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A comparative study between ultrasound guided thoracic paravertebral block VS ultrasound guided serrartus anterior muscle block in video-assisted thoracoscopic surgeries as regard their effectiveness in post-operative analgesia
The use of loco-regional analgesia is recommended to control postoperative pain after VATS as it allows opioid sparing and facilitates early postoperative rehabilitation. Different loco-regional analgesic techniques could be used to control pain after thoracic surgery such as a paravertebral block, an intercostal block and serratus plane block. In this study, Thoracic paravertebral nerve block will be compared to Serratus anterior nerve block, both will be done Ultrasound guided (USG) using bupivacaine (0.25%) for postoperative analgesia.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group A: Patients will receive ultrasound guided thoracic paravertebral block | Active Comparator | Group A: Patients will receive ultrasound guided thoraxic paravertebral block with 0.25% bupivacaine 0.4 ml/kg (max. 40 ml and not exceeding toxic dose of bupivacaine 2.5mg/kg) after induction of anesthesia. |
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| Group B: Patients will receive ultrasound guided serratus anterior muscle block | Active Comparator | Group B: Patients will receive ultrasound guided serratus anterior muscle block with 0.25% bupivacaine 0.4 ml/kg (max. 40 ml and not exceeding toxic dose of bupivacaine 2.5mg/kg) after induction of anesthesia. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| thoracic paravertebal block | Procedure | o Group A: Patients will receive ultrasound guided thoraxic paravertebral block with 0.25% bupivacaine 0.4 ml/kg (max. 40 ml and not exceeding toxic dose of bupivacaine 2.5mg/kg) after induction of anesthesia. A high-frequency linear ultrasound probe will be placed between transverse processes from the T4 level (the level of port introduction) in the paramedian plane while patients is in the lateral decubitus position. The transverse processes, superior costotransverse ligaments, and pleura will be well visualized. The block needle (22 gauge) will be advanced until it crosses the superior costotransverse ligament. The prepared 0.25% bupivacaine will be administered at 0.4 mL/kg (max. 40 mL) in the thoracic paravertebral space. Depression of the pleura will be observed as a result of the spread of local anesthetic. |
| Measure | Description | Time Frame |
|---|---|---|
| total amount of opioid consumption in the two groups according to change in VAS score | Postoperative pain will be assessed at time of evaluation or at any time the patient is complaining of pain by using visual analog scale (VAS) and VAS more than 3 will be managed by injection of nalbuphine 0.05mg / kg intravenously as a first rescue analgesia to reduce VAS score ≤ 3 and another titrating dose (2-3 mg nalbuphine) will be considered if the patient is still complaining in order to reach VAS score ≤ 3 (with maximum dose of 10 mg nalbuphine at a time) | the first 24 hours postoperatively |
| visual analog scale (VAS) | Postoperative pain will be assessed at time of evaluation or at any time the patient is complaining of pain by using visual analog scale (VAS) and VAS more than 4 will be managed by injection of nalbuphine 5mg intravenously as a first rescue analgesia to reduce VAS score ≤ 3 | the first 24 hours postoperatively |
| Measure | Description | Time Frame |
|---|---|---|
| The onset of 1st analgesic request | Postoperative pain will be assessed by using visual analog scale (VAS) and VAS more than 4 will be managed by injection of nalbuphine 5mg intravenously as a first rescue analgesia to reduce VAS score ≤ 3. comparison will be done between the two groups in the onset of 1st analgesic request | The first 24 hours postoperatively |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| aya gamal abdelhamid, MSC | Contact | (202) 01067206719 | ayagamal.3614@gmail.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Faculty of medicine Ain shams university | Recruiting | Cairo | Abbasia | 1181 | Egypt |
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| serratus anterior muscle block | Procedure | Group B: Patients will receive ultrasound guided serratus anterior muscle block with 0.25% bupivacaine 0.4 ml/kg (max. 40 ml and not exceeding toxic dose of bupivacaine 2.5mg/kg) after induction of anesthesia. While the patient is in the supine position, a high-frequency linear ultrasound probe will be placed horizontally on the mid-axillary line at the level of 4th or 5th ribs on the side of the block. The serratus anterior, latissimus dorsi, and intercostal muscles will be identified. The block needle (22-gauge) will be advanced below the serratus anterior muscle (SAM) towards the fifth rib (using in-plane technique). The prepared 0.25% bupivacaine will be administered at 0.4 mL/kg (max. 40 mL) between the SAM and the rib. It will be observed that the solution of local anesthesia will spread between the SAM and the rib. |
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| mean arterial blood pressure of the patients | After surgery, Patients will be observed immediately post-operative at 0 (PACU), and 2, 4, 8, 12, 24 hours after surgery for post-operative pain in form of increasing mean arterial blood pressure as a sign of uncontrolled pain | first 24 hours postoperatively |
| onset of ambulation | controlling pain postoperatively will help in early ambulation which is a major goal post operative to decrease complications | first 24 hours postoperatively |
| complication of nerve block | as hematoma , infection , pneumothorax . | first 24 hours postoperatively |
| heart rate of the patients | After surgery, Patients will be observed immediately post-operative at 0 (PACU), and 2, 4, 8, 12, 24 hours after surgery for post-operative pain in form of increasing heart rate above 90 (pulse per min )as a sign of uncontrolled pain | first 24 hours postoperatively |
| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
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