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Effect of anemia correction on left ventricular structure and filling pressure in anemic patients without overt heart disease
The Korean Journal of Internal Medicine ; : 445-453, 2014.
Article in English | WPRIM | ID: wpr-116733
ABSTRACT
BACKGROUND/

AIMS:

There are few data on the effects of low hemoglobin levels on the left ventricle (LV) in patients without heart disease. The objective of this study was to document changes in the echocardiographic variables of LV structure and function after the correction of anemia without significant cardiovascular disease.

METHODS:

In total, 34 iron-deficiency anemia patients (35 +/- 11 years old, 32 females) without traditional cardiovascular risk factors or cardiovascular disease and 34 age- and gender-matched controls were studied. Assessments included history, physical examination, and echocardiography. Of the 34 patients with anemia enrolled, 20 were followed and underwent echocardiography after correction of the anemia.

RESULTS:

There were significant differences between the anemia and control groups in LV diameter, left ventricular mass index (LVMI), left atrial volume index (LAVI), peak mitral early diastolic (E) velocity, peak mitral late diastolic (A) velocity, E/A ratio, the ratio of mitral to mitral annular early diastolic velocity (E/E'), stroke volume, and cardiac index. Twenty patients underwent follow-up echocardiography after treatment of anemia. The follow-up results showed significant decreases in the LV end-diastolic and end-systolic diameters and LVMI, compared with baseline levels. LAVI, E velocity, and E/E' also decreased, suggesting a decrease in LV filling pressure.

CONCLUSIONS:

Low hemoglobin level was associated with larger cardiac chambers, increased LV, mass and higher LV filling pressure even in the subjects without cardiovascular risk factors or overt cardiovascular disease. Appropriate correction of anemia decreased LV mass, LA volume, and E/E'.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Time Factors / Hemoglobins / Biomarkers / Echocardiography, Doppler / Case-Control Studies / Prospective Studies / Ventricular Function, Left / Treatment Outcome / Ventricular Pressure / Anemia, Iron-Deficiency Type of study: Observational study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: The Korean Journal of Internal Medicine Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Time Factors / Hemoglobins / Biomarkers / Echocardiography, Doppler / Case-Control Studies / Prospective Studies / Ventricular Function, Left / Treatment Outcome / Ventricular Pressure / Anemia, Iron-Deficiency Type of study: Observational study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: The Korean Journal of Internal Medicine Year: 2014 Type: Article