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NCT Number: NCT04128540

Erector Spinae Plane Block Versus Fentanyl Infusion in Pediatric Patients Undergoing Aortic Coarcitectomy

Pain is considered to be subjective, however in children it is believed to be felt rather than expressed, because they often depend on the caregiver for their safety and well-being.

There is significant pain after thoracotomy surgery because of pleural and muscular damage, ribcage disruption, and intercostal nerve damage during surgery, which if not effectively managed, it will lead to various systemic complications; pulmonary (atelectasis, pneumonia, and stasis of bronchial secretions), cardiovascular (increased oxygen consumption and tachycardia), musculoskeletal (muscle weakness), increased neuro-hormonal response and prolonged hospital stay. So adequate and sufficient post-operative analgesia for paediatric patients is mandatory.

The use of highly potent opioids for paediatric cardiac anaesthesia has gained widespread popularity during the last 20 years.In addition to the important advantage of hemodynamic stability, the large-dose opioid-based anaesthetic techniques also blunt the stress response, However, large doses can cause oversedation, respiratory depression, and prolonged mechanical ventilation after surgery.

Erector Spinae Plane Block (ESPB), recently developed by Forero et al, is a novel technique in management of thoracic neuropathic pain guided by ultrasound. It became popular because it is much safer and easily administered than other alternative regional techniques as thoracic paravertebral and thoracic epidural block.

To our knowledge, Erector Spinae Plane Block (ESPB) performed in aortic coarcitectomy operations has not been investigated yet.This has encouraged the performance of the present study.

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Key information

Conditions

Aortic Coarctation Cardiovascular Abnormalities Cardiovascular Diseases Congenital Abnormalities Congenital, Hereditary, and Neonatal Diseases and Abnormalities Erector Spinae Plane Block Heart Defects, Congenital Heart Diseases Paediatric

Age range

3 month–12 month

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

Kasr Al-Ainy Hospital

Cairo, 11562, Egypt

About this study

Our study will be designed to estimate and compare the analgesic effect of single shot erector spinae plane block in pediatric patients undergoing aortic coarcitectomy via thoracotomy incision versus fentanyl infusion as the control group. Our primary outcome will be the total dose of intraoperative fentanyl bouluses.

Randomization will be achieved by using an online random number generator. Patient codes will be placed into sequentially numbered sealed opaque envelopes by a research assistant who is not involved in the study. A medical personnel not involved in patient management will be responsible for opening the envelope and give the instructions contained within each envelope to the anesthesiologist who is expert in doing the ESPB in patients included within the block group. this expert anaesthesiologist will not be involved in collecting data but another anaesthesia doctor will be responsible for patient management and collecting the intraoperative and postoperative data.

The study will be conducted in the pediatric cardiothoracic operation theatre in Abu El Reesh Pediatric Hospital -Cairo University on 28 pediatric patients aged 3 months-12 months, ASA III undergoing aortic coarcitectomy (with thoracotomy incision).

All patients will attend at the pre- anesthesia room with their parents 1 hour before the procedure after taking approval of research ethical comittee and informed consent.

Detailed history from the parents will be taken followed by a full and detailed clinical examination of the child then all investigations including CBC, coagulation profile, liver enzymes, kidney function tests, Chest x-ray ,echocardiography and blood grouping will be checked.

ECG, pulse oximetry and non-invasive blood pressure will be applied to all patients. All patients will be premedicated by intramuscular midazolam 2mg/Kg and atropine 0.2 mg/Kg 20 minutes before induction of anesthesia.

Anesthesia will be induced in all patients by sevoflurane 5% in 100% O2 followed by Placement of peripheral I.V cannula and IV administration of fentanyl (1-2µg/kg). Oral endotracheal intubation will be facilitated by IV atracurium 0.5 mg/kg and then capnogram will be connected to monitor End-tidal CO2 and muscle relaxation will be maintained by atracurium infusion in a dose of 0.5 mg/ kg/ hr.

All patients will be mechanically ventilated using pressure controlled mode with FiO2 50%, positive end expiratory pressure (PEEP) 5 cmH2O,I: E ratio of 1:2,peak inspiratory pressure (PIP) will be set to deliver a tidal volume of 6-8 ml/kg and respiratory rate will be 15 to 35 cycle / minute according to the age. our aim is to keep end tidal CO2 between 30-40 mmHg.

Sevoflurane will be used for maintenance of anaesthesia and its MAC will be determined by using bispectoral index (targeting 40-60) to standardize the depth of anaesthesia.

After insertion of a central venous catheter and an arterial cannula , nasopharyngeal temperature probe will be placed and the patient's position will be changed from supine to right lateral position.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age: 3 months-12 months.
  • A III .
  • Patients undergoing aortic coarcitectomy operation undergone with Lateral thoracotomy incision.

Exclusion criteria

  • Patients whose parents or legal guardians refusing to participate.
  • Preoperative mechanical ventilation.
  • Preoperative inotropic drug infusion.
  • Patients undergoing aortic coarctectomy operation undergone with midline sternotomy incision.
  • Known or suspected coagulopathy.
  • Any congenital anomalies of the sacrum/the vertebral column or any infection at the site of injection.
  • Known or suspected allergy to any of the studied drugs.
  • Elevated liver enzymesmore than the normal values.
  • Renal function impairment (Creatinine value more than 1.2mg/dl or blood urea nitrogen more than 20mg/dl).

Treatment and study plan

Fentanyl

Drug

fentanyl infusion at a dose of (1 μg/kg/hour) after induction of anesthesia and to be continued all through the whole operation.rescue analgesia by a bolus of (Fentanyl 1mcg/kg) will be given to the patients in either group, if either systolic blood pressure or heart rate increased more than 20% of the baseline readings.

Erector Spinae Plane Block

Procedure

ultrasound guided erector spinae plane block by injecting 0.4ml/kg (1:1 solution of bupivacaine 0.25% and lidocaine 1%). This will be performed at the same side of the planned thoracotomy under strict aseptic precautions.A high frequency 12 MHz linear ultrasound transducer will be placed in a longitudinal orientation 3 cm lateral to the T3 spinous process corresponding to the T2 transverse process.

Three muscles; trapezius, rhomboids major, and erector spinae will be identified superior to the hyperechoic transverse process.

Using in-plane approach a 25 G needle will be inserted in caudal-cephalic direction, until the tip is deep to erector spinae muscle.

Correct needle tip location will be confirmed by injecting 3 mL of normal saline and visualizing the linear LA spread in the fascial plane between the erector spinae muscle and the transverse process..

Primary outcomes

  1. The total dose of intraoperative fentanyl boluses.

    Time frame: From skin incision till 5 minutes after skin closure

    microgram/kg

Secondary outcomes

  1. Face, Leg, Activity, Cry, Consolability

    Time frame: 30 min, 60 min, 2 hours, 4hours, 8hours, 16hours and 24 hours postoperatively

    • Face
    • 0: if patient has a relaxed face
    • 1: if patient has a worried look ,eyes partially closed, mouth pursed
    • 2: if patient has deep furrows in the forehead, with closed eyes, open mouth.
    • Legs
    • 0: if patient has usual tone and motion to limbs.
    • 1: if patient has increase tone, rigidity.
    • 2: if patient has hyper tonicity, legs pulled tight, exaggerated flexion/extension of limbs.
    • Activity
    • 0: if patient moves easily and freely.
    • 1: if patient shifts positions, guarding.
    • 2:if patient is in fixed position, side-to-side head movement.
    • Cry
    • 0: if patient has no cry/moan awake or asleep
    • 1: if patient has occasional moans, cries.
    • 2: if patient has frequent/continuous moans, cries, grunts.
    • Consolability
    • 0: if patient is calm and does not require consoling
    • 1: if patient responds to comfort by touch or talk in ½- 1 minute
    • 2: if patient requires constant comforting or unable to console.

  2. postoperative Morphine

    Time frame: 30 minutes postoperative till 24 hours postoperative

    mg/kg

Sponsors and collaborators

Lead sponsor

Cairo University

Other

Registry information

Official study title

Analgesic Efficacy of Ultrasound Guided Erector Spinae Plane Block Versus Fentanyl Infusion in Pediatric Patients Undergoing Aortic Coarcitectomy. a Randomized Controlled Study.

Important dates

Study start
2020
Primary completion
2021
Study completion
2021
First posted
Oct 16, 2019
Registry last updated
Jul 8, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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