Impact of an early respiratory care programme with non-invasive ventilation adaptation in patients with amyotrophic lateral sclerosis

Eleonora Volpato, Anna Montini, M. Vitacca, A. Montini, C. Lunetta, P. Banfi, E. Bertella, E. De Mattia, A. Lizio, A. Lax, R. Morini, M. Paneroni

Risultato della ricerca: Contributo in rivistaArticolo in rivista

28 Citazioni (Scopus)

Abstract

Background and purpose: Forced vital capacity (FVC) <80% is one of the key indications for starting non-invasive ventilation (NIV) in amyotrophic lateral sclerosis (ALS). It was hypothesized that a very early start of NIV could lengthen the free interval before death compared to later-start NIV; as a secondary outcome, the survival rate of patients on NIV without tracheotomy was also evaluated. Methods: This retrospective study was conducted on 194 ALS patients, divided into a later group (LG) with FVC <80% at NIV prescription (n = 129) and a very early group (VEG) with FVC ≥80% at NIV prescription (n = 65). Clinical and respiratory functional data and time free to death between groups over a 3-year follow-up were compared. Result: At 36 months from diagnosis, mortality was 35% for the VEG versus 52.7% for the LG (P = 0.022). Kaplan−Meier survival curves adjusted for tracheotomy showed a lower probability of death (P = 0.001) for the VEG as a whole (P = 0.001) and for the non-bulbar (NB) subgroup (P = 0.007). Very early NIV was protective of survival for all patients [hazard ratio (HR) 0.45; 95% confidence interval (CI) 0.28–0.74; P = 0.001] and for the NB subgroup (HR 0.43; 95% CI 0.23–0.79; P = 0.007), whilst a tracheotomy was protective for all patients (HR 0.27; 95% CI 0.15–0.50; P = 0.000) and both NB (HR 0.26; 95% CI 0.12–0.56; P = 0.001) and bulbar subgroups (HR 0.29; 95% CI 0.11–0.77; P = 0.013). Survival in VEG patients on NIV without tracheotomy was three times that for the LG (43.1% vs. 14.7%). Conclusion: Very early NIV prescription prolongs the free time from diagnosis to death in NB ALS patients whilst tracheotomy reduces the mortality risk in all patients.
Lingua originaleEnglish
pagine (da-a)556-e33
RivistaEUROPEAN JOURNAL OF NEUROLOGY
Volume25
DOI
Stato di pubblicazionePubblicato - 2018

Keywords

  • Neurology
  • Neurology (clinical)
  • amyotrophic lateral sclerosis
  • chronic care
  • neuromuscular degenerative diseases
  • non-invasive ventilation

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