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Year : 2018  |  Volume : 22  |  Issue : 4  |  Page : 479-484

Study on coagulation factor VIII and fibrinogen levels in patients with thyroid disorders

Department of Medicine, Maulana Azad Medical College, New Delhi, India

Correspondence Address:
Sandeep Garg
Department of Medicine, Maulana Azad Medical College, Room No. 120, Bl Taneja Block, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijem.IJEM_583_17

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Introduction: A kaleidoscope of coagulation disorders has been reported in patients with thyroid dysfunctions. Globally, these disorders involve both primary and secondary hemostasis and range from subclinical laboratory abnormalities to, more rarely, life-threatening hemorrhages or thrombotic events. While overt hypothyroidism appears to be associated with a bleeding tendency, hyperthyroidism emerged to have an increased risk of thrombotic events. As a controversy, subclinical hypothyroidism and mild hypothyroidism have been reported as prothrombotic state. The mechanisms involved in these observations are also not conformed. Objective: To study the levels of prothrombotic coagulation factor VIII and fibrinogen in patients with thyroid disorder at baseline and to correlate the change in these factors after attaining euthyroid state by treatment. Study Design: This was a longitudinal interventional study. Subjects and Methods: Forty patients were recruited based on the inclusion and exclusion criteria, and their coagulation profile (prothrombin time, aPTT, Factor VIII, and fibrinogen levels), routine hematological, and biochemical profile was done at baseline and 6 weeks after attaining euthyroid state. Results and Conclusion: Hyperthyroidism and mild hypothyroidism were found to be hypercoagulable states and moderate-to-severe hypothyroidism as hypocoagulable states. Nevertheless, further observational and intervention studies are needed to provide more definitive information on the clinical relevance of this association, along with the potential implication for prevention and treatment of coagulation/fibrinolytic abnormalities in patients with thyroid dysfunction.

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