A modified approach for performing ultrasound-guided radial, ulnar, median and musculocutaneous nerve block in a dog

Castiñeiras, Diego; Viscasillas, Jaime; Seymour, Chris

doi:10.1111/vaa.12292

Cited by 8 publications

(3 citation statements)

References 5 publications

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“…Regarding the volume and the concentration of LA used for the proximal RUMM block, agreement in terms of volume (0.18 mL kg -1 to 0.35 mL kg -1 ) and concentration (0.25% to 0.75%) was not found in the literature (Trumpatori et al 2010;Bortolami et al 2012;Portela et al 2013;Castiñeiras et al 2015). The volume employed in the present study was based on the gross anatomical study considering the position and the dimension of the interested nerves.…”

Section: Discussionmentioning

confidence: 78%

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Proximal RUMM block in dogs: preliminary results of cadaveric and clinical studies

Tayari

Otero

Rossetti

et al. 2019

Veterinary Anaesthesia and Analgesia

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Objective To evaluate intra and postoperative efficacy of an ultrasound (US)-guided radial (R), ulnar (U), median (M) and musculocutaneous (Mc) nerve blocks, performed together in the axillary space by a single in-plane approach.Study design Anatomical research and prospective clinical study.Animals Three dog cadavers and 15 client-owned dogs undergoing thoracic orthopaedic limb surgery. MethodsIn Phase-1, anatomical dissection and US study of the axillary space were performed to design an US-guided proximal RUMM block.The technique was considered successful if 0.15 mL kg -1 of new methylene blue solution completely stained for ≥ 2 cm the four nerves in two cadavers.In Phase-2, the US-guided proximal RUMM block designed on phase 1 was performed as analgesic strategy in fifteen client-owned dogs undergoing orthopaedic thoracic limb surgery using a total volume of 0.15 mL kg -1 of ropivacaine 0.5%. Intraoperative success rate (fentanyl requirement < 1.2 mcg kg -1 hour -1 ) and analgesic duration of the block, by a postoperative pain score (Short form Glasgow composite measure pain scale, SF-GCMPS ≥ 5/20) were evaluated.

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Section: Discussionmentioning

confidence: 78%

“…Introduction of ultrasound (US) guided-PNB techniques increased loco-regional anaesthesia efficacy and reproducibility (Marhofer & Fritsch 2017). Although to date, there is no study comparing nerve-stimulated vs US-guided techniques for RUMM block in dogs, the last (Portela et al 2013;Castiñeiras et al 2015) showed promising results.…”

Section: Resultsmentioning

confidence: 99%

Proximal RUMM block in dogs: preliminary results of cadaveric and clinical studies

Tayari

Otero

Rossetti

et al. 2019

Veterinary Anaesthesia and Analgesia

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“…Targeting the R nerve first, followed by needle redirection towards the U, M and Mc nerve bundle; the authors concluded anatomical staining of all RUMM nerves was achievable, and the lateral approach may improve operator ease and potentially reduce myogenic and neurovascular trauma compared with traditional approaches. 5,7–9 To our knowledge, a lateral approach to an axillary RUMM block using a single injection site, without needle redirection, has not been described in cats.…”

Section: Introductionmentioning

confidence: 99%

Lateral ultrasound-guided axillary RUMM block in cats: a pilot cadaveric study

Pratt

Martínez-Taboada

2020

Journal of Feline Medicine and Surgery

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Objectives This study aimed to describe the prominent landmarks for an in-plane ultrasound-guided lateral approach to an axillary RUMM block in cats and document the anatomical distribution of injected solution in cadavers. Methods Eleven mixed breed, frozen-thawed cat cadavers were used. The ultrasound probe was placed on the lateral aspect of the forelimb. A spinal needle was used to inject either methylene blue 5 mg/ml or permanent tissue dye 1:10 within the focal clustering point of the radial (R), ulna (U), median (M) and musculocutaneous (Mc) nerves. The block was approached from either a cranial or caudal direction. Specimens were immediately dissected. A successful block was defined as ⩾20 mm of continuous stain on all nerves (R, U, M and Mc), a partial block as one or more nerves stained ⩾20 mm continuously and a negative block failed to stain any nerve ⩾20 mm. Results The cranial approach stained the R 8/9, U 6/9, M 6/9 and Mc 8/9 nerves successfully, while the caudal approach stained the R 7/9, U 8/9, M 7/9 and Mc 5/9 nerves successfully. There were no statistical differences on staining rates between approaches or limbs used. Conclusions and relevance The lateral approach to an axillary RUMM block is feasible in cats and may be a useful alternative to current approaches used for brachial and antebrachial desensitisation. Both cranial and caudal approaches produced similar results; however, further research in live animals will determine the clinical applicability.

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POCUS: Nerve Blocks – Forelimb

Otero¹,

Portela²

2021

Point‐of‐Care Ultrasound Techniques for the Small Animal Practitioner

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A modified approach for performing ultrasound-guided radial, ulnar, median and musculocutaneous nerve block in a dog

Cited by 8 publications

References 5 publications

Proximal RUMM block in dogs: preliminary results of cadaveric and clinical studies

Proximal RUMM block in dogs: preliminary results of cadaveric and clinical studies

Lateral ultrasound-guided axillary RUMM block in cats: a pilot cadaveric study

POCUS: Nerve Blocks – Forelimb

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