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Diastolic Heart Failure in Patients with Slow Coronary Flow

10.5083/ejcm.20424884.14 , Cite or Link Using DOI
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Behzad Sarvar Azimzadeh, Mansour Moazenzadeh, Shahin Narouei, Jahangir Zare & Mehrdad Sheikhvatan


Objectives: In current study and for the first time, we assessed the incidence of diastolic heart failure among slow flow coronary patients and also determined its clinical determinants among Iranian population.

Background: Some patients with diastolic heart failure have delayed opacification of arteries in the absence of occlusive disease than may be found in those with slow flow coronary syndrome.

Methods: Forty-six consecutive patients with a pattern of slow coronary flow detected on their coronary arteriography were studied. Diagnosis of diastolic heart failure was based on angiography and echo-cardiography findings and was made in patients with typical symptoms and signs of heart failure.

Results: Significant numbers of patients diagnosed with slow flow phenomenon had diastolic heart failure with the incidence rate of 47.8%. Appearance of diastolic heart failure was similar in both genders (men, 46.7%; women, 50.0%). Although diastolic heart failure occurred in more patients over 50 years old than younger patients (56.0% versus 38.1%), this difference was not statistically significant. Comparing medical profiles between the patients with and without diastolic heart failure showed no meaningful differences in general risk factors for coronary artery disease, including systolic hypertension, diabetes mellitus, hyper-lipidemia and current tobacco smoking.

Conclusion: The incidence of heart failure with preserved systolic function is notably high in patients with coronary slow flow phenomenon that similarly appeared in different age groups as well as in men and
women. It may be effectively controlled and prevented by lifestyle modification and dietary patterns.