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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" article-type="editorial" dtd-version="1.1" specific-use="sps-1.9" xml:lang="pt">
  <front>
    <journal-meta>
      <journal-id journal-id-type="nlm-ta">Arq Bras Cardiol</journal-id>
      <journal-id journal-id-type="publisher-id">abc</journal-id>
      <journal-title-group>
        <journal-title>Arquivos Brasileiros de Cardiologia</journal-title>
        <abbrev-journal-title abbrev-type="publisher">Arq. Bras. Cardiol.</abbrev-journal-title>
      </journal-title-group>
      <issn pub-type="ppub">0066-782X</issn>
      <issn pub-type="epub">1678-4170</issn>
      <publisher>
        <publisher-name>Sociedade Brasileira de Cardiologia - SBC</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id specific-use="scielo-v3" pub-id-type="publisher-id">dZ5XdnqQThYcTQ3ynbFsbCs</article-id>
      <article-id specific-use="scielo-v2" pub-id-type="publisher-id">S0066-782X2021000701150</article-id>
      <article-id pub-id-type="publisher-id">abc.20210184</article-id>
      <article-id pub-id-type="doi">10.36660/abc.20210184</article-id>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Minieditorial</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Import&#226;ncia da T&#233;cnica Anest&#233;sica e Analgesia no Implante de Desfibrilador Subcut&#226;neo e Endovascular: Um Aspecto Geralmente Ignorado</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-2947-3066</contrib-id>
          <name>
            <surname>Elias</surname>
            <given-names>Jorge</given-names>
            <suffix>Neto</suffix>
          </name>
          <xref ref-type="aff" rid="aff1">
            <sup>1</sup>
          </xref>
        </contrib>
      </contrib-group>
      <aff id="aff1">
        <label> 1 </label>
        <institution content-type="orgname">Vit&#243;ria Apart Hospital</institution>
        <addr-line>
          <named-content content-type="city">Serra</named-content>
          <named-content content-type="state">ES</named-content>
        </addr-line>
        <country country="BR">Brasil</country>
        <institution content-type="original"> Vit&#243;ria Apart Hospital - Servi&#231;o de Eletrofisiologia, Serra , ES &#8211; Brasil </institution>
      </aff>
      <author-notes>
        <corresp id="c01">Correspond&#234;ncia: Jorge Elias Neto &#8226; Av. Nossa Sra. dos Navegantes, 451/814. CEP 29050-335 - Enseada do Su&#225; &#8211; Vit&#243;ria, ES &#8211; Brasil E-mail: <email>jeliasneto@gmail.com</email> </corresp>
      </author-notes>
      <pub-date date-type="pub" publication-format="electronic">
        <day>14</day>
        <month>06</month>
        <year>2021</year>
      </pub-date>
      <pub-date date-type="collection" publication-format="electronic">
        <month>06</month>
        <year>2021</year>
      </pub-date>
      <volume>116</volume>
      <issue>6</issue>
      <fpage>1150</fpage>
      <lpage>1152</lpage>
      <permissions>
        <license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/" xml:lang="en">
          <license-p>This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</license-p>
        </license>
      </permissions>
      <kwd-group xml:lang="pt">
        <kwd>Taquiarritmia Ventricular</kwd>
        <kwd>Cardioversor-Desfibrilador implant&#225;vel/tend&#234;ncias</kwd>
        <kwd>CDI subcut&#226;neo/tend&#234;ncias</kwd>
        <kwd>Qualidade de vida</kwd>
        <kwd>Seda&#231;&#227;o Consciente</kwd>
        <kwd>Anestesia</kwd>
        <kwd>Analgesia</kwd>
      </kwd-group>
      <counts>
        <fig-count count="0"/>
        <table-count count="0"/>
        <equation-count count="0"/>
        <ref-count count="15"/>
        <page-count count="3"/>
      </counts>
    </article-meta>
  </front>
  <body>
    <p>Originalmente introduzido por Mirowski h&#225; 50 anos, o cardioversor-desfibrilador implant&#225;vel (CDI) tornou-se um dos pilares na preven&#231;&#227;o de MSC relacionada a taquiarritmias ventriculares. <sup><xref ref-type="bibr" rid="B1">1</xref></sup></p>
    <p>Entretanto, al&#233;m da capacidade de salvar vidas, os cateteres transvenosos t&#234;m seus pr&#243;prios riscos.</p>
    <p>As inova&#231;&#245;es tecnol&#243;gicas e a observa&#231;&#227;o dessas complica&#231;&#245;es e limita&#231;&#245;es levaram ao surgimento do CDI subcut&#226;neo (CDI-S). <sup><xref ref-type="bibr" rid="B1">1</xref></sup></p>
    <p>Essa t&#233;cnica est&#225; evoluindo rapidamente para se tornar uma alternativa segura e eficiente para o CDI-TV, deixando o cora&#231;&#227;o e a vasculatura intocados, e reduzindo complica&#231;&#245;es relacionadas a cateteres. <sup><xref ref-type="bibr" rid="B1">1</xref> - <xref ref-type="bibr" rid="B5">5</xref></sup></p>
    <p>Novas interven&#231;&#245;es e dispositivos necessariamente demandam uma an&#225;lise constante da t&#233;cnica anest&#233;sica apropriada a ser usada. Apenas recentemente, os primeiros estudos que lidam com o implante de CDI-S surgiram e analisaram a quest&#227;o da seguran&#231;a perioperat&#243;ria e analgesia p&#243;s-operat&#243;ria e seu impacto no paciente. Entretanto, como os autores observaram, h&#225; uma car&#234;ncia de estudos formatados que comparem esses dois tipos de CDI.</p>
    <p>Nessa edi&#231;&#227;o, Auquilla-Clavijo et al. <sup><xref ref-type="bibr" rid="B6">6</xref></sup> lidam com essas duas quest&#245;es fundamentais: comparar a QDV e a percep&#231;&#227;o da dor e do desconforto resultante da t&#233;cnica cir&#250;rgica (e, principalmente, o protocolo anest&#233;sico usado), levando em considera&#231;&#227;o o tipo de dispositivo implantado no paciente (CDI-TV vs. CDI-S). <sup><xref ref-type="bibr" rid="B6">6</xref></sup></p>
    <p>Como relatado, os autores usaram a t&#233;cnica anest&#233;sica chamada de seda&#231;&#227;o e analgesia administrada por m&#233;dicos n&#227;o anestesiologistas ( <italic>non-anesthesiologist-administered sedation and analgesia</italic> - NASA). <sup><xref ref-type="bibr" rid="B6">6</xref></sup></p>
    <p>Embora ela seja segura e perfeitamente vi&#225;vel, n&#227;o se pode considerar que os resultados sejam reproduzidos em servi&#231;os que contam com uma equipe dedicada de anestesiologistas. Ou seja, os resultados s&#227;o v&#225;lidos para situa&#231;&#245;es semelhantes, mas n&#227;o se exclui a possibilidade de se obter um resultado mais favor&#225;vel para a pesquisa sobre QDV durante a seda&#231;&#227;o realizada pela equipe de anestesia.</p>
    <p>Na verdade, h&#225; hesita&#231;&#227;o em rela&#231;&#227;o ao uso de anestesia local com seda&#231;&#227;o consciente para procedimentos implante de terapia de ressincroniza&#231;&#227;o card&#237;aca com desfibrilador (TRC-d) ou CDI-S. <sup><xref ref-type="bibr" rid="B7">7</xref></sup> Essa quest&#227;o &#233; plaus&#237;vel se forem consideradas as diferen&#231;as significativas entre a gest&#227;o perioperat&#243;ria do CDI-S e do CDI-TV. <sup><xref ref-type="bibr" rid="B1">1</xref></sup> (Ref 2) O CDI-S requer uma dissec&#231;&#227;o de tecido mais extensa, tuneliza&#231;&#227;o de cateter, e, apesar dos resultados recentes com o escore PRAETORIAN, o teste de desfibrila&#231;&#227;o (TD) continua sendo a rotina. <sup><xref ref-type="bibr" rid="B4">4</xref> , <xref ref-type="bibr" rid="B6">6</xref></sup></p>
    <p>Ainda n&#227;o se sabe qual &#233; o melhor anest&#233;sico para o implante de CDI-S e TD, j&#225; que h&#225; uma escassez de dados randomizados. Entretanto, uma an&#225;lise da literatura demonstra a efic&#225;cia e a seguran&#231;a do implante de CDI-S utilizando-se v&#225;rias modalidades: anestesia geral (AG); cuidado anest&#233;sico monitorado (MAC), um servi&#231;o administrado por um m&#233;dico ou enfermeiro anestesista; anestesia regional e local suplementadas com t&#233;cnicas de seda&#231;&#227;o/analgesia. <sup><xref ref-type="bibr" rid="B8">8</xref></sup> Provavelmente, um procedimento bem-sucedido pode ser realizado com uma variedade de modalidades de anestesia que devem levar em considera&#231;&#227;o os aspectos cl&#237;nicos e as comorbidades dos pacientes, bem como a experi&#234;ncia e a prefer&#234;ncia da equipe m&#233;dica. <sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
    <p>A AG pode ser utilizada, mas n&#227;o &#233; necess&#225;ria para implantes de CDI-S, e deve-se, sempre que poss&#237;vel, optar pelo MAC. Se a equipe, como neste artigo, optar pela abordagem NASA durante o implante de CDI, sugere-se que seja realizada uma fase de curva de aprendizado (os primeiros 5-10 implantes), e a realiza&#231;&#227;o de um programa de treinamento apropriado. O treinamento deve incluir pol&#237;ticas e procedimentos para orientar a administra&#231;&#227;o de seda&#231;&#227;o, o monitoramento de pacientes, e a gest&#227;o de vias a&#233;reas. <sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
    <p>A recente incorpora&#231;&#227;o de t&#233;cnicas de bloqueio de nervo peitoral, chamadas PECS I e II, guiadas por ultrassom, proporcionam a anestesia do m&#250;sculo transverso do t&#243;rax, e de bloqueios do m&#250;sculo serr&#225;til anterior, cobrindo tanto a regi&#227;o tor&#225;cica anterior (inclusive os m&#250;sculos peitorais maior e menor), bem como anestesia o nervo intercostobraquial, os nervos intercostais de tr&#234;s a seis, e o nervo tor&#225;cico longo. <sup><xref ref-type="bibr" rid="B1">1</xref> , <xref ref-type="bibr" rid="B8">8</xref> - <xref ref-type="bibr" rid="B10">10</xref></sup> As vantagens dos bloqueios de nervo peitoral s&#227;o sua rapidez e facilidade de anestesia. Entretanto, mesmo com o bloqueio regional adequado, os pacientes que passam por CDI-S podem precisar tamb&#233;m de AG ou MAC, por&#233;m, possivelmente, em um grau menor.</p>
    <p>Outra quest&#227;o relevante est&#225; relacionada ao protocolo (medicamentos e as respectivas doses) utilizado para a seda&#231;&#227;o consciente. A benzodiazepina (nesse caso, midazolam) est&#225; associada a del&#237;rios, especialmente em pacientes idosos; e o propofol em bomba de infus&#227;o proporciona um despertar melhor, menos n&#225;usea e v&#244;mito p&#243;s-operat&#243;rio, e menos tempo de recupera&#231;&#227;o p&#243;s-anest&#233;sica. <sup><xref ref-type="bibr" rid="B7">7</xref> - <xref ref-type="bibr" rid="B9">9</xref></sup></p>
    <p>Sabe-se que a mortalidade de recipientes de CDI &#233; significativamente prevista por sua qualidade de vida (QDV). Uma meta-an&#225;lise recente demonstrou que interven&#231;&#245;es psicoeducativas melhoram o componente f&#237;sico, mas n&#227;o o componente mental da QDV em pacientes com CDI. Esse ponto tamb&#233;m &#233; relevante em rela&#231;&#227;o aos resultados a serem obtidos com a percep&#231;&#227;o da interven&#231;&#227;o (independentemente do tipo de dispositivo implantado). <sup><xref ref-type="bibr" rid="B11">11</xref></sup></p>
    <p>O que o estudo tamb&#233;m deixa claro &#233; que a condi&#231;&#227;o mental (psicol&#243;gica, tipo de personalidade) do paciente interfere diretamente nos resultados obtidos nos question&#225;rios comumente utilizados.</p>
    <p>Essa observa&#231;&#227;o leva a outro aspecto a ser considerado: cerca de 20% dos pacientes submetidos a implante de CDI apresentam sintomas de depress&#227;o. O aspecto psicol&#243;gico &#233; fundamental, entretanto, uma vez que os sintomas de depress&#227;o afetam n&#227;o apenas a qualidade de vida dos pacientes, como tamb&#233;m aumentam seu risco de morte prematura apesar do tratamento de ponta com o CDI. <sup><xref ref-type="bibr" rid="B12">12</xref></sup></p>
    <p>Estudos mostram que a pesquisa sobre a personalidade tipo D &#233; possivelmente fundamental, j&#225; que &#233; um preditor independente da depress&#227;o p&#243;s-implante e pode comprometer os resultados de estudos que n&#227;o tentam investigar essa vari&#225;vel. Outro aspecto &#233; que a predomin&#226;ncia de homens nesse estudo pode comprometer o n&#237;vel de atitude positiva em rela&#231;&#227;o &#224; depend&#234;ncia da tecnologia, dificultando a generalizabilidade.</p>
    <p>No presente estudo, foi utilizado o question&#225;rio SF-12 (Formul&#225;rio curto de 12 itens para pesquisa de sa&#250;de). Sabe-se que o SF-12, bem como o SF-36, s&#227;o os indicadores de QDV mais amplamente utilizados em estudos da popula&#231;&#227;o com CDI internacionalmente. <sup><xref ref-type="bibr" rid="B13">13</xref></sup> Entretanto, o SF-12 pode n&#227;o detectar resultados de QDV espec&#237;ficos do CDI, especialmente o bem-estar mental, e esse &#233; um aspecto limitador desse estudo. <sup><xref ref-type="bibr" rid="B11">11</xref></sup></p>
    <p>Por exemplo, o estudo EFFORTLESS S-ICD Registry, al&#233;m de usar o SF-12 teve o cuidado de evitar vieses que pudessem ser atribu&#237;dos ao tipo de personalidade do paciente. Para isso, foi utilizado o DS 14. Os autores tomaram esse cuidado, como indicado acima, por terem o conhecimento de que a personalidade tipo D &#233; um fator de vulnerabilidade para QDV pior, arritmias potencialmente fatais, e mortalidade prematura em pacientes com CDI. <sup><xref ref-type="bibr" rid="B14">14</xref></sup></p>
    <p>Outra possibilidade seria o autor utilizar a vers&#227;o SF-12v2, que tamb&#233;m inclui 2 s&#237;nteses estat&#237;sticas, incluindo um escore f&#237;sico ( <italic>Physical Component Summary</italic> ou PCS) e um escore mental ( <italic>Mental Component Summary</italic> ou MCS). <sup><xref ref-type="bibr" rid="B11">11</xref> , <xref ref-type="bibr" rid="B15">15</xref></sup></p>
    <p>Por &#250;ltimo, devido ao importante vi&#233;s resultante de pacientes operados novamente ap&#243;s complica&#231;&#245;es pr&#233;vias com um dispositivo CDI-TV, considerou-se que a an&#225;lise comparativa de QDV entre grupos n&#227;o pode ser avaliada.</p>
    <p>Espera-se que o aumento cont&#237;nuo de CDI-S e estudos prospectivos consiga reproduzir essas observa&#231;&#245;es unic&#234;ntricas e determinar a melhor forma de proporcionar uma t&#233;cnica anest&#233;sica de implante segura, eficiente e confort&#225;vel, concentrando-se sempre no impacto na QDV dos pacientes.</p>
  </body>
  <back>
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      <fn fn-type="other" id="fn1">
        <p>Minieditorial referente ao artigo: Estudo Comparativo entre Receptores de Desfibriladores Subcut&#226;neos e Transvenosos em Rela&#231;&#227;o &#224; Toler&#226;ncia ao Procedimento de Implante e Percep&#231;&#227;o da Qualidade de Vida</p>
      </fn>
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  </back>
  <sub-article article-type="translation" id="TRen" xml:lang="en">
    <front-stub>
      <article-categories>
        <subj-group subj-group-type="heading">
          <subject>Short Editorial</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title>Importance of the Anesthetic Technique and Analgesia in the Implantation of Subcutaneous and Endovascular Defibrillator: An Aspect Often Ignored</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <contrib-id contrib-id-type="orcid">0000-0003-2947-3066</contrib-id>
          <name>
            <surname>Elias</surname>
            <given-names>Jorge</given-names>
            <suffix>Neto</suffix>
          </name>
          <xref ref-type="aff" rid="aff1001">
            <sup>1</sup>
          </xref>
        </contrib>
      </contrib-group>
      <aff id="aff1001">
        <label>1</label>
        <country country="BR">Brasil</country>
        <institution content-type="original">Vit&#243;ria Apart Hospital - Servi&#231;o de Eletrofisiologia, Serra, ES &#8211; Brasil</institution>
      </aff>
      <author-notes>
        <corresp id="c01001">Mailing Address: Jorge Elias Neto &#8226; Av. Nossa Sra. dos Navegantes, 451/814. Postal Code 29050-335. Enseada do Su&#225;, Vit&#243;ria, ES &#8211; Brazil Email: jeliasneto@gmail.com</corresp>
      </author-notes>
      <kwd-group xml:lang="en">
        <kwd>Tachycardia, Ventricular</kwd>
        <kwd>Cardioversor&#8211;Defibrillator Implantable/trends</kwd>
        <kwd>CDI Subcutaneous/trends</kwd>
        <kwd>Quality of Life</kwd>
        <kwd>Conscious Sedation</kwd>
        <kwd>Anesthesy</kwd>
        <kwd>Analgesia</kwd>
      </kwd-group>
    </front-stub>
    <body>
      <p>Originally introduced by Mirowski 50 years ago, the implantable cardioverter-defibrillator (ICD) has become a cornerstone to preventing SCD related to ventricular tachyarrhythmias.<sup><xref ref-type="bibr" rid="B1">1</xref></sup></p>
      <p>However, besides their lifesaving capacities, the transvenous leads carry their own risk.</p>
      <p>The technological improvement and the observation of these complications and limitations led to the appearance of the subcutaneous ICD (S-ICD).<sup><xref ref-type="bibr" rid="B1">1</xref></sup></p>
      <p>This technique is rapidly evolving to become a safe and effective alternative for the TV-ICD, leaving the heart and vasculature untouched, with reduced lead-related complications.<sup><xref ref-type="bibr" rid="B1">1</xref> - <xref ref-type="bibr" rid="B5">5</xref></sup></p>
      <p>New interventions and devices necessarily demand a constant analysis of the appropriate anesthetic technique to be used. Only recently, the first studies that deal with the implantation of S-ICD have appeared and analyzed the issue of perioperative safety and postoperative analgesia, as well as its impact on the patient. However, as the authors have pointed out, there is a lack of formatted studies to compare these two types of ICD.</p>
      <p>In this edition Auquilla-Clavijo et al.,<sup><xref ref-type="bibr" rid="B6">6</xref></sup> address these two fundamental questions: comparing QOL and the perception of pain and discomfort resulting from the surgical technique (and, more importantly, the anesthetic protocol used), taking into account the type of device implanted in the patient (TV-ICD x S -ICD).<sup><xref ref-type="bibr" rid="B6">6</xref></sup></p>
      <p>As reported, the authors used the anesthesiological technic, called non-anesthesiologist-administered sedation and analgesia (NASA).<sup><xref ref-type="bibr" rid="B6">6</xref></sup></p>
      <p>Although safe and perfectly feasible, it is not possible to consider that the current results are reproduced in services that have a dedicated team of anesthetists. That is, the results are valid for similar situations but do not rule out the possibility of obtaining a more favorable result in QOL research during sedation conducted by the anesthesia team.</p>
      <p>In fact, there is some hesitation regarding the use of local anesthesia with conscious sedation for cardiac resynchronization defibrillator therapy (CRT-d) or S-ICD implantation procedures.<sup><xref ref-type="bibr" rid="B7">7</xref></sup> This question is plausible if we consider the significant differences between the perioperative management of the S-ICD and the TV-ICD<sup><xref ref-type="bibr" rid="B1">1</xref></sup> (Ref 2). The S-ICD requires more extensive tissue dissection and tunneling of a lead, and despite recent results with the PRAETORIAN SCORE, defibrillation testing (DT) remains routine.<sup><xref ref-type="bibr" rid="B4">4</xref> , <xref ref-type="bibr" rid="B6">6</xref></sup></p>
      <p>The best anesthesia for S-ICD implantation and DT is unknown, as a paucity of randomized data exists. However, a review of the literature demonstrates efficacy and safety for S-ICD implantation using several modalities: general anesthesia (GA); Monitored Anesthesia Care (MAC), a service provided by an anesthesiologist or certified registered nurse anesthetist; and regional anesthesia and local anesthesia supplemented with sedation/analgesia techniques.<sup><xref ref-type="bibr" rid="B8">8</xref></sup> A successful procedure can most likely be accomplished with a variety of anesthesia modalities that must take into account clinical aspects and comorbidities of patients, as well as the experience and preference of the medical team.<sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
      <p>GA can be used, but it is not required for S-ICD implants, and professionals should, whenever possible, choose MAC. If the team, as in this article, opts for the NASA approach during the ICD implant, both a learning curve phase (initial 5-10 implants) and the completion of an appropriate training program are suggested. This training should include policies and procedures to guide the administration of sedation, patient monitoring, and airway management.<sup><xref ref-type="bibr" rid="B8">8</xref></sup></p>
      <p>The recent incorporation of truncal plane nerve block techniques, called PECS I&amp;II, guided by ultrasound, provides anesthesia to the transversus thoracic muscle plane, and the serratus anterior plane blocks, covering both the anterior thoracic region (including the pectoralis major and minor muscle) as well as anesthetizes the intercostobrachial nerve, intercostal nerves three through six, and the long thoracic nerve.<sup><xref ref-type="bibr" rid="B1">1</xref> , <xref ref-type="bibr" rid="B8">8</xref> - <xref ref-type="bibr" rid="B10">10</xref></sup> The advantages of truncal plane blocks are that they are quick and easy for anesthesia. However, even with adequate regional block, patients undergoing S-ICD may still require GA or MAC but perhaps to a lesser extent.</p>
      <p>Another relevant issue concerns the protocol (drugs and respective doses) used for conscious sedation. Benzodiazepine (in this case midazolam) is associated with delirium, particularly in elderly patients; and propofol in infusion pumps produces better arousal, less postoperative nausea and vomiting, and a shorter post-anesthetic recovery time.<sup><xref ref-type="bibr" rid="B7">7</xref> - <xref ref-type="bibr" rid="B9">9</xref></sup></p>
      <p>We know that ICD recipients&#8217; mortality is significantly predicted by their quality of life (QOL). A recent meta-analysis has shown that psycho-educational interventions improve the physical component but not the mental component of QOL in patients with ICD. This point is also relevant concerning the results to be obtained with the perception of the intervention (regardless of the type of implanted device).<sup><xref ref-type="bibr" rid="B11">11</xref></sup></p>
      <p>What this study also makes clear is that the patient&#8217;s mental (psychological, personality type) situation directly interferes in the results obtained in the commonly used questionnaires.</p>
      <p>This observation leads us to another aspect that we would like to consider: about 20% of the patients submitted to the ICD implant show symptoms of depression. The psychological aspect is fundamental, however, given that depressive symptoms not only affect patients&#8217; quality of life, but also increase their risk of premature death despite state-of-the-art treatment with the ICD.<sup><xref ref-type="bibr" rid="B12">12</xref></sup></p>
      <p>Studies show that D-type personality research is possibly essential, since it is an independent predictor of post-implant depression and may compromise the results of studies that do not attempt to investigate this variable. Another aspect is that the predominance of males in this study may compromise the degree of positive attitudes toward technology dependency, thus making generalizability difficult.</p>
      <p>In the current study, the SF-12 questionnaire (12-Item Short-Form Health Survey) was used. We know that the SF-12, as well as the SF-36, are the most widely used QOL in studies on the ICD population internationally.<sup><xref ref-type="bibr" rid="B13">13</xref></sup> However, SF-12 may not detect ICD specific QOL outcomes, especially mental health wellbeing, which proved to be a limiting aspect of this study.<sup><xref ref-type="bibr" rid="B11">11</xref></sup></p>
      <p>For example, the EFFORTLESS S-ICD Registry, in addition to the use of the SF-12 was careful to avoid possible bias attributable to the type of personality of the patient. For this, they used the DS 14. The authors took this care, as already indicated above, due to the knowledge that personality type D is a vulnerability factor in poorer QoL, life-threatening arrhythmias, and premature mortality in patients with an ICD.<sup><xref ref-type="bibr" rid="B14">14</xref></sup></p>
      <p>Another possibility would be for the author to use the SF-12v2 version, which also includes two summary measures, including a physical health component score (PCS) and a mental health component score (MCS).<sup><xref ref-type="bibr" rid="B11">11</xref> , <xref ref-type="bibr" rid="B15">15</xref></sup></p>
      <p>Finally, due to the important bias resulted from the re-operated patients after previous complications with a TV-ICD device, we consider that the comparative analysis of QoL between groups cannot be valued.</p>
      <p>We expect that the continuous increase of S-ICD and prospective trials may be possible to reproduce these single-center observations and determine the best way to provide a safe, efficient, and comfortable anesthetic implant technique, always maintaining focus on the impacts on patients&#8217; QoL.</p>
    </body>
    <back>
      <fn-group>
        <fn fn-type="other" id="fn1001">
          <p>Short editorial related to the article: Comparative Study between Subcutaneous and Endovascular Defibrillator Recipients Regarding Tolerance to the Implant Procedure and Perception of Quality of Life</p>
        </fn>
      </fn-group>
    </back>
  </sub-article>
</article>
