About this trial
The aim of this study is to compare the effect of ultrasound-guided retro-SCTL space block and EOI block on opioid consumption within 24 hours after LSG.
Eligibility criteria
This trial accepts healthy volunteersQualifiers
Patients aged between 18 to 65 years
Both genders
American Society of Anesthesiologists (ASA) physical status I-II
Body mass index (BMI) > 40 kg m-2,
Disqualifiers
Obesity secondary to an endocrine disorder
known allergic diathesis to any drugs used in the study
Presence of serious systemic illness (e.g., severe cardiac, pulmonary, renal, or hepatic dysfunction),
Coagulation dysfunction
Trial design
Parallel
Treatments tested in this trial
ultrasound-guided Retro superior costotransverse ligament space block
Procedure/SurgeryParticipants will receive ultrasound-guided Retro superior costotransverse ligament space block after intubation. Following hydrodissection with 2 ml of 0.9% saline to confirm the correct needle tip position, 20 ml 0.25% bupivacaine was injected. The same procedure was then repeated with 20 ml 0.25% bupivacaine on the contralateral side.
ultrasound-guided External Oblique Intercostal Plane Block
Procedure/SurgeryParticipants will receive ultrasound-guided External Oblique Intercostal Plane Block after intubation.Following hydrodissection with 2 ml of 0.9% saline to confirm the correct needle tip position, 20 ml 0.25% bupivacaine was injected. The same procedure was then repeated with 20 ml 0.25% bupivacaine on the contralateral side.
Treatment groups
Trial outcomes
Primary outcomes
cumulative morphine consumption within the first 24 hours.
cumulative morphine consumption within the first 24 hours.
Secondary outcomes
Visual analogue scale (VAS) score for pain
The VAS is a pain rating scale. Scores are based onself-reported measures of symptoms that are recorded witha single handwritten mark placed at one point along thelength of a 10-cm line that represents a continuum betweenthe two ends of the scale-"no pain" on the left end (0 cm) ofthe scale and the "worst pain" on the right end of the scale(10 cm).Visual analogue scale (VAS) score: will be assessed at rest and during movement at 30 min, 1, 3, 6, 12, 24 h postoperatively. A score ≤ 3 will be considered acceptable for pain relief. Supplementary rescue analgesia will be administered in the form of morphine IV 2 mg (at VAS ≥ 4), which may be repeated after 20 minutes.
A Sedation scale
A Sedation scale will be applied to determine the sedation scores (0 = awake, 1 = drowsy, 2 = asleep but arousable, and 3 = deeply asleep). A sedation score of \> 0 indicates being sedated at any time throughout the initial postoperative 24 hours
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