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Mitral annulus is dilated with preserved function in acromegaly regardless of its activity: Insights from the three-dimensional speckle-tracking echocardiographic MAGYAR-Path Study.
Revista portuguesa de cardiologia. 2021 April
INTRODUCTION AND OBJECTIVE: Acromegaly is a rare, chronic and slowly developing endocrine disorder caused by hypersecretion of human growth hormone and consequently of insulin-like growth factor-1 during adulthood. The present study was conducted to assess mitral annular (MA) size and function between acromegalic patients and age- and gender-matched healthy controls by three-dimensional speckle-tracking echocardiography (3D-STE). It also aimed to examine whether activity of the disease has any effect on MA parameters.
METHODS: This study included 27 patients with acromegaly, three of whom were excluded due to inferior image quality. The mean age of the remaining 24 patients was 55.7±14.0 years and seven were male. Complete two-dimensional Doppler echocardiography and 3D-STE were performed in all cases.
RESULTS: Significantly increased end-diastolic and end-systolic MA diameter (2.81±0.36 cm vs. 2.44±0.34 cm and 2.00±0.32 cm vs. 1.65±0.37 cm, respectively), area (9.67±2.33 cm2 vs. 7.38±1.93 cm2 and 5.14±1.62 cm2 vs. 3.74±1.19 cm2 , respectively) and perimeter (11.76±1.42 cm vs. 10.27±1.33 cm and 8.61±1.23 cm vs. 7.36±1.10 cm, respectively) were demonstrated in acromegalic patients compared with control subjects. MA functional parameters were not significantly altered compared to those of healthy individuals.
CONCLUSIONS: MA dilation could be seen in acromegaly regardless of its activity. Acromegaly is not associated with MA functional impairment.
METHODS: This study included 27 patients with acromegaly, three of whom were excluded due to inferior image quality. The mean age of the remaining 24 patients was 55.7±14.0 years and seven were male. Complete two-dimensional Doppler echocardiography and 3D-STE were performed in all cases.
RESULTS: Significantly increased end-diastolic and end-systolic MA diameter (2.81±0.36 cm vs. 2.44±0.34 cm and 2.00±0.32 cm vs. 1.65±0.37 cm, respectively), area (9.67±2.33 cm2 vs. 7.38±1.93 cm2 and 5.14±1.62 cm2 vs. 3.74±1.19 cm2 , respectively) and perimeter (11.76±1.42 cm vs. 10.27±1.33 cm and 8.61±1.23 cm vs. 7.36±1.10 cm, respectively) were demonstrated in acromegalic patients compared with control subjects. MA functional parameters were not significantly altered compared to those of healthy individuals.
CONCLUSIONS: MA dilation could be seen in acromegaly regardless of its activity. Acromegaly is not associated with MA functional impairment.
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