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Adult Trauma: Getting through the Night.

·J Bone Joint Surg Am·2010·12 citations·Trauma
PubMed
SummaryAbstract on PubMed →

This AAOS instructional course lecture defines which adult orthopaedic trauma conditions demand emergent surgery and which can safely wait under damage control principles. It covers open fractures, compartment syndrome, pelvic ring injuries, upper- and lower-extremity emergencies, and surgeon fatigue. The target audience is any orthopaedic surgeon managing trauma during off-hours when senior backup may be limited.

Key Findings

  • The six-hour rule for open fracture debridement has no modern evidence base. The LEAP study found no relationship between time to surgery and infection in severe open lower-extremity fractures. Prudent debridement within 24 hours is the current standard — this changes how urgently you mobilize the OR at 2 a.m.
  • The fasciotomy threshold that has the most support is delta-P (diastolic BP minus intramuscular pressure) below 30 mmHg. A single compartment pressure reading is less useful than a rising or sustained elevation over time. When delta-P drops below 30 mmHg and stays there, act.
  • Fasciotomy after 35 hours is catastrophic: in Finkelstein's series of 5 patients, every single one died or lost the limb (1 death from multiple organ failure, 4 amputations). Late decompression exposes necrotic muscle to bacterial colonization rather than rescuing viable tissue.
  • Serum lactate above 2.5 mmol/L before femoral nailing within 24 hours doubles postoperative complication rates. This is occult hypoperfusion. The patient looks resuscitated but isn't. Check lactate before nailing a femur in a polytrauma patient.
  • If initial IL-6 exceeds 500 pg/dL, delay definitive surgery at least 4 days after provisional stabilization. Patients with a high Injury Severity Score maintain elevated IL-6 for more than 5 days, making early definitive fixation a dangerous second hit.
  • Following a structured pelvic fracture protocol (FAST, pelvic binding within 15 minutes, angiography within 90 minutes, external fixation within 24 hours) cut 24-hour transfusion requirements from 16 to 11 units and mortality from 35% to 7% (p < 0.05). Protocol adherence saves lives in pelvic hemorrhage.
  • After knee dislocation, an ankle-brachial index above 0.9 with normal clinical pulses means arteriography is not required. If the limb is clearly unperfused, skip arteriography and go directly to the OR for vascular exploration.
  • Surgeons dramatically underestimate their own fatigue: over 70% deny fatigue-induced performance decline, versus only 23% of airline pilots. After a night on call, 30% of anesthesiologists show more than 15% slowing in simple-task reaction time, and over half show similar slowing on complex tasks. Complex articular reconstructions should wait until the team is rested.
Board PearlFasciotomy delayed beyond 35 hours yields only death or amputation — delta-P below 30 mmHg is your operative threshold, not any absolute pressure number.

Clinical Relevance

Trauma call puts residents in exactly the situations this paper addresses: a polytrauma patient arrives at midnight and you need to decide right now whether to nail the femur, take the pelvis to angiography, or defer everything until morning.

When your polytrauma patient has a serum lactate above 2.5 mmol/L, provisional stabilization with external fixation is the right move — nailing the femur in that physiologic state doubles complications. Resuscitate first, operate later.

When a patient's compartment pressure produces a delta-P below 30 mmHg and that value is rising or sustained, fasciotomy is indicated. Do not wait for the classic five P's. Those are late findings, and by the time paralysis appears, muscle is already dying.

For pelvic ring injuries with hemorrhagic shock, apply a sheet or binder immediately (within 15 minutes) and follow a structured protocol. The data show mortality drops from 35% to 7% with protocol adherence. This is not a minor process improvement.

The section on surgeon fatigue is a rare explicit reminder that your judgment at hour 28 of a shift is measurably impaired. Recognizing when to defer a complex articular reconstruction until a rested team is available is itself good surgical decision-making.

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Adult Trauma: Getting through the Night.

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|

Adult Trauma: Getting through the Night.

·J Bone Joint Surg Am·2010·12 citations·Trauma
PubMed
SummaryAbstract on PubMed →

This AAOS instructional course lecture defines which adult orthopaedic trauma conditions demand emergent surgery and which can safely wait under damage control principles. It covers open fractures, compartment syndrome, pelvic ring injuries, upper- and lower-extremity emergencies, and surgeon fatigue. The target audience is any orthopaedic surgeon managing trauma during off-hours when senior backup may be limited.

Key Findings

  • The six-hour rule for open fracture debridement has no modern evidence base. The LEAP study found no relationship between time to surgery and infection in severe open lower-extremity fractures. Prudent debridement within 24 hours is the current standard — this changes how urgently you mobilize the OR at 2 a.m.
  • The fasciotomy threshold that has the most support is delta-P (diastolic BP minus intramuscular pressure) below 30 mmHg. A single compartment pressure reading is less useful than a rising or sustained elevation over time. When delta-P drops below 30 mmHg and stays there, act.
  • Fasciotomy after 35 hours is catastrophic: in Finkelstein's series of 5 patients, every single one died or lost the limb (1 death from multiple organ failure, 4 amputations). Late decompression exposes necrotic muscle to bacterial colonization rather than rescuing viable tissue.
  • Serum lactate above 2.5 mmol/L before femoral nailing within 24 hours doubles postoperative complication rates. This is occult hypoperfusion. The patient looks resuscitated but isn't. Check lactate before nailing a femur in a polytrauma patient.
  • If initial IL-6 exceeds 500 pg/dL, delay definitive surgery at least 4 days after provisional stabilization. Patients with a high Injury Severity Score maintain elevated IL-6 for more than 5 days, making early definitive fixation a dangerous second hit.
  • Following a structured pelvic fracture protocol (FAST, pelvic binding within 15 minutes, angiography within 90 minutes, external fixation within 24 hours) cut 24-hour transfusion requirements from 16 to 11 units and mortality from 35% to 7% (p < 0.05). Protocol adherence saves lives in pelvic hemorrhage.
  • After knee dislocation, an ankle-brachial index above 0.9 with normal clinical pulses means arteriography is not required. If the limb is clearly unperfused, skip arteriography and go directly to the OR for vascular exploration.
  • Surgeons dramatically underestimate their own fatigue: over 70% deny fatigue-induced performance decline, versus only 23% of airline pilots. After a night on call, 30% of anesthesiologists show more than 15% slowing in simple-task reaction time, and over half show similar slowing on complex tasks. Complex articular reconstructions should wait until the team is rested.
Board PearlFasciotomy delayed beyond 35 hours yields only death or amputation — delta-P below 30 mmHg is your operative threshold, not any absolute pressure number.

Clinical Relevance

Trauma call puts residents in exactly the situations this paper addresses: a polytrauma patient arrives at midnight and you need to decide right now whether to nail the femur, take the pelvis to angiography, or defer everything until morning.

When your polytrauma patient has a serum lactate above 2.5 mmol/L, provisional stabilization with external fixation is the right move — nailing the femur in that physiologic state doubles complications. Resuscitate first, operate later.

When a patient's compartment pressure produces a delta-P below 30 mmHg and that value is rising or sustained, fasciotomy is indicated. Do not wait for the classic five P's. Those are late findings, and by the time paralysis appears, muscle is already dying.

For pelvic ring injuries with hemorrhagic shock, apply a sheet or binder immediately (within 15 minutes) and follow a structured protocol. The data show mortality drops from 35% to 7% with protocol adherence. This is not a minor process improvement.

The section on surgeon fatigue is a rare explicit reminder that your judgment at hour 28 of a shift is measurably impaired. Recognizing when to defer a complex articular reconstruction until a rested team is available is itself good surgical decision-making.

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