Antimicrobial therapy in incomplete abortion.
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The incidence of infection in 100 cases of abortion was studied. Intra-uterine swabs and products of conception were cultured both aerobically and anaerobically. Significant potentially-pathogenic organisms were cultured from 94 of 100 intra-uterine swabs and from all 100 samples of the products of conception. Anaerobes were cultured from 70 intra-uterine swabs and from 56 products of conception. The spectrum and relative proportion of organisms isolated resemble those found in the normal vagina and cervical os. In addition, positive blood cultures were obtained from 24 patients, 8 on admission and 17 after evacuation. With this high incidence of infection, routine antimicrobial therapy for aerobic and anaerobic organisms should be given to all patients with abortion.
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A prospective study of 203 patients referred with a diagnosis of incomplete abortion is reported and the final histological diagnosis is discussed. Eighty-six patients (42 percent) were not pregnant, and 14 (7 percent) had other abnormalities of pregnancy. Clinical features of value in confirming the diagnosis were cervical dilation (misleading in 6 percent), uterine enlargement (misleading in 31 percent) and pain (misleading in 34 percent). Amenorrhoea was significantly shorter in patients with dysfunctional bleeding and bleeding prolonged in the other groups, but a wide range was noted. Age did not differ significantly between the two groups. A histological diagnosis was made in all but five patients. No clinical feature was completely reliable and curettage was often necessary to reach a final diagnosis.
A 28-yera-old woman with an intrauterine device (IUD) was admitted to hospital with signs of incomplete abortion. The IUD was removed and curettage revealed necrotic infected decidua with no trophoblastic cells or chorionic villi. The patient subsequently developed multiple abscesses in the right ovary. The mechanism of development of ovarian abscesses in patients with IUD or with infected incomplete abortion is discussed.
In the period from May, 1973 to April, 1974, one hundred patients were treated for incomplete abortion at the Jahanshah Saleh Hospital in Tehran, Iran. Patients admitted to the hospital were from 4 to 28 weeks' gestation and were routinely administered analgestics before the abortion was completed by D & C. The D & C took about 10 minutes and the patient was usually able to go home that same day. Twenty-four women (24.0%) experienced complication(s) including blood loss, fever requiring antibiotic treatment, and pelvic infection.
According to strictly defined criteria a differential diagnosis between regular pregnancy, imminent abortion, missed abortion, incomplete abortion or hydatidiform mole is attempted using 385 basic ultrasound tests carried out from the 6th to the 16th week of pregnancy. The diagnostic procedure, its pitfalls, their reasons and possibilities of avoidance are discussed. In spite of the wide area of application the positive score of 92% in all basic tests is stressed. Comparing these findings with HCG tests the ultrasound method is clearly superior.
792 urine samples from pregnant patients were investigated by a direct latex agglutination test (LA). Results of this slide test were compared with data derived from a haemagglutination inhibition test (HI). The same results were obtained by both pregnancy tests in 768 (96.7%) out of 792 urine samples. The pregnancy test was negative in 20 cases (2.5%) as assessed by HI, whereas a positive result was recorded with the LA in these cases. Seven were cases of early pregnancy and control tests performed by HI became positive at a later date. The remaining 13 (1.6%) of these patients belonged to a group of pathological pregnancies (missed abortion, threatened abortion, incomplete abortion and ectopic pregnancy). The slide test is more sensitive (1000 I.U. HCG/1 urine) than the HI (1500 I.U.HCG/1 urine). No false positive results were obtained with the LA; false negative results were registered in only 0.5% of cases. A semi-quantitative HCG determination was performed by means of the tube and slide test in 29 urine samples. However, agreement of the data by the two methods was relatively poor, owing to the higher sensitivity of the LA, with consequent inaccurate assessment of HCG excretion. Not much importance need be attached to this finding in view of the diagnostic and prognostic deficiencies of HCG determination. The new slide test was found to be a rapid, simple and accurate pregnancy test.
Suppositories of 15-methyl PGF2alpha methyl ester in triglyceride were administered vaginally to 75 women in whom 31 to 49 days had elapsed since their last menstrual period. Three or four suppositories of 0.5, 1.0, or 1.5 mg were given at intervals of 3 hours. Pregnancy was later confirmed in 63 of the women. In the pregnant women vaginal bleeding usually started 3 to 6 hours after the initiation of therapy and continued for 10 to 14 days. Patients were followed for 2 to 4 weeks with serial measurement of serum progesterone and hCG. There were no failures in the trial, but in 2 cases the treatment resulted in incomplete abortion. In 2 other patients curettage was performed due to prolonged bleeding, but histologic examination revealed no remaining signs of pregnancy. Gastrointestinal side effects were well within acceptable limits, and no serious complications occurred. Clinical signs of pelvic inflammatory disease were not found. The vaginal use of 15-methyl PGF2alpha methyl ester seems promising as a reliable outpatient nonsurgical self-administered procedure for termination of early pregnancy.
The abortifacient efficacy of four Silastic devices containing 15(S)-15-methyl prostaglandin F2alpha methyl ester (15-Me-PGF2alpha methyl ester) was evaluated by single vaginal insertion and retention for 24 hours in four groups of ten patients each at 31 to 49 days beyond the 1st day of the last menstrual period. There were eight complete and two incomplete abortions in the group receiving a device with a drug concentration of 0.5% and a surface area of 20 sq cm. Four complete abortions, four incomplete abortions, and two failures occurred with a 0.2%, 10 sq cm device. Seven complete and two incomplete abortions were obtained with a 0.5%, 10 dq cm device; one patient in this group was found to have aborted prior to treatment. A 0.5%, 2o sq cm device with one-half the thickness of the other 0.5% devices yielded five complete abortions, one incomplete abortion, and four failures. Side effects were minor and well tolerated in each group. Serial determinations of plasma progesterone, human chorionic gonadotropin, and 15-Me-PGF2alpha were obtained and related to the outcome of therapy. Because of failure to achieve sustained blood levels of drug or satisfactory rates of complete abortions, this technique, with the devices used in this study, is not believed to be acceptable for routine early first-trimester pregnancy termination.
In a multi-centre study 1117 morning urine samples were tested using the new immunochemical pregnancy tube test (Roche), based on the principle of indirect latex-agglutination inhibition. The test proved to be both qualitatively and semi-guantitatively suitable for demonstration of HCG in urine. There was only one false-negative result among 320 pregnancy tests (after 50th postmenstrual day). In 94 early pregnancies (test done before the 50th day) there were only two false-negative results. No false-positive result were seen. In the prognosis of threatened abortion, diagnosis of incomplete abortion, hydatid cyst, or chorionepithelioma the semiquantitative performance of the test was clinically useful and especially suitable because the result of the agglutination-inhibition reaction is unequivocal.
The human chorionic gonadotropin-radioreceptor assay (hCG-RRA) offers a rapid and accurate method of diagnosing early and abnormal pregnancies. Such a method is described along with clinical correlations in 139 assays done on 122 patients with amenorrhea, normal pregnancies, infertility, trophoblastic disease, ectopic pregnancies, and missed or incomplete abortions. The accuracy of the test is correlated with weeks of amenorrhea, weeks after ovulation, and clinical diagnoses. The overall accuracy of the assay was 95%. Those performed more than 28 days after the last menstrual period had an accuracy of 96.4%. There were no errors in the diagnosis of eight ectopic pregnancies among 33 suspected cases. Three patients are described who had serial changes from negative to positive early in pregnancy, providing data on precise timing of a positive result. Cases of missed abortion sometimes demonstrate a positive hCG-RRA after documented fetal loss. Recommendations for the most appropriate use of the hCG-RRA are presented based on the clinical experience at one referral center during the period January, 1977, to June, 1978.
Six cases are presented in which air was seen in the myometrium in the distribution of the arcuate vessels during sonography performed after culdocentesis to exclude ectopic pregnancy. Three of these patients had viable intrauterine pregnancies; the others had an incomplete abortion, a complete abortion, and a right ectopic pregnancy. This relatively rare complication of culdocentesis should be kept in mind, especially when scanning patients with suspected inflammatory process of the uterus, so as not to confuse air in the arcuate vessels with a uterine abscess.
During the period 1957 - 1977 there were 421 deaths recorded in the gynaecological wards of Groote Schuur Hospital, Cape Town. Nearly 50% of the patients were Coloureds, 25% were Whites, and 14% were Blacks; in 14% the ethnic group was not stated. Seventy-four per cent were more than 40 years and 25% were more than 70 years of age. The causes of death in order of frequency were: malignant disease of the cervix (30%), malignant disease of the ovary (17%), incomplete abortion (15%), non-gynaecological conditions (11%), malignant disease of the corpus uteri (8%), intra-abdominal malignancy (6%), pulmonary embolism (3%), sepsis not associated with abortion (3%), malignant disease of the vulva (2%), and other conditions (5%). The six commonest causes of death varied in the three ethnic groups.