Matheus Miranda Paiva

Irmandade da Santa Casa de Misericórdia de São Paulo

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About

Matheus Miranda Paiva is a rising figure in minimally invasive urologic surgery, with a focused expertise in robotic-assisted reconstructive techniques. His primary research centers on advanced solutions for complex ureteropelvic junction obstruction (UPJO) and renal salvage procedures, particularly where conventional pyeloplasty has failed or anatomical anomalies complicate treatment. Paiva’s major contribution lies in refining and standardizing the robotic-assisted laparoscopic ureterocalicostomy (RALUC), a technically demanding procedure that anastomoses the ureter directly to the lower pole calyces after excising hydronephrotic renal tissue. His 2025 paper, “Robotic-assisted Laparoscopic Ureterocalicostomy (RALUC): How we do it,” details a reproducible surgical approach that expands options for patients with failed prior interventions or challenging renal anatomy. While still early in his career, with 2 citations on this seminal work, Paiva is establishing a methodological framework that promises to improve outcomes and reduce morbidity in complex upper tract reconstruction. His work bridges the gap between advanced robotics and nephron-sparing surgery, positioning him as an emerging authority in the field. For students and researchers, Paiva’s contributions highlight the evolving frontier of robotic urology, where precision techniques are redefining what is possible in renal preservation.