• Kuan-Han Wu, Shih-Yu Cheng, and Tsung-Cheng Tsai.
• Department of Emergency Medicine, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung County 833, Taiwan.
• Am J Emerg Med. 2013 Oct 1;31(10):1490-4.

ObjectivesThe aims of this study were (1) to identify the characteristics of patients who return to the emergency department (ED) within 72 hours and are admitted to the hospital and (2) to identify the characteristics and predictors of in-hospital mortality subgroup.MethodsThis study was conducted in a tertiary teaching hospital to identify characteristics of adult nontraumatic revisit-admission patients from January 1 to December 31, 2011. Demographic data, cause of revisit, and the underlying diseases as well as the in-hospital complications were reviewed.ResultsOf the 72188 ED discharged patients, 690 revisit-admission patients were enrolled. The top 3 disease classifications were infection (38.7%), neurology (11.3%), and gastroenterology (11.2%). The etiology of the revisit included recurrent symptoms (72%), disease complications (15.8%), and inadequate diagnosis (12.1%). A total of 150 patients (21.7%) had complications, including receiving operation (17.2%), intensive care unit admission (4.2%), and cardiovascular conditions (2.5%). Forty-nine patients (7.1%) died during hospitalization owing to sepsis (57.1%), malignancy (34.7%), cardiogenic diseases (4.1%), and cerebrovascular conditions (4.1%). The nonsurvival group was older (64.1 ± 15.3 vs 55.7 ± 17.8; P < .001), had more patients with a diagnosis of moderate to severe liver disease (18.4% vs 4.8%; P < .001), malignancy (69.3% vs 20.1%; P < .001), and metastatic solid tumor (38.8% vs 6.2%; P < .001).ConclusionsAge and diagnosis with malignancy, metastatic tumors, or moderate-to-severe liver disease were predictors of in-hospital mortality among 72-hour revisit-admission patients.© 2013.

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