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Titolo:
Association of airway obstruction, sleep, and phasic abdominal muscle activity after upper abdominal surgery
Autore:
Rahman, MQ; Kingshott, RN; Wraith, P; Adams, WH; Drummond, GB;
Indirizzi:
Royal Infirm, Dept Anaesthet, Edinburgh EH3 9YW, Midlothian, Scotland Royal Infirm Edinburgh Midlothian Scotland EH3 9YW , Midlothian, Scotland Royal Infirm, Dept Sleep Med, Edinburgh EH3 9YW, Midlothian, Scotland Royal Infirm Edinburgh Midlothian Scotland EH3 9YW , Midlothian, Scotland Univ Edinburgh, Med Stat Unit, Edinburgh EH8 9AG, Midlothian, Scotland Univ Edinburgh Edinburgh Midlothian Scotland EH8 9AG Midlothian, Scotland
Titolo Testata:
BRITISH JOURNAL OF ANAESTHESIA
fascicolo: 2, volume: 87, anno: 2001,
pagine: 198 - 203
SICI:
0007-0912(200108)87:2<198:AOAOSA>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRESSURE; APNEA; HYPERCAPNIA; RESISTANCE; HYPOXIA; HUMANS; INHIBITION; MECHANISMS; MOVEMENT; ONSET;
Keywords:
sleep, respiratory disturbances; post-operative;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Drummond, GB Royal Infirm, Dept Anaesthet, Edinburgh EH3 9YW, Midlothian, Scotland Royal Infirm Edinburgh Midlothian Scotland EH3 9YW Scotland
Citazione:
M.Q. Rahman et al., "Association of airway obstruction, sleep, and phasic abdominal muscle activity after upper abdominal surgery", BR J ANAEST, 87(2), 2001, pp. 198-203

Abstract

We recorded nasal gas flow, sleep stage, and abdominal muscle EMG pattern in 11 patients throughout the night after abdominal surgery, to examine theassociation between phasic activity- of the abdominal muscles, sleep stage, and flow disturbance. We used a miniaturized data logging system, and obtained satisfactory records in eight patients. The data were divided into 30-s epochs. Each epoch was classified as either awake or asleep. The epochs were also classified for the presence of phasic activity in the external oblique abdominal muscle, and for evidence of airway obstruction. Associationbetween these features was tested by a quasi likelihood log linear model. Values given are median (quartiles) for the eight subjects. Sleep occurred for 62 (46-69)% of the study time. During sleep, inspiratory flow was normal for 69 (48-81)% of the time, whereas during wakefulness, the flow patternwas normal for 51 (28-77)% of the time. Phasic activity was present 16 (12-25)% of the time during sleep and 24 (19-37)% of the time during wakefulness (P<0.001). In the awake state, when breathing was normal, phasic activity was present 16 (11-30)% of the time. When breathing was obstructed, phasic activity was present 38 (25-44)% of the time (P<0.001). These surprising findings suggest that sleep may be seriously disturbed by airway obstruction, so that a stable sleep state is not reached. We could not confirm previous findings that disturbed breathing in post-operative patients only occursduring sleep.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 12:43:39