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Effects of transmyocardial punctures on left ventricular performance after coronary occlusion in the acute experiment
  1. Z. Bělobrádek1,
  2. J. J. Van Der Meer,
  3. R. S. Reneman,
  4. J. Wieberdink
  1. Experimental Laboratory of the Department of Cardiovascular Surgery, University Hospital, Utrecht, The Netherlands


    The results of multiple transmyocardial punctures were studied in 12 dogs in which ligation of the left descending coronary artery had been performed. Instead of improvement, deterioration in the electrocardiogram, paradoxical movement, left ventricular pressure, left ventricular dp/dt max, and mean aortic flow were observed. These results are in contrast to the acute effects observed by Sen et al. (1965, 1968) but do not exclude the possibility of beneficial long-term effects.

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    • 1 Present address: Intérni Klinika, Orlickà Notlina 1057, Hradec Králové, C.S.S.R.