Letter to the Editor
Quality Spirometry: What Do We Base Our Definition On?
Calidad en la espirometría, ¿en qué nos basamos para definirla?
Jordi Giner Donaire
Servei de Pneumologia, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain
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"paginas" => array:1 [ 0 => array:1 [ "paginaInicial" => "259" ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Formación de los profesionales de atención primaria y calidad en la espirometría" ] ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Alberto Fernández Villar, Cristina Represas Represas" "autores" => array:2 [ 0 => array:2 [ "nombre" => "Alberto" "apellidos" => "Fernández Villar" ] 1 => array:2 [ "nombre" => "Cristina" "apellidos" => "Represas Represas" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "es" => array:9 [ "pii" => "S0300289614000581" "doi" => "10.1016/j.arbres.2014.01.007" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => true "ES2" => true "LATM" => true ] "gratuito" => true "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "es" "EPUB" => 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"tieneTextoCompleto" => true "saludo" => "To the Editor:" "paginas" => array:1 [ 0 => array:1 [ "paginaInicial" => "260" ] ] "autores" => array:1 [ 0 => array:3 [ "autoresLista" => "Jordi Giner Donaire" "autores" => array:1 [ 0 => array:3 [ "nombre" => "Jordi" "apellidos" => "Giner Donaire" "email" => array:1 [ 0 => "jginer@santpau.cat" ] ] ] "afiliaciones" => array:1 [ 0 => array:2 [ "entidad" => "Servei de Pneumologia, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain" "identificador" => "aff0005" ] ] ] ] "titulosAlternativos" => array:1 [ "es" => array:1 [ "titulo" => "Calidad en la espirometría, ¿en qué nos basamos para definirla?" ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">I read with interest the article by C. Represas-Represas et al.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> analyzing the short-term (1 and 2 months) and long-term (1 year) effectiveness of a tutored training program on the performance and interpretation of spirometry, from which very good results are being obtained. I am completely in agreement with the authors in their organization of joint training sessions with the operators carrying out the spirometries, and the clinicians who interpret them. This is important because knowledge of the technique and the requirements is fundamental to prevent clinicians from merely reporting numbers, while for the operators it is essential that they understand what they are trying to achieve. However, I am rather surprised that on analyzing the results, they use the performance and interpretation of the spirometry as a single parameter. These are in fact two different aspects, which while related, should be evaluated separately, since each of them has specific connotations. Additionally, in the article no definition is offered of a correct spirometry. When describing the training phase, the authors refer to the recommendations of the ERS/ATS/2005<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a>; these recommendations state that for a spirometry to be considered of quality, a minimum of three acceptable, error-free maneuvers must be achieved and the differences between the two best FVC and FEV<span class="elsevierStyleInf">1</span> readings must be less than 150<span class="elsevierStyleHsp" style=""></span>ml. One important limitation of this study, as mentioned by the authors, is that the “reproducibility of the spirometries was not analyzed”, since only one single maneuver was analyzed, and that was done graphically. Thus, it is impossible to speak of the quality of the spirometry, either from the point of view of reproducibility (3 maneuvers are necessary) or from the point of view of obtaining at least 3 acceptable maneuvers, as indicated in the current recommendations.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> A review of the literature reveals that when describing quality, other authors<a class="elsevierStyleCrossRefs" href="#bib0015"><span class="elsevierStyleSup">3,4</span></a> studying the degree of compliance with the recommendations for performing spirometry use a classification scale ranging from A to F, in which only grades A and B are accepted as quality spirometries (at least 3 acceptable, error-free maneuvers and a maximum difference between the two best FVC and FEV<span class="elsevierStyleInf">1</span> of up to 200<span class="elsevierStyleHsp" style=""></span>ml); quality indexes of between 71% and 90% are obtained from the spirometries evaluated. Recently, Borg et al.<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> published a 5-year study in which quality indexes of between 61% and 92% were obtained. In all the cases mentioned, the indexes reported are within the range obtained by Dr. C. Represas-Represas and colleagues.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> This begs the question, then, whether the criteria they used in the training sessions were followed for evaluating the spirometries.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> If this is the case, congratulations are in order; however, if these criteria were not followed, they should state clearly what they understand by a quality spirometry. This is the fundamental element upon which their results are based, and accordingly, these results could be either excellent or misleading to the reader. It is obvious that all efforts to train personnel working with spirometries are laudable, but when these efforts are evaluated, it is essential that clear criteria are followed, in line with current recommendations.</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "☆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Please cite this article as: Giner Donaire J. Calidad en la espirometría, ¿en qué nos basamos para definirla? Arch Bronconeumol. 2014;50:260.</p>" ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:5 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Efectividad a corto y largo plazo de un programa tutelado de formación en espirometrías para profesionales de atención primaria" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:6 [ 0 => "C. Represas-Represas" 1 => "M. Botana-Rial" 2 => "V. Leiro-Fernández" 3 => "A.I. González-Silva" 4 => "A. García-Martínez" 5 => "A. Fernández-Villar" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.1016/j.arbres.2013.01.001" "Revista" => array:6 [ "tituloSerie" => "Arch Bronconeumol" "fecha" => "2013" "volumen" => "49" "paginaInicial" => "378" "paginaFinal" => "382" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/23481409" "web" => "Medline" ] ] ] ] ] ] ] ] 1 => array:3 [ "identificador" => "bib0010" "etiqueta" => "2" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Standardisation of spirometry" "autores" => array:1 [ 0 => array:2 [ "etal" => true "autores" => array:6 [ 0 => "M.R. Miller" 1 => "J. Hankinson" 2 => "V. Brusasco" 3 => "F. Burgos" 4 => "R. Casaburi" 5 => "A. 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Thompson" ] ] ] ] ] "host" => array:1 [ 0 => array:2 [ "doi" => "10.4187/respcare.01724" "Revista" => array:6 [ "tituloSerie" => "Respir Care" "fecha" => "2012" "volumen" => "57" "paginaInicial" => "2032" "paginaFinal" => "2038" "link" => array:1 [ 0 => array:2 [ "url" => "https://www.ncbi.nlm.nih.gov/pubmed/22709916" "web" => "Medline" ] ] ] ] ] ] ] ] ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/15792129/0000005000000006/v1_201405291004/S1579212914001219/v1_201405291004/en/main.assets" "Apartado" => array:4 [ "identificador" => "14576" "tipo" => "SECCION" "es" => array:2 [ "titulo" => "Letters to the editor" "idiomaDefecto" => true ] "idiomaDefecto" => "es" ] "PDF" => "https://static.elsevier.es/multimedia/15792129/0000005000000006/v1_201405291004/S1579212914001219/v1_201405291004/en/main.pdf?idApp=UINPBA00003Z&text.app=https://archbronconeumol.org/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1579212914001219?idApp=UINPBA00003Z" ]
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