Tibial and Fibular shaft fractureMANAGEMENT

LEG & SHIN · 12 SECTIONS

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679 items

☷ Legend

01Approach to the Critical Patient/attcp80

Immediate priorities

›First 10 minutes

›Hemodynamic stability

›SBP < 90 mm Hg triggers hemorrhage and polytrauma pathway

›Persistent tachycardia triggers occult bleeding search

›Limb threat screen

›Pulses

›Dorsalis pedis pulse

›Posterior tibial pulse

›Doppler signal if nonpalpable

›Motor function

›Ankle dorsiflexion

›Great toe extension

›Ankle plantarflexion

›Sensation

›Deep peroneal nerve

›Superficial peroneal nerve

›Tibial nerve

›Perfusion

›Capillary refill

›Skin temperature

›Skin color

›Compartment syndrome triggers

›Pain out of proportion

›Pain with passive toe stretch

›Escalating analgesic requirements

›Tense compartments

›Anterior compartment firmness

›Deep posterior compartment firmness

›Neurologic deficit

›New paresthesia

›New weakness

›Pulselessness as late finding

›Do not exclude compartment syndrome with palpable pulses

›Open fracture pathway if wound present

›Antibiotics within 60 minutes goal

›Tetanus status and prophylaxis

›Sterile saline-moistened dressing

›Gross contamination

›Farm injury triggers anaerobe coverage escalation

›Freshwater exposure triggers Aeromonas coverage consideration

›Saltwater exposure triggers Vibrio coverage consideration

›Escalation and consultation

›Orthopedics urgent notification

›Open tibia fracture suspicion

›Neurovascular compromise

›Suspected compartment syndrome

›Unstable segmental or comminuted pattern

›Vascular surgery urgent involvement

›Hard signs of vascular injury

›Active hemorrhage

›Expanding hematoma

›Bruit or thrill

›Distal ischemia

›ABI < 0.90 after reduction and splinting

›Trauma team activation

›High-energy mechanism with multisystem injury concern

›Hypotension or altered mental status

Neurovascular documentation

›Pre and post intervention documentation

›Baseline status

›Pulses

›Motor

›Sensation

›Cap refill

›Post-splint status

›Pulses

›Motor

›Sensation

›Pain trend

›Post-reduction status if performed

›Pulses

›Motor

›Sensation

›Compartment findings

Key Concepts

›Core risks

›Tibial shaft fracture high compartment syndrome risk

›Anterior compartment most commonly involved

›Polytrauma and obtundation increase missed diagnosis risk

›Open tibial shaft fracture common due to subcutaneous tibia

›Infection risk rises with soft tissue injury severity

›Early antibiotics associated with lower infection rates

02History/hx51

Mechanism and context

›Injury context

›Mechanism

›High-energy

›Motor vehicle collision

›Pedestrian struck

›Fall from height

›Low-energy

›Twist with planted foot

›Sports collision

›Time course

›Time since injury

›Interval worsening pain or tightness

›Environment

›Contamination source

›Road debris

›Soil or farm

›Water exposure

›Prior interventions

›Splinting already applied

›Reduction attempt already performed

›Symptom clusters

›Limb ischemia features

›Cool foot

›Pallor

›Numbness

›Weakness

›Compartment syndrome features

›Pain out of proportion

›Pain with passive toe stretch

›Increasing tightness

›Paresthesia

›Open fracture indicators

›Wound near fracture site

›Bleeding through clothing

›Bone protrusion reported

›Baseline risks

›Bleeding risk

›Anticoagulants

›Antiplatelet therapy

›Known coagulopathy

›Bone health

›Osteoporosis

›Chronic glucocorticoids

›Prior fragility fracture

›Prior limb status

›Prior fracture or hardware

›Baseline neuropathy

›Peripheral arterial disease

›Tetanus immunization status

›Last booster timing

›Unknown status triggers prophylaxis

03Physical Exam/exam52

Focused lower limb exam

›Inspection

›Deformity pattern

›Shortening

›Angular deformity

›Rotational deformity

›Skin integrity

›Open wound

›Fracture blisters

›Skin tenting or blanching

›Swelling distribution

›Localized swelling

›Diffuse tense swelling

›Palpation

›Point tenderness

›Tibial shaft

›Fibular shaft

›Crepitus

›Gentle palpation only

›Compartment firmness

›Anterior compartment

›Lateral compartment

›Superficial posterior compartment

›Deep posterior compartment

›Neurovascular exam

›Vascular

›Dorsalis pedis pulse

›Posterior tibial pulse

›Doppler if equivocal

›Capillary refill

›Motor

›Tibialis anterior function

›Extensor hallucis longus function

›Gastrocnemius-soleus function

›Sensory

›Deep peroneal distribution

›Superficial peroneal distribution

›Tibial distribution

›Joints above and below

›Knee assessment

›Effusion

›Ligament laxity concern

›Ankle assessment

›Tenderness at malleoli

›Syndesmosis tenderness

›Medial clear space concern

›PITFALLS

›Missed compartment syndrome

›Early findings may be subtle

›Analgesia can mask evolving pain

›Missed associated ankle injury

›Proximal fibular fracture with ankle injury pattern concern

›Ankle imaging required with tib-fib shaft injury

04Differential Diagnosis/ddx33

Life and limb threats

›Critical alternatives

›Acute limb ischemia

›ICD-10 I99.8

›Hard signs trigger immediate vascular pathway

›Compartment syndrome

›ICD-10 T79.A2

›Pain with passive stretch as key clue

›Necrotizing soft tissue infection after open injury

›ICD-10 M72.6

›Systemic toxicity disproportionate to exam

›Co-injuries and mimics

›Knee dislocation with vascular injury

›ICD-10 S83.1

›Popliteal artery injury risk

›Ankle fracture or syndesmotic injury

›ICD-10 S82.8

›Medial ankle pain or mortise widening

›Tibial plateau fracture

›ICD-10 S82.1

›Knee effusion with axial load mechanism

›Achilles tendon rupture mimic

›ICD-10 S86.0

›Plantarflexion weakness with minimal bony tenderness

Coding and standard terms

›Primary fracture codes

›Tibial shaft fracture

›ICD-10 S82.20

›SNOMED CT tibial shaft fracture concept

›Fibular shaft fracture

›ICD-10 S82.40

›SNOMED CT fibular shaft fracture concept

›Open fracture modifier

›ICD-10 S82.2 with open fracture character extension per local coding standard

›ICD-10 S82.4 with open fracture character extension per local coding standard

05Laboratory Tests/lt36

Minimal labs for isolated closed injury

›Baseline testing considerations

›No routine labs for isolated closed stable fracture

›Normal vital signs

›No anticoagulants

›Pregnancy test when applicable

›Imaging planning and analgesia selection

›If operative pathway likely

›Pre-op screening set

›CBC for anemia or bleeding concern

›Hemoglobin trend baseline

›Leukocytosis nonspecific for trauma

›Electrolytes and creatinine for perioperative planning

›Creatinine for contrast planning if CT angiography considered

›Coagulation studies for anticoagulant use or liver disease

›INR

›aPTT

›If open fracture or systemic risk

›Infection and contamination context

›CBC for baseline

›WBC limited early diagnostic value

›Trend with clinical course

›Lactate in shock concern

›Elevated lactate supports hypoperfusion physiology

›If crush or prolonged ischemia concern

›Rhabdomyolysis and renal risk

›Creatine kinase

›Rising CK supports muscle injury

›Normal early CK does not exclude evolving injury

›Potassium

›Hyperkalemia risk with muscle necrosis

›Creatinine

›Acute kidney injury risk

›PITFALLS

›Compartment syndrome is clinical

›Labs do not exclude diagnosis

›CK may be normal early

06Diagnostic Tests/dt96

Scoring Systems

›Classification frameworks

›Gustilo-Anderson open fracture classification

›Type I

›Wound < 1 cm

›Minimal contamination

›Minimal soft tissue damage

›Type II

›Wound 1 to 10 cm

›Moderate soft tissue injury

›Moderate contamination

›Type IIIA

›Wound > 10 cm

›High-energy

›Adequate soft tissue coverage possible

›Type IIIB

›Extensive soft tissue loss

›Periosteal stripping

›Bone exposure

›Flap coverage likely

›Type IIIC

›Arterial injury requiring repair

›Limb salvage versus amputation decision point

›AO/OTA classification for tibial shaft

›42-A simple

›Spiral

›Oblique

›Transverse

›42-B wedge

›Intact wedge

›Fragmented wedge

›42-C complex

›Segmental

›Comminuted

›Surgical planning relevance

›Higher complexity correlates with nonunion risk

Radiographs

›Plain film approach

›Tibia-fibula radiographs

›AP view

›Lateral view

›Include knee and ankle on long bone series

›Dedicated joint imaging when indicated

›Knee series for effusion or plateau concern

›AP

›Lateral

›Oblique as local protocol

›Ankle series for malleolar or syndesmotic concern

›AP

›Lateral

›Mortise

›Post-reduction and post-splint films

›Alignment confirmation

›Complication detection

›Alignment and stability features

›Displacement

›Translation percentage estimate

›Shortening estimate

›Angulation

›Varus or valgus

›Apex anterior or posterior

›Rotation suspicion

›Clinical correlation required

›CT useful if high concern

›Fibular fracture level

›Proximal fibula raises syndesmotic injury concern

›Distal fibula raises ankle stability concern

MRI

›Advanced soft tissue assessment

›Occult fracture pathway

›Persistent pain with negative radiographs

›Stress fracture concern in low-energy pain pattern

›Ligament and meniscal injury pathway

›Knee instability features

›Persistent effusion

›Compartment syndrome adjunct role

›Not a rule-out test

›Delay risk outweighs benefit in acute suspected cases

›Contraindications and limitations

›Metallic foreign body concern

›Unstable patient not suitable for prolonged imaging

›Indications

›Intra-articular extension concern

›Proximal extension toward plateau

›Distal extension toward plafond

›Segmental fracture characterization

›Surgical planning support

›Vascular injury workup integration

›CT angiography for abnormal pulses or ABI < 0.90

›CT angiography considerations

›Hard signs of vascular injury prompt immediate action

›Imaging should not delay operative control when unstable

›Soft signs prompt CTA

›Diminished pulse

›ABI < 0.90

›Large hematoma

›Evidence and guidance

›CTA supported for extremity vascular injury evaluation in trauma pathways

›Class I recommendation in trauma society guidance for imaging when vascular injury suspected

07Disposition/dispo32

Admission versus discharge

›Disposition framework

›Admit or transfer criteria

›Open fracture

›Neurovascular deficit

›Suspected compartment syndrome

›Uncontrolled pain

›Inability to ambulate safely

›High-energy mechanism with other injuries

›Unstable fracture pattern

›Discharge criteria

›Closed fracture

›Neurovascularly intact

›Pain controlled with oral regimen

›Reliable follow-up within 24 to 72 hours when required

›Safe mobility plan

›Follow-up timing

›Orthopedics follow-up targets

›Suspected operative pattern within 24 to 48 hours

›Stable nonoperative pattern within 5 to 7 days

›Weight-bearing status

›Default restriction

›Non-weight-bearing until orthopedic plan confirmed

›Crutches or walker training

›Transfer criteria

›Limb-threatening ischemia

›Pulseless limb after reduction and splinting

›Rapidly evolving neurologic deficit

›Open fracture requiring urgent operative management

›Gustilo type III suspicion

›Vascular injury suspicion

›Suspected compartment syndrome

›Immediate surgical capability required

08Treatment/t159

Immediate life-saving interventions

›Limb perfusion rescue

›Pulseless limb

›Immediate gentle realignment and splinting

›Traction with countertraction

›Restore length and alignment

›Post-realignment vascular reassessment

›Doppler pulses

›Capillary refill

›If persistent ischemia, immediate vascular and ortho escalation

›CTA if stable and available without delay

›Transfer if no immediate capability

›Hemorrhage and shock actions

›External bleeding control

›Direct pressure

›Tourniquet for life-threatening extremity hemorrhage

›Resuscitation support

›IV access

›Balanced transfusion if massive hemorrhage suspected

Immobilization and Splinting

›Splint selection and principles

›Lower extremity options menu

›Posterior long leg splint as typical for tibial shaft fracture

›Knee flexion about 10 to 20 degrees

›Ankle neutral

›Knee immobilizer as temporary option for select stable patterns

›Poor control of tibial shaft rotation risk

›Traction splint

›Not primary for tibial shaft fractures

›Consider only if concurrent femoral shaft fracture present

›Immobilization principles

›Joint above and below immobilized for long bone fractures

›Swelling phase avoidance of circumferential cast

›Padding over bony prominences

›Two-finger tightness check

›Post-application reassessment

›Motor

›Sensation

›Pulses

›Pain trend

›Splint complications and mitigation

›Pressure injury risk

›Edge flaring

›Extra padding at heel and malleoli

›Tight splint risk

›Increasing pain or paresthesia triggers loosening and reassessment

›Compartment syndrome reassessment if symptoms persist

Reduction

›Indications and safety

›Indications

›Neurovascular compromise

›Threatened skin or tenting

›Severe deformity preventing splinting

›Caution triggers

›Suspected vascular injury

›Reduction should not delay vascular control if unstable

›Open fracture

›Antibiotics and tetanus pathway first when feasible

›Analgesia and anesthesia options

›Multimodal analgesia base

›Acetaminophen PO 1000 mg

›Maximum 4000 mg per 24 hours

›Maximum 3000 mg per 24 hours if liver disease risk

›Ibuprofen PO 400 mg

›Repeat every 6 to 8 hours

›Maximum 2400 mg per 24 hours

›Opioid titration options

›Fentanyl IV 25 to 50 micrograms

›Repeat every 5 minutes to effect

›Monitor for respiratory depression

›Morphine IV 2 to 4 mg

›Repeat every 10 minutes to effect

›Avoid in hypotension without resuscitation

›Procedural sedation pathway when required

›Ketamine IV for dissociative sedation

›Initial dose 1 mg/kg IV

›Repeat 0.5 mg/kg IV after 5 to 10 minutes if needed

›Maximum clinician-defined endpoint based on airway and hemodynamics

›Adjunct management

›If emergence reaction, midazolam IV 0.5 to 1 mg

›Repeat every 2 to 3 minutes to effect

›Higher delirium risk in older adults

›If hypersalivation, atropine IV 0.01 mg/kg

›Maximum 0.5 mg per dose

›Propofol IV for deep sedation

›Initial dose 0.5 mg/kg IV

›Repeat 0.25 mg/kg IV every 1 to 3 minutes to effect

›Hypotension risk

›Continuous infusion option

›25 micrograms/kg/min

›Titration 10 micrograms/kg/min every 2 to 5 minutes

›Typical range 25 to 75 micrograms/kg/min

›Reduction technique principles

›Traction and countertraction

›Restore length

›Correct angulation

›Deformity exaggeration to disengage fragments when applicable

›Gentle sustained force preferred

›Avoid repeated forceful attempts

›Post-reduction requirements

›Immediate neurovascular re-check

›Post-reduction imaging

›Immobilization in stable position

›Failed reduction pathway

›Persistent neurovascular deficit triggers immediate escalation

›Irreducible deformity triggers urgent orthopedics

›Worsening pain or tense compartments triggers compartment syndrome escalation

Open fracture medications and timing

›Antibiotics and prophylaxis

›Timing target

›First dose within 60 minutes of presentation goal

›Gustilo type I to II typical coverage

›Cefazolin IV 2 g

›Repeat every 8 hours

›Weight based alternative 3 g if very high body mass per local protocol

›Severe beta-lactam allergy option

›Clindamycin IV 900 mg

›Repeat every 8 hours

›Gustilo type III or gross contamination concern

›Cefazolin IV 2 g

›Repeat every 8 hours

›Gram-negative coverage addition

›Gentamicin IV 5 to 7 mg/kg

›Single daily dosing strategy

›Renal dosing adjustment required

›Farm or fecal contamination

›Metronidazole IV 500 mg

›Repeat every 8 hours

›Alternative anaerobe strategy per local protocol

›Water exposure contamination

›Freshwater concern

›Ciprofloxacin IV 400 mg

›Repeat every 12 hours

›Saltwater concern

›Doxycycline IV 100 mg

›Repeat every 12 hours

›Tetanus prophylaxis

›Clean minor wounds

›If immunized and last dose > 10 years, Tdap or Td booster

›All other wounds including open fractures

›If immunized and last dose > 5 years, Tdap or Td booster

›If unknown or incomplete immunization, tetanus immune globulin plus vaccine

›Wound handling

›Sterile saline-moistened dressing

›Remove gross debris only if easily accessible

›No aggressive ED debridement

DVT prophylaxis when relevant

›Risk assessment for lower limb immobilization

›High-risk features

›Prior venous thromboembolism

›Active cancer

›Major trauma

›Prolonged non-weight-bearing

›Hormonal therapy

›Contraindications

›Active bleeding

›Severe thrombocytopenia

›Intracranial hemorrhage concern

›Pharmacologic options by local protocol

›Enoxaparin SC 40 mg daily

›Renal impairment dosing adjustment per protocol

›Planned surgery coordination with orthopedics

›Mechanical prophylaxis

›Intermittent pneumatic compression when hospitalized

09Special Populations/sp40

Pregnancy

›Pregnancy-specific considerations

›Imaging safety principles

›Radiographs acceptable with shielding when clinically indicated

›CT only when benefits outweigh risks

›Analgesia

›Acetaminophen preferred

›NSAID avoidance in later pregnancy per obstetric guidance

›Opioids short course when required with monitoring

›DVT risk

›Pregnancy increases baseline VTE risk

›Early mobilization planning

›Obstetric coordination

›Gestational age assessment

›Fetal monitoring needs based on gestational age and trauma severity

›Rho(D) immune globulin consideration if Rh negative and trauma per obstetric guidance

Geriatric

›Older adult considerations

›Fragility mechanisms

›Low-energy twist can still fracture osteoporotic bone

›Higher admission threshold

›Limited mobility

›Limited home supports

›Medication risk

›Opioid delirium risk

›NSAID renal and GI risk

›Bone health pathway

›Osteoporosis evaluation and treatment referral

Pediatrics

›Pediatric considerations

›Growth plate and remodeling

›Physeal injury assessment when near metaphysis

›Remodeling potential varies by age and location

›Nonaccidental trauma considerations

›Inconsistent history triggers safeguarding pathway

›Weight-based medication dosing

›Acetaminophen 15 mg/kg per dose

›Maximum per local pediatric protocol

›Ibuprofen 10 mg/kg per dose

›Maximum per local pediatric protocol

›Immobilization and follow-up

›Higher risk of loss of reduction with swelling changes

›Early recheck timing when displaced patterns treated nonoperatively

10Background/b52

Epidemiology

›Population patterns

›Tibial shaft fracture common long bone injury in trauma

›Higher incidence in young adult males due to high-energy mechanisms

›Bimodal distribution with older adult fragility patterns

›Open fracture frequency

›Tibial shaft among most common open long bone fractures

›Subcutaneous anteromedial tibia increases open injury likelihood

›Outcomes and complications

›Compartment syndrome risk

›Increased risk with high-energy and comminution

›Nonunion and infection risk

›Higher with open fractures and severe soft tissue injury

Pathophysiology

›Injury mechanics to pattern mapping

›Torsion

›Spiral fracture pattern

›Bending

›Transverse or short oblique pattern

›Axial load

›Comminution

›Segmental fractures

›Anatomy and nearby structures

›Compartment anatomy

›Anterior compartment contents

›Tibialis anterior

›Deep peroneal nerve

›Anterior tibial artery

›Deep posterior compartment contents

›Tibial nerve

›Posterior tibial artery

›Neurovascular vulnerability

›Peroneal nerve palsy association with fibular neck and proximal fibular injuries

›Anterior tibial artery compromise risk in high-energy tibial fractures

Therapeutic Considerations

›Nonoperative versus operative rationale

›Operative fixation common for displaced tibial shaft fractures

›Intramedullary nailing as common definitive strategy

›External fixation for severe soft tissue compromise or damage-control orthopedics

›Nonoperative options for select stable patterns

›Minimal displacement

›Intact neurovascular status

›Reliable follow-up and alignment maintenance

›Swelling timeline implications

›Peak swelling often within 24 to 72 hours

›Circumferential casting in early swelling increases pressure injury risk

›Splint-first strategy reduces constriction risk

›Open fracture care principles

›Early antibiotics reduce infection risk

›Shorter time to antibiotics associated with lower infection rates in open fractures

›Early debridement and stabilization improve outcomes

›Timing depends on contamination and soft tissue status per specialty guidance

›Guideline integration

›Procedural sedation safety guidance supports continuous monitoring standards

›ACEP procedural sedation clinical policy Level B and Level C recommendations for monitoring and preparedness

11Patient Discharge Instructions/pdi27

copy discharge instructions

›Discharge guidance set

›Splint care

›Keep splint clean and dry

›Do not insert objects inside splint

›Check toes for color and warmth several times daily

›Swelling control

›Elevation above heart as much as possible for first 48 to 72 hours

›Ice over splint at intervals if tolerated

›Activity

›Non-weight-bearing on injured leg unless explicitly cleared

›Crutches or walker use until follow-up

›Pain plan

›Acetaminophen as first-line per label and clinician plan

›Ibuprofen if safe per clinician plan

›Opioid only if prescribed

›Return to ED now

›Increasing pain not controlled with medication

›New numbness or tingling in foot or toes

›Inability to move toes

›Toes becoming pale, blue, or cold

›Increasing tightness or severe pain with toe movement

›Splint feels too tight or causes new pressure pain

›Fever or wound drainage

›Bleeding through dressing

›Follow-up

›Orthopedics appointment within instructed timeframe

›Return earlier if symptoms worsen

12References/r21

Clinical guidelines and evidence sources

›Core sources

›BOAST guideline on open fractures of the lower limb

›Early antibiotics emphasis

›Multidisciplinary open fracture care standards

›AAOS and orthopedic society guidance on tibial shaft fracture management principles

›Operative fixation indications

›Alignment and follow-up principles

›ATLS principles for long bone trauma and polytrauma triage

›Hemorrhage and shock prioritization

›Secondary survey and associated injury detection

›ACEP clinical policy on procedural sedation and analgesia in the emergency department

›Monitoring and preparedness recommendations

›Evidence levels Level B and Level C statements

›Evidence and outcomes themes

›Open fracture infection prevention evidence

›Time to antibiotics associated with infection risk reduction

›Compartment syndrome diagnostic principles

›Clinical diagnosis priority over laboratory markers

›Intracompartmental pressure measurement adjunct in equivocal cases

›Source file citation

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Evidence & Review

Reviewed by SymptomDx Medical Team · Last reviewed March 6, 2026

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