FAP News Today, November 2019 – In Clinical Autonomic Research, researchers reviewed the natural history of autonomic involvement in hereditary ATTR amyloidosis. The authors selected 10 reviews, 10 clinical trials extension studies and 8 clinical cases or series in different patient populations to help characterize the autonomic dysfunctions of people with hereditary ATTR amyloidosis. The analysis showed that autonomic symptoms were present in 50 percent to 80 percent of the patients.