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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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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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Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

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AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
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Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

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Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
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[How quickly can a complex stone be treated in percutaneous mini-nephrolithotomy?]

F-R Roustan1, R Betari1, T Germain1

  • 1CHU Henri-Mondor, Créteil, France.

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|January 11, 2022
PubMed
Summary
This summary is machine-generated.

The fragmentation speed for complex stones using mini-percutaneous nephrolithotomy (mini-NLPC) is 48.2 mm³min⁻¹. This calculation considers total operative time, crucial for surgical planning.

Keywords:
Calcul rénalKidney stoneNéphrolithotomie percutanéePercutaneous nephrolithotomyRésultats des traitementsTreatment outcome

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Area of Science:

  • Urology
  • Surgical Technology
  • Nephrolithiasis Management

Background:

  • Accurate surgical time estimation is vital for complex stone treatment planning.
  • Percutaneous mini-nephrolithotomy (mini-NLPC) is a key technique for managing complex kidney stones.
  • Understanding stone processing speed aids in optimizing surgical workflows.

Purpose of the Study:

  • To determine the stone processing speed of complex stones treated with mini-NLPC.
  • To analyze the components of operative time: installation, renal access, and fragmentation.
  • To provide data for improved surgical programming in nephrolithotomy.

Main Methods:

  • Prospective single-center study (November 2019 - October 2020).
  • Inclusion of patients with complex stones treated via mini-NLPC with complete fragment removal.
  • Measurement of stone volume using 3D reconstruction software and time analysis of surgical phases.

Main Results:

  • 20 patients with a median stone volume of 4145 mm³ were included.
  • Median operative time was 104.5 minutes.
  • Fragmentation speed was 48.2 mm³/min (total time) and 110.4 mm³/min (fragmentation time only).

Conclusions:

  • The fragmentation speed of complex stones using mini-NLPC is 48.2 mm³/min when considering total operative time.
  • This metric is essential for surgical programming and efficiency.
  • Further comparative studies with other techniques like ureteroscopy are recommended.