Metadata about: Abstract Purpose The aim of the study was to identify characteristic clinical features and outcomes of critically ill patients with confirmed severe acute respiratory syndrome (SARS). Materials and Methods This retrospective study enrolled all patients admitted to a 12-bed SARS intensive care unit (ICU) in a tertiary care medical center in Taipei between May 15 and July 17, 2003. Patients with positive results of either reverse transcriptase–polymerase chain reaction or antibody to SARS coronavirus were defined as SARS cases and others with negative results as control cases. Results Of the 50 patients, 14 had confirmed SARS. Demographics were similar between the 2 groups. The highest leukocyte and neutrophil counts, lactate dehydrogenase, and creatine kinase; positive end-expiratory pressure; and use of corticosteroids, ribavirin, and intravenous immunoglobulin were higher in the SARS group. In contrast, the lowest lymphocyte count and the ratio of Pao 2 to the fraction of inspired oxygen were lower in the SARS group. Of the 15 deaths in the control group, 12 (80%) occurred during the first 2 weeks after ICU admission. However, in the confirmed SARS group, 5 (55.6%) of the 9 deaths occurred within the third or fourth week. This difference in timing between these 2 groups was significant (P = .004). Conclusions In a SARS ICU, patients with a confirmed diagnosis of SARS had significantly different clinical features and timing of mortality from those of the control group.

About: Abstract Purpose The aim of the study was to identify characteristic clinical features and outcomes of critically ill patients with confirmed severe acute respiratory syndrome (SARS). Materials and Methods This retrospective study enrolled all patients admitted to a 12-bed SARS intensive care unit (ICU) in a tertiary care medical center in Taipei between May 15 and July 17, 2003. Patients with positive results of either reverse transcriptase–polymerase chain reaction or antibody to SARS coronavirus were defined as SARS cases and others with negative results as control cases. Results Of the 50 patients, 14 had confirmed SARS. Demographics were similar between the 2 groups. The highest leukocyte and neutrophil counts, lactate dehydrogenase, and creatine kinase; positive end-expiratory pressure; and use of corticosteroids, ribavirin, and intravenous immunoglobulin were higher in the SARS group. In contrast, the lowest lymphocyte count and the ratio of Pao 2 to the fraction of inspired oxygen were lower in the SARS group. Of the 15 deaths in the control group, 12 (80%) occurred during the first 2 weeks after ICU admission. However, in the confirmed SARS group, 5 (55.6%) of the 9 deaths occurred within the third or fourth week. This difference in timing between these 2 groups was significant (P = .004). Conclusions In a SARS ICU, patients with a confirmed diagnosis of SARS had significantly different clinical features and timing of mortality from those of the control group.

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