• A J Davey and J M Leigh.
• Anaesthesia. 1982 Jun 1; 37 (6): 670-4.

AbstractA Penlon Nuffield Series 200 Ventilator, adapted for use as a high frequency jet ventilator, was used to treat a patient with adult respiratory distress syndrome. Adequate alveolar ventilation with this method was achieved with lower mean intrapulmonary pressure (5.4 cmH2O) than with conventional intermittent positive pressure ventilation (IPPV) (6 cmH2O). An improved cardiac output was also apparent, as judged by a better systemic blood pressure [105/50 mmHg for high frequency jet ventilation (HFJV) compared to 90/40 mmHg for IPPV] and a lower central venous pressure 6 cmH2O for HFJV as compared to 9.5 cmH2O with conventional IPPV. During HFJV, the patient's need for sedatives and narcotics was reduced. This allowed an assessment to be made of any potential neurological damage caused by the cervical fracture. An assessment had not been possible during conventional ventilation due to the heavy narcotic and sedative regime required to settle the patient. This case report provides further evidence that HFJV is a useful adjunct in the management of patients requiring mechanical ventilation and also that the Penlon Nuffield Series 200 Ventilator is capable of high frequency jet ventilation.

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