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In surgery for acute type A aortic dissection, controlling bleeding from the posterior wall of the proximal anastomosis is particularly challenging. To address this, we use the "reversed turn-up technique." For the reinforcement of the proximal aortic stump, Teflon felt strips were placed inside and outside the suture line with 4-0 polypropylene continuous transverse mattress sutures, and BioGlue was applied to the false lumen.
View Article and Find Full Text PDFEarly midlife ovarian removal is associated with lower posterior hippocampal function.
Alzheimers Dement
December 2024
Department of Psychology, University of Toronto, Toronto, Ontario, Canada.
Introduction: Women with early bilateral salpingo-oophorectomy (BSO) have greater Alzheimer's disease (AD) risk than women with spontaneous menopause (SM), but the pathway toward this risk is understudied. Considering associative memory deficits may reflect early signs of AD, we studied how BSO affected brain activity underlying associative memory.
Methods: Early midlife women with BSO (with and without 17β-estradiol therapy [ET]) and age-matched controls (AMCs) with intact ovaries completed a face-name associative memory task during functional magnetic resonance imaging.
Special Techniques of Liver Transplantation: Living Donor Liver Transplantation With Right Posterior Sector Grafts and Extended Left Lobe Grafts; Auxiliary Partial Orthotopic Liver Transplantation, and Dual-Lobe Liver Transplantation.
J Clin Exp Hepatol
November 2024
The Institute of Liver Disease & Transplantation, Dr. Rela Institute & Medical Centre, Bharath Institute of Higher Education & Research, Chennai, India.
Living donor liver transplantation (LDLT) constitutes the majority of liver transplants in Asia and advancements in LDLT techniques have expanded the range of allografts beyond the commonly used right lobe (RL). This review provides a comprehensive overview of lesser-known variants of allografts and LDLT techniques which include right posterior sector grafts (RPSG), dual-lobe liver transplantation (DLLT), auxiliary partial orthotopic liver transplantation (APOLT), and extended left lobe grafts with caudate concentrating on the technical aspects, current evidence, and their indications in contemporary practice of LDLT. The first section examines RPSGs, focussing on their potential as an alternative to RL grafts particularly when volumetric studies indicate a larger right posterior sector in donors.
View Article and Find Full Text PDFEmergence of Omicron FN.1 a descendent of BQ.1.1 in Botswana.
Virus Evol
November 2024
Research Laboratory, Botswana Harvard Health Partnership, Gaborone, Private Bag BO 320, Botswana.
Botswana, like the rest of the world, has been significantly impacted by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In December 2022, we detected a monophyletic cluster of genomes comprising a sublineage of the Omicron variant of concern (VOC) designated as B.1.
View Article and Find Full Text PDFRepair of Acute Grade-3 Combined Posterolateral Corner Avulsion Injuries Using a Transosseous Krackow Suture Pull-Through Technique.
JBJS Essent Surg Tech
December 2024
Department of Orthopaedics and Rehabilitation, Yale School of Medicine, New Haven, Connecticut.
Background: For complete disruption of the posterolateral corner (PLC) structures, operative treatment is most commonly advocated, as nonoperative treatment has higher rates of persistent lateral laxity and posttraumatic arthritis. Some studies have shown that acute direct repair results in revision rates upwards of 37% to 40% compared with 6% to 9% for initial reconstruction. In a recent study assessing the outcomes of acute repair of PLC avulsion injuries with 2 to 7 years of follow-up, patients with adequate tissue were shown to have a much lower failure rate than previously documented.
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