Vol 72, No 5 (2021)
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Published online: 2021-05-05

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Atrial electromechanical delay is impaired in patients with primary hyperparathyroidism

Şaban Keleşoğlu1, Yücel Yilmaz2, Ferhat Gökay2, Yasin Simsek2, Bekir Calapkorur2, Deniz Elcik1
Pubmed: 34010441
Endokrynol Pol 2021;72(5):550-557.


Introduction: Primary hyperparathyroidism (PHPT) is an endocrine disease that poses a risk for cardiac arrhythmias. Atrial electromechanical delay (EMD) has been known as an early marker of atrial fibrillation (AF). This study aimed to evaluate the atrial EMD in PHPT.

Material and methods: Fifty PHPT patients (45 females, 5 males) aged 30–75 years and 38 controls (35 females, 3 males) aged 31–73 years were included in the study. Atrial EMD parameters were measured by using tissue Doppler imaging (TDI). Inter-atrial EMD was calculated as the difference between PA lateral and PA tricuspid; intra-atrial EMD was calculated as the difference between PA septum and PA tricuspid, and left-atrial EMD was calculated as the difference between PA lateral and PA septum.

Results: Atrial EMD parameters (PA lateral, PA septum, PA tricuspid) significantly increased in the PHPT group compared to the control group (p < 0.001, for all). Also, inter-atrial and intra-atrial EMD were higher in the PHPT group than in the control group (p < 0.001, for all). In correlation analysis, calcium was closely associated with PA lateral (r = 0.749, p < 0.001), PA septum (r = 0.735, p < 0.001), inter-atrial EMD (r = 0.807, p < 0.001), and intra-atrial EMD (r = 0.838, p < 0.001). The same correlation relationship was seen between PTH levels with PA lateral (r = 671, p < 0.001), PA septum (r = 0.660, p < 0,001), inter-atrial EMD (r = 0.674, p < 0.001), and intra-atrial EMD (r = 0.732, p < 0.001).

Conclusions: Atrial EMD parameters were prolonged in PHPT. The measurement of atrial EMD parameters might be used in determining the risk of AF development in PHPT.

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