الفهرس 
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Abstract
V
ideo-assisted thoracoscopic surgery (VATS) is a commonly performed minimally invasive procedure that has led to lower levels of pain. However, VATS requires analgesia that blocks both visceral and somatic nerve fibers for more effective pain control.
Ultrasound guided regional techniques have been shown to be associated with fewer side effects and greater efficacy when compared to systemic therapy after (VATS). Serratus anterior plane block (SAPB) is a type of interfascial plane block that targets the lateral cutaneous branches of the thoracic intercostal nerves. Erector spinae plane block (ESPB) is an interfascial plane block. It is a paraspinal block that targets the dorsal and ventral rami so that it can provide analgesia in the anterolateral and posterior chest wall.
The aim of this study was to compare serratus anterior plane block and erector spinae plane block for postoperative analgesia after VATS as measured by the duration till 1st requirement of analgesia. Secondary endpoints were comparisons of adverse effects and total analgesic requirement in 1st 24 hour post operative.
This study included 40 patients, randomly allocated into two groups, each group included 20 patients: (group SAPB) and (group ESPB).
In both groups, there was no significant difference between the two groups according to hemodynamics. Timing of 1st analgesic requirement was earlier in SAPB group compared to ESPB Group. Total amount of analgesia used in 1st 24 hour was higher in SAPB group than ESPB group. This study showed lower incidence of postoperative nausea, hypotension in both groups. Complication related to the techniques of the regional anesthesia was insignificant.
In conclusion, erector spinae plane block provides more prolonged pain control than serratus anterior plane block in patients undergoing VATS.