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NJBMS - Volume 3, Issue 1, July - September 2012

Pages: 21-26

DOPPLER MONITORING OF THYROID BLOOD FLOW BEFORE AND AFTER YOGASANAS

Author: ANU S, SENTHIL NATHAN

Category: Physiology

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Abstract:

Background : Hypothyroidism is one of the commonest of all endocrine illnesses .Medical therapy in the form of oral thyroid tablets can cause harmful effects if the dosage is not carefully regulated and the patient also has to be on tablets lifelong. Yogasanas are considered to be the best remedy to activate the thyroid gland. The thyroid specific asanas are considered to increase the flow of fresh oxygenated blood to the thyroid, which in turn can activate the thyroid gland. The aim of our study is to find out the role of yogasanas in increasing the blood flow to the thyroid gland.

Materials and methods: We evaluated this by measuring the Peak Systolic Velocity and Resistive Index in the inferior thyroid artery using colour Doppler ultrasound in 40 female medical students (age 17-19 yrs) before and after 3months of yoga training.

Conclusion : Increased mean PSV ( P value < 0.0001)and decreased RI showed that the yogasanas are effective in increasing the blood flow to the thyroid gland. Increase in flow may be due to the inverted postures attracting more blood towards the head and neck and also due to increased secretion of TSH from pituitary. Regular practice of yogasanas is suggested for hypothyroid patients to correct the hormonal imbalance as well as for normal individuals to maintain thyroxine level of blood.

Keywords: Thyroid blood flow, Yogasanas

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Editor in Chief of NJBMS Dr.Deepti Shastri, Professor and Head, Department of Anatomy, Academic Co-ordinator for Pre and Paraclinical Sciences, VMKV Medical College & Hospital, Salem.


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