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Effect of anemia correction on left ventricular structure and filling pressure in anemic patients without overt heart disease

 In-Jeong Cho  ;  Yeung Chul Mun  ;  Ki Hwan Kwon  ;  Gil Ja Shin 
 KOREAN JOURNAL OF INTERNAL MEDICINE, Vol.29(4) : 445-453, 2014 
Journal Title
Issue Date
Adult ; Anemia, Iron-Deficiency/blood ; Anemia, Iron-Deficiency/diagnosis ; Anemia, Iron-Deficiency/drug therapy* ; Anemia, Iron-Deficiency/physiopathology ; Biomarkers/metabolism ; Case-Control Studies ; Echocardiography, Doppler ; Female ; Heart Ventricles/diagnostic imaging ; Heart Ventricles/physiopathology* ; Hematinics/therapeutic use* ; Hemoglobins/metabolism ; Humans ; Male ; Middle Aged ; Prospective Studies ; Recovery of Function ; Time Factors ; Treatment Outcome ; Ventricular Function, Left* ; Ventricular Pressure* ; Ventricular Remodeling* ; Young Adult
Anemia ; Ventricular remodeling
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’.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Cho, In Jeong(조인정)
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