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Effect of bilevel positive airway pressure ventilation on plasma level of N-terminal pro-brain natriuretic peptide in patients with chronic pulmonary heart disease and hypercapnic respiratory failure / 中华老年医学杂志
Chinese Journal of Geriatrics ; (12): 1157-1160, 2014.
Article in Chinese | WPRIM | ID: wpr-469956
ABSTRACT
Objective To investigate the effect of bilevel positive airway pressure (BiPAP) ventilation on N terminal pro-brain natriuretic peptide (N proBNP) in patients with chronic pulmonary heart disease (CPHD) and hypercapnic respiratory failure.Methods Eighty patients with CPHD and hypercapnic respiratory failure were randomized into the conventional group (n=40) and BiPAP ventilation group (n=40).The COPD assessment test (CAT) score,APACHE Ⅱ score,arterial blood gas were measured and plasma level of N proBNP was detected by electrochemiluminescence immunoassay before and 120 h after treatment.The correlations of plasma N-proBNP levels with CAT scores,APACHE Ⅱ scores,levels of PaO2 and PaCO2 were analyzed.Results The plasma NT-proBNP level had positive correlations with PaCO2 level (r=0.539,P =0.003),CAT score (r=0.506,P=0.002,APACHEⅡ score (r=0.603,P=0.003),and had negative correlation with PaO2 level (r=-0.465,P=0.014) in the patients with CPHD and hypercapnic respiratory failure before treatment.Compared with pre-treatment,the scores of CAT and APACHE Ⅱ,the levels of PaO2 and PaCO2 were significantly improved 120 h after treatment.The improvements in APACHE Ⅱ,PaO2 and PaCO2 were more obviously significant in BiPAP ventilation group than in conventional group (t=5.55,5.92,4.12,respectively,P=0.002,0.001 and 0.000).The plasma levels of NT proBNP in both conventional and BiPAP ventilation groups were significantly descended 120 h after treatment than pre-treatment [(341.2±107.6) ng/L vs.(823.8±149.0) ng/L,(273.3±82.2) ng/L vs.(832.7± 163.0) ng/L,t=21.72,28.19,both P<0.001],and the decrease of NT-proBNP level was more significantly in BiPAP ventilation group than in conventional group (t=4.17,P=0.002).Conclusions Plasma NT-proBNP level can reflect the severity of chronic pulmonary heart disease combined with hypercapnic respiratory failure.BiPAP ventilation can decrease the plasma level of NT proBNP in patients with CPHD and hypercapnic respiratory failure,which is an effective treatment for chronic pulmonary heart disease combined with hypercapnic respiratory failure.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Controlled clinical trial Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Controlled clinical trial Language: Chinese Journal: Chinese Journal of Geriatrics Year: 2014 Type: Article