Toru Oga1, Hiroyuki Taniguchi2, Hideo Kita3, Tomomasa Tsuboi4, Keisuke Tomii5, Morihide Ando6, Eiji Kojima7, Hiromi Tomioka8, Yoshio Taguchi9, Yusuke Kaji10, Ryoji Maekura11, Toru Hiraga12, Naoki Sakai13, Tomoki Kimura14, Michiaki Mishima15, Wolfram Windisch16, Kazuo Chin17. 1. Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan. Electronic address: ogato@kuhp.kyoto-u.ac.jp. 2. Department of Respiratory Medicine and Allergy, Tosei General Hospital, Aichi, Japan. Electronic address: taniguchi@tosei.or.jp. 3. Department of Respiratory Medicine, Takatsuki Red Cross Hospital, Osaka, Japan. Electronic address: hideok@takatsuki.jrc.or.jp. 4. Department of Respiratory Medicine, National Hospital Organization Minami-Kyoto Hospital, Kyoto, Japan. Electronic address: tsuboit@skyoto.hosp.go.jp. 5. Department of Respiratory Medicine, Kobe City Medical Center General Hospital, Hyogo, Japan. Electronic address: ktomii@kcho.jp. 6. Department of Pulmonary Medicine, Ogaki Municipal Hospital, Gifu, Japan. Electronic address: morihide_ando@mac.com. 7. Department of Respiratory Medicine, Komaki City Hospital, Aichi, Japan. Electronic address: e-kojima@komakihp.gr.jp. 8. Department of Respiratory Medicine, Kobe City Medical Center West Hospital, Hyogo, Japan. Electronic address: htomy@kobe-nishishimin-hospi.jp. 9. Department of Respiratory Medicine, Tenri Hospital, Nara, Japan. Electronic address: ytaguchi@tenriyorozu.jp. 10. Department of Respiratory Medicine, Tenri Hospital, Nara, Japan. Electronic address: yusuke-k@tenriyorozu.jp. 11. Department of Respiratory Medicine, National Hospital Organization Toneyama Hospital, Osaka, Japan. Electronic address: rmaekura@toneyama.go.jp. 12. Department of Respiratory Medicine, National Hospital Organization Toneyama Hospital, Osaka, Japan. Electronic address: hiragat@hiraga-clinic.com. 13. Department of Respiratory Medicine, Otsu Red Cross Hospital, Shiga, Japan. Electronic address: nsakai@otsu.jrc.or.jp. 14. Department of Respiratory Medicine and Allergy, Tosei General Hospital, Aichi, Japan. Electronic address: lung@tosei.or.jp. 15. Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan. Electronic address: mishima@kuhp.kyoto-u.ac.jp. 16. Department of Pneumology, Cologne Merheim Hospital, Kliniken der Stadt Köln gGmbH, Witten/Herdecke University, Faculty of Health/School of Medicine, Cologne, Germany. Electronic address: WindischW@kliniken-koeln.de. 17. Department of Respiratory Care and Sleep Control Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan. Electronic address: chink@kuhp.kyoto-u.ac.jp.
Abstract
BACKGROUND: The Severe Respiratory Insufficiency (SRI) Questionnaire was originally developed in German to assess health-related quality of life (HRQL) and was validated as a multidimensional instrument with high psychometric properties in chronic hypercapnic respiratory failure (CHRF) patients receiving noninvasive ventilation (NIV). We aimed to investigate the intercultural adaptation of the Japanese SRI Questionnaire and whether it is a reliable and valid HRQL questionnaire to administer to those patients. METHODS: The SRI Questionnaire was adapted to Japanese using a translation and back-translation procedure, followed by equivalency assessment. It was validated in 56 stable outpatients receiving NIV for CHRF, primarily due to chronic obstructive pulmonary disease (COPD) and/or pulmonary tuberculosis sequelae. RESULTS: Examination of the frequency distribution of the Japanese SRI Questionnaire showed that the subscales and summary were approximately normally distributed and well balanced. There were no significant differences in SRI scores between patients with COPD and pulmonary tuberculosis sequelae. Cronbach׳s α values representing internal consistency of seven SRI subscales ranged from 0.56 to 0.80; attendant symptoms and sleep had the lowest values. Cronbach׳s α value was 0.92 for the SRI summary. The SRI summary score was significantly related to all eight subscales of the Medical Outcomes Study 36-item short form, with correlation coefficients of 0.41-0.66. CONCLUSIONS: The Japanese SRI Questionnaire was produced using a standardized procedure and an equivalency study. It has high psychometric properties with internal consistency and concurrent validity. The Japanese SRI Questionnaire can be used to assess HRQL in patients on NIV for CHRF.
BACKGROUND: The Severe Respiratory Insufficiency (SRI) Questionnaire was originally developed in German to assess health-related quality of life (HRQL) and was validated as a multidimensional instrument with high psychometric properties in chronic hypercapnic respiratory failure (CHRF) patients receiving noninvasive ventilation (NIV). We aimed to investigate the intercultural adaptation of the Japanese SRI Questionnaire and whether it is a reliable and valid HRQL questionnaire to administer to those patients. METHODS: The SRI Questionnaire was adapted to Japanese using a translation and back-translation procedure, followed by equivalency assessment. It was validated in 56 stable outpatients receiving NIV for CHRF, primarily due to chronic obstructive pulmonary disease (COPD) and/or pulmonary tuberculosis sequelae. RESULTS: Examination of the frequency distribution of the Japanese SRI Questionnaire showed that the subscales and summary were approximately normally distributed and well balanced. There were no significant differences in SRI scores between patients with COPD and pulmonary tuberculosis sequelae. Cronbach׳s α values representing internal consistency of seven SRI subscales ranged from 0.56 to 0.80; attendant symptoms and sleep had the lowest values. Cronbach׳s α value was 0.92 for the SRI summary. The SRI summary score was significantly related to all eight subscales of the Medical Outcomes Study 36-item short form, with correlation coefficients of 0.41-0.66. CONCLUSIONS: The Japanese SRI Questionnaire was produced using a standardized procedure and an equivalency study. It has high psychometric properties with internal consistency and concurrent validity. The Japanese SRI Questionnaire can be used to assess HRQL in patients on NIV for CHRF.
Authors: Rania N Bzeih; Marwan F Alawieh; Mohamad F El-Khatib; Abla M Sibai; Lilian A Ghandour; Salah M Zeineldine Journal: BMC Pulm Med Date: 2021-10-11 Impact factor: 3.317