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Related Concept Videos

External Anatomy of the Kidney01:21

External Anatomy of the Kidney

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The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...
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Kidney Structure01:45

Kidney Structure

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The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
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Sleeve Gastrectomy in Mice using Surgical Clips
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Bariatric surgery does not affect kidney stone disease.

Angelo Iossa1, Antonio Luigi Pastore2, Ilenia Coluzzi3

  • 1Division of General Surgery, Department of Medical-Surgical Sciences and Biotechnologies, Faculty of Pharmacy and Medicine, Bariatric Centre of Excellence SICOB, Referral Training Center of ISHAWS (Italian Chapter EHS), 'La Sapienza' University of Rome-Polo Pontino, Latina, Italy. angelo.iossa@uniroma1.it.

Scientific Reports
|December 5, 2024
PubMed
Summary

Bariatric surgery patients face a 6.49% risk of kidney stones, independent of the procedure. Adhering to nutritional guidelines and monitoring patients with a BMI over 30 kg/m² is crucial for preventing urolithiasis.

Keywords:
Bariatric surgeryKidney calculiKidney stonesObesityOne-anastomosis gastric bypassRoux-n-Y gastric bypassSleeve gastrectomy

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Area of Science:

  • Urology
  • Bariatric Surgery
  • Nephrology

Background:

  • Obesity is linked to urolithiasis (kidney stones).
  • Bariatric surgery aids weight loss but may increase urolithiasis risk by 7.6%.
  • Investigating surgical techniques and habits impacting post-bariatric surgery urolithiasis.

Purpose of the Study:

  • To assess the incidence of urolithiasis after bariatric surgery.
  • To identify risk factors, including surgical technique, comorbidities, and nutritional habits.
  • To provide recommendations for patient management and follow-up.

Main Methods:

  • Prospective study of 185 bariatric surgery patients.
  • Nutritional assessment and urinalysis two years post-surgery.
  • Abdominal CT scans for patients with urinary crystals.

Main Results:

  • Urolithiasis found in 6.49% of patients (12/185).
  • Hypertension, dyslipidemia, OSAS, and BMI > 30 kg/m² significantly correlated with stone formation.
  • No significant correlation found between specific surgical techniques (SG, OAGB, RYGB) and urolithiasis.

Conclusions:

  • Patients need counseling on the 6.49% risk of urolithiasis post-bariatric surgery.
  • Adherence to nutritional guidelines is essential.
  • Consider urinary stone evaluation during follow-up, especially for patients with BMI > 30 kg/m².