In this study you can see how shiatsu can be very helpful in relieving pain and anxiety.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4298863/
In the randomized study, 60 burn patients with underlying pain were enrolled. They were randomly allocated in two groups of hand massage and the control. The anxiety of underlying burn pain before and after the massage was evaluated using Burn Specific Pain Anxiety Scale (BSPAS).
The difference for anxiety scores in the hand Shiatsu massage group before and after massage were statistically significant, but in the control group was not significant.