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Biomedical subjects

H Wagner

Publications and source records attributed to H Wagner.

At least 685 records · Page 38Linked to original sources

[Treatment of colitis ulcerosa during pregnancy (author's transl)].

Aggressive pharmacotherapeutic and surgical measures are often contra-indicated in the treatment of colitis ulcerosa in pregnancy. Especially in the sensitive embryonal development phase, the use of antibiotics, anti-inflammatory drugs, chemotherapeutics and ACTH is considered questionable. The subtotal colectomies and ileostomies often demanded in toxically dramatic colitides place a considerable burden on mother and foetus. A conservative therapeutic regimen, which has been successfully used in more than 80 patients with inflammatory intestinal diseases, was modified to suit the requirements of pregnancy. This is a combination therapy involving parenteral feeding, food which can be absorbed by the intestinal walls, and a suitably adapted pharmacotherapy. In one case of a severe toxic relapse of colitis ulcerosa during early pregnancy, remission was achieved in a patient while fully maintaining the pregnancy.

Adult↗

Depressed prostaglandin release from peritoneal cells induced by a T cell adjuvant, lentinan.

PGE and PGF release from peritoneal exudate cells was studied in mice after injection with two beta (1-3) glucans, the antitumor active lentinan and the inactive pachyman, 4 days after injection of both polysaccharides, the spontaneous and phagocytosis-induced PGE and PGF release was markedly suppressed. However, only the immunopotentiator lentinan induced peritoneal exudate cells which exhibited a longer lasting diminished PG release. The data suggest that the T cell adjuvant lentinan may potentiate cellular immune responses by reducing synthesis of immune suppressive prostaglandins from peritoneal exudate cells.

Adjuvants, Immunologic↗

[A new functional durable mold after surgical correction of vaginal aplasia (author's transl)].

Unsatisfactory long-term results following operative construction of a neo-vagina are often produced by contraction in the upper third of the blind vagina. These contraction tendencies can only be halted by use of durable molds. Standardized phalli are not, in our experience, well-suited for this purpose. Fabrication and fitting of an individual durable mold of tissue-neutral plastic, adapted to pelvic stability and function and yielding a good measure of success, are described.

Dilatation↗

[Unilateral hyperplasia of mammae during pregnancy].

The article reports on a case of marked unilateral hyperplasia of the mammae during pregnancy. Literature references show that this is a rare occurrence. The possible complications require an intensive control. Although malignant degeneration has not been reported, the authors believe that diagnostic clarification is mandatory.

Adenoma↗

[On the influence of clanobutine on the formation of restraint ulcer in rats (author's transl)].

Prophylactic effect of 4-[(4-chlorobenzoyl)(4-methoxyphenyl)-amino]-butyric acid (clanobutine, Bykahepar) on restraint stress ulcer formation was studied in male albino rats. Number and size of ulcers were counted, pH value of gastric juice and plasma levels of corticoids, glucagon and blood sugar were measured. Rats treated with clanobutine had only the one-third of ulcers compared with the untreated animals. This effect was found to be dose-dependent. Clanobutine did not change plasma levels of corticoids, glucagon or blood sugar. Rise in pH value of gastric juice during stress exposition was found to be lower in clanobutine treated animals than in untreated controls. Blood flow in gastrointestinal tract was seen to be much better under the influence of clanobutine. The mechanism of action of clanobutine is discussed.

Animals↗

[Results of the follow-up of the position of intra-uterine device by ultra-sonography (author's transl)].

The position of the intra-uterine device copper-T in 1372 women was followed up by ultrasound for four years. During this time 2565 ultrasound studies for the position of the intra-uterine device were carried out. The intra-uterine device was found in the cervix in 81 ultrasound investigations and removed or exchanged. In 12 cases the device was pushed back into the uterine cavity. 12 women became pregnant. This corresponds to a Pearl index 0.72 with a mean insertion time of 14.6 months and 20.000 patient-months of wearing of an intra-uterine device. In 9 of the 12 pregnant cases the device was found in the cervix. 6 of these patients reported only once instead of the projected four times for ultra-sound follow-up and the last normal ultrasound follow-up was usually nine months or longer ago. Our findings suggest that the contraceptive effectiveness of an intra-uterine device can be improved by regular ultra-sonic control of the position and can by approximated to the effectiveness of hormonal contraception.

Cervix Uteri↗

T-T-cell interactions during the vitro cytotoxic allograft responses. I. Soluble products from activated Lyl+ T cells trigger autonomously antigen-primed Ly23+ T cells to cell proliferation and cytolytic activity.

Secondary murine cytotoxic T lymphocyte responses from alloantigen-primed T cells can be induced in vitro by apparently unrelated regimens, such as addition of either concanavalin A (Con A), conditioned medium from Con A stimulated lymphocyte cultures, conditioned medium from secondary mixed lymphocyte cultures (MLC), or stimulator cells sharing only the I-region with the stimulating cells used for primary sensitization. We now report that upon polyclonal (Con A), or antigen-specific (MLC) stimulation, Lyl+ T cells release a factor, which in turn triggers alloantigen primed Ly23+ T cells to proliferation and cytolytic activity. The secondary cytotoxic T lymphocyte inducing factor (SCIF) is produced within 24 h. For its production, an intact protein metabolism, not DNA metabolism, is required. Once induced, the functional activity of SCIF is nonspecific and not H-2 restricted. SCIF allows exponential growth and long-term propagation of cytolytic Ly23+ T cells with specificity to alloantigens used for primary sensitization. SCIF induced activation of alloantigen primed Ly23+ T cells does not require the presence of alloantigens. The results therefore reveal a process by which Lyl+ T-cell-derived nonspecific factor(s) induce autonomously Ly23+ T-cell-mediated, antigen-specific, cytotoxic T lymphocyte responses.

Animals↗

[Influence of thyroid state on noise-induced cochlea damage (author's transl)].

Guinea pigs were exposed to pure tone noise (2.7 kHz, 130 dB, 1 h) and cochlear microphonic potentials were measured after 5 days. It is possible, to modify the resulting damage by experimentally altering the rate of metabolism by regulating the function of the thyroid gland. (table: see text) A hypofunction of the thyroid gland during sound exposure lessens, an over-function aggravates the damage. This effect possibly results from the influence on the metabolism exerted by the adenylic system. This conclusion leads to new viewpoints concerning prophylaxis, therapy and metaphylaxis in cases of noise deafness.

Adenylyl Cyclases↗

[Peripheral microthrombotic purpura associated with acute promyelocytic leukemia in pregnancy. A light and electron microscopic study].

A case is presented of a pregnant patient in the 28th week of gestation with promyelocytic leukemia and an unusual thrombohemorrhagic skin lesion. Ultrastructural examination revealed a microthrombotic purpura. Reduced coagulation factors increased during heparin treatment. The exacerbation of disseminated intravascular coagulation is explained by a hypercoagulable state in pregnancy in association with the as yet unknown etiology of "promyelocytic fibrinopathic leukemia".

Adult↗