Yo Kawaguchi1,2, Jun Hanaoka3, Yasuhiko Ohshio3, Tomoyuki Igarashi3, Yoko Kataoka3, Keigo Okamoto3, Ryosuke Kaku3, Kazuki Hayashi3. 1. Division of General Thoracic Surgery, Department of Surgery, Shiga University of Medical Science, Tsukinowacho, Seta, Otsu, Shiga, 502-2192, Japan. kawaguchi1228@yahoo.co.jp. 2. Division of General Thoracic Surgery, Kusatsu General Hospital, Kusatsu, Shiga, Japan. kawaguchi1228@yahoo.co.jp. 3. Division of General Thoracic Surgery, Department of Surgery, Shiga University of Medical Science, Tsukinowacho, Seta, Otsu, Shiga, 502-2192, Japan.
Abstract
OBJECTIVE: In elderly patients with lung cancer, the presumed fear of postoperative complications has resulted in the delivery of limited resection. Surgical decision-making for such patients would become easier if clinicians could predict who is at high risk of postoperative complications. The purpose of this study is to propose a scoring system to predict the risk of postoperative complications for elderly patients with lung cancer. METHODS: We reviewed patients aged 75 years or older who underwent lobectomy for lung cancer at a single hospital (n = 199). A multivariable logistic regression model was utilized to determine risk factors for postoperative complications. RESULTS: Six risk factors for postoperative complications were identified, and we derived a risk score by assigning weights to these factors based on their odds ratios, as follows: Risk score = 7 × (performance status of 2) + 6 × (coronary artery disease) + 3 × (a history of cerebrovascular accident) + 2 × (restrictive ventilatory impairment) + 1 × (male sex) + 1 × (interstitial pneumonia). The postoperative complication rates in patients with risk scores of 0, 1-2, 3-5, 6-8, and 9-14 were 19, 29, 56, 68, and 90%, respectively. CONCLUSIONS: The proposed risk score was able to predict the incidence of postoperative complications. The risk score can be used to identify high-risk patients and to select proper treatment strategies.
OBJECTIVE: In elderly patients with lung cancer, the presumed fear of postoperative complications has resulted in the delivery of limited resection. Surgical decision-making for such patients would become easier if clinicians could predict who is at high risk of postoperative complications. The purpose of this study is to propose a scoring system to predict the risk of postoperative complications for elderly patients with lung cancer. METHODS: We reviewed patients aged 75 years or older who underwent lobectomy for lung cancer at a single hospital (n = 199). A multivariable logistic regression model was utilized to determine risk factors for postoperative complications. RESULTS: Six risk factors for postoperative complications were identified, and we derived a risk score by assigning weights to these factors based on their odds ratios, as follows: Risk score = 7 × (performance status of 2) + 6 × (coronary artery disease) + 3 × (a history of cerebrovascular accident) + 2 × (restrictive ventilatory impairment) + 1 × (male sex) + 1 × (interstitial pneumonia). The postoperative complication rates in patients with risk scores of 0, 1-2, 3-5, 6-8, and 9-14 were 19, 29, 56, 68, and 90%, respectively. CONCLUSIONS: The proposed risk score was able to predict the incidence of postoperative complications. The risk score can be used to identify high-risk patients and to select proper treatment strategies.
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