Increased Survival in Contemporary Parkinson’s Disease: A 47-Year Autopsy Study
Notice bibliographique
Résumé
INTRODUCTION: Parkinson's disease (PD) is the second most common neurodegenerative disorder. The main clinical features are bradykinesia, rigidity, and resting tremor. Other neurodegenerative disorders such as progressive supranuclear palsy and multiple system atrophy share some of these clinical manifestations. All those disorders are collectively known as parkinsonism or Parkinson syndrome (PS). Definite diagnosis of PD requires brain autopsy. There is no known cure for PD. Since its discovery in the 1960s, levodopa (LD) has remained the best and most widely used medication in PD. The impact of that is important to understanding the neuroepidemiology of PD. The incidence of PD rises with advancing age. In the last six decades, life expectancy in the general population has increased resulting in a larger pool of at-risk persons. Onset age of PD is the most reliable indicator of PD survival as older onset cases have shorter survival. We report on survival in autopsy-confirmed PD cases with onset age <70 years treated with LD and compare that with similar onset-age cases of PD before the discovery of LD. MATERIAL AND METHODS: The Saskatchewan Movement Disorders Program (SMDP) has operated uninterrupted since 1968. Long follow-up and autopsy studies are a special interest of the SMDP. All PS cases followed by the SMPD during 47 years (1968-2015) that came to autopsy were considered. Those with autopsy-confirmed PD and onset <70 years were included and were compared with pre-LD cases of similar age of onset. RESULTS: Overall, 392 PS cases were seen in our clinic between 1968 and 2015 and had brain pathology studies. A total of 314 (80%) of those had PD. Overall, 128 (41%) of the PD cases had onset <70 years and were included in this study. Their median survival was 18 years. CONCLUSION: Prior to widespread use of LD, nearly all PD cases had onset <70 years and mean survival was 9.4 years. Longer survival in our study is attributed primarily to modern treatment. Increased survival has resulted in a larger number of older, chronically treated, higher comorbidity, and complicated PD patients. These changes present new challenges. It requires a larger and increasingly diverse workforce for patient care and research.
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Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».