High‐resolution manometry in patients with idiopathic inflammatory myopathy: Elevated prevalence of esophageal involvement and differences according to autoantibody status and clinical subset

In this study we assessed high-resolution manometry (HRM) findings in patients with dermatomyositis and polymyositis.From 2008 to 2015, we performed a cross-sectional study of myositis patients. A survey of esophageal symptoms and HRM data were analyzed and compared among different clinical and serologic groups.Twenty-four (45%) of the 53 patients included in the study had manometric involvement that was not correlated with any esophageal...