Document Detail

Clinical and pathological studies of cardiac amyloidosis in transthyretin type familial amyloid polyneuropathy.
MedLine Citation:
PMID:  14986482     Owner:  NLM     Status:  MEDLINE    
To clarify the clinicopathological features of cardiac amyloidosis in transthyretin (TTR) familial amyloid polyneuropathy (FAP), 169 patients were divided into three groups. Group I consisted of 113 patients with ATTR Val30Met who originated from an endemic focus, II consisted of 36 patients with ATTR Val30Met in nonendemic areas, and III consisted of 20 patients who had non-Val30Met ATTRs with 15 different gene mutations. The median age of onset in Group I was 34 years. On our initial examination, only one 65-year-old female patient was found to be suffering from congestive heart failure. During the follow-up of 65 patients, 7 developed congestive heart failure, the average duration of their illness being 8.7 years. In Group II, the median age of onset was 53 years and 6 of the 36 patients were diagnosed as having cardiac amyloidosis in the course of this disease. In 20 autopsied patients with ATTR Val30Met, congestive heart failure was clinically seen in 6 of the 20 and all 6 showed considerably increased cardiac weight (500g or more). In Group III patients with non-Val30Met ATTRs, the median age of onset was 51.5 years and 14 of the 20 patients had cardiac amyloidosis with congestive heart failure on admission or soon after a definite diagnosis. Cardiac amyloidosis occurs in the classical form of FAP with ATTR Val30Met, especially in older patients, and is also a common clinical manifestation in FAP patients with non-Val30Met ATTRs. In the pathogenesis of cardiac amyloidosis in ATTR FAP, aging seems to play an important role.
Takeshi Hattori; Yo-ichi Takei; Jun Koyama; Masamitsu Nakazato; Shu-ichi Ikeda
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Amyloid : the international journal of experimental and clinical investigation : the official journal of the International Society of Amyloidosis     Volume:  10     ISSN:  1350-6129     ISO Abbreviation:  Amyloid     Publication Date:  2003 Dec 
Date Detail:
Created Date:  2004-02-27     Completed Date:  2004-09-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9433802     Medline TA:  Amyloid     Country:  United States    
Other Details:
Languages:  eng     Pagination:  229-39     Citation Subset:  IM    
Third Department of Medicine, Shinshu University School of Medicine, Matsumoto 390-8621, Japan.
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MeSH Terms
Aged, 80 and over
Amyloid / genetics*
Amyloid Neuropathies, Familial / genetics,  pathology*
Amyloidosis / pathology*
Cardiomyopathies / pathology*
Middle Aged
Prealbumin / genetics*
Retrospective Studies
Reg. No./Substance:
0/Amyloid; 0/Prealbumin; 0/transthyretin-related amyloid fibril protein, human

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