Abstract
Carpal tunnel syndrome (CTS) is a common finding among patients with cardiac amyloidosis. We sought to determine the prevalence of cardiac amyloidosis in patients who had undergone CTS surgery. From 2005 to 2014, 308 patients ≥ 60 years underwent CTS surgery. Of these, 233 (76%) agreed to participate in the study and 101 (73 ± 8 years; 68% females) showed left ventricular hypertrophy (LVH) ≥ 12 mm and underwent additional studies to diagnose AL and ATTR amyloidosis. Based on complementary studies, three patients were diagnosed with cardiac amyloidosis (two wild-type ATTR and one AL). The three patients showed bilateral CTS with no occupational risk factors. Prevalence of cardiac amyloidosis in the overall cohort was only 1.2% (3/233), but among patients with LVH and bilateral CTS, the prevalence was 5.5% (3/55) and 13.6% (3/22) if cases with an occupational risk factor were excluded. Cardiac amyloidosis should be excluded in the presence of bilateral CTS and particularly if an occupational risk factor is absent.
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This work was partially supported by Pfizer Inc. through an Investigator Initiated Research Grant to P.G-P. Pfizer Inc. played no role in the design, collection, analysis, or interpretation of the data or in the decision to submit the manuscript for publication.
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EGL reports consulting and speaking fees from Pfizer. PGP reports consulting fees from Akcea, Alnylam, Eidos, Neuroinmmune, Pfizer and Prothena; speaking fees from Akcea, Alnylam, Eidos, Pfizer and Prothena; and research funding from Alnylam, Pfizer and Prothena. Other authors have no conflict of interest relevant to this work to declare.
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Zegri-Reiriz, I., de Haro-del Moral, F.J., Dominguez, F. et al. Prevalence of Cardiac Amyloidosis in Patients with Carpal Tunnel Syndrome. J. of Cardiovasc. Trans. Res. 12, 507–513 (2019). https://doi.org/10.1007/s12265-019-09895-0
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DOI: https://doi.org/10.1007/s12265-019-09895-0