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Does oxygen therapy increase the resolution rate of primary spontaneous pneumothorax?

  
@article{JTD17314,
	author = {Chan Beom Park and Mi Hyoung Moon and Hyun Woo Jeon and Deog Gon Cho and Sun Wha Song and Yoo Dong Won and Yong Hwan Kim and Young-Du Kim and Seong Cheol Jeong and Kyung Soo Kim and Si Young Choi},
	title = {Does oxygen therapy increase the resolution rate of primary spontaneous pneumothorax?},
	journal = {Journal of Thoracic Disease},
	volume = {9},
	number = {12},
	year = {2017},
	keywords = {},
	abstract = {Background: Patients with small pneumothoraces are usually treated with oxygen therapy. However, evidence that oxygen therapy increases resolution rate is based on small populations with secondary spontaneous pneumothorax. Therefore, this study aimed to confirm whether oxygen therapy increases the resolution rate of primary spontaneous pneumothorax (PSP).
Methods: We retrospectively reviewed records of patients with PSP who had undergone outpatient observation (room air group) and those who were admitted for oxygen therapy (O2 group) between March 2005 and February 2016. The initial chest posteroanterior (PA) radiograph was compared with the last chest PA radiograph before the pneumothorax disappeared. The size of the pneumothorax was measured using the Collins’ method.
Results: A total of 175 episodes were identified in 160 patients. Of these, 128 episodes (73.1%) occurred in patients in the O2 group. The mean age was 19.24±4.74 years. The mean initial size of the pneumothorax was smaller in the room air group (23.32%±7.00% vs. 20.26%±6.78%, P=0.011). The resolution rate was higher in the OO2 group [(4.27%±1.97%) vs. (2.06%±0.97%)/day, P},
	issn = {2077-6624},	url = {http://jtd.amegroups.com/article/view/17314}
}