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Related Concept Videos

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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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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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

9
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...
19
Nursing Assessment of the Genitourinary System I: Health History01:21

Nursing Assessment of the Genitourinary System I: Health History

32
The genitourinary system is critical to maintaining fluid balance, waste elimination, and reproductive function. Nurses play a vital role in assessing this system, beginning with a thorough health history. This process involves gathering patient information, identifying risk factors, and recognizing symptoms of genitourinary disorders. Early detection is vital for timely interventions and management.1. Gathering Patient InformationA complete health history includes the patient’s personal,...
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Urinary Lithiasis Risk Assessment after Bariatric Surgery.

Marie Tran1, Khelifa Ait Said1, Benjamin Menahem2

  • 1Urology Department, CHU de Caen, Avenue de la Côte de Nacre, 14000 Caen, France.

Journal of Clinical Medicine
|June 28, 2023
PubMed
Summary

A new questionnaire accurately screens for kidney stones in gastric bypass patients. A score of 6 or higher indicates a high risk, aiding early detection and prevention of renal lithiasis.

Keywords:
gastric bypassobesityquestionnaireriskscreening strategiesurolithiasis

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Area of Science:

  • Nephrology
  • Gastroenterology
  • Bariatric Surgery

Background:

  • Gastric bypass (GB) surgery can lead to malabsorption and increased risk of kidney stone formation (renal lithiasis).
  • Effective screening tools are needed to identify patients at high risk for lithiasis post-GB.

Purpose of the Study:

  • To evaluate the accuracy of a novel screening questionnaire for assessing kidney stone risk in patients who have undergone gastric bypass.

Main Methods:

  • A monocentric retrospective study included 143 patients who underwent gastric bypass between 2014-2015.
  • Patients completed a 22-questionnaire covering medical history, renal colic episodes, and eating habits.
  • Statistical analysis included sensitivity, specificity, predictive values, and ROC curve analysis.

Main Results:

  • The prevalence of kidney stones in the study population was 19.6%.
  • A questionnaire score of ≥6 demonstrated high sensitivity (92.9%) and specificity (76.5%) for identifying high-risk patients.
  • The Area Under the Curve (AUC) was 0.932, indicating excellent diagnostic accuracy.

Conclusions:

  • A reliable and concise screening questionnaire was developed to identify patients at high risk for kidney stones after gastric bypass.
  • The questionnaire, with a threshold score of ≥6, can be utilized in clinical practice for early screening of renal lithiasis risk.