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Inferior Pulmonary Ligament Division May Be Unnecessary during Left Upper Lobectomy: Effects on Lung Volume, Bronchial Angle and Bronchial Tortuosity

Authors
 Duk Hwan Moon  ;  Chul Hwan Park  ;  Joon Ho Jung  ;  Tae Hoon Kim  ;  Seok Jin Haam  ;  Sungsoo Lee 
Citation
 JOURNAL OF CLINICAL MEDICINE, Vol.10(18) : 4033, 2021-09 
Journal Title
JOURNAL OF CLINICAL MEDICINE
Issue Date
2021-09
Keywords
bronchial angle ; bronchial tortuosity ; computed tomography ; inferior pulmonary ligament ; lobectomy ; lung volume
Abstract
The benefits of dissecting inferior pulmonary ligament (IPL) during upper lobectomy using video-assisted thoracoscopic surgery (VATS) for early-stage lung cancer remains controversial. This study evaluates the effect of IPL dissection by comparing the lung volume, bronchial angle, and bronchial tortuosity of the left lower lobe (LLL) during VATS upper lobectomy. Medical records of all patients who underwent VATS left upper lobectomy for early-stage lung cancer were evaluated. Patients were divided into group P (preservation) and group D (dissection). Pre- and post-surgery lung volumes, bronchial angles (angle 1: axial angulation; angle 2: vertical angulation), and bronchial tortuosity (curvature index of the left main bronchus) were measured using computed tomography images for comparison. Forty patients were included in each group. Patient characteristics such as age, gender, body mass index, and smoking status, and preoperative lung volume, bronchial angles, and tortuosity were not significantly different between the two groups, and there was no statistically significant difference in the axial and vertical angulations; however, the change in pre- and postoperative bronchial tortuosity (0.03 ± 0.03 vs. 0.06 ± 0.03) and lung volume (-558.1 ± 410.0 mL vs. -736.3 ± 382.7 mL) showed a significant difference (p < 0.001 and p = 0.04, respectively). Preservation of IPLs during left upper lobectomy may be beneficial for LLL expansion and induces less movement and positional change in the left main bronchus.
Files in This Item:
T202104991.pdf Download
DOI
10.3390/jcm10184033
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Tae Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-3598-2529
Moon, Duk Hwan(문덕환)
Park, Chul Hwan(박철환) ORCID logo https://orcid.org/0000-0002-0004-9475
Lee, Sung Soo(이성수) ORCID logo https://orcid.org/0000-0001-8998-9510
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187058
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