Abstract
To the Editor— Dr Chandra and colleagues conclude in their article "Abdominal Binding During Cardiopulmonary Resuscitation in Man" (1981; 246:351) that one of the reasons for the BP improvement in the patients in their study probably was a decrease in arterial perfusion in the abdomen and in the lower extremities. There are reasons to believe that this effect probably was one of the most important factors for the distinct hemodynamic effect in their study. In 1975, Dr Worsvorda and I1 studied the effect of external mechanical cardiac massage combined with ventilation and mechanical compression of the abdominal aorta using an automatic unit. The study subjects were ten patients experiencing cardiac arrest, and the systolic BP measured in the brachial arteries increased from 70.9 to 103.0 mm Hg (mean value for ten patients, P
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