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Scoring system to preoperatively predict choledocholithiasis.

Sheshang U Kamath1, Satish B Dharap2, Vineet Kumar2

  • 1Department of General Surgery, Lokmanya Tilak Municipal Medical College and General Hospital, Mumbai, 400 022, India. sheshangkamath@gmail.com.

Indian Journal of Gastroenterology : Official Journal of the Indian Society of Gastroenterology
|May 6, 2016
PubMed
Summary
This summary is machine-generated.

A new scoring system accurately predicts common bile duct (CBD) stones in patients with gallstones. This tool helps select patients for interventions like ERCP, improving care for choledocholithiasis.

Keywords:
CholecystectomyCholedocholithiasisERCPPredictive factors

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Area of Science:

  • Gastroenterology
  • Hepatobiliary Surgery
  • Diagnostic Imaging

Background:

  • Common bile duct (CBD) calculi affect 8-20% of patients with cholelithiasis.
  • Failure to detect CBD stones can lead to severe complications like cholangitis, pancreatitis, and jaundice.
  • Diagnostic modalities have evolved, necessitating a tool for selective intervention.

Purpose of the Study:

  • To develop a scoring system for predicting the risk of choledocholithiasis.
  • To aid in the selective utilization of advanced diagnostic and therapeutic interventions.

Main Methods:

  • Prospective observational study in a tertiary care hospital.
  • Included 275 patients with symptomatic cholelithiasis.
  • Utilized ultrasonography (USG), MRCP, EUS, and ERCP for diagnosis.

Main Results:

  • Prevalence of choledocholithiasis was 18.9%.
  • Significant predictors included dilated bile duct on USG, elevated total bilirubin, alkaline phosphatase (ALP), and SGOT.
  • A four-factor scoring system was developed: dilated bile duct (>6 mm), total bilirubin (>2 mg/dL), ALP (>190 IU/L), and SGOT (>40 IU/L).

Conclusions:

  • A score of 3 or more factors has a positive predictive value >95%, indicating need for endoscopic intervention.
  • Absence of any factor has a 100% negative predictive value, ruling out CBD calculi.
  • One or two positive factors suggest further evaluation with EUS or MRCP.