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This study will be conducted to evaluate efficacy of ultrasound guided sacral erector spinae plane block for postoperative analgesia in pediatric anorectal surgery in comparison to caudal block.
Regional anesthesia in children has become increasingly popular over the past few decades. A variety of peripheral and central nerve blocks have been developed to ensure that perioperative pain can be effectively controlled. So, it possible to reduce the dose concentrations of systemic drugs and improved hemodynamic stability in high-risk patients. Erector spinae plane (ESP) block with various approaches been used in many surgeries and obtained great popularity despite of its novelty. After first description; lower thoracic, lumbar and sacral approaches were defined for postoperative analgesia. There are a few cases in which sacral ESP block was administered and reported.
The aim of this study is to compare postoperative analgesic effect of ultrasound guided sacral ESP block and caudal block. It is hypothesized that sacral ESP block will be comparable to caudal block as a promising effective alternative for analgesia in patients who will undergo pediatric anorectal surgery with fewer side effects.
This prospective, randomized, comparative clinical study will include 60 children who will be scheduled for elective anorectal surgery under general anesthesia in Mansoura university hospitals. Informed written consent will be obtained from parents of all subjects in the study after ensuring confidentiality. The study protocol will be explained to parents of all patients in the study who will be kept fasting prior to surgery. Patients will be randomly assigned to two equal groups (ESP and caudal) according to computer-generated table of random numbers using the permuted block randomization method. The collected data will be coded, processed, and analyzed using SPSS program. All data will be considered statistically significant if P value is ≤ 0.05.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group (A) Sacral ESP block | Active Comparator | Ultrasound guided sacral erector spinae plane (ESP) block will be performed in the lateral position under sterile conditions, and bupivacaine will be administered. |
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| Group (B) Caudal block | Active Comparator | Ultrasound guided caudal block will be performed in the lateral position under sterile conditions, and bupivacaine will be administered. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Sacral ESP block | Procedure | A high-frequency ultrasound linear probe covered with a sterile sheath will be placed longitudinally to the midline of the sacrum. The median sacral crests and erector spinae muscle will be visualized, then a 22-gauge, 50 mm needle will be advanced from cranial to caudal direction until its tip touch the sacral crest. |
| Measure | Description | Time Frame |
|---|---|---|
| Duration for the first analgesic request | The time of the first analgesic request for paracetamol in minutes will be recorded. | Up to 24 hours after the procedure |
| Measure | Description | Time Frame |
|---|---|---|
| Total analgesic requirements of paracetamol | The amount of paracetamol consumption in milligrams given as a rescue analgesia | Up to 24 hours after the procedure |
| Improvement in pain scores | Pain score from 0 to 10 (0 = no pain and 10 = the worst imaginable pain) is assessed postoperatively at 1, 2, 4, 8, 12, 24 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Sameh M El-Sherbiny, MD | Mansoura Faculty of Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Anesthesia, Mansoura University Hospitals | Al Mansurah | Dakahlia Governorate | 35511 | Egypt |
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| ID | Term |
|---|---|
| D000377 | Agnosia |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
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| ID | Term |
|---|---|
| D002045 | Bupivacaine |
| ID | Term |
|---|---|
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 | Aniline Compounds |
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| Caudal block | Procedure | A high-frequency ultrasound linear probe covered with a sterile sheath will be placed on to the sacrococcygeal region. The dura mater, epidural space, conus medullaris, sacral cornua, and sacrococcygeal ligament will be identified. Using the in-plane technique, a 22-gauge, 50 mm needle will be introduced to reach the sacral epidural space. |
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| Bupivacaine Hydrochloride | Drug | Following negative aspiration, a precalculated dose (0.5 ml/kg) of 0.25% bupivacaine will be injected. |
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| Up to 24 hours after the procedure |
| Changes in heart rate | Heart rate (beat/min) is recorded at ten-minute intervals until the end of the surgery. | Up to end of the surgery |
| Changes in mean arterial blood pressure | Blood pressure (mmHg) is recorded at ten-minute intervals until the end of the surgery. | Up to end of the surgery |
| Changes in postoperative emergence agitation scale | Agitation is assessed using the 5- step Cravero scale (1-5) every five minutes from awakening and for 30 minutes.(1:Obtunded with no response to stimulation, 2:Asleep but responsive to movement or stimulation, 3:Awake and responsive, 4:Crying, 5:Thrashing behaviour that requires restraint) | Up to 30 minutes after the procedure |
| Value of parent satisfaction from the procedure | The parents will be investigated postoperatively for the quality of the procedure verbally (0-10; 0=None, 10=total satisfaction) | Up to 24 hours after the procedure |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D000588 |
| Amines |