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1.
Diabetes Res Clin Pract ; 195: 110149, 2023 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-36427629

RESUMO

AIMS: This randomized control trial compared an adaptive computerized cognitive training intervention with a non-adaptive version. The primary hypothesis predicted better diabetes self-management in type 2 diabetes patients at 6 months post-intervention than baseline in the adaptive arm, with seven secondary outcomes. METHODS: Intent-to-treat analysis of veterans without dementia aged 55+ from the Bronx, NY and Ann Arbor, MI (N = 90/per arm) used linear mixed model analyses. RESULTS: Contrary to the hypothesis, only memory showed more improvement in the adaptive arm (p < 0.01). Post-hoc analyses combined the two arms; self-management improved at six-months post-intervention (p < 0.001). Memory, executive functions/attention, prospective memory, diastolic blood pressure, and systolic blood pressure improved (p < 0.05); hemoglobin A1c and medication adherence did not improve significantly. CONCLUSIONS: The adaptive computerized cognitive training was not substantially better than non-adaptive, but may improve memory. Post-hoc results for the combined arms suggest computer-related activities may improve diabetes self-management and other outcomes for middle-aged and older patients with type 2 diabetes. Practice effects or awareness of being studied cannot be ruled out.


Assuntos
Disfunção Cognitiva , Diabetes Mellitus Tipo 2 , Autogestão , Veteranos , Pessoa de Meia-Idade , Humanos , Idoso , Diabetes Mellitus Tipo 2/tratamento farmacológico , Cognição , Hemoglobinas Glicadas , Disfunção Cognitiva/psicologia
2.
J Alzheimers Dis ; 69(2): 401-411, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31006684

RESUMO

BACKGROUND: Type 2 diabetes mellitus (T2DM) is prevalent in the general United States population, and in the veteran population. T2DM has consistently been linked to increased risk for cognitive impairment, dementia, and Alzheimer's disease. Computerized cognitive training (CCT) is practical and inexpensive cognitive interventions that is an alternative to medication. OBJECTIVE: To report the recruitment methods and challenges to date in an ongoing two-site randomized controlled trial (RCT) of CCT on cognitive function and T2DM management in an older non-demented veteran population. METHODS: Veterans are recruited primarily by targeted mailings or by direct contact at clinics and presentations. RESULTS: From 1,459 original contacts, 437 expressed initial interest, 111 provided informed consent, and 97 completed baseline assessments. Participants from the two VA Medical Centers differed in demographics and baseline characteristics. Comparing recruitment methods, the proportion of individuals contacted who were ultimately consented was significantly less from mailings (5%) than other sources (20%), primarily face- to-face clinic visits (χ2 (1) = 38.331, p < 0.001). CONCLUSIONS: Mailings are cost-effective, but direct contact improved recruitment. Not using or lacking access to computers and ineligibility were major reasons for non-participation. Within-site comparisons of demographically diverse sites can address confounding of demographic and other site differences.


Assuntos
Doença de Alzheimer/terapia , Terapia Cognitivo-Comportamental/métodos , Disfunção Cognitiva/terapia , Diabetes Mellitus Tipo 2/terapia , Seleção de Pacientes , Terapia Assistida por Computador/métodos , Idoso , Idoso de 80 Anos ou mais , Doença de Alzheimer/epidemiologia , Doença de Alzheimer/psicologia , Terapia Cognitivo-Comportamental/tendências , Disfunção Cognitiva/epidemiologia , Disfunção Cognitiva/psicologia , Diabetes Mellitus Tipo 2/epidemiologia , Diabetes Mellitus Tipo 2/psicologia , Feminino , Humanos , Masculino , Testes de Estado Mental e Demência , Pessoa de Meia-Idade , Fatores de Risco , Terapia Assistida por Computador/tendências , Estados Unidos/epidemiologia , United States Department of Veterans Affairs/tendências , Veteranos
3.
Alzheimers Dement (N Y) ; 5: 926-932, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31890856

RESUMO

INTRODUCTION: Associations of some risk factors with poor cognition, identified prior to age 75, are reduced or reversed in very old age. The Protected Survivor Model predicts this interaction due to enhanced survival of those with extended risk factor duration. In a younger sample, this study examines the association of cognition with the mean hemoglobin A1c risk factor over the time at risk, according to its duration. METHODS: The interaction of mean hemoglobin A1c (average = 9.8%), evaluated over duration (average = 116.8 months), was examined for overall cognition and three cognitive domains in a sample of 150 "young-old" veterans (mean age = 70) with type 2 diabetes. RESULTS: The predicted interactions were significant for overall cognition and attention, but not executive functions/language and memory. DISCUSSION: Findings extend the Protected Survivor Model to a "young-old" sample, from the very old. This model suggests focusing on individuals with good cognition despite prolonged high risk when seeking protective factors.

4.
J Am Geriatr Soc ; 54(12): 1825-31, 2006 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-17198486

RESUMO

OBJECTIVES: To compare the effect of two 10-week balance training programs, Combined Balance and Step Training (CBST) versus tai chi (TC), on balance and stepping measures. DESIGN: Prospective intervention trial. SETTING: Local senior centers and congregate housing facilities. PARTICIPANTS: Aged 65 and older with at least mild impairment in the ability to perform unipedal stance and tandem walk. INTERVENTION: Participants were allocated to TC (n = 107, mean age 78) or CBST, an intervention focused on improving dynamic balance and stepping (n = 106, mean age 78). MEASUREMENTS: At baseline and 10 weeks, participants were tested in their static balance (Unipedal Stance and Tandem Stance (TS)), stepping (Maximum Step Length, Rapid Step Test), and Timed Up and Go (TUG). RESULTS: Performance improved more with CBST than TC, ranging from 5% to 10% for the stepping tests (Maximum Step Length and Rapid Step Test) and 9% for TUG. The improvement in TUG represented an improvement of more than 1 second. Greater improvements were also seen in static balance ability (in TS) with CBST than TC. CONCLUSION: Of the two training programs, in which variants of each program have been proven to reduce falls, CBST results in modest improvements in balance, stepping, and functional mobility versus TC over a 10-week period. Future research should include a prospective comparison of fall rates in response to these two balance training programs.


Assuntos
Terapia por Exercício/métodos , Geriatria , Equilíbrio Postural , Transtornos de Sensação/terapia , Tai Chi Chuan , Idoso , Feminino , Humanos , Masculino , Estudos Prospectivos
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