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Biomedical subjects

P Hengst

Publications and source records attributed to P Hengst.

At least 19 recordsLinked to original sources

Twins--results after changing the management in pregnancy and labor.

Retrospective analysis of the results of management in pregnancy and labor of 598 pregnancies during the period 1986-1990. The influence of prophylactic and therapeutic hospitalization related to the gestational age on the complication rate for premature labor, method of delivery, fetal outcome (APGAR-score, umbilical cord-pH, neonatal mortality) will be presented. There is a need for improvement in antenatal care and the management of delivery including liberal indication for prophylactic hospitalization and for delivery by caesarean section.

Apgar Score↗

Screening for toxoplasmosis in pregnant women: presentation of a screening programme in the former "East"-Germany, and the present status in Germany.

The results of the screening programme (including the examination of fetal IgM) in East-Germany, related to the efficiency of therapy (pyrimethamine/sulfonamid) of the fetal infection risk are presented. For comparison the results of a prospective study of toxoplasmosis in pregnancy (n = 1697) without therapy, and follow up of the connatal infected infants to the age of 9/10 years old are shown. Recommendations for the diagnostic and therapeutical management in Germany for the future are presented.

Drug Therapy, Combination↗

[Pregnancy after kidney transplantation. Report of 6 successful cases with multiple risk factors].

The long-term course before, during and after successful pregnancy in six women 3 to 6 years after receiving CD-kidney transplants from dead donors is described. Multiple risk factors such as hypertension, considerable proteinuria, preceding rejection crises etc. have been taken into account. The analysis includes the observation of a pregnancy which began already in the 1st month after transplantation. With the exception of a patient with hydronephrosis, whose functional data remained normal, the transplants of all patients showed better functional data after delivery than before pregnancy (maximum period of observation: 5 years 3 months post delivery). The patients mainly received alternating prednisolone therapy. Immunosuppression was generally reduced in the second trimester and was temporarily increased above the maintenance dosage after delivery. All children were eutrophic at birth and developed normally without complications. Important factors leading to the good overall clinical result were intensive out-patient care and the cooperation between nephrologists, urologists, gynecologists and neonatalogists. Despite our very good experience with 6 pregnancies successfully carried to full term by women with kidney transplants, the risk for mother and child should only cautiously be estimated, taking into account the results of future larger studies.

Adolescent↗

Prenatal prophylaxis of hyaline membrane disease with prednisolone: advantages and disadvantages.

The purpose of the study was to evaluate the prophylaxis of hyaline membrane disease (HMD) with prenatal steroids from the viewpoint of neonatology. In 397 preterm infants of 27-35 week gestation the prenatal prophylaxis of HMD with prednisolone (200-300 mg over 48-72 h) significantly reduced the HMD morbidity and mortality rate (0-7th day of life), especially in newborns under 33-week gestation. HMD was not detected if a 48-h interval lay between the end of prednisolone application and birth. There was no influence on the severity and the lethality of HMD. The 29-day mortality rate in the prednisolone group (14.6%) corresponded more or less to that of the control group (16%). In the prednisolone group the increase in late mortality rate was due to a significantly higher number of late serious infections. The time interval between the rupture of the membranes and birth did not influence the infection rate and HMD frequency. At this time we cannot recommend a general prenatal glucocorticoid prophylaxis of HMD in cases of threatened preterm labor.

Clinical Trials as Topic↗

[The effectiveness of a general test for Toxoplasma gondii infection in pregnancy].

Primary toxoplasma gondii infection in pregnancy (6.7 per thousand pregnancies) is considered to be a potential danger to foetal development (congenital infections in 5.3 per thousand). This conclusion had been drawn from a prospective study into 1,697 pregnant women. It is a primary infection which can be detected only by means of specific diagnostic methods. - Pyrimethamine-sulphonamide treatment ,ist be considered as the optional for pregnant women, even by all accounts of side-effects. The risk of foetal infection has been reduced from 64 to 14 per cent by use of such treatment on cases of primary infection. - The results so far obtained from examination of congenitally infected children, aged between nine and ten years, are likely to justify the recommendation of general toxoplasma gondii testing and specific therapy for all cases of primary infection during pregnancy.

Adolescent↗

[Use of prostaglandin F 2-alpha in placental period (author's transl)].

Reported in this paper is the intravenous application of prostaglandin F 2-alpha in the placental period and in cases of severe postpartum haemorrhage. -- Intravenous infusion of per-minute amounts between 40 and 80 micrograms in cases of atonic haemorrhage or between 30 and 45 micrograms in the placental period, in general, produced uterine contraction and clearly reduced blood loss.

Diarrhea↗

[Reproduction following kidney transplantation (author's transl)].

Reported in this paper are the first two pregnancies and childbirths in the GDR following kidney transplantations. The point is made that pregnancy following kidney transplantation should remain to be a rare exception, though the courses were favourable in both cases described. Reference is made to most suitable forms of anticonception.

Adult↗

[Frequency of latent connatal Toxoplasma gondii infection in children and their development].

The incidence and clinical symptoms of Toxoplasma gondii-primoinfection during pregnancy are ascertained basing on a prospective survey comprising 1,697 gravid women. The rate of the first infection during pregnancy was 7.6%, the connatal infection rate 5.6%, the premature birth rate in connatal infection 44%. In cases of connatal infection which were proved serologically with SFT and CFT, the development of the children was followed up to the age of 9 and 10 years.

Adolescent↗

[Additional tocolysis via inhibition of prostaglandin synthetase with indometacin (author's transl)].

Indometacin was administered as additional tocolyticum in 42 women between the 27. and 36. week of pregnancy. Patients received indometacin oral, of a complete tocolysis could not be achieved by application of beta-sympathicomimetica. A complete tocolysis always could be achieved with a daily dose of 200 mg indometacin. The mean time of therapy was 7,5 days, the mean total dose 1100 mg.

Clinical Trials as Topic↗

[Experiences on the effectivity of prostaglandin F2alpha during labor after insufficient effect of oxytocin].

A report is given about the efficacy of prostaglandin F2alpha for induction of labour after inefficient application of oxytocininfusion. In all cases induction of labour was indicated or labour should be supported. 80 of the 104 women with weak labour finally delivered on vaginal way. Only 9 of 24 caesarean sections were performed by reason of weak labour in spite of application of prostaglandin F2alpha. There was no influence on the state of the newborns, this was the result of postnatal judgment by Apgar-score.

Adolescent↗

[Induced abortion with intramuscular administration of 15(S)-15methyl-prostaglandin F 2 alpha].

15(S)-15-methyl-prostaglandin F2alpha was administered by the intramuscular route in 10 patients between 12. and 18. weeks gestation. All these patients aborted within 20 hours, with mean induction-abortion intervall of 14,1 hours. 250 microgram 15(S)-15-methyl-prostaglandin F2alpha was administered 3 hourly. 8 patients had side effects, mainly nausea, vomiting and diarrhea.

Abortion, Induced↗

[Indications and findings in the electronic monitoring of the fetus during birth].

From 1971 to 1974 in the Department of Gynecology and Obstetrics of the Humboldt-University of Berlin we monitored 1132 fetuses. The extent of the analysed groups runs to 306 to 632 cases, according to the completeness of the investigations and documentation. We have compared our CTG-findings with those of other authors. We found relationships between the risk factors and the CTG findings: for low weight fetuses more frequent Dip I, for maternal vitium cordis more frequent fetal tachycardia, for meconium stained liquor more frequent smooth baseline (silent) for EPH-gestosis (toxemia) more frequent Dip II (late deceleration) and variable deceleration. The relationships between the risk factors and the CTG findings are loose and not suitable to verify the great differences in frequency of the CTG pattern, published in the literature. We believe, that these differences are caused by different definitions and subjective interpretation of the CTG.

Electrocardiography↗

[Influence of electronic monitoring of the fetus on the frequency of surgery and on the status of the newborn infant].

In the years from 1971 to 1974 the rate of fetal monitoring of high risk deliveries rose from 3.0% to 23.7%. In this time our clinic become a center of high risk pregnancies (reproductive failure and prematurity). By this way we could not show a decrease of the perinatal and intranatal mortality. The increase of caesarean sections from 3.0% (1968) to 6.0% (1974) was caused by the increasing of high risk patients. Fetal monitoring is not a cause for rising of operative frequency. By means of fetal monitoring the Apgar score of the newborns from mothers with severe diseases is not significant worse than from newborns of mothers with more easy diseases.

Apgar Score↗

[Prevention of neonatal respiratory distress syndrome through the administration of prednisolone in the fetal period].

The clinical effectiveness of antenatal prednisolone medication (prednisolone hemisuccinate) for the prophylaxis of idiopathic respiratory distress syndrome (IRDS) was studied in 114 premature infants with a gestational age between 28 and 36 weeks. There was a statistically significant difference (chi2 - test, p less than 0,01) between the frequency of IRDS in this group and in another one consisting of 137 premature babies with a nearly identical distribution of gestational age, whose mothers did not get prednisolone before delivery. It could be shown that the time interval between medical induction and delivery should not exceed 2 weeks, since the effect decreases with time. At present prednisolone medication during the fetal period may serve as useful prophylactic measure for IRDS in cases of premature birth. As there are a lot of contraindication against prednisolone and as we do know very much about side effects, it seems necessary to seek for other, less dangerous inductors.

Berlin↗

[Clinical problems of premature labor. 2. Therapy of threatening and actual premature labor].

The therapy of imminent prematurity needs specific treatment of the respective illness. Moreover there are three fundamental measures: 1. To appease the patients and to applicate sedatives. 2. To carry out tokolysis with medicamentes. 3. To carry out cerclage operation in order to close the uterine mouth. These possibilities must be combined in various ways dependent from the success in every individual case. These measures also are suit in prophylaxis, for example in disorders of former pregnancies. All schemes of therapy adapted to the individual case. The dosis must be determined from the effect of therapy. A particular view point must be the hospitalisation between 28. and 32. week of pregnancy in cases of twins or placenta previa. Also in cases of early rupture of amnion prolongation of pregnancy must be aspired.

Diazepam↗