Patients in group 1 are treated by pain relief alone. If this is not sufficient to maintain adequate ventilation, they require tracheotomy and fall into group 2. All those who still cannot ventilate adequately need I.P.P.R. and fall into group 3.
No takes yet. Share an insight, caveat, or question.
Boddington et al. (1965) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: