The Ultrasound Guided Versus Land-mark Location Method for Performing Spinal Anesthesia in Obese Parturients

"In the operating room, all of the patients will receive standard monitoring. Scans will be made in logiditunal parasagittal and transverse midline views with ultrasound. Needle entry sites in the L2-L3 and L3-L4 intervals will be determined as the intersection of the longiditunal and transverse lines.~When the spinal puncture operator is outside the room, Needle entry sites were marked for both groups.After skin marking, the pregnant woman will be asked to remain still and a subarachnoid puncture will be performed immediately. Spinal anesthesia will be administered with injection of intrathecal bupivacaine."

In the Landmark group, the injection site will be determined using the traditional method of palpating the posterior superior iliac spine.When the spinal puncture operator is outside the room, Needle entry sites were marked for both groups.After skin marking, the pregnant woman will be asked to remain still and a subarachnoid puncture will be performed immediately. Spinal anesthesia will be administered with injection of intrathecal bupivacaine.