Spinal cord injury: assessment of autonomic state-dependent control of cardiovascular system and body core temperature

Guaraldi, Pietro (2012) Spinal cord injury: assessment of autonomic state-dependent control of cardiovascular system and body core temperature, [Dissertation thesis], Alma Mater Studiorum Università di Bologna. Dottorato di ricerca in Scienze mediche specialistiche: progetto n. 2 "Medicina del sonno", 24 Ciclo. DOI 10.6092/unibo/amsdottorato/4795.
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Spinal cord injury (SCI) results not only in paralysis; but it is also associated with a range of autonomic dysregulation that can interfere with cardiovascular, bladder, bowel, temperature, and sexual function. The entity of the autonomic dysfunction is related to the level and severity of injury to descending autonomic (sympathetic) pathways. For many years there was limited awareness of these issues and the attention given to them by the scientific and medical community was scarce. Yet, even if a new system to document the impact of SCI on autonomic function has recently been proposed, the current standard of assessment of SCI (American Spinal Injury Association (ASIA) examination) evaluates motor and sensory pathways, but not severity of injury to autonomic pathways. Beside the severe impact on quality of life, autonomic dysfunction in persons with SCI is associated with increased risk of cardiovascular disease and mortality. Therefore, obtaining information regarding autonomic function in persons with SCI is pivotal and clinical examinations and laboratory evaluations to detect the presence of autonomic dysfunction and quantitate its severity are mandatory. Furthermore, previous studies demonstrated that there is an intimate relationship between the autonomic nervous system and sleep from anatomical, physiological, and neurochemical points of view. Although, even if previous epidemiological studies demonstrated that sleep problems are common in spinal cord injury (SCI), so far only limited polysomnographic (PSG) data are available. Finally, until now, circadian and state dependent autonomic regulation of blood pressure (BP), heart rate (HR) and body core temperature (BcT) were never assessed in SCI patients. Aim of the current study was to establish the association between the autonomic control of the cardiovascular function and thermoregulation, sleep parameters and increased cardiovascular risk in SCI patients.

Tipologia del documento
Tesi di dottorato
Guaraldi, Pietro
Dottorato di ricerca
Scuola di dottorato
Scienze mediche e chirurgiche cliniche
Settore disciplinare
Settore concorsuale
Parole chiave
spinal cord injury, autonomic nervous system, sleep
Data di discussione
24 Maggio 2012

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