PubMed · 6566621
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A P Kiriushchenkov. 1984. [Incomplete abortion].. https://pubmed.ncbi.nlm.nih.gov/6566621/
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This study compared conventional light microscopy with immunohistochemistry in the histopathologic diagnosis of intrauterine pregnancy in curettings in which fetal parts and chorionic villi were absent. Hematoxylin and eosin-stained sections of the curettings, which were from 50 consecutive patients in whom incomplete abortion had been diagnosed clinically, were circulated to four pathologists who graded their diagnoses with a confidence score. Immunohistochemical examination using a standard streptavidin-biotin-peroxidase method with anti-HPL and antikeratin antisera was performed. The pathologists in the maternity hospitals achieved a high level of diagnostic confidence compared with those working in the general hospitals. However, there were erroneous diagnoses by the one pathologist in the former group and none by the latter. Critical path analysis showed that the best performing pathologist could accurately diagnose all but two of the cases that had been diagnosed with a degree of doubt by the other pathologists without recourse to immunohistochemical examination. These results suggest that immunohistochemistry may be used discriminately in uncertain cases or if relatively inexperienced pathologists are reporting.
One hundred and fifty-five patients presenting with signs of incomplete abortion were evaluated by ultrasound. Of these, 112 (72.26%) were found to have retained products of conception and were treated by dilatation and curettage. The remaining 43 (27.74%) were found on ultrasound to have no products of conception and were followed-up conservatively. Only one of the latter group of patients needed admission later for dilatation and curettage; this patient was found to have a small sub-mucus fibroid and endometritis. Predictive value for those not requiring D & C was 97.6%, suggesting that this test may be useful in identifying those patient who have had a complete abortion.
Termination of early pregnancy was performed in 1572 healthy women with RU486 (mifepristone, 600mg orally once), followed 36-60 hours later by administration of methyl ester of dl-15-methyl-PGF2 alpha (PG05, 1mg vaginal suppository). Complete abortion was accomplished in 91.2% (1433/1571), incomplete abortion in 4.8% (76/1571), and continued pregnancy in 3.9% (62/1571). The time elapsed between RU486 intake and complete expulsion was 2.4 +/- 1.3 days. Expulsion took place on the third day in 935 women (72%), and on the 4th day in 273 women (21.0%). Uterine bleeding occurred on the second or third day after RU486 intake in 1256 women (88.8%), and lasted 11.7 +/- 6.4 (SD) days, range 2-55 days. One subject had blood transfusion due to excessive bleeding. The main side effects were nausea/vomiting (22.3%), abdominal pain (10.2%), headache/dizziness (4.1%) and diarrhea (2.8%). Fatal side effects have not been reported in this study. About 73% of subjects with complete abortion assessed the treatment as good to excellent. Even in the failed cases, 25-42% of subjects considered the treatment as good. Further studies are needed to determine the optimal dose of the RU486 regimen. It should be emphasized that the treatment must be used under close medical supervision in order to monitor the uterine bleeding.