PurposeThis study investigated the clinical presentations of symptomatic Clostridium difficile infection (CDI) in children.MethodsWe reviewed the medical records of 43 children aged <20 years who showed either positive C. difficile culture or C. difficile toxin test results between June 2010 and April 2014.ResultsOf the 43 patients (mean age 6.7 years), 22 were boys. Sixteen patients (37.2%) showed both positive C. difficile culture and toxin test results. Seventeen out of 43 children (39.5%) had preexisting gastrointestinal diseases, and 26 children had other medical conditions that were risk factors for CDI. Twenty-eight children had a history of antibiotic treatment for >3 days, and the most frequently prescribed antibiotic was amoxicillin-clavulanate (35.7%). Twenty-eight patients were diagnosed with CDI despite taking probiotic supplements, most commonly Lactobacillus acidophilus (53.6%). The most common symptom was diarrhea (72.1%) at the time CDI was diagnosed. C. difficile was eradicated in 11 patients (25.6%) after treatment with oral metronidazole for 10-14 days, and in the two patients (4.6%) who required two courses of oral metronidazole. Sixteen patients (37.2%) showed clinical improvement without any treatment.ConclusionThis study showed the various clinical characteristics of CDI in children and that preexisting clinical conditions favored the development of CDI. In addition, CDI was found to occur in a number of patients even after probiotic prophylaxis given in conjunction with antibiotic therapy.
Purpose: In the present study, we aimed to determine the risk factors for the development of cystic periventricular leukomalacia (CPVL) in very low birth weight (VLBW) infants. Methods: We reviewed the medical records of 309 infants weighing less than 1,500 g who were admitted to the neonatal intensive care unit at Hanyang University Medical Center, Seoul from April 2007 to December 2012. Thirty-nine infants died within 28 days of birth. Of the remaining 270 infants, 21 with CPVL established by cranial ultrasonography, and 63 without CPVL, who were matched for gestational age, were enrolled in this study. Univariate and multivariate analyses of maternal, perinatal, and neonatal risk factors for CPVL were performed through retrospective assessment of data collected from the medical records. Results: Necrotizing enterocolitis (NEC ≥stage II: 42.9% vs. 9.5%, P=0.002), cultureproven sepsis (66.7% vs. 34.9%, P=0.021), hypotension with sepsis (33.3% vs. 6.3%, P=0.004), and severe intraventricular hemorrhage (≥grade III: 61.9% vs. 22.2%, P= 0.002) were associated with the development of CPVL on univariate analysis. Using multivariate logistic regression analysis, two variables were found to be statistically significant independent risk factors: NEC (≥stage II: adjusted OR, 5.12; 95% CI, 1.219-21.514; P=0.026) and hypotension with sepsis (adjusted OR, 8.23; 95% CI, P=0.032). Conclusion: NEC (≥stage II) and hypotension with sepsis were associated with an increased risk of developing CPVL in VLBW infants.
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