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Title: Intra-aortic balloon pumping: two-year experience.
Author: Hines GL, Delaney TB, Goodman M, Mohtashemi M.
Journal: J Thorac Cardiovasc Surg; 1979 Jul; 78(1):140-6. PubMed ID: 449380.
Abstract:
Experience with 29 patients who underwent intra-aortic counterpulsation between January, 1975, and December, 1977, was reviewed to determine (1) if the results of this method of treatment were similar at the community hospital and university hospital levels and (2) if earlier institution of counterpulsation made possible by easy availability of equipment resulted in improved survival. The balloon was successfully inserted in 27 patients. Arterial blood pressure was below 80 mm. Hg in all patients prior to institution of either pharmacologic or balloon therapy. Pulmonary capillary wedge pressure was greater than 12 mm. Hg in the 22 patients in whom it was measured. In 15 patients counterpulsation was instituted less than 12 hours after infarction (Group A), and in the 14 elapsed time was greater than 12 hours (Group B). There was no difference in precounterpulsation hemodynamic measurements between Group A and Group B. Ten patients in Group A were weaned and survived hospitalization. Seven (54 percent) are long-term survivors (6 months to 2 years). Four are in New York Heart Association Class I, two are in Class II, and one is in Class III. Ten patients in Group B were weaned, seven survived hospitalization, and five are long-term survivors (35 percent). Two are in N.Y.H.A. Class I, two are in Class II, and one is in Class III. These results indicate that counterpulsation is possible at the local hospital level and that early institution of the intra-aortic balloon pumping may improve long-term results.

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