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[The so-called dihydralazine hepatitis. A contribution to the pathogenesis]. 1985

M Reinhardt, and G Machnik, and B Krombholz, and G Jahn

Liver injuries following application of dihydralazine in 14 patients, ten of them with the typical pattern of perivenous liver cell necrosis, are reported. The other 4 patients, all having been exposed to additional hepatotoxic substances, histologically showed mixed patterns of tissue injury in liver biopsy. Moreover, in 6 of 14 patients there were diseases in the upper abdomen and/or metabolic disorders as well as an exposition to chemical hepatotoxic substances, or an additional application of potential hepatotoxic drugs. 9 of 14 patients had been treated with propranolol and dihydralazine simultaneously. One female patient showed the typical morphologic pattern of 'dihydralazine-damage' after application of propranolol only. In 3 cases with reexposition of dihydralazine merely one of them developed the typical histological behaviour documented in the literature. Distinct fibrosis of the liver remained in 2 cases. Consequently, to the hitherto existing pathogenetic concept of dihydralazine-caused liver injury as a metabolic-toxic-allergic one, there is to be added the new aspect of summing up of the actions of various additional noxious agents.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008105 Liver Cirrhosis, Biliary FIBROSIS of the hepatic parenchyma due to obstruction of BILE flow (CHOLESTASIS) in the intrahepatic or extrahepatic bile ducts (BILE DUCTS, INTRAHEPATIC; BILE DUCTS, EXTRAHEPATIC). Primary biliary cholangitis involves the destruction of small intra-hepatic bile ducts and decreased bile secretion. Secondary biliary cholangitis is produced by prolonged obstruction of large intrahepatic or extrahepatic bile ducts from a variety of causes. Biliary Cirrhosis,Biliary Cirrhosis, Primary,Biliary Cirrhosis, Secondary,Cholangitis, Chronic Nonsuppurative Destructive,Liver Cirrhosis, Obstructive,Primary Biliary Cholangitis,Biliary Cirrhosis, Primary, 1,Primary Biliary Cirrhosis,Secondary Biliary Cholangitis,Secondary Biliary Cirrhosis,Biliary Cholangitides, Primary,Biliary Cholangitis, Primary,Biliary Cholangitis, Secondary,Cholangitides, Primary Biliary,Cholangitis, Primary Biliary,Cholangitis, Secondary Biliary,Cirrhosis, Biliary,Cirrhosis, Secondary Biliary,Liver Cirrhoses, Biliary,Obstructive Liver Cirrhosis,Primary Biliary Cholangitides,Secondary Biliary Cholangitides
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009336 Necrosis The death of cells in an organ or tissue due to disease, injury or failure of the blood supply.
D011433 Propranolol A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs. Dexpropranolol,AY-20694,Anaprilin,Anapriline,Avlocardyl,Betadren,Dociton,Inderal,Obsidan,Obzidan,Propanolol,Propranolol Hydrochloride,Rexigen,AY 20694,AY20694,Hydrochloride, Propranolol
D004078 Dihydralazine 1,4-Dihydrazinophthalazine. An antihypertensive agent with actions and uses similar to those of HYDRALAZINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p354) Depressan,Dihydralazine Sulfate,Dihydrallazine,Dihydrazinophthalazin,Sulfate, Dihydralazine
D004359 Drug Therapy, Combination Therapy with two or more separate preparations given for a combined effect. Combination Chemotherapy,Polychemotherapy,Chemotherapy, Combination,Combination Drug Therapy,Drug Polytherapy,Therapy, Combination Drug,Chemotherapies, Combination,Combination Chemotherapies,Combination Drug Therapies,Drug Polytherapies,Drug Therapies, Combination,Polychemotherapies,Polytherapies, Drug,Polytherapy, Drug,Therapies, Combination Drug
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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