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Hemodynamic changes in the posterior cerebral circulation triggered by insufficient sympathetic innervation--cause of primary intracerebral hemorrhage? (CROSBI ID 292773)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Dunatov, Siniša ; Antončić, Igor ; Bralić, Marina Hemodynamic changes in the posterior cerebral circulation triggered by insufficient sympathetic innervation--cause of primary intracerebral hemorrhage? // Medical hypotheses, 76 (2011), 5; 668-669. doi: 10.1016/j.mehy.2011.01.027

Podaci o odgovornosti

Dunatov, Siniša ; Antončić, Igor ; Bralić, Marina

engleski

Hemodynamic changes in the posterior cerebral circulation triggered by insufficient sympathetic innervation--cause of primary intracerebral hemorrhage?

Primary intracerebral hemorrhage (ICH) is caused by hypertensive disease of small penetrating blood vessels in the basal ganglia, brain stem and cerebellum. Those regions are supplied by arteries of the so-called posterior brain circulation with insufficient sympathetic innervation. We propose the following hypothesis: due to insufficient sympathetic innervation hemodynamic changes occur in the vascular bed of the posterior brain circulation serving as a key factor for arterial rupture. If autoregulation is insufficient to maintain normal cerebral blood flow, in abrupt rise in the blood pressure, the amount of blood is rising causing higher static pressure, and according to Laplace's law higher pressure and larger radius leads to higher wall tension and subsequent rupture of arterial wall previously weakened by prolonged hypertension.

Primary intracerebral hemorrhage, sympathetic innervation

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Podaci o izdanju

76 (5)

2011.

668-669

objavljeno

0306-9877

1532-2777

10.1016/j.mehy.2011.01.027

Povezanost rada

nije evidentirano

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