Abstract
BackgroundThe aim of the present study was to evaluate the impact of BMI on the short-term outcomes of patients undergoing lung lobectomy.MethodsThis was a retrospective clinical cohort study conducted in a single institution to assess the short-term outcomes of obese patients undergoing lung resection. Intraoperative and postoperative parameters were compared between the two study subgroups: obese (BMI ≥30 kg/m2) and non-obese patients (BMI < 30 kg/m2).ResultsIn total, 203 patients were enrolled in the study (70 obese and 133 non-obese patients). Both study subgroups were comparable with regards to demographics, clinical data and surgical approach (thoracoscopy vs. thoracotomy). The surgery time was significantly longer in obese patients (p = 0.048). There was no difference in the frequency of intraoperative complications between the study subgroups (p = 0.635).The postoperative hospital stay was similar in both study subgroups (p = 0.366). A 30-day postoperative morbidity was higher in a subgroup of non-obese patients (33.8% vs. 21.7%), but the difference was not significant (p = 0.249). In the subgroup of non-obese patients, a higher frequency of mild and severe postoperative complications was observed. However, the differences between the study subgroups were not statistically significant due to the borderline p-value (p = 0.053). The 30-day postoperative mortality was comparable between obese and non-obese patients (p = 0.167).ConclusionsObesity does not increase the incidence and severity of intraoperative and postoperative complications after lung lobectomy. Slightly better outcomes in obese patients indicate that obesity paradox might be a reality in patients undergoing lung resection.
Highlights
The aim of the present study was to evaluate the impact of Body Mass Index (BMI) on the short-term outcomes of patients undergoing lung lobectomy
The aim of the present study was to investigate the impact of BMI on early postoperative outcomes in patients undergoing lung lobectomy
All patients who underwent pulmonary lobectomy due to lung cancer or benign pulmonary lesion were considered for eligibility of the study
Summary
The aim of the present study was to evaluate the impact of BMI on the short-term outcomes of patients undergoing lung lobectomy. Surgical resection presents the gold standard of treatment for patients with non–small-cell lung cancer. Several risk factors for the development of postoperative complications have been identified – age, smoking, obstructive pulmonary disease, cardiovascular disease, and ASA score [2, 3]. Excessive weight is a significant risk factor for intraabdominal perioperative complications, surgical site infections (SSI) and incisional hernias after abdominal surgery [4,5,6]. Obesity significantly increases the risk of postoperative complications like myocardial infarction, peripheral nerve injury, and respiratory or urinary tract infection [5]. The association between Body Mass Index (BMI) and postoperative complications after lung resection has not been investigated sufficiently till
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