• Ai-Chin Cheng, Kuang-Ming Liao, Chung-Han Ho, Chih-Cheng Lai, Chien-Ming Chao, Chong-Chi Chiu, Shyh-Ren Chiang, Kuo-Chen Cheng, and Chin-Ming Chen.
• Division of Respiratory Therapy, Department of Internal Medicine, Chi Mei Medical Center.
• Medicine (Baltimore). 2020 Sep 18; 99 (38): e21970.

AbstractThe main objective of this study was to evaluate the outcomes of extremely elderly patients receiving orotracheal intubation and mechanical ventilation after planned extubation. This retrospective cohort study included extremely elderly patients (>90 years) who received mechanical ventilation and passed planned extubation. We reviewed all intensive care unit patients in a medical center between January 1, 2010, and December 31, 2017. There were 19,518 patients (aged between 20 and 105 years) during the study period. After application of the exclusion criteria, there were 213 patients who underwent planned extubation: 166 patients survived, and 47 patients died. Compared with the mortality group, the survival group had lower Acute Physiology and Chronic Health Evaluation II scores and higher Glasgow Coma Scale (GCS) scores, with scores of 19.7 ± 6.5 (mean ± standard deviation) vs 22.2 ± 6.0 (P = .015) and 9.5 ± 3.5 vs 8.0 ± 3.0 (P = .007), respectively. The laboratory data revealed no significant difference between the survival and mortality groups except for blood urea nitrogen (BUN) and hemoglobin. After multivariate logistic regression analysis, a lower GCS, a higher BUN level, weaning beginning 3 days after intubation and reintubation during hospitalization were associated with poor prognosis. In this cohort of extremely elderly patients undergoing planned extubation, a lower GCS, a higher BUN level, weaning beginning 3 days after intubation and reintubation during hospitalization were associated with mortality.

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