科研之友
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摘要
background: respiratory complications have been the focus of studies aiming to identify methods of reducing postoperative morbidity/mortality and controlling the cost of treatment. objectives: to estimate the incidence of the respiratory complications in patients submitted to elective or urgent/emergency surgical procedures and determine any correlations between respiratory complications and potential risk factors. method: a retrospective cohort study of patients submitted to elective or urgent/emergency surgery at a university hospital during 2001. the sample was restricted to patients hospitalized for at least 24 hours following surgery. data were collected from patient charts and according to protocol. results: of the 5075 patients submitted to elective or urgent/emergency surgery during the year 2001, 1345 (25.5%) were included in the study. there was no statistically significant difference between elective surgery and urgent/emergency surgery in terms of respiratory complications. the incidence of respiratory complications was 11.7%. the most frequent complication (at 52.5%) was pneumonia. overall mortality was 7.2% and 27.8% of deaths were related to respiratory complications. conclusion: the incidence of postoperative respiratory complications was 11.7% (11.3% in elective surgery and 12.3% in urgent/emergency surgery). pneumonia was the most frequent complication. the risk factors that correlated with respiratory complications were previous lung disease, use of a nasogastric tube, admission to the intensive care unit, endotracheal intubation and tracheostomy.
