Francesca Bardesono1, Silvia Trombetta2, Laura Gullone2, Alessandra Bonardo2, Patrizia Gindri2, Carlotta Castiglioni1, Edoardo Milano2, Giuseppe Massazza3, Marco Di Monaco4. 1. Division of Physical and Rehabilitation Medicine, Osteoporosis Research Center, Fondazione Opera San Camillo, Presidio di Torino, strada Santa Margherita 136, 10131, Turin, Italy. 2. Neuropsychology Service, Fondazione Opera San Camillo, Presidio di Torino, Turin, Italy. 3. Division of Physical and Rehabilitation Medicine, Department of Surgical Sciences, University of Turin, Turin, Italy. 4. Division of Physical and Rehabilitation Medicine, Osteoporosis Research Center, Fondazione Opera San Camillo, Presidio di Torino, strada Santa Margherita 136, 10131, Turin, Italy. marco.dimonaco@camilliani.net.
Abstract
BACKGROUND: Cognitive impairment assessed by easy-to-administer tests successfully predicts function after hip fracture, whereas the prognostic role of additional cognitive evaluations is largely unknown. AIMS: To investigate the capability of further assessments to discriminate cognitive impairment with prognostic relevance in hip-fracture women defined cognitively intact or mildly impaired on the Short Portable Mental Status Questionnaire (SPMSQ). METHODS: We prospectively investigated women with subacute hip fracture admitted to our rehabilitation facility. The women who made ≤4 errors on the SPMSQ were further assessed by 4 tests: Montreal Cognitive Assessment, Rey Auditory Verbal Learning Test (immediate and delayed recall) and Frontal Assessment Battery. Activities of daily living (ADL) were measured by the Barthel index. Successful rehabilitation was defined with a Barthel index score ≥85. RESULTS: Data from 127 women were available. Each of the 4 cognitive tests assessed at admission significantly predicted the Barthel index scores measured at discharge. The predictive role persisted after multiple adjustments. For a change in cognitive scores corresponding to the difference between 25° and 75° percentiles in their distribution in the sample, the adjusted odds ratio to achieve successful rehabilitation roughly ranged from 2 to 4, depending on which cognitive test was adopted. DISCUSSION: The women with subacute hip fracture defined cognitively intact or mildly impaired on the SPMSQ could have cognitive impairment revealed by further examination, with prognostic disadvantages in ADL. CONCLUSIONS: Assessing cognition by the SPMSQ seems not enough to exclude the presence of cognitive impairment with relevant prognostic disadvantage in hip-fracture women.
BACKGROUND: Cognitive impairment assessed by easy-to-administer tests successfully predicts function after hip fracture, whereas the prognostic role of additional cognitive evaluations is largely unknown. AIMS: To investigate the capability of further assessments to discriminate cognitive impairment with prognostic relevance in hip-fracture women defined cognitively intact or mildly impaired on the Short Portable Mental Status Questionnaire (SPMSQ). METHODS: We prospectively investigated women with subacute hip fracture admitted to our rehabilitation facility. The women who made ≤4 errors on the SPMSQ were further assessed by 4 tests: Montreal Cognitive Assessment, Rey Auditory Verbal Learning Test (immediate and delayed recall) and Frontal Assessment Battery. Activities of daily living (ADL) were measured by the Barthel index. Successful rehabilitation was defined with a Barthel index score ≥85. RESULTS: Data from 127 women were available. Each of the 4 cognitive tests assessed at admission significantly predicted the Barthel index scores measured at discharge. The predictive role persisted after multiple adjustments. For a change in cognitive scores corresponding to the difference between 25° and 75° percentiles in their distribution in the sample, the adjusted odds ratio to achieve successful rehabilitation roughly ranged from 2 to 4, depending on which cognitive test was adopted. DISCUSSION: The women with subacute hip fracture defined cognitively intact or mildly impaired on the SPMSQ could have cognitive impairment revealed by further examination, with prognostic disadvantages in ADL. CONCLUSIONS: Assessing cognition by the SPMSQ seems not enough to exclude the presence of cognitive impairment with relevant prognostic disadvantage in hip-fracture women.
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