2,749 results match your criteria Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences[Journal]


[Advances in epigenetic markers of dermatomyositis/polymyositis].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):374-377

Department of Rheumatology and Clinical Immunology, Xiangya Hospital, Central South University, Changsha 410008, China.

Idiopathic inflammatory myopathy (IIM) is a rare group of autoimmune diseases, characterized by chronic muscle weakness, muscle fatigue and infiltration of single nuclear cells in skeletal muscle. Its subtypes include dermatomyositis (DM), polymyositis (PM), inclusion body myositis (IBM) and immune-mediated necrotizing myositis (IMNM), and the most common subtypes are DM and PM. PM is an autoimmune disease mainly manifested by muscle damage. Read More

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April 2019
5 Reads

[Organ-sparing partial orchietectomy for testicular adenomatoid tumor].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):365-368

Department of Urology, Peking University Third Hospital, Beijing 100191, China.

Objective: The incidence of testicular tumors is relatively low which are mainly malignant, so the main way to treat testicular tumors is radical testicular resection. Testicular adenomatoid tumor is a rare testicular benign tumor, but is easily misdiagnosed as malignant tumors with removal of organs. This article aims to explore the clinical features of testicular adenomatoid tumor and its treatment. Read More

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April 2019
1 Read

[Spinal cord stimulation for non-reconstructable chronic ritical limb ischemiae: a case report].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):362-364

Department of Vascular Surgery, Peking University People's Hospital, Beijing 100044, China.

Peripheral arterial disease is one part of systematic atherosclerosis, becoming a heavy burden of human health. Patients in end stage of peripheral arterial disease manifest critical limb ischemia with severe rest pain and refractory ulcer. Surgical revascularization is the optimal option for patients with critical limb ischemia to avoid major amputation and improve quality of life. Read More

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April 2019
2 Reads

[Exogenous lipoid pneumonia induced by long-term usage of compound menthol nasal drops: a case report].

Authors:
M Lu W Yan X Zhu H Zhu

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):359-361

Department of Respiratory Medicine, Peking University Third Hospital, Beijing 100191, China.

Here we reported a case of exogenous lipoid pneumonia from Peking University Third Hospital. A 62-year-old male presented with chronic cough and expectoration for 8 years, without chest pain, hemoptysis or short of breath. He was an ex-smoker. Read More

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[Lamotrigine induced hypersensitivity syndrome in children: a case report].

Authors:
N X Cui X P Zhu

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):356-358

Department of Neonatology, Children's Hospital of Soochow University, Suzhou 215025, Jiangsu, China.

Drug induced hypersensitivity syndrome (DIHS) is often manifested as severe systemic drug trans-reactions characterized by acute and extensive skin lesions (mostly measles-like rash), fever, enlargement of lymph nodes, multiple organ involvement (hepatitis, nephritis, and pneumonia), eosinophilia and mononucleosis,within 2-6 weeks of the application of sensitizing drugs. In the early stage of the lesion, macular papules or erythema multiforme were common, and in severe cases, exfoliative dermatitis, Stevens-Johnson syndrome and toxic epidermal necrolysis were also common. Most of them developed after taking allergic drugs for 2-6 weeks (average: 3 weeks). Read More

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April 2019
2 Reads

[Establishment and preliminary clinical evaluation of edentulous custom trays designed and fabricated by chair-side CAD and 3D printing systems].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):349-355

Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To design and fabricate edentulous custom trays by chair-side computer-aided design and 3-dimensional printing (CAD/3DP) system of independent research and development and to evaluate their clinical effects based on prosthodontists'satisfaction using the visual analogue scale (VAS).

Methods: Fifteen edentulous patients were randomly recruited by three prosthodontists who passed the unified operating process training. The custom trays for each patient were fabricated using both chair-side CAD/3DP system of independent development and manually conventional method, and the final impressions were made by silicone impression materials (light body). Read More

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[Comparison of the minimally invasive treatments of laparoscopic and endosopic for common bile duct stones after gastrojejunostomy].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):345-348

Department of General Surgery, Peking University Third Hospital, Beijing 100191, China.

Objective: To explore the feasibility and to compare the merits and demerits of laparoscopic and endoscopic approach in removing common bile duct stones in patients with gastrojejunostomy after gastrectomy.

Methods: Between January 2012 and December 2016, 25 patients with common bile duct stones after gastrojejunostomy received laparoscopic or endoscopic treatment in our centers. They were divided into laparoscopic group and endoscopic group based on treatment approaches for common bile duct stones, including 15 patients in laparoscopic group and 10 in endoscopic group. Read More

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April 2019
1 Read

[Clinical evaluation of the effect of reducing tooth sensitivity caused by in office bleaching using dentifrices].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):340-344

Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To evaluate tooth sensitivity and the efficacy of in-office bleaching when using different desensitizing dentifrices.

Methods: In total, 150 eligible individuals were recruited and randomized by computer-generated block randomization into three groups: potassium nitrate group (n=50), stannous fluoride group (n=50), and placebo group (n=50). Participants were asked to use a desensitizing dentifrice and toothbrush 15 days prior to and after the in-office bleaching. Read More

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April 2019
1 Read

[Evaluation of one-piece polyetheretherketone removable partial denture fabricated by computer-aided design and computer-aided manufacturing].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):335-339

Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To explore a novel method for fabricating removable partial dentures (RPDs) using polyetheretherketone (PEEK) by computer-aided design and computer-aided manufacturing (CAD/CAM) technologies and to evaluate their fits for different assemblies in vitro.

Methods: A standard stone cast of mandibular partial edentulous jaw was scanned using a lab scanner. Based on the digital cast, thirteen complete RPDs were designed combing dental CAD software and reverse engineering software, and then fabricated using PEEK by milling machine. Read More

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[Study of bond strength of one-piece glass fiber posts-and-cores with flared root canals in vitro].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):327-334

Department of Geriatric Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To compare the effects of three kinds of fiber posts (CAD/CAM one-piece glass fiber posts-and-cores, prefabricated glass fiber post and light curing plastic fiber post) on the bond strength of flared root canals and the effect of thermal cycling on their bond strength.

Methods: Extracted human single teeth (n=90) were endodontically treated and randomly divided into three groups (n = 30 each). The teeth were restored by three kinds of fiber post: CAD/CAM one-piece glass fiber posts-and-cores, prefabricated posts and light curing plastic fiber post. Read More

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April 2019
1 Read

[Effect of intrapulpal pressure on the bonding strength of resin cement to dentin].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):321-326

Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To evaluate the effect of intrapulpal pressure simulation on the micro-tensile bond strength (μTBS) of resin cement to dentin.

Methods: Thirty extracted human third molars were selected. Occlusal enamel was removed to expose dentine surface and teeth with residual dentin thickness of 0. Read More

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April 2019
1 Read

[Effect of different plasma treated zirconia on the adhensive behaviour of human gingival fibroblasts].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):315-320

Department of Prosthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China.

Objective: To evaluate the effect of different cold atmospheric plasma (CAP) treatment on the surface chemical and physical properties of zirconia and adhensive behaviour of human gingival fibroblasts (HGFs) cultured on zirconia disks.

Methods: The zirconia disks were divided into four groups and treated using helium, argon and mixture of argon and oxygen cold atmospheric plasma for 90 s or left untreated. The surface morphology, wettability and chemical elements were analyzed right after treatment. Read More

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April 2019
2 Reads

[Early effects of low-level long-term occupational chromate exposure on workers'health].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):307-314

Department of Occupational and Environmental Health, Peking University School of Public Health, Beijing 100191, China.

Objective: To explore the effects of low-level long-term occupational exposure to chromate on the health of workers, and the potential biomarkers of early health effects in terms of lung function, immune toxicity and genetic damage.

Methods: A total of 22 chromate contact workers and 44 non-chromate contact workers from an electroplating enterprise with long-term occupational environment monitoring in line with the national standards in Inner Mongolia were investigated. The questionnaire survey was conducted to collect the basic situation, the history of smoking, drinking, diseases and so on. Read More

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April 2019
2 Reads

[Characteristics analysis of early gastric cancer under white light endoscopy].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):302-306

Department of gastroenterology,Peking University Third Hospital, Beijing 100191, China.

Objective: To investigate endoscopic features of early gastric cancer and clinical features of the patients, which may be helpful to provide reasonable suggestions for physicians to diagnose early gastric cancer during preliminary screening of white light gastroscopy.

Methods: A total of 271 patients who received endoscopic submucosal dissection or surgical operation to confirm early gastric cancer in Peking University Third Hospital from Apr. 2009 to Jun. Read More

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April 2019
2 Reads

[Comprehensive treatment of adrenal cortical carcinoma].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):298-301

Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China.

Objective: To investigate the clinical and functional imaging examination and pathological features of adrenocortical carcinoma (ACC), in order to improve the diagnosis and treatment of ACC.

Methods: The clinical data of 93 patients with ACC were analyzed retrospectively. Their diagnosis, surgical treatment and follow-up of mitotane medcine therapy were madeaccording to clinical manifestations, adrenal endocrine function determination, imaging examination characteristics and histopathological results. Read More

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April 2019
2 Reads

[Comparison of effectiveness and complications between two different methods of augmentation cystoplasty].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):293-297

Department of Urology, Peking University People's Hospital, Beijing 100044, China.

Objective: To compare the effectiveness and complications between enterocystoplasty and small intestinal submucosa (SIS) cystoplasty through follow-ups of patients with augmentation cystoplasty in Peking University People's Hospital, offering alternative approach for future treatment.

Methods: In this study, retrospective analyses were carried out in 10 patients who underwent enterocystoplasty or SIS cystoplasty in Peking University People's Hospital from November 2011 to December 2016. Clinical data were collected including medical history, surgical procedures, laboratory examinations and complications. Read More

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April 2019
1 Read

[Clinical features of long segmental myelopathy caused by nitrous oxide].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):288-292

Department of Neurology, China-Japan Friendship Hospital, Beijing 100029, China.

Objective: To analyze the clinical and imaging characteristics of the neurological damage caused by nitrous oxide (NO).

Methods: In the study, 10 patients in the Department of Neurology of China-Japan Friendship Hospital from October 2015 to February 2018 were retrospectively analyzed for the demographic data, the history of inhaled NO, clinical features, blood examination, electrophysiological examination, spinal magnetic resonance imaging and therapeutic efficacy profiles.

Results: The male-to-female ratio was 4:6 and it presented with an age-of-onset 17-26 years [the average age: (20. Read More

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April 2019
1 Read

[Comparison of the effects of two cephalomedullary nails (zimmer natural nail and proximal femoral nail antirotation) in treatment of elderly intertrochan teric fractures].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):283-287

Department of Traumatology and Orthopaedics, Peking University People's Hospital, Beijing 100044, China.

Objective: To explore the effect of cephalomedullary nails for elderly intertrochanteric fractures: proximal femoral nail antirotation (PFNA) versus zimmer natural nail (ZNN) to provide the data support for clinical perioperative management.

Methods: A retrospective study was used to analyze the clinical data of elderly intertrochanteric fractures cases which were treated with PFNA or ZNN fixation from May 2016 to May 2017. In the study, 59 cases were followed up completely, in which 28 cases accepted PFNA, and the other 31 cases accepted ZNN. Read More

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April 2019
1 Read

[Application of the modified internal fixation method of minimally invasive percutaneous plate osteosynthesis in treatment of proximal humeral fracture].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):277-282

Department of Orthopedics, Peking University Third Hospital, Beijing 100191, China.

Objective: To study the clinical outcomes and characteristics of fracture healing of a modified internal fixation method, which was implemented by placing four and two screws respectively at the proximal and distal end of the locking plate in the minimally invasive percutaneous plate osteosynthesis (MIPPO) for patients with proximal humeral fractures.

Methods: Patients in Peking University Third Hospital from February 2010 to December 2016 were brought into this retrospective study. Based on different operation methods, they were divided into minimally invasive (MI) group and non-minimally invasive (non-MI) group, and the patients in MI group were performed with the modified internal fixation. Read More

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April 2019
1 Read

[Correlation analysis between rotator cuff tear and the superior migration of humeral head].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):273-276

Department of Trauma and Orthopaedics, Peking University People's Hospital, Peking University Trauma Medicine Center, Beijing 100044, China.

Objective: To evaluate the association between rotator cuff tear and the proximal migration of humeral head.

Methods: In this research, we retrospectively selected 30 patients with unilateral rotator cuff tear in Peking University People's Hospital from September 2015 to May 2016, who received magnetic resonance imaging (MRI) and X-ray of the painful shoulder before enrollment in this study, the duration between the two examinations was no longer than 1 week, and also there was no past history of surgery in the selected shoulders. There was no other exclusion criteria. Read More

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April 2019
1 Read

[Early functional recovery of direct anterior approach versus anterolateral approach for total hip arthroplasty].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):268-272

Department of Orthopaedics, Guizhou Provincial people's Hospital, Guiyang 550002, China.

Objective: To evaluate the early clinical effects of direct anterior approach (DAA) versus anterolateral approach (ALA) on safety and functional recovery following total hip arthroplasty (THA).

Methods: Between January 2015 and May 2016, a randomized clinical trial was performed at Guizhou Provincial People's Hospital. A total of 50 patients who underwent THA were allocated for either the DAA (n=25) or ALA (n=25). Read More

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April 2019
2 Reads

[Application of ultrasound-guided hip joint drug injection in the postoperative rehabilitation of arthroscopie repair of acetabular labral tears].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):265-267

Institute of Sports Medicine, Peking University Third Hospital, Beijing 100191, China.

Objective: To explore the clinical application of ultrasound-guided hip joint drug injection in the postoperative rehabilitation of arthroscopie repair of acetabular labral tears.

Methods: This research retrospectively analyzed a total of 38 hips from 36 patients (2 of them were bilateral) whose imaging examination showed acetabular labral well healed but the rehabilitating training was limited due to hip pain after arthroscopie repair of acetabular labral tears in our hospital between June 2015 and May 2017. All the patients underwent ultrasound-guided hip joint drug injection treatment. Read More

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[Cerebral blood flow measurements in patients with comorbid hypertension and depression using 3D arterial spin labeling].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):260-264

Department of Radiology, Peking University Third Hospital, Beijing 100191, China.

Objective: To evaluate cerebral blood flow (CBF) in patients with comorbid hypertension in depression using 3D pseudocontinuous arterial spin labeling (3D pcASL) and to compare the differences of CBF values in depression, hypertension, and comorbid hypertension between depression and healthy control groups. To investigate the correlation between CBF values and degrees of depression.

Methods: Sixteen patients with depression (depression group, 3 males and 13 females, age range of 42-72 years old), sixteen patients with hypertension (hypertension group, 3 males and 13 females, age range of 41-68 years old), sixteen patients with comorbid hypertension in depression (comorbidity group, 3 males and 13 females, age range of 45-74 years old), and sixteen healthy controls (control group, 3 males and 13 females, age range of 43-68 years old) were recruited. Read More

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April 2019
1 Read

[Mechanical thrombectomy treatment in patients with acute ischemic stroke: a single center study].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):256-259

Department of Interventional Radiologyand Vascular Surgery, Peking University Third Hospital, Beijing 100191, China.

Objective: To evaluate the effectiveness and safety of mechanical thrombectomy treatment in patients with acute ischemic stroke (AIS),and to explore influential factors of the clinical prognosis preliminarily.

Methods: Clinical data of 26 patients with acute cerebral arterial occlusion treated with mechanical thrombectomy in Peking University Third Hospital from January 2014 to June 2017 were retrospectively collected. The immediate effects of the 26 patients in this group after mechanical thrombectomy treatment were analyzed,The national institutes of health stroke scale (NIHSS) scores between preoperative and at discharge of the 26 patients in this group were compared,and modified Rankin scale (mRS) scores of 90 days post operation were analyzed to assess the prognosis of the 26 patients in this group. Read More

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April 2019
1 Read

[Association of sleep overlap syndrome with type 2 diabetes in a cross-sectional study].

Authors:
J Xie F Li

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):252-255

Department of Respiratory and Critical Medicine, Beijing Anzhen Hospital, Capital Medical University, Beijing 100023, China.

Objective: Growing evidence indicates that both chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea (OSA) may be related to increased risk of developing metabolic disorder and cardiovascular diseases. However, the association of sleep overlap syndrome (combination of COPD and OSA) with type 2 diabetes is unclear. The aim of this study was to investigate the association between overlap syndrome and prevalence of type 2 diabetes. Read More

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April 2019
2 Reads

[Pulsed electromagnetic fields stimulating osteogenic differentiation and maturation involves primary cilia-PI3K/AKT pathway].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):245-251

Institute of Orthopaedics, Lanzhou General Hospital of PLA, Lanzhou 730050, China.

Objective: To study whether the pulsed electromagnetic fields (PEMF) promoting rat osteoblasts differentiation and maturation is related to the primary cilia and PI3K/AKT pathway, and to explore the mechanism of PEMF in promoting bone differentiation.

Methods: Enzyme solution was used to obtain newborn SD rats calvarial osteoblasts (ROB), which were processed by 50 Hz 0.6 mT PEMF for 0, 0. Read More

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April 2019
2 Reads

[Effects of sulfur dioxide on alveolar macrophage apoptosis in acute lung injury induced by limb ischemia/reperfusion in rats].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):239-244

Department of Orthopedics, Beijing Chao-yang Hospital, Capital Medical University, Beijing 100020, China.

Objective: To investigate the effect of sulfur dioxide (SO) on the apoptosis of alveolar macrophage (AM) in lung protection of limb ischemia/reperfusion (I/R) induced acute lung injury (ALI), and to find a new target for the control of inflammatory response.

Methods: Twenty pathogen-free, adult male Sprague-Dawley (SD) rats (180-230 g) were used in this study. Five rats were to be used for limb ischemia/reperfusion, then plasma was extracted as ischemia/reperfusion serum stimulation. Read More

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April 2019
1 Read

[Rasfonin inhibits proliferation and migration of osteosarcoma 143B cells].

Authors:
F Zhang T Q Yan W Guo

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):234-238

Musculoskeletal Tumor Center, Peking University People's Hospital, Beijing 100044, China.

Objective: To investigate the effects of rasfonin, a fungal secondary metabolite, on the proliferation and migration of osteosarcoma 143B cells.

Methods: 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt (MTS) assay was performed to examine 143B cell viability following treatment of rasfonin. Using dimethyl sulfoxide (DMSO) group as control, cell viability was detected when 143B cells were treated with rasfonin (3 μmol/L and 6 μmol/L) for 12 or 24 hours. Read More

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April 2019
1 Read

[CMTM2 is involved in spermiogenesis in mice].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):228-293

Department of Urology, Peking University People's Hospital, Beijing 100044, China.

Objective: To investigate whether CKLF-like MARVEL transmembrane domain-containing protein 2 (CMTM2) is involved in spermatogenesis in mice. CMTM2 is highly expressed in testis, and could possibly be a potential spermagogenesis specific gene.

Methods: CMTM2-deficient mouse model was generated. Read More

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April 2019
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[Role of miR-106b-5p in the regulation of gene profiles in endothelial cells].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):221-227

Department of Cardiology, Peking University People's Hospital; Beijing Key Laboratory of Early Prediction and Intervention of Acute Myocardial Infarction; Center for Cardiovascular Translational Research, Peking University People's Hospital, Beijing 100044, China.

Objective: To evaluate the role of miR-106b-5p in the regulation of gene expression in endothelial cells.

Methods: The Taqman low-density microRNAs (miRNAs) array (TLDA) was used to identify miRNA expression profiles in the plasma of patients with atherosclerotic coronary artery disease (CAD) (atherosclerosis group, n=9) and individuals without atherosclerotic CAD disease (control group, n=9). A weighed and undirected miRNA coexpression network analysis was performed to investigate the interactions among miRNAs in the two groups. Read More

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April 2019
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[Novel tumor metastasis suppressorgene LASS2/TMSG1 S248A mutant promotes invasion of prostate cancer cells through increasing ATP6V0C expression].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):210-220

Department of Pathology, Peking University School of Basic Medical Sciences, Beijing 100191, China.

Objective: LASS2/TMSG1 gene is a novel tumor metastasis suppressor gene cloned from human prostate cancer cell line PC-3M in 1999 by Department of Pathology,Peking University of Basic Medical Sciences. It was found out that protein encoded by LASS2/TMSG1 could interact with the c subunit of vacuolar-ATPase (ATP6V0C). In this study, we explored the effect of LASS2/TMSG1 and its mutants on proliferation, migration and invasion of human prostate cancer cells and its molecular mechanism. Read More

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[Temporary acceleration of interstitial fluid drainage in excited brain region induced by movement].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):206-209

School of Psychology, Capital Normal University, Beijing 100048, China.

Objective: To investigate the changes of brain interstitial fluid (ISF) induced by movement.

Methods: Twenty mature male Sprague-Dawley rats were randomly divided into two groups: control group and movement group. Electrophysiological neurons in caudate nuclear of additional five rats were recorded and the differences analyzed between under anesthesia and by movement. Read More

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April 2019
1 Read

[Chronic phosphoproteomic in temporal lobe epilepsy mouse models induced by kainic acid].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Apr;51(2):197-205

Institute of Systems Biomedicine, State Key Laboratory of Natural and Biomimetic Drugs, Department of Molecular and Cellular Pharmacology, Peking University School of Pharmaceutical Science, Beijing 100191, China.

Objective: To investigate functions of proteins and signaling pathways involved in epileptogenesis during the chronic stage of temporal lobe epilepsy in mouse models.

Methods: Kainic acid-induced temporal lobe epilepsy models were conducted, when reaching stage 4 using racine scale, the mice of experimental group were supposed to be successfully established. Pentobarbital sodium was injected to stop epileptic seizure in case of death. Read More

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April 2019
3 Reads

[All levels miniplate fixation and a modified hybrid fixation method in expansive open-door cervical laminoplasty: a retrospective comparative study].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):187-193

Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China.

Objective: To retrospectively compare the effect of alternate levels miniplate and anchor fixation with the effect of all levels miniplate fixation in expansive open-door cervical laminoplasty (EOLP).

Methods: Patients with cervical spondylosis underwent EOLP between July 2015 and June 2016 were included in the study. There were 33 patients in the alternate group (alternate levels miniplate and anchor fixation group) and 34 patients in the miniplate group (all levels miniplate fixation group). Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.032DOI Listing
February 2019
1 Read

[Accuracy analysis of computer assisted navigation for condylectomy via intraoral approach].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):182-186

Department of Oral and Maxilloficial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To explore the application accuracy of virtual preoperative plan after the condylectomy via intraoral approach under computer assisted surgical navigation, and to analyze the location and cause of the surgical deviation to provide reference for the surgical procedure improvement in the future.

Methods: In the study, 23 cases with condylar hypertrophy (11 with condylar osteochondroma and 12 with condylar benign hypertrophy) in Department of Oral and Maxilloficial Surgery, Peking University School and Hospital of Atomatology from December 2012 to December 2016 were treated by condylectomy via intraoral approach under computer assisted surgical navigation. The patient's spiral CT data were imported into ProPlan software before operation, and the affected mandibular ramus was reconstructed three-dimensionally. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.031DOI Listing
February 2019
1 Read

[C5-6 nerve root block technique for postoperative analgesia of shoulder arthroscope: a randomized controlled trial].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):177-181

Department of Anesthesiology, Peking University Third Hospital, Beijing 100191, China.

Objective: To compare the effects of ultrasound-guided interscalene brachial plexus block and C5-6 nerve root block for analgesia after shoulder arthroscopy.

Methods: In the study, 40 patients of ASA I-II were selected for elective general anesthesia to repair the shoulder ligament rupture in Peking University Third Hospital, who were randomly divided into two groups, respectively for the intermuscular brachial plexus block group (group I) and C5-6 nerve root block group (group C), n=20. The forty patients underwent ultrasound-guided brachial plexus block or C5-6 nerve root block before general anesthesia. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.030DOI Listing
February 2019

[Comparative treatment analysis of upper gastroenterology submucosal tumors originating from muscularis propria layer: submucosal tunneling endoscopic resection versus endoscopic submucosal excavation].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):171-176

Department of Gastroenterology, Peking University Third Hospital, Beijing 100191, China.

Objective: To evaluate the efficacy and safety of submucosal tunneling endoscopic resection (STER) and endoscopic submucosal excavation (ESE) for upper gastroenterology submucosal tumors (SMT) originating from the muscularis propria (MP) layer.

Methods: Clinicopathological and endoscopic data of 42 cases with upper gastroenterology tumors originating from the MP layer who were treated with STER (n=28) or ESE (n=14) between April 2013 and December 2016 in Peking University Third Hospital were retrospectively analyzed. The treatment and complications of the two groups were compared. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.029DOI Listing
February 2019

[A retrospective analysis of 12 cases of primary thyroid lymphoma].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):165-170

Department of Endocrinology, Peking University First Hospital, Beijing 100034, China.

Objective: To discuss the clinical characteristics and diagnostic and therapeutic considerations of primary thyroid lymphoma (PTL) by reviewing PTL cases.

Methods: In the study, 12 cases of PTL diagnosed and treated in Peking University First Hospital between January 1995 and September 2015 were identified. The clinical characteristics, management experiences and prognosis of these cases were reviewed retrospectively. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.028DOI Listing
February 2019
2 Reads

[Predictive value of umbilical arterial cord pH on complications during hospitalization in neonates after cesarean section].

Authors:
J Bao J Liu Y Qu D L Mu

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):159-164

Department of Anesthesiology, Peking University First Hospital,Beijing 100034, China.

Objective: To analyze the predictive value of umbilical arterial cord pH on complications of hospitalized neonates after cesarean section.

Methods: This was a retrospective cohort study and carried out in Peking University First Hospital from January 1, 2017 to June 30, 2017. Neonates who were delivered by cesarean section were enrolled. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.027DOI Listing
February 2019
1 Read

[In vitro fertilization-embryo transfer affects focal adhension kinase signaling pathway in early placenta].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):151-158

Department of Obstetrics and Gynecology, Beijing Jishuitan Hospital, Beijing 100035, China.

Objective: To study the effects of in vitro fertilization-embryo transfer (IVF-ET) technique on gene expression of focal adhension kinase (FAK) signaling pathway in early placental trophoblast cells, and to explore the effects of IVF-ET technology on the development and function of early placenta.

Methods: We collected 7-8 weeks of gestation placenta tissue as a study group by ultrasound guided reduction of fetal from double embryo transfer under IVF-ET technology. In the control group, placenta tissues were obtained from the spontaneous abortion of natural pregnancy twin 7-8 weeks. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.026DOI Listing
February 2019
1 Read

[Expression of hUTP14a in non-small cell lung cancer].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):145-150

Department of Cell Biology, Peking University School of Basic Medical Sciences, Beijing 100191, China.

Objective: Human U three protein 14a (hUTP14a) facilitates tumorigenesis through promoting p53 and Rb degradation as well as enhancing c-Myc oncogenic activity. Moreover, hUTP14a expression is up-regulated in human hepatocellular cancer and colorectal cancer tissues. In this study, the expression of hUTP14a in non-small cell lung cancer (NSCLC) tissues was evaluated by immunohistochemistry staining (IHC). Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.025DOI Listing
February 2019
2 Reads

[Oral hygiene maintenance of locator attachments implant overdentures in edentulous population: A longitudinal study].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):136-144

Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To investigate the oral hygiene status of edentulous patients with locator attachments implant overdentures (IOD) and to analyze the relationship among daily hygiene behavior, oral hygiene status and peri-implant diseases.

Methods: Edentulous patients who received IOD treatment with locator attachments from January 2012 to May 2016 were recruited. Clinical and radiographic examinations were conducted to assess the peri-implant tissue status. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.024DOI Listing
February 2019
1 Read

[Construction and mechanical analysis of finite element model for bending property of controlled memory wire nickel-titanium rotary file].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):131-135

Second Clinical Division, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100101, China.

Objective: To construct a model for a controlled memory (CM) nickel-titanium (NiTi) file and another M-wire NiTi file with the same geometry by using finite element analysis. To evaluate the flexibility of a CM NiTi file by using three dimensional finite element method and to compare its mechanical responses with that M-wire NiTi.

Methods: Based on the reverse engineering, the 21 mm long, 25#/08 taper Hyflex NT NiTi file and Hyflex CM NiTi file were fixed by the cantilever bending model at a distance of 9. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.023DOI Listing
February 2019
3 Reads

[A method to evaluate the trueness of reconstructed dental models made with photo-curing 3D printing technologies].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):120-130

Center for Digital Dentistry, Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To establish a reference dental model used for trueness evaluation of photo-curing 3D printing technologies, and to establish a multidimensional trueness evaluation method based on the reference dental model, which can yield a comprehensive objective evaluating result.

Methods: A reference dental model was designed in 3ds Max 2018 software based on the statistical analysis results of dental crown and dental arch of Chinese population in previous studies in order to simulate a real dental model. This model was made up of several simple geometrical configurations, which could minimize the manual measurement error. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.022DOI Listing
February 2019

[Establishment of a 3D printing system for bone tissue engineering scaffold fabrication and the evaluation of its controllability over macro and micro structure precision].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):115-119

Center for Digital Dentistry, Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To establish a 3D printing system for bone tissue engineering scaffold fabrication based on the principle of fused deposition modeling, and to evaluate the controllability over macro and micro structure precision of polylactide (PLA) and polycaprolactone (PCL) scaffolds.

Methods: The system was composed of the elements mixture-I bioprinter and its supporting slicing software which generated printing control code in the G code file format. With a diameter of 0. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.021DOI Listing
February 2019
1 Read

[Effects of CAD/CAM titanium alloy surface treatment and resin luting on shear bond strength and durability of composite resin].

Authors:
B B Li P DI

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):111-114

Department of Oral Implantology, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To assess the effects of two surface treatments (sandblasting, SB; microarc-oxidation, MAO) and resin luting on shear bond strength and durability of titanium alloy and composite-resin.

Methods: Eighty cylindrical titanium alloy specimens with a diameter of 10 mm and a height of 8 mm were fabricated by CAD/CAM technique. It was divided into two groups according to the surface treatment methods: sandblasting with Al2O3 particles on the surface of SB specimens; porous ceramic film structure could be formed on the surface of MAO specimens after surface treatment. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.020DOI Listing
February 2019

[Preliminary clinical application of complete digital workflow of design and manufacturing occlusal splint for sleep bruxism].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):105-110

Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To establish a complete workflow of digital design and manufacturing occlusal splint for sleep bruxism, which can be preliminarily applied in clinical use, thus observe the clinical efficacy.

Methods: Twenty-four patients with sleep bruxism were recruited in the study and randomly divided into two groups by using random number tables. Digital-occlusal-splint (experimental group) treatment plan and traditional-occlusal-splint (control-group) treatment plan were carried out for each group, respectively. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.019DOI Listing
February 2019
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[Effects of loupes and microscope on laminate veneer preparation].

Authors:
Y J Ge X Q Liu

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):100-104

Department of Prosthodontics, Faculty of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To assess and compare the effects of loupes and microscope on laminate veneer preparation of the first practitioner from the aspects of efficiency, quality and accuracy of preparation, and preference.

Methods: Twenty young prosthodontists from the Department of Prosthodontics, Peking University School and Hospital of Stomatology were recruited into this study, which was prospective, single blind, self-control trials. The participants had no experience of using dental magnification devices. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.018DOI Listing
February 2019

[Analysis of edge morphology of partial veneers made by different processing techniques and materials].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):93-99

Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China.

Objective: To compare the edge morphology of partial veneers made of different materials by slurry molding, heat-pressed and computer aided design/computer aided manufacturing (CAD/CAM) techniques.

Methods: Thirty premolars with smooth surface and intact enamel were selected and randomly divided into five groups, 6 specimens for each group. Group A were made from feldspathic porcelain (Noritake®) by slurry molding, while Group B were made from lithium disilicate glass ceramic (IPS E. Read More

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http://www.cnki.net/kcms/doi/10.19723/j.issn.1671-167X.2019.
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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.017DOI Listing
February 2019
1 Read

[Orthodonticorthognathic treatment stability in skeletal class III malocclusion patients].

Beijing Da Xue Xue Bao Yi Xue Ban 2019 Feb;51(1):86-92

Department of Orthodontics, Peking University School and Hospital of Stomatology, Beijing 100081, China.

Objective: To investigate stability of skeletal hard tissues, dental hard tissues and soft tissues after orthodonticorthognathic treatment in a long term. This study reviewed longitudinal changes in orthodontic-orthognathic patients of skeletal class III malocculsion, using lateral cephalometric radiographs in 3-12 years after treatment in comparison to treatment finishing.

Methods: Twenty-two patients with skeletal Class III malocclusion following orthodontic-orthognathic surgery in Peking University School and Hospital of Stomatology from January 1, 2000 to January 1, 2009 were observed. Read More

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http://dx.doi.org/10.19723/j.issn.1671-167X.2019.01.016DOI Listing
February 2019