Trial reportBMC anesthesiology2019
Retroclavicular vs Infraclavicular block for brachial plexus anesthesia: a multi-centric randomized trial.
Trial report in BMC anesthesiology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02913625 (Retroclavicular Approach vs Infraclavicular Approach for Plexic Bloc Anesthesia of the Upper Limb), which is not on this map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Retroclavicular Approach vs Infraclavicular Approach for Plexic Bloc Anesthesia of the Upper Limb: a Multi-centric Non-inferiority Randomised Controlled Trial
Who cites it
7 citing papers in PubMed.
- Effectiveness of Brachial Plexus Blocks in Obesity: Secondary Analysis of Randomized Controlled Trial.Hand (New York, N.Y.) · 2024Trial
- Comparison of the onset time between 0.375% ropivacaine and 0.25% levobupivacaine for ultrasound-guided infraclavicular brachial plexus block: a randomized-controlled trial.Scientific reports · 2021Trial
- Retroclavicular approach of infraclavicular brachial plexus block for regional anaesthesia for upper limb surgeries: A systematic review and meta-analysis with trial sequential analysis.Indian journal of anaesthesia · 2026Article
- Efficacy and Safety of Retroclavicular Brachial Plexus Block for Pain Management after Shoulder Surgeries: a Narrative Review.Current pain and headache reports · 2025Review
- Upper Extremity Blocks for Hand Surgeons: A Literature Review of Regional Anaesthesia Techniques, Efficacy, and Safety.Plastic surgery (Oakville, Ont.) · 2024Review
- Hemothorax After Retroclavicular Approach to the Infraclavicular Region in a Critically Ill Patient: A Case Report.Cureus · 2023Article
- Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe coracoid approach is a simple method to perform ultrasound-guided brachial plexus regional anesthesia (RA) but its simplicity is counterbalanced by a difficult needle visualization. We hypothesized that the retroclavicular (RCB) approach is not longer to perform when compared to the coracoid (ICB) approach, and improves needle visualization.
methodsThis randomized, controlled, non-inferiority trial conducted in two hospitals, included patients undergoing distal upper limb surgery. Patients were randomly assigned to a brachial plexus block (ICB or RCB). The primary outcome was performance time (sum of visualization and needling time), and was analyzed with a non-inferiority test of averages. Depth of sensory and motor blockade, surgical success, total anesthesia time, needle visualization, number of needle passes and complications were also evaluated. Subgroup analysis restricted to patients with higher body mass index was completed.
resultsWe included 109 patients between September 2016 and May 2017. Mean RCB performance time was 4.8 ± 2.0 min while ICB was 5.2 ± 2.3 min (p = 0.06) with a 95% CI reaching up to 5.8% longer. RCB conferred an ultrasound-needle angle closer to 0° and significantly improved needle visibility after the clavicle was cleared and before local anesthetic administration. No differences were found in the secondary outcomes. Similar results were found in the subgroup analysis.
conclusionRCB approach for brachial plexus anesthesia was similar to ICB approach in terms of time performance. Needle visibility, which represent an important clinical variable, was superior and angle between needle and ultrasound probe was close to 0° in the RCB group. CLINICAL
trial registrationClinicalTrials.gov (NCT02913625), registered 26 September 2016.
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