Prophylactic Tranexamic Acid as Prevention for Early Postoperative Bleeding after Roux-en-Y Gastric Bypass. - Vecchi Ferri JV; Scardua Cocicov M; Mamoru Haida V; Sadowski JA; Herbert Sobottka W; Rodrigues Alves Castro G; Dallegrave Marchesini JC; Coutinho Teixeira de Freitas A (Obesity surgery, 2026)