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Titolo:
AN 8 YEAR LONGITUDINAL-STUDY OF MUSCLE STRENGTH, MUSCLE-FIBER SIZE, AND DYNAMIC ELECTROMYOGRAM IN INDIVIDUAL WITH LATE POLIO
Autore:
GRIMBY G; STALBERG E; SANDBERG A;
Indirizzi:
GOTHENBURG UNIV,SAHLGRENS UNIV HOSP,DEPT REHABIL MED S-41345 GOTHENBURG SWEDEN UNIV UPPSALA HOSP,DEPT CLIN NEUROPHYSIOL S-75185 UPPSALA SWEDEN
Titolo Testata:
Muscle & nerve
fascicolo: 11, volume: 21, anno: 1998,
pagine: 1428 - 1437
SICI:
0148-639X(1998)21:11<1428:A8YLOM>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRIOR POLIOMYELITIS; FOLLOW-UP; SYMPTOMS; POSTPOLIOMYELITIS; SURVIVORS; EMG;
Keywords:
POLIO; POSTPOLIO SYNDROME; MUSCLE STRENGTH; MUSCLE ENDURANCE; MUSCLE BIOPSY; MACRO EMG; DENERVATION/REINNERVATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
33
Recensione:
Indirizzi per estratti:
Citazione:
G. Grimby et al., "AN 8 YEAR LONGITUDINAL-STUDY OF MUSCLE STRENGTH, MUSCLE-FIBER SIZE, AND DYNAMIC ELECTROMYOGRAM IN INDIVIDUAL WITH LATE POLIO", Muscle & nerve, 21(11), 1998, pp. 1428-1437

Abstract

Twenty-one subjects with polio 24 to 51 years prior to the first examination were studied on three occasions, each 4 years apart with measurements of muscle strength and endurance for knee extension, macro EMG, and muscle biopsy from vastus lateralis. On average the muscle strength decreased during the 8-year follow-up by 9-15%. Endurance decreased during the observation period. The muscle fiber area was markedly increased in most subjects. There was a decrease in the capillarization during the follow-up. Macro EMG was increased in all subjects (range 3-42 times control) and increased in 20 legs during the 8-year follow-up, but showed a decrease in 8 of 9 legs with an approximative breakpoint when macro MUPs were around 20 times the normal size. Thus, evidence of on-going denervation/reinnervation as well as of failing capacityto maintain large motor units was demonstrated. SFEMG showed a moderate degree of disturbed neuromuscular transmission. (C) 1998 John Wiley& Sons, Inc, Muscle Nerve 21: 1428-1437, 1998.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/04/20 alle ore 07:35:56