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Titolo:
Cervical spinal cord injury alters the pattern of breathing in anesthetized rats
Autore:
Golder, FJ; Reier, PJ; Davenport, PW; Bolser, DC;
Indirizzi:
Univ Florida, Coll Vet Med, Dept Physiol Sci, Gainesville, FL 32610 USA Univ Florida Gainesville FL USA 32610 siol Sci, Gainesville, FL 32610 USA Univ Florida, Coll Med, Dept Neurosci, Gainesville, FL 32610 USA Univ Florida Gainesville FL USA 32610 Neurosci, Gainesville, FL 32610 USA
Titolo Testata:
JOURNAL OF APPLIED PHYSIOLOGY
fascicolo: 6, volume: 91, anno: 2001,
pagine: 2451 - 2458
SICI:
8750-7587(200112)91:6<2451:CSCIAT>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
LONG-TERM SURVIVAL; AUGMENTED BREATHS; RIB CAGE; QUANTITATIVE ASSESSMENT; RESPIRATORY-FUNCTION; PULMONARY-FUNCTION; ADULT-RAT; LUNG; TETRAPLEGIA; NEURONS;
Keywords:
augmented breath; vagal afferents;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
48
Recensione:
Indirizzi per estratti:
Indirizzo: Golder, FJ Univ Florida, Coll Vet Med, Dept Physiol Sci, POB 100144, Gainesville, FL 32610 USA Univ Florida POB 100144 Gainesville FL USA 32610 , FL 32610 USA
Citazione:
F.J. Golder et al., "Cervical spinal cord injury alters the pattern of breathing in anesthetized rats", J APP PHYSL, 91(6), 2001, pp. 2451-2458

Abstract

The mechanisms by which chronic cervical spinal cord injury alters respiratory function and plasticity are not well understood. We speculated that spinal hemisection at C-2 would alter the respiratory pattern controlled by vagal mechanisms. Expired volume (VE) and respiratory rate (RR) were measured in anesthetized control and C-2-hemisected rats at 1 and 2 mo postinjury. C-2 hemisection altered the pattern of breathing at both postinjury time intervals. Injured rats utilized a higher RR and lower VE to maintain the same minute ventilation as control rats. After bilateral vagotomy, the pattern of breathing in injured rats was not different from controls. The frequency of augmented breaths was higher in injured rats at 2 mo postinjury before vagotomy; however, the VE of augmented breaths was not different between groups, In conclusion, C-2 hemisection alters the pattern of breathing at 1and 2 mo postinjury via vagal mechanisms.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 16/02/20 alle ore 20:25:44