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Lung function impairment is not associated with the severity of acute coronary syndrome but is associated with a shorter stay in the coronary care unit

   
@article{JTD22574,
	author = {Fernando Casas-Méndez and Alicia Sánchez-de-la-Torre and Joan Valls and Manuel Sánchez-de-la-Torre and Jorge Abad and Joaquin Duran-Cantolla and Valentin Cabriada and Juan Fernando Masa and Joaquin Teran and Gerard Castella and Fernando Worner and Ferran Barbé and on behalf of the Spanish Sleep Network},
	title = {Lung function impairment is not associated with the severity of acute coronary syndrome but is associated with a shorter stay in the coronary care unit},
	journal = {Journal of Thoracic Disease},
	volume = {10},
	number = {7},
	year = {2018},
	keywords = {},
	abstract = {Background: Previous population-based studies have suggested that lung function impairment (LFI) could be associated with an increase in the mortality of cardiovascular events. 
Methods: We evaluated the association between LFI and the severity and short-term prognosis of acute coronary syndrome (ACS). LFI was established through presence of a forced expiratory volume in one second (FEV1) and/or a forced vital capacity (FVC) less than 80% of predicted. 
Results: Seventy-one LFI subjects (61.45±10.70 years, 83.10% males) and 247 non-LFI subjects (58.98±11.18 years, 80.57% males) with ACS were included. Subjects with LFI exhibited a higher prevalence of systemic hypertension (57.75% vs. 40.89%, P=0.02) and tobacco exposure (28.50±26.67 vs. 18.21±19.83 pack-years, P=0.007). No significant differences between groups were found regarding the severity of ACS (ejection fraction, Killip class, number of affected vessels, and peak plasma troponin). However, in comparison to non-LFI subjects, a significantly shorter length of stay in the coronary care unit (CCU) was observed in the LFI group (1.83±1.10 vs. 2.24±1.21 days, P=0.01) and this was even shorter in subjects with obstructive LFI (1.62±1.17 days, P=0.009). When considering obstructive sleep apnea (OSA), an interaction with length of stay was found, revealing that OSA subjects with obstructive LFI had the shortest length of stay in the CCU (0.60±0.89 days, P=0.05) also in comparison to non-LFI.
Conclusions: This study indicates a possible association between LFI and a shorter length of stay in the CCU but does not show a significant association with ACS severity.},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/22574}
}