Non-protein nitrogen following delivery and in the neonatal period

Non-protein nitrogen following delivery and in the neonatal period

Volume 8(• 'Knmher :~ in fertility, probably because of inflammatory changes of the Fallopian tubes. Prior to their contracting the disease, these ...

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Volume 8(• 'Knmher

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in fertility, probably because of inflammatory

changes of the Fallopian tubes. Prior to their contracting the disease, these patients had a total of 14 deliveries and 18 nonspontaneous abortions. Afterward, there were only 4 and 7, respectively. Eleven of the patients were sterile. In 10 of them, an etiological connection to mumps could be assumed. Tube damage was evident in 7, including salpingo-oophoritis in 2, obstructed tubes in 3, and ectopic pregnancy in 2. The conclusion is reached, therefore, that mumps is no more innocuous for women than it is for m('IL Walter F. Tauber Sept. 5, 1959. Hohage, E., and Lau, H. U.: Observations on Spontaneous Change of Presentation Near Term, p. 1409. *Rimbach, E., and Bonow, A.: Non-protein Nitrogen Following Delivery and in the Neonatal Period, p. 1418. Menyasz, E., Fanea, E., Uza, E., and Ardeleanu, B.: Gangrene of the Hand Immediately Postpartum, p. 1424. Hofmann, D.: Follow-up of Cancer Patients

Selected abstracts 407

After Radiation Therapy in Gynecology, p. 1428. Margitay-Bccht, M.: Prolapse of the Cervical Mucus, p. 1441. Rimbach and Bonow: Non-protein Nitrogen Following Delivery and in the Neonatal Period, p. 1418. A recent micro method has made it possible to determine NPN in the newborn. Parallel studies were made on 40 babies, evenly divided between above and below 3,000 grams, and on their mothers. Some of the babies ·were followed for 9 days. The smaller babies had a slightly higher azotemia at birth than the larger ones (average 27.7 mg. per cent and 25.5 mg. per cent, respectively). In both groups the mothers' NPN was about 10 per cent lower than the infants. The difference is probably due to concentration gradient across the placenta, rather than an active placental barrier. All babies showed a rise of ::-.TPN in the first 4 to 5 days of life, followed by a slow reduction, They had not reached the birth level by the ninth day. Although the series is small, it appears that the greatest increase occurs in babies who have been exposed to stress in utero near term (toxemia, fever, etc.). Walter F. Tauber