Assessment of the impact of body mass index on right ventricular systolic and diastolic function in patients with type 2 diabetes mellitus using two-dimensional speckle tracking imaging - Wenwen Wang; Yuanyuan Peng; Kun Zhao; Ziwei Zheng; Jiangbo Feng; Chengfang Zou; Yongchun Sun; Bo Lin; Liping Wang; Bing Hu; Shaoling Yang (Frontiers in Clinical Diabetes and Healthcare, 2026)