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Iranian Journal of Medical Sciences، جلد ۴۸، شماره ۳، صفحات ۳۱۳-۳۲۰
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عنوان انگلیسی Right Ventricular Function Indices at Rest and During Exercise in Hyperthyroid Patients: A Cross-sectional Study
چکیده انگلیسی مقاله Background: Since hyperthyroidism could be associated with right ventricular dysfunction, this study intended to investigate right ventricular (RV) function using strain echocardiography in hyperthyroid patients both at rest and in maximum-stress conditions. Methods: This cross-sectional study was conducted at Rajaie Cardiovascular Medical and Research Center, Tehran, Iran, from January 2019 to January 2020. All study participants completed a maximum treadmill exercise test, as well as a complete two-dimensional echocardiogram at rest and the peak of stress test. The data were analyzed using SPSS statistical software. The independent samples t test and Mann–Whitney U test were used for numerical, and the Chi square test was used for nominal variables. P< 0.05 was considered statistically significant. Results: The final analysis included 52 participants (26 subjects in each group). In a maximal stress situation, we found that among the RV function indices, RV global longitudinal strain (P=0.0001), systolic strain rate (P=0.0001), diastolic strain rate (P=0.0002), and tricuspid annular plane systolic excursion (P=0.019) were reduced significantly in the hyperthyroid patients compared to the control group. There was also a linear correlation between RV size and thyroid stimulating hormone (TSH) level (P=0.009, r=0.36). Moreover, we found a negative linear correlation between TSH level with maximum stress RV strain and diastolic strain rate (P< 0.001).Conclusion: The findings of the present study revealed a significant change in RV function indices among hyperthyroid patients. Therefore, it highlights the necessity of early diagnosis and treatment of hyperthyroidism, as well as RV function evaluation in these patients.
کلیدواژه‌های انگلیسی مقاله Ventricular function, right, Hyperthyroidism, Exercise test, Echocardiography
نویسندگان مقاله Khadije Mohammadi |
Cardiovascular Research Center, Kerman University of Medical Sciences, Kerman, Iran

Maryam Shojaeifard |
Echocardiography Research Center, Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran

Marzieh Mirtajaddini |
Rajaie Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran

Hamidreza Hekmat |
School of Medicine, Ziaeian Hospital, International Campus, Tehran University of Medical Sciences, Tehran, Iran

Zahra Davoudi |
Department of Endocrinology, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Azam Erfanifar |
Department of Endocrinology, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

نشانی اینترنتی https://ijms.sums.ac.ir/article_48982_c79db6a400664497ead7fa88a380b34d.pdf
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