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Biomedical subjects

Marco Trabucchi

Publications and source records attributed to Marco Trabucchi.

At least 19 recordsLinked to original sources
PubMed2007

Efficacy of cognitive rehabilitation in patients with mild cognitive impairment treated with cholinesterase inhibitors.

BACKGROUND: Individuals who have Mild Cognitive Impairment (MCI) may be in a transitional stage between aging and Alzheimer's disease (AD). The high rate of conversion from MCI to AD makes early treatment an important clinical issue. Recent evidence suggests that cognitive training intervention may reduce the rate of progression to AD. OBJECTIVES: To evaluate the efficacy of a NeuroPsychological Training (TNP) in patients with MCI who are treated with cholinesterase inhibitors (ChEIs), compared with patients MCI treated only with ChEIs and patients not treated, in a longitudinal, one year follow-up study. METHODS: One year longitudinal and retrospective comparison study of neuropsychological performances in 59 subjects affected by Mild Cognitive Impairment (MCI) according to Petersen's criteria. Fifteen subjects were randomised to receive TNP plus cholinesterase inhibitors; 22 subjects cholinesterase inhibitors alone and 22 subjects no treatment. All the subjects referring memory complaints, corroborated by an informant, underwent a multidimensional assessment concerning neuropsychological, behavioural and functional characteristics, at baseline and after one year follow-up. RESULTS: Subjects without treatment maintained their cognitive, functional and behavioural status after one year; patients treated only with ChEIs improved in depressive symptoms whereas subjects treated with TNP and ChEIs showed significant improvements in different cognitive areas, such as memory, abstract reasoning and in behavioural disturbances, particularly depressive symptoms. CONCLUSIONS: A long-term TNP in ChEIs-treated MCI subjects induces additional cognitive and mood benefits.

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PubMed2006

Subcortical vascular lesions and functional recovery in older patients with gait disorders.

This study aimed to assess whether subcortical vascular lesions (SVLs) predict functional recovery after rehabilitation in elderly patients with gait disorders (GD) due to multiple etiology (GD-ME). All patients consecutively admitted with GD-ME (n=103) in our Rehabilitation and Aged Care Unit (RACU) underwent a standardized rehabilitative program. The outcome measure was the Barthel Index (BI) Relative Functional Gain (RFG), a measure of improvement adjusting for baseline functional level. Potential predictors included cognition, depression, functional and nutritional status, physical health, occurrence of adverse clinical events during hospital stay, and SVLs, assessed with a validated visual rating scale based on brain CT scans. Predictors were divided into quartiles and the association with RFG was assessed. In a multivariate linear regression model, SVLs maintained its predictive power on RFG after adjustment for age, gender, and adverse clinical events, which was the only variable associated to RFG in the bivariate model (adjusted p=0.002 for trend). The study shows that SVLs is a predictor of functional recovery in elderly patients with GD-ME.

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PubMed2006

Predictive role of single diseases and their combination on recovery of balance and gait in disabled elderly patients.

OBJECTIVES: In the elderly population, chronic diseases are common determinants of mobility limitations and comorbidity consistently shows a strong association with functional status. This study was designed to evaluate the role of single chronic diseases and of their combination on functional recovery after rehabilitative treatment in disabled elderly patients. DESIGN: With respect to the difference in magnitude of their disabling effect, diseases were classified into 2 groups: "more disabling" diseases (COPD, heart failure, peripheral artery diseases, diabetes, and not life-threatening cancer) and "less disabling" diseases (anemia, kidney, gastrointestinal, and liver diseases). SETTING: 35-bed Geriatric Evaluation and Rehabilitation Unit. PARTICIPANTS: We studied 710 patients (age 77.8 +/- 7.4 years, 76.2% females), consecutively admitted for stroke, Parkinson's disease, and osteoarthritis. MEASUREMENTS: A multidimensional evaluation for mobility (Tinetti-score), cognitive status (MMSE), and somatic health (Greenfield's Individual Disease Severity Index-IDS, Burden of diseases-BoD) was performed. Functional recovery was decided based on the Delta-Tinetti, which is the difference of the values between admission and discharge. RESULTS: We tested, in a multivariate regression model, the predictive role of single chronic conditions and of their combinations on functional recovery, after having adjusted for which diseases are direct causes of disability (stroke, Parkinson's disease, and osteoarthritis) and other potential predictors (age, sex, cognitive function, depressive symptoms, albumin, and c-reactive protein). A negative prediction of functional recovery was expressed by the "more disabling" diseases group. The determinants of poor recovery were characterized by the combination of "more disabling diseases" rather than single condition effects, independently by age, cognitive, and functional status on admission. CONCLUSION: Our study adds a new perspective about the role of COPD, heart failure, peripheral artery diseases, diabetes and not life-threatening cancer on functional recovery, emphasizing their combined impact in elderly people.

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PubMed2006

Predictors of institutionalization in demented patients discharged from a rehabilitation unit.

BACKGROUND: The decision to place a patient with dementia in long-term care is complex and based on the patient's and the caregiver's characteristics, and on the sociocultural context. Most studies assessing predictors of nursing home placement focused primarily on the characteristics of either the patient, such as dementia severity and difficult behaviors, or the caregiver, such as subjective burden and health status. However, only a few studies comprehensively investigated how both a caregiver's and a patient's characteristics influence nursing home placement. OBJECTIVE: To identify the patient's and the caregiver's characteristics that influence discharge to a nursing home in demented patients consecutively admitted to an intermediate care setting. METHODS: Observational study of 214 patients with dementia consecutively admitted to a Rehabilitation Unit for Dementia in Northern Italy (length of stay 35.1 +/- 14.9 days). The main evaluated outcome was the final destination (home vs nursing home). RESULTS: In a multivariate logistic regression analysis, adjusted for age, gender, cognitive status, and behavioral disturbances, 4 predictors were associated with nursing home placement: living alone (OR 8.79, 95% CI 2.33-33.16; P = .001), degree of dementia severity (CDR, OR 1.69, 95% CI 1.02-2.83; P = .04), compromised functional status (Barthel index admission, OR 3.15, 95% CI 1.05-9.48; P = .04), and caregiver's burden (CBI, OR 2.89, 95% CI 1.15-7.29; P = .02). CONCLUSIONS: Data suggest that living alone, patient's functional impairment, severity of dementia, and caregiver's burden were independent predictors of institutionalization. The interaction between a patient's and a caregiver's characteristics has an important effect on the rate of nursing home placement in demented patients.

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PubMed2006

Outcomes of a computer-based cognitive rehabilitation program on Alzheimer's disease patients compared with those on patients affected by mild cognitive impairment.

The aim of the present study is to evaluate the outcomes of a computer-based cognitive training on patients affected by Alzheimer's disease (AD) compared with the outcomes on patients affected by mild cognitive impairment (MCI), multiple system atrophy (MSA). Ten AD patients aged 74.1+/-5.6 years, with mini-mental state examination (MMSE) score at baseline of 23.9+/-2.4, and 10 MCI patients aged 70.6+/-6.0 years, with MMSE score of 28.0+/-1.4, attending our day-hospital of neurorehabilitation were selected for the study. Three MSA patients aged 69.0+/-9.5 years, MMSE scores 26.7+/-2.3 were selected from the same setting in order to have a different control group. Each patient attended two training programs and was evaluated according to cognitive and non-cognitive functions at baseline at the end of the second training program. The AD group showed a significant MMSE score improvement (p=0.010). On the contrary, MMSE scores at baseline and at follow-up remained quite stable in the other two groups. AD patients also showed significant improvement in the areas of verbal production (p=0.036) and executive functions (p=0.050). MCI patients significantly improved in behavioral memory (p=0.017; p=0.011). No significant improvement was observed in MSA group. Our data seem to indicate that the same individualized rehabilitative intervention could have different effects according to patient's diagnosis. MCI and AD patients had significant improvements in global cognitive status and/or in specific cognitive areas. On the contrary, MSA patients did not benefit at all.

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PubMed2006

Angiotensin converting enzyme (ACE) inhibitors modulate the rate of progression of amnestic mild cognitive impairment.

BACKGROUND: Predictors of progression to dementia in individuals with mild cognitive impairment (MCI) define different groups with higher risks of progression. To date, efforts to differentiate those who will progress to dementia from those who will not have proved inconclusive, and while grades of risk have been identified, their generalizability is not clear. AIM: To examine the clinical and socio-demographical risk factors for progression of memory decline in a sample of subjects with referred memory complaints who met criteria for amnestic MCI. METHODS AND MATERIALS: Seventy-four subjects consecutively recruited who met the operational criteria for amnestic MCI. They underwent multidimensional assessment and a neuropsychological battery at baseline and at follow-up, after one year. Memory decline was defined using the short story mean score change (at follow-up and at baseline). Subjects showing memory decline, with or without conversion to AD over time, were classified as having progressive MCI; subjects that remained unchanged or improved during follow-up were considered as having stable MCI. RESULTS: Subjects with progressive MCI (n = 39, 53%) were older (p = <0.001) and more educated (p = 0.01) compared to stable MCI (n = 35, 47%) and their global cognitive performances, at baseline, were more compromised when assessed by ADAS-Cog (p = 0.05). Antihypertensive drug prescription was greater in the stable MCI compared to progressive MCI (p = 0.01) and significant higher levels of plasma total homocysteine were observed in progressive MCI (p = 0.03). When analyzed in a logistic regression model, the prescription of Angiotensin Converting Enzyme Inhibitors (ACE) was found to be independently associated to the stability of cognitive function, whereas older age, higher education, higher levels of plasma total homocysteine and total ADAS-Cog basal score were independently associated with the progression of cognitive decline. CONCLUSIONS: Older age, higher education, poor global cognitive performance, higher levels of plasma total homocysteine are independently associated with the progression of memory decline while the prescription of ACE Inhibitors is a protective factor for cognitive deterioration.

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PubMed2006

Subintensive care unit for the elderly: a new model of care for critically ill frail elderly medical patients.

OBJECTIVE: An increasing number of elderly patients are admitted to the hospital for critical diseases and the gap between supply and demand of intensive care resources is a growing problem. To meet this challenge, 4 beds in a 24-bed acute care for the elderly (ACE) medical unit were dedicated to a subintensive care unit (SICU). Severely ill elderly medical patients, requiring a higher level of care than provided in ordinary wards, are admitted. The aim of the study was to describe the characteristics of the setting and to discuss its usefulness based on data obtained after the first period of implementation. METHODS: This article describes the development, management, economics and patient characteristics of the SICU. Patient care combines the ACE model with a highly specialised medical care. Patients admitted to the SICU are compared with patients treated in the ordinary ACE unit before the SICU opened. All patients received a multidimensional evaluation, including demographics, main diagnosis, number of chronic somatic diseases, Charlson index, APACHE II score, APACHE-APS subscore, number of currently administered drugs, serum albumin, cognitive status (Mini-Mental State Examination), depression (Geriatric Depression Scale) and functional status (basic and instrumental activities of daily living). Ward physicians performed assessment and collection of data. RESULTS: During the first 16 months, 489 patients were admitted, 401 according to the selection criteria (60 +/- years and APACHE II score > or =5 and/or APACHE-APS score > or =3). Mean age was 78.1 years, mean APACHE II score 14.5 (moderate severity) and non-invasive mechanical ventilation was received by 87 (21.7%). The most common diagnoses were respiratory failure, cardiac disease and stroke. Mean length of stay in the SICU was 61.8 h, and 6.0 days in the hospital. Compared with ACE-unit patients admitted during 2002 (n=1380), SICU patients were obviously more seriously ill (APACHE II score 14.5 vs 6.7). When comparing patients of same illness severity (APACHE-APS score > or =3) (n=125), patients treated in the SICU had lower in-hospital mortality than those treated in the ordinary ACE ward (12.5 vs 19.2%). Only a few patients (3.5%) were transferred to the intensive care unit as a consequence of increased severity of illness. CONCLUSIONS: The SICU is an innovative method to treat frail elderly patients with more severe conditions. Low hospital mortality compared with that of severe patients in the ACE unit supports the usefulness of this model. It could be implemented in medical units of large hospitals in order to give optimal care and advanced interventions to the frail elderly and to avoid intensive care unit overcrowding.

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PubMed2006

Delirium in a sub-intensive care unit for the elderly: occurrence and risk factors.

BACKGROUND AND AIMS: The objective was to study occurrence and risk factors of delirium in a new model of care, the Sub-Intensive Care Unit for the elderly (SICU), which is a level of care between that offered by ordinary wards and intensive care. METHODS: A prospective observational study of 401 consecutively admitted patients, 60+ years, in a four-bed SICU in the geriatric ward of a general hospital. Delirium was detected by the Confusion Assessment Method (CAM) at admission (prevalent) and during SICU stay (incident). Impaired function (Barthel Index) and/or IADL two weeks prior to admission identified disability, and additional Mini-Mental State Examination (MMSE) <18 at discharge identified probable dementia. RESULTS: Delirium was detected in 117 patients (29.2%). Of these 62 (15.5%) had delirium at admission and a further 55 developed delirium during their time in the SICU. Delirium occurred in 19 (11.4%) of the "robust" (no dementia or disability), 28 (24.1%) of the disabled and 70 (58.4%) of the demented patients (p<0.001). Prevalent delirium was found in 8 (4.8%), 11 (9.5%) and 43 (36.1%) (p<0.001) and incident in 11 (6.6%), 17 (14.7%) and 27 (22.7%) (p<0.001) of the robust, disabled, and demented patients respectively. Heavy alcohol use, maximum intake of 7 or more drugs, and the use of a bladder catheter were independently associated with delirium. CONCLUSIONS: Delirium was common in the SICU, and patients with probable dementia had the highest risk. They tended to have delirium at admission, whereas patients without dementia, although less at risk, were more prone to developing delirium during their stay in the SICU.

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PubMed2006

Pharmacological treatment of Alzheimer's Disease.

BACKGROUND AND AIMS: The treatment of Alzheimer's disease (AD) is a challenge for physician, families, and patients. An individualized, multimodal treatment plan addressing the treatment of cognitive, behavioural and functional decline is essential. Aim of the paper is to describe the principal components of the treatment plan of AD patients. METHODS: A review of the recent literature was performed. RESULTS: Acetylcholinesterase inhibitors (AChEIs) play an important role in the improvement of cognitive decline in mild to moderate AD, even if the improvement is not permanent. Data obtained from the CRONOS project (involving about 500 Alzheimer Evaluation Units) replicate in the real world those obtained in controlled trials, confirming that AD patients may benefit from AChEI treatment. Treatment of behavioral and psychological symptoms of dementia (BPSD) requires education of caregivers, non pharmacological interventions, identification and treatment of medical illnesses or environmental precipitating conditions, specific pharmacological treatment. Traditional neuroleptics are widely used for BPSD treatment, but limited data support their use, and side-effects are frequent and severe. Atypical antipsychotics are effective in treating BPSD, and safer than traditional neuroleptics. However, the increased risk of cerebrovascular accident in patients taking risperidone or olanzapine limited currently their use in demented subjects. The use of antidepressant drugs, as well as behavioral approach, may improve depressive symptoms frequently accompanying AD. CONCLUSIONS: Although at present there is no cure for AD, several drug treatments and care strategies may improve or stabilize cognitive and behavioral symptoms, and improve the quality of life of patients and families.

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PubMed2005

Diagnosis of chronic pain caused by osteoarthritis and prescription of analgesics in patients with cognitive impairment.

OBJECTIVE: Evaluation of the ability to detect symptoms of osteoarthritis and prescription of analgesics in older adults with different degrees of cognitive impairment. SETTING AND PATIENTS: Patients consecutively admitted to a Geriatric Evaluation and Rehabilitation Unit (GERU) for disability due to orthopedic, neurological, or cardiopulmonary diseases, after a surgical intervention, or for behavioral disturbances of dementia. Subjects with a recent orthopedic intervention were excluded. Eight hundred eighty-eight patients were analyzed (mean age 78.4 +/- 7.2 years, 69.5% female) and divided into 4 groups according to cognitive impairment: severe (Mini-Mental State Examination, MMSE 0-12), moderate (MMSE 13-18), mild (MMSE 19-24), or absent (MMSE 25-30). METHODS: Patients underwent a geriatric multidimensional assessment; the diagnosis of musculoskeletal pain was based on patients' direct report, objective signs (inflammatory signs around the joints), and "pain behaviors" (reductions in activity, social withdrawal, self-protective maneuvers, increased alterations in facial expressions or body postures, observable displays of distress). Analgesic drugs were registered on discharge in subjects with symptomatic osteoarthritis. RESULTS: Of the patients admitted to GERU, 16.8% (n = 149) had osteoarthritis; this percentage is different according to cognitive impairment (MMSE 0-12: 1%, MMSE 13-18: 8%, MMSE 19-24: 17.4%, MMSE 24-30: 34.1%, P < .001). If patients admitted for osteoarthritis are excluded, the new diagnoses of pain due to osteoarthritis are 306 (41.4%), without differences between cognitive status groups. On discharge, analgesic drugs are prescribed to 28.8% of patients with symptomatic arthritis (n = 131); the percentage is lower in patients with severe cognitive impairment in comparison with subjects with better cognitive functions. CONCLUSION: There is a poor attention to chronic pain due to osteoarthritis in community-dwelling elders with cognitive impairment. In a rehabilitative setting, an accurate evaluation of objective signs allows the diagnosis of symptomatic osteoarthritis. However, the link between the diagnosis and the treatment is not direct, since the prescription of analgesics is lower in patients with a more severe cognitive impairment.

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PubMed2005

Effects of cholinesterase inhibitors appear greater in patients on established antihypertensive therapy.

INTRODUCTION: There is increasing evidence that hypertension may contribute to development of dementia. Studies show that blood pressure lowering therapy might protect against cognitive deterioration and that antihypertensive treatment reduce the incidence of dementia. AIM: We hypothesize that administration of cholinesterase inhibitors (AChEis) to patients with Alzheimer's Disease (AD) receiving antihypertensive medications therapy would result in clinical benefits for a period of 40 weeks in routine clinical practice. METHODS AND MATERIALS: Patients with possible or probable AD were enrolled from 16 Alzheimer evaluation units (UVA) of Brescia and Cremona (Northern Italy). Patients treated with donepezil, rivastigmine and galantamine for 40 weeks independently of dosages were selected. Patients were evaluated at baseline (T0), 4 weeks (T1), 16 weeks (T2) and 40 weeks (T3). RESULTS: 416 patients completed the study at 40 weeks; of these 255 were 'non users' while 161 utilized antihypertensive drugs ('users'). The mean change in MMSE score from baseline to week 40 demonstrate that antihypertensive-treated patients improved by 0.7 points while patients receiving only AChEis remain stables. Analyzing separately patients (n = 183) that ameliorate (responders) on cognition at T3 ( >/= 1 point MMSE score increase) a significant differences in favor of 'users' antihypertensive drugs over 'non users' on cognition at weeks 16 and 40 has been demonstrated. In particular, at T2 the mean change of MMSE from baseline in 'users' was 3.2 +/- 2.6 vs 'non users' 2.2 +/- 2.3 ( p = 0.016) and at T3 was 3.5 +/- 2.5 vs 'non users' 2.0.2.7+/-1.6 ( p = 0.018). Antihypertensive drugs were independently associated with cognitive improvement in responder patients treated with AChEis (95% CI: 0.41-1.79; p = 0.002). CONCLUSION: Antihypertensive medications in AD patients treated with AChEis are associated with an independent improvement on cognition after 40 weeks of treatment.

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PubMed2005

Results of a multi-level therapeutic approach for Alzheimer's disease subjects in the "real world" (CRONOS project): a 36-week follow-up study.

BACKGROUND AND AIMS: Recently, the Italian Ministry of Health started a national project (CRONOS project), aiming at assessing how a multi-level therapeutic approach--including 2-year free-of-charge treatment with cholinesterase inhibitors (ChE-I), pharmacologic and non-pharmacologic management of behavioral disorders, periodic multi-dimensional assessment, and informal caregivers' counseling-performs in subjects with mild-to-moderate Alzheimer's disease (AD). Five hundred and three Alzheimer Evaluation Units (AEUs) were instituted for this purpose all over Italy. In this paper we present the results of this approach in a large population of AD subjects followed for 36 weeks by 14 AEUs in Eastern Lombardy, Italy. METHODS: The project lasted for two years (September 2000-September 2002). Subjects eligible for the CRONOS project had a diagnosis of probable AD, a Mini Mental State Examination (MMSE) score at baseline ranging from 10 to 26, and onset of cognitive disorders between 40 and 90 years of age. Periodic clinical and multi-dimensional assessments, including MMSE, Activities of Daily Living (ADL) and Instrumental Activities of Daily Living (IADL) were made at 12 and 36 weeks; ChE-I doses, psychotropic and antidepressant drugs were also re-assessed at all clinical examinations. Caregivers were instructed about dementia and drug-related problems. RESULTS: Of the 808 subjects who completed the 36-week follow-up, 441 were naïves (i.e., never previously treated with ChE-I drugs) and 367 non-naïves. At 12 weeks, both naïves (mean variation from baseline = 0.8 points) and non-naïves (mean variation from baseline = 0.5 points) improved their MMSE scores, while at 36 weeks only naïves improved (mean variation from baseline = 0.1) and non-naïves decreased (mean variation from baseline = -1.2). The IADL and ADL scores progressively and mildly declined from baseline to the 36th week (ADL, mean variation from baseline = -0.5 for naïves, -0.3 for non-naïves; IADL = -0.7 for naïves, mean variation from baseline = -0.4). However, when the MMSE, ADL and IADL variations were controlled for age, sex and education, no significant time effect was found (MMSE, Wilks' lambda p = 0.34; ADL, Wilks' lambda p = 0.25; IADL, Wilks' lambda p = 0.3, respectively). These patterns were apparently unrelated to ChE-I doses. Neuroleptic use doubled in naïves and antidepressants increased in both groups. CONCLUSIONS: This multi-level therapeutic approach seems to slow down progression in cognitive and functional performance, in both naïve and non-naïve subjects. The possibility of recurrent examinations by specialized physicians, accurate, lose management of psychotropic drugs, and informal counseling to caregivers probably aid in achieving such results in a "real world" population of AD elderly subjects living at home. Future studies are needed to assess whether a multi-level therapeutic approach including higher ChE-I dose may perform better in these subjects.

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