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Prophylactic antibiotics are commonly used to prevent infections and complications during surgeries. In this study inflammatory responses and infectious complications after utilizing antibiotic-loaded irrigation compared with intravenous (IV) prophylactic antibiotics. Eighty-eight participants with ureteral stones enrolled in this prospective randomized controlled trial.

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Background: Absolute polycythemia can be primary or secondary. Erythropoietin-producing diseases (for example, hypoxia) are the major cause of secondary polycythemia. There are reports of polycythemia secondary to hydronephrosis.

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Design and kinematics of a tube-shaped multidirectional bending robotic device using slackened SMA wires for transurethral ureterolithotripsy.

Int J Comput Assist Radiol Surg

January 2023

Graduate School of Biomedical Engineering, Tohoku University, 6-6 Aza-Aoba, Aramaki, Aoba-ku, Sendai, 980-8579, Japan.

Purpose: The complex and elaborate structure of the urinary system presents surgeons with difficulty in using a ureteroscope with a fixed optical fiber to reach the targeted calculus. To address this challenge, a robotic device is required to control the direction of laser irradiation position independently in ureteroscopes.

Method: A continuum robotic device was designed and fabricated.

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Recently, ureteroscopic lithotripsy remains the standard treatment for urolithiasis, with postoperative febrile upper urinary tract infection (fUTI) being one of its most significant complications. The current study sought to investigate the treatment outcomes of ureterorenoscopy (URS), morbidity and risk factors of postoperative fUTI at our hospital. A total of 1,235 patients who underwent URS (including those who underwent only semi-rigid URS) for upper urinary tract stones at our hospital between October 2011 and December 2019 were retrospectively analyzed.

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Article Synopsis
  • Ureteral strictures and obstructions after ureteroscopy are challenging to manage effectively.
  • A case of a 44-year-old man with complete ureteral obstruction was treated successfully using laser endoureterotomy and the cut-to-the-light technique.
  • This minimally invasive approach may serve as a viable alternative to more invasive procedures like pyeloplasty, especially for patients where stent placement isn't possible.
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