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Early Postoperative Pneumothorax Might Not Be 'True' Recurrence

Authors
 Wongi Woo  ;  Chong Hoon Kim  ;  Bong Jun Kim  ;  Seung Hwan Song  ;  Duk Hwan Moon  ;  Du-Young Kang  ;  Sungsoo Lee 
Citation
 JOURNAL OF CLINICAL MEDICINE, Vol.10(23) : 5687, 2021-12 
Journal Title
JOURNAL OF CLINICAL MEDICINE
Issue Date
2021-12
Keywords
VATS ; bullectomy ; pneumothorax ; recurrence of pneumothorax
Abstract
Objectives: To date, there is no consensual definition of what constitutes a postoperative recurrence of primary spontaneous pneumothorax (PSP), despite there being many studies reporting a high incidence of recurrence. This study aims to describe the long-term recurrence rates of pneumothorax and to suggest a possible way to differentiate recurrence events based on temporal patterns.

Methods: This single-center study retrospectively evaluated all postoperative recurrence of PSP from January 2007 to May 2019. Patients' demographics, history of pneumothorax, radiologic data, surgical technique, and the time between operation and recurrence were analyzed. Univariate and multivariable analyses were conducted to find potential risk factors related to long-term recurrence.

Results: Of the 77 postoperative recurrent cases of pneumothorax, 21 (27.2%) occurred within 30 days after surgery and, thus, were classified as early recurrences (ER), while the remaining cases were classified as late recurrences (LR). There was no difference in preoperative variables between the two groups. However, the rate of incidence of second recurrence (SR), which represented a long-term prognosis, was significantly higher in the LR group (28.6% vs. 4.8%, p = 0.030). On univariate and multivariable analyses, late recurrence was the only significant factor predicting later recurrence events.

Conclusion: Postoperative recurrence (PoR) within 30 days had a lower SR rate. Therefore, it might not be a 'true' postoperative recurrence with a favorable prognosis. Further studies investigating postoperative recurrence based on temporal patterns would be warranted to improve the classification of PoR.
Files in This Item:
T202125269.pdf Download
DOI
10.3390/jcm10235687
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Bong Joon(김봉준)
Kim, Chong Hoon(김종훈)
Moon, Duk Hwan(문덕환)
Lee, Sung Soo(이성수) ORCID logo https://orcid.org/0000-0001-8998-9510
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187759
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