Using radiopaque markers such as paperclips to mark penetrating wounds prior to radiographs has been taught in trauma bays for decades. This article points out there is no evidence to support this practice and is purely based on expert opinion. With the heavy use of CT imaging to assess wound tracks, the use of markers on plain films appears to be of limited utility.

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This study compared  admitted trauma patients with alcohol withdrawal or those at risk of withdrawal before and after a  benzodiazepine sparing protocol (using clonidine and gabapentin) was initiated. They found a lower daily CIWA score and significantly less lorazepam use in the benzodiazepines sparing group. This sparing protocol appears to be safe and effective.

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This was a database study of nearly 2 million trauma patients over age 65 who were discharged looking at all levels of trauma centers. The authors found:

“Dominance analysis showed that proportion of patients with Injury Severity Score of >15 contributed most to explaining hospice utilization rates (3.2%) followed by trauma center level (2.3%), proportion White(1.9%), proportion female (1.5%), and urban/rural setting (1.4%).”

 Level one centers had the lowest level of discharge to hospice. The authors felt: “As the population ages, accurate assessment of geriatric trauma outcomes becomes more critical. Further studies are needed to evaluate the optimal utilization of hospice in end-of-life decision making for geriatric trauma.”

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This secondary analysis of the NEXUS head injury data found patients over 65:

-sustained more significant injuries than younger pts

-presented more frequently with occult injuries

-when they required neurosurgery intervention only 16% went home, 32% were discharged to rehab facility and 41%  died

-mechanism of injury was most commonly fall from standing

-mortality rates were highest for fall from ladder and auto vs. pedestrian injuries

The authors concluded: “Older blunt head injury patients are at high risk of sustaining serious intracranial injuries even with low-risk mechanisms of injury, such as ground-level falls. Clinical evaluation is unreliable and frequently fails to identify patients with significant injuries. Outcomes, particularly after intervention, can be poor, with high rates of long-term disability and mortality.”

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This is a retrospective study looking at traumatic brain injury patients comparing those with and without  pre-existing psychiatric illness at the time of injury. Those with pre-existing illness had longer hospital stays, longer ICU stays and more frequent readmissions.

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This meta analysis did not find convincing evidence for or against seizure prophylaxis for admitted moderate to severe traumatic brain injury pts. They recommend Levetiracetam over other medications again on weak evidence.

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In this study, geriatric hip fracture patients with a hemoglobin less than 7.1 had higher mortality, especially in those over age 79, even when controlling for other factors such as ASA Physical status class, anti-platelet use, etc.

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This retrospective study of 66 trauma patients who had pelvic fractures attempted to determine if prehospital applied pelvic binders had an impact on mortality. There were 3 cohorts: appropriately applied binders (14), inappropriately applied (14 not at the level of the greater trochanter), and none applied (38).  Survival for applied was 92% and those without was 81% which was not statistically significant.  The authors concluded: “In conclusion, our study found that the use of prehospital pelvic binders did not show a significant effect on patient outcomes for those with unstable pelvic fractures. Instead, injury severity score (ISS) emerged as the most significant predictor of survival.”

Previous studies have shown regular education is needed on proper use of binders.  We should continue to educate on appropriate positioning and the use of pelvic binders. For me, this study is not large enough to convince that we should go away from binder use. We need more data before we abandon the pelvic binder.

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In this prospective study looking at geriatric patients with unknown head injury vs. known head injury, the unknown head injury group had an ICH 1.5%, neurosurgical intervention 0.3% and delayed ICH 0.1% when compared to known head injury (10.5%,  1.2% and 0.7% respectively).  The authors concluded that the risk of ICH was high enough in uncertain head injury patients to warrant scanning.

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The question “Would I be surprised if the patient died within the next year”  has been validated as a tool to predict patients with a limited life expectancy. This study looked at trauma team members’ ability to use this question to predict one year mortality. Trauma team members over estimated mortality in this study.

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Imagine lying in a bed staring at the ceiling and these fuzzy faces looking down on you clearly saying something to you but you can't hear them while your hip and pelvis are hurting worse than anything you have ever felt. That's what many of our fall from standing elderly patients experience in emergency departments on a regular basis. Do not remove glasses or hearing aides from your elderly patients. Work with our EMS colleagues to make it a practice to bring glasses and hearing aides along from the scene.  Speak slowly and get close to their ear to help if necessary. That confusion, delirium or dementia you assume this patient has is actually just hearing impairment and poor vision.

Approaching patients based on their frailty, not their age, leads to better medical decision making. A recent best practice guideline from the American College of Surgeons sums up frailty: 
“It is well recognized that aging is associated with physiological decline, but this decline is not uniform across all individuals or even across one individual’s organ systems. Frailty is a geriatric syndrome, clinically distinct from age, comorbidity, and functional disability, characterized by age- associated depletion of physiological reserves that leads
to a state of augmented vulnerability to physical stressors and a diminished ability to recover from illnesses.” A trauma specific frailty  index exists to identify these high risk patients.

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NEXUS criteria for blunt chest trauma patients who are over 14 years old, not intubated:

• >60 years old

• rapid deceleration defined as fall > 6 meters or motor vehicle crash >64 km/hour

• chest pain

• intoxication

• abnormal alertness or mental status

• distracting painful injury

• tenderness to chest wall palpation

  If abnormal chest X-Ray proceed to chest CT.  Negative predictive value of 99.9% excluding major injury.

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This commentary offers another reminder that there is significant bias in which trauma patients receive alcohol testing when that decision is made on a case by case basis. Age, sex, socioeconomic, race, injury pattern, all have been shown to influence provider ordering. Trauma systems should have pre-defined ordering criteria to eliminate this bias. The importance of gathering this testing information is to provide intervention and treatment to those in need. First we have to identify all patients in need.

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Here are three good resources to learn about a soft tissue injury seen in high velocity blunt trauma patients called Morel-Lavallee lessions.

“Morel Lavallee lesions are soft tissue injuries seen in high-velocity trauma and are usually associated with underlying fractures of the pelvis, acetabulum, or proximal femur. Often these injuries are not immediately diagnosed due to the distracting concomitant bony injuries. However, identification of such injuries is important as they may pose as an independent risk factor for surgical site infection. The clinical findings include soft tissue swelling, bruise/ ecchymosis, fluctuance, and compressibility in the swelling. The diagnosis is usually established on physical examination, however, radiological investigations including ultrasonography and CT might help. The management options include nonoperative treatment, percutaneous aspiration, and open debridement.” 1

“Morel-Lavallée lesions are often the result of skin and subcutaneous tissue quickly tearing away from the underlying fascia. This allows a range of fluids to fill the space in the form of hemolymphatic masses. The two most common sites are the prepatellar plate of the knee and the lateral fascia of the hip.” 2

“ML lesion is often undiagnosed during initial presentation of a trauma patient, and emergency physicians and trauma surgeons should be aware of the possibility of occurrence of this injury. MRI is the imaging modality of choice, and the presence or absence of a capsule is an important imaging finding that guides appropriate therapy. Early diagnosis and management will help prevent long-term morbidity and complications in these patients.”3

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A retrospective study of 2 years of data from 24 trauma centers looking at end tidal CO2 as a predictor of mortality in trauma patients found:

"A total of 1,324 patients were enrolled. ETCO2 was better in predicting mortality than shock index (SI) and systolic blood pressure (SBP).  Prehospital lowest ETCO2 , SBP , and SI  were all predictive of Mass Transfusion."

Another data point to consider when setting up trauma triage protocols and looking for patients who will require intensive interventions early. 

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A chart review of 1300 patients over age 65 admitted to the trauma service, arrived as a trauma activation, or had an injury severity score over 12 over a 6 year period looking at 30 day mortality found: 

"five factors associated with increased 30-day mortality in older trauma patients: GCS < 15, ISS > 15, age ≥ 85 years, anticoagulation, and multimorbidity."

Fall from standing was the leading cause of trauma  

Again, fragility is the index we should be using, not age alone. This study is limited in its retrospective chart review nature. Prospective research in the area of geriatric trauma is needed. Until then, assess those over age 65 for risk factors associated with fragility and treat accordingly. 

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This retrospective study looked at trauma patients over age 65 and divided them into age ranges 65-80 (geriatric) and 80 plus (super-geriatric). They then looked at mechanusm of injury, mortality, interventions,etc. What they found was ages 65-80 were more likely to be injured in motor vehicle crashes vs. falls for those over 80. Those over 80 received less interventions including hemmorhage control surgery and had much higher levels of withdrawal of care. 

This study highlights that the geriatric population is not as a monolithic group over age 65, but more nuanced by various age ranges over 65. Research going forward should be adjusted to these nuanced age ranges. Out treatment approaches should be adjusted in geriatric vs. super-geriatric patients as well. 

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This small study suggests using reverse shock index times the Glasgow Comma Scake score may give a prognostication on pediatric trauma severity and resource utilization. 
 

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This pediatric ICU study measured ICP during and after ketamine infusion.  There was no increase in ICP associated with the ketamine infusion. This small study adds to the data that ketamine is safe in pediatric brain injured patients. 

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