Dexter R. Joyner, DPT, CWS, CHT Manager of Wound Care and ......(Diabetes Mellitus and Gait...
Transcript of Dexter R. Joyner, DPT, CWS, CHT Manager of Wound Care and ......(Diabetes Mellitus and Gait...
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Dexter R. Joyner, DPT, CWS, CHTManager of Wound Care and Hyperbaric MedicinePiedmont Athens Regional
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The FootCommon Foot Problems for DiabeticsTreatment and Prevention
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26 bones
33 joints
107 ligaments
31 nerves
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8‐10,000 steps/day1800 foot strikes/mile
3‐4 x body weight on foot each step
130 pound person500 pounds pressure
4‐12 tons of impact per day
(Dr. Courtney Bordenkecher)
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(YouTube: online medical videos)
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Ave person walk ~115,000 miles/lifetime
This adds up to walking more than four times around the earth
(Dr. Courtney Bordenkecher)
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3rd most common ailment
behind cold and tooth decay
AffectsWomen 3:1 men
75% of Americans will suffer in life time
(Dr. Courtney Bordenkecher)
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66% Americans have foot pain regularly
Top self treatment Changing shoes or taking off
18% do nothing/live with pain
7% sought Dr.’s care
(Dr. Courtney Bordenkecher)
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Many systemic diseases show themselves in the feet and legs
DiabetesRheumatoid ArthritisGoutCirculatory problems
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Athlete’s FootNail FungusIngrown ToenailsHeel PainCorns and CallusesPlanters WartsBunion
Hallux LimitusHammertoesNeuromaFlat FeetHigh ArchesAnkle Sprain/FractureDiabetic Feet
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(YouTube: online medical videos)
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Individuals with diabetes:SlowerShorter step lengthsLonger stance phaseWider base of supportGreater step time variability on irregular surfacesImproper pressure distributionDecreased ankle mobility, ankle moment, and ankle power during walking
(Diabetes Mellitus and Gait Dysfunction: Possible Explanatory Factors. Physical Therapy 2008 November; 88(11): 1365-1374.)
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Diabetes can be hard on the feet
Patients with Diabetes should take extra special care of their feet
Should have routine check ups with a professional
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“…glycosylation occurs when sugar molecules (glucose) floating around in our blood attach to protein molecules, diminishing their effectiveness and causing inflammation.”
‐ Dr. Michael Roizen
The process increases as we age.These glucose‐modified proteins are termed advanced glycosylation end products (AGE).
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Decreased skin thicknessIncrease skin hardnessMuscle atrophy and activation delayDecreased bone densityLimited joint mobilityFat pad fibrotic atrophy and distal migration
(Diabetic foot biomechanics and gait dysfunction. Journal of Diabetes Science and Technology. 2010 July 1;4(4):833-45.)
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Individuals with diabetes:SlowerShorter step lengthsLonger stance phaseWider base of supportGreater step time variability on irregular surfacesImproper pressure distributionDecreased ankle mobility, ankle moment, and ankle power during walking
(Diabetes Mellitus and Gait Dysfunction: Possible Explanatory Factors. Physical Therapy 2008 November; 88(11): 1365-1374.)
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Diabetic foot is a disease complex that can develop in the skin, muscles, or bones of the foot as a result of the nerve damage, poor circulation and/or infection that is associated with diabetes.
The Diabetic Foot may be defined as a syndrome in which neuropathy, angiopathy, and infection will lead to tissue breakdown resulting in morbidity and possible amputation ( WHO 1995 )
Any foot pathology that result from diabetes or it’s long – term results (Boulton 2002)
(Dr. Faiez Alhmoud, Surgery Dpt. Albashir Hospital, MOH)
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ULCER
(“Diabetic Foot Wounds- Types of Wounds and Classification Systems. In:Surgery for Diabetic Foot”. World Scientific (2016): 1-9.)
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SENSORY NEUROPATHY
Loss of painsensation
Unnoticed trauma (mechanical, thermal,chemical)
Unchecked worsening of thelesion
Formation of Callus
Tissue damage & necrosis beneath thecallus
Dev of cavity filled withserous fluid
Cavity erupts to thesurface
Resulting inULCERation
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MOTOR NEUROPATHY
Weakness & decreased contraction of footmuscles
Atrophy /wasting of thesemuscles
Footdeformity
Abnormal gait
Easy ULCERation
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Clawed toesHammer toesPes cavusPes planusCharcot jointTalipes equinus (ankle joint rigidity)Hallux varus/valgus/rigidusBunions (bony bump of hallux joint)Nail deformitiesDeformities from previous trauma/surgery
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“…condition affecting the bones, joints, and soft tissues of the foot and ankle, characterized by inflammation in the earliest phase.”Diabetic neuropathy most common etiology“…localized inflammatory condition that may lead to varying degrees and patterns of bone destruction, subluxation, dislocation, and deformity.”Rocker‐bottom foot is hallmark deformityMay or may not have pain due to neuropathy
(Diabetes Care 2011 Sep; 34(9):2123-2129. Rogers, et al)
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AUTONOMIC NEUROPATHY
Decreased sweat secretion
Dry & brittle skin
Easily cracks & fissures
Infection occurs
ULCERation
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Individuals with diabetes:SlowerShorter step lengthsLonger stance phaseWider base of supportGreater step time variability on irregular surfacesImproper pressure distributionDecreased ankle mobility, ankle moment, and ankle power during walking
(Diabetes Mellitus and Gait Dysfunction: Possible Explanatory Factors. Physical Therapy 2008 November; 88(11): 1365-1374.)
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MACROangiopathy
Atherosclerosis of large arteries(i.e. PAD)
Increased peripheral resistance
Microangiopathy
Thickening of basement membranes of capillaries
Decreased capillary permeability
ANGIOPATHY
Decreased perfusion of foot structures
Decreased supply of immune components & Antibiotics
Poor wound healing GANGRENE
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Impaired defenses against infections:
Decreased Leukocytemigration
Decreased Phagocytosis
Decreased Intracellular killing
Decreased Chemotaxis
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Evolution of a Diabetic Foot Infection: N Engl J Med 2013; 369:2252.December 5, 2013
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Five year mortality following first‐time ulceration – 40%.Increases to 52‐80% after major amputation.Proximal amputations associated with increased mortality.
SO…major amputation, especially proximall, does hasten death.
(Podiatry Today, April 2018, Vol 31, Issue 4, pp12-16.)
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Data is not part of a randomized control trial (for obvious reasons).Patients with higher mortality also had increased age, renal disease, peripheral arterial disease, and cardiovascular disease ‐ ‐ patients’ comorbidities and health status influences outcomes.Cause and effect become more difficult in these observational studies.
(Podiatry Today, April 2018, Vol 31, Issue 4, pp12-16.)
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Ambulatory status may play a factor.1/3 patients will not walk again following a major amputation (higher in elderly and renal patients).Five‐year mortality in ambulatory patients was 30% compared to 69% in non‐ambulatory.
USE IT OR LOSE IT ‐ ‐ more Physical Therapy?!?
(Podiatry Today, April 2018, Vol 31, Issue 4, pp12-16.)
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All patients with Diabetes should have yearly foot exam assessing:
Peripheral neuropathy10g Semmes‐Weinstein monofilament test
(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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Semmes‐Weinstein monofilament test
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All patients with Diabetes should have yearly foot exam assessing:
Peripheral neuropathy10g Semmes‐Weinstein monofilament testAt least one other sensory test – 128Hz tuning fork vibration, cotton wisp, pin prick
(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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All patients with Diabetes should have yearly foot exam assessing:
Peripheral neuropathy10g Semmes‐Weinstein monofilament testAt least one other sensory test – 128Hz tuning fork vibration, cotton wisp, pin prick
Peripheral arterial diseasePost tibialis and dorsalis pedis pulsesAnkle/brachial index or toe‐brachial index
(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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…yearly foot exam assessing:Presence of current or healed ulcerPrevious amputationPresence of callusPresence of deformity: claw toes, hammer toes, bony prominences; limited joint mobilityPresence of Charcot arthropathy: redness, warmth, swelling or deformity, particularly if skin is intact.Signs of infection or inflammation: at least two of redness, warmth, induration, tenderness, purulent secretion.Signs of gangrene.
(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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Patients should receive education on avoidance of foot complications.
(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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Inspect feet dailyCheck for blisters, split skin, swelling, redness
Keep nails filedIf become ingrown seek Professional help immediately
To avoid dry skin After bathing apply lotionDo not apply between toes
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Wear cotton socks with as few seams as possible.
Wear supportive shoes that have a wide toe box.
Wear shoes and socks at all times.Check shoes for objects before putting on
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Patients should receive education on avoidance of foot complications.Pre‐ulcerative conditions treated by a trained professional: removal of callus, protecting/draining blisters, ingrown and thickened nails, antifungal treatment.Patients with gross deformities and/or absent pulses should be referred.Risk stratification for assessment.
(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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(https://www.who.int/diabetes/Diabetes-training-manual.pdf?ua=1)
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(Diabetic Foot: bmj.2017;359:SUPP1)
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D deformityI infectionA atrophic nailsB breakdown of skinE edemaT temperatureI ischemiaC callusS skin color
(Dr. Faiez Alhmoud, Surgery Dpt. Albashir Hospital, MOH)
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(https://www.shopdiabetes.org/1908-American-Diabetes-Association-Foot-Examination-Pocket-Chart-2nd-Edition.aspx)
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Providers need to examine for toe‐box, wear and tear, etc.
The Ladies’ Home Journal, March 1907
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Providers need to examine for toe‐box, wear and tear, etc.For Medicare patients, only physicians that manage the diabetes can certify need for shoes or inserts.Shoes or inserts must be provided by podiatrist, orthotis, prosthetist, pedorthist, or another qualified individual.
(Medicare.gov/coverage/therapeutic-shoes-or-inserts)
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One pair of custom‐molded shoes and inserts‐ OR ‐
One pair of extra‐depth shoes‐ PLUS ‐
2 additional pairs of inserts each calendar year for custom‐molded shoes3 pairs of inserts each calendar year for extra‐depth shoesMedicare will cover shoe modifications instead of inserts.
(Medicare.gov/coverage/therapeutic-shoes-or-inserts)
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50 patients provided footwearReceived shoes for 2.7 years22% wore the shoes all day38% wore slippers at home
…some subjects saved their prescribed shoes for special occasions.
(Knowles, Boulton. Diabetes Care 1996)
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UnattractiveUncomfortableDo not fit well – “too big”HeavyHot
Contributing Factor:
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Proper foot wear is important to protect against pressure points.Highest pressures are usually present in the forefoot.A ROM exercise program can significantly reduce peak plantar pressures in diabetic subjects.
(Plantar pressure measurements and the prevention of ulceration in the diabetic foot. J bone join Surg; 67b, 1985, pp79-85).(The effects of range of motion therapy on the plantar pressures of patients with diabetes mellitus. JAPMA;92(9), October 2002)
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Cane – increases base of support, balance, NO off‐loadingCrutches – PWB to NWBWalker – greater stability, PWB to NWBWheel chair – NWB (except transfers or propelling with feet)Bed rest
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(It’s not what you put on, but what you take off: Techniques for debriding and off-loadingthe diabetic foot wound, Clinical Infectious Diseases, 2004;39:S92-9.)
Mean peak pressure for ulcers under metatarsal heads
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TCC – effective in treating a majority of non‐infected, non‐ischemic plantar ulcers.Healing rates ranging 72% ‐ 100% over 5‐7 weeks.
(It’s not what you put on, but what you take off: Techniques for debriding and off-loadingthe diabetic foot wound, Clinical Infectious Diseases, 2004;39:S92-9.)
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Only 6% of DFU patients had “Gold Standard” TCC usedCost of care with TCC was half that of those that did not have TCCTCC was time consuming and poorly reimbursedInadequate reimbursementLack of familiarity with Clinical Practice Guidelines
(Why is it so hard to do the right thing in wound care. Wound Repair and Regeneration: 2010; 18:154-158)
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52 year old diabetic male
• Wound for 18 months
• Had off‐loading boot
• Previous skin substitute
• Worked on his feet on a loading dock
• TCC first applied 03/06/13
• Wound closed 04/05/13
• Cast 2 more weeks, then into diabetic shoes with molded inserts
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“The pathway to amputation is littered with bandages and dressings which have deceived both the doctor and patient into thinking that by dressing an ulcer they were curing it”
‐ Dr. Faiez Alhmoud
(Dr. Faiez Alhmoud, Surgery Dpt. Albashir Hospital, MOH)
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Of all late complications of diabetes, foot problems are the most easily detectable and easily preventable.
Strategies aimed at preventing foot ulcers are cost effective and cost saving.
Relatively simple interventions can reduce ulcers and hopefully amputations.
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“And in the end, it’s not the years in a life, it’s the life in the years.”
‐ Abraham Lincoln