14-Anderson - Foot and Ankle injuries - TRIA Orthopedicstria.com › ... › 2017 › 01 ›...
Transcript of 14-Anderson - Foot and Ankle injuries - TRIA Orthopedicstria.com › ... › 2017 › 01 ›...
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Foot and Ankle Injuries in Baseball
Robert B. Anderson, MDFounder, Foot and Ankle Institute
OrthoCarolinaConsultant, Carolina Panthers
Chairman, NFL Musculoskeletal Committee
Charlotte, North Carolina
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DisclosuresWright Medical/Arthrex/DJO: Consultant, Royalities, Research
Zimmer Biomet/Amniox:Consultant
No off-label uses of materials are presented during this lecture
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Ankle Sprains relatively common in baseball
• The Problem– 20-40% suffer chronic pain/disability after
significant ligamentous injury– 10-30% with functional disability
• Weakness, loss of proprioception, loss of motion, tendinitis
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Types of Ankle Sprains• Lateral ankle sprains
– Inversion/plantarflexion mechanism (“classic”)
• Medial ankle sprains– Deltoid ligament injury
• Eversion injury mechanism
• “High ankle sprain”– Syndesmosis injury
• Ext rotation mechanism• Increasing incidence
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Sprain Types• Types/mechanism
– Lateral ankle sprains• Inversion/plantarflexion
mechanism
– Medial ankle sprains• Deltoid ligament injury
– Eversion injury mechanism
– “High ankle sprain”• Syndesmotic injury
– Ext rotation mechanism– Increasing incidence
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Sprain Types• Types/mechanism
– Lateral ankle sprains• Inversion/plantarflexion
mechanism
– Medial ankle sprains• Deltoid ligament injury• Eversion injury mechanism
– “High ankle sprain”• Syndesmotic injury• Ext rotation mechanism• Increasing incidence
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Case• 24 y/o OF with “twisting”
injury– Tender and swollen medial
and lateral– Normal xrays– Placed in a boot for 4 days– Training room treatments– RTP at 7 days
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Case
Issues• Pain persisted• Functional limitations• Persistent swelling/effusion• MRI done
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Case• Continued swelling and
discomfort• Exam “vague” at 6 weeks
– Chronic swelling– Tender over anterior/inferior
medial malleolus and lateral– Anterior drawer with external
rotation
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Case
– Test for dynamic instability = “syndesmotic taping”
• Player asked to perform single limb heel rise with and without tape wrapped around distal tib-fib
• If tape assists then consider instability and need for syndesmotic fixation
Wolf BR, AmendolaA: Curr OpinOrthop 2002
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Case
• Intraop exam diagnostic– EUA– Arthroscopic:
medial laxity, syndesmotic instability, OCL
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Case• Intraop repair
– Chondral debridement– Superficial deltoid
• Medial Brostrom
– Syndesmotic stabilization
• Suture-button fixation
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Postop• NWB in splint x 2 weeks and
then NWB in cast x 2 weeks• PWB in boot for 2 weeks and
then FWB in boot for 4 weeks• DF/PF only• Progressive strengthening after
10 weeks• RTP at 5 months
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Ankle Sprain Summary
• Not all ligament injuries occur in isolation
• Most “lateral” do well with non-op treatment but require comprehensive rehab (peroneals)
• If player not improving think subtle instability (deltoid/syndesmotic) and need for EUA/scope
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Plantar Heel Pain
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Heel Pain in Baseball
• Plantar– Heel pain syndrome
• Plantar fasciitis• Entrapment of 1st branch of LPN• Inferior calcaneal bursitis
– Calcaneal stress fracture
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Plantar Fasciitis
• History/Examination– Worse after rest or sitting– Pain: dull, aching, sharp, “stone-
bruise”– Max tenderness @ plantar medial
heel– No pain with lateral compression– Often tight Achilles– Pes cavus or planus
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Plantar Fasciitis
• Radiographs– Lapidus- 46% pts no
spur, 50% bilat spurs with unilateral pain
– Really only helpful for calcaneal stress fracture
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Plantar Fasciitis
• Imaging studies if exam equivocal and protracted course– MRI more specific
than bone scan
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Plantar Fasciitis• Treatment Modalities- initial phase
– Windlass/Achilles stretching– Toe flexion strengthening– Orthoses/heel cups and cushions– Dorsiflexion night splint– NSAIDs/icing
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Plantar Fasciitis
• Treatment Modalities- secondary phase– Physical therapy modalities– Boot/Cast– Corticosteroid injection
• Improvement temporary in 30%• 30-40% resolve with single injection
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Plantar Fasciitis
• Avoid repeat cortisone injections– Fat pad atrophy– Rupture
• Leach: 5/6 had injections (2 had multiple)
• Acevedo/Beskin: 44/51 ruptures had prior injection
• Increased incidence after two injections
– Sellman, 1994
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Shock Wave Therapy• High energy vs Low energy
– Different volume and amount of energy
– Different depths of penetration
– High energy requires anesthesia
– Low energy requires more treatments
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Shock Wave TherapyEither High or Low Energy is worth a
try!• In athlete, low energy requires no downtime
(high energy may be at some risk for rupture 6-10 weeks after)
• No significant side effects reported• Difficult obtaining insurance approval
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Plantar Fasciitis• Surgical treatment a last resort
– Less than 5% of patients– At least 6 months of failed conservative tx– Options
• Plantar fascial release– Complete vs. Partial
• Endoscopic plantar fascial release• Mini-open = Tenex/Topaz• Distal Tarsal tunnel release
– Baxter – release of LPN
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Distal Tarsal Tunnel Syndrome
• Described in runners• 1st branch of LPN
– Mixed motor-sensory• Sensation to lateral heel• Innervates ADQ
– Baxter described isolated compression• Between deep fascia of abductor and medial fascia
of quadratus plantae– Differentiate from plantar fasciitis – tender to
compression over abductor hallucis muscle
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Recalcitrant Heel Pain
• Our preference is to address both plantar fascia and LPN– Preserve abductor
hallucis muscle– Release only medial
50% of plantar fascia– NWB x 2 weeks– Boot x 4 weeks
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Postop• Return to play when
pain allows– Typically 3-4
months– Use orthotic device
with post/wedge– Taping– Full length turf toe
plate
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PF Rupture• Diagnosis
– Plantar ecchymosis
– Palpate medial band and compare to contralateral
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PF Rupture• Diagnosis
– Plantar ecchymosis
– Palpate medial band and compare to contralateral
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PF Rupture• Diagnosis
– MRI• Disruption at
origin• Soft tissue
inflammation• Late hypertrophy
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PF Rupture• Sequalae
– Loss of arch height → pronation deformity
– Lateral column foot pain• C-C joint synovitis• Cuboid stress reaction
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PF Rupture• Sequalae
– Loss of arch height → pronation deformity
– Lateral column foot pain• C-C joint synovitis• Cuboid stress reaction
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PF Rupture• Sequalae
– Metatarsal stress fractures
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PF Rupture• Treatment
– Early diagnosis key!
– Place directly into short leg cast• Mold arch• WBTT
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PF Rupture• Treatment
– Serial exams• Weekly• Recast for tenderness
– Average 2.5-3.5 weeks
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PF Rupture• Treatment
– Gortex cast allows for continued rehab/conditioning/pool therapy
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PF Rupture• Treatment
– Rehab• Night splint• Toe flexion
(strengthening) exercises
• Gentle windlass stretch
• Achilles stretching
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PF Rupture• Return to play
when pain allows– Avg. 4-6 weeks– Use orthotic
device– Taping– Full length turf toe
plate
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PF Rupture• Return to play
– Saxena, AMSM ’04• 18 athletes• RTP at 9 weeks
(+/- 6)
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Sesamoid Disorders
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Anatomy
• Sesamoids of the hallux– fibular– tibial
• Joined by inter-sesamoid ligament and suspended by MT-sesamoid ligaments
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Anatomy
• Delicate balance• Cross section
– FHL protected and centralized by the sesamoids
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Biomechanics
• Like the patello-femoral joint…– Chrondromalacia– DJD– OCL– Loss of strength with
excision
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Pathophysiology• Acute injury
• fall from height• forced
dorsiflexion of hallux mp joint
• Chronic - repetitive stress
• dancers• runners
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Imaging• Radiographs
– Standing AP/bilateral– Axial– Oblique (for fx)– Use marker
• MRI• Bone scan
– Pinhole image• CT
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Diagnoses• Fracture
– Acute– Stress
• Sesamoiditis• Chondromalacia• Osteochondritis
dissecans• Osteonecrosis
– Fibular > Tibial
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Nonoperative Treatment (in general…)
• Acute– NSAIDs– Cast, boot, sandal– PT
• Chronic– Orthosis– Shoe with rigid sole/cushion– Injection?– Bone Stim?– Shockwave?
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Operative Treatment
Surgical Indications• Failure of conservative
treatment• Pain/tenderness -
localized to one sesamoid
• Diagnostic studies identify abnormality
MT-sesamoid arthrosis
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Operative Treatment
Surgical Options• Sesamoidectomy -
total vs. partial• Plantar shaving, +/-
bursectomy• Bone grafting• Soft tissue
reconstruction
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Surgical Approach
• Sesamoidectomy– Identify and
mobilize digital nerves
– Repair FHB and volar plate
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Case: 20 y/o baseball player with fragmented tibial sesamoid
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Case: 20 y/o pitcher who felt “pop” running off the mound
• Last game of pre-season and was to be opening day starter
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Case: 20 y/o pitcher who felt “pop” running off the mound
• MRI confirms fracture of fibular sesamoid
• Flouro helpful• Increased separation of
fragments with DF of hallux
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Case: Required reconstruction of the plantar plate with fibular sesamoidectomy
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Postop sesamoidectomy
• Non-WB x 2 weeks• Maintain hallux
alignment/protect in boot for 6-8 weeks
• No running for 3 months – orthosis for 6 months
• RTP around 4-5 months
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Foul Ball Injuries
• Ankle– Malleoli– Talus
• Foot– Navicular– 1st metatarsal
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Foul Ball Injuries
• Don’t get too excited• Can treat nonop unless
displaced
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Foul Ball Injuries
• Ice/NSAIDs• Boot, WBTT• Bone stimulator• RTP when they can
hop x 30 and perform 20+ SLHR
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Foul Ball Injuries
• Case example of medial midfoot impaction– Tender and swollen over
navicular tuberosity– PTT intact but pain
against resistence
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Foul Ball Injuries
• MRI performed– Edema in navicular– CT negative for fracture
• Placed in boot/arch support with WBTT
• Bone stim• RTP at 4 weeks with
orthosis in shoe
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Case
• 33 y/o 1st baseman with foul ball to dorsum of the foot
• Pain and swelling– Worse with WB
• Xrays appear normal
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Case
• Persistent pain and swelling
• MRI performed
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Case
• CT performed• WB in boot for 4
weeks for nondisplaced fracture of the 1st metatarsal
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Case• Began running in pool
at 3 weeks• Persistent swelling
and tenderness• Repeated CT and MRI
at 4 weeks– Well healed– Hypertrophic?– Indocin initiated RTP at 5 weeks
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Stress Fractures
• Occur in all sports• Navicular most
concerning
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Navicular Stress Fractures• Difficult to diagnose• Have a high suspicion
– Always a possibility in the running athlete
– Vague ankle pain without the pathology
– Xrays often negative– Don’t want to miss these!!!
N spot
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Navicular Stress Fractures
• Imaging– Obtain MRI or
bone scan early– CT mandatory if
abnormal• Differentiates
stress reaction vs. fracture vs. nonunion
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Stress Fractures (nondisplaced, incomplete)
• Nonop Treatment– Torg et al– SLC x 4 weeks;
NWB– SLWC x 4 weeks– Repeat CT
Torg: 89% naviculars healed in 4 months (no CT)
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“Incomplete” Stress Fractures
• Beware!– I find that these tend to
progress to complete fractures or nonunion
• McCormick et al: AJSM ’12– Complete fx with worse prognosis
– Follow with CT every 6 weeks
– I am quick to operate!
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Case
34 y/o pro player with ankle pain
• No injury• Started in August
and gradually getting worse
• Xrays note impingement lesions
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Case
34 y/o pro player with ankle pain
• Played thru the playoffs
• MRI performed
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Case
34 y/o pro player with ankle pain
• CT noted complete navicular fracture
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Case
Surgery• Open debridement
of ankle• Bone graft and
ORIF of navicular
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Case
Postop• NWB in splint/boot for
6 weeks• WB in boot for 6 weeks• CT at 12 weeks• Running at 5 months• Made Opening Day
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Thank You!
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Case
24 y/o pro player with ankle injury
• Excessive DF hitting the wall
• Lateral and anterior pain
• Diffuse ecchymosis/swelling
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Case
24 y/o pro player with ankle injury
• Negative xrays• MRI performed
same day
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Case
Rehabbed • Peroneal
strengthening• Ankle brace• Persistent lateral
discomfort with activity– ‘something slipping”
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Case
Seen 2 months after the injury
• Tender along posterior fibula
• Peroneals intact– No obvious dislocation
• Anterior impingement sign
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Case
Decision made to proceed with surgery
• EUA/Scope• Peroneal exploration
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Operative Treatment: Chronic Dislocation
My preferred technique
• Fibular groove deepening– Indirect
• Maintains soft tissue on peroneal floor
• No osteotomy to heal
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Dislocation
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Debridement
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Groove Deepening: IndirectShawen and Anderson Tech. Foot Ankle Surg. 2004
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Repair
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Peroneal Repair with Cavovarus
• Consider realignment osteotomy– 1st metatarsal osteotomy– Protects reconstruction
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Case - Postop• Early peroneal mobilization while
avoiding inversion• Returned to running at 14 weeks• Cleared to play at 6 months
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Case RR
• 24 y/o MLB pitcher• Midfoot pain x 10 weeks
– Denies injury
• No improvement with activity modification, orthoses
• Exam: tender over dorsal midfoot, tight Achilles
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Case RR
• Options?– Attempt casting?– Bone stimulator?– Gastroc recession?– DBM/BMA (Ignite)
injection– ORIF with grafting
(Ortholoc forefoot plate)
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Case RR
• Treatment– DBM/BMA (Ignite) injection/bone
stimulator• Rationale: short on time