Effect of Intrathecal Morphine on Quality of Recovery After Laparoscopic Colorectal Cancer Surgery

The patient was asked to lie on the side, the needle insertion point was located under the guidance of color ultrasound, and after local anesthesia, the needle was inserted into the subarachnoid space at the puncture point and morphine was injected.

After the patient was asked to lie on his side, the injection point was determined under the guidance of color ultrasound. After local anesthesia, the needle was injected into the subarachnoid space and then normal saline was injected.

The patient was in a supine position. The rectus muscle was confirmed to be warping under the guidance of color photography, and the needle was injected with bupivacaine liposomes