Brachial Plexus Block Clinical Trial
Official title:
Posterior Parasagittal In-Plane Ultrasound-Guided Infraclavicular Brachial Plexus Block - A Case Series
Verified date | December 2014 |
Source | University of Malaya |
Contact | n/a |
Is FDA regulated | No |
Health authority | Malaysia: Institutional Review Board |
Study type | Interventional |
Abstract
Introduction: The brachial plexus at the infraclavicular level runs deeper compared to its
course proximally, giving rise to impaired needle visualisation due to the steep angle of
needle insertion with the current ultrasound-guided approach. A new posterior parasagittal
in-plane ultrasound-guided infraclavicular approach was introduced to improve needle
visibility. However no further follow up study was done.
Methods: We performed a case series and a cadaveric dissection to assess its feasibility in
a single centre, University of Malaya Medical Centre, Kuala Lumpur, Malaysia from November
2012 to October 2013. After obtaining approval from the Medical Ethics Committee, University
Malaya Medical Centre, 18 patients undergoing upper limb surgery were prospectively
recruited. A cadaveric dissection was also performed. The endpoints of this study were the
success rate, performance time, total anaesthesia related time, quality of anaesthesia and
any incidence of complications.
Status | Completed |
Enrollment | 18 |
Est. completion date | October 2013 |
Est. primary completion date | October 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years to 80 Years |
Eligibility |
Inclusion Criteria: - patient's age between 18 and 80 years old, - American Society of Anesthesiologists (ASA) physical status I - III, - body mass index (BMI) between 20 and 35 kg/m2 and - planned for surgery of the forearm, wrist, or hand. Exclusion Criteria: - patient's inability to give consent to the study, - pre-existing neuropathy, - infection at the site of puncture, - coagulopathy, and - allergy to amides local anaesthetics. |
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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University of Malaya |
References 1. Chin KJ, Perlas A, Chan VW, et al. Needle visualization in ultrasound guided regional anaesthesia: challenges and solutions. Reg Anesth Pain Med 2008; 33:532-544 2. Hebbard P and Royse C. Ultrasound guided posterior approach to the infraclavicular brachial plexus. Anaesthesia 2007; 62: 539 3. Levesque S, Dion N, Desgagne MC. Endpoint for successful, ultrasound-guided infraclavicular brachial plexus block. Can J Anaesth 2008; 55:308. 4. Tran DQH, Charghi R, Finlayson RJ. The 'Double Bubble' Sign for Successful Infraclavicular Brachial Plexus Blockade. Anesth Analg 2006; 103:1048-1049 5. Tran DQH, Bertini P, Zaouter C, et al. A Prospective, Randomized Comparison Between Single- and Double-Injection Ultrasound-Guided Infraclavicular Brachial Plexus Block. Reg Anesth Pain Med 2010; 35:16-21 6. Tran DQH, Munoz L, Zaouter C, et al. A prospective, randomized comparison between single- and double-injection ultrasound-guided supraclavicular brachial plexus block. Reg Anesth Pain Med 2009; 34:420-424. 7. Tran DQH, Russo G, Munoz L, et al. A prospective, randomized comparison between ultrasound-guided supraclavicular, infraclavicular and axillary brachial plexus blocks. Reg Anesth Pain Med 2009; 34:366-371
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Success rate (ability to proceed with surgery without the need for intravenous narcotics, general anaesthesia, rescue blocks or local infiltration by the surgeon) | Success rate - was equivalent to surgical anesthesia, defined as the ability to proceed with surgery without the need for intravenous narcotics, general anaesthesia, rescue blocks or local infiltration by the surgeon The adequacy of block was determined during assessment of motor and sensory blockade at predetermined intervals, every 5 minutes until 30 minutes; Please refer to the study detailed description. |
participants will be followed up throughout operation duration | No |
Secondary | Performance parameters | Imaging time (defined as the time interval between contact of the ultrasound probe with the patient and the acquisition of a satisfactory sonoanatomy - a complete round short-axis view of the axillary artery) Needling time (defined as the time interval between the start of the needle insertion and the end of local anaesthetic injection through the needle) Performance time (defined as the sum of imaging and needling times). | participants will be followed up throughout the procedure | No |
Secondary | Safety aspects and potential complications as measured by incidence of paraesthesia, vascular puncture, Horner's syndrome, dyspnoea and symptoms suggestive of LA toxicity | The incidence of paraesthesia and vascular puncture was recorded if any. Horner's syndrome, dyspnoea and symptoms suggestive of local anaesthetic toxicity were routinely checked. | participants will be followed up throughout procedure, during operation and 1 week after the operation (via phone call) | Yes |
Secondary | adequacy of block for tourniquet application | The incidence of tourniquet pain | participants will be followed up throughout operation | No |
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