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Kalpana P. Padala, MD, MS Research Geriatrician, Assistant Professor Department of Family Medicine University of Nebraska Medical Center Omaha, NE Wii-Fit.

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Presentation on theme: "Kalpana P. Padala, MD, MS Research Geriatrician, Assistant Professor Department of Family Medicine University of Nebraska Medical Center Omaha, NE Wii-Fit."— Presentation transcript:

1 Kalpana P. Padala, MD, MS Research Geriatrician, Assistant Professor Department of Family Medicine University of Nebraska Medical Center Omaha, NE Wii-Fit for Activity, Balance and Gait in Assisted Living Wii-Fit for Activity, Balance and Gait in Assisted Living

2 Faculty Disclosures: The presenter’s have disclosed that they have no relevant financial relationship(s).

3 Funding source 2009 AMDA foundation / Pfizer Quality Improvement Award

4 Learning Objectives: By the end of the session, participants will be able to: Objective 1: Appreciate the impact of balance and gait problems in AD Objective 2: Recognize barriers to exercise in this population Objective 3: Evaluate the feasibility of Wii-Fit to improve balance and gait in AD

5 Falls in AD Three fold higher in AD compared to cognitively intact older adults Impact – rate of injuries and fractures – rate of institutionalization –Older adults who wander and fall their life span by more than 3 years

6 Gait in AD Shortened step length double support time stride length variability - proven risk factor for falls in AD gait speed

7 Importance of Exercise & Barriers Exercise is known to improve gait and balance in elderly Barriers to Exercise: –Difficulty in engaging subjects –Lack of motivation –Cost –Transportation issues –Availability of coach or physical therapist –Lack of facilities in rural areas

8 Wii-Fit A Nintendo gaming console Includes a balance board that senses weight, movement and balance Virtual trainers talk the user through the activity while tracking progress Exercise Components –Yoga –Strength training –Aerobics –Balance games

9 Wii- Fit Component

10 * Creating Mii * Calculating BMI and Wii-Fit Age

11 * Yoga * Strength Training

12 Aerobics

13 Balance Games

14

15 Specific Aims To compare the effect of the Wii-Fit program to a walking program, on measures of balance, in subjects with mild AD residing in an assisted living facility To compare the effect of the Wii-Fit program to a walking program, on measures of activity, gait, and quality of life in the same population

16 Methods Study design: –8-week prospective randomized parallel- group study

17 22 subjects (11 in each arm) Wii-Fit armWalking arm Intervention: 30 minutes daily five days a week for 8 weeks Intervention: 30 minutes daily five days a week for 8 weeks

18 Study subjects Sign consent and assent forms Randomization Obtain primary and secondary outcome measures Wii-Fit intervention for 8 weeksWalking intervention for 8 weeks Assess primary and secondary outcome measures

19 Primary Outcome Measures Berg Balance Scale (BBS) –14 subsets of tasks performed in a standard order –Each task is scored on a five-point scale (0-4) –The maximum score for this assessment is 56 –A score of < 45 is predictive of falls –Good inter-rater reliability of 0.98

20 Secondary Outcome Measures Timed Up and Go (TUG) Tinetti’s Test Activities of daily living (ADL) Instrumental Activities of daily Living (IADL) Quality Of Life-AD (QOL-AD) Mini Mental State Exam (MMSE) Executive Function tests (Trails A & B and Exit -25) Apathy Evaluation Scale (AES) Actigraphs (advanced pedometers - measure physical function)

21 95 charts screened 46 charts found eligible 1 subject hospitalized, 1 subject on PT, 1 subject had severely limited endurance 1 subject out of the facility 5 days a week 37 subjects and/or POA approached for the study 4 POA did not return phone calls 2 POA declined 2 subjects were their own POA and declined 5 subjects declined after POA agreed 2 subjects declined before POA were contacted 22 subjects participated in the study 5 subjects not pursued as the N was met Study Flow diagram

22 Results 22 subjects enrolled,11 in each arm One subject in each arm did not complete the study The subject in Wii-Fit arm did not want to continue after completing 4 weeks The subject from Walking arm was discharged to his home after 4 weeks Data was analyzed with intent to treat analysis RM-ANOVA was used to analyze the continuous variables

23 Demographics & baseline variables Mean age: 80.4 (±7.8) years Gender: 8 females in each group Race: All subjects were Caucasians Mean BMI: 25.4 (±4.05) kg/m 2 Mean Years of education:13.9 (±2.1) years No baseline differences among the two groups with regards to demographics, primary and secondary outcome variables

24 Results There was a significant improvement in BBS across the entire study subjects (p<0.001) There was also significant improvement in TUG (p=0.036) and Tinetti’s (p<0.001)

25 Comparison of mean change in BBS amongst the two groups

26 Results (contd) There was significant improvement in the balance and gait in both groups but within group differences were not statistically significant There was no significant improvement in the ADL, IADL, QOL, MMSE in both groups and within group differences were not statistically significant

27 Conclusion Both Wii-Fit and walking are feasible in an Assisted living facility Balance and Gait improved significantly with both interventions Both groups had good adherence

28 Limitations Conducted in an Assisted living, so not generalizeable to community dwellers Small sample size Study intervention was investigator driven than patient’s self motivation The study intervention was not aimed towards the primary outcome variable

29 Acknowledgements William J. Burke, MD: Primary Mentor Timothy Malloy, MD,CMD: Medical Director Sarah Frost, PT, Physical Therapist Jenenne Geske, PhD: Statistician Marie Bissell, BSN, RN: Graduate assistant Penny Schweitzer, RN, Administrator Chris Stungis’, RN, QMA/Director of Health care Services Facility: Parson’s House on Eagle Run

30 Questions

31 Inclusion criteria Age ≥ 60 Alzheimer’s Dementia, mild(MMSE ≥ 18) Residing in assisted living facility Presence of legal surrogate

32 Exclusion criteria History of myocardial infarction, TIA or stroke in last 6 months Presence of serious mental illness impacting memory Active cancer except skin cancer Medical conditions likely to compromise survival (e.g. severe CHF) Severe sensory and musculoskeletal impairments Using wheel-chair


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