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Waldenström Macroglobulinemia-Induced Cardiac Amyloid Light Chain Amyloidosis.
Ochsner J
January 2024
Division of Cardiology, Baylor Scott & White Medical Center, Temple, TX.
Waldenström macroglobulinemia is a rare cancer of plasma cells characterized by the excessive production of immunoglobulin M (IgM). IgM-associated systemic amyloid light chain (AL) amyloidosis is a rare complication of Waldenström macroglobulinemia, characterized by the misfolding of lambda light chains that deposit in various organs, including the heart. We describe a case of progressive nonischemic cardiomyopathy secondary to Waldenström macroglobulinemia and IgM-associated AL amyloidosis that was refractory to medical therapy and highlight the challenges in diagnosis and management.
View Article and Find Full Text PDFBackground: For the time being, tafamidis is the only approved treatment for wild-type transthyretin cardiac amyloidosis. However, benefits on all-cause death only emerge after ≈18 months. The current available staging systems are unable to specifically discriminate patients at high risk of death within 18 months from diagnosis, and the selection of patients who are expected to benefit from tafamidis is left to the clinical judgment of treating physicians, being often based primarily (and sometimes only) on age.
View Article and Find Full Text PDFProstatic amyloidosis: pathological features of an underdiagnosed condition.
Virchows Arch
December 2024
Department of Cardiology, Hospital Álvaro Cunqueiro, Vigo, Spain.
Amyloidosis is a rare disease that can affect genitourinary organs but the involvement of the prostate has been documented in a limited number of cases. We have reviewed morphologic and immunohistochemical features of prostate biopsies or surgical specimens in which an initial diagnosis of amyloidosis was made. Prostatic amyloidosis was diagnosed in 25 patients, 21 of them were needle biopsies (1.
View Article and Find Full Text PDFDisease-modifying therapies for amyloid transthyretin cardiomyopathy: Current and emerging medications.
Pharmacotherapy
December 2024
Department of Pharmacy Practice, University of Illinois Chicago, Chicago, Illinois, USA.
Transthyretin amyloidosis (ATTR) is a rare disease that results in amyloid fibril misfolding and deposition in multiple organs, including the heart, leading to the development of ATTR cardiomyopathy (ATTR-CM), which is associated with poor outcomes. In the last decade, several disease-modifying medications are in advanced stages of clinical development or have been approved to treat ATTR-CM. The purpose of this review is to critically evaluate clinical trial data investigating the use of approved and investigational medications for the treatment of ATTR-CM.
View Article and Find Full Text PDFRejection in the setting of combined Heart and Liver Transplantation.
Int J Cardiol Congenit Heart Dis
March 2024
Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
Introduction: Each year the number of combined heart-liver transplants (HLT) increases, with two distinct patient populations proceeding down this pathway. The first are patients with congenital heart disease (CHD), most commonly single ventricle patients palliated with Fontan. The second group are those with long standing congestive hepatopathy, amyloidosis, hemochromatosis, or alcohol induced myopathies and liver disease.
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