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Observational study of patients in Spain with amyotrophic lateral sclerosis: correlations between clinical status, quality of life, and dignity

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Background: Amyotrophic lateral sclerosis (ALS) is an incurable neurodegenerative disease that dramatically affects patients' quality of life (QoL) and dignity of life (DoL). We aimed to study the impact of ALS on QoL and DoL and how these evolve throughout the duration of the disease. Methods: First, we performed an observational, descriptive study of 43 patients with ALS recruited from the ALS unit at our center and compared them with 20 healthy age- and sex-matched controls. Second, we performed a prospective cohort study, following up 23 patients with ALS over 3 months. All participants completed questionnaires about their functional status, QoL, and DoL. Results: QoL and DoL were significantly worse in the ALS group than in controls (both p < 0.001). During the three-month follow-up in the ALS cohort, statistically significant declines were observed in clinical status and QoL. For clinical status, median scores on the ALS Functional Rating scale changed from 30.95 points at baseline to 27.24 points after 3 months (p = 0.0003). For QoL, median scores on the ALS Assessment Questionnaire changed from 124.19 points at baseline to 131.81 at 3 months (p = 0.0062). However, no significant differences were found between the DoL scores at baseline (48. 14 points) and 3 months (45 points) (p-value = 0.12). Conclusions: ALS is a neurodegenerative disease that affects QoL and DoL alike. We found that clinical status and QoL both deteriorated in patients with ALS as the disease progressed, but that DoL was preserved. However, our findings are limited by small sample sizes. The preservation of DoL may be due to multiple factors, including the therapies provided by the ALS unit. These findings suggest that alongside QoL, DoL may be an important target in the management and care of ALS patients.

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BMC Palliative Care, 2017, vol. 16, num. 75

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Articles publicats en revistes (Ciències Clíniques)

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Observational study of patients in Spain with amyotrophic lateral sclerosis: correlations between clinical status, quality of life, and dignity