Entheseal Changes in Response to Age, Body Mass Index, and Physical Activity: An Ultrasound Study in Healthy People

From the Faculty of Medicine, Division of Rheumatology, and the Division of Internal Medicine, University of Ottawa, Ottawa; Women’s College Research Institute, Women’s College Hospital; Department of Medicine, University of Toronto, Toronto; Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. D. Solmaz had funding from the Union Chimique Belge for an axial spondyloarthritis fellowship. S. Bakirci had funding from the Turkish Society for Rheumatology. S. Bakirci, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; D. Solmaz, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; W. Stephenson, MD, Faculty of Medicine, Division of Internal Medicine, University of Ottawa; L. Eder, MD, PhD, Women’s College Research Institute, Women’s College Hospital and the Department of Medicine, University of Toronto; J. Roth, MD, University of Ottawa, Chief, Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; S.Z. Aydin, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa, and the Ottawa Hospital Research Institute. Dr. Bakirci and Dr. Solmaz contributed equally to this study. Address correspondence to Dr. S.Z. Aydin, 1967 Riverside Drive, Ottawa, Ontario K1H 7W9, Canada. E-mail: saydin@toh.ca. Accepted for publication January 20, 2020.

From the Faculty of Medicine, Division of Rheumatology, and the Division of Internal Medicine, University of Ottawa, Ottawa; Women’s College Research Institute, Women’s College Hospital; Department of Medicine, University of Toronto, Toronto; Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. D. Solmaz had funding from the Union Chimique Belge for an axial spondyloarthritis fellowship. S. Bakirci had funding from the Turkish Society for Rheumatology. S. Bakirci, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; D. Solmaz, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; W. Stephenson, MD, Faculty of Medicine, Division of Internal Medicine, University of Ottawa; L. Eder, MD, PhD, Women’s College Research Institute, Women’s College Hospital and the Department of Medicine, University of Toronto; J. Roth, MD, University of Ottawa, Chief, Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; S.Z. Aydin, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa, and the Ottawa Hospital Research Institute. Dr. Bakirci and Dr. Solmaz contributed equally to this study. Address correspondence to Dr. S.Z. Aydin, 1967 Riverside Drive, Ottawa, Ontario K1H 7W9, Canada. E-mail: saydin@toh.ca. Accepted for publication January 20, 2020.

From the Faculty of Medicine, Division of Rheumatology, and the Division of Internal Medicine, University of Ottawa, Ottawa; Women’s College Research Institute, Women’s College Hospital; Department of Medicine, University of Toronto, Toronto; Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. D. Solmaz had funding from the Union Chimique Belge for an axial spondyloarthritis fellowship. S. Bakirci had funding from the Turkish Society for Rheumatology. S. Bakirci, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; D. Solmaz, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; W. Stephenson, MD, Faculty of Medicine, Division of Internal Medicine, University of Ottawa; L. Eder, MD, PhD, Women’s College Research Institute, Women’s College Hospital and the Department of Medicine, University of Toronto; J. Roth, MD, University of Ottawa, Chief, Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; S.Z. Aydin, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa, and the Ottawa Hospital Research Institute. Dr. Bakirci and Dr. Solmaz contributed equally to this study. Address correspondence to Dr. S.Z. Aydin, 1967 Riverside Drive, Ottawa, Ontario K1H 7W9, Canada. E-mail: saydin@toh.ca. Accepted for publication January 20, 2020.

From the Faculty of Medicine, Division of Rheumatology, and the Division of Internal Medicine, University of Ottawa, Ottawa; Women’s College Research Institute, Women’s College Hospital; Department of Medicine, University of Toronto, Toronto; Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. D. Solmaz had funding from the Union Chimique Belge for an axial spondyloarthritis fellowship. S. Bakirci had funding from the Turkish Society for Rheumatology. S. Bakirci, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; D. Solmaz, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; W. Stephenson, MD, Faculty of Medicine, Division of Internal Medicine, University of Ottawa; L. Eder, MD, PhD, Women’s College Research Institute, Women’s College Hospital and the Department of Medicine, University of Toronto; J. Roth, MD, University of Ottawa, Chief, Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; S.Z. Aydin, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa, and the Ottawa Hospital Research Institute. Dr. Bakirci and Dr. Solmaz contributed equally to this study. Address correspondence to Dr. S.Z. Aydin, 1967 Riverside Drive, Ottawa, Ontario K1H 7W9, Canada. E-mail: saydin@toh.ca. Accepted for publication January 20, 2020.

From the Faculty of Medicine, Division of Rheumatology, and the Division of Internal Medicine, University of Ottawa, Ottawa; Women’s College Research Institute, Women’s College Hospital; Department of Medicine, University of Toronto, Toronto; Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. D. Solmaz had funding from the Union Chimique Belge for an axial spondyloarthritis fellowship. S. Bakirci had funding from the Turkish Society for Rheumatology. S. Bakirci, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; D. Solmaz, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; W. Stephenson, MD, Faculty of Medicine, Division of Internal Medicine, University of Ottawa; L. Eder, MD, PhD, Women’s College Research Institute, Women’s College Hospital and the Department of Medicine, University of Toronto; J. Roth, MD, University of Ottawa, Chief, Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; S.Z. Aydin, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa, and the Ottawa Hospital Research Institute. Dr. Bakirci and Dr. Solmaz contributed equally to this study. Address correspondence to Dr. S.Z. Aydin, 1967 Riverside Drive, Ottawa, Ontario K1H 7W9, Canada. E-mail: saydin@toh.ca. Accepted for publication January 20, 2020.

From the Faculty of Medicine, Division of Rheumatology, and the Division of Internal Medicine, University of Ottawa, Ottawa; Women’s College Research Institute, Women’s College Hospital; Department of Medicine, University of Toronto, Toronto; Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; The Ottawa Hospital Research Institute, Ottawa, Ontario, Canada. D. Solmaz had funding from the Union Chimique Belge for an axial spondyloarthritis fellowship. S. Bakirci had funding from the Turkish Society for Rheumatology. S. Bakirci, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; D. Solmaz, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa; W. Stephenson, MD, Faculty of Medicine, Division of Internal Medicine, University of Ottawa; L. Eder, MD, PhD, Women’s College Research Institute, Women’s College Hospital and the Department of Medicine, University of Toronto; J. Roth, MD, University of Ottawa, Chief, Division of Pediatric Dermatology and Rheumatology, Children’s Hospital of Eastern Ontario; S.Z. Aydin, MD, Faculty of Medicine, Division of Rheumatology, University of Ottawa, and the Ottawa Hospital Research Institute. Dr. Bakirci and Dr. Solmaz contributed equally to this study. Address correspondence to Dr. S.Z. Aydin, 1967 Riverside Drive, Ottawa, Ontario K1H 7W9, Canada. E-mail: saydin@toh.ca. Accepted for publication January 20, 2020.