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Biomedical subjects

G Tews

Publications and source records attributed to G Tews.

At least 19 recordsLinked to original sources
PubMed1992

[Tubal rupture after prostaglandin instillation despite decreasing beta-HCG values].

Over the past years laparoscopic surgery has become widely accepted in the treatment of tubal pregnancy and instillation of prostaglandin is well established. However, the failure rate is around 20%. This report describes a case of tubal pregnancy treated according to this procedure where the therapy initially seemed to be successful. Instillation of prostaglandin F2 alpha was followed by decreasing beta-HCG values, which continued to decrease after discharge. Thus, rupture of the operated tube on day 17 after surgery was completely unexpected.

Adult↗
PubMed1991

[Decreasing the surgical risk of laparoscopy by using a newly developed, blunt trocar].

Laparoscopy is one of the most frequent interventions used in operative gynaecology. Because of the possible, occasionally grave complications through the use of the trocar forms applied so far, we have developed a new blunt trocar. By using this trocar throughout 1889 interventions, we have had no complications which could be ascribed to the use of this blunt instrument. The advantage of this trocar lies in the avoidance of the possible and feared injuries to the intestines and vessels. Even though overall complication rates in laparoscopy are low and there is no evidence of a statistically significant reduction compared with the use of the sharp trocar, the advantages of the blunt trocar are obvious. There is only one disadvantage, namely the slightly prolonged training time of the younger colleagues, as well as the theoretical possibility of a prolapse of the omentum. Nevertheless, in our opinion, the use of the blunt trocar is advisable to reduce the complication rate in laparoscopy.

Aorta, Abdominal↗
PubMed1991

[Intrauterine twin pregnancy after laparoscopic salpingotomy and tubal occlusion with PDS clips].

Different laparoscopic tube-saving operations after tubal pregnancies are reported in the literature, but they all entail specific problems. In 35 women with tubal pregnancies, the tubotomy incisions were done laparoscopically and then fixed using PDS clips. One of these women with a contralateral closed tube had an intact intrauterine twin pregnancy 7 months after this procedure. Thus, this case demonstrates that this new variant of a laparoscopic tube-saving operation leads to a functional tube.

Adult↗
PubMed1990

[Harmful effects in early pregnancy--results of a teratological counseling center].

In the years 1986, 1987, and 1988 altogether 132 consultations were conducted during pregnancy at the Landesfrauenklinik Linz. These pregnant women had all been exposed to potentially harmful influences (drugs, maternal diseases and as infections or cancer, X-rays or pregnancy despite IUD). In most of the cases we recommended carrying the pregnancy to full term; only a few were interrupted, sometimes against on recommendation to proceed with the pregnancy. The rate of abortion and the frequency of ectopic pregnancies were within normal limits. Due to personal investigations after birth we registered postnatal findings in nearly all cases. No serious malformations were recorded. Detailed teratological knowledge is necessary for correct advice at consultation after exposure to harmful influences during early pregnancy. In most cases it is possible to avoid interruption without risking an increased rate of malformations.

Abortion, Therapeutic↗
PubMed1988

[3 pregnancies carried to term following vaginal administration of 3 mg prostaglandin E 2 in the 1st trimester].

In the years 1985 and 1986 three women decided in the last minute not to undergo a planned abortion after vaginal application of prostaglandin E 2 twenty-four hours before the intended operation. These women came to our genetic clinic in order to obtain some information on the teratogenic risks of prostaglandins applied during early pregnancy. On the basis of these consultation and risk assessment, all three women decided to continue their pregnancy, resulting in the delivery of a healthy child in each case.

Abnormalities, Drug-Induced↗
PubMed1988

[74 pregnancies despite a retained IUD].

The author's study of 74 pregnancies where an IUD had been inserted was unable to find any tangible reason for the failure of the contraceptive in 40 cases. In 26 cases, dislocation of the spiral was established, while in eight cases anatomical changes were presumed to be the reason for conception. Of the 154 "spiral pregnancies" recorded in Upper Austria in the study period (1984-1985), 92 (i.e., 77.3% of the 119 intact intrauterine pregnancies) culminated in termination, while there were 35 extrauterine pregnancies (22.7%). Of the remaining 27 pregnancies which went to term, there was not a single case of septic complication in the mother or of abnormality in the child. In the author's opinion this argument would seem to present a well-founded challenge to the widespread view that, for the sake of the mother or the fetus, termination is to be recommended if an IUD has been inserted.

Abortion, Incomplete↗