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Assessing Symptom Burden and Health-Related Quality of Life in patients living with arrhythmia and ASTA : Arrhythmia-Specific questionnaire in Tachycardia and ArrhythmiaWalfridsson, Ulla January 2011 (has links)
Background: Health-Related Quality of Life (HRQOL) can be negatively affected in patients living with arrhythmias and many patients experience a pronounced symptom burden. The arrhythmia can cause both uncertainty and limitations, including interference with work, reluctance to perform and plan for leisure activities and leading to self-imposed restrictions in daily life situations. There are patients striving to find strategies to manage the arrhythmia and for some this can become the focus in their lives. Treatment options are often a choice between pharmaceuticals and radiofrequency ablation (RFA) where RFA is an option for many arrhythmia-patients to be cured. In the care of arrhythmia-patients it is of great importance to combine objective examinations with patient-reported outcomes (PROs) to achieve patient’s own experiences of treatment efficacy and arrhythmias interference in daily life situations. Aims: The overall aims of this thesis were to assess symptom burden and HRQOL in patients with arrhythmias and to develop and validate an arrhythmia-specific questionnaire, suitable for most arrhythmia-patients. Design and Methods: Studies I and II were single-centre studies including patients referred for RFA, with two different arrhythmia diagnoses. Assessments of patient-reported outcomes (PROs) concerning HRQOL were performed using two questionnaires, SF-36 and EQ-5D (I-II). Further, patients were asked some disease-specific questions (I). Study I describes assessments before the RFA treatment and Study II the follow-up assessments at three and twelve months after RFA. Patients’ scoring of HRQOL was compared to age and gender matched reference groups before and after RFA (I-II). Studies III and IV describe the development and validation of a disease-specific questionnaire ASTA (Arrhythmia-Specific questionnaire in Tachycardia and Arrhythmia) assessing symptom burden and HRQOL. Studies III and IV were multicentre studies. Patients planned for DC-conversion, AF patients seeking emergency care and those with different forms of arrhythmias referred for RFA were included. Results: Patients scored significantly lower HRQOL in seven of SF-36’s eight scales compared to the age and gender matched reference groups before RFA treatment. Frequent arrhythmia attacks had a great negative impact on HRQOL, and female gender and older age were factors contributing to worse HRQOL (I). Treatment with RFA restored the patients’ HRQOL. Most positive effects were seen at three months follow-up. One year after treatment patients and the matched reference group scored their HRQOL to a similar level, assessed with SF-36 and EQ-5D index (II). The validated ASTA questionnaire was found to have good psychometric properties. Construct validity was confirmed with sufficient levels of item-total correlations in the ASTA symptom burden scale and HRQOL scales. The dimensionality of the ASTA HRQOL scale was established with confirmatory factor analysis, supporting a physical and a mental subscale. The internal consistency, demonstrated with Cronbach’s alpha (α), was satisfactory for the ASTA symptom burden scale and the ASTA HRQOL scales, varying from α 0.79 to α 0.91 (III-IV). Conclusions and clinical implications: The studies in this thesis confirmed how negatively affected the arrhythmia-patients can be with a pronounced symptom burden and impaired HRQOL. Treatment with RFA was demonstrated to restore the patients HRQOL to an equal level of that of the matched reference group. PROs are important to take into consideration in the care of arrhythmia-patients, to achieve the patients’ subjective experiences of their daily life situation. To the best of our knowledge ASTA is the first arrhythmia-specific questionnaire assessing symptom burden and HRQOL, suitable for most arrhythmia forms. The newly validated ASTA questionnaire can be an important contribution to assessment of PROs in arrhythmia-patients.
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Le retransqol : une échelle de mesure de la qualité de vie spécifique aux patients porteurs d'un greffon rénal fonctionnel. : Développement, adaptation et application / The ReTransQol : a specific questionnaire to assess the health-related quality of life of renal transplant recipient : Development, adaptation and application.Beauger, Davy 08 December 2014 (has links)
La prise en compte de la notion de la qualité de vie (QDV) du patient est révélatrice d'un changement profond dans la pratique médicale, notamment en néphrologie, pour les patients atteints d'insuffisance rénale chronique terminale (IRCT). Compte tenu de la prévalence, de l'incidence et de la mortalité de cette maladie en France, il paraissait important de pouvoir mesurer de façon pertinente et cohérente la QDV des patients atteints d'IRCT. La QDV liée à la santé constitue un indicateur pour apprécier les conséquences de cette maladie. En 2007, après une étude de revue de la littérature concernant les outils de mesure de la QDV des IRCT, il a été mis en évidence un manque de questionnaires spécifiques validés en langue française. Il existait donc un besoin réel d'évaluer la QDV de ces patients, et plus particulièrement celle des patients porteurs d'un greffon rénal fonctionnel.En 2008, une échelle spécifique a donc été développée et validée pour mesurer la QDV des patients greffés rénaux : le ReTransQol (ou RTQ). Après 5 années d'utilisation du RTQ dans diverses études nationales, cet outil a été amélioré et une nouvelle version a vu le jour: le RTQ V2. Après de nombreuses analyses, cette échelle présente actuellement de bonnes propriétés psychométriques et est validée auprès de diverses populations d'études. Le RTQ V2 sera d'ailleurs utilisé dans des études internationales (Brésil, Allemagne, Canada...), et une validation transculturelle est prévue. Le RTQ V2 est donc un outil de mesure spécifique de la QDV adapté pour une utilisation en routine auprès des patients porteurs d'un greffon rénal fonctionnel. / The inclusion of the concept of quality of life (QOL) is indicative of a profound change in the way of practicing medicine, particularly in the field of nephrology for patients with end stage renal disease (ESRD). Given the prevalence, incidence and mortality of this disease in France, it seemed important, even essential, to measure properly, appropriately and consistently, the QOL of patients with ESRD. Health related quality of life (HRQOL) is therefore an important indicator of results to evaluate the consequences of this disease, the effect of medical procedures, treatment effects, or the impact of health policies.In 2007, after a study of literature concerning the assessment of QOL's scales of patients with ESRD, it was revealed a certain lack, quantitative or qualitative, of specific questionnaires for measuring QOL for ESRD patients validated in French, especially for patients with a functioning kidney transplant.In 2008, a specific scale has been developed and validated to measure the QOL of renal transplant recipients: the ReTransQol (Renal Transplant Quality of life questionnaire). After 5 years of use and application of ReTransQol in different national studies, this tool has been improved and a new version was created: the ReTransQol V2 (or RTQ V2). After lots of analysis, this scale has currently good psychometric properties and has been validated in various populations. The RTQ V2 is also used in international studies (Brazil, Germany, Canada ...), and a cross-cultural validation of the scale is planned.The ReTransQol V2 is a specific tool to assess the HRQOL and is suitable for a routine use among renal transplant recipients.
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