| Franz Volhard and Theodor Fahr: achievements and controversies in their research in renal disease and hypertension. | |
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MedLine Citation:
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PMID: 11223997 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The clinician, Franz Volhard, and the pathologist, Theodor Fahr, worked closely together in Mannheim from 1909 until 1915 and introduced a novel classification of renal diseases. In the monograph entitled 'Die Bright'sche Nierenkrankheit, Klinik, Pathologie und Atlas' (1914) they differentiated between degenerative (nephroses), inflammatory (nephritides) and arteriosclerotic (scleroses) diseases. Nephrosclerosis was divided into the benign and malignant form, of which the latter stood the test of time as a new disease entity. Fahr further divided benign nephrosclerosis into the compensated and decompensated form--depending on the presence or absence of glomerular injury. In the pathogenesis of malignant nephrosclerosis, Volhard stressed the decisive role of severe blood pressure elevation, while Fahr postulated an inflammatory mechanism, a concept later confirmed by Adalbert Bohle for at least a minority of patients. A very far reaching concept of Franz Volhard was his idea that pale (renal) hypertension results from a pressor substance released from ischaemic kidney(s) contributing--via a vicious circle--to a further rise in blood pressure with subsequent renovascular injury and aggravation of hypertension. This hypothesis was supported in 1930 by initial experiments of his collaborator, Hartwich (demonstrating in dogs a mild rise in blood pressure after ligation of branches of the renal artery) and definitively proven by Goldblatt (1934) in dogs by induction of severe and persistent hypertension after clamping of both renal arteries. The consequent detection of the renin angiotensin system was the final confirmation of Volhard's postulated renal pressor substance. In the pathogenesis of red (essential) hypertension, Volhard stressed the role of hereditary factors, age, obesity and potentially of severe alcoholism. He emphasised a premature reduction of vascular distensibility (due to elastosis of the prearterioles), a high cardiac output as well as a dampening of baroceptor function. Additionally, Volhard made crucial advances in cardiology and pneumology. Journal of Human Hypertension (2001) 15, 5-16 |
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Authors:
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A Heidland; W Gerabek; K Sebekova |
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Publication Detail:
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Type: Biography; Historical Article; Journal Article; Portraits; Review |
Journal Detail:
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Title: Journal of human hypertension Volume: 15 ISSN: 0950-9240 ISO Abbreviation: J Hum Hypertens Publication Date: 2001 Jan |
Date Detail:
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Created Date: 2001-03-06 Completed Date: 2001-05-10 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 8811625 Medline TA: J Hum Hypertens Country: England |
Other Details:
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Languages: eng Pagination: 5-16 Citation Subset: IM |
Affiliation:
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Department of Internal Medicine, University of Wuerzburg, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Germany History, 20th Century Humans Hypertension / history* Kidney Diseases / history* |
| Personal Name Subject | |
Personal Name Subject:
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F Volhard; T Fahr |
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