Factors influencing outcome after hepatic portoenterostomy among extrahepatic bile duct atresia patients in Hospital Sultanah Bahiyah, Alor Setar.

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Biliary atresia implies high risk of mortality if not diagnosed and treated early. We undertook this study to assess the prognostic factors affecting the outcome of Kasai surgery.


A retrospective clinical study was conducted among 58 patients from Hospital Sultanah Bahiyah Alor Setar. Data were analysed with logistic regression analysis using SPSS. Factors studied included age during surgery, bile duct diameter at the porta hepatic, race of patient, preoperative total bilirubin level and cholangitis. These factors were analysed to determine its significance as a prognostic factor affecting the outcome of Kasai surgery.


Older age group above 56 days of life, bile duct diameter at porta hepatis measuring <50μm, pre-operative total bilirubin >10mg% and cholangitis were found to be poor prognostic factors from univariate regression analysis. Variables having p value<0.025 were analysed using the multivariable regression analysis. Only age of patient and diameter of bile duct at the porta hepatis were eligible for this analysis. The final analysis showed that age 57 days of life and above (adjusted odd's ratio (aOR) = 9.412, p value = 0.042, 95% confidence interval (95%CI) = 1.079 to 82.104) and bile duct diameter <50μm (aOR = 13.812, p value = 0.016, 95%CI = 1.616 to 118.042) were significant factors affecting the outcome.


In conclusion, age of patient 56 days of life and younger and diameter of bile duct at porta hepatis ≥50μm gave a significantly better outcome after Kasai surgery.

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