Transverse Abdominal Block for Analgesia in Casarean Section

The investigators will study 60 ASA [American Society of Anesthesiologist] physical status I and ІІ patients undergoing elective cesarean delivery at tanta University Hospital, in a prospective, randomized, comparative, clinical trial.

Patients will be randomly allocated to two equal groups (n = 30) using closed envelopes labeled 1,and 2 reflecting group 1and 2 respectively.

The drugs are prepared by the anesthesiologist who is not involved in the study or data collection.

Group I: (n=30) will receive pre-delivery bilateral TAP block with 10 ml of bupivacaine 0.5 % mixed with 10 ml saline and 10 μg dexmetonedine in 20 ml syringe labeled G 2.

Group II: (n=30) will receive post-delivery bilateral TAP block with 10 ml of bupivacaine 0.5 % mixed with 10 ml saline in 20 ml syringe labeled G2.

Inclusion criteria

• We will study 60 ASA [American Society of Anesthesiologist] physical status I and ІІ patients undergoing elective cesarean delivery
• Age between 21-40 years old.

Exclusion criteria

• Refusal of participation in the study
• Patients who have infection or tumor at the site of puncture for local anesthetic injection.
• Patients who have coagulopathy, platelet abnormalities, and concurrent treatment with anticoagulant drugs.
• Patients known to have allergy or sensitivity to dexmetomedine, and/or bupivacaine
• Severe hepatic and/or renal insufficiency
• Morbid obesity (body mass index (BMI) >35)
• Psychological disease