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The clinical features of immunoglobulin light-chain (AL) amyloidosis with heart involvement.

Dubrey, S W, Cha, K, Anderson, J, Chamarthi, B, Reisinger, J, Skinner, M and Falk, R H (1998) The clinical features of immunoglobulin light-chain (AL) amyloidosis with heart involvement. QJM : monthly journal of the Association of Physicians, 91 (2). pp. 141-57. ISSN 1460-2725

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Abstract

We reviewed clinical presentation, investigations, therapy, prognosis and outcome of 232 patients with primary (AL) cardiac amyloidosis. There were 142 men and 90 women. Median age at presentation was 59 years (range 29-85). AL heart disease was unusual both in patients under the age of 40 (3.0%) and in non-Caucasians (6.5%). Fatigue and weakness were the commonest presenting symptoms. Hallmark features of periorbital ecchymoses and macroglossia were present in 12.5% and 27.2%, respectively. AL cardiac amyloidosis was unusual in isolation (3.9%), and most frequently patients had features of multiorgan dysfunction; heavy proteinuria and features of malabsorption predominating in this respect. Heart involvement represents the worst prognostic indicator, with a median survival from diagnosis of 1.08 years, falling to 0.75 years with the onset of heart failure. Current therapeutic procedures appear to prolong survival, with left ventricular wall thickness, mass and ejection fraction on echocardiography and late potentials on signal averaged electrocardiography of use in prognostic stratification. Cardiac involvement from AL amyloidosis is rapidly fatal. It should be suspected in all patients with heart failure who have wall thickening on echo, normal chamber sizes, low EKG voltages and evidence suggesting a multisystem disease.
Item Type: Article
Subjects: WG Kardiovaskuläres System
Divisions: Ordensklinikum Linz Barmherzige Schwestern > Interne II - Kardiologie
Depositing User: Dr. Christian Vogel
Date Deposited: 15 Nov 2012 09:12
Last Modified: 15 Nov 2012 09:12
URI: http://eprints.vinzenzgruppe.at/id/eprint/12

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