Abstracts
vegetative, or (5) dead. The rates of poor outcome (GOS > 2) for absent, compressed, and normal cisterns were 8570, 64%, and 44%. respectively; mortality rates were 77%. 39%, and 22%, respectively. The authors conclude that if the basal cisterns are compressed or absent on the initial CT scan, the outcome is much more likely to be poor and that those patients should be targeted for early aggressive therapy. [Richard P. Burruss, MD]
?O ?BSTETRIC ULTRASOUND AND CHILDHOOD MALIGNANCIES. Wilson LMK, Waterhouse JAH. Lancel 1984; 8410:997-999. With the current widespread use of ultrasound, both as an adjunct in prenatal care and as a monitoring technique during labor, the question of adverse biological effects has been raised. In vitro ultrasound has been shown to alter native DNA, increase the rate of DNA synthesis, and alter the surface membrane of cells in culture. In vivo ultrasound in rats has led to decreased litter size and delayed neuromuscular development. Epidemiological studies in human beings have failed to detect any differences in abortion rates, premature births, and congenital deformities. This English study addresses the possible relationship between ultrasound and childhood malignancies. The mothers of 1,73 1 children who died of cancer between 1972 and 1981, together with 1,731 matched control mothers, were assessed for pre-
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natal exposure to ultrasound. No difference in the incidence of ultrasound exposure in utero could be detected between cancer patients and controls. The authors conclude that prenatal exposure to ultrasound does not affect the incidence of childhood malignancies during the first 6 [Ross Berringer, MD] years of life.
?? IDIAGNOSIS OF PELVIC VARICOSITIES IN WOMEN WITH CHRONIC PELVIC PAIN. Beard RW, Pearce S, Highman JH, Reginald PW. Lancer 1984; 946-949. The authors studied 45 women with a history of chronic pelvic pain for which no obvious cause on laparoscopy could be determined. On the hypothesis that pelvic varicosities were one possible explanation of this pelvic pain syndrome, they performed transuterine pelvic venography in these women. For comparison, ten women in whom laparoscopic evidence of a reason for the chronic pain was discovered and eight asymptomatic women admitted for sterilization procedures were also studied. Six of the eight control women and nine of the ten women in the pelvic pathology group had no congestion seen on venographg. In contrast, 38 (84%) of the pelvic pain group had moderate to extensive venous congestion noted on venography. The authors conclude that pelvic venous congestion is a common finding in patients with pelvic pain syndrome. [Tom Drake, MD]