Subclavian Fat Biopsy with the Pacemaker Implantation is Useful for the Diagnosis of Amyloidosis

Keiji Matsunaga, Yusuke Hasui,Kaori Ishikawa,Kazushi Murakami, Takahisa Noma and Tetsuo Minamino*

Received: May 31, 2018;   Published: June 14, 2018

DOI: 10.26717/BJSTR.2018.05.001231

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Abstract

Amyloidosis has been regarded as a rare disease, however, recent reports demonstrated that the prevalence of wild type ATTR amyloidosis is up to 25% in elderly persons aged 80 years or older. Progressive conduction disease is common in ATTR amyloidosis and approximately 20- 40% of patients with amyloidosis is estimated to require the pacemaker implantation. However, the diagnosis of amyloidosis in these patients would be underestimated because the invasive biopsy for the diagnosis is often hesitated in elderly persons. Therefore, it is ideal to perform the invasive biopsy to diagnose amyloidosis at the timing of pacemaker implantation. We here report the case that the subclavian fat biopsy with the pacemaker implantation was useful for the diagnosis of amyloidosis.

Keywords: Amyloidosis; Cardiac amyloidosis; Subclavian Fat Biopsy; Pacemaker Implant

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