Overview
Neurological complications following vaccination are rare but can include severe systemic inflammatory responses and multiorgan failure, as seen with certain COVID-19 vaccines, and localized complications like lymphadenitis with BCG vaccination.Diagnosis
Clinical Presentation: Severe rhabdomyolysis with multiorgan involvement (liver, lung, kidney, bone marrow) 1.
Laboratory Findings: Elevated inflammatory markers, creatine phosphokinase (CK), and procalcitonin (PCT) levels 1.
Imaging and Other Tests: Not specifically detailed in provided abstracts; imaging may be necessary for organ-specific assessment.Management
First-Line Treatments:
- Immunosuppressive Therapy: Steroids 1.
- Cytokine Modulation: Anakinra (IL-1 receptor antagonist) 1.
Adjunctive Treatments:
- Complement Inhibition: Eculizumab for severe cases 1.
- Supportive Care: Multidisciplinary approach including organ support (e.g., dialysis, mechanical ventilation) 1.Special Populations
Pediatrics: Increased risk of lymphadenitis and abscesses following BCG vaccination, particularly in rural settings 2.
Elderly: Higher susceptibility to severe systemic reactions like rhabdomyolysis post-COVID-19 vaccination, though specific pediatric and elderly guidelines are not detailed in provided abstracts.Key Recommendations
Monitor for Severe Inflammatory Responses: Closely monitor vaccinated patients, especially elderly, for signs of rhabdomyolysis and multiorgan failure post-vaccination (Evidence: Weak 1).
Early Aggressive Immunosuppressive Therapy: Initiate multi-target biologic immunosuppressive therapy including steroids and IL-1 inhibitors in suspected cases of severe systemic reactions (Evidence: Weak 1).
Consider BCG Complications in Pediatric Populations: Be vigilant for lymphadenitis and abscesses following BCG vaccination in young children, particularly in endemic areas (Evidence: Moderate 2).References
1 Cirillo E, Esposito C, Giardino G, Azan G, Fecarotta S, Pittaluga S et al.. Case Report: Severe Rhabdomyolysis and Multiorgan Failure After ChAdOx1 nCoV-19 Vaccination. Frontiers in immunology 2022. link
2 Bonnlander H, Rossignol AM. Complications of BCG vaccinations in rural Haiti. American journal of public health 1993. link