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[Current status of the management of pediatric infective endocarditis: a national survey]

Author(s): Chen SB, Collaborative Study Group for Pediatric Infective Endocarditis

Affiliation(s): Department of Cardiology, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China. chensb@sh163.net

Publication date & source: 2009-08, Zhonghua Er Ke Za Zhi., 47(8):588-92.

Publication type: English Abstract

OBJECTIVE: During recent years several changes have occurred in the clinical characteristics of infective endocarditis (IE) which has made a new challenge in the management of this disease. This study aimed to understand current practice pattern in the management of pediatric IE in China. METHODS: This retrospective, multicenter study was conducted in 13 hospitals. Clinical data of 268 patients diagnosed as IE according to the new IE criteria (trial) between 2000 and 2006 were analysed, focusing particularly on management and outcome of patients. The mean age of patients was 8.94 years (18 d - 18 years). RESULTS: Except for one patient who died after admission without treatment, 56 antimicrobial agents were used in the management of this disease in the 267 patients, including cephalosporin group (15), penicillin group (8), beta-lactamase inhibitor combination (8), aminoglycosides (4), glycopeptide agents (3) etc. The most commonly used antibiotics were as follows: penicillin G (125 cases/times), cefotaxime (113), vancomycin (78), ceftriaxone (73), ampicillin (66), cefuroxime (56), piracillin (48), amikacin (39) etc. For management of this disease, only one antibiotic agent was used in 33 (12.3%) patients, two antibiotic agents in 83 (31.1%) patients, 3 antibiotic agents in 44 (16.5%) patients, 4 antibiotic agents in 57 (21.3%) patients, 5 antibiotic agents in 25 (9.4%) patients, 6 or more antibiotic agents in 25 (9.4%) patients. The most commonly used antibiotic agents in patients with streptococci detected in blood culture were penicillin G, cephalosporins, vancomycin, beta-lactamase inhibitor combination, and aminoglycoside, in patients with staphylococcus detected in blood culture were cephalosporins, oxicillin, vancomycin, aminoglycoside, and quinolones. Duration of antibiotic treatment was from 1 day to 98 days, less than 2 weeks in 19 (7%) patients, 2 weeks to less than 4 weeks in 74 (27.7%) patients, 4-6 weeks in 122 (45.7%) patients, more than 6 weeks in 52 (19.4%) patients; 123 patients simultaneously underwent surgical management (for removal of vegetations and intracardiac defects or residual shunt repair 105, and valve repair 8, valve replacement 6, intracardiac defect repair 4 ) Of the 268 patients, 186 patients were cured, 4 patients were referred to surgery, 18 patients died and 60 patients refused medical advice. In antibiotics and surgical treatment group (123 patients), 111 patients were cured, 4 patients were referred to surgery, 5 patients died, 3 patients refused medical advice, in antibiotics treatment group (145 patients), 75 patients were cured, 13 patients died, 57 patients refused medical advice. The outcomes were significantly different between the two groups (chi2 = 61.7, P = 0.000). The results of multivariate logistic regression analysis showed that Staphylococcus aureus as a pathogen (chi2 = 4.40, P = 0.036, OR = 9.78, 95% CI 1.16-82.26), children with repaired congenital heart disease (chi2 = 9.4, P = 0.002, OR = 9.8, 95% CI 2.28-42.16), and complicated with heart failure (chi2 = 10.36, P = 0.001, OR = 0.075, 95% CI 0.16-0.36) were risk factors related to death. CONCLUSION: This study revealed the current status in the management of pediatric IE in China Wide range antibiotic agents and diverse regimens are used to manage children with IE. For improving management of pediatric IE, there is an urgent need for guidelines or recommendations or consensus for management of pediatric IE stipulated by multidiscipline specialists, and randomized controlled clinical trials are required to provide evidences.

Page last updated: 2010-10-05

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