“…Results of previous studies using other warming systems such as self‐warming blanket (Cheon & Yoon, ; Rosenkilde, Vamosi, Lauridsen, & Hasfeldt, ), warmed IV fluid (Woolnough, Allam, Hemingway, Cox, & Yentis, ), warmed irrigation fluid (Aksu, Içli, Toker, & Solak, ) or warm air (Akhtar et al., ; Shin et al., ) were also similar to our findings. Cheon and Yoon () reported that 30‐min prewarmed blanket was effective in preventing the core body temperature drop for 2 and 3 hr after induction of spinal anaesthesia in elderly patients with total hip replacement.…”