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Biomedical subjects

V Herout

Publications and source records attributed to V Herout.

At least 19 recordsLinked to original sources

[Hemorrhage into the digestive tract as a cause of death in patients after kidney transplantation].

The authors investigated the prevalence, cause and possible prevention of haemorrhage into the gastrointestinal tract in 218 patients after transplantation of the kidney (TK). 1. Haemorrhage into the gastrointestinal tract after TK occurred in 32 patients incl. 53.1% who died. In the total mortality after TK haemorrhage into the gastrointestinal tract account for 15.7%. 2. The danger of haemorrhage into the gastrointestinal tract is increased in particular: in the early postoperative period (within one month after transplantation of the kidney), during acute rejection with declining function of the graft, in infectious complications, after graftectomy, in preexisting peptic ulcers. 3. The most frequent cause of haemorrhage were duodenal ulcers. The authors elaborated a system of preventive provisions which involve: a) medicamentous prophylaxis by administration of H2 blockers and antacids not only at the time of transplantation of the kidney and during the early postoperative period but also when there is an increased risk, b) detailed gastroenterological examination before transplantation of the kidney, c) in case of relapsing peptic ulceration in the case-history or haemorrhage into the gastrointestinal tract, subject patients on the waiting list for transplantation of the kidneys during the dialyzation period to proximal gastric vagotomy, or so-called highly selective vagotomy.

Gastrointestinal Hemorrhage

[Results of audiometric testing in patients with chronic renal insufficiency who were tested in 1985 and 1986].

Partial hearing loss has been proved audiometrically in 38/82 patients submitted to the chronical intermittent or transplantation program in 1985. However, in only 27 patients the interrelationship with the main renal disease or its management was established on the basis of anamnestical data, age and type of audiometric curve. The audiometric control examination delayed up to 1 year resulted in one case of expressive partial hearing loss as related to the administration of ototoxical drugs. In order to evaluate precisely the dependence of progressive partial hearing loss on the dialysis, the long-term monitoring is required.

Adolescent

Cardiomyopathy and changes of skeletal muscles in cystic fibrosis.

Cardiomyopathy (CMP) was found in 26 children with cystic fibrosis (CF), 24 of them died, the majority of them during the first 3 years of life. Only 4 of them were older than 10 years. 2 children are living. CMP must be suspected in young children with CF and early heart failure. When CMP is the cause of sudden death, CF has to be suspected. The combination of changes in skeletal and cardiac muscles in CF is reported here for the first time.

Cardiomyopathies

[A heparin-like anticoagulant in a patient with Wegener's granulomatosis].

We identified a circulating, heparin-like anticoagulant in a patient with Wegener's granulomatosis. Routine coagulation studies revealed a significant prolongation of the coagulation time, thrombin time, prothrombin time and activated partial thromboplastin time. Thrombin time and activated partial thromboplastin time failed to improve in a 1:1 mixture with pooled normal plasma. Both test were corrected in vitro by addition of protamine sulfate or toluidine blue and in vivo by intravenous administration of protamine sulfate. Recognition of the existence of this or other similar inhibitors in bleeding patients is of value because of the possibility of treatment with protamine sulfate, which neutralizes the anticoagulant.

Adult

Long-term experience with the technique of subclavian and femoral vein cannulation in hemodialysis.

Large vein cannulation for hemodialysis was used in 1164 patients undergoing dialysis treatment and in an acute dialysis program. Subclavian vein cannulation was utilized in 2494 dialyses, and femoral vein cannulation was used in 2368 dialyses. No significant differences with regard to clinical complications were encountered in either type of cannulation. The mortality rate due to subclavian vein cannulation was 0.12%, while that due to femoral vein cannulation was 0.04%. The main risk of subclavian vein cannulation was arterial bleeding, due to trauma to an artery, and pneumothorax, more likely occurring in asthenic patients or in patients with emphysema. Single-needle hemodialysis using subclavian or femoral vein cannulation gave the same results as the arteriovenous Cimino fistula. Intermittent or combined use of both types of large vein cannulation is advantageous in long-term regular dialysis patients that are waiting for a new fistula.

Catheterization

[Tuberculosis in patients deceased of renal insufficiency in a long-term hemodialysis program].

Eight cases of tuberculosis were seen in a series of patients dying of renal insufficiency after having been subjected to a long-term haemodialysis. In 5 cases Mycobacterium tuberculosis was successfully cultivated (4 were typed as human, 1 as bovine). In 5 cases the disease affected mainly the lymph nodes, not the lungs. In 3 of these a prevalence of abscessing specific granulomas with the presence of leucocytes was noted on microscopical examination. The findings have been regarded as possibly related to an impairment of cellular (lymphocytic) immunity, presumably caused by chronic uraemia or long-term haemodialysis.

Adult

[Goodpasture's syndrome].

1. The paper summarizes the clinical course, histopathological examinations and immunohistological examinations of 4 personal cases [2 males aged 20 and 26 years, 2 females aged 65 and 18 years] of Goodpasture's pulmorenal syndrome. 2. The characteristic histopathological findings included pulmonary haemorrhage with a focal acute alveolitis and renal lesions that were classed as acute or subacute glomerulonephritis with the finding of scarce multinucleated cells. Such cells are regarded as being of diagnostic value and they are thought to indicate interaction of antibodies with the basement membranes. 3. Immunohistologically, all the cases showed a linear fluorescence following the basement membrane of the interalveolar septa. In 3 of the cases there was linear fluorescence in the glomerular capillary walls. In one case [observation No. 2] who had been hypertensive before death and had had necrotizing arteriitis at postmortem, there was fluorescence of granular type in the kidney believed to indicate the participation of immune complexes in the development of the pathological condition.

Adolescent