소아 복막 투석 환자에서 발생한 복막염 : 단일기관에서 12년간의 경험
Peritoneal Dialysis-related Peritonitis in Children: A Single Center’s Experience Over 12 Years
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목적: 소아 복막 투석 환자에서 복막염의 특징과 International Society for Peritoneal dialysis의 가이드라인에 따른 경험적 항생제 치료가 적절한지 분석하였다. 방법: 2000년 3월부터 2012년 2월까지 서울아산병원 소아과에서 복막 투석을 한 경험이 있는 72명의 환자들을 대상으로 의무기록을 후향적으로 분석하였다. 결과: 복막 투석을 받은 32명의 환자에서 79회의 복막염이 발생하여 발생빈도는 0.43회/환자 · 년이었고 복막 투석 방식에 따른 복막염의 발생 빈도는 차이가 없었다(P=0.459). 또한 21명의 환자가 51회의 복막 도관 감염을 경험하였고 도관 감염의 발생 빈도는 0.28회/환자·년이었다. 복막 도관 감염에 따른 복막염의 발생 빈도는 차이가 없었다(P=0.721). 79회의 복막염 중 68.4%에서 균이 동정되었으며, 그람 양성균 중 85.3%가 ß-lactam계 항생제에 감수성이 있었고 그람 음성 막대균 중 94.7%가 ceftazidime에 감수성이 있었다. 균이 동정되지 않은 복막염 중에는 92.0%에서 cefazolin과 ceftazidme에 치료 반응을 보였다. 결론: 복막 투석 환자에서 복막염의 발생 빈도는 0.43회/환자 · 년이었고, 복막염에 대한 치료로 cefazolin과 ceftazidime의 초기 경험적 항생제 투여는 복막염의 91.1%에서 적절하였다. 그러나 내성 균주에 대한 지속적인 감시가 필요하다.
Abstract
Purpose: The aim of our study was to investigate the characteristics of the peritoneal dialysis (PD) - related peritonitis and to evaluate the effectiveness of the empirical antibiotics recommended by the International Society for Peritoneal Dialysis in Korean children. Methods: We retrospectively reviewed the medical records of 72 children on peritoneal dialysis at the Department of Pediatrics, Asan Medical Center over the period from March 2000 to February 2012. Results: Seventy-nine episodes of peritonitis occurred in 32 patients. The incidence of peritonitis was 0.43 episodes/patient·year. There were no significant differences in the incidence of peritonitis in terms of dialysis modality (P=0.459). Twenty-one patients experienced 51 catheter exit-site infections (0.28 episode/patient·year). There were no significant differences in the incidence of peritonitis between those with and without history of exit-site infections (P=0.721). Specific pathogens were isolated from 68.4% (54/79) of the patient with peritonitis episodes, including Gram-positive bacteria (n=34), Gram-negative bacteria (n=25) and fungus (n=1). Among Gram-positive bacteria, 85.3% of the isolates were susceptible to ß-lactam antibiotics, among Gram-negative rods, 94.7% of the isolates were susceptible to ceftazidime. Among 25 cases with unknown etiologies, 92.0% of cases demonstrated satisfactory responses to cefazolin and ceftazidime. Conclusions: The incidence of peritonitis was 0.43 episodes/patient· year. Initial empirical therapy consisting of cefazolin and ceftazidime was appropriate for 91.1% of the PD-related peritonitis treatment. Continuous monitoring for the emergence of the resistant organisms is an important part of the appropriate managements of PD-related peritonitis.
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