- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04960046
A Comparison Between a PC and a CC Approach for the Placement of Infraclavicular Perineural Catheters in Hand Surgery
A Comparison Between a Paracoracoid Approach and a Costoclavicular Approach for the Placement of Infraclavicular Perineural Catheters in Hand Surgery: a Prospective Randomized Controlled Trial.
In outpatient hand surgery, 40% of patients report moderate to severe pain within 24 hours of the operation. Effective pain management is therefore essential to ensure a comfortable and safe return home for the patient.
Loco-regional anesthesia is the optimal method of analgesia for complex hand surgery. It involves the injection of a local anesthetic (LA) near the nerves responsible for the sensitivity of the arm. Following a single injection of long-acting local anesthetic, the maximum duration of analgesia is limited to approximately 13 hours, with great variability between individuals. In order to provide pain relief over a longer period of time, placing catheters near nerves has become a routine practice at the CHUM.
Infraclavicular nerve block is one of the most widely used loco-regional anesthesia techniques for hand surgery. This block can be achieved either by paracoracoid (PC) or costoclavicular (CC) approach. Both approaches are currently used at the CHUM.
The PC approach involves inserting a needle under the lower rim of the clavicle below the coracoid process. This approach makes it possible to reach the 3 different nerve bundles, located around the axillary artery, which are involved in the sensitivity of the hand.
The CC approach, more recently described, proposes an insertion of the needle under the lower edge of the clavicle but in a lateral way to the axillary artery which makes it possible to reach the nerves at a place where the 3 main nerve bundles are still joined together. The clustering of nerve structures at the injection site may facilitate the spread of local anesthetics.
Recent studies have demonstrated that the CC approach requires a smaller volume compared to the PC approach to achieve perineural blockade. The effective dose 90 (ED90) for the CC approach was 19 mL while it is 31 mL for the PC approach. This is explained by the greater proximity between the three nerve bundles targeted in the CC approach and a lower prevalence of anatomical variations at this level.
However, studies on the subject are rare and do not allow conclusions to be drawn on the superiority of either approach.
Study Overview
Status
Conditions
Detailed Description
The aim of this study is to determine whether the costoclavicular approach (CC) provides a better sensory block 48 hours after catheter installation than the infraclavicular block performed by the paracoracoid approach (PC).
In the context of continuous perineural blocks performed on an outpatient basis, LAs are delivered after insertion of a catheter by a low flow elastomeric pump (maximum 5 mL/h). Considering that the nerve structures are closer to each other with the CC approach, the investigators hypothesize that with the same mode of administration, the efficacy of the continuous block at 48 h obtained by the CC approach will be greater than the block produced by the PC approach.
Methods
Patients scheduled to undergo an upper limb surgery requiring a continuous infraclavicular nerve block will be contacted by a member of the research team before surgery to receive information regarding the study and obtain informed consent.
After obtaining consent, participants will be randomly assigned to two groups:
Group A: Placement of an infraclavicular perineural catheter by paracoracoid approach; Group B: Placement of an infraclavicular perineural catheter using a costoclavicular approach.
Only the anesthesiologist performing the technique and his assistant will know the group to which the patient has been assigned. The blocks will be carried out in a standardized manner and in accordance with the establishment's procedures. After bringing the patient to the induction room and installing the recommended monitoring equipment, the anesthesiologist will administer an intravenous premedication. The patient will be installed in a supine position. After disinfecting the skin, the anesthesiologist will inject a small amount of local anesthetic to numb the skin in the area where the block will be performed and then locate the nerve bundles under ultrasound guidance using the approach to which the patient has been assigned (Group A or B). When the area has been located, the injection of a local anesthetic (bupivacaine) will be performed and the catheter installed and fixed. Multimodal analgesia will be used for postoperative pain relief including acetaminophen, non-steroidal anti-inflammatory drugs and hydromorphone as needed.
Thirty minutes after the catheter insertion, a sensory-motor assessment of the blocked territory will be performed. During surgery, the patient may be sedated or receive general anesthesia at the discretion of the anesthesiologist. The surgery will be performed according to the usual procedure.
In day-care surgery, a disposable elastomeric pump will be installed to ensure the perineural infusion of LA. The patient will receive the usual information about postoperative analgesia and the use of the pump. Follow-up details will be reviewed with the patient prior to discharge from hospital.
A follow-up teleconsultation will be made the day after surgery and two days after surgery. As part of these calls, the following items will be assessed: sensory level and motor function of the forearm, level of pain and opioid use, presence of side effects, quality of sleep and satisfaction towards the analgesic technique used.
All patients will benefit from a daily follow-up call by nurses from the Acute Pain Service (APS) for up to 72 hours. In the absence of adverse effects, catheters will be removed by patients 72 hours after surgery.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Maxim Roy, MD, FRCPC
- Phone Number: 12132 5148908000
- Email: maxim.roy20@gmail.com
Study Contact Backup
- Name: Julie Desroches, PhD
- Phone Number: 12172 5148908000
- Email: anesthesie.recherche.chum@ssss.gouv.qc.ca
Study Locations
-
-
Quebec
-
Montréal, Quebec, Canada, H2X 3E4
- Recruiting
- Centre Hospitalier de l'Universite de Montreal (CHUM)
-
Contact:
- Julie Desroches, PhD
- Phone Number: 12172 5148908000
- Email: anesthesie.recherche.chum@ssss.gouv.qc.ca
-
Contact:
- Vicky Thiffault, RN, CCRP
- Phone Number: 20113 5148908000
- Email: anesthesie.recherche.chum@ssss.gouv.qc.ca
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients over 18 years old
- American Society of Anesthesiologists' classification 1 to 3
- Patients undergoing elective ambulatory hand surgery requiring the use of continuous infraclavicular nerve block
Exclusion Criteria:
- Contraindication to a peripheral nerve block
- Refusal of the patient or inability to consent
- Inability to communicate with the healthcare team or the research team
- Lack of access to the Teams telehealth platform
- Inability to understand the items of the different questionnaires
- Inability to understand ambulatory catheter follow-up instructions
- Pregnancy
- Obesity Body Mass Index > 40
- Pre-existing neurological deficit in the operated upper limb
- Anatomical malformation not allowing one of the study blocks to be performed
- Condition preventing measurement of the primary outcome
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Infraclavicular nerve block using a costoclavicular approach
The costoclavicular approach, more recently described, proposes an insertion of the needle under the lower edge of the clavicle but in a lateral way to the axillary artery which makes it possible to reach the nerves at a place where the 3 main nerve bundles are still joined together.
The clustering of nerve structures at the injection site may facilitate the spread of local anesthetics.
|
The high-frequency linear probe will be used to image the axillary artery in the long axis and nearby nerve structures of interest, namely the posterior, lateral and medial bundles. The plane chosen will be located inferior to the clavicle, also in its distal third. The needle will be inserted with a latero-medial orientation in the plane. The initial injection will be a single injection laterally to the axillary artery, where the three nerve bundles are still joined together. The catheter will then be positioned and its location verified by injecting an additional 5 mL of bupivacaine into the catheter under direct ultrasound visualization. Catheter fixation will be standardized to minimize the risk of accidental displacement and the point of entry of the catheter to the skin will be covered with an opaque dressing. |
Placebo Comparator: Infraclavicular nerve block using a paracoracoid approach
The paracoracoid approach involves inserting a needle under the lower rim of the clavicle below the coracoid process.
This approach makes it possible to reach the 3 different nerve bundles, located around the axillary artery, which are involved in the sensitivity of the hand.
|
The high-frequency linear probe will be used to image the axillary artery in the short axis and nearby nerve structures of interest, namely the posterior, lateral and medial bundles. The plane chosen will be located inferior to the clavicle, in its distal third. The needle will be inserted with a cranio-caudal orientation in the plane. The initial injection will be a single injection posterior to the axillary artery, the expected distribution being a "U" distribution around the artery. The catheter will then be positioned and its location verified by injecting an additional 5 mL of bupivacaine into the catheter under direct ultrasound visualization. Catheter fixation will be standardized to minimize the risk of accidental displacement and the point of entry of the catheter to the skin will be covered with an opaque dressing. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of patients presenting at least a partial sensory block in the four main nervous territories of the forearm
Time Frame: 48 hours after surgery
|
Proportion of patients presenting at least a partial sensory block in the four main nervous territories of the forearm (ulnar, median, radial and musculocutaneous) using the score described by Boivin et al. after the surgery. A score of 0 to 2 will be assigned for each dermatome (0 = normal feeling; 1 = reduced sensation compared to the contralateral side (hypoesthesia); 2 = no feeling (anesthesia)). |
48 hours after surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of patients presenting a motor block score greater than or equal to 1 in the four main nervous territories of the forearm
Time Frame: 24 and 48 hours after surgery
|
Proportion of patients presenting a motor block score greater than or equal to 1 in the four main nervous territories of the forearm (ulnar, median, radial, musculocutaneous) using the score described by Boivin et al. after the surgery. A score of 0 to 2 will be assigned according to the motor response (0 = Normal force compared to the contralateral side, 1 = Decrease in force (possible movement against gravity) compared to the contralateral side, 2 = no movement possible) |
24 and 48 hours after surgery
|
Proportion of patients presenting at least a partial sensory block in the four main nervous territories of the forearm
Time Frame: 24 hours after surgery
|
Proportion of patients presenting at least a partial sensory block in the four main nervous territories of the forearm (ulnar, median, radial and musculocutaneous) using the score described by Boivin et al. after the surgery. A score of 0 to 2 will be assigned for each dermatome (0 = normal feeling; 1 = reduced sensation compared to the contralateral side (hypoesthesia); 2 = no feeling (anesthesia)). |
24 hours after surgery
|
Time to complete catheter placement
Time Frame: Day of surgery, after catheter placement
|
The time needed to complete catheter placement by the anesthesiologist in seconds
|
Day of surgery, after catheter placement
|
Occurrence of adverse events during the block
Time Frame: Day of surgery, after catheter placement
|
The adverse events occurring during the block will be noted, such as vascular punctures, pneumothorax, paresthesias, repositioning for failure to raise the catheter through the needle.
|
Day of surgery, after catheter placement
|
Rate of complete sensory block
Time Frame: Day of surgery, 30 minutes after catheter placement
|
Proportion of patients presenting at least a partial sensory block in the four main nervous territories of the forearm (ulnar, median, radial and musculocutaneous) using the score described by Boivin et al., 30 minutes after the catheter placement. A score of 0 to 2 will be assigned for each dermatome (0 = normal feeling; 1 = reduced sensation compared to the contralateral side (hypoesthesia); 2 = no feeling (anesthesia)). |
Day of surgery, 30 minutes after catheter placement
|
Rate of complete motor block
Time Frame: Day of surgery, 30 minutes after catheter placement
|
Proportion of patients presenting a motor block score greater than or equal to 1 in the four main nervous territories of the forearm (ulnar, median, radial, musculocutaneous) using the score described by Boivin et al., 30 minutes after the catheter placement. A score of 0 to 2 will be assigned according to the motor response (0 = Normal force compared to the contralateral side, 1 = Decrease in force (possible movement against gravity) compared to the contralateral side, 2 = no movement possible) |
Day of surgery, 30 minutes after catheter placement
|
Worst pain during the block technique
Time Frame: Day of surgery, after catheter placement
|
Worst pain during the block technique assessed using a numerical scale where 0 = no pain and 10 = worst pain imaginable.
|
Day of surgery, after catheter placement
|
Total opioid consumption
Time Frame: 24 and 48 hours after surgery
|
24 and 48 hours after surgery
|
|
Time between the end of surgery and the first opioid dose
Time Frame: 24 hours after surgery
|
24 hours after surgery
|
|
Minimum pain after the surgery
Time Frame: 24 and 48 hours after surgery
|
Minimum pain reported by the patient, rated on a numerical scale where 0 = no pain and 10 = worst pain imaginable.
|
24 and 48 hours after surgery
|
Maximum pain after the surgery
Time Frame: 24 and 48 hours after surgery
|
Maximum pain reported by the patient, rated on a numerical scale where 0 = no pain and 10 = worst pain imaginable.
|
24 and 48 hours after surgery
|
Average pain after the surgery
Time Frame: 24 and 48 hours after surgery
|
Average pain reported by the patient, rated on a numerical scale where 0 = no pain and 10 = worst pain imaginable.
|
24 and 48 hours after surgery
|
Percentage of time spent with moderate to severe pain
Time Frame: 24 and 48 hours after surgery
|
Percentage of time spent with moderate to severe pain (> 4/10) using a numerical scale where 0 = no pain and 10 = worst pain imaginable
|
24 and 48 hours after surgery
|
Rate of complications or adverse effects
Time Frame: 48 hours after surgery
|
The rate of complications or adverse effects during the first 48 hours will be assessed, such as local anesthetic toxicity, nausea, vomiting, dizziness, drowsiness and accidental withdrawal of the catheter.
|
48 hours after surgery
|
Quality of sleep
Time Frame: 24 hours and 48 hours after surgery
|
The quality of sleep of the patient will be evaluated, rated on a scale where 0 = insomnia and 10 = excellent quality sleep.
|
24 hours and 48 hours after surgery
|
Patient's satisfaction
Time Frame: 48 hours after surgery
|
The satisfaction of the patient will be evaluated, rated on a scale where 0 = completely dissatisfied and 10 = fully satisfied.
|
48 hours after surgery
|
Collaborators and Investigators
Investigators
- Principal Investigator: Maxim Roy, MD, FRCPC, Centre Hospitalier de l'Universite de Montreal (CHUM)
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 21.114
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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