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Biomedical subjects

J Cerný

Publications and source records attributed to J Cerný.

At least 127 records · Page 7Linked to original sources
PubMed1986

Prognostic factors in Hodgkin's disease.

Between 1978-84 371 patients with HD were treated according to Protocol of LCG. 72.5% achieved complete, 10.8% partial remission and 16.7% were nonresponders. The evaluation of results was performed by PIL program from BMDP 81. The mean survival was 61 and disease-free survival (DFS) 60 months. The cumulative survival and DFS at 5 years were 65% and 68%, resp. Advanced HD, B symptoms, histopathology LD, male sex and age above 40 years influenced survival adversely. DFS decreased with CS III B, in males and age above 60 years significantly and in histopathology MC and LD with lack of significance. However, the size of mediastinal involvement was not a poor prognostic factor for survival, but influenced DFS. The prognostic value of major risk factors in HD was estimated by means of frequencies of their associations.

Adult↗
PubMed1986

[Micromorphometric study of changes in the gastric mucosa after proximal selective vagotomy in rats].

Micromorphometry produced a graphic hardware for computer in a study of gastric mucosal hyperemia in rats after proximal selective vagotomy. Hyperemia was found in intervals of 1 day and 7 days after operation in gastric body, whereas lasted only 1 day in pyloric antrum [after 7 days the picture was similar to the sham-operated animals]. Histology did not help to distinguish between a passive and active hyperemia.

Animals↗
PubMed1986

Hematological and biochemical studies in calves living over 100 days with the polymethylmethacrylate total artificial heart TNS Brno II.

A polymethylmethacrylate total artificial heart (kinetic components made of polyetherurethane) of TNS Brno II type was implanted into seven calves (2-5 months of age) surviving for the average of 152.4 +/- 19.1 days after the implantation. During the entire post-operative period the animals received oral warfarin-sodium, acetylsalicylic acid, dipyridamole and alpha-tocopherol. Blood was taken for biochemical and hematological examinations twice a week from the jugular vein. During the experiments there were decreases in the number of red blood cells, hematocrit and hemoglobin levels. Plasma free hemoglobin and serum enzymes (alkaline phosphatase, AST, ALT, LDH) increased. Coagulation tests were abnormal because anticoagulation therapy was used. There were minimal changes in the number of white blood cells and platelets, fibrinogen, blood pH, blood glucose, serum electrolytes, bilirubin (total and direct), creatinine, blood urea, and lactate. Possible reasons for observed changes include the gradual rise in the central venous pressure and damaged function of the liver parenchyma. Other factors playing a possible role in inducing changes in laboratory findings are also discussed.

Animals↗
PubMed1985

The effect of intermittent treatment with sulphadimidine on coccidiosis in preruminant calves.

Preruminant calves excreted coccidia oocysts in their faeces after 3 weeks of group housing. Two weeks of oral sulphadimidine (SDM) administration, 50 mg/kg on the first day of treatment followed by daily administration of 37.5 mg/kg, under the same housing conditions kept the faeces free of oocysts. Three weeks later, these calves excreted oocysts again. Repetition of the same treatment for 2 weeks controlled the infection again, but a second treatment for 5 days did not suffice. The repeated long treatment affected immunoglobulin levels adversely. SDM given repeatedly at a lower dose rate (30 mg/kg) for 1-week periods with medication-free intervals of 1 week controlled the infection and no adverse effects were noted. In comparison with controls, weight gains were greater in treated calves.

Animals↗
PubMed1985

Innervation of atrial stumps in calves living with the TNS-Brno II artificial heart.

The remnant stumps of the atria in six calves surviving with the artificial TNS-Brno II methacrylate heart for up to 5 months were examined by means of the Bodian silver-impregnating technique and by the formalin-induced fluorescence technique visualizing noradrenaline in monoaminergic nerve terminals. The degeneration of the nerve terminal system detected in animals surviving for 2 days and 1 week was followed by regeneration of the vegetative nerve system in four animals surviving for greater than 1 month. Moreover, thick myelinated nerves afferent in character were detected within the atrium of one animal surviving for 5 months.

Animals↗
PubMed1984

Coccidiosis in preruminating calves the effect of management and short-term treatment on the spread of infection and reinfection.

In farms with large numbers of individually-housed calves, the spread of coccidia is slow. In group pens, however, all the calves became infected within 3-4 weeks of being housed together. At the beginning of group housing no oocysts were found in the faeces of any of the calves. Sulphadimidine (SDM) was administered for 3 or 12 days at different doses and different times. Administration of the drug on Days 3-5 of group housing had no effect. Given between Days 11 and 13 or 17-19, the drug lowered (for a short period) the number of animals found to be excreting oocysts. SDM given between Days 6 and 17 kept the animals oocyst-free during that period. Within 2-3 weeks after the treatment all animals were excreting oocysts.

Animal Husbandry↗
PubMed1984

Mechanisms causing the death of 8 calves surviving with implanted artificial heart from 31 to 173 days.

Causes of the death of four animals from the total of eight were technical failures (diaphragm perforations, disconnection of the quick-connector, and a failure of the supply of electric current which could not be prevented). Causes of the death of the remaining four animals were embolisation in the brain stem, embolisation in the superior mesenteric artery leading to diffuse peritonitis, ruptures of aorta and hemocoagulation disorder causing fatal gastrointestinal bleeding.

Animals↗