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A new hernia blocking system to prevent recurrent lumbar disc herniation: surgical technique, intraoperative findings and six-months post-operative outcomes.
Eur Spine J
December 2024
Neurosurgery Department, Hospital Universitario de Canarias, La Laguna, Santa Cruz de Tenerife, Spain.
Purpose: The aim of this study was to evaluate the performance and safety of a new hernia blocking system (HBS), implanted after a limited discectomy, to prevent recurrence of lumbar disc herniation.
Methods: Prospective, multicenter (6 sites), cohort clinical investigation. Thirty patients with a postero-lateral disc herniation between L4-S1 and large annular defects (> 6 mm wide), who underwent a limited discectomy and were treated with a new HBS (DISC care, NEOS Surgery S.
Delayed percutaneous intradiscal hydrogel herniation causing neurological injury after minor trauma: illustrative case.
J Neurosurg Case Lessons
December 2024
Section of Neurosurgery, Department of Clinical Neurosciences, University of Calgary, Calgary, Alberta, Canada.
Background: Percutaneous intradiscal hydrogel injection has been used to treat low-back pain (LBP) due to degenerative disc disease with or without mild radicular pain. Complications from these procedures are underreported. In this case lesson, the authors present a rare case of a patient with herniated intradiscal hydrogel following a minor trauma leading to neurological injury.
View Article and Find Full Text PDFPeri-procedural outcome according to VARC-3 criteria and hemodynamic mid-term follow-up after Valve-in-valve transcatheter aortic valve replacement for failed aortic bioprosthesis.
Cardiovasc Interv Ther
November 2024
Department of Cardiac Surgery, National Cerebral and Cardiovascular Center, Osaka, Japan.
Despite the widespread adoption of valve-in-valve transcatheter aortic valve replacement (VIV-TAVR) for patients with failed aortic bioprosthesis, the effectiveness of this treatment for Japanese patients frequently associated with small aortic annuli remains unclear. From December-2011 to October-2022, 41 consecutive patients undergoing VIV-TAVR were enrolled in this study. The endpoints were technical success, device success, early safety, and two-year mortality according to implanted surgical valve size (small valves: 19-mm and 21-mm, n = 23; large valves: 23-mm and 25-mm, n = 18).
View Article and Find Full Text PDFRapid decline in extratropical Andean snow cover driven by the poleward migration of the Southern Hemisphere westerlies.
Sci Rep
November 2024
University of Magallanes, Av. Manuel Bulnes 1855, Punta Arenas, 621-0427, Chile.
Seasonal snow in the extratropical Andes is a primary water source for major rivers supplying water for drinking, agriculture, and hydroelectric power in Central Chile. Here, we used estimates from the Moderate Resolution Imaging Spectroradiometer (MODIS) to analyze changes in snow cover extent over the period 2001-2022 in a total of 18 watersheds spanning approximately 1,100 km across the Chilean Andes (27-36°S). We found that the annual snow cover extent is receding in the watersheds analyzed at an average pace of approximately 19% per decade.
View Article and Find Full Text PDFCardiac calcified amorphous tumor in a patient with lung cancer.
Gen Thorac Cardiovasc Surg Cases
August 2024
Department of Cardiovascular Surgery, NHO Takasaki General Medical Center, Gunma, Japan.
Article Synopsis
- Calcified amorphous tumors of the heart are rare, non-cancerous masses made up of calcified nodules and fibrous tissue, often linked to conditions like mitral annular calcification, especially in patients with kidney issues.
- A case study of a 77-year-old woman with lung cancer revealed a tumor in her heart, which was surgically removed and identified as a calcified amorphous tumor, despite her normal kidney function.
- The findings imply that there may be a connection between calcified amorphous tumors and cancer, potentially due to alterations in blood coagulation from the malignancy.
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