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Comparison of Predicted Total Lung Capacity and Total Lung Capacity by Computed Tomography in Lung Transplantation Candidates

 Sung Ho Hwang  ;  Jin Gu Lee  ;  Tae Hoon Kim  ;  Hyo Chae Paik  ;  Chul Hwan Park  ;  Seokjin Haam 
 Yonsei Medical Journal, Vol.57(4) : 963-967, 2016 
Journal Title
 Yonsei Medical Journal 
Issue Date
PURPOSE: Lung size mismatch is a major cause of poor lung function and worse survival after lung transplantation (LTx). We compared predicted total lung capacity (pTLC) and TLC measured by chest computed tomography (TLC(CT)) in LTx candidates. MATERIALS AND METHODS: We reviewed the medical records of patients on waiting lists for LTx. According to the results of pulmonary function tests, patients were divided into an obstructive disease group and restrictive disease group. The differences between pTLC calculated using the equation of the European Respiratory Society and TLC(CT) were analyzed in each group. RESULTS: Ninety two patients met the criteria. Thirty five patients were included in the obstructive disease group, and 57 patients were included in the restrictive disease group. pTLC in the obstructive disease group (5.50±1.07 L) and restrictive disease group (5.57±1.03 L) had no statistical significance (p=0.747), while TLC(CT) in the restrictive disease group (3.17±1.15 L) was smaller than that I the obstructive disease group (4.21±1.38 L) (p<0.0001). TLC(CT)/pTLC was 0.770 in the obstructive disease group and 0.571 in the restrictive disease group. CONCLUSION: Regardless of pulmonary disease pattern, TLC(CT) was smaller than pTLC, and it was more apparent in restrictive lung disease. Therefore, we should consider the difference between TLC(CT) and pTLC, as well as lung disease patterns of candidates, in lung size matching for LTx.
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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
김태훈(Kim, Tae Hoon) ORCID logo https://orcid.org/0000-0003-3598-2529
박철환(Park, Chul Hwan) ORCID logo https://orcid.org/0000-0002-0004-9475
백효채(Paik, Hyo Chae) ORCID logo https://orcid.org/0000-0001-9309-8235
이진구(Lee, Jin Gu)
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