Síndrome de Dolor Regional Complejo (Tipo I, Investigacional)

Resumen para el Paciente

¿Está esto autorizado por FDA para este uso?

Not FDA-cleared for complex regional pain syndrome (CRPS). FDA cleared medicinal leeches only for venous congestion in microsurgical reconstruction (K040187, 2004). Use here is investigational.

¿Qué evidencia existe?

Tier C (investigational). There are no published controlled trials for CRPS. Evidence-based multidisciplinary care is essential: structured physical and occupational therapy with desensitization and graded motor imagery (the cornerstone), early aggressive pain control, sympathetic block or stellate ganglion block, bisphosphonates with the strongest RCT support for early CRPS, ketamine infusion in select centers, spinal cord stimulation for refractory cases, and integrated mental health support. CRPS is centrally mediated and responds best to early multidisciplinary intervention.

Riesgos principales

• Bleeding from each bite site for 6 to 24 hours after detachment
• Bruising over the affected limb for 5 to 10 days
• MAJOR RISK: CRPS limbs are exquisitely allodynic and any skin trauma can trigger severe flare
• Risk of CRPS spread to a new limb or area
• Local skin or, rarely, Aeromonas hydrophila infection
• Allergic reaction to leech saliva (uncommon)
• Delay of evidence-based multidisciplinary rehabilitation and pharmacotherapy
• Psychological harm from a procedure that may amplify rather than reduce pain

Quién no debería considerar esto

• Patients in early CRPS who have not yet started multidisciplinary rehabilitation
• Patients with severe allodynia where any touch precipitates severe pain
• Patients with active CRPS spread to additional limbs
• Patients who have not tried bisphosphonates, sympathetic block, or other evidence-based therapies
• Patients on anticoagulants, with hemophilia, or with severe anemia
• Patients with active dermatitis or broken skin over the affected limb
• Patients with severe psychological distress that needs mental health intervention first

Qué preguntar a su clínico

• Am I receiving structured multidisciplinary care - physical therapy, occupational therapy, pain medicine, and mental health?
• Have I tried bisphosphonates (alendronate, pamidronate) early in CRPS?
• Have I had a sympathetic block or stellate ganglion block?
• Am I a candidate for ketamine infusion, spinal cord stimulation, or other interventional approaches at a CRPS center?
• Why is leech therapy being considered given CRPS-related allodynia and spread risk?
• What is the practitioner's plan if I have a severe flare?
• What is the Aeromonas-prevention protocol?

Cuándo buscar atención urgente

• Sudden severe spread of CRPS symptoms to a new limb or body region
• Sudden severe flare with intolerable pain unresponsive to usual medications
• Acute swelling, coolness, or color change of the affected limb (possible CRPS escalation or DVT)
• Bleeding from a bite site lasting more than 24 hours
• Fever, chills, or spreading redness at the bite site
• Hives, facial or throat swelling, or breathing difficulty
• Severe psychological distress, suicidal thoughts, or hopelessness