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. 2013 Jul 1:8:164.
doi: 10.1186/1749-8090-8-164.

Risk factors for the development of reexpansion pulmonary edema in patients with spontaneous pneumothorax

Jeong-Seob Yoon  1 , Jong-Hui Suh, Si Young Choi, Jong Bum Kwon, Bae Young Lee, Sang Haak Lee, Chi Kyung Kim, Chan Beom Park
Affiliations

Risk factors for the development of reexpansion pulmonary edema in patients with spontaneous pneumothorax

Jeong-Seob Yoon et al. J Cardiothorac Surg. .

Abstract

Background: Reexpansion pulmonary edema (REPE) is known as a rare and fatal complication after tube thoracostomy.

Objectives: We investigated the risk factors for the development of REPE in patients with spontaneous pneumothorax.

Methods: We selected patients who were diagnosed with spontaneous pneumothorax and were initially treated with tube thoracostomy between August 1, 2003 and December 31, 2011. The patients' electronic medical records, including operative notes and chest x-ray and computed tomography scans, were reviewed.

Results: REPE developed in 49 of the 306 patients (16.0%). REPE was more common in patients with diabetes (14.3% vs 3.9%, P=0.004) or tension pneumothorax (46.8% vs 16.2%, P=0.000). The pneumothorax was larger in patients with REPE than without REPE (57.0±16.0% vs 34.2±17.6%, P=0.000), and the incidence of REPE increased with the size of pneumothorax. On multivariate analysis, diabetes mellitus [(odds ratio (OR)=9.93, P=0.003), and the size of pneumothorax (OR=1.07, P=0.000) were independent risk factors of REPE.

Conclusions: The presence of diabetes increases the risk of REPE development in patients with spontaneous pneumothorax. The risk of REPE also increases significantly with the size of pneumothorax.

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Figures

Figure 1
Figure 1
Measuring the size of pneumothorax. The area of pneumothorax were measured on a chest radiograph using an automated region of interest caculator in a picture archiving communication system.
Figure 2
Figure 2
The incidence of reexpansion pulmonary edema (REPE) increased with the size of pneumothorax. Gray rectangle, proportion of REPE; Black line, incidence of pneumothorax.
See this image and copyright information in PMC

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