Objective to investigate the application of pulsed-wave Doppler tissue imaging (PW-DTI) in evaluating left ventricular systolic and diastolic function in patients with chronic heart failure (CHF).
目的：探讨脉冲多普勒组织成像(PW DTI)技术在评价慢性心力衰竭(CHF)左室舒缩功能方面的应用。
Conclusion: Serum BNP level in patients with CHF elevate significantly with the severity of heart failure and can better reflect the left ventricular function.
结论：CHF患者血浆BNP水平随着心力衰竭严重程度的增加而升高，并能较好地反映左室功能状态。
Objective To compare therapeutic effects of acupuncture and western medicine on silent heart failure (SHF) and investigate their effects on left ventricular contraction function.
目的：比较针刺与西药治疗无症状心力衰竭患者的疗效差异，并探讨其对左室收缩功能的影响。
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