RESUMO
Objective To investigate the efficacy and security of noninvasive ventilator assisted ventilation combined with morphine in treating acute left heart failure.Methods Sixty patients suffering acute left heart failure were divided into two groups:conventional therapy group (thirty cases using morphine and other medicine) and combined group (thirty cases using noninvasive ventilator assisted ventilation combined with morphine).Observe and record clinical results for blood pressure,heart rate,respiratory rate,blood gas analysis,left ventricular ejection fraction (LVEF) as well as occurrence rate of remission time and adverse reaction before treatment,one hour after treatment and remission respectively.Results Clinical results for blood pressure,heart rate,respiratory rate,blood gas analysis,left ventricular ejection fraction (LVEF) have improved after treatment,all clinical indexs have improved obviously except for partial pressure of carbon dioxide in combined group.The difference was significant (P ＜ 0.05) ; Remission time in combined group (6.20 ± 4.12 hours) was shorter than morphine group (8.67 ± 5.28) hours,which has statistically difference (P ＜ 0.05).But occurrence rate of adverse reaction and complication raised slightly in combined group (43.3％ vs.40％).Conclusions Noninvasive ventilator assisted ventilation combined with morphine can relieve clinical symptoms promptly in acute left heart failure,improve prognosis,it is a effectively and safety therapeutic measures.