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Effectiveness of Ambulatory Tru-Close Thoracic Vent for the Outpatient Management of Pneumothorax: A Prospective Pilot Study

 Yong Pyo Kim  ;  Seok Jin Haam  ;  Sungsoo Lee  ;  Geun Dong Lee  ;  Seung-Moon Joo  ;  Tae Jun Yum  ;  Kwang-Hun Lee 
 KOREAN JOURNAL OF RADIOLOGY, Vol.18(3) : 519-525, 2017 
Journal Title
Issue Date
Outpatient management ; Pneumothorax ; Thoracic vent ; Tru-Close
OBJECTIVE: This study aimed to assess the technical feasibility, procedural safety, and long-term therapeutic efficacy of a small-sized ambulatory thoracic vent (TV) device for the treatment of pneumothorax.

MATERIALS AND METHODS: From November 2012 to July 2013, 18 consecutive patients (3 females, 15 males) aged 16-64 years (mean: 34.7 ± 14.9 years, median: 29 years) were enrolled prospectively. Of these, 15 patients had spontaneous pneumothorax and 3 had iatrogenic pneumothorax. A Tru-Close TV with a small-bore (11- or 13-Fr) catheter was inserted under bi-plane fluoroscopic assistance.

RESULTS: Technical success was achieved in all patients. Complete lung re-expansion was achieved at 24 hours in 88.9% of patients (16/18 patients). All patients tolerated the procedure and no major complications occurred. The patients' mean numeric pain intensity score was 2.4 (range: 0-5) in daily life activity during the TV treatment. All patients with spontaneous pneumothorax underwent outpatient follow-up. The mean time to TV removal was 4.7 (3-13) days. Early surgical conversion rate of 16.7% (3/18 patients) occurred in 2 patients with incomplete lung expansion and 1 patient with immediate pneumothorax recurrence post-TV removal; and late surgical conversion occurred in 2 of 18 patients (11.1%). The recurrence-free long-term success rate was 72.2% (13/18 patients) during a 3-year follow-up period from November 2012 to June 2016.

CONCLUSION: TV application was a simple, safe, and technically feasible procedure in an outpatient clinic, with an acceptable long-term recurrence-free rate. Thus, TV could be useful for the immediate treatment of pneumothorax.
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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
Kim, Yong Pyo(김용표)
Yum, Tae Jun(염태준)
Lee, Kwang Hun(이광훈)
Lee, Geun Dong(이근동)
Lee, Sung Soo(이성수) ORCID logo https://orcid.org/0000-0001-8998-9510
Joo, Seung Moon(주승문) ORCID logo https://orcid.org/0000-0002-0647-2880
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