Transcervical intrauterine embryo transfer (ET) with a new everting catheter and "peel-back" technique.
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Biomedical subjects
Publications and source records attributed to M Kaisi.
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In order to determine the suitability of new microlaparoscopes of < 2.0 mm diameter for diagnostic laparoscopy, 28 small diameter laparoscopies (SDL) were performed during a 4 month period. These cases were performed under general anaesthesia with immediate follow-up confirmation with conventional laparoscopic equipment (group I). An additional 13 SDL procedures were performed under analgesic sedation plus local anaesthesia and were well tolerated by the patients (group II). For group I, the visualization results were comparable in 27 out of 28 procedures. In group II, patients were highly satisfied and reported less post-procedural discomfort and minimal scar formation due to the smaller access ports. In this study, two different types of microlaparoscopes were used; while both were adequate, the newer high-resolution microlaparoscope delivered an image much more similar to conventional laparoscopy and required little or no change in technique in order to obtain images. This new endoscopic technology, with optical performance comparable to that of conventional laparoscopy, has been demonstrated to be a useful procedure for certain clinical indications.
The sera of 849 Tanzanian pregnant women were tested at delivery for Toxoplasma gondii antibodies with the Sabin-Feldman dye test (DT) and an immunosorbent agglutination assay. A total of 296 (35%) of these women had DT titers greater than 1:4. The percentage of women with dye test titers greater than 1:4 was 34-37% regardless of the individual ages. The rate of positivity for human immunodeficiency virus 1/2 (HIV-1/2) using Western blotting was 11.5%. There was no relationship between prevalence of a positive DT result and HIV infection nor between the intensity of the DT result and HIV infection. Sixty-four parturients had a DT titer of 1:1,000 or more. From 57 newborns of these mothers, cord sera were available and were screened by the DT and the immunosorbent agglutination assay. Seven of these were found to be positive for IgM and/or IgA antibodies. It was concluded that the rate of serologic evidence for prenatal Toxoplasma infection in cord blood samples in the present study of Tanzanian pregnant women was approximately 0.8%.
Chlorinated hydrocarbons are distributed worldwide and due to their lipophilic properties and chemical stability they accumulate in the foodchain. The concentrations of 19 different chlorinated hydrocarbons (hexachlorohexane (HCH), DDT and various metabolites and nine different polychlorinated phenyl (PCB) congeners were detected in various body tissues and fluids (maternal and fetal serum, adipose tissue, placenta, amniotic fluid) of full term pregnant women from Germany and Tanzania. Great variation of total toxin burden and toxin distribution within the different body compartments was found. This was in part due to local differences of exposure to some of the chlorinated hydrocarbons. Comparing samples from Germany and Tanzania, typical distribution patterns reflected the specific economic situation of the two countries with a high burden of insecticides (DDT and Dieldrin) in the agricultural country and high levels of constituents of industrial products (hexachlorobenzene (HCB) and PCBs) in Germany. Different chlorinated hydrocarbons seem to show different distribution patterns in body tissues, probably due to their chemical structure, the lipid content of the compartment and the overall toxin burden of the individual. A 10 to 100 fold accumulation of chlorinated hydrocarbons was observed in maternal adipose tissue compared with the other compartments. The concentrations of certain toxins in fetal cord serum and placenta were higher than in maternal serum.
Six hundred twenty-three pregnant women with iron deficiency anemia received iron dextran Imferon by total dose infusion (TDI). Two dose levels were compared in respect of tolerance and hemoglobin response. The incidence of delayed reactions was significantly higher in the high dose group (P less than 0.01) but there was no significant difference in the incidence of reactions occurring during the infusion. These findings are discussed in relation to the hemoglobin response.