The Effect of Tap Block in Pain Relief in Pediatric Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-06-15

Study Completion Date

2022-11-01

Brief Summary

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TAP block applied for analgesic purposes in pediatric patients undergoing appendectomy surgery provides superior analgesia in analgesic relief in the first 24 hours postoperatively compared to the placebo-control group without any block. The objective of this study was to investigate the postoperative analgesic effectiveness of TAP block based on postoperative pain scores in pediatric patients undergoing appendectomy surgery. This study is valuable because of there are a limited number of studies in this field in pediatric patients in the literature.

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Detailed Description

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This study was designed as prospectif, randomized, placebo-controlled, double-blind. A total of 60 pediatric patients, who were planned to undergo elective open appendectomy surgery under general anesthesia, were included in the study, with 30 patients in both groups eligible for the study. The patients were randomly divided into 2 groups. The randomisation in study was performed by using the closed envelope method. The TAP block was applied to Group I(Group S). The Group II(Group C) was patients who are not performed a block, and was taken as the control group. After all patients were taken to the operating table, ECG, non-invazive blood pressure, pulse oximetry and saturation monitoring were performed as the standard of ASA. During induction, 3mg/kg propofol, 1mg/kg fentanyl and 0.8 mg/ kg rocuronium were administered to all patients, then they were ventilated with 100% oxygen for 5 minutes and intubated with an appropriate intubation tube. After intubation in Grup S applied TAP block, the patients were covered with a sterile cleaned area, the transversus abdominis plane is visualized by placing the linear probe between the costal edge and the iliac wing, on the outer part of the abdominal wall, with a portable ultrasound device on the abdominal wall of the patients on the side to be repaired, and the external oblique muscle with the help of a 50 mm block needle. 0.25 % bupivacaine 0.5 ml/ kg maximum 20 ml was injected between the internal oblique and transverse muscles with in-plane tecnique. On the other hand, no blocks were applied to The Group C , and was taken as the control group. Anesthesia was maintained with 2% sevoflurane and 50% oxygen in air. Intravenous fluid maintenance was provied with isotonic-balanced electrolyte solution at 10 ml/kg/hour in both group. A maximum of 3 mg of morphine 50mcg/kg intravenously was given to all patients intraoperatively for analgesic purposes. At the end of the surgery, the patients were extubated under appropriate conditions.

Evaluation of postoperative pain; It was planned to be performed by a physician or a pain staff who did not perform the block, first in the postoperative recovery room and then in the ward, using The Wong-Baker Faces Pain Rating Scale (FACES Scale). The primary outcome of the study is The Wong-Baker Faces Pain Rating Scale (FACES Scale) scores of the patients, and the secondary outcomes are; time and amount of first additional rescue analgesic requirement, systolic-diastolic-mean arterial pressures, heart rate peaks and parental satisfaction scores. With predetermined time points; Postoperative baseline 0, 1st, 3rd, 6th, 12th and 24th hours of the patients' is The Wong-Baker FACE Scale scores, rescue analgesic totally amount, systolic-diastolic-mean arterial pressures, peak heart rates, and possible complications such as nausea and vomiting were recorded in both groups. Parental satisfaction levels were recorded on a numerical scale from 1 to 10 (1: lowest satisfaction, 10: highest satisfaction). If The Wong-Baker FACE Scale scores \> 4, acetaminophen 10 mg/kg IV was planned to be administered as an additional rescue analgesic in the ward. In this study, power analysis was performed after the analysis results. Sample size was calculated by power analysis based on data from a previous study (12). In this study, researchers; They compared the analgesic effectiveness of the patients who applied TAP block and the placebo-control group in the first 48 hours postoperatively in a total of 60 patients who underwent pediatric appendectomy, and revealed that Tap block provided superior analgesia compared to the placebo group. Power estimation analysis suggested that add 30 individuals to each group and the power of the test was found to be p= 0.9035. The error level was taken as 0.05. In this study, when α= 0.05 β= 0.10 1-β = 0.90.

Conditions

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Opioid Analgesia Pain, Postoperative Pain Score Reduction

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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Group S

TAP block was applied to this group of open appendectomy patients.

No interventions assigned to this group

Group C

TAP block was not applied to this group of open appendectomy patients.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

Those who have had surgery for acute appendicitis ASA status I-II

Exclusion Criteria

ASA III-IV Perforated appendectomies Laparoscopic cases Patients allergic to local anesthetic drugs. Bleeding diathesis Skin infection at the needle entry site Those who refused to participate in the study.

Minimum Eligible Age

5 Years

Maximum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes