Cardiovascular Complications Secondary to Graves' Disease: A Prospective Study from Ukraine | oneGRAVESvoice

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Scientific Articles

Cardiovascular Complications Secondary to Graves’ Disease: A Prospective Study from Ukraine

key information

source: PloS One

year: 2015

authors: Tsymbaliuk I, Unukovych D, Shvets N, Dinets A

summary/abstract:

Background:
Graves’ disease (GD) is a common cause of hyperthyroidism resulting in development of thyrotoxic heart disease (THD).

Objectives:
To assess cardiovascular disorders and health related quality of life (HRQoL) in patients with THD secondary to GD.

Patients and Methods:
All patients diagnosed with THD secondary to GD between January 2011 and December 2013 were eligible for this study. Clinical assessment was performed at baseline and at the follow-up visit after the restoring of euthyroid state. HRQoL was studied with a questionnaire EQ-5D-5L.

Results:
Follow-up data were available for 61 patients, but only 30 patients with THD secondary to GD were consented to participate in investigation of their HRQoL. The frequency of cardiovascular complications was significantly reduced as compared before and after the antithyroid therapy as follows: resting heart rate (122 vs. 74 bpm), blood pressure: systolic (155 vs. 123 mm Hg), diastolic (83 vs. 66 mm Hg), supraventricular premature contractions (71% vs. 7%), atrial fibrillation (72% vs. 25%), congestive heart failure (69% vs. 20%), thyrotoxic cardiomyopathy (77% vs. 26%), all p<0.01. Anti-TSH receptor antibodies were determined as independent predictor of left ventricular geometry changes, (b-coefficient = 0.04, 95%CI 0.01-0.07, p = 0.02). HRQoL was improved in all domains and self-rated health increased from 43 to 75 units by visual analogue score (p<0.001).

Conclusions:
Restoring of euthyroid state in patients with GD is associated with significant elimination of cardiovascular disorders and improvement of HRQoL. To our knowledge this is the first study evaluating Ukrainian patients with THD secondary to GD with focus on HRQoL.

organization: Shupyk National Medical Academy of Postgraduate Education, Ukraine; Kyiv City Teaching Endocrinological Center, Ukraine; Bogomolets National Medical University, Ukraine; Karolinska Institutet, Sweden

DOI: 10.1371/journal.pone.0122388

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