Incidence of choledocholithiasis in gallstone disease in eastern zone of India: A single centre study

Background: Common bile duct stones are found in 10-15% of patients having gall stone disease and the incidence increases with the age, both in India and in western countries and the majority of common bile duct stones are secondary to gall bladder stones, their incidence is more in Northern India. Objective: To study the incidence of common bile duct stone in patients having gall stone disease in tertiary care hospital. Methods: This was a cross sectional study of 125 patients admitted in different wards of the department of surgery on the basis of symptoms and signs of gall stone disease and latter on trans-abdominal ultrasound and MRCP confirmed that 18.4% of total patients having also choledocholithiasis. Result: Incidence of choledocholithiasis was 18.4% in patients having gall stone disease. It was 3 times more common in females. Maximum incidence 35% in between 40-49 years, obese (52%) and middle socio-economic group (74%). Conclusion: Incidence of choledocholithiasis is in increasing trend and is more common in females in between 40-49 years age group. Obesity is the commonest risk factor.