2019
DOI: 10.3389/fnsys.2019.00062
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Sensory and Motor Conduction Velocity in Spontaneously Hypertensive Rats: Sex and Aging Investigation

Abstract: The literature is extensive on how hypertension affects the morphology and function of the central nervous system (CNS) and is being focused on multiple organ damage involving the kidneys, heart, endothelium and retina. Hypertension damage to the peripheral nervous system is less explored in the literature. We have previously shown morphometric alterations in large and small caliber myelinated fibers of nerves in the adult spontaneously hypertensive rat (SHR). However, the functional correlation of these findi… Show more

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Cited by 7 publications
(7 citation statements)
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“…The very small diameter of the PHR likely reduces transversal (or fascicular) selectivity [ 69 ]. Furthermore, the fast conduction velocity of PHR motor fibers (~55–60 m·s [ 70 ]) associated with the rather short distance between OE sites may limit the velocity selectivity [ 71 ]. It is therefore possible that similar multiple ENG recordings with OE applied to bigger peripheral nerves or designed with longer distances between OE sites may be able to achieve fascicular and/or velocity selectivity, and thus differentiate distinct pools of nerve fibers.…”
Section: Discussionmentioning
confidence: 99%
“…The very small diameter of the PHR likely reduces transversal (or fascicular) selectivity [ 69 ]. Furthermore, the fast conduction velocity of PHR motor fibers (~55–60 m·s [ 70 ]) associated with the rather short distance between OE sites may limit the velocity selectivity [ 71 ]. It is therefore possible that similar multiple ENG recordings with OE applied to bigger peripheral nerves or designed with longer distances between OE sites may be able to achieve fascicular and/or velocity selectivity, and thus differentiate distinct pools of nerve fibers.…”
Section: Discussionmentioning
confidence: 99%
“…Esta importância é decorrente da semelhança existente entre a hipertensão essencial humana e a observada neste modelo animal, de modo que ambos possuem predisposição genética para a doença sem origem bem definida, aumento da reisitência vascular periférica, hipertrofia da musculatura lisa vascular e miocárdica com constrição de arteríolas e vênulas, comprometimento renal e igual resposta a tratamentos medicamentosos (LAWAND, 2008 (NELSON et al, 2017;SCRIDON et al, 2017;AVOLIO et al, 2018), aos componentes genéticos desta cepa (ELY;TURNER, 1990;DICKEY et al, 2012;MAAN et al, 2017), a métodos de tratamento para esta doença (KIVIMÄKI et al, 2012;SHENGFENG et al, 2015;LOCATELLI et al, 2017) e às alterações morfológicas vinculadas à HA encontradas em diversos sistemas dos SHR, tais como: o ósseo (DODD et al, 2019), o muscular (ATRAKCHI; GRAY; CARLSEN; 1994), o vascular (RUSSO et al, 2017), o respiratório (AHARINEJAD et al, 1996), o digestório (STEWART et al, 2016), o reprodutor (MARIC-BILKAN; GILBERT; RYAN, 2014), o urinário (LAURENT et al, 2001), o genital (TOBLLI et al, 2000;BECHARA et al, 2003), o sistema nervoso central (NELSON et al, 2009) e também o sistema nervoso periférico, sendo o nervo Sural um exemplar frequentemente investigado nestes casos (SANADA et al 2012;SANADA et al, 2015;NUKADA et al, 2016;FONTANESI et al, 2019).…”
Section: Ratos Espontaneamente Hipertensosunclassified
“…Visto isso, a abordagem do nervo Sural do rato SHR configura um importante recurso experimental, o qual poderia auxiliar a área clínica quanto ao esclarecimento dos déficits perceptuais, decorrentes da neuropatia hipertensiva, encontrados em sujeitos hipertensos (NUKADA et al, 2016;FONTANESI, 2019).…”
Section: Nervo Suralunclassified
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