Prepared for Jeffrey K. | Delivered August 8, 2019
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To learn as much as possible about mild traumatic brain injury (mTBI) including how concussions are diagnosed and treated and from the patient stand-point what the customer journey looks like.
Mild traumatic brain injury
(mTBI), or concussion, is the most common type of traumatic brain injury. With mTBI comes symptoms that include headaches, fatigue, depression, anxiety and irritability, as well as impaired cognitive function. A 2015 study estimated that
100 to 300 per 100,000
people seek medical attention for mTBI annually worldwide. Additionally, more recent data suggests that an estimated 1.5 million individuals sustain a traumatic brain injury (TBI) each year, and approximately
% of these are classified as a mild TBI.
SYMPTOMS and DIAGNOSTIC FACTORS
symptoms of a mild TBI
dizziness/loss of balance
feelings of depression
These symptoms may not be present or noticed at the time of injury. They may be delayed days or weeks before they appear. The symptoms are often subtle and are often missed by the injured person, family and doctors.
Medicine defines a
mild traumatic brain injury
as a patient
who has had a traumatically induced physiological disruption of brain function, as manifested by at least one of the following: 1) any period of loss of consciousness; 2) any loss of memory for events immediately before or after the accident; 3) any alteration in mental state at the time of the accident (eg, feeling dazed, disoriented, or confused); and 4) focal neurological deficit(s) that may or may not be transient; but where the severity of the injury does not exceed the following: a
loss of consciousness approximately 30 minutes or
after 30 minutes, an initial Glasgow Coma Scale (GCS) of 13-15; and c) post-traumatic amnesia (PTA) not greater than 24 hours.
looks normal and often moves normal
in spite of not feeling or thinking normal. This makes the diagnosis easy to miss. Family and friends often notice changes in behavior before the injured person realizes there is a problem. Frustration at work or when performing household tasks may bring the person to seek medical care.
Mild TBI has been termed a “
” because many patients do not have visible physical signs. Rather, many patients possess disabling cognitive, psychological, and/or behavioral impairments and employment disabilities that are often unnoticed or misdiagnosed.
Individuals seeking medical attention generally receive a standard history and physical exam. Further, imaging such as a head Computerized Tomography (CT) or possibly Magnetic Resonance Imaging (MRI) will usually be obtained
if the patient has loss of consciousness
, post traumatic amnesia, focal neurological deficits, physical signs of a skull fracture, or was involved in a dangerous mechanism of injury, or are older than the age of 65. The current diagnostic tests are neither sensitive nor specific enough to identify individuals who have sustained a mild TBI. Individuals therefore may not be receiving the proper diagnosis, and without a diagnosis, it is difficult to provide precise and appropriate clinical management. Accurate diagnosis would also be of immense assistance in distinguishing those that truly suffer from mild TBI
as opposed to those with malingering symptoms.
difficulty in the definitive diagnosis of mild TBI
can be partly attributed to the fact that when patients are evaluated with imaging tests, it is done with CT or MRI, which are mainly aimed at identifying macroscopic lesions. However, these conventional imaging tests are limited in their capacity to assess microscopic white matter injury associated with DAI. DAI is caused by acceleration and deceleration forces or rotation forces acting on the head, leading to shearing of the brain tissue.
Both the Both CDC and ACEP have
developed a discharge instruction sheet and wallet card
for patients. These materials help patients and caregivers to understand the facts about concussion, information on what to expect and post concussive symptoms, when to return to the emergency department and also include a
section for physician instructions.
LEADERS in DEVELOPING TREATMENT GUIDELINES
an expert panel to develop an
Updated Mild Traumatic Brain Injury Management Guideline for Adults
. This management guideline is based on ACEP’s 2008 Clinical Policy for adult mild traumatic brain injury (MTBI)External, which revises the previous 2002 Clinical Policy. The policy focuses on identifying neurologically intact patients who have potentially significant intracranial injuries, and identifying patients with risk for prolonged post concussive symptoms to ensure proper discharge planning.
Pediatric mTBI Guideline
consists of 19 sets of clinical recommendations that cover diagnosis, prognosis, and management and treatment. These recommendations are for healthcare providers working in: inpatient, emergency, primary, and outpatient care settings.
American Academy of Pediatrics
(AAP) has developed new guidelines for mild traumatic brain injuries to help families understand the recovery process.