• Chia-Chen Chu, Chin-Jung Liu, Chuen-Ming Shih, Pei-Tseng Kung, Yuh-Show Tsai, and Wen-Chen Tsai.
• Department of Respiratory Therapy Department of Respiratory Therapy Department of Biomedical Engineering, Chung-Yuan Christian University, Jhongli, Taiwan.
• Respir Care. 2015 Dec 1; 60 (12): 1786-95.

BackgroundReadmission of mechanically ventilated patients to an ICU within 7 d reflects not only patient safety but also the quality of care of the ICU. This study aimed to investigate the risk and related factors for readmission to an ICU within 7 d in mechanically ventilated subjects.MethodsA total of 658,452 mechanically ventilated subjects discharged from an ICU whose age was ≥ 17 y old were obtained from the Taiwan National Health Insurance Research Database for the period from January 1, 2005, to December 31, 2011. The study applied a generalized estimating equation logistic regression model to explore whether the mechanically ventilated subjects were readmitted within 7 d or not and the related factors.ResultsA total of 29,657 subjects were readmitted to the ICU within 7 d; the total readmission rate was 4.5%. Also, 64.8% of the subjects with the same diagnosis were returned to the ICU within 7 d. Generalized estimating equation logistic regression model results showed that the factors related to higher risk of readmission were male sex, old age, higher comorbidity score, complications (eg, pneumothorax, subcutaneous emphysema, pneumonia, oxygen toxicity, pulmonary embolism, or pulmonary edema), use of a private hospital ICU, ICU stay ≥21 d, transfer to a respiratory care center and respiratory care ward, and subsequent transfer to the regional hospital or district hospital.ConclusionsThe risk and related factors of a mechanically ventilated subject whose age is ≥ 17 y old being readmitted to the ICU within 7 d include subject characteristics, health status, hospital attributes, and the length of ICU stay. Therefore, higher risk subjects should receive attention and assessment before transfer or discharge from the ICU to prevent readmission.Copyright © 2015 by Daedalus Enterprises.

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