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A meta-analysis of 13 propensity score-matched studies shows ViV-TAVR delivers lower early mortality and reduced bleeding compared to redo-SAVR for degenerated bioprosthetic aortic valves, though long-term hemodynamics warrant careful anatomical and patient-centered evaluation.
A landmark global study identifies six modifiable hospital infrastructure factors that form a Hospital Resource Index. Each index point reduces pancreas surgery mortality odds by 12% independently of surgical volume, providing concrete pathways to upgrade surgical safety across diverse health systems worldwide.
A multicenter study of 1,428 patients compares early recurrence patterns between neoadjuvant chemoimmunotherapy and chemoradiotherapy in locally advanced esophageal squamous cell carcinoma, highlighting locoregional control, distant metastasis, and survival implications.
A landmark study of 1,333 patients demonstrates that aortic root preservation provides robust 10-year durability in acute type A aortic dissection, even with significant baseline aortic regurgitation. Preoperative regurgitation did not independently increase early mortality.
A new technical report introduces an anatomical landmark-based Cartesian coordinate system to evaluate mandibular ramus morphology. This reproducible approach refines 3D surgical planning and optimizes patient-specific osteosynthesis plate design.
