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Review Question - QID 3973

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QID 3973 (Type "3973" in App Search)
A 35-year-old male was involved in a high speed motorcycle accident. He has a closed head injury, bilateral pulmonary contusions and splenic rupture. His orthopaedic injuries are shown in Figure A. He has a blood pressure of 90/50 mm Hg and a heart rate of 115, despite aggressive resuscitation. An arterial blood gas reveals that his blood lactate is 3.5 and base deficit is -6 mmol/L. Following successful closed reduction of the right hip in the operating room with a percutaneous inserted Schantz pin, what is the next most appropriate treatment for his orthopaedic injuries?
  • A

Bilateral open reduction and internal fixation

0%

10/2089

Open reduction internal fixation on the right, reamed intramedullary nailing on the left

1%

21/2089

Temporizing external fixation on the right, open reduction and internal fixation on the left

7%

156/2089

Bilateral reamed intramedullary nailing

3%

58/2089

Bilateral temporizing external fixation

87%

1816/2089

  • A

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This patient presents with features of hemodynamic instability and a high injury severity score. The next most appropriate treatment would be temporizing external fixation bilaterally. This patient meets the criteria for damage control orthopaedics.

Damage control orthopaedics is an approach that contains and stabilizes orthopaedic injuries so that the patient's overall physiology does not undergo further inflammatory insult. As a result, external fixation of femoral shaft fracture and pelvic stabilization is an effective treatment under this strategy. Other indications include vascular injury and severe open fracture.

Pallister et al. reviewed the effects of surgical fracture fixation on the systemic inflammatory response to major trauma. They show that early stabilization of major long bone fractures is beneficial in reducing the incidence of acute respiratory distress syndrome and multiple organ failure. However, early fracture surgery increases the post-traumatic inflammatory response, which carries a higher complication rate compared to temporary fixation.

Tisherman et al. created clinical guidelines for the endpoints of resuscitation. Level I data found that standard hemodynamic parameters do not adequately quantify the degree of physiologic derangement in trauma patients. The initial base deficit, lactate level, or gastric pH should be used to stratify patients with regard to the need for ongoing fluid resuscitation.

Pape et al. retrospectively reviewed the impact of early total care vs. damage control orthopaedics in the treatment of femoral shaft fractures in polytrauma patients. They found a significantly higher incidence of acute respiratory distress syndrome (ARDS) with intramedullary nailing (15.1%) compared to external fixation (9.1%) when DCO subgroups were compared.

Figure A is a pelvic AP radiograph showing a right hip fracture-dislocation with an ipsilateral femoral shaft fracture. On the left side there is a displaced pertrochanteric hip fracture.

Incorrect Answers:
Answer 1-3: Open reduction internal fixation would not be indicated in damage control orthopaedics.
Answer 4: Bilateral reamed intramedullary nailing would be indicated in early total care of these injuries. As this patient is hemodynamically unstable, with a high injury severity score and bilateral lung contusions, damage control orthopaedics would be indicated.

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