Arquivos brasileiros de cardiologia · 2022
Subclinical Left Atrial and Ventricular Dysfunction in Acromegaly Patients: A Speckle Tracking Echocardiography Study.
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Koca Hasan, Koc Mevlüt, Sumbul Hilmi Erdem, Icen Yahya Kemal, Gulumsek Erdinc, Koca Fadime, Ozturk Huseyin Ali, Baykan Ahmet Oytun, Kaypakli Onur
Аннотация
BACKGROUND: Although it is known that the left ventricular (LV) ejection fraction (EF) measured by echocardiography is preserved in patients with acromegaly, there is not enough information about the LV and left atrial strain (LV-GLS and LAS).
OBJECTIVE: This study aimed to evaluate the left ventricular (LV) and left atrial (LA) functions with strain echocardiography (SE) in patients with acromegaly.
METHODS: This study included 50 acromegaly patients with active disease and 50 healthy controls with similar age, gender, and body surface area. In addition to routine echocardiography examinations, LV-GLS and LAS measurements were performed with SE.
RESULTS: LAS and LV-GLS values were significantly lower in patients with acromegaly (p<0.05 for all). In bivariate analysis, systolic blood pressure, N-terminal prohormone of brain natriuretic peptide, Insulin-like growth factor-1, LA diastolic diameter, and LVMI levels were found to be positively correlated with both LAS and LV-GLS (p <0.05). IGF-1 level was strongly correlated with LAS and LV-GLS (p<0.001 and β=0.5 vs. p<0.001 and β=0.626, respectively); 48% of patients with acromegaly have reduced LV-GLS (<20%). Left ventricular mass-index (LVMI) independently determines the presence of reduced LV-GLS and each 1g/m2increase in LVMI level increases the likelihood of reduced LV-GLS by 6%.
CONCLUSION: Although LV ejection fraction is normal in patients with acromegaly, LAS and LV-GLS values were significantly reduced. Apart from LVMI increase, another finding of cardiac involvement may be LAS and LV-GLS decrease. Therefore, in addition to routine echocardiography, LAS and LV-GLS may be useful to evaluate early signs of cardiac involvement before the occurrence of irreversible cardiac changes.
OBJECTIVE: This study aimed to evaluate the left ventricular (LV) and left atrial (LA) functions with strain echocardiography (SE) in patients with acromegaly.
METHODS: This study included 50 acromegaly patients with active disease and 50 healthy controls with similar age, gender, and body surface area. In addition to routine echocardiography examinations, LV-GLS and LAS measurements were performed with SE.
RESULTS: LAS and LV-GLS values were significantly lower in patients with acromegaly (p<0.05 for all). In bivariate analysis, systolic blood pressure, N-terminal prohormone of brain natriuretic peptide, Insulin-like growth factor-1, LA diastolic diameter, and LVMI levels were found to be positively correlated with both LAS and LV-GLS (p <0.05). IGF-1 level was strongly correlated with LAS and LV-GLS (p<0.001 and β=0.5 vs. p<0.001 and β=0.626, respectively); 48% of patients with acromegaly have reduced LV-GLS (<20%). Left ventricular mass-index (LVMI) independently determines the presence of reduced LV-GLS and each 1g/m2increase in LVMI level increases the likelihood of reduced LV-GLS by 6%.
CONCLUSION: Although LV ejection fraction is normal in patients with acromegaly, LAS and LV-GLS values were significantly reduced. Apart from LVMI increase, another finding of cardiac involvement may be LAS and LV-GLS decrease. Therefore, in addition to routine echocardiography, LAS and LV-GLS may be useful to evaluate early signs of cardiac involvement before the occurrence of irreversible cardiac changes.