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Deprecated: Implicit conversion from float 296.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Am+J+Physiol+Heart+Circ+Physiol 2016 ; 311 (5): H1118-31 Nephropedia Template TP
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Traumatic brain injury-induced autoregulatory dysfunction and spreading depression-related neurovascular uncoupling: Pathomechanisms, perspectives, and therapeutic implications #MMPMID27614225
Toth P; Szarka N; Farkas E; Ezer E; Czeiter E; Amrein K; Ungvari Z; Hartings JA; Buki A; Koller A
Am J Physiol Heart Circ Physiol 2016[Nov]; 311 (5): H1118-31 PMID27614225show ga
Traumatic brain injury (TBI) is a major health problem worldwide. In addition to its high mortality (35?40%), survivors are left with cognitive, behavioral, and communicative disabilities. While little can be done to reverse initial primary brain damage caused by trauma, the secondary injury of cerebral tissue due to cerebromicrovascular alterations and dysregulation of cerebral blood flow (CBF) is potentially preventable. This review focuses on functional, cellular, and molecular changes of autoregulatory function of CBF (with special focus on cerebrovascular myogenic response) that occur in cerebral circulation after TBI and explores the links between autoregulatory dysfunction, impaired myogenic response, microvascular impairment, and the development of secondary brain damage. We further provide a synthesized translational view of molecular and cellular mechanisms involved in cortical spreading depolarization-related neurovascular dysfunction, which could be targeted for the prevention or amelioration of TBI-induced secondary brain damage.