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Placenta previa percreta with urinary bladder and ureter invasion.

A 26-year-old woman, with one previous cesarean delivery and two uterine curettage due to incomplete abortion, was admitted to the labor ward with the diagnosis of partial placenta previa at 35 weeks of gestation. Repeat cesarean section was performed due to profuse vaginal bleeding. Placenta previa percreta invading the bladder trigone was confirmed with cystotomy. As bilateral hypogastric artery ligation and supracervical hysterectomy performed were not successful in stopping the profuse bleeding, the abdomen was packed with laparotomy pads. Dilatation of the left ureter was noticed on the second postoperative day. Relaparotomy was performed to remove the pads, and placental invasion of the distal left ureter was noticed. Ureteroneocystostomy was performed. The postoperative course was uneventful, and the double-J-catheter was removed two months later.

Adult↗

A comparison between vaginal prostaglandin E2 suppositories and intrauterine extra-amniotic prostaglandins in the management of fetal death in utero.

This retrospective study was undertaken to compare the efficacy, side effects, and complications of prostaglandin E2 (PGE2) given as a vaginal suppository with those of PGE2 administered via the intrauterine extra-amniotic route to induce labor after fetal death. The induction-to-delivery intervals were comparable, with 9.2 +/- 3.94 hours and 8.6 +/-4.49 hours, respectively. However, the mean total amount of PGE2 administered was much less via the intrauterine extra-amniotic route (1.8 milligrams) than by the vaginal suppository (45.2 mg). There was a 100% success rate in the patients treated by the intrauterine extra-amniotic route, but only a 91.3% success rate in those patients treated via the vaginal route. The side effects (vomiting, diarrhea, fever) and the complications (incomplete abortion, uterine rupture, oxytocin augmentation) occurred more frequently with the use of PGE2 as a vaginal suppository. The vaginal route of administration of PGE2 is somewhat more convenient, but the intrauterine extra-amniotic route may offer a higher degree of efficacy and safety with fewer side effects in the management of fetal death in utero.

Abortion, Therapeutic↗

Etiologic factors in pelvic inflammatory disease in Sudanese women.

Pelvic inflammatory disease constitutes a major gynecologic problem in the Sudan as in most African countries. This article reviews studies of three important causes of PID involving Sudanese women. Women who attended the gynecologic clinic of Khartoum Hospital with a complaint of vaginal discharge were tested for gonococcal infection to evaluate this potential etiology; only 1.4% of these women had gonorrhea. Since septic abortions also result in PID, we studied 2,447 women admitted to Khartoum hospitals in 1976; only 0.4% of these women had had septic abortions. Female circumcision, which is widely practiced in the Sudan, is the subject of an ongoing epidemiologic study. The clinical impression is that this harmful tradition is an important cause of PID among Sudanese women.

Abortion, Incomplete↗

A five-year experience with second-trimester induced abortions: no increase in complication rate as compared to the first trimester.

OBJECTIVE: Our purpose was to compare the complication rate of first-trimester suction curettage with that of second-trimester dilation-and-evacuation abortions in the same clinical setting. STUDY DESIGN: Retrospective analysis (chart review) of the 3772 induced abortions performed between 1986 and 1990 at the Family Planning Clinic of the Centre Hospitalier Universitaire de Sherbrooke, Quebec, Canada. RESULTS: Among the 3355 cases with known follow-up (89%), the complication rate was 5.1% for the 2908 suction curettages at < 15 weeks' gestation compared with 2.9% for the 447 dilation-and-evacuation procedures at 15 to 20 weeks' gestation. Serious complications were few and not increased among patients undergoing dilation and evacuation. CONCLUSION: A careful approach to second-trimester dilation-and-evacuation procedures can make them comparatively as safe as suction curettages, contrary to common belief derived from large surveys done in the late 1970s.

Abortion, Incomplete↗

Ultrasonographic diagnosis of uterine rent at 33 weeks' gestation with history of curettage.

A 30-year-old pregnant woman with a history of an uncomplicated curettage for incomplete abortion was seen at 33 weeks' gestation with decreased fetal movement and intermittent abdominal pain for 1 week. Ultrasonographic evaluation demonstrated a singleton vertex pregnancy, oligohydramnios, and a fundal uterine rent continuous with a large, fluid-filled cystic mass. Laparotomy revealed a right cornual uterine rent with hourglass amniotic sac and fluid. A healthy infant was delivered by cesarean section.

Adult↗

Interruption of pregnancy with vaginal suppositories containing 16,16-dimethyl-trans-delta 2-prostaglandin E1 methyl ester.

A new synthesized Prostaglandin E1 analogue, 16,16-dimethyl-trans-delta 2-Prostaglandin E1 methyl ester, has been shown to be effective in termination of 1st and second trimester pregnancy following vaginal administration. Suppositories, each containing 1 mg Prostaglandin E1 derivative, were administered five times to each of fifty pregnant women of five to twenty gestational weeks at three-hourly intervals. The procedure was clinically effective in 86% of the patients resulting in 56% complete and 30% incomplete abortions. The cervix of all patients was dilated up to 7 mm in diameter at the second insertion of the suppository. Vaginal bleeding and lower abdominal pain not requiring sedation were observed in all patients. Diarrhea (42%), vomiting (6%), and fever (4%) were the most common side effects. The Karyopyknotic Index of the vaginal smear increased significantly (p less than 0.01) twelve hours after the initial insertion. The superficial cells of the cervix gradually degenerated during the termination procedure.

Abortion, Induced↗

Use of intramuscular prostaglandin for failure of mid-trimester abortion by another method.

Eight investigators, using a common protocol, studied the use of intramuscular (15S)-15-methyl prostaglandin F2 alpha to abort midtrimester pregnancies which had failed treatment by other methods in 398 cases. Results of treatment of 3 subgroups, defined by reason for primary treatment failure, are presented. The combined efficacy rate was 96.2% with 79.6% of the abortions being complete. The mean time from starting intramuscular therapy to successful abortion was 7.35 hours. The incidence of gastrointestinal side-effects was lower than that previously reported for systemically administered prostaglandins. Serious complications were not appreciably different from those reported for commonly used methods of second trimester abortion except for a slightly higher incidence of excessive bleeding requiring blood replacement. Advantages of this method over currently used methods of treating failures of primary attempts to induce midtrimester abortion by pharmacologic means are discussed.

Abortion, Incomplete↗

Comparative study of various intracervically administered PG gel preparations for termination of first trimester pregnancies.

In a randomized, double-blind study, 30 healthy, nulliparous women of similar gestational age were given intracervical applications of 0.5mg PGE2, 0.05mg Sulprostone or 0.1mg Sulprostone gel in order to soften the cervix prior to curettage for first trimester termination of pregnancy. The preparations were administered 8 hours before curettage. The number of complete and incomplete abortions, ease of passage through the cervical canal, as measured by a tonometer before and 8 hours after the administration of prostaglandin, the degree of pain experienced and the quantity of analgesics required, plus the frequency of systemic side effects were all always assessed by one trialist. With regard to the rate of abortion and cervical softening, the administration of 0.1mg Sulprostone gel proved the most effective method. However, in comparison with the others, it also caused the greatest degree of pain and necessitated the greatest use of analgesics. The softening effect of the prostaglandin E2 gel was significantly less and in this group there were two cases of cervical lesion due to tenaculum laceration. The intracervical application of 0.05mg Sulprostone gel is to be recommended for pre-operative ripening of the cervix before termination of pregnancy in the first trimester, as it effectively dilates the cervix and does not cause systemic side effects or pain in the lower abdomen, enough to make treatment necessary.

Abdomen↗

Endometrial thickness after misoprostol use for early pregnancy failure.

OBJECTIVES: To assess if there was any potential relationship between endometrial thickness and final treatment outcome in women successfully treated with misoprostol for a first trimester anembryonic gestation, embryonic demise or fetal demise. METHODS: Eighty women were treated with up to two doses of misoprostol 800 microg vaginally for early pregnancy failure. Subjects were scheduled to return 2 (range 1-4), 7 (range 5-9) and 14 (range 12-17) days after treatment. Transvaginal ultrasonography was performed at each follow-up visit. RESULTS: The median endometrial thickness at each of the follow-up visits for women who had expelled the gestational sac was 14 mm, 10 mm, and 7 mm, respectively. The endometrial thickness at the first follow-up visit exceeded 15 mm in 20 subjects (36%) and 30 mm in four subjects (7%). Only three women had a suction aspiration for bleeding after documented expulsion. The endometrial thickness for these women was 11, 13, and 14 mm at the first follow-up visit. CONCLUSIONS: There is no obvious relationship between increasing endometrial thickness and the need for surgical intervention in women treated with misoprostol for early pregnancy failure.

Abortifacient Agents, Nonsteroidal↗

Endometrial and myometrial effects of progesterone antagonists in pregnant guinea pigs.

Three antiprogestogens of the RU 38.486, ZK 98.734, and ZK 98.299, were studied at different stages of pregnancy in the guinea pig. Treatment starting on postconception day 4 completely prevented nidation; all three compounds had comparable inhibitory potency. Treatment after nidation, starting on postconception day 8, induced decidual collapse and bleeding, but embryonic tissue was retained in nidation sites. In contrast to results in animals in nonfertile cycles, luteolysis was not induced, indicating that antiprogestogens lack the ability to induce uterine prostaglandin synthesis/liberation. On postconception day 43, RU 38.486 showed marginal abortifacient activity. The other compounds induced expulsion more rapidly and at a higher rate. The comparatively pronounced antiglucocorticoid activity of RU 38.486 may account for this difference. With RU 38.486, a high level of uterine prostaglandin sensitivity and a cervical ripening were induced consistently and fast; spontaneous labor, on the other hand, occurred after several days, if at all. Complete uterine evacuation was induced within hours by otherwise inactive doses of sulprostone in various combinations with ZK 98.299 RU 38.486 but surprisingly not with ZK 98.734. A single dose of ZK 98.299 induced an approximately thirtyfold increase in uterine prostaglandin sensitivity within 24 hours, exceeding that present before term, but did not induce spontaneous labor. This is evidence that endogenous prostaglandins were not activated, analogous to perinidation stages. Observation of antiluteolytic activity of antiprogestogens in nonpregnant animals is considered of major theoretical importance in this context. It seems that inhibition of progesterone leads to suppressed uterine prostaglandin liberation. The same effect in pregnancy could explain the inability of the uterus to expel a seriously compromised conceptus. In conclusion, we suggest that progesterone is a stimulator rather than a depressor of uterine prostaglandins in the late luteal phase and pregnancy. The ability of the conceptus to neutralize this stimulatory action of progesterone is considered to be essential for the rescue of the corpus luteum and uterine motor quiescence in the guinea pig. The clinical significance of these findings is that the high frequency of incomplete abortions and protracted, sometimes heavy bleeding in pregnant women treated with RU 38.486 may reflect decidual compromise and simultaneous uterine prostaglandin deficiency, as found in our animal model after progesterone blockage.

Abortion, Induced↗

Fetal fibronectin as a marker to discriminate between ectopic and intrauterine pregnancies.

OBJECTIVE: Our purpose was to determine the accuracy of fetal fibronectin values for diagnosing ectopic pregnancies. STUDY DESIGN: We obtained vaginal swabs from women with pregnancies of < or = 12 weeks' gestation to perform enzyme-linked immunosorbent assays for fetal fibronectin. Fetal fibronectin values were compared among groups categorized on the basis of clinical and laboratory criteria into (1) ectopic pregnancies, (2) threatened abortions, (3) incomplete/complete abortions, and (4) uncomplicated intrauterine pregnancies. RESULTS: Mean fetal fibronectin values ranged from 0.08 microg/mL in women with ectopic pregnancies to 0.33 microg/mL in women with threatened abortions. Comparing these two diagnostic categories, a negative fetal fibronectin test (at a cutoff level of 0.300 microg/mL) predicted ectopic pregnancy with a sensitivity of 94%, specificity of 28%, positive predictive value of 62%, and negative predictive value of 78%. CONCLUSION: Although fetal fibronectin is low in women with ectopic pregnancies, a negative test is not sufficiently sensitive and specific to be used clinically for the diagnosis of ectopic pregnancy.

Abortion, Incomplete↗

The ultrasound diagnosis of hydatidiform mole.

Experience with ultrasound compound 'B' scanning in 18 cases of hydatidiform mole is presented. The scan appearances are analysed with respect to the presence or absence of transonic areas, and to the uniformity of echogenicity elsewhere in the uterus. The differential diagnosis is discussed. The commonest appearance seen in a hydatidiform mole is the combination of multiple small transonic areas with uneven echogenicity in the remainder of the uterine cavity. The condition most likely to cause diagnostic confusion is early normal pregnancy with a bulky decidua, but incomplete abortion and uterine fibroid may also be confused with hydatidiform mole.

Diagnosis, Differential↗

Estimating the efficacy of medical abortion.

Comparisons of the efficacy of different regimens of medical abortion are difficult because of the widely varying protocols (even for testing identical regimens), divergent definitions of success and failure, and lack of a standard method of analysis. In this article we review the current efficacy literature on medical abortion, highlighting some of the most important differences in the way that efficacy has been analyzed. We then propose a standard conceptual approach and the accompanying statistical methods for analyzing clinical trials of medical abortion and to explain how clinical investigators can implement this approach. Our review reveals that research on the efficacy of medical abortion has closely followed the conceptual model used for analysis of surgical abortion. The problem, however, is that, whereas surgical abortion is a discrete event occurring in the space of a few minutes or less, medical abortion is a process typically lasting from several days to several weeks. In this process, two events may occur that are not possible with surgical abortion. First, the woman can opt out of the process before a fair determination of efficacy can be made. Second, the process of medical abortion allows time for surgical interventions that may be convenient for the clinician but not strictly necessary from a medical perspective. Another difference from surgical abortions is that, for medical abortions, different medical abortion protocols specify different waiting periods, giving the drugs less time to work in some studies than in others before a determination of efficacy is made. We argue that, when analyzing efficacy of medical abortion, researchers should abandon their close reliance on the analogy to surgical abortion. In fact, medical abortion is more appropriately analyzed by life table procedures developed for the study of another fertility regulation technology; contraception. As with medical abortion, a woman initiating use of a contraceptive method can change her mind after some period of exposure and opt out. Also, as with medical abortion, a contraceptive can fail, usually with the risk of failure depending heavily on whether or not the woman follows the protocol for that method precisely. Finally, as with medical abortion, medical conditions may arise that necessitate discontinuing use of the contraceptive method. In both cases, these medical conditions are sometimes open to interpretation or subject to the skill, judgment, or experience of the clinician involved. The appropriate information to collect for a multiple decrement life table analysis of medical abortion includes data on compliance with the protocol, timing of the event of interest (abortion) when it is observable, and, because we argue that these should be regarded as events of interest, a typology of any surgical interventions that are conducted during the woman's participation in the study.

Abortion, Incomplete↗

Serum progesterone in the diagnosis of ectopic pregnancy: a valuable diagnostic test?

The value of a single serum progesterone (P) assay in the diagnostic work-up of suspected ectopic pregnancy was investigated in 89 patients with ectopic pregnancy and 27 patients with incomplete abortion. Reference values for P in the blood were obtained from 77 patients with normal intrauterine pregnancies in the first trimester. With the use of a discriminatory level of 63 nmol/l (20 ng/ml), sensitivity of 92%, specificity of 84%, positive predictive index of 90%, and negative predictive index of 87% were achieved. Addition of pelvic ultrasound further improved the diagnostic accuracy. It is concluded that serum P measurement offers a valuable adjunct to existing methods of diagnosis of ectopic pregnancy.

Biomarkers↗

Spontaneous abortion: a randomized, controlled trial comparing surgical evacuation with conservative management using misoprostol.

OBJECTIVE: To compare the efficacy of surgical evacuation of the uterus with medical evacuation using misoprostol in cases of spontaneous abortion. DESIGN: A prospective, randomized, controlled trial. SETTING: A university teaching hospital. PATIENT(S): Six hundred thirty-five women who aborted spontaneously and who consented to pretreatment randomization. INTERVENTION(S): Routine surgical evacuation or medical evacuation of the uterus using misoprostol. MAIN OUTCOME MEASURE(S): Immediate, short-term (2-3 weeks), and medium-term (6 months) medical complications. RESULT(S): There was a significantly lower incidence of immediate and short-term complications in the group treated with misoprostol compared with the surgically treated group. There were also fewer major complications in the 6 months after treatment in the medically treated group. Approximately 50% of the medically treated group subsequently required surgical evacuation, and these subjects required significantly more analgesia. CONCLUSION(S): Treatment with misoprostol can reduce the demand for surgical evacuation in cases of spontaneous abortion, and its use is associated with fewer medical complications.

Abortifacient Agents, Nonsteroidal↗