Publications by authors named "Michael Wai Yip Leung"

Article Synopsis
  • - This study focused on understanding portal hypertension (PHT) and its predictors in patients who survived biliary atresia (BA) after undergoing a surgical procedure called Kasai portoenterostomy (KPE).
  • - Researchers analyzed data from 320 patients across six centers in East Asia, finding that 37.8% developed PHT by five years post-KPE, particularly those who had the surgery later in life.
  • - Key findings revealed that higher bilirubin levels at one year post-KPE are linked to increased PHT risk, highlighting the importance of early surgery and ongoing monitoring for patients showing persistent jaundice.
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Children with Menkes disease may develop various urological and renal problems that evolve as the disease progresses. A 4-year-old boy with Menkes disease had multiple bladder diverticula and a history of recurrent urinary tract infection caused by urea-splitting organisms. The child developed urosepsis and right pyelonephritis.

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We present a 37 years' experience in the management of biliary atresia (BA) and discuss long-term complications after Kasai portoenterostomy (KPE). A retrospective territory-wide study from 1980 to 2017 on 231 patients with open KPE from three tertiary paediatric surgical centres was performed. Outcome parameters were clearance of jaundice (COJ), native liver survival (NLS) and long-term complications.

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Aim: Localized intravascular coagulopathy is present in children with venous malformations (VMs) as evidenced by elevated D-dimer levels. Few studies have looked into the changes in D-dimer after sclerotherapy and its correlation with treatment outcome and complications. Our study aims to investigate changes in D-dimer in children with VMs undergoing alcohol sclerotherapy.

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Background/purpose: Short segment Hirschsprung's disease (HSCR) carries a better prognosis than long segment disease, but the definition of short is controversial. The objective of this study is to determine anatomically the extent of disease involvement that would be associated with a better functional outcome.

Methods: This is a retrospective multicenter (n = 3) study with patients (≥ 3 years) who had transanal pullthrough operation done for aganglionosis limited to the recto-sigmoid colon were reviewed.

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A 15-year-old boy presented with intestinal obstruction two weeks following a blunt abdominal trauma. He had progressive bilious vomiting without abdominal distension or peritonitis. The contrast computed tomography (CT) scan of the abdomen provided the definitive diagnosis: there was an obstructing duodenal hematoma, which might have been slowly progressing or have arisen from secondary hemorrhage after the initial injury.

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