Safe utility of dexmedetomidine target-controlled infusion and ketamine analgosedation in high-risk geriatric patients undergoing prone vertebroplasties—A case series. - Vaithialingam, Balaji; Anvari, Sucheta; Masapu, Dheeraj; Govindasamy, Ramachandran; Rudrappa, Satish (Indian Journal of Anaesthesia, 2026)