Management of Persistent Post‑Concussion Symptoms

1. Immediate Multidisciplinary Evaluation

• A comprehensive multidisciplinary assessment—including graded aerobic exercise, vestibular rehabilitation, psychological treatment, and cervical‑spine therapy—should be initiated as soon as possible in patients with persistent post‑concussion symptoms. 1
• Formal vestibular function testing is required to identify specific dysfunction patterns (e.g., otolith deficits, habituation deficits, balance impairments) that guide targeted vestibular rehabilitation. 1
• Depression screening with validated tools such as the Hospital Anxiety and Depression Scale is essential; patients with persistent symptoms have approximately 4.5‑fold higher odds of depressive symptoms. 2
• Cervical‑spine evaluation is indicated because neck pain and cervicogenic contributions to dizziness/headache are common and can be treated with manual therapy. 1
• Fatigue should be characterized into sleep‑related disturbance, deconditioning from activity avoidance, or primary post‑concussive fatigue, as each domain requires a distinct intervention strategy. 3

2. First‑Line Interventions (Start Immediately)

2.1 Graded Aerobic Exercise

• Begin aerobic exercise at a sub‑symptom‑threshold intensity (i.e., does not worsen symptoms) and perform at least once weekly for a minimum of 4 weeks; more frequent sessions are associated with better outcomes. 1
• Gradually increase the intensity and complexity of the exercise program as tolerated. 3
• This approach has demonstrated positive effects on overall symptom burden, physical functioning, behavioral reactions, emotional symptoms, and quality of life. 4

2.2 Vestibular Rehabilitation

• Provide vestibular rehabilitation that includes otolith‑manipulating procedures, habituation exercises, adaptation exercises, and balance training. 1
• Deliver the program at least once weekly for 4 weeks. 4
• Vestibular rehabilitation yields improvements in overall symptom burden and specific vestibular dysfunction. 4

3. Second‑Line Interventions (Add Based on Specific Findings)

3.1 Psychological Treatment

• Cognitive‑behavioral therapy (CBT) is specifically recommended for patients with persistent post‑concussion symptoms. 1
• Depression is a consistent predictor of prolonged recovery and requires direct treatment rather than expectation of spontaneous resolution. 2

3.2 Cervical‑Spine Manual Therapy

• When neck pain is present, apply mobilization and/or manipulation of the cervical spine and related joints. 1
• Manual therapy has shown positive effects on physical functioning and pain reduction. 4

3.3 Coordinated Interdisciplinary Care

• If single‑modality treatments are insufficient, implement an interdisciplinary rehabilitation program that combines physical therapy, vestibular therapy, psychological treatment, and occupational therapy. 1
• This coordinated approach is especially important for patients exhibiting a combination of physical (gait), cognitive (fatigue), and emotional (depression) symptoms. 3

4. Prognostic Information

• 15–20 % of individuals with concussion develop persistent symptoms lasting months to years. 3
• Risk factors for prolonged recovery include female gender, high early symptom burden, prior psychiatric history (depression), and involvement of multiple symptom domains. 2
• At 3–6 months post‑injury, 34–44 % of patients remain symptomatic; at 12 months, 5–20 % remain symptomatic. 5

5. Monitoring, Adjustment, and Pitfalls

• Outcome tracking should include:
  
  • Gait stability measures for vestibular rehabilitation. 4
  • Exercise tolerance and fatigue levels for the graded aerobic program. 4
  • Overall symptom burden using validated post‑concussion symptom scales. 1
• Interventions should be reassessed and adjusted every 4 weeks based on objective progress rather than solely on subjective reports. 1
• Avoid prolonged complete rest beyond the initial 24–48 hours, as it worsens outcomes and contributes to deconditioning. 3
• Do not ignore depression; it is an independent predictor of poor outcomes and requires targeted treatment. 2
• Do not apply generic “post‑concussion syndrome” management; interventions must be tailored to the individual’s specific symptom profile. 1

Treatment of Neurological Deficits After Concussion

Initial Management

• A comprehensive approach to treating neurological deficits after concussion should include an initial period of brief rest followed by gradual, structured return to activity with specialized rehabilitation for persistent symptoms, as recommended by the American Academy of Pediatrics 6, 7
• Complete physical and cognitive rest is recommended for the first 24-48 hours after concussion to allow for initial recovery during the acute neurometabolic cascade 7, 8
• Monitor for warning signs requiring immediate medical attention including repeated vomiting, worsening headache, confusion, focal neurologic deficits, abnormal behavior, increased sleepiness, loss of consciousness, or seizures 7, 8

Structured Return to Activity

• After the initial 24-48 hour rest period, a gradual return to activity should be implemented rather than prolonged complete rest, which may actually worsen outcomes, according to the American Academy of Pediatrics 6
• Each step in the return-to-activity protocol should take a minimum of 24 hours, progressing from light aerobic exercise to sport-specific training to non-contact training drills to full contact practice and finally to return to normal activity 7
• Return to school protocols should be customized based on the severity of postconcussion symptoms, with gradual increases in duration and intensity of academic activities as tolerated, as recommended by the American Academy of Pediatrics 6

Management of Persistent Symptoms

• Graded physical exercise should be implemented for patients with persistent symptoms, performed at least once weekly for a minimum of 4 weeks 7, 9
• Exercise should be performed below symptom exacerbation threshold and gradually increase in intensity and complexity over time, according to the American Academy of Pediatrics 6
• Vestibular rehabilitation is recommended for patients with persistent vestibular dysfunction, including otolith manipulating procedures, habituation exercises, adaptation exercises, and balance training 7, 9
• Manual therapy for the neck and spine should be considered for persistent symptoms, especially when neck pain is present 7
• For students with prolonged symptoms affecting academic performance, educational supports should be implemented, including shortened school days, reduced workloads, extended time for assignments and tests, and postponement of standardized testing 6, 8

Monitoring and Follow-up

• Postconcussion symptoms and academic/functional progress should be monitored collaboratively by the patient, family, healthcare professionals, and school teams, as recommended by the American Academy of Pediatrics 6
• Educational supports should be adjusted on an ongoing basis until the student's academic performance returns to pre-injury levels 6
• If symptoms persist beyond 3 weeks, referral to a specialist in traumatic brain injury is recommended 7

Common Pitfalls to Avoid

• Returning to activity too soon before symptoms have resolved, which can worsen outcomes 7, 8
• Ignoring symptoms or lack of proper medical evaluation 7
• Underestimating recovery time or relying solely on patient-reported symptoms without objective assessment 8

Management of Post-Concussive Syndrome at 3 Weeks

Immediate Medication Changes and Specialist Referral

• The American Academy of Pediatrics recommends immediate discontinuation of NSAIDs and transition to acetaminophen-only analgesia for patients with post-concussive syndrome, as NSAIDs should be avoided after head injury due to theoretical risk of intracranial bleeding 10, 11

Prognostic Counseling and Activity Modification

• Most concussion symptoms resolve within 1-3 months, but 15-20% of patients develop persistent symptoms, and female gender, high early symptom burden, cognitive impairment, and excessive sleep requirements are risk factors for prolonged recovery 12, 13
• The American College of Sports Medicine and other organizations recommend graded aerobic exercise starting immediately after the initial 24-48 hour acute rest period, performed at least once weekly for a minimum of 4 weeks, to improve outcomes in patients with post-concussive syndrome 10, 11