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The emergency surgical infection management checklist of hospitalized patients with coronavirus disease 2019 (COVID-19) in Zhejiang, China.

Ann Palliat Med 2021 Mar;10(3):3452-3458

Department of Rehabilitation Medicine, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China.

The novel coronavirus disease 2019 (COVID-19) epidemic broke out in 2019, it is highly contagious, and the infection rate among medical staff is high. The management of infection prevention and control during emergency surgery of COVID-19 patients has been outlined and the perioperative infection management checklist for emergency surgery of COVID-19 patients has been summarized and validated. There have been 13 emergency surgeries performed on COVID-19 patients at our hospital during this time. Read More

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Towards quantitative and intuitive percutaneous tumor puncture via augmented virtual reality.

Comput Med Imaging Graph 2021 Mar 31;90:101905. Epub 2021 Mar 31.

Department of Computer Science and Engineering, Chinese University of Hong Kong, Hong Kong SAR, China.

In recent years, the radiofrequency ablation (RFA) therapy has become a widely accepted minimal invasive treatment for liver tumor patients. However, it is challenging for doctors to precisely and efficiently perform the percutaneous tumor punctures under free-breathing conditions. This is because the traditional RFA is based on the 2D CT Image information, the missing spatial and dynamic information is dependent on surgeons' experience. Read More

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C5 Palsy after Cervical Laminectomy: Natural History in a 10 year Series.

Spine J 2021 Apr 10. Epub 2021 Apr 10.

Department of Neurosurgery, Loyola University Medical Center, 2160 S 1(st) Ave Maywood, IL, USA. Electronic address:

Background Context: C5 palsy is a well-known complication following cervical laminectomy, however the cause of this complication remains elusive, with many studies providing conflicting reports on prognosis and the impact of specific risk factors.

Purpose: To describe the natural history of and risk factors for C5 palsy after first time cervical laminectomy involving C4 and/or C5, in a large series with a high rate of postoperative palsy.

Study Design/setting: This is a retrospective case series. Read More

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[Application and value of excimer laser ablation in the treatment of lower limb atherosclerotic obliterans].

Zhonghua Yi Xue Za Zhi 2021 Apr;101(14):1026-1030

Department of Vascular Surgery, Zhongshan Hospital, Fudan University,Shanghai 200032, China.

To evaluate the results of excimer laser ablation (ELA) in the treatment of lower limb atherosclerotic obliterans (ASO). From June 2019 to March 2020, patients who underwent ELA combined with drug-coated balloon (DCB) for lower limb atherosclerotic obliterans (ASO) were enrolled. Demographics, lesion characteristics, procedure-related outcomes and complications were collected and analyzed. Read More

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[Inflammatory bowel disease during pregnancy].

Rev Med Chil 2020 Dec;148(12):1806-1812

Programa Enfermedad Inflamatoria Intestinal, Departamento de Gastroenterología, Clínica Las Condes, Santiago, Chile.

The prevalence of inflammatory bowel disease (IBD) increased in the last decades. Thus, the number of pregnant women with the condition is also increasing. Given that active disease itself is the main risk factor for complications during pregnancy, it is necessary to achieve a complete remission before planning a pregnancy. Read More

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December 2020

An artificial intelligence platform for the diagnosis and surgical planning of strabismus using corneal light-reflection photos.

Ann Transl Med 2021 Mar;9(5):374

State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.

Background: Strabismus affects approximately 0.8-6.8% of the world's population and can lead to abnormal visual function. Read More

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Augmented Reality Navigation for Stereoscopic Laparoscopic Anatomical Hepatectomy of Primary Liver Cancer: Preliminary Experience.

Front Oncol 2021 25;11:663236. Epub 2021 Mar 25.

Department of Hepatobiliary Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China.

Background: Accurate determination of intrahepatic anatomy remains challenging for laparoscopic anatomical hepatectomy (LAH). Laparoscopic augmented reality navigation (LARN) is expected to facilitate LAH of primary liver cancer (PLC) by identifying the exact location of tumors and vessels. The study was to evaluate the safety and effectiveness of our independently developed LARN system in LAH of PLC. Read More

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The long-term outcome of CyberKnife-based stereotactic radiotherapy for central skull base meningiomas: a single-center experience.

Neurosurg Rev 2021 Apr 10. Epub 2021 Apr 10.

Department of Neurosurgery, Japanese Red Cross Medical Center, 4-1-22 Hiroo, Shibuya City, Tokyo, 150-8935, Japan.

Few reports exist demonstrating the effects of stereotactic radiotherapy (SRT) on the central skull base meningiomas (CSMs). A retrospective analysis of 113 patients was performed. The median age was 62 (IQR 50-72) years old, and 78 patients (69%) were female. Read More

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In vitro toxicity of indoor and outdoor PM from residential wood combustion.

Sci Total Environ 2021 Mar 29;782:146820. Epub 2021 Mar 29.

Centre for Environmental and Marine Studies, Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal.

Particulate matter with aerodynamic diameter < 10 μm (PM) was collected, indoors and outdoors, when wood burning appliances (open fireplace and woodstove) were in operation. The PM ecotoxicity was assessed with the Vibrio fischeri bioluminescence inhibition assay, while the cytotoxicity was evaluated by the WST-8 and lactate dehydrogenase (LDH) release assays using A549 cells. Extracts of PM-bound polycyclic aromatic hydrocarbons (PAH) were tested for their mutagenicity through the TA98 and TA100 Ames test. Read More

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Reconstruction of mutilating hand injuries by microsurgical free tissue transfers from the foot.

Injury 2021 Mar 30. Epub 2021 Mar 30.

Emot Hospital 1418 sok No14 Kahramanlar. İzmir, Turkey.

Introduction: The aim of this study is to present various hand reconstruction methods and provide technical notes regarding the treatment of mutilating hand injuries using free-tissue transfers from the foot and to investigate whether these transfers provide patients with a usable hand or not.

Patients And Methods: Ninety patients with mutilating hand injuries were included in the study. A total of 101 procedures were performed. Read More

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Magnetic field-influenced nanofiltration membrane blended by CS-EDTA-mGO as multi-functionality green modifier to enhance nanofiltration performance, efficient removal of NaSO/Pb/RR195 and cyclic wastewater treatment.

Chemosphere 2021 Mar 28;278:130379. Epub 2021 Mar 28.

Department of Environmental Planning and Management, School of Environment, College of Engineering, University of Tehran, Tehran, Iran.

Magnetic field-influenced nanofiltration membrane by blending of magnetic multi-functionality green modifier (CS-EDTA-mGO) was fabricated via phase inversion processes. Migration of superparamagnetic nanofiller particles into top surface layer of M6 NF-membrane by incorporating external magnetic-filed during casting phase improved the hydrophilicity, as well as formation of large pores diameters (1.57 nm) which offer a flux enhancement (84. Read More

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Application of preoperative computed tomographic lymphography for precise sentinel lymph node biopsy in breast cancer patients.

BMC Surg 2021 Apr 9;21(1):187. Epub 2021 Apr 9.

Department of Breast Surgery, General Surgery, Qilu Hospital of Shandong University, Wenhua Xi Road No. 107, Jinan, 250012, Shandong, China.

Background: In light of the extensive application of sentinel lymph node biopsy (SLNB) in clinically node-negative breast cancer patients and the recently investigated failure of SLNB after lumpectomy, it has become important to explore methods for preoperative mapping of sentinel lymph nodes (SLNs) and their lymphatics to direct precise SLNB and improve the identification rate of SLNs.

Methods: Twenty-seven patients with suspected breast cancer based on the results of the clinical examination and imaging were enrolled in the study. Computed tomographic lymphography (CTLG) followed by CT three-dimensional reconstruction was performed to determine the localization of SLNs and lymphatics on the body surface preoperatively. Read More

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Application value of combination therapy of periodontal curettage and root planing on moderate-to-severe chronic periodontitis in patients with type 2 diabetes.

Head Face Med 2021 Apr 8;17(1):12. Epub 2021 Apr 8.

Department of Periodontology, Qingdao Stomatological Hospital, No. 17 Dexian Road, Qingdao, 266000, Shandong, China.

Background: Our study attempted to observe the value of periodontal curettage combined with root planing on moderate-to-severe chronic periodontitis in patients with type 2 diabetes.

Methods: There involved 72 patients with type 2 diabetes mellitus complicated with moderate-to-severe chronic periodontitis who were diagnosed and treated in our hospital from January 2019 to December 2019. The patients enrolled were randomly divided into four groups using a computer-generated table: root planing and periodontal curettage combined group (n = 18), root planning group (n = 18), periodontal curettage group (n = 18) and cleansing group (n = 18). Read More

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Outcomes of surgery for giant hepatic hemangioma.

BMC Surg 2021 Apr 8;21(1):186. Epub 2021 Apr 8.

Hepatopancreatobiliary Surgery, Department of general surgery, The First Affiliated Hospital of Anhui Medical University, 120# Wanshui Road, Hefei, 230022, Anhui, China.

Background: The surgical indications for liver hemangioma remain unclear.

Methods: Data from 152 patients with hepatic hemangioma who underwent hepatectomy between 2004 and 2019 were retrospectively reviewed. We analyzed characteristics including tumor size, surgical parameters, and variables associated with Kasabach-Merritt syndrome and compared the outcomes of laparoscopic and open hepatectomy. Read More

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[Clinical effect evaluation of anodized and sandblasted, large-grit, acid-etched implants within 10 years: a meta-analysis].

Zhonghua Kou Qiang Yi Xue Za Zhi 2021 Apr;56(4):362-369

Department of Stomatology, The First Affiliated Hospital of Dalian Medical University, Dalian 116011, China.

To systematically evaluate the clinical effect of anodized implants and sandblasted, large-grit, acid-etched (SLA) implants in the recent 10 years, so as to provide a reference for the selection and evaluation of implants. The data from Pubmed, Cochrane Library, Embase, CNKI, and Wanfang Data database from January 2010 to April 2020 were searched, to find clinical studies on anodized and SLA implants. According to the inclusion and exclusion criteria, literature was strictly screened, and data was extracted. Read More

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Application field of VOXEL-MAN Tempo 3D virtual reality simulator in surgery of pars petrosa of temporal bone

Orv Hetil 2021 04 7;162(16):623-628. Epub 2021 Apr 7.

1 Szegedi Tudományegyetem, Általános Orvostudományi Kar, Fül-Orr-Gégészeti és Fej-Nyaksebészeti Klinika, Szeged, Tisza Lajos krt. 111., 6725.

Összefoglaló. Bevezetés: Az emberi sziklacsont a halántékcsont része, egy bonyolult és változatos anatómiai felépítésű struktúra. A sziklacsonton végzett beavatkozások előtt, a műtéti szövődmények megelőzése érdekében, nélkülözhetetlen a biztos anatómiai tudás és kézügyesség megszerzése, valamint az egyes műtéti lépések és mozdulatok begyakorlása. Read More

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Optimization on Medical Material Distribution Management System Based on Artificial Intelligence Robot.

J Healthc Eng 2021 19;2021:5511299. Epub 2021 Mar 19.

Department of Nursing, General Hospital of Taiyuan Iron & Steel Co.,Ltd., Taiyuan 030008, China.

The traditional medical material distribution management system method lacks systematic analysis and relies heavily on the subjective judgment of related operators, and it is easy to cause excessive or too little inventory, which leads to waste of operating costs. This study builds on a dedicated system for artificial intelligence robot logistics and aims to minimize the total cost of medical material ordering and distribution operations. In addition, in view of the constraints in the actual operation of the hospital, this study uses the concept of the spatiotemporal network to construct an ordering and distribution scheduling planning model of single material certainty, single material stochastic, and multiple material stochastic to help the hospital make optimal decisions and ensure the hospital's continuous and stable operation. Read More

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Intelligent long-term performance analysis in power electronics systems.

Sci Rep 2021 Apr 6;11(1):7557. Epub 2021 Apr 6.

Department of Energy Technology, Aalborg University, 9220, Aalborg, Denmark.

This paper proposes a long-term performance indicator for power electronic converters based on their reliability. The converter reliability is represented by the proposed constant lifetime curves, which have been developed using Artificial Neural Network (ANN) under different operating conditions. Unlike the state-of-the-art theoretical reliability modeling approaches, which employ detailed electro-thermal characteristics and lifetime models of converter components, the proposed method provides a nonparametric surrogate model of the converter based on limited non-linear data from theoretical reliability analysis. Read More

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Pelvimetric and Nutritional Factors Predicting Surgical Difficulty in Laparoscopic Resection for Rectal Cancer Following Preoperative Chemoradiotherapy.

World J Surg 2021 Apr 5. Epub 2021 Apr 5.

Colorectal Surgery Department, Fujian Medical University Union Hospital, 29 Xinquan Road, Fuzhou, PR China.

Aim: Laparoscopic total mesorectal excision (LaTME) following preoperative chemoradiotherapy (PCRT) in locally advanced rectal cancer (LARC) is technically demanding. The present study is intended to evaluate predictive factors of surgical difficulty of LaTME following PCRT by using pelvimetric and nutritional factors.

Method: Consecutive LARC patients receiving LaTME after PCRT were included. Read More

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The application of virtual segmentectomy based on three-dimensional computed tomography and angiography in thoracoscopic segmentectomy for children and infants.

Pediatr Surg Int 2021 Apr 5. Epub 2021 Apr 5.

Department of Thoracic Surgery, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China.

Objectives: The purpose of this retrospective study was to evaluate the efficacy of anatomic thoracoscopic pulmonary segmentectomy performed based on three-dimensional computed tomography bronchography and angiography (3D-CTBA) in children and infants.

Methods: Totally, 22 patients received thoracoscopic segmentectomy from October 2019 to February 2020. The procedures were performed virtual segmentectomy based on 3D-CTBA. Read More

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