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Biomedical subjects

E Wildhirt

Publications and source records attributed to E Wildhirt.

At least 19 recordsLinked to original sources

[Hepatitis non-A, non-B-associated substance in stool from patients with posttransfusion and sporadic hepatitis].

A hepatitis non-A,non-B-associated substance (HNANB-AS) excreted in feces has been detected by means of a sandwich radioimmunoassay using reconvalescent serum and IgG from patients with posttransfusion HNANB. 4380 stool filtrates from 1599 patients were screened with this assay. In patients with posttransfusion or sporadic acute and chronic HNANB the substance was detected with a mean frequency of 34%, in acute posttransfusion HNANB, where samples were screened at the beginning of the clinical symptoms, 71.4% of stool specimens were positive for HNANB-AS. A high frequency of positive results was found in patients undergoing dialysis (31.3%), hemophiliacs (16.6%) and patients with cryptogenic cirrhosis (16%). Positive specimens were seen in hepatitis A (7.1%), acute and chronic HBV-infection (9.6%), various liver diseases (7.8%), outpatients of a physician (3.1%) and clinical or laboratory staff (6%). In these groups, too, anamnestic data speaking in favour for a possible HNANB frequently were obtained. The discovery of a partially double-stranded circular DNA of 5.0 Kb in HNANB-AS which sequence differs from human, bacterial and known viral DNA, argues the presence of a viral particle in stools of patients with sporadic and parenteral HNANB.

Acute Disease

[Congenital cystic dilatation of the intrahepatic bile ducts (Caroli syndrome)].

Caroli's syndrome is a rare disease, six cases of which were under the authors' care between 1979 and 1986. None had associated congenital hepatic fibrosis; one had an associated choledochal anomaly. Endoscopic retrograde cholangiography proved to be the most sensitive diagnostic method. Liver abscess and secondary biliary cirrhosis of the liver developed as complications. Partial liver resection was possible in two patients in whom only one lobe had been affected.

Bile Ducts, Intrahepatic

[Significance of laparoscopy in the diagnosis of hepatocellular carcinoma in siderocirrhosis].

A case report is given of a patient with liver cirrhosis caused by hemosiderosis, who developed liver carcinoma. In such patients liver carcinoma can only be excluded by means of peritoneoscopy. Sonography, computer tomography and laboratory findings will not allow to make the correct diagnosis, because of the particular nature of liver changes in hemosiderosis of the liver, as can be seen in our case. Thus none of the non-invasive procedures mentioned above are suited for early diagnosis of malignant liver disease because of the special morphological features in hemosiderosis of the liver.

Carcinoma, Hepatocellular

[Influence of (+)-cyanidanol-3 on the course of acute viral hepatitis (author's transl)].

A double-blind study was conducted in four hospitals to test the effect of (+)-cyanidanol-3 (Catergen) on the course of acute viral hepatitis. Activities of a number of enzymes, bilirubin levels and gamma-globulin concentrations, as well as elimination of HBs antigen in blood were measured serially in 73 patients with viral hepatitis, 37 being treated with the drug, 36 patients receiving a placebo. In addition, liver biopsies before and after treatment were compared (19 patients treated, 23 patients on placebo). There was no significant difference between the treatment and placebo groups with regards to morphological and biochemical changes.

Adolescent

[A peculiar type of chronic persisting hepatitis (author's transl)].

Six cases of persisting hepatitis with a duration of 3 to 9 years are reported. During this time 2--3 acute inflammatory episodes occurred with transaminase levels raised to more than 500 U/l. Icterus did not occur during these attacks. The remaining laboratory parameters which are usually normal in persisting hepatitis (gamma-GT, bromsulfalein) were pathological during the acute attack and later became normal. As the disease progressed after overcoming the attack, the transaminases were only slightly raised in all cases. Laparoscopy and histological examinations of between three and nine punctates gave an unchanged picture of chronic persisting hepatitis. During the acute attack the inflammatory activities in the liver punctates increased, there were also increased single cell necroses. It is suggested that this peculiar type of chronic persisting hepatitis shall be called "acute recurrent persistent hepatitis.".

Adrenocorticotropic Hormone

Simultaneous occurrence of perimembranous glomerulonephritis and glomerular amyloidosis.

The results of electron microscopic examination of renal biopsies from 3 patients with rheumatoid arthritis treated with penicillamine are presented. All 3 patients developed a nephrotic syndrome upon discontinuation of penicillamine therapy. When viewed with the electron microscope, segmental forms of perimembranous glomerulonephritis (Stages I-II of Ehrenreich and Churg) and glomerular renal amyloidosis Grade I-III were observed. In all three cases the nephrotic syndrome was considered to be due to the simultaneous occurrence of the two disease processes. In 2 cases perimembranous glomerulonephritis with immuno-complex-deposits was assumed to be the dominant factor in the causation of the disease, in the other case amyloidosis was the principle abnormality.

Amyloidosis