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      Is it safe to use local anesthesia with adrenaline in hand surgery? WALANT technique Translated title: É seguro o uso de anestésico local com adrenalina na cirurgia da mão? Técnica WALANT

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          Abstract

          In the past it was taught that local anesthetic should not be used with adrenaline for procedures in the extremities. This dogma is transmitted from generation to generation. Its truth has not been questioned, nor the source of the doubt. In many situations the benefit of use was not understood, because it was often thought that it was not necessary to prolong the anesthetic effect, since the procedures were mostly of short duration. After the disclosure of studies of Canadian surgeons, came to understand that the benefits went beyond the time of anesthesia. The WALANT technique allows a surgical field without bleeding, possibility of information exchange with the patient during the procedure, reduction of waste material, reduction of costs, and improvement of safety. Thus, after passing through the initial phase of the doubts in the use of this technique, the authors verified its benefits and the patients’ satisfaction in being able to immediately return home after the procedures.

          Resumo

          Aprendemos que não deveríamos usar um anestésico local com adrenalina para procedimentos nas extremidades. Esse dogma é transmitido de geração em geração. Não questionávamos a sua veracidade ou a origem da dúvida. Em muitas situações não entendíamos o benefício do uso, pois muitas vezes pensávamos não ser necessário prolongar o efeito anestésico, já que os procedimentos eram, na sua maioria, de curta duração. Após a divulgação de estudos dos cirurgiões canadenses, passamos a entender que os benefícios se estendiam além do tempo de anestesia. A técnica Walant permite um campo cirúrgico sem sangramento, possibilidade de troca de informações com o paciente durante o procedimento, redução de material de descarte, redução de custos e melhoria da segurança. Dessa forma, após passar pela fase inicial das dúvidas quanto ao uso dessa técnica, verificamos os seus benefícios e a satisfação dos pacientes em poderem retornar de imediato para casa após os procedimentos.

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          Most cited references37

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          A multicenter prospective study of 3,110 consecutive cases of elective epinephrine use in the fingers and hand: the Dalhousie Project clinical phase.

          To examine prospectively the incidence of digital infarction and phentolamine rescue in a large series of patients in whom local anesthesia with adrenaline was injected electively into the hand and fingers. There continues to be a commonly held belief that epinephrine injection is contraindicated in the finger despite a lack of valid evidence to support this concept in the literature. From 2002 to 2004 there were 9 hand surgeons in 6 cities who prospectively recorded each consecutive case of elective hand and finger epinephrine injection. They recorded each instance of skin or tissue loss and the number of times phentolamine reversal of adrenaline vasoconstriction was required. There were 3,110 consecutive cases of elective injection of low-dose epinephrine (1:100,000 or less) in the hand and fingers and none produced any instance of digital tissue loss. Phentolamine was not required to reverse the vasoconstriction in any patients. The true incidence of finger infarction in elective low-dose epinephrine injection into the hand and finger is likely to be remote, particularly with the possible rescue with phentolamine.
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            Epinephrine in local anesthesia in finger and hand surgery: the case for wide-awake anesthesia.

            Traditionally, surgeons were taught that local anesthesia containing epinephrine should not be injected into fingers. This idea has since been refuted in many basic and clinical scientific studies, and today, injection of lidocaine plus epinephrine is widely used for digital and hand anesthesia in Canada. The key advantages of the wide-awake technique include the creation of a bloodless field without the use of an arm tourniquet, which in turn reduces the need for conscious sedation. The use of local anesthesia permits active motion intraoperatively, which is particularly helpful in tenolysis, flexor tendon repairs, and setting the tension on tendon transfers. Additional benefits of wide-awake anesthesia include efficiencies and cost savings in outpatient surgical case flow due to the absence of conscious sedation.
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              A detailed cost and efficiency analysis of performing carpal tunnel surgery in the main operating room versus the ambulatory setting in Canada.

              Our goals were to analyze cost and efficiency of performing carpal tunnel release (CTR) in the main operating room (OR) versus the ambulatory setting, and to document the venue of carpal tunnel surgery practices by plastic surgeons in Canada. A detailed analysis of the salaries of nonphysician personnel and materials involved in CTR performed in these settings was tabulated. Hospital statistical records were used to calculate our efficiency analysis. A survey of practicing plastic surgeons in Canada documented the venue of CTR performed by most. In a 3-h surgical block, we are able to perform nine CTRs in the ambulatory setting versus four in the main OR. The cost of CTR in the ambulatory setting is $36/case and $137/case in the main OR in the same hospital. Only 18% of Canadian respondents use the main OR exclusively for CTR, whereas 63% use it for some of their cases. The ambulatory setting is used exclusively by 37%, whereas 69% use it for greater than 95% of their cases. The majority of CTR cases (>95%) are done without an anesthesia provider by 73% of surgeons. Forty-three percent use epinephrine routinely with local anesthesia and 43% avoid the use of a tourniquet for at least some cases by using epinephrine for hemostasis. The use of the main OR for CTR is almost four times as expensive, and less than half as efficient as in an ambulatory setting. In spite of this, many surgeons in Canada continue to use the more expensive, less efficient venue of the main OR for CTR.
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                Author and article information

                Contributors
                Journal
                Rev Bras Ortop
                Rev Bras Ortop
                Revista Brasileira de Ortopedia
                Elsevier
                2255-4971
                19 July 2017
                Jun-Jul 2017
                19 July 2017
                : 52
                : 4
                : 383-389
                Affiliations
                [0005]Hospital Felício Rocho, Departamento de Ortopedia e Traumatologia, Belo Horizonte, MG, Brazil
                Author notes
                [* ] Corresponding author. pires@ 123456felicoop.org.br
                Article
                S2255-4971(17)30060-5
                10.1016/j.rboe.2017.05.006
                5582825
                28884094
                18a7ae2b-3810-4f53-9a87-9099496eba81
                © 2017 Sociedade Brasileira de Ortopedia e Traumatologia. Published by Elsevier Editora Ltda.

                This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

                History
                : 30 August 2016
                : 5 September 2016
                Categories
                Update Article

                local anesthesia/methods,local anesthesia/administration and dosage,hand,surgery,adrenaline,anestesia local/métodos,anestesia local/administração e dosagem,mão,cirurgia,adrenalina

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