الفهرس 
Postoperative PainOnly 14 pages are availabe for public view
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Abstract
Proper pain relief is a major concern and area of focus. Pre-operatively, one of the most common questions asked by patients pertains to the amount of pain they will experience after the surgery. Pain has closed ties with clinical outcome and acute postoperative patient well-being. Studies have indicated such negative clinical outcomes to include decreases in vital capacity and alveolar ventilation, pneumonia, tachycardia, hypertension, myocardial ischemia, myocardial infarction, transition to chronic pain, poor wound healing, and insomnia (1-3). The advent of ultrasound guidance has helped to increase the feasibility and clinical applications for truncal block, allowing easier identification of the target anatomy structures and accurate visualization of the needle and local anesthetic spread (4). Rectus sheath block (RSB) is a popular technique for post-operative analgesia for patients undergoing abdominal surgeries with midline incisions. A good analgesic effect has been reported for upper as well as lower abdominal midline incisions (5). The anesthetic spread in the space behind the rectus abdominis muscle is the premise for an effective RSB as it spreads freely cephalad and caudal and to block the terminal branches of the intercostal nerves before they leave the rectus sheath (6).