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Westin, Oscar; Fosbøl, Emil L.; Maurer, Mathew S.; Leicht, Birgitte P.; Hasbak, Philip; Mylin, Anne Kærsgaard; Rørvig, Sara; Lindkær, Thomas Hartvig; Johannesen, Helle Hjorth; Gustafsson, Finn
Journal of the American College of Cardiology, 09/2022, Letnik: 80, Številka: 10Journal Article
Bilateral carpal tunnel syndrome (CTS) is a common extracardiac manifestation of amyloidosis and usually predates overt cardiac amyloidosis (CA) by several years. Screening studies on patients undergoing CTS surgery have shown a low yield of CA (2.0%), but high prevalence of amyloid in the carpal ligament. The proportion of patients with amyloid in the carpal ligament who later develop CA is unknown. The authors sought to investigate the prevalence of undiagnosed CA 5 to 15 years after surgery for bilateral CTS. Using national registries, the authors identified subjects aged 60 to 85 years with prior CTS surgery, where the first procedure on the second wrist was performed 5 to 15 years earlier. Invitations to participate in the study were sent by mail. Per international recommendations, the initial cardiac evaluation included echocardiography, 99mtechnetium-pyrophosphate scintigraphy, and assessment of monoclonal proteins in serum and urine. A total of 250 subjects (35.7% of those invited) participated in the study. The median age was 70.4 years, and 50% were female. CA was diagnosed in 12 patients (4.8%; 95% CI: 2.5%-8.2%), and all cases were wild-type transthyretin amyloidosis (ATTRwt). The prevalence of ATTRwt in men was 8.8% (95% CI: 4.5%-15.2%; n = 11), and 21.2% (95% CI: 11.1%-34.7%) in male subjects ≥70 years with a BMI <30 kg/m2. All but 2 patients diagnosed with ATTRwt were in the lowest disease severity score (Mayo score). Screening for CA in patients with prior surgery for bilateral CTS finds approximately 5% with early-stage transthyretin CA. The clinical yield was higher (>1 in 5) when focusing on nonobese men ≥70 years, showing potential for systematic screening. Display omitted
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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