Utilization of the Seraph® 100 Affinity Blood Filter in a Pediatric Case of Refractory Streptococcal Septic Shock: A Case Study - Scorecard - MDSpire

Utilization of the Seraph® 100 Affinity Blood Filter in a Pediatric Case of Refractory Streptococcal Septic Shock: A Case Study

  • By

  • Raul Montero-Yeboles

  • Laura Maria Saez-García

  • Esther Ulloa-Santamaria

  • Ana Diaz-Vico

  • Maria Jose Lorenzo-Montero

  • Beatriz Ruiz-Saez

  • April 17, 2026

  • 0 min

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Clinical Scorecard: Utilization of the Seraph® 100 Affinity Blood Filter in a Pediatric Case of Refractory Streptococcal Septic Shock: A Case Study

At a Glance

CategoryDetail
ConditionRefractory Streptococcal Septic Shock
Key MechanismsInvasive Streptococcus pyogenes infection leading to severe inflammatory dysregulation and multiorgan dysfunction.
Target PopulationPediatric patients, particularly those with severe invasive streptococcal infections.
Care SettingPediatric Intensive Care Unit (PICU)

Key Highlights

  • Patient experienced severe multiorgan dysfunction despite standard therapy.
  • Hemoperfusion with Seraph® 100 initiated 42 hours after PICU admission.
  • Improvement in metabolic parameters and reduction in vasoactive support observed post-treatment.
  • Patient required bilateral lower-limb amputations due to severe peripheral ischemia.
  • Survived and discharged after prolonged hospitalization.

Guideline-Based Recommendations

Diagnosis

  • Confirm invasive Streptococcus pyogenes infection through blood cultures and rapid antigen testing.

Management

  • Initiate broad-spectrum antibiotics and intravenous immunoglobulin for severe invasive streptococcal infections.

Monitoring & Follow-up

  • Monitor hemodynamic status, metabolic parameters, and organ function closely.

Risks

  • Potential for severe peripheral ischemia and multiorgan dysfunction despite treatment.

Patient & Prescribing Data

Previously healthy pediatric patients with refractory septic shock.

Seraph® 100 filter does not significantly remove commonly used antibiotics, allowing continued antimicrobial therapy.

Clinical Best Practices

  • Aggressive resuscitation following international pediatric sepsis guidelines.
  • Consideration of extracorporeal blood purification strategies in refractory cases.

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