Bilateral Erector Spinae Plane Block Versus Bilateral Quadratus Lumborum Plane Block for Postoperative Anaelgesia After Lumbar Spine Surgery

Bilateral Erector Spinae Plane Block Versus Bilateral Quadratus Lumborum Plane Block for Postoperative Anaelgesia After Lumbar Spine Surgery

The aim of this study is to compare postoperative analgesia and duration for each block performance plus complications after surgery in lumbar spine fixation.

Inclusion Criteria:

• Aged between 18 and 65 years.
• American Society of Anesthesiologists (ASA) physical status I to II.
• Body mass index (BMI) less than 35 kg/m2.

Exclusion Criteria:

• Revision surgery.
• More than three levels surgery.
• Abnormal state of blood coagulation.
• Chronic opioid consumption.
• Local infection at the injection site).
• Allergy to any involved medications.
• Taking opioids within the past two weeks prior to surgery.
• Time of surgery more than 4 hours.