Lateral Ankle Pathology Brent Ricks DPM Overview ► Anatomy ► Clinical presentation ► Ankle Sprain classification ► Conservative treatment ► Surgical treatment ► Conclusion http://www.sliceofscifi.com/2008/03/25/oh-yeah-they-know-were-here/ 8,11 Anatomy ► Anterior Talofibular Ligament Intracapsular 10mm proximal from the Fibular tip Controls anterior movement of Talus Most important stabilizer for inversion Anatomically weakest of the three lateral ankle ligaments Involved three times more than the CFL ► Calcaneofibular ligament Most important stabilizer of STJ Extracapsular deep to Peroneals ► Posterior Talofibular ligament Intracapsular Rarely injured ► Peroneal tendons http://www.bodyassist.com/content.php?page=tapeanankle Clinical ► ► ► ► ► ► ► ► ► Subjective 85% acute ankle sprains are plantarflexion inversion 10-40% of Acute ankle sprains will continue to chronic ankle instability Pain, weakness, crepitus, instability, swelling, stiffness Objective Rearfoot varus, plantar flexed first ray, Cavus foot Peroneal tear and or strength deficit STJ instability in 10-75% Tibiofibular syndesmosis ► ► ► 8,10,11,12,15 Presentation Injured 1-18% in ankle sprains, most commonly seen in collision sports Pain in anteriolateral ankle with increased pain with dorsiflexion Frick test; Hold foot in neutral and externally rotate the foot on a fixed leg. Pain over the syndesmosis (recreates the mechanism of injury) Squeeze Tibia and Fibula together at midpoint of calf. Pain is at distal Tib-Fib syndesmosis http://www.tabers.com/tabersonline/ub/view/Tabers/1 43062/29/ANTERIOR_DRAWER_TEST Anterior Drawer Suction or Sulcus sign over ATFL 10mm bil or 3mm difference 9 degree absolute, 3 difference (20/30, 8/28) Talar Tilt (CFL) Talar dome lesions/Ankle arthritis http://ajs.sagepub.com/content/36/6/1143.abstract Ankle Sprain Grade 1- Little swelling and tenderness, minimal or no functional loss, no mechanical joint instability ► Grade 2- Moderate pain, swelling over the involved structures, loss of some joint motion with mild to moderate joint instability ► Grade 3- complete ligament rupture with marked swelling, hemorrhage and tenderness, loss of function, joint motion and instability 2 Classification ► http://www.ankleandfootnorthwest.com/ankle-sprain.html http://www.atlantisfootandankle.com/ankle-sprain-instability.aspx Conservative ► 2,3,4,5,9 treatment RICE until swelling and pain resolves then ankle mobilization and early weight bearing Cryotherapy with in 36 hours returned to full activity in 13.2 days vs. 30.4 days beginning after 36 hours NSAIDS Taping effectiveness decreases 40% after 10min of exercise, no significant support after 60 min. ► Taping helps minimize motion, if previously injured more than to an uninjured ankle, within 30 min window ► Ankle braces demonstrate no significance with those who had a previous injury in high school volleyball. ► ► A rigid brace in previously uninjured females may help http://www.countrforce.com/sportanklebrace.html http://www.ehow.com/video_9595_tape-sprained-ankle.html Conservative ► PT Grade 1-2- A functional program should start immediately (3 weeks after injury to maximize collagen content) Unilateral stance on a soft surface for kinesthetic awareness Agility ladder for timing coordination Tilt board for proprioceptive and Peroneal strengthening to improve functional instability (giving out) Plyometric exercises (eccentric loading immediately followed by concentric contraction) are more effective in increasing functional performance than strength training ► Complex series of hops and jumps Strength training ► Inversion, eversion, dorsiflexion, plantarflexion against resistance; Heel rise/ toe rise; towel curl, marble pick up Activities without PT monitoring resulted in less effectiveness and were performed correctly 50% of the time 1,2 Treatment http://www.uksoccershop.com/p-17410/power-speed-parachute.html http://www.extraedgetraining.com/blog/2010/0 4/under-rated-training-equipment/ http://www.sgwoodworksllc.com/Products-2.html Conservative 6,7 Treatment Orthotics Pt with chronic ankle instability have lateral foot biased weight distribution in walking and barefoot running ► Any medial ground reactive force should be avoided. ► ► ► Oblique valgus post ► ► ► High arched Pt that flattens with weight bearing should get maximum arch fill on cast http://www.wecreatewellness.com/orthotics/ Reduce PTF and CFL tension 3 degrees for Pt with Calcaneous aligned under leg, more for pes cavus Valgus forefoot post Cuboid pad to decrease ATFL tension Lateral clip http://www.sportsinjuryclinic.net/cybertherapist/general/pronate.htm Surgical 8,11 Treatment ► Brostrom-Gould Midsubstance repair Incorporation of inferior extensor retinaculum Mild to moderate instability 85-95% effective in treating chronic instability Superior to tenodesis for functional outcomes http://www.google.com/imgres?q=brostrom+ligament+repair&um=1&hl=en&qscrl=1&nord=1&rlz=1T4DKUS_enUS274 US275&biw=1427&bih=827&tbm=isch&tbnid=8yoHzXkjf8HzBM:&imgrefurl=http://www.medscape.com/viewarticle/5357 15_2&docid=xDV28YmYCTczaM&w=550&h=577&ei=DudGTqb2BKIsgKWyoSSCA&zoom=1&iact=rc&dur=78&page=1&tbnh=156&tbnw=149&start=0&ndsp=24&ved=1t:429,r:0,s:0&tx=9 0&ty=67 Kang SK et al. Long-Term Results After Modified Brostrom Procedure Without Calcaneofibular Ligament Reconstruction. Foot and Ankle International. 2011 (32) 153-157 ► ► ► ► ► ► ► ► ► ► 26/30 male patients Average age 23 80% high level or amateur athletes 6 months conservative treatment with more than 15mm anterior drawer ATFL repair at anterior fibular border with extensor retinaculum anchor to periosteum. Short leg cast 4 weeks Air Cast ankle brace 2 weeks At 4 weeks gentle ROM PT at 6 weeks Full weightbearing when full ankle ROM reached http://www.myfootshop.com/detail.asp?condition=ankle%20sprain Kang SK et al. Long-Term Results After Modified Brostrom Procedure Without Calcaneofibular Ligament Reconstruction. Foot and Ankle International. 2011 (32) 153-157 ► ► Follow up 10.6 years Excellent (asymptomatic, full activities) 12/30 patients ► Good (some symptoms, full activity) 16/30 patients ► Fair (symptomatic not fully functioning) 2/30 patients (re-injured) ► ► No statistical difference in ROM in contralateral ankle Anterior Drawer Grade 0 (<5mm) - 13 Grade 1 (5-10mm) - 13 Grade 2 (10-15mm) - 4 http://blog.syracuse.com/sports/2011/07/us_womens_soccer_team_has_hist.html Surgical ► 8,11 Treatment Chrisman-Snook Split Peroneous Brevis does not result in loss of eversion strength 80% good to excellent results Indications ► Failed Brostrom, significant instability, Morbidly obese, STJ instability Non-weight bearing 4 weeks followed by protected weight bearing as tolerated Non-weight bearing 1 week. CAM boot with advancement of weight bearing until 6th week. Light exercise until 3months out. Free Semitendinosus allograft anchored to the lateral Talar neck Gracilis tendon autograft http://www.lexikon-orthopaedie.com/pdx.pl?dv=0&id=01620 Watson Jones Evans Klammer et al. Percutaneous Lateral Ankle Stabilization: An Anatomical Investigation. Foot and Ankle International. 2011 (32) ► ► ► ► ► ► ► ► ► Cadavaric study, 11 feet, Gracilis graft 5mm incision at the anterior margin of the Fibula 10-15mm proximal of the Fibular tip Guide wire into the Talar neck used to guide the bone tunnel Tendon graft inserted and secures with absorbable interference screw Fibular tunnel then created at the same level Second incision made at the posterior Fibular tunnel and graft passed 3rd incision at the insertion of CFL, Posterior and superior to Peroneal tubrical, and tunnel through Calcaneous made Tendon passed and secured Medial Calcaneal Branch of the Tibial nerve hit 2/11. No other nerovascular structures were compromised http://www.auntminnieeurope.com/index.aspx?sec=sup&sub=mri&pag=dis&itemId=605243 Surgical ► ► 9 Treatment Peroneal Repair Brevis more commonly involved Less than 50% of tendon torn ► primary repair, debridement, tubularization More than 50% torn ► Tendon grafting ► Side to side anastomosis http://radiographics.rsna.org/content/20/suppl_1/S153.full Tendonosis ► Debridement ► Topaz, PRP, etc http://www.footankleinstitute.com/peroneal-tendon-tear/ Conclusion ► RICE with immobilization and NSAID, PT ► Orthosis and braces ► Consider all structures of lateral ankle, best viewed with MRI ► Brostrom Gould for ATF and CFL repair and augmentation ► If that fails, STJ instability, obesity; Tenodesis References 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. Hawson ST. Physical Therapy and Rehabilitation of the Foot and Ankle in the Athlete. Clin Podiatr Med Surg. 2011; 189-201 Ismail MM; Ibrahim MM; Youssef EF; El Shorbagy KM. Plyometric Training Versus Resistive Exercises After Acute Lateral Ankle Sprain. Foot and Ankle International. 2010; (31) 523-530 Frey C; Feder KS; Sleight J. Prophylactic Ankle Brace use in High School Volleyball Palyers: A Prospective Study. Foot and Ankle International. 2010; (31) 296-300 Hubbard TJ; Cordova M. Effect of Ankle Taping on Mechanical Laxity in Chronic Ankle Instability. Foot and Ankle International 2010; (31) 499-504 Lyrtzis C; Natsis K; Papadopoulos C; Noussios G; Papathanasiou E. Efficacy of Paracetamol Versus Diclofenac for Grade 2 Ankle sprins. Foot and Ankle International. 2011; (32) 501-575 Morrison KE; Hudson DJ; Davis IS; Richards JG; Royer TD; Dierks TA; Kaminski TW. Plantar Pressure During Runnig in Subjects with Chronic Ankle Instability. Foot and Ankle International. 2010 (31) 994-1000 Rosenbloom KB. Pathology-Designed Custum Molded Foot Orthoses. Clin Podiatr Med Surg. 2011 (28) 171-187 Hentges MJ; Lee MS. Chronic Ankle and Subtalar Loint Instability in the Athlete. Clin Podiatr Med Surg. 2011 (28) 87-104 Franson J; Baravarian B. Lateral Ankle Triad: The triple Injury of Ankle Synovitis, Lateral Ankle Instability, and Peroneal Tendon Tear. Clin Podiatr Med Surg. 2011 (28) 105-115 Soomekh DJ. New Technology and Techniques in the Treatment of Foot and Ankle Injuries. Clin Podiatr Med Surg. 2011 (28) 19-41 Schenck RC; Coughlin MJ. Lateral Ankle Instability and Revision Surgery Alternatives in the Athlete. Foot Ankle Clin N AM. 2009 (14) 205214 Lee KT; Park YU; Kim JS; Kim JB; Kim KC; Kang SK. Long-Term Results After Modified Brostrom Procdure Without Calcaneofibular Ligamnet Reconstruction. Foot and Ankle International. 2011 (32) 153-157 Klammer G; Schlewitz G; Stauffer C, Vich M; Espinosa N. Percutaneous Lateral Ankle Stabilization: An Anattomical Investigation. Foot and Ankle International. 2011 (32) 66-70 Irwin TA; Anderson RB; Davis WH; Cohen BE. Effect of Ankle Arthritis on the Clinical Outcome of Lateral Ankle Ligament Reconstruction in Cavovarus Feet. Foot and Ankle International. 2010. (31) 941-948