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The role of direct air capture in achieving climate-neutral aviation.
Nat Commun
January 2025
Institute for Environmental Decisions, ETH Zürich, 8092, Zürich, Switzerland.
Growing demand for air travel and limited scalable solutions pose significant challenges to the mitigation of aviation's climate change impact. Direct air capture (DAC) may gain prominence due to its versatile applications for either carbon removal (direct air carbon capture and storage, DACCS) or synthetic fuel production (direct air carbon capture and utilization, DACCU). Through a comprehensive and time-dynamic techno-economic assessment, we explore the conditions for synthetic fuels from DACCU to become cost-competitive with an emit-and-remove strategy based on DACCS under 2050 CO and climate neutrality targets.
View Article and Find Full Text PDFBest Practice Recommendations for Endometrial Intraepithelial Neoplasia/Atypical Endometrial Hyperplasia in the Military Health System.
Mil Med
January 2025
Division of Gynecologic Oncology, Department of Gynecologic Surgery & Obstetrics, Tripler Army Medical Center, Honolulu, HI 96859, USA.
Endometrial cancer is the most prevalent gynecologic cancer in the United States and has rising incidence and mortality. Endometrial intraepithelial neoplasia or atypical endometrial hyperplasia (EIN-AEH), a precancerous neoplasm, is surgically managed with hysterectomy in patients who have completed childbearing because of risk of progression to cancer. Concurrent endometrial carcinoma (EC) is also present on hysterectomy specimens in up to 50% of cases.
View Article and Find Full Text PDFStress Analysis in Conversion Total Hip Arthroplasty: A Finite Element Analysis on Stem Length and Distal Screw Hole.
J Clin Med
December 2024
Department of Orthopaedic Surgery, Institute of Medicine, University of Tsukuba, 1-1-1, Tennodai, Tsukuba 305-8575, Ibaraki, Japan.
Proximal femoral fractures are particularly common in older adults, and cases requiring conversion to total hip arthroplasty may arise because of treatment failure or osteoarthritis. Fractures around the distal screw removal holes can be problematic. This study aimed to analyze the relationship between stem length and femoral stress distribution to determine the optimal stem length.
View Article and Find Full Text PDFDeferred Lateral Margin Control in the Surgical Treatment of Genital Paget's Disease and Lentiginous Vulvar Melanoma.
J Clin Med
December 2024
Department of Dermatology, University Clinic of Navarra, 28027 Madrid, Spain.
Some skin tumors can extend beyond their clinical appearance. This presents an additional challenge, especially when the affected area is the genital region, which is more difficult for both the patient and the physician to access and monitor due to its location and anatomical characteristics. The treatment of these lesions is complex, and literature postulates Mohs surgery as the best therapeutic option.
View Article and Find Full Text PDFLeft atrial appendage cannulation for left ventricular unloading in a patient with ventricular thrombus on extracorporeal life support.
J Cardiothorac Surg
January 2025
Department of Internal Medicine II, Division of Cardiology, Medical University of Vienna, Vienna, Austria.
Background: Left ventricular unloading is needed in patients on extracorporeal life support (ECLS) with severely impaired left ventricular contractility to avoid stasis and pulmonary congestion, and to promote LV recovery. The presence of thrombi in the LV precludes the use of conventional active unloading methods such as transaortic microaxial pumps or apical LV vents. We describe placement of a vent cannula via the left atrial appendage (LAA) as a useful bailout option.
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