慢性阻塞性肺病患者夜間低氧血癥相關(guān)預(yù)測(cè)因素分析
[Abstract]:Objective: to study the predictive factors of hypoxemia during night sleep in patients with chronic obstructive pulmonary disease (COPD) in order to facilitate early diagnosis and treatment and delay the occurrence of complications. Methods: the daytime lung function of 45 patients with COPD (excluding sleep apnea hypopnea syndrome) diagnosed in Department of Respiratory Medicine, third affiliated Hospital of Anhui Medical University from June 2010 to December 2011 was studied. Arterial blood gas and nocturnal blood oxygen levels were compared and analyzed with 30 normal controls. Results: the nocturnal mean oxygen saturation (MSaO2) and nocturnal minimum oxygen saturation (LSaO2) in COPD patients were significantly lower than those in normal controls (P0.05). According to the distribution of blood oxygen, the percentage of arterial oxygen saturation (Sa02) to sleep time (T90) in patients with COPD was significantly higher than that in normal subjects (P0.01). Correlation analysis showed that the absolute value of forced expiratory volume (FEV1) in daytime Sa02, was correlated with MSaO2 at night (r = 0.704 鹵0.435, P0.01). The prediction formula of nocturnal blood oxygen level was established: MSaO2 (%) = 0.536 脳 day Sa02 (%) 2.35 脳 FEV1 absolute value (L) 38.805. The absolute value of daytime SaO2,FEV1 is related to the distribution of oxygen saturation during nighttime sleep. Conclusion: the level and distribution of blood oxygen in patients with COPD may be predicted by the absolute value of daytime SaO2,FEV1.
【學(xué)位授予單位】:安徽醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類(lèi)號(hào)】:R563.9
【參考文獻(xiàn)】
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