The GENEUS 1 study addresses this gap by characterizing the real-world profiles, outcomes, and care pathways of adults aged 65 years and older hospitalized in neurosurgery across France, Spain, and Portugal. This project represents the first multicentre, transnational initiative to integrate geriatric principles into neurosurgical practice and to evaluate both clinical and economic outcomes in this population.
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Patients aged 65 years or older admitted for neurosurgical intervention, for whom follow-up for 3 months is possible given their cognitive status and life expectancy, and who agrees to the retrieval of their hospital clinical and health economic data during the year following their discharge from the hospital
Cohort
Prospective
Not listed
The evolution of functional autonomy between baseline and 3 months post-discharge
The change is measured using validated geriatric scale Basic Activities of Daily Living Functional decline will be defined as any clinically significant decrease in ADL score compared with baseline. The change will be expressed both as a continuous variable (score variation) and as a categorical outcome (improved / stable / declined autonomy). This criterion captures the short-term functional trajectory of older adults after a neurosurgical hospitalization and serves as the main indicator of care effectiveness and adaptation to geriatric needs.
Length of hospital stay
Number of days from admission to discharge.
Postoperative complications
Complications classified according to the Clavien-Dindo scale
Daily living
scoring of the scale : instrumental activities of daily living (IADL) score 0 is the worst, score 8 is the best autonomy
Composite criteria of Cognitive status and delirium composed of 3 criteriaes
first criteria : score of the scale of Sclan and Reisberg - score is between 1 and 7 - 1 is the better and 7 the worst second criteria : score of the test for delirium \& cognitive impairment (4AT) - the score is beetwen 0 and 4 - 0 is the better and 4 the worst third criteria : Mini Mental State Examination
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