• Sheng-biao Wang, Ye-ping Cai, Yi-fan Chen, Sheng-an Zhang, Liang Chen, and Yun-feng Li.
• Department of General Intensive Care Unit, the Central Hospital of the First People's Hospital, Chenzhou 423000, Hunan, China. wangsbiao@163.com
• Zhongguo Wei Zhong Bing Ji Jiu Yi Xue. 2007 Feb 1;19(2):98-100.

ObjectiveTo analyze risk factors in patients receiving mechanical ventilation in intensive care unit (ICU).MethodsThe study group consisted of 42 patients receiving mechanical ventilation for longer than 7 days. The general condition, primary diseases, the vital signs before ventilation, accessory examination, acute physiology and chronic health evaluation II (APACHE II) score, and the time of tracheostomy were collected. The patients were divided into two groups of deceased or survived when the mechanical ventilation was weaned. Comparative analysis of all the data was made with Logistic multiple regression.ResultsOf the patients enrolled in the study, 22 (52.4%) survived and 20 (47.6%) died in the ICU. Difference in clinical data between death group and survival group was significant (P<0.05). In death group, the APACHE II score, the pressure adjusted heart rate (PAR), the level of blood urea nitrogen (BUN) were higher (all P<0.01), while the level of plasma albumin (ALB), the level of hematocrit (HCT) value, the amount of platelets (PLT) were lower (P<0.05 or P<0.01), and the time of tracheostomy was later compared with those of survival group (P<0.05). There were no significant differences in the time of mechanical ventilation, white blood cells (WBC) and incidence of ventilator-associated pneumonia (VAP) between two groups (all P>0.05). With Logistic multiple regression analysis, the time of tracheostomy, the levels of HCT value, the amount of PLT were correlated with requirement of long-term mechanical ventilation (LTMV) (P<0.05 or P<0.01).ConclusionThe time of tracheostomy, the levels of HCT value, the amount of PLT were independent risk factors associated with patients requiring LTMV.

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