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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

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...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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...
Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

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 donor...

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Related Experiment Video

Updated: Jun 15, 2026

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
14:05

A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction

Published on: December 20, 2014

[Subcutaneous nephrovesical bypass in ureteral obstruction].

B K Komiakov, B G Guliev, T Kh El'-Attar

    Urologiia (Moscow, Russia : 1999)
    |March 10, 2010
    PubMed
    Summary

    Subcutaneous bypass draining (SBD) offers a viable solution for upper urinary tract (UUT) obstruction when other methods fail. This technique shows promising results for managing complex ureteral issues, particularly in cancer patients.

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    Published on: November 22, 2019

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    Last Updated: Jun 15, 2026

    A Murine Model of Irreversible and Reversible Unilateral Ureteric Obstruction
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    Published on: December 20, 2014

    Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
    06:39

    Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

    Published on: November 22, 2019

    Area of Science:

    • Urology
    • Surgical Techniques
    • Oncology

    Context:

    • Ureteral obstruction presents a significant clinical challenge, often necessitating advanced management strategies.
    • Malignancies and post-surgical complications are primary causes of ureteral obstruction, impacting renal function.
    • Conventional treatments like stenting and nephrostomy may not always be feasible or effective.

    Purpose:

    • To evaluate the efficacy and safety of subcutaneous bypass draining (SBD) for upper urinary tract (UUT) obstruction.
    • To assess SBD as an alternative when standard interventions are impossible.
    • To analyze short- and long-term outcomes in patients undergoing SBD for complex ureteral issues.

    Summary:

    • Subcutaneous bypass draining (SBD) was performed on 12 patients with UUT obstruction, primarily due to tumors (11 cases).
    • The procedure utilized nephrovesical bypass in most cases, with simultaneous establishment of renal and vesical stent ends.
    • Complications were minimal, with temporary urine leaks and one case of distal stent obstruction managed successfully; SBD proved effective in challenging cases.

    Impact:

    • SBD provides a crucial alternative for UUT drainage when stenting, ureteral endoprosthesis, or continuous nephrostomic drainage are not possible.
    • The study highlights SBD as a method of choice for specific cancer patients with ureteral obstruction, demonstrating favorable short- and long-term outcomes.
    • This technique can preserve renal function and improve quality of life in patients with complex urological conditions.