Amethocaine Hydrochloride

Ca, Jackson

doi:10.1136/bmj.1.4593.99

Cited by 13 publications

(1 citation statement)

References 7 publications

(8 reference statements)

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“…Lignocaine is regarded as a very safe drug (Hewer and Lee, 1957). Surprisingly, in Britain there have been few published case reports regarding the hazards of these drugs during bronchoscopy and bronchography, though reactions to amethocaine have been described (Hancock, 1939;Jackson, 1949). Here are reported five examples of untoward reactions to these drugs.…”

Section: Hazards With Local Anaestheticsmentioning

confidence: 89%

Hazards with Local Anaesthetics during Bronchography and Bronchoscopy

Gupta¹

1959

BMJ

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Section: Hazards With Local Anaestheticsmentioning

confidence: 89%

Hazards with Local Anaesthetics during Bronchography and Bronchoscopy

Gupta¹

1959

BMJ

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Anesthesia For Surgery of the Nose, Pharynx, Larynx, and Trachea

Moore¹,

Tolan²

1956

Archives of Otolaryngology - Head and Neck Surgery

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Topical amethocaine (Ametop™) is superior to EMLA for intravenous cannulation

Browne

Awad

Plant

et al. 1999

Can J Anesth/J Can Anesth

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Purpose: A eutectic mixture of local anesthetics (EMLA) is commonly used to provide topical anesthesia for intravenous (iv) cannulation. One of its side effects is vasoconstriction, which may render cannulation more difficult. A gel formulation of amethocaine (Ametop") is now commercially available. The aim of this study was to compare EMLA and Ametop TM with regard to the degree of topical anesthesia afforded, the incidence of vasoconstriction and the ease of iv cannulation. Methods: Thirty two ASAI adult volunteers had a # 16 gauge iv cannula inserted on two separate occasions using EMLA and Ametop TM applied in a double blind fashion for topical anesthesia. Parameters that were recorded after each cannulation included visual analogue pain scores (VAPS), the presence of vasoconstriction and the ease of cannulation, graded as: I = easy, 2 = moderately difficult, 3 = difficult and 4 = failed. Results: The mean VAPS + SD after cannulation with Ametop'~ M was 12 + 9.9 and with EMLA was 25.3 -+ 16.6 (P = 0.002). Vasoconstriction occurred after EMLA application on 17 occasions and twice after Ametop TM (P = 0.001). The grade of difficulty of cannulation was 1.44 _+ 0.88 following EMLA and 1.06 _+ 0.25 with Ametop TM (P = 0.023). Conclusions: Intravenous cannulation was less painful following application of Ametof" than EMLA. In addition, Ametop TM caused less vasoconstriction and facilitated easier cannulation. Its use as a topical anesthetic agent is recommended, especially when iv access may be problematic.Objectif : Un m~lange eutectique d'anesth&iques Iocaux (MEAL) est souvent utilis6 pour I'anesth6sie topique Iors d'une canulation intraveineuse (iv). La vasoconstriction, qui est I'un des effets secondaires du MEAL, peut compliquer la mise en place d'une canule. Une pr&entation en gel d'am&hocaine (Ametop TM) est maintenant offerte dans le commerce. Le but de la pr&ente 6tude &ait de comparer le MEAL et I'Ametop TM en regard du degrE d'anesth&ie topique foumi, de rincidence de la vasoconstriction et de la facilitE de la canulation iv. M&hode : On a ins&E, en deux occasions s6par&s chez 32 volontaires adultes d'&at physique ASA I, une canule iv de calibre 16 en utilisant en double aveugle le MEAL et Ametop TM pour rEaliser ranesth6sie topique. Apr& chaque canulation, on a enregistr6 les param&res suivants : les scores de douleur ~ I'&helle visuelle analogue (EVA), la presence de vasoconstriction et la facilit6 de canulation notEe I = facile, 2 = mod&Ement difficile, 3 --di~cile et 4 = impossible. l~uJ.tats : Les scores moyens ~ I'E--VA + I'&art type ont ~t~ de 12 -9,9 ~ la suite de la canulation avec Ametop TM Met de 25,3 _+ 16,6 apr& le MEAL (P = 0,002). La vasoconstriction est survenue en 17 occasions apr& I'application du MEAL et deux fois plus souvent apr& Ametop TM (P --0,00 I). Le degr6 de difficult6 de canulation a 6t6 de 1,44 _+ 0,88 apr& le MEAL et de 1,06 +_ 0,25 apr& Ametop TM (P = 0,023). Conclusion : La canulation intraveineuse est moins douloureuse apr& I'application d'Ametop TM que celle du MEAL. D...

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Amethocaine Hydrochloride

Cited by 13 publications

References 7 publications

Hazards with Local Anaesthetics during Bronchography and Bronchoscopy

Hazards with Local Anaesthetics during Bronchography and Bronchoscopy

Anesthesia For Surgery of the Nose, Pharynx, Larynx, and Trachea

Topical amethocaine (Ametop™) is superior to EMLA for intravenous cannulation

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