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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">To study self-perceived quality of life in adults with cystic fibrosis &#40;CF&#41;&#44; and to assess the validity of the St George&#39;s Respiratory Questionnaire &#40;SGRQ&#41; for use in these patients&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">We studied 37 adults with CF who were in stable condition as indicated by their respiratory and nutritional status&#46; Disease severity was assessed by spirometry used in conjunction with a modified National Institutes of Health &#40;NIH&#41; scoring system and the Bhalla scale&#46; Nutritional status was evaluated by measuring height and weight&#44; calculating body mass index&#44; analyzing bioelectric impedance&#44; and performing various laboratory tests&#46; The patients&#39; quality of life was assessed using the SGRQ&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">SGRQ scores were higher &#40;indicating poorer quality of life&#41; among patients with CF than in the general population or among patients with chronic obstructive pulmonary disease&#46; Internal consistency coefficients indicated the SGRQ had good reliability &#40;Cronbach&#39;s alpha&#44; 0&#46;864&#41;&#46; Women with CF tended to score higher than men&#44; although this difference was not statistically significantly&#46; A statistically significant relationship was observed between SGRQ score and severity of pulmonary impairment &#40;the more severe the impairment&#44; the worse the patient&#39;s quality of life&#41;&#46; Statistically significant positive relationships were found between SGRQ domains and age&#44; body mass index&#44; and body fat percentage&#46; Significant negative relationships were found between these domains and the modified NIH score&#44; the Bhalla score&#44; forced expiratory volume in 1 second &#40;expressed as a percentage of predicted&#41;&#44; and somatomedin C and zinc levels&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Self-perceived quality of life is worse among adults with CF than in the general population or among patients with chronic obstructive pulmonary disease&#46; The SGRQ is a valid instrument for analyzing health-related quality of life in adults with CF as it discriminates very well between different degrees of severity of pulmonary impairment and has acceptable internal consistency&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">Estudiar la percepci&#243;n de la calidad de vida &#40;CV&#41; en una poblaci&#243;n adulta con fibrosis qu&#237;stica &#40;FQ&#41; y valorar la validez del Cuestionario Respiratorio St&#46; George &#40;SGRQ&#41; en estos pacientes&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Hemos estudiado a 37 personas adultas con FQ&#44; estables desde el punto de vista respiratorio y nutricional&#46; Se realiz&#243; una valoraci&#243;n de la gravedad de la enfermedad mediante espirometr&#237;a y los sistemas NIH &#40;National Institutes of Health&#41; modificado y Bhalla&#44; as&#237; como una valoraci&#243;n nutricional mediante la medici&#243;n del peso&#44; la talla&#44; el &#237;ndice de masa corporal&#44; impedanciometr&#237;a bioel&#233;ctrica y par&#225;metros anal&#237;ticos&#46; Se estim&#243; la percepci&#243;n de la CV mediante el SGRQ&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">Las personas con FQ tienen mayores puntuaciones &#40;peor CV&#41; que la poblaci&#243;n general y que los afectados de enfermedad pulmonar obstructiva cr&#243;nica &#40;EPOC&#41;&#46; El coeficiente alfa de Cronbach de la puntuaci&#243;n total fue de 0&#44;864&#46; Las mujeres con FQ presentan puntuaciones m&#225;s altas que los varones&#44; aunque sin alcanzar la significaci&#243;n estad&#237;stica&#46; Se observa una gradaci&#243;n de las puntuaciones &#40;de forma estad&#237;sticamente significativa&#41; en funci&#243;n de la grave-dad de la afectaci&#243;n pulmonar &#40;a mayor gravedad&#44; peor CV&#41;&#46; Se han encontrado relaciones positivas&#44; estad&#237;sticamente significativas&#44; entre las dimensiones del SGRQ y la edad&#44; el &#237;ndice de masa corporal y el porcentaje de masa grasa&#44; y negativas con el NIH modificado&#44; el Bhalla&#44; el volumen espiratorio forzado en el primer segundo &#40;expresado en porcentaje&#41; y las concentraciones de cinc y somatomedina C&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Los adultos con FQ tienen peor percepci&#243;n de la CV que la poblaci&#243;n general y que los afectados de EPOC&#46; El SGRQ es v&#225;lido para analizar la CV relacionada con la salud de las personas adultas con FQ&#44; ya que discrimina muy bien entre los distintos grados de gravedad de la funci&#243;n pulmonar y presenta una adecuada consistencia interna&#46;</p>"
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Vol. 43. Issue 4.
Pages 205-211 (April 2007)
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Vol. 43. Issue 4.
Pages 205-211 (April 2007)
Original Articles
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Validity and Reliability of the St George's Respiratory Questionnaire in Adults With Cystic Fibrosis
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Alicia Padillaa,
Corresponding author
apadillag@mixmail.com

Correspondence: Dra. A. Padilla. Urbanización Carlinda, bloque 6, 2.º A. 29010 Málaga, España
, Gabriel Olveirab, Casilda Olveiraa, Antonio Doradoa, Antonio J. Platac, Inmaculada Gaspara, Javier Pérez-Fríasd
a Unidad de Fibrosis Quística, Servicio de Neumología, Hospital Regional Universitario Carlos Haya, Málaga, Spain
b Unidad de Fibrosis Quística, Servicio de Endocrinología y Nutrición, Hospital Regional Universitario Carlos Haya, Málaga, Spain
c Servicio de Medicina Interna, Hospital Regional Universitario Carlos Haya, Málaga, Spain
d Unidad de Fibrosis Quística Servicio de Pediatría-Neumología Infantil, Hospital Regional Universitario Carlos Haya, Málaga, Spain
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Objective

To study self-perceived quality of life in adults with cystic fibrosis (CF), and to assess the validity of the St George's Respiratory Questionnaire (SGRQ) for use in these patients.

Patients and methods

We studied 37 adults with CF who were in stable condition as indicated by their respiratory and nutritional status. Disease severity was assessed by spirometry used in conjunction with a modified National Institutes of Health (NIH) scoring system and the Bhalla scale. Nutritional status was evaluated by measuring height and weight, calculating body mass index, analyzing bioelectric impedance, and performing various laboratory tests. The patients' quality of life was assessed using the SGRQ.

Results

SGRQ scores were higher (indicating poorer quality of life) among patients with CF than in the general population or among patients with chronic obstructive pulmonary disease. Internal consistency coefficients indicated the SGRQ had good reliability (Cronbach's alpha, 0.864). Women with CF tended to score higher than men, although this difference was not statistically significantly. A statistically significant relationship was observed between SGRQ score and severity of pulmonary impairment (the more severe the impairment, the worse the patient's quality of life). Statistically significant positive relationships were found between SGRQ domains and age, body mass index, and body fat percentage. Significant negative relationships were found between these domains and the modified NIH score, the Bhalla score, forced expiratory volume in 1 second (expressed as a percentage of predicted), and somatomedin C and zinc levels.

Conclusions

Self-perceived quality of life is worse among adults with CF than in the general population or among patients with chronic obstructive pulmonary disease. The SGRQ is a valid instrument for analyzing health-related quality of life in adults with CF as it discriminates very well between different degrees of severity of pulmonary impairment and has acceptable internal consistency.

Key words:
Cystic fibrosis
Quality of life
St George's Respiratory Questionnaire
Objetivo

Estudiar la percepción de la calidad de vida (CV) en una población adulta con fibrosis quística (FQ) y valorar la validez del Cuestionario Respiratorio St. George (SGRQ) en estos pacientes.

Pacientes y métodos

Hemos estudiado a 37 personas adultas con FQ, estables desde el punto de vista respiratorio y nutricional. Se realizó una valoración de la gravedad de la enfermedad mediante espirometría y los sistemas NIH (National Institutes of Health) modificado y Bhalla, así como una valoración nutricional mediante la medición del peso, la talla, el índice de masa corporal, impedanciometría bioeléctrica y parámetros analíticos. Se estimó la percepción de la CV mediante el SGRQ.

Resultados

Las personas con FQ tienen mayores puntuaciones (peor CV) que la población general y que los afectados de enfermedad pulmonar obstructiva crónica (EPOC). El coeficiente alfa de Cronbach de la puntuación total fue de 0,864. Las mujeres con FQ presentan puntuaciones más altas que los varones, aunque sin alcanzar la significación estadística. Se observa una gradación de las puntuaciones (de forma estadísticamente significativa) en función de la grave-dad de la afectación pulmonar (a mayor gravedad, peor CV). Se han encontrado relaciones positivas, estadísticamente significativas, entre las dimensiones del SGRQ y la edad, el índice de masa corporal y el porcentaje de masa grasa, y negativas con el NIH modificado, el Bhalla, el volumen espiratorio forzado en el primer segundo (expresado en porcentaje) y las concentraciones de cinc y somatomedina C.

Conclusiones

Los adultos con FQ tienen peor percepción de la CV que la población general y que los afectados de EPOC. El SGRQ es válido para analizar la CV relacionada con la salud de las personas adultas con FQ, ya que discrimina muy bien entre los distintos grados de gravedad de la función pulmonar y presenta una adecuada consistencia interna.

Palabras clave:
Fibrosis quística
Calidad de vida
Cuestionario St George (SGRQ)
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This study was partially financed with a grant from the health department of the autonomous community of Andalusia (Consejería de la Salud de la Junta de Andalucía 02/150) and by the Spanish Ministry of Health and Consumer Affairs (Ministerio de Sanidad y Consumo, Instituto de Salud Carlos III, Red R006/0015/0008).

Copyright © 2007. Sociedad Española de Neumología y Cirugía Torácica (SEPAR)
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