J.Jpn. Surg. Soc.. 81(9): 891-893, 1980

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Report on the annual meeting

SOMATIC AND PSYCHOMOTOR DEVELOPMENT OF INFANTS WITH VENTRICULAR SEPTAL DEFECT AFTER HYPOTHERMIC OPEN-NEART SURGERY

One hundred and seven patients with ventricular septal defect who survived one and a half to thirteen years after hypothermic open-heart surgery were reviewed with respect to somatic, intellectual, and psychomotor development. There were no negative effects associated with deep hypothermic arrest in any of these areas. Abnormal electroencephalograms were seen in one-half of the patients examined, but there was no close relation between the circulatory arrest period and electroencephalographic findings. CT scanning of the brain indicated that the abnormality decreased with the lapse of the time after hypothermic open-heart surgery. It would appear that hypothermic open-heart surgery with limited circulatory arrest is a useful method, provided circulatory arrest is not allowed to exceed a limited period, but electroencephalographic assessment suggests that postoperative cerebral abnormalities may occur more frequently than previously suspected, though preoperative abnormalities in electroencephalograms were excluded.

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