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Urinary Tract Calculi VI: Surgical Management01:25

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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

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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 V: Nursing Management01:28

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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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The process of hypothesis testing based on the P-value method includes calculating the P- value using the sample data and interpreting it.
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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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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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Markov chain decision model for urinary incontinence procedures.

Sameer Kumar1, Nidhi Ghildayal2, Neha Ghildayal2

  • 1Department of Operations and Supply Chain Management, University of St. Thomas , Minneapolis, Minnesota, USA.

International Journal of Health Care Quality Assurance
|March 4, 2017
PubMed
Summary

The Sling procedure is more effective for urinary incontinence (UI) than the Burch procedure. However, the Burch procedure may be more effective if persistent incontinence is highly valued.

Keywords:
Comparative effectiveness analysisCost utility analysisDecision makingMarkov chain decision modelStress incontinenceSystem thinking

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Area of Science:

  • Urology
  • Health Economics
  • Geriatrics

Background:

  • Urinary incontinence (UI) is a prevalent chronic condition affecting elderly women, often underdiagnosed and undertreated.
  • Existing treatments for UI include behavioral therapies and surgical interventions like Burch colposuspension and Sling procedures.

Purpose of the Study:

  • To compare the effectiveness of Burch colposuspension and Sling procedures for treating stress urinary incontinence (SUI) in women.
  • To evaluate surgical interventions for UI using quality-adjusted life years (QALY) and cost-per-QALY metrics.

Main Methods:

  • Utilized a Markov chain decision model incorporating data from randomized, prospective studies.
  • Employed Treeage Pro Healthcare software for Markov decision analysis.
  • Assessed comparative effectiveness based on QALY gained and cost per QALY.

Main Results:

  • The Sling procedure demonstrated greater effectiveness compared to the Burch procedure.
  • The Burch procedure becomes more effective than the Sling if persistent incontinence is assigned a high utility value.

Conclusions:

  • Markov chain decision modeling provides a robust framework for comparative effectiveness analysis of UI treatments.
  • The choice between Sling and Burch procedures for SUI may depend on patient-specific utility values for incontinence persistence.