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Background and Objectives <p>Kasai-portoenterostomy (KPE) is the initial attempt to restore the bile flow and salvage the native liver in biliary atresia (BA) patients. Cholangitis is a frequent complication after KPE and adequate treatment impacts the long-term outcome. The aim of our study is to assess the severity of cholangitis episodes in a cohort of BA patients post KPE, identify the causative agents, using several diagnostic methods, as well as to assess the tolerability and efficacy of our antimicrobial protocol.</p> Methods <p>This analytical retrospective observational study, conducted at Pediatric Hepatology Unit, Cairo University Pediatric Hospital, included infants and children with cholangitis post-KPE enrolled over 30&#xa0;months. Clinical data collection, basic laboratory investigations inflammatory markers, B-D glucan, blood culture, 16SrDNA, 18SrDNA were performed in all enrolled patients. Cholangitis episodes were treated with intravenous antibiotics according to our antimicrobial protocol that has been implemented in conjunction with the antimicrobial stewardship committee.</p> Results <p>This study included 30 post-KPE patients, who experienced 47 episodes of cholangitis. Twenty-five episodes of cholangitis were culture positive cholangitis (positive blood culture and/or PCR results and/or liver biopsy). <i>Klebsiella Variicola</i> and <i>Klebsiella pneumoniae</i> were the most prevalent pathogens in 13 and seven cultures, respectively. Meropenem was the most successful antibiotic in&#xa0;the eradication of infection in 11(23.4%) episodes. Culture positive cholangitis showed increased incidence of sepsis and worse outcome in comparison to culture negative cholangitis. The severity of cholangitis was classified into 16 patients (34%) with infection, 28 (60%) sepsis, one (2%) severe sepsis and two (4%) septic shock.</p> Conclusion <p>Almost half of cholangitis episodes were culture-positive; the commonest pathogen was <i>Klebsiella</i>, showing more severe sepsis and worse outcome.</p> Graphical abstract <p></p>

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A comprehensive clinical and microbiological study on the diagnosis and management of cholangitis in patients with biliary atresia undergoing kasai portoenterostomy

  • 期刊论文

  • 发表日期：

    2025年3月12日

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  • Merna Adel Aziz,
  • Hala Mohsen Abdullatif,
  • May S. Soliman,
  • Sawsan Okasha,
  • Nevian Nabil,
  • Mariam Mahmoud Balah,
  • Hanaa El-Karaksy

摘要

Background and Objectives

Kasai-portoenterostomy (KPE) is the initial attempt to restore the bile flow and salvage the native liver in biliary atresia (BA) patients. Cholangitis is a frequent complication after KPE and adequate treatment impacts the long-term outcome. The aim of our study is to assess the severity of cholangitis episodes in a cohort of BA patients post KPE, identify the causative agents, using several diagnostic methods, as well as to assess the tolerability and efficacy of our antimicrobial protocol.

Methods

This analytical retrospective observational study, conducted at Pediatric Hepatology Unit, Cairo University Pediatric Hospital, included infants and children with cholangitis post-KPE enrolled over 30 months. Clinical data collection, basic laboratory investigations inflammatory markers, B-D glucan, blood culture, 16SrDNA, 18SrDNA were performed in all enrolled patients. Cholangitis episodes were treated with intravenous antibiotics according to our antimicrobial protocol that has been implemented in conjunction with the antimicrobial stewardship committee.

Results

This study included 30 post-KPE patients, who experienced 47 episodes of cholangitis. Twenty-five episodes of cholangitis were culture positive cholangitis (positive blood culture and/or PCR results and/or liver biopsy). Klebsiella Variicola and Klebsiella pneumoniae were the most prevalent pathogens in 13 and seven cultures, respectively. Meropenem was the most successful antibiotic in the eradication of infection in 11(23.4%) episodes. Culture positive cholangitis showed increased incidence of sepsis and worse outcome in comparison to culture negative cholangitis. The severity of cholangitis was classified into 16 patients (34%) with infection, 28 (60%) sepsis, one (2%) severe sepsis and two (4%) septic shock.

Conclusion

Almost half of cholangitis episodes were culture-positive; the commonest pathogen was Klebsiella, showing more severe sepsis and worse outcome.

Graphical abstract