Four-Hour Fasting for Semifluids and 2-Hour Fasting for Water Improves the Patient Experience of Esophagogastroduodenoscopy: A Randomized Controlled Trial.
Meng-Xi CaiYe GaoLi LiWen FengYi-Lin WangZhao-Shen LiLei XinLuo-Wei WangPublished in: Gut and liver (2022)
The "4+2" protocol was more comfortable and provided equal mucosal visibility and safety compared with conventional fasting for unsedated EGD.