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  • Title: Risk factors of postoperative pulmonary complications after vascular surgery.
    Author: Vodinh J, Bonnet F, Touboul C, Lefloch JP, Becquemin JP, Harf A.
    Journal: Surgery; 1989 Mar; 105(3):360-5. PubMed ID: 2922676.
    Abstract:
    Smoking and chronic obstructive disease are common in patients who undergo vascular surgery. These patients seem especially at risk for postoperative respiratory complications (PRCs). The value of preoperative spirometric tests to determine the risk of PRC has been recently challenged. The current prospective study was undertaken to identify the risk factors of PRC in these patients. One hundred fifty-one patients, including 67 patients who underwent abdominal aortic surgery, were included in this study. Preoperative and peroperative parameters were collected and analyzed in a multivariate analysis. PRCs were classified as minor and major. A significantly prolonged postoperative hospital stay was associated with major complications (21.3 +/- 9.0 vs 14.3 +/- 6.0 days). The overall incidence of PRC was 37.1%, and the incidence of major PRC was 15.2%. Patients who underwent abdominal aortic surgery had a higher incidence of PRC (53%; major PRC, 24%). In addition to abdominal aortic surgery, other risk factors were chest deformation, recent bronchitis, duration of surgery, and FEV1/VC. In patients who underwent abdominal aortic surgery, the risk factors for major PRC were decreases in preoperative FEV1/VC and PaO2. This study confirms the importance of an evaluation of a patient's respiratory condition, especially by preoperative spirometry and blood gas analysis, to determine the risk of PRC in a given population. General risk factors, such as the American Society of Anesthesiologists' classification, fail to achieve this task. The identification of patients with unacceptable risks remains a challenge.
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