ÖzetAmaç:Bu çalışmanın amacı hipotiroidi ve hipertiroidi tanısı almış, ekokardiyografik ve klinik olarak herhangi bir kardiyak problemi bulunmayan hastalarda NT-proBNP düzeyinin erken dönem kardiyak disfonksiyonunun belirteci olarak kullanımını araştırmaktır. Yöntem: Hastanemizin İç Hastalıkları polikliniklerine başvuran tiroid hastalığı konmuş 13'ü erkek, 40'ı kadın toplam 53 hasta ile 40 sağlıklı kontrol çalışmaya dahil edildi. Çalışmaya alınan hastaların daha öncesine ait bilinen bir hastalık öyküsü yoktu ve yeni tanı almış aşikar hipotiroidi ve hipertiroidi hastalarıydı. Hasta ve kontrol gruplarının kan örneklerinde rutin biyokimyasal parametrelere, tiroid fonksiyon testlerine ve NT-proBNP düzeylerine bakıldı, elektrokardiyogram çekildi ve ekokardiyografi yapıldı. Bulgular: Çalışmaya alınan hastaların 28'inde hipotiroidi, 25'inde hipertiroidi mevcuttu. Hipotiroid grubun yaş ortalaması daha yüksekti. Hipertiroidi ve hipotiroidili hasta grubunda NTproBNP ortalaması kontrol grubuna göre anlamlı derecede yüksekti (p=0.019). Bu iki hasta grubu ayrı ayrı kontrol grubu ile karşılaştırıldığında NT-proBNP düzeyi hipotiroidili (p=0.0096) ve hipertiroidili (p=0.0415) hastalarda kontrol grubuna göre anlamlı olarak yüksek bulundu. Sonuç:Artmış NT-proBNP düzeyi kalp yetersizliği ve koroner arter hastalığında kötü prognozu gösteren önemli bir belirteçtir. Bu nedenle artmış NT-proBNP düzeyi aşikar hipotiroidi ve hipertiroidisi olan hastalarda erken dönem kardiyak disfonksiyonu belirlemede değerli bir belirteç olabilir. Abs tractAim: The aim of this study was to investigate N-terminal probrain natriuretic peptide (NT-proBNP) as a marker of early cardiac dysfunction in patients with hypothyroidism or hyperthyroidism without any clinical and echocardiographic cardiac problem. Methods:A total of 53 patients (13 male and 40 female), who were newly diagnosed with thyroid disease and 40 healthy controls who attended our internal medicine outpatient clinic, were included in the study. The patients had no history of any disease and, all of them were with newly diagnosed overt hypothyroidism or hyperthyroidism. Routine biochemical tests, and thyroid function tests were done and NT-proBNP levels were measured. Electrocardiograms and echocardiograms were performed. Results: There were 28 patients with hypothyroidsm and 25 patients with hyperthyroidism in the study group. The mean age of hypothyroidism group was higher than that of hyperthyroidism group. The mean NT-proBNP levels were significantly higher in the patient group when compared to the control group (p=0.019). When the two groups of patients were compared with the control group separately, the level of NT-proBNP was significantly higher in hypothyroidism group (p=0.0096) and hyperthyroidism group (p=0.0415). Conclusion: Elevated NT-proBNP levels are an important marker that suggests worse prognosis in heart failure and coronary artery disease. Elevated serum NT-proBNP levels might be a valuable marker to detect early cardiac dysfunction in patients with overt hypothyroidism ...
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