A randomised, controlled trial of the pulmonary artery catheter in critically ill patients

Rhodes, Andrew, Cusack, Rebecca J., Newman, Philip J., Grounds, Michael R. and Bennett, David E. (2002) A randomised, controlled trial of the pulmonary artery catheter in critically ill patients. Intensive Care Medicine, 28 (3), 256-264. (doi:10.1007/s00134-002-1206-9).

Abstract

Objective: To compare the survival and clinical outcomes of critically ill patients treated with the use of a pulmonary artery catheter (PAC) to those treated without the use of a PAC. Design: Prospective, randomised, controlled, clinical trial from October 1997 to February 1999. Setting: Adult intensive care unit at a large teaching hospital. Patients: Two hundred one critically ill patients were randomised either to a PAC group (n=95) or the control group (n=106). One patient in the control group was withdrawn from the study and five patients in the PAC group did not receive a PAC. All participants were available for follow-up. Interventions: Participants were assigned to be managed either with the use of a PAC (PAC group) or without the use of a PAC (control group). Main outcome measures: Survival to 28 days, intensive care and hospital length of stay and organ dysfunction were compared on an intention-to-treat basis and also on a subgroup basis for those participants who successfully received a PAC. Results: There was no significant difference in mortality between the PAC group [46/95 (47.9%)] and the control group [50/106 (47.6)] (95% confidence intervals for the difference -13 to 14%, p>0.99). The mortality for participants who had management decisions based on information derived from a PAC was 41/91 (45%, 95% confidence intervals -11 to 16%, p=0.77). The PAC group had significantly more fluids in the first 24 h (4953 (3140, 7000) versus 4292 (2535, 6049) ml) and an increased incidence of renal failure (35 versus 20% of patients at day 3 post randomisation p<0.05) and thrombocytopenia (p<0.03). Conclusions: These results suggest that the PAC is not associated with an increased mortality.

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Contributors

Author: Rebecca J. Cusack

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