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Risk of Infection after Deep Brain Stimulation Surgery with Externalization and Local-Field Potential Recordings: Twelve-Year Experience from a Single Institution.

Stereotact Funct Neurosurg 2021 May 10:1-9. Epub 2021 May 10.

Department of Neurology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany.

Introduction: Deep brain stimulation (DBS) has been an established surgical procedure in the field of functional neurosurgery for many years. The experimental electrophysiological method of local field potential (LFP) recordings in postsurgically externalized patients has made substantial contributions to the better understanding of pathophysiologies underlying movement disorders. As interest in LFP recordings for the development of improved stimulation strategies increases, this study's aim was to provide evidence concerning safety of this research method, in a major DBS center. Read More

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Application of lectin immobilized on polyHIPE monoliths for bioprocess monitoring of glycosylated proteins.

J Chromatogr B Analyt Technol Biomed Life Sci 2021 Apr 25;1174:122731. Epub 2021 Apr 25.

Faculty for Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, 1000 Ljubljana, Slovenia; COBIK, Tovarniška 26, 5270 Ajdovščina, Slovenia. Electronic address:

In-process monitoring of glycosylated protein concentration becomes very important with the introduction of perfusion bioprocesses. Affinity chromatography based on lectins allows selective monitoring when carbohydrates are accessible on the protein surface. In this work, we immobilized lectin on polyHIPE type of monoliths and implemented it for bioprocess monitoring. Read More

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Transgenerational effects of selenomethionine on behaviour, social cognition, and the expression of genes in the serotonergic pathway in zebrafish.

Environ Pollut 2021 May 3;286:117289. Epub 2021 May 3.

Department of Biology, University of Saskatchewan, 112 Science Place, Saskatoon, Saskatchewan, S7N 5E2, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Drive, Saskatoon, Saskatchewan, S7N 5B3, Canada.

Elevated levels of contaminants from human activities have become a major threat to animals, particularly within aquatic ecosystems. Selenium (Se) is a naturally occurring element with a narrow range of safe intake, but excessive Se has toxicological effects, as it can bioaccumulate and cause cognitive and behavioural impairments. In this study, we investigated whether exposure to Se would also have transgenerational effects, causing changes in the descendants of exposed individuals. Read More

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Non-parameningeal head and neck rhabdomyosarcoma in children, adolescents, and young adults: Experience of the European paediatric Soft tissue sarcoma Study Group (EpSSG) - RMS2005 study.

Eur J Cancer 2021 May 7;151:84-93. Epub 2021 May 7.

SIREDO Oncology Center, Institute Curie, PSL University, Paris, France.

Background/objectives: The primary aim of this study was to analyse and evaluate the impact of different local treatments on the pattern of relapse in children with primary head and neck non-parameningeal (HNnPM) rhabdomyosarcoma (RMS), treated in the European paediatric Soft tissue sarcoma Study Group (EpSSG) RMS2005 study. The secondary aim was to assess whether current risk stratification is valid for this specific site.

Design/methods: This study includes all patients with localised HNnPM RMS enrolled in the RMS2005 study between 2005 and 2016. Read More

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Growth of the branch pulmonary arteries after employing 'Shunt-only' strategy for neonates with pulmonary atresia or stenosis.

Semin Thorac Cardiovasc Surg 2021 May 7. Epub 2021 May 7.

Division of Pediatric Cardiac Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea. Electronic address:

We sought to determine the impact of juxtaductal stenosis (JDS) on branch pulmonary artery (PA) growth after systemic-to-pulmonary shunt (SPS) placement without pulmonary arterioplasty (i.e. the 'shunt-only' strategy). Read More

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Pre-sewn Multi-branched Aortic Graft and 3D-Printing Guidance for Crawford Extent II or III Thoracoabdominal Aortic Aneurysm Repair.

Semin Thorac Cardiovasc Surg 2021 May 7. Epub 2021 May 7.

Department of Thoracic and Cardiovascular Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea. Electronic address:

Reconstruction of the visceral and segmental arteries is a challenging part of open surgical repair of extensive thoracoabdominal aortic aneurysm (TAAA). For more efficient reconstruction of these branching vessels, a technique of using pre-hand-sewn multi-branched aortic graft (octopod technique) has been adopted with the aid of 3D-printing-guidance in latest cases. The octopod graft has been employed for the extent II or III TAAA repair, in which the commercially available two 4-branched aortic grafts were interconnected before surgery. Read More

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eGFR Variability in Patients with Heart Failure and Chronic Kidney Disease.

J Card Fail 2021 May 7. Epub 2021 May 7.

Department of Medicine, Duke University School of Medicine, Durham, NC; Duke Clinical Research Institute, Durham, NC. Electronic address:

Background: Greater variability in estimated glomerular filtration rate (eGFR) is associated with higher mortality in patients with chronic kidney disease (CKD). Heart failure (HF) is common in CKD and may increase variability through changes in hemodynamic and volume regulation. We sought to determine if patients with versus without HF have higher kidney function variability in CKD, and to define the association with mortality. Read More

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Catheter directed haemorrhoidal de-arterialization technique for the management of haemorrhoids: a meta-analysis of the clinical evidence.

J Vasc Interv Radiol 2021 May 7. Epub 2021 May 7.

Vascular and oncologic Interventional Radiology Department at the Hôpital Européen Georges Pompidou, France.

Purpose: To assess the efficacy and safety of catheter directed hemorrhoidal de-arterialization (CDHD) technique for the management of hemorrhoidal bleeding METHODS: A systematic review and meta-analysis of the Pubmed, Cochrane and Scopus databases was conducted according to the PRISMA guidelines. Clinical studies reporting on CDHD for rectal bleeding were analyzed.

Results: 14 studies (N=362) were identified. Read More

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Public availability of results of ClinicalTrials.gov-registered expanded access studies.

Br J Clin Pharmacol 2021 May 10. Epub 2021 May 10.

Laboratory of Bacteriophages, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Rudolfa Weigla Str. 12, 53-114, Wrocław, Poland.

Aim: Expanded access is the use of investigational treatments outside of clinical trials. Results of expanded access studies provide insights into how investigational treatments work in real-world settings. The objective of this study was to evaluate public availability of results of expanded access studies. Read More

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Real-world treatment patterns and outcomes of abemaciclib for the treatment of HR+, HER2- metastatic breast cancer.

Curr Med Res Opin 2021 May 10. Epub 2021 May 10.

Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.

This retrospective observational study described baseline characteristics, real-world treatment patterns, and outcomes among patients with metastatic breast cancer treated with abemaciclib in the United States. De-identified electronic health record-derived data were used to describe patients who began abemaciclib treatment on or after 30 June 2016 and ≥4 months before data cutoff (31 December 2018). Real-world response (rwR) and real-world progression assessments were abstracted from clinical documentation. Read More

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Neonatal amygdala volumes and the development of self-regulation from early infancy to toddlerhood.

Neuropsychology 2021 Mar;35(3):285-299

FinnBrain Birth Cohort Study, Turku Brain and Mind Center, Department of Clinical Medicine, University of Turku.

At the broadest level, self-regulation (SR) refers to a range of separate, but interrelated, processes (e.g., working memory, inhibition, and emotion regulation) central for the regulation of cognition, emotion, and behavior that contribute to a plethora of health and mental health outcomes. Read More

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Posterior cranial vault distraction osteogenesis in the immunocompromised patient.

Childs Nerv Syst 2021 May 10. Epub 2021 May 10.

Division of Plastic Surgery, Department of Surgery, Children's of Mississippi, University of Mississippi Medical Center, 2500 State Street, Jackson, MS, 39216, USA.

Purpose: The treatment of patients with multisuture craniosynostosis is complex and patient-dependent. Cranial distraction osteogenesis is a relatively new procedure for treatment of these patients, with its use increasing in many centers. With this increased use comes an expanding range of indications. Read More

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Clinical target volume design of postoperative intensity-modulated radiotherapy for major salivary gland tumours according to surgical principles: an innovative method.

J Cancer Res Clin Oncol 2021 May 10. Epub 2021 May 10.

Department of Radiation Oncology, Sun Yat-Sen University Cancer Center; State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China.

Background: No international consensus has been reached regarding delineation of postoperative intensity-modulated radiotherapy (PO-IMRT) clinical target volumes (CTV) for major salivary gland carcinoma (SGC). The purpose of this article was to report our experience according to surgical principles.

Methods: Between June 2010 and June 2018, 54 consecutive patients were enrolled. Read More

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Anatomic single vs. double-bundle ACL reconstruction: a randomized clinical trial-Part 1: clinical outcomes.

Knee Surg Sports Traumatol Arthrosc 2021 May 10. Epub 2021 May 10.

Department of Orthopaedic Surgery, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.

Purpose: Compare clinical outcomes of anatomic single-bundle (SB) to anatomic double-bundle (DB) anterior cruciate ligament reconstruction (ACLR). It was hypothesized that anatomic DB ACLR would result in better International Knee Documentation Committee Subjective Knee Form (IKDC-SKF) scores and reduced anterior and rotatory laxity compared to SB ACLR.

Methods: Active individuals between 14 and 50 years of age that presented within 12 months of injury were eligible to participate. Read More

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Developing a real-world evidence base for prescribed cannabis in the United Kingdom: preliminary findings from Project Twenty21.

Psychopharmacology (Berl) 2021 May 10. Epub 2021 May 10.

Imperial College London, Burlington Danes Building, Hammersmith Hospital, Du Cane Rd, White City, London, W12 0NN, UK.

The therapeutic potential of medical cannabis to treat a variety of conditions is becoming increasingly recognised. Globally, a large number of countries have now legalised cannabis for medical uses and a substantial number of patients are able to access their medications. Yet in the UK, where medical cannabis was legalised in November 2018, only a handful of NHS prescriptions have been written, meaning that most patients are unable to access the medicine. Read More

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Falciform Ligament Flap as Crural Buttress in Laparoscopic Hiatal Hernia Repair.

J Laparoendosc Adv Surg Tech A 2021 May 7. Epub 2021 May 7.

Division of General and Foregut Surgery, Department of Biomedical Sciences for Health, IRCCS Policlinico San Donato, University of Milan, San Donato Milanese (Milano), Italy.

Crural repair is an essential technical component in laparoscopic hiatal hernia surgery, but there is no consensus regarding the optimal method to prevent postoperative hernia recurrence. Mesh augmentation, especially with permanent materials, is associated with dysphagia and complications. The rotational falciform ligament flap (FLF) has been reported to be effective in reinforcing standard suture closure of the hiatus. Read More

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Learning curve of TaTME for rectal cancer is associated with local recurrence; results from a multicentre external audit.

Colorectal Dis 2021 May 9. Epub 2021 May 9.

Department of Surgery, Amsterdam UMC, Vrije Universiteit Amsterdam, Cancer Centre Amsterdam, The Netherlands.

Background: Transanal total mesorectal excision has been suggested as a potential solution for the resection of challenging mid and low rectal cancer. This relatively complex procedure has been implemented in many centres over the last years, despite absence of long-term safety data. Recently, concern has risen because of an increase in local recurrence in the implementation phase. Read More

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Disease-free Interval Is Associated with Oncologic Outcomes in Patients with Recurrent Gastrointestinal Stromal Tumor.

Ann Surg Oncol 2021 May 9. Epub 2021 May 9.

Division of Surgical Oncology, The Knight Cancer Institute at Oregon Health and Science University, Portland, OR, USA.

Background: Gastrointestinal stromal tumors (GIST) commonly recur following curative-intent resection. Patients with recurrent GIST display heterogeneous outcomes with limited prognostic tools. We investigated factors associated with post-recurrence survival (PRS) and progression-free survival (PFS). Read More

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False negative point-of-care urine pregnancy tests in an urban academic emergency department: a retrospective cohort study.

J Am Coll Emerg Physicians Open 2021 Jun 1;2(3):e12427. Epub 2021 May 1.

Department of Emergency Medicine Boston Medical Center Boston University School of Medicine Boston Massachusetts USA.

Study Objective: To determine the prevalence of false negative point-of-care (POC) urine pregnancy tests among emergency department (ED) patients and among those with abdominal pain or vaginal bleeding.

Methods: We identified all female patients, ages 14-50 years without prior hysterectomy who had a negative POC urine pregnancy test (beta subunit of human chorionic gonadotropin [β-hCG]) performed by trained clinical staff in the ED between September 1, 2017 and December 31, 2018, as well as a subgroup we defined a priori as "high risk" for early pregnancy complications based on a triage chief complaint (text) of abdominal pain or vaginal bleeding. We identified those with a positive urine β-hCG, serum β-hCG >5 mIU/mL, or a diagnosis of pregnancy within 3 months of the initial ED visit (index visit). Read More

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Venous Thromboembolism Therapy with Apixaban in Daily Care Patients: Results from the Dresden NOAC Registry.

TH Open 2021 Apr 4;5(2):e143-e151. Epub 2021 May 4.

Thrombosis Research Unit, Division Hematology, Department of Medicine I, University Hospital "Carl Gustav Carus" Dresden, Dresden, Germany.

The effectiveness and safety of venous thromboembolism (VTE) treatment with apixaban, demonstrated in phase III trials, need to be confirmed in daily care. Using data from the prospective, noninterventional cross-indication we evaluated rates of VTE recurrence and bleeding complications during apixaban treatment of VTE patients. For this analysis, we only included patients with acute VTE who started apixaban within 14 days after diagnosis and who were enrolled within these 14 days. Read More

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Evaluation of Monocarboxylate Transporter 4 ( Expression and Its Prognostic Significance in Circulating Tumor Cells From Patients With Early Stage Non-Small-Cell Lung Cancer.

Front Cell Dev Biol 2021 22;9:641978. Epub 2021 Apr 22.

Analysis of Circulating Tumor Cells, Lab of Analytical Chemistry, Department of Chemistry, University of Athens, Athens, Greece.

Monocarboxylate transporter 4 ( can influence the amount of lactate in the tumor microenvironment and further control cancer cell proliferation, migration, and angiogenesis. We investigated for the first time the expression of in circulating tumor cells (CTCs) derived from early stage Non-Small Cell Lung Cancer patients (NSCLC) and whether this is associated with clinical outcome. A highly sensitive RT-qPCR assay for quantification of transcripts was developed and validated and applied to study expression in CTC isolated through the Parsortix size-dependent microfluidic device from 53 and 9 peripheral blood (PB) samples of NSCLC patients at baseline (pre-surgery) and at relapse, respectively, as well as the "background noise" was evaluated using peripheral blood samples from 10 healthy donors (HD) in exactly the same way as patients. Read More

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Case Report: A Rare Presentation of NSAID-Induced Secondary Membranous Nephropathy in a Pediatric Patient.

Front Pediatr 2021 23;9:670575. Epub 2021 Apr 23.

Department of Pathology, Norton Children's and University of Louisville, Louisville, KY, United States.

Membranous nephropathy (MN) is a common cause of nephrotic syndrome in adults, but it is responsible for <5% of nephrotic syndrome cases in children. MN has primary and secondary forms. Secondary MN is caused by viral infections, autoimmune diseases like lupus, or drugs. Read More

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Clinicopathological Characteristics and Prognostic Prediction in Pseudomyxoma Peritonei Originating From Mucinous Ovarian Cancer.

Front Oncol 2021 21;11:641053. Epub 2021 Apr 21.

Department of Myxoma, Aerospace Center Hospital, Beijing, China.

Objective: To describe the clinicopathological characteristics of mucinous ovarian cancer (MOC)-derived pseudomyxoma peritonei (PMP) and identify prognostic factors for survival.

Methods: Medical records from patients with MOC-derived PMP who attended the Aerospace Center Hospital, Beijing, China between January 2009, and December 2019 were retrospectively reviewed. Survival analysis was performed with the Kaplan-Meier method, the log-rank test, and a Cox proportional hazards model. Read More

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Scurvy: A Case Report and Literature Review.

Cureus 2021 Apr 5;13(4):e14312. Epub 2021 Apr 5.

Internal Medicine, Wright Patterson Air Force Base/Wright State University, Dayton, USA.

Scurvy is a rare disease which can manifest in a variety of presentations. Classically, scurvy is associated with poor dentition and bleeding diatheses. Rarely, scurvy can present with life-threatening hemodynamical instability. Read More

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Inpatient vs Outpatient Evaluation of Suspected Paraneoplastic Cerebellar Degeneration.

Neurol Clin Pract 2021 Feb;11(1):33-42

Division of Movement Disorders (NW, MA, DH), Rush University Medical Center, and Biostatistical Analysis (YL, BO), Department of Neurological Sciences, Rush University Medical Center, Chicago, IL.

Objective: To determine the differences in outcomes of adult patients with ataxia initially evaluated for paraneoplastic cerebellar degeneration (PCD) as inpatients or outpatients.

Methods: In this retrospective cohort analysis, diagnosis, workup, and functional outcomes based on the change in the modified Rankin Scale (mRS) score were compared between patients with ataxia who underwent workup for PCD initially as inpatients vs outpatients between March 2011 and June 2018 at Rush University Medical Center.

Results: There were 78 patients included in the analysis; 59% were women, and the average age at symptom onset was 57 ± 19. Read More

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February 2021

Prolonged Ventilatory Support for Patients Recovering From Guillain-Barré Syndrome.

Neurol Clin Pract 2021 Feb;11(1):18-24

Lane Fox Respiratory Service (MCFC, NH, MRBE, JES, RSH), St. Thomas' Hospital, Guy's & St. Thomas' NHS (Foundation) Trust; Lane Fox Clinical Respiratory Physiology Research Centre (MCFC, PBM, NH), St. Thomas' Hospital, Guy's & St. Thomas' NHS (Foundation) Trust; Department of Neurology (MRBE, JES), St. Thomas' Hospital, Guy's & St. Thomas' NHS (Foundation) Trust, London, United Kingdom; and Central Clinical School (MCFC), Faculty of Medicine and Health, University of Sydney, Australia.

Background: Recovery from Guillain-Barré syndrome (GBS) may be protracted, and patients may need prolonged ventilatory support. We present clinical data from a tertiary referral weaning center managing patients with GBS requiring prolonged ventilatory support.

Methods: A retrospective review of patients managed in a 34-bed specialist ventilator weaning facility in London, United Kingdom, between 2006 and 2017. Read More

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February 2021

Surgical Repair Using Suture Bridge Technique for Triceps Tendon Avulsion.

Case Rep Orthop 2021 20;2021:5572126. Epub 2021 Apr 20.

Department of Orthopaedic Surgery, National Hospital Organization Tokyo Medical Center, 2-5-1, Higashigaoka, Meguro-ku, Tokyo, Japan.

Triceps tendon avulsion is a rarely occurring tendinous injury. Various surgical procedures, such as repair using sutures through the transosseous tunnel or suture anchors, have been reported for treating triceps tendon avulsion. However, standard surgical treatment has not yet been established. Read More

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Conversion surgery in patients with pancreatic cancer and peritoneal metastasis.

J Gastrointest Oncol 2021 Apr;12(Suppl 1):S110-S117

Department of Surgery, Kansai Medical University, Hirakata, Japan.

Background: Pancreatic ductal adenocarcinoma (PDAC) is among the most lethal malignancies globally. We have previously explored the clinical efficacy of intraperitoneal (IP) paclitaxel therapy for patients with PDAC and peritoneal metastasis, which demonstrated favourable response and disease control rates. However, the real implications of conversion surgery after IP therapy remain unclear. Read More

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Surgery with hyperthermic intraperitoneal chemotherapy after response to induction chemotherapy in patients with peritoneal metastasis of gastric cancer.

J Gastrointest Oncol 2021 Apr;12(Suppl 1):S47-S56

Department of Pharmacology, Faculty of Medicine, Biruni University, Istanbul, Turkey.

Background: Gastric cancer (GC) with peritoneal metastases (PM) has a dismal prognosis and to date only a few management options have been reported. Of those, cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) after induction bidirectional intraperitoneal and systemic chemotherapy (BIPSC) appear as a promising treatment option for these patients. Outcome data including safety and efficacy of CRS with radical Gastrectomy and HIPEC after response to combination of laparoscopic HIPEC (LHIPEC) with BIPSC as an induction therapy in patients with PM of GC was evaluated in this retrospective observational study. Read More

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Impact of Early Versus Late Antiretroviral Treatment Initiation on Naive T Lymphocytes in HIV-1-Infected Children and Adolescents - The-ANRS-EP59-CLEAC Study.

Front Immunol 2021 22;12:662894. Epub 2021 Apr 22.

Unité Epidémiologie et Physiopathologie des Virus Oncogènes, Institut Pasteur, Paris, France.

Background: The early initiation of antiretroviral therapy (ART) in HIV-1-infected infants reduces mortality and prevents early CD4 T-cell loss. However, the impact of early ART on the immune system has not been thoroughly investigated in children over five years of age or adolescents. Here, we describe the levels of naive CD4 and CD8 T lymphocytes (CD4/CD8T), reflecting the quality of immune reconstitution, as a function of the timing of ART initiation (early (<6 months) versus late (≥24 months of age)). Read More

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