31 May 2026
: Case report 
Obstruction of the Biliary Limb of the Roux Loop After Successful Kasai Portoenterostomy for Biliary Atresia: Report of Two Cases
Unusual setting of medical care, Rare disease
Cheryl H.Q. Chong
BEF 1*, Yang Yang Lee BCD 1, Vidyadhar Padmakar Mali ACDEF 1
DOI: 10.12659/AJCR.950980
Am J Case Rep 2026; 27:e950980
Table 1 Patient characteristics and outcomes.
| Case 1 | Case 2 | |
|---|---|---|
| Age (months) | 47 | 42 |
| Sex | Female | Female |
| Age at KPE (days) | 33 | 54 |
| Total bilirubin at 3 months post-KPE (μmol/L) | 15 | 6 |
| Interval from KPE to first cholangitis (days) | 20 | 570 |
| Cholangitis episodes post-KPE before reoperation (n/months) | 5/3 | 5/1 |
| Cumulative LOS for post-KPE cholangitis before reoperation (days) | 129 | 80 |
| Mean LOS per episode of cholangitis before reoperation (days) | 25.8 | 16 |
| Age at reoperation for Roux loop (months) | 4 | 19 |
| Liver function tests at reoperation for Roux loop | ||
| Total bilirubin (μmol/L) | 14 | 3 |
| Alanine aminotransferase (U/L) | 45 | 33 |
| Aspartate aminotransferase (U/L) | 53 | 41 |
| Gamma-glutamyl transpeptidase (U/L) | 527 | 248 |
| Follow-up duration after reoperation (months) | 33 | 23 |
| Further cholangitis episodes after reoperation (n/months) | 0 | 3/23 |
| Cumulative LOS for post-KPE cholangitis after reoperation (days) | NA | 17 |
| Mean LOS per episode of cholangitis after reoperation (days) | NA | 5.6 |
| KPE – Kasai portoenterostomy; LOS – length of stay; NA – not applicable. | ||