Surgery for lung tumors in the elderly: A retrospective cohort study on the influence of advanced age (over 80 years) on the development of complications by using a multivariate risk model.

Surgery for lung tumors in the elderly: A retrospective cohort study on the influence of advanced age (over 80 years) on the development of complications by using a multivariate risk model.

Int J Surg. 2018 Feb 24;:

Authors: Stamenovic D, Messerschmidt A, Schneider T

Abstract
BACKGROUND: The prevalence of lung cancer and other tumors is increasing among the elderly people. The purpose of this study was to examine the influence of advanced age (80 + years) on the immediate perioperative outcome as well as to define potential risk factors that may lead to increasing morbidity and mortality after lung resections.
METHODS: A retrospective cohort analysis of the data from an electronic database of 208 elderly patients (165 patients ≥70 years, 45 patients ≥80 years) undergoing pulmonary anatomical resection for lung tumors during January 2013-December 2016 was conducted. The patients were initially observed and then divided into two groups: septuagenarians and octogenarians. The risk of developing postoperative complications in association with the numerous observed factors, which appeared significant in univariate tests, was assessed using univariate and multivariate logistic regression analyses to construct a risk model that assesses the highest chance of developing complications. Readmission rate and mortality within 90 days were recorded.
RESULTS: There were 140 men and 68 women with the mean age of 76 ± 4 years. A total of 15 pneumonectomies (7.2%), 11 bilobectomies (5.3%), 27 segmentectomies (13%), and 155 lobectomies (74.5%) were performed through 84 thoracotomies (40.4%) and 124 video-assisted thoracoscopic surgery (VATS) procedures (59.6%). Ninety-one patients (44%) exhibited at least one of 113 postoperative complications. There were four deaths (1.9%). Readmission rate was 12%, and 90-day mortality was 5.3%. There was no difference in postoperative morbidity among the groups according to their age (RR = 0.95; p = 78). According to multivariate logistic regression, adjusted Charlson Comorbidity Index≥11, FEV1≤0.72, DLCO≤0.57, male gender, and nonsegmentectomies appeared to be strong predictors for the development of complications.
CONCLUSIONS: In this cohort, age more than 80 years was not found to be significant for the development of complications, when compared to the septuagenarians. Female gender, better lung function (FEV1>72%, DLCO>57%), less comorbidities (ACCI<11), and segmentectomy type of lung resection were associated with improved outcomes.

PMID: 29486244 [PubMed - as supplied by publisher]

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