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BRACING SOLUTIONS FOR POLIO SURVIVORS— PRELIMINARY RESULTS OF RESEARCH WITH DYNAMIC BRACING SOLUTIONS ORTHOSES Marny Eulberg, M.D. Human Gait Institute.

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Presentation on theme: "BRACING SOLUTIONS FOR POLIO SURVIVORS— PRELIMINARY RESULTS OF RESEARCH WITH DYNAMIC BRACING SOLUTIONS ORTHOSES Marny Eulberg, M.D. Human Gait Institute."— Presentation transcript:

1 BRACING SOLUTIONS FOR POLIO SURVIVORS— PRELIMINARY RESULTS OF RESEARCH WITH DYNAMIC BRACING SOLUTIONS ORTHOSES Marny Eulberg, M.D. Human Gait Institute

2 Background  I am a family physician and a polio survivor  I have been medical director of a post polio clinic in Denver since 1985  I’ve seen about 1500 polio survivors since 1985  In January 2011, I began a research project to compare outcomes of persons fit with a Dynamic Bracing Solutions orthosis(es); about half the subjects have been polio survivors

3 A few observations about research..  In order to get results published in journals, if using human subjects one must get approval from an Institutional Review Board (IRB).  Rules/policies from IRB may discourage patient participation  Co-ordination between sites/researchers is challenging!  There frequently is a significant drop-out of subjects if research exceeds 3 months

4 Polio survivors, bracing & this research  Sometimes there has been the belief that polio survivors are not willing to change from the type of bracing they have had. While this is true for some, others have been searching for more choices and embrace change.  Individuals with long standing gait deviations, need to “unlearn” old inefficient gait patterns and to learn a new more efficient gait pattern to use DBS – this is not easy and may require significant gait training and time. Patient commitment is very important!!

5 Research Design  Subjects recruited from one of six orthotic practices.  If a candidate for a DBS brace(s), they were asked to participate in research study  The research subjects completed a self-report questionnaire, a SF-36v2 (Sense of Health and Well-Being) questionnaire, and had a functional timed walking test (the L-test) done at baseline, and at 3 months, 6 months, and 12 months post fitting of DBS

6 Some essential orthotic elements for Dynamic Bracing Solution braces  Detailed video gait analysis, triplanar correction of deformities, ground reaction, dynamic materials and meticulous fitting especially around bony prominences (not unusual to take 2 to 3 hours or more for fitting)  Post brace gait training initially by orthotist & then daily practice at home (PT, with DVD instruction, etc). Generally initial gait training by orthotist takes 5 to 8 hours over two days. {fatigue in PPS must be taken into consideration}

7 Breakdown of research subjects  Have enrolled 14 polio survivors, one has withdrawn  13 polio survivors are still in the study: we have 12 months worth of data on 5; 6 months of data on 4 more; and only initial data on an additional 4  Initial use of devices: no orthoses = 4 single AFO (various types) = 3 single KAFO, + or – single cane = 3 multiple devices (KAFO & AFO or bilateral or with or without crutches, canes, or walker = 3

8 Questions asked in self reports  What type of bracing, if any, client came in with and follow-up questions about type of DBS issued  How far can comfortably walk  Frequency of falls and near falls  Sense of security barefoot & in previous brace (if applicable), and with DBS on scale of 0 to 10  Sense of balance barefoot, in previous bracing system and with DBS on scale of 0 to 10  Pain rating on 0 to 10 scale

9 SF-36v2 questionnaire  Well validated questionnaire that has been used for multiple different diagnoses and across a variety of treatment settings  Eleven single or multiple item questions with a 5 point scale for each  Eight scales– Physical Functioning, Role-Physical, Bodily Pain, General Health, Vitality, Social Functioning, Role- Emotional, and Mental Health  Two summary scales- Physical Component Summary and Mental Component Summary  Weighted so a score of 50 on each scale is “normal” or average

10 The L-test (longer version of TUG)  L-test involves timing the client from when they arise from a chair, walk a total of 20 meters, making two 90 degree turns and one 180 degree turn and return to sitting in the chair.  Equipment needed: a device to measure at least 25 feet, a chair, space to walk the distances (an exam room leading into a hall works well), and a stopwatch  To be considered a significant change there must be a difference of at least 3 seconds

11 Why were these measures chosen?  A single measure is not sufficient –some people do well on one test even pre-brace but not on others  To look at factors that are important to the end user in their daily life—decrease pain, ability to participate in life more easily, decrease falls, improved security  Easy to perform, required little equipment, required a minimum of additional time from orthotist  The L-test– because several studies have shown that, at least in some pathologies, the Timed Up & Go (TUG) showed no difference in time or worsened times between no orthosis and AFOs.

12 Changes in L-test times DBS AFOs (in sec.) (3 seconds change considered significant) SubjectNo devicesConv. Brace/devic es DBS-3 moDBS-6 moDBS-12 moChange 2011-001 42.6 AzAFO 36.7 DBS AFO 20.4 DBS AFO 17.25 DBS AFO 16.85 -25.75 -19.85 2011-002unableCane 76.1AFO 55.9AFO 39.5No data-36.6 sec 2011-008unableKAFO & cane 39 DBS AFO+cane 36.5 DBS AFO+cane 30.25 DBS AFO+cane 47.3**** -8.75 until new med. problems 2011-015 27.75 Springleaf AFO 24.28 DBS AFO 20.43 DBS AFO 21.97 Due 9/12/12 -5.78 -3.85 2011-01737.79PLSO 28.31DBS AFO 28.3 DBS AFO no data To be done 9/14/12 0 2012-00526.8noneNo data22.4Due 1/13-4.4

13 Changes in times with DBS KAFOs SubjectNo devicesCon. Brace/devic es DBS -3 moDBS-6 moDBS-12 mo.Change in seconds 2011-005Crutches, no brace 37.25 sec KAFO & AFO + crutches 26.45 DBS KAFO & AFO + crutches 36.21 DBS KAFO & AFO + crutches 31.28 DBS KAFO & AFO + crutches 32.3 -3.9 no brace +5.85 old braces 2011-00927.3 secCane occas.Delay in using DBS DBS KAFO+ cane33.5 + 6.2 sec 2011-01443 secondsNoneDBS KAFO & AFO + walker 105.67 DBS KAFO & AFO + walker 130.28 Not due until 12/06/12 +87. 28

14 Change in frequency of falls/near falls SubjectInitial Falls per yr After DBS per yr DifferenceInitial near falls After DBS Difference 2011-001 Prior=AzAFO 102 AFO -820 to 306-14 to -24 2011-002 Prior = cane 00 AFO 001+1 2011-005 prior = KAFO, AFO, crutches 23 KAFO AFO, crutches +124 to 365 to 6-19 to -31 2011-008 Prior=conv. KAFO, cane 36-481 KAFO -35 to -47“too many to count” 1Countless 2011-009 (occ. cane) 00012 to 241 to 2-11 to -22

15 Change in self-reported sense of security and balance-initial vs. 3 mo. SubjectSecurity initial Security 3 months ChangeBalance initial Balance 3 months Change 2011-0014 to 58+3 to 458+3 2011-00257+237+4 2011-00517+619+8 2011-00815+417+6 2011-0096 to 77 to 8+16 to 77 to 8+1 2011-01481-781 2011-01568+257 to 8+2 to 3 2011-017No data7? 5? 2012-00537+435+3

16 Change in reported pain SubjectPain (0-10) initialMax. change in painDifference 2011-0011 to 30-1 to -3 2011-00231-2 2011-00582-6 2011-0086 to 73-3 to -4 2011-00900none 2011-01462-4 2011-01564-2 2011-01742-2 20l2-0054 to 74-3 to 0

17 Change in SF-36v2 responses (normal/average scores = 50) Subject—data for months # of scales changed Physical Component Summary score Change in PCS Mental Health Component Summary Score 2011-001 12+ all 8, 4 scales at least 3 fold increase 22.02 initial 43.98 at 12 months +21.9640.1 initial 49.74 at 12 month 2011-002 6+2 (RP & BP)29.54 initial 34.46 at 6 months +4.9264.93 initial 60.42 at 6 months 2011-003 3+ 5, decreased 340.21 initial 43.16 at 6 months +2.9556.32 initial 56.11 2011-005 12+ 5; -2; 1 no change 26.54 initial 37.29 at 12 months +10.7563.36 initial 56 at 12 months 2011-008 12+4; -1; 3 no change 26.96 initial 37.8 at 12 months +10.8461.39 initial 57.06 at 12 months 2011-015 6+5; -2; 1 no change 29.46 initial 39.6 at 12 months +10.1457.91 initial 52.81at 12 months

18 Dynamic Bracing Solutions (DBS) braces  For detail: www.DynamicBracingSolutions.netwww.DynamicBracingSolutions.net  Talk to John Callan, myself or Marmaduke Loke after this session.


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