• Kam Lun Hon, Man Ping Luk, Wing Ming Fung, Cho Ying Li, Hiu Lee Yeung, Pui Kwun Liu, Shun Li, Kathy Yin Ching Tsang, Chi Kong Li, Paul Kay Sheung Chan, Kam Lau Cheung, Ting Fan Leung, and Pei Lin Koh.
• Department of Paediatrics, The Chinese University of Hong Kong. Electronic address: ehon@hotmail.com.
• J Crit Care. 2017 Apr 1; 38: 57-61.

ObjectivesWe investigated whether diagnostic categories and presence of infections were associated with increased mortality or length of stay (LOS) in patients admitted to a pediatric intensive care unit (PICU).MethodsA retrospective study of all PICU admissions between October 2002 and April 2016 was performed. Oncologic vs nononcologic, trauma/injuries vs nontraumatic, infectious (gram-positive, gram-negative, fungal bloodstream infections, common respiratory viruses) vs noninfectious diagnoses were evaluated for survival and LOS.ResultsPediatric intensive care unit admissions (n = 2211) were associated with a mortality of 5.3%. Backward binary logistic regression showed that nonsurvival was associated with leukemia (odds ratio [OR], 4.81; 95% confidence interval [CI], 2.2-10.10; P < .0005), lymphoma (OR, 21.34; 95% CI, 3.89-117.16; P < .0005), carditis/myocarditis (OR, 7.91; 95% CI, 1.98-31.54; P = .003), encephalitis (OR, 6.93; 95% CI, 3.27-14.67; P < .0005), bloodstream infections with gram-positive organisms (OR, 5.32; 95% CI, 2.67-10.60; P < .0005), gram-negative organisms (OR, 8.23; 95% CI, 4.10-16.53; P < .0005), fungi (OR, 3.93; 95% CI, 1.07-14.42; P = .039), and pneumococcal disease (OR, 3.26; 95% CI, 1.21-8.75; P = .019). Stepwise linear regression revealed that LOS of survivors was associated with bloodstream gram-positive infection (B = 98.2; 95% CI, 75.7-120.7; P < .0005).ConclusionsPatients with diagnoses of leukemia, lymphoma, cardiomyopathy/myocarditits, encephalitis, and comorbidity of bloodstream infections and pneumococcal disease were significantly at risk of PICU mortality. Length of stay of survivors was associated with bloodstream gram-positive infection. The highest odds for death were among patients with leukemia/lymphoma and bloodstream coinfection. As early diagnosis of these childhood malignancies is desirable but not always possible, adequate and early antimicrobial coverage for gram-positive and gram-negative bacteria might be the only feasible option to reduce PICU mortality in these patients. In Hong Kong, a subtropical Asian city, none of the common respiratory viruses were associated with increased mortality or LOS in PICU.Copyright © 2016. Published by Elsevier Inc.

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