Surgical Transversus Abdominis Plane Block in Pediatric Patients

Study Overview
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Brief Summary
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The objective of this study to determine the effect of surgical transversus abdominis plane block and local infiltration for postoperative pain control in major abdominal surgery compare with control group.

Detailed Description
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Most children experience postoperative pain after major abdominal surgery. They may have ineffective ventilation, following atelectasis and pneumonia if receive inadequate pain management. There are several methods used for pain relief such as epidural block, intravenous analgesia with local infiltration, transversus abdominis plane (TAP) block by ultrasound guided and surgical TAP block. Therefore, the investigators would like to compare the effectiveness of postoperative pain control with TAP block. However, TAP block in children need experience and ultrasound. The investigators decided to do surgical TAP block performing by inject from peritoneum point to skin instead.

Official Title
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Efficacy of Surgical Transversus Abdominis Plane Block for Postoperative Pain Relief Following Abdominal Surgery in Pediatric Patients.

Conditions
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Child

Intervention / Treatment
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* Procedure: Local infiltration group
* Procedure: TAP block
* Other: No intervention


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Age < 15 year ASA I-III Abdominal surgery : all upper abdomen and lower abdomen which would have midline incision Elective surgery Exclusion Criteria: Allergic to Lidocaine or bupivacaine Delayed development Major abdominal surgery within 2 year

Ages Eligible for Study
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Maximum Age: 15 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: No intervention<br>no injection of local anesthetic agents | Other: No intervention<br>* No intervention<br>|
| Experimental: Local infiltration group<br>patients would have 0.5 ml/kg of 0.25% bupivacaine if age < 6 months or 1 ml/kg if age > 6 months around the wound by surgeon. The needle will be injected in subcutaneous tissue parallel to the wound. | Procedure: Local infiltration group<br>* patients would have 0.5 ml/kg of 0.25% bupivacaine if age < 6 months or 1 ml/kg if age > 6 months around the wound by surgeon. The needle will be injected in subcutaneous tissue parallel to the wound.<br>* Other names: local anesthetic infiltration;|
| Experimental: TAP block group<br>Surgical TAP block (sTAP: Patients would have 0.5 ml/kg of 0.25% bupivacaine if age < 6 months or 1 ml/kg if age > 6 months | Procedure: TAP block<br>* Surgical TAP block (sTAP: Patients would have 0.5 ml/kg of 0.25% bupivacaine if age < 6 months or 1 ml/kg if age > 6 months<br>* Other names: surgical transversus abdominis plane block;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| opioids consumption | total opioids consumption in first 24 hours postoperatively | 24 hours | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Time to first analgesic |  | 24 hr | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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TAP block, postoperative analgesia