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Medical News
August 3, 1964

Implantable Pacemakers Seem Effective In Reducing Blood Pressure Levels

JAMA. 1964;189(5):27-29. doi:10.1001/jama.1964.03070050065043

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Abstract

Implantable pacemakers in humans and in dogs have significantly lowered blood pressures in essential, renal, and neurogenic hypertensive states. Internal electrostimulation of the carotid sinus nerve effects return to near normal and prehypertensive levels, two physicians reported to a research forum on cardiovascular and respiratory problems at the AMA Annual Convention.

Seymour Schwartz, MD, Rochester, NY, who worked with one group, told of initial clinical experience with antihypertensive pacemakers implanted in two patients at the University of Rochester School of Medicine. In another project, Aydin M. Bilgutay, MD, Minneapolis, related effects of baropacers on hypertensive states induced in dogs at the University of Minnesota School of Medicine.

Both research groups — Schwartz and Lawrence Griffith, MD, University of Rochester, and Bilgutay and C. Walton Lillehei, MD, Minneapolis —plan further clinical experiments in the near future. The main criteria for selection of patients for implantation of the devices is lack of

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