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Endovascular Preparation With Innovative Custom-Made Stent-Graft Before Kidney Transplantation: The Solution for Patients With Hostile Iliac Calcification.
Transpl Int
January 2025
Service d'Urologie et de Transplantation, Hospices Civils de Lyon, Lyon, France.
The increasing age of patients with end-stage renal disease raises the issue of hostile arterial access for transplantation, with technical difficulties associated with clamping and suturing the iliac artery. Some of these patients - who theoretically represent those who would benefit the most from transplantation in terms of mortality - are contraindicated because of anatomical and medical issues. In this context, a specific endovascular device called EndoPreKiT (Endovascular Preparation for Kidney Transplantation) has been designed, enabling arterial access for transplantation via a mini-invasive procedure.
View Article and Find Full Text PDFLeft ventricular rigor mortis interferes with postmortem aortic root geometry.
Int J Legal Med
January 2025
Institute for Legal Medicine, Faculty of Medicine, Saarland University, Campus Homburg, Building 49.1, Kirrberger Straße 100, 66421, Homburg/Saar, Germany.
Aortic regurgitation is a common valve disease and can be caused by delineated findings such as fenestrations or hardly discernible alterations of the aortic root geometry. Therefore, aortic regurgitation can be a challenging diagnosis during an autopsy. Cardiac surgeons, however, are confronted with comparable problems during surgery and have developed a refined knowledge of the anatomy of the aortic root including its geometry.
View Article and Find Full Text PDFEvaluating the efficacy of hinged elbow braces in reducing passive valgus forces after ulnar collateral ligament injury-A biomechanical study.
J Exp Orthop
January 2025
Department of Orthopaedic and Trauma Surgery, University Medical Centre Mannheim, Medical Faculty Mannheim University of Heidelberg Mannheim Germany.
Purpose: This biomechanical study aimed to investigate the effectiveness of a hinged elbow orthosis in reducing passive valgus forces following medial ulnar collateral ligament (UCL) injuries of the elbow joint. The hypothesis tested was that a hinged elbow orthosis reduces these passive valgus forces.
Methods: Eight fresh frozen cadaveric elbow specimens were prepared and tested under three scenarios: intact ligaments, simulated UCL rupture and application of a hinged elbow brace after simulated UCL rupture.
Characterization of Tip Fold-Over Using Fluoroscopy and Intracochlear Pressure in Cadaver Specimens.
Laryngoscope
December 2024
Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado, U.S.A.
Article Synopsis
- The study examined cochlear implant array malpositioning, particularly focusing on a specific issue called tip fold-over, which can impair speech perception and cause other complications.
- Researchers conducted experiments using cadaveric human heads to measure intracochlear pressure and observe the mechanics of tip fold-over events during the insertion of electrodes.
- Three distinct types of tip fold-overs were identified, with significant pressure changes linked to electrode twisting; this recognition could improve surgical techniques and monitoring during cochlear implant procedures.
[Biomechanical study of load-bearing stability of Pilon fracture fixed with external fixator].
Zhongguo Gu Shang
December 2024
Department of Traumatic Joints, The Third Affiliated Hospital of Beijing University of Chinese Medicine, Beijing 100102, China.
Objective: To explore weight-bearing stability of Pilon fracture fixed by external fixator.
Methods: Six ankle bone models (right side) and 4 pairs (8 ankle cadaver specimens) were selected. Pilon fracture model was prepared by using the preset osteotomy line based on Ruedi Allgower Pilon fracture type.
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