Minimum Effective Volume of Lidocaine for Double-Injection Ultrasound-Guided Axillary Block

González, Andrea P.; Bernucci, Francisca; Pham, Kevin; Correa, José A.; Finlayson, Roderick J.; Tran, De Q.H.

doi:10.1097/aap.0b013e3182707176

Cited by 83 publications

(39 citation statements)

References 24 publications

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“…Sensory block of the musculocutaneous, median, radial, and ulnar nerves was graded according to a three-point scale using a cold test: 0 = no block; 1 = analgesia (patient can feel touch but not cold sensation); 2 = anesthesia (patient cannot feel touch). 20,[24][25][26] The musculocutaneous, median, radial, and ulnar nerves were assessed on the lateral aspect of the forearm, the volar aspect of the thumb, the lateral aspect of the dorsum of the hand, and the volar aspect of the fifth finger, respectively. 20,[24][25][26] Motor block was also graded on a threepoint scale: 0 = no block; 1 = paresis; 2 = paralysis.…”

Section: Methodsmentioning

confidence: 99%

“…20,[24][25][26] The musculocutaneous, median, radial, and ulnar nerves were assessed on the lateral aspect of the forearm, the volar aspect of the thumb, the lateral aspect of the dorsum of the hand, and the volar aspect of the fifth finger, respectively. 20,[24][25][26] Motor block was also graded on a threepoint scale: 0 = no block; 1 = paresis; 2 = paralysis. 20,[24][25][26] The musculocutaneous, radial, median, and ulnar nerves were evaluated by elbow flexion, thumb abduction, thumb opposition, and thumb adduction, respectively.…”

Section: Methodsmentioning

confidence: 99%

“…23 The AXB was performed according to a previously described technique. [24][25][26] All patients received 1.0% lidocaine-0.25% bupivacaine (obtained by mixing equal parts of 2% lidocaine and 0.5% bupivacaine) with epinephrine 5 lgÁmL -1 . A SonoSite M-Turbo TM US machine (SonoSite Inc, Bothell, WA, USA) and a 6-13 MHz linear US probe were used in all subjects.…”

Section: Résumémentioning

confidence: 99%

“…Twenty four mL of LA were incrementally injected in this location. A ''silhouette sign'' -defined as blurring of the arterial wall due to the contiguity of anechoic blood and anechoic LA - [24][25][26] was sought to ensure proximity between artery and needle tip.…”

Section: Résumémentioning

confidence: 99%

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A randomized comparison between intravenous and perineural dexamethasone for ultrasound-guided axillary block

Aliste

Leurcharusmee

Engsusophon

et al. 2016

Can J Anesth/J Can Anesth

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Background This randomized double-blinded trial compared the effect of intravenous and perineural dexamethasone (8 mg) on the duration of motor block for ultrasound (US)-guided axillary brachial plexus block (AXB). Methods Patients undergoing upper limb surgery with US-guided AXB were randomly allocated to receive preservative-free dexamethasone (8 mg) via intravenous (n = 75) or perineural (n = 75) administration. The local anesthetic agent, 1% lidocaine -0.25% bupivacaine (30 mL) with epinephrine 5 lgÁmL -1 , was identical in all subjects. Operators and patients were blinded to the nature of the intravenous and perineural injectate. A blinded observer assessed the block success rate (i.e., a minimal sensorimotor composite score of 14 out of 16 points at 30 min), block onset time, as well as the presence of surgical anesthesia. Postoperatively, the blinded observer contacted all patients with successful blocks to record the duration of motor block (primary outcome), sensory block, and postoperative analgesia. Results No intergroup differences were observed in terms of success rate, surgical anesthesia, and block onset time. RésuméContexte Cette étude randomisée à double insu portant sur le bloc axillaire du plexus brachial par échoguidage a comparé l'effet de la dexaméthasone (8 mg) administrée par voie intraveineuse ou périneurale sur la durée du bloc moteur. Méthode Des patients subissant une chirurgie des membres supérieurs sous un bloc axillaire du plexus brachial réalisé par échoguidage ont été randomisés à recevoir une dose de dexaméthasone (8 mg) sans agent de conservation par administration intraveineuse (n = 75) ou périneurale (n = 75). L'anesthésique local était identique pour tous les patients de l'étude, lidocaïne 1% et bupivacaïne -0,25% (30 mL) avec 5 lgÁmL -1

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Résumémentioning

confidence: 99%

Section: Résumémentioning

confidence: 99%

See 2 more Smart Citations

A randomized comparison between intravenous and perineural dexamethasone for ultrasound-guided axillary block

Aliste

Leurcharusmee

Engsusophon

et al. 2016

Can J Anesth/J Can Anesth

Self Cite

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“…Positive correlation between injected volume and time of block duration Gonzalez 2013 [13] n. msc. + perivascular block Minimum effective volume (MEV90) 5.5 mL n. msc.…”

Section: Minimum Effective Anesthetic Volume (Meav50)mentioning

confidence: 99%

Blokada pachowa splotu ramiennego pod kontrolą ultrasonografii. Część 2 — techniki wykonania

Nowakowski¹,

Bieryło²

2015

Anaesthesiol Intensive Ther

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Axillary brachial plexus block is one of the most frequently employed peripheral blocks. The popularity of axillary block stems from its success as a safe and relatively easy technique with numerous applications. The technique of axillary block has evolved. It was modified after the development of precise nerve localization modalities. Currently, ultrasound is the most important localization technique for regional anaesthesia. Ultrasound-guided axillary block encompasses a spectrum of techniques. The selection of a specific technique can be adjusted to an operator's individual level of skill and proficiency. Axillary block under US-guidance can be performed using a traditional perivascular method and by placing a selective blockade of individual nerves that supply the surgical area. Regardless of the selected method, it enables the incorporation of individual patient anatomical variation in an anaesthesia plan. This paper discusses the technical details and efficacy issues of US-guided axillary brachial plexus block techniques.Keywords: regional anaesthesia, peripheral nerve block, brachial plexus; regional anaesthesia, peripheral nerve block, axillary block; regional anaesthesia, techniques Anaesthesiology Intensive Therapy 2015, vol. 47, no 4, 417-424 Axillary brachial plexus block is one of the most frequently employed peripheral blocks. The popularity of axillary block derives from its success as a very safe and relatively easy technique with numerous applications. The technique of axillary block has evolved. It was modified after the development of precise nerve localization modalities. Currently, ultrasonography is the most important localization technique for regional anaesthesia. Ultrasound-guided axillary block encompasses a spectrum of techniques. The selection of a specific technique can be adjusted to an operator's individual skills and proficiency. Ultrasound-guided axillary block can be performed using a traditional perivascular method and by placing a selective blockade of individual brachial plexus branches that supply the field of surgical operation. Regardless of the selected method, it enables the incorporation of individual anatomical variability into the anaesthesia plan of a patient. TECHNIQUE OF ULTRASOUND-GUIDED AXILLARY BRACHIAL PLEXUS BLOCKThe use of ultrasonography enables all steps of a regional block to be controlled, such as determination of the anatomical structure of the anaesthetized region via realtime control, operational correction of the needle position and verification of the injection site and pathway of local anaesthetic agent dispersion [2]. Ultrasonography enables the assignment of an optimal site of needle puncture and the planning of the insertion vector based on the topographic relationships among particular patients.The utilization of this technique has introduced new possibilities of axillary block performance and has significantly changed its operation compared with traditional methods. Assuming that a crucial factor of effective/failed block is the appr...

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Upper Extremity Nerve Blocks

Tran¹,

Elgueta²,

Asenjo³

2018

Essentials of Regional Anesthesia

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Minimum Effective Volume of Lidocaine for Double-Injection Ultrasound-Guided Axillary Block

Cited by 83 publications

References 24 publications

A randomized comparison between intravenous and perineural dexamethasone for ultrasound-guided axillary block

A randomized comparison between intravenous and perineural dexamethasone for ultrasound-guided axillary block

Blokada pachowa splotu ramiennego pod kontrolą ultrasonografii. Część 2 — techniki wykonania

Upper Extremity Nerve Blocks

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