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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

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Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

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Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
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Related Experiment Video

Updated: Sep 2, 2025

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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[Trends in upper urinary tract reconstruction surgery over a decade based on a multi-center database].

W Zuo1, F Gao1, C W Yuan1

  • 1Department of Urology, Peking University First Hospital; Institute of Urology, Peking University; National Urological Cancer Center, Beijing 100034, China.

Beijing Da Xue Xue Bao. Yi Xue Ban = Journal of Peking University. Health Sciences
|August 11, 2022
PubMed
Summary

Upper urinary tract reconstruction surgery is increasingly favoring minimally invasive approaches, particularly robot-assisted laparoscopic surgery, which is linked to fewer short-term complications. This trend indicates a shift towards more complex procedures and advanced surgical techniques.

Keywords:
DatabaseReconstructive surgical proceduresRobotic surgical proceduresUpper urinary tract

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Area of Science:

  • Urology
  • Surgical Innovation
  • Medical Database Research

Background:

  • Upper urinary tract reconstruction addresses congenital anomalies and iatrogenic injuries.
  • The RECUTTER database (Reconstruction of Urinary Tract: Technology, Epidemiology and Result) tracks trends in these procedures.

Purpose of the Study:

  • To analyze trends in surgical type, procedures, and etiology for upper urinary tract repair over a decade.
  • To compare surgical outcomes between early (2010-2017) and later (2018-2021) periods.

Main Methods:

  • Analysis of 1,072 patient records from the RECUTTER database (2010-2021).
  • Comparison of surgical types (open, laparoscopic, robot-assisted, endourological), procedures, and complication rates between two time periods.
  • Statistical analysis of trends and risk factors for complications.

Main Results:

  • Robot-assisted laparoscopic surgery significantly increased from 2010-2017 to 2018-2021 (P < 0.001).
  • Pyeloplasty and balloon dilation were common; complex procedures like lingual mucosal graft ureteroplasty increased (P < 0.05).
  • Minimally invasive surgery (endourological and robot-assisted) was associated with reduced short-term complications (P=0.050, OR=0.472).

Conclusions:

  • The RECUTTER database provides valuable data for clinical research in urology.
  • Upper urinary tract reconstruction shows a trend towards minimally invasive and complex procedures.
  • Robot-assisted laparoscopic surgery demonstrates superiority in reducing short-term complications.