Intrathecal Dexmedetomidine Versus Fentanyl With Bupivacaine in Children Undergoing Major Abdominal Cancer Surgery
NCT ID: NCT02861716
Last Updated: 2018-04-10
Study Results
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Basic Information
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UNKNOWN
PHASE2
60 participants
INTERVENTIONAL
2016-08-31
2019-12-31
Brief Summary
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Detailed Description
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After applying standard monitors; Pulse oximetry (Spo2), Noninvasive arterial blood pressure, Electrocardiography (ECG), pre-medication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam (0.01 mg/kg), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask and neuromuscular blockade (atracurium besylate 0.5mg/kg) will be used to facilitate endotracheal intubation. After that an intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, patients will be placed in lateral decubitus position and intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany).
Children will be randomly allocated into 3 groups by using opaque sealed envelopes containing a computer generated randomization schedule. The opaque sealed envelopes are sequentially numbered that will be opened before application of anesthetic plan and each group will include (20) patients:
Group (1): children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg in 2ml volume; it will be injected slowly.
Group (2): children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg plus fentanyl 0.2 μg/kg in 2ml volume; it will be injected slowly.
Group (3): children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg plus dexmedetomidine 0.2 μg/kg in 2ml volume; it will be injected slowly.
Anesthesia will be maintained with oxygen, sevoflurane, atracurium besylate (0.15mg/kg) as muscle relaxant and controlled mechanical ventilation. The inhaled concentration of sevoflurane will be adjusted to achieve hemodynamic changes\< 30% of the baseline values. No other narcotics, analgesics or sedatives will be administrated intra-operatively.
During surgery, children will receive lactated ringer's solution 6ml/kg/hr, whereas dextrose 50mg/ml in Nacl 4.5mg/ml will be infused at 4ml/kg/hr in the postoperative period.
Heart rate (HR), noninvasive arterial blood pressure (systolic, and diastolic), oxygen saturation (Spo2) will be recorded at baseline (pre-operatively) and every 10 minutes intra-operative till the end of the operation. The occurrence of intra-operative hypo-tension requiring a fluid bolus, and bradycardia requiring atropine will be recorded.
At the end of the surgery, the residual neuromuscular blocking will be reversed using a mixture of atropine (0.02mg/kg) and neostigmine (0.05mg/kg).
Then after extubation, patients will be transmitted to the post anesthesia care unit (PA CU), and will be followed up by:
* Vital signs (heart rate, noninvasive arterial blood pressure, oxygen saturation and respiratory rate) immediately postoperative (0 hour) and at 2, 4, 6, 8, 12,18 and 24 hours of the postoperative period.
* The face, Legs, Activity, Crying, and Consolability (FLACC) pain score with its 0- 10 score range will be used to assess pain immediately postoperative and at 2, 4, 6, 12, 18, 24 hours postoperative.
* The time of first request for analgesia (Intravenous paracetamol 20mg/kg (perfalgan ®) which will be given when the FLA CC score ≥4 and total paracetamol consumption also will be recorded in the 24 hours postoperative.
* The level of sedation will be recorded using Ramsey sedation scale as the same time points of FLA CC score.
* Postoperative adverse effects such as nausea, vomiting, itching, hypo-tension, bradycardia, arrhythmia and respiratory depression (respiratory depression will be defined as decreased Spo2of less than 95% or respiratory rate less than 10 per minute) will be treated and recorded.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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fentanyl and dexmedetomidine
intrathecal bupivacaine (0.5%) 0.4mg/kg plus fentanyl and dexmedetomidine in 2ml volume will be injected slowly over 20 seconds.
Bupivacaine
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight in 2ml volume and it will be injected slowly over 20 seconds.
dexmedetomidine and placebo for fentanyl
intrathecal bupivacaine (0.5%) 0.4mg/kg plus dexmedetomidine 0.2 μg/kg in 2ml volume and placebo (for fentanyl 0.2 μg/kg) it will be injected slowly over 20 seconds.
Bupivacaine
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight in 2ml volume and it will be injected slowly over 20 seconds.
Dexmedetomidine
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight plus dexmedetomidine 0.2 μg/kg in 2ml volume and it will be injected slowly over 20 seconds.
fentanyl and placebo for dexmedetomidine
intrathecal bupivacaine (0.5%) 0.4mg/kg plus fentanyl 0.2 μg/kg in 2ml volume and placebo (for dexmedetomidine 0.2 μg/kg) it will be injected slowly over 20 seconds.
Bupivacaine
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight in 2ml volume and it will be injected slowly over 20 seconds.
Fentanyl
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight plus fentanyl 0.2 μg/kg in 2ml volume and it will be injected slowly over 20 seconds.
Interventions
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Bupivacaine
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight in 2ml volume and it will be injected slowly over 20 seconds.
Fentanyl
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight plus fentanyl 0.2 μg/kg in 2ml volume and it will be injected slowly over 20 seconds.
Dexmedetomidine
premedication with Ondansetron (Zofran®) 0.1 mg/kg and Diazepam ( 0.01 mg/kg ), then general anesthesia will be induced with inhalation of sevoflurane 8% in oxygen via face mask. After that intravenous cannula will be placed, and fluid therapy will be standardized during and after surgery.
After securing the tube in place, the patients will be placed in the lateral decubitus position and a single dose of intrathecal anesthesia will be performed using a 25 gauge needle (Brown ®, Germany) and free flow of CSF technique. Then children will receive intrathecal bupivacaine (0.5%) 0.4mg/kg body weight plus dexmedetomidine 0.2 μg/kg in 2ml volume and it will be injected slowly over 20 seconds.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Patients scheduled for major abdominal cancer surgeries, expected to last more than 90 minutes
Exclusion Criteria
* Spina bifida
* Coagulopathy
* Mental delay or retardation
* Known allergy to the study drugs
* Local infection at the site of injection
3 Years
12 Years
ALL
No
Sponsors
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South Egypt Cancer Institute
OTHER
Responsible Party
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Rania Mohammed Abd elemam
Director, Clinical Research
Principal Investigators
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rania abdelemam, lecturer
Role: PRINCIPAL_INVESTIGATOR
South Egypt Cancer Institute
Locations
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South Egypt Cancer Institute
Asyut, , Egypt
Countries
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Central Contacts
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Facility Contacts
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Other Identifiers
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Prospective
Identifier Type: -
Identifier Source: org_study_id
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