Sickle Cell Crisis: Managing Acute Pain When Initial Opioid-Based Analgesia Has Not Achieved Adequate Control
Clinical Scenario
A hospitalised patient with sickle cell crisis experiencing acute pain that persists despite a structured first-line analgesic regimen, requiring escalation to an adjunctive pain management approach.
Previous Treatment & Escalation Trigger
First-line management consisted of rapid opioid-based analgesia initiated within one hour of ED arrival, with reassessments every 30 to 60 minutes, a short course of NSAIDs added to opioids, and nonpharmacological measures including massage, yoga, TENS, virtual reality, or guided relaxation. Escalation to this protocol is indicated when optimised pain control — with a documented reduction in pain intensity on repeated assessment — has not been achieved.
Next-Step Approach (partial overview)
For hospitalised patients with refractory pain, the protocol introduces an adjunctive analgesic infusion or a regional anesthetic technique targeted to pain location. The complete evidence-based regimen — including selection criteria, sequencing, and monitoring — is available via the link below.
References
DOI: 10.1182/bloodadvances.2020001851
- For adults and children presenting with acute pain related to SCD who are hospitalized, the ASH guideline panel suggests a subanesthetic (analgesic) ketamine infusion as adjunctive treatment of pain that is refractory or not effectively treated with opioids alone (conditional recommendation based on very low certainty in the evidence about effects).
- Recommended dose for subanesthetic (analgesic) infusion for acute exacerbation of SCD pain starts at 0.1 to 0.3 mg/kg per hour with a maximum of 1 mg/kg per hour.
- For adults and children presenting with acute pain related to SCD, the ASH guideline panel suggests regional anesthesia treatment approaches for localized pain that is refractory or not effectively treated with opioids alone (conditional recommendation based on very low certainty in the evidence about effects).
- Regional anesthesia in this context is defined as epidural or peripheral nerve catheter-delivered analgesia for abdominal, hip, or leg pain.
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