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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

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Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
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Abdominal imaging post bariatric surgery: predictors, usage and utility.

Dana Haddad1, Aruna David2, Haneen Abdel-Dayem2

  • 1Department of Radiology, Harlem Hospital Center, New York, New York; Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, New York.

Surgery for Obesity and Related Diseases : Official Journal of the American Society for Bariatric Surgery
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Summary

Postoperative bariatric imaging is frequent, but most findings are unrelated to symptoms. Developing clear guidelines can reduce unnecessary imaging, costs, and patient anxiety associated with bariatric surgery.

Keywords:
CTGastric bypassPostoperative imagingSleeve gastrectomyUGI series

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Area of Science:

  • Bariatric surgery outcomes
  • Medical imaging utilization
  • Healthcare cost-effectiveness

Background:

  • Postoperative imaging guidelines for bariatric surgery patients are lacking.
  • This can lead to unnecessary radiation exposure, costs, and patient anxiety.
  • Investigating institutional imaging practices is crucial.

Purpose of the Study:

  • To evaluate the usage and utility of nonroutine postoperative abdominal imaging in bariatric patients.
  • To identify factors influencing the likelihood of imaging in this population.

Main Methods:

  • Retrospective review of laparoscopic gastric bypass and sleeve gastrectomy patients over 5 years.
  • Inclusion of all bariatric-related nonroutine initial and subsequent prompted abdominal/pelvic imaging.
  • Analysis of imaging findings and patient characteristics.

Main Results:

  • 907 nonroutine studies were performed in 69% of 578 patients; 36% had computed tomography (CT).
  • Only 20.3% of findings were symptom-related; 50% were negative.
  • Bypass procedure type, older age, and lower initial BMI increased imaging likelihood; CT use correlated with more imaging studies.

Conclusions:

  • Postoperative abdominal imaging is common in bariatric patients, with most findings unrelated to symptoms.
  • Understanding factors influencing imaging is key to developing cost-effective protocols.
  • Streamlining imaging protocols can improve patient care and reduce healthcare costs.