The autonomic innervation of the heart in regulating the blood sugar

Hajdu, István and Beznák, Margit and Rády, Zsuzsanna (1947) The autonomic innervation of the heart in regulating the blood sugar. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 17. pp. 227-234. ISSN 0365-3005

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Abstract

1. ) Ligature of the anterior descending branch of the coronary artery causes, in cats anaesthetized with either and in artifical respiration, a well pronounced hyperglycaemia. The rise of the blood sugar begins round the 40th minute, attains its maximum in the 2nd hour and remains on that level even 6 hours after the ligature. 2. ) The hyperglycaemia caused by coronary occlusion is absent. 3. ) The cutting of the branches of the stellate ganglia and of the vagi leading to the heart produces in itself a fall in the blood sugar level, beginning some hours (approximately 3) after the cutting. 4. ) There is no correlation between blood pressure and blood sugar level under these experimental conditions. 5. ) Ether anaesthesia - very superficial and even - has no effect on blood sugar. 6. ) The experimental results are discussed and a hypothesis, concerning the role of the heart asi a receptor region in influencing the blood sugar level, is advanced.

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