Analysis of Factors Affecting Prolonged Air Leak and Expansion Failure in the Lung after Resection in Patients with Pulmonary Malignancy and Predictive Value of Preoperative Quantitative Chest Computed Tomography.
Gizem Kececi Ozgur, Hasan Yavuz, Alpaslan Cakan, Kevser Durgun, Ayse Gul Ergonul, Tevfik Ilker Akcam, Ali Özdil, Selen Bayraktaroglu, Kutsal Turhan, Ufuk Cagirici
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引用次数: 0
Abstract
Background: The factors affecting the prolonged air leak (PAL) and expansion failure in the lung in patients undergoing resection for lung malignancy were analyzed. In this context, the value of the percentage of low attenuation area (LAA%) measured on preoperative quantitative chest computed tomography (Q-: CT) in predicting the development of postoperative PAL and the expansion time of the remaining lung (ET) in patients undergoing resection for lung malignancy was investigated.
Methods: The data of 202 cases who underwent lung resection between July 2020 and December 2022 were analyzed. The factors affecting the development of PAL and ET were investigated using univariate and multivariate analyses. The cut-off value for LAA% was determined and its relationship with postoperative results was examined.
Results: In univariate analyses, for PAL, age (p = 0.022), presence of chronic obstructive pulmonary disease (COPD; p < 0.001), body mass index (BMI; p = 0.006), FEV1 (p = 0.020), FEV1/FVC (p < 0.001), LAA% (p = 0.008), diagnosis (p = 0.007), and surgical procedure (p < 0.001); for ET, diagnosis (p < 0.001) and surgical procedure (p = 0.001) were significant factors. A negative correlation between ET and BMI and FEV1/FVC (p < 0.01) and a positive correlation (p < 0.05) was detected with LAA%. The cut-off value for LAA% was calculated as 1.065. Multivariate analyses showed that the probability of developing PAL, increased 3.17-, 7.68-, and 3.08-fold in patients with COPD, lobectomy, and those above the cut-off value for LAA%, respectively (p = 0.045, p < 0.001, and p = 0.011). In addition, FEV1/FVC (p = 0.027), BMI (p = 0.016), and surgical procedure (p = 0.001) were shown to be independent factors affecting ET.
Conclusion: Our study revealed the factors affecting PAL and expansion failure in the lung. Within this scope, it was concluded that preoperative Q-CT may have an important role in predicting the development of PAL and ET in the postoperative period and that LAA% measurement is an effective, objective, and practical method for taking precautions against possible complications.
期刊介绍：
The Thoracic and Cardiovascular Surgeon publishes articles of the highest standard from internationally recognized thoracic and cardiovascular surgeons, cardiologists, anesthesiologists, physiologists, and pathologists. This journal is an essential resource for anyone working in this field.
Original articles, short communications, reviews and important meeting announcements keep you abreast of key clinical advances, as well as providing the theoretical background of cardiovascular and thoracic surgery. Case reports are published in our Open Access companion journal The Thoracic and Cardiovascular Surgeon Reports.
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