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Randomized Controlled Trial Clinical Trial
Respiratory effects of spinal anaesthesia for caesarean section.
- M C Kelly, K T Fitzpatrick, and D A Hill.
- Department of Anaesthetics, Belfast City Hospital.
- Anaesthesia. 1996 Dec 1;51(12):1120-2.
AbstractWe report the changes observed in a number of pulmonary function tests performed on 36 patients undergoing Caesarean section under spinal anaesthesia. The tests comprised peak expiratory flow, forced expiratory volume in one second, forced vital capacity, forced expiratory volume in one second to forced vital capacity ratio and the maximal mid-expiratory flow. Significant changes occurred that are consistent with a restrictive ventilatory defect. These changes persisted for four hours after the induction of spinal anaesthesia. Administration of 35% oxygen by facemask failed to change significantly fetal umbilical vein pH or partial pressure of oxygen.
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