Hui Cao1, Yuanyuan Xu2, Chaoyang Tong3,1, Deyuan Li3, Hui Zhang3, Meiying Xu1, Yan Luo3, Jingxiang Wu4. 1. Department of Anesthesiology, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 Huaihai Rd. West, Shanghai, China. 2. Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, China. 3. Department of Anesthesiology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. 4. Department of Anesthesiology, Shanghai Chest Hospital, Shanghai Jiao Tong University, No. 241 Huaihai Rd. West, Shanghai, China. tcysjtu@163.com.
Abstract
BACKGROUND: Readmission to intensive care unit (ICU) after esophageal cancer surgery is a major concern and can be associated with increased adverse outcomes. This study aims to explore causes, risk factors and early outcomes. METHODS: We performed a monocentric retrospective analysis in 1140 patients who received esophageal cancer surgery in a higher volume surgeon group between January 2016 and December 2019, at Shanghai Chest Hospital. Univariate and multivariate analysis were performed to identify risk factors, and 1:4 propensity score matching (PSM) analysis was conducted to compare early outcomes. RESULTS: The incidence of ICU readmission was about 3.8% (43 of 1140). The most common cause was respiratory failure, found in 30 patients (70%). ICU readmission mainly occurred within 3 days after surgery, accounting for 46.5% (20 of 43), with the median length of stay was 3 days. Multivariate analysis identified heavy smoking (odds ratio[OR] = 2.445, 95% CI = 1.128 to 5.301, P = 0.024), intraoperative hypoxemia (OR = 2.461, 95% CI = 1.078 to 5.621, P = 0.033), mechanical ventilation during initial ICU stay (OR = 16.036, 95% CI = 7.332 to 35.074, P < 0.001), postoperative anemia (OR = 3.993, 95% CI = 1.893 to 8.420, P < 0.001) and unplanned reoperation (OR = 45.378, 95% CI = 13.023 to 158.122, P < 0.001) as independent risk factors for ICU readmission. Compared with no-readmitted patients, patients readmitted to ICU were associated with increased postoperative pulmonary complications (44.2% vs 97.7%, P < 0.001), prolonged median length of hospital stay (9[7-11] vs 19[13-30], P < 0.001) and ICU stay (1[1-3] vs 7[4-11], P < 0.001), higher hospitalization expenses (14,916 ± 3483 vs 19,850 ± 7595 dollars, P < 0.001) and 30-day readmission rates (1.8% vs 9.3%, P = 0.011). After 1:4 PSM, the baseline characteristics were comparable and the matched results were similar. CONCLUSIONS: This study identified five independent risk factors for ICU readmission, which were associated with adverse early outcomes. Preemptive attention given to pulmonary complications within three days after surgery may be important to prevent patients from ICU readmission.
BACKGROUND: Readmission to intensive care unit (ICU) after esophageal cancer surgery is a major concern and can be associated with increased adverse outcomes. This study aims to explore causes, risk factors and early outcomes. METHODS: We performed a monocentric retrospective analysis in 1140 patients who received esophageal cancer surgery in a higher volume surgeon group between January 2016 and December 2019, at Shanghai Chest Hospital. Univariate and multivariate analysis were performed to identify risk factors, and 1:4 propensity score matching (PSM) analysis was conducted to compare early outcomes. RESULTS: The incidence of ICU readmission was about 3.8% (43 of 1140). The most common cause was respiratory failure, found in 30 patients (70%). ICU readmission mainly occurred within 3 days after surgery, accounting for 46.5% (20 of 43), with the median length of stay was 3 days. Multivariate analysis identified heavy smoking (odds ratio[OR] = 2.445, 95% CI = 1.128 to 5.301, P = 0.024), intraoperative hypoxemia (OR = 2.461, 95% CI = 1.078 to 5.621, P = 0.033), mechanical ventilation during initial ICU stay (OR = 16.036, 95% CI = 7.332 to 35.074, P < 0.001), postoperative anemia (OR = 3.993, 95% CI = 1.893 to 8.420, P < 0.001) and unplanned reoperation (OR = 45.378, 95% CI = 13.023 to 158.122, P < 0.001) as independent risk factors for ICU readmission. Compared with no-readmitted patients, patients readmitted to ICU were associated with increased postoperative pulmonary complications (44.2% vs 97.7%, P < 0.001), prolonged median length of hospital stay (9[7-11] vs 19[13-30], P < 0.001) and ICU stay (1[1-3] vs 7[4-11], P < 0.001), higher hospitalization expenses (14,916 ± 3483 vs 19,850 ± 7595 dollars, P < 0.001) and 30-day readmission rates (1.8% vs 9.3%, P = 0.011). After 1:4 PSM, the baseline characteristics were comparable and the matched results were similar. CONCLUSIONS: This study identified five independent risk factors for ICU readmission, which were associated with adverse early outcomes. Preemptive attention given to pulmonary complications within three days after surgery may be important to prevent patients from ICU readmission.
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