The outcomes of patients with severe dengue admitted to intensive care units

Chin Ming Chen, Khee Siang Chan, Wen Liang Yu, Kuo Chen Cheng, Hui Chun Chao, Chiu Yin Yeh, Chih Cheng Lai

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Abstract

Outcomes of adult patients with dengue infections requiring intensive care unit (ICU) admissions remain unclear. We assessed the clinical manifestations and prognostic factors of patients critically ill with severe dengue. This retrospective study was done in a tertiary referral hospital with 96 adult ICU beds. All of the patients with laboratory-confirmed severe dengue infections and admitted to the ICU were enrolled between July 31 and November 31, 2015, during the large outbreak period. The medical records of all the recruited patients were reviewed for the following information: age, gender, clinical manifestations, disease severity scores, underlying conditions, laboratory examinations, and outcomes. The primary endpoint was to find the predictors of ICU mortality. During the study period, 4787 patients with dengue infections required ICU admission. One hundred forty-three (2.99%) were critically ill (mean age: 69.7 years). Hypertension (n = 90, 62.9%) and diabetes mellitus (n = 70, 49.0%) were the 2 most common underlying diseases. Eighty critically ill patients (55.9%) had cobacterial infections, and 33 had cobacteremia. The hematologic system failed most often, followed by thoracic and cardiovascular systems. Fever was the most common presentation (n = 112; 78.3%), followed by anorexia (n = 47; 32.9%) and abdominal pain (n = 46; 32.2%). Overall, 33 patients died (mortality rate: 23.1%). Multivariate analysis showed that ICU mortality was significantly associated with lower Glasgow Coma Scale (GCS) scores, lower platelet counts before ICU discharge, and more organ failures. The number of severe dengue patients who require ICU admission remains high. The mortality rate was associated with lower GCS scores, lower platelet counts, and more organ failures. In addition, more than half of the critically ill dengue patients had comorbid bacterial infections.

Original languageEnglish
Article numbere4376
JournalMedicine (United States)
Volume95
Issue number31
DOIs
Publication statusPublished - Aug 1 2016

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Keywords

  • dengue
  • intensive care unit
  • outcome

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Chen, C. M., Chan, K. S., Yu, W. L., Cheng, K. C., Chao, H. C., Yeh, C. Y., & Lai, C. C. (2016). The outcomes of patients with severe dengue admitted to intensive care units. Medicine (United States), 95(31), [e4376]. https://doi.org/10.1097/MD.0000000000004376