The use of the bain circuit in spontaneously breathing paediatric patients

Soliman, M. G.; Laberge, R.

doi:10.1007/bf03005648

Cited by 8 publications

(4 citation statements)

References 10 publications

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“…children (Soliman and Laberge, 1978). Other authors questioned the ability of all subjects to compensate for rebreathing during anaesthesia, when respiratory drive may be depressed.…”

mentioning

confidence: 99%

An Evaluation of Rebreathing With the Bain System During Anaesthesia With Spontaneous Ventilation

Meakin

Coates

1983

British Journal of Anaesthesia

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Data from 12 anaesthetized patients breathing spontaneously from the Bain system were used to calculate the degree of rebreathing occurring when the fresh gas flowrate (VF) was equal to 2, 1 and 0.7 times the estimated normal minute ventilation (Vtot). Measurements of the expired minute volume (VE) and end-tidal carbon dioxide tension (PE'CO2) were made to determine the effects of this rebreathing. No rebreathing occurred when VF was equal to twice Vtot. When VF was equal to Vtot rebreathing was usually small in amount and produced no changes in VE or PE'CO2. Changes attributable to rebreathing occurred in only two patients when VF was reduced to 0.7 Vtot. These results are explained by the presence of anaesthesia-induced ventilatory depression and favourable changes occurring in the respiratory wave forms in the majority of patients studied. In some patients, greater values of VE and rebreathing occurred in response to strong surgical stimulation. The net result of increased ventilation in these patients was a decrease in PE'CO2. It is concluded that during anaesthesia, when the Bain system is used with VF equal to Vtot, any increase in PE'CO2 which may result from rebreathing is likely to be small and seldom of clinical importance.

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“…children (Soliman and Laberge, 1978). Other authors questioned the ability of all subjects to compensate for rebreathing during anaesthesia, when respiratory drive may be depressed.…”

mentioning

confidence: 99%

An Evaluation of Rebreathing With the Bain System During Anaesthesia With Spontaneous Ventilation

Meakin

Coates

1983

British Journal of Anaesthesia

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“…In the current study, the Bain system's V min were at the higher end of recommendations (Rose et al. 1978; Soliman & Laberge 1978; Alexander 1982; Humphrey 1982). However, V min expressed in terms of mL kg −1 minute −1 is always greater in small compared with large animals, presumably because of the higher metabolic rate.…”

Section: Discussionmentioning

confidence: 54%

“…Despite controversy over the minimum flows required for safe use, particularly with spontaneous breathing (Bain & Spoerel 1972, 1977a,b; Mansell 1976; Conway et al. 1977; Soliman & Laberge 1978; Spoerel et al. 1978; Ungerer 1978; Byrick 1980; Spoerel 1980, 1981, 1983; Humphrey 1982; Stenqvist & Sonander 1984), the modified version soon became popular in human and veterinary anaesthesia (Chu et al.…”

Section: Introductionmentioning

confidence: 99%

“…1978; Ungerer 1978; Byrick 1980; Spoerel 1980, 1981, 1983; Humphrey 1982; Stenqvist & Sonander 1984), the modified version soon became popular in human and veterinary anaesthesia (Chu et al. 1977; Fryer 1978; Hird & Carlucci 1978a,b; Soliman & Laberge 1978; Manley & McDonell 1979a,b; Cullen 1989) particularly in cases where head access was limited. Currently, the term ‘Bain system’ is used to describe all versions of Bain and Spoerel's original concept, with Mapleson's classification being used to clarify the modification in use (Moyle & Davey 1998; Clutton 1999).…”

Section: Introductionmentioning

confidence: 99%

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