I have not left the OR, but I have been a preceptor for many years.
It sounds like you were transferred to the OR and not asked to transfer.
The OR can be overwhelming. It is not for everyone. If after a few months, you still have doubts, maybe the OR is not your nitch. Even if you decide to move on, think of all the things you have learned. Many times, there is poor communication between the nursing units and the OR. Perhaps you could use your knowledge to bridge these gaps.
Good Luck
achateas