Amerikanische Gesellschaft für Hirudotherapie

Post-Stroke Hemiplegia (Investigational Adjunct)

Investigational adjunct to physical/occupational therapy in chronic post-stroke hemiplegia; no RCT support; not for acute stroke care.

Tier C — InvestigationalInvestigativLast updated: 2026-05-26 · Reviewed by ASH Editorial Board

Patienten-Zusammenfassung

Ist dies FDA-zugelassen fuer diese Anwendung?
Not FDA-cleared for post-stroke hemiplegia. FDA cleared medicinal leeches only for venous congestion in microsurgical reconstruction (K040187, June 2004). Use for post-stroke hemiplegia is investigational.
Welche Evidenz existiert?
Tier C (investigational). Only anecdotal reports; there are no randomized controlled trials. Evidence-based stroke rehabilitation per AHA/ASA guidelines: structured inpatient or outpatient rehabilitation, constraint-induced movement therapy, repetitive task training, mirror therapy, robot-assisted therapy, functional electrical stimulation, and botulinum toxin for spasticity. Antiplatelet (aspirin, clopidogrel) or anticoagulant therapy for secondary prevention. Statin, blood pressure control, and lifestyle modification.
Hauptrisiken
  • Bleeding from bite sites for 6 to 24 hours after detachment, prolonged on antiplatelet or anticoagulant
  • Severe bleeding risk on dual antiplatelet or anticoagulant therapy (post-stroke standard)
  • Worsening of spasticity or neurogenic pain
  • Local skin infection or, rarely, Aeromonas infection
  • Allergic reaction to leech saliva (uncommon)
  • Risk in patients with marginal cerebral perfusion (transient symptom worsening)
  • Substitution for evidence-based rehabilitation and secondary prevention
  • Delay of constraint-induced movement therapy, botulinum toxin for spasticity, or rehab milestones
Wer dies nicht in Betracht ziehen sollte
  • Patients on dual antiplatelet (aspirin + clopidogrel) or anticoagulant therapy (absolute contraindication)
  • Patients within 3 months of acute stroke (recovery window — focus on rehab)
  • Patients with severe spasticity or contracture requiring physiatry evaluation
  • Patients with active depression, post-stroke psychiatric symptoms (treat first)
  • Patients on anticoagulants, with hemophilia, or with severe anemia
  • Patients who have not engaged with structured stroke rehabilitation
Was Sie Ihren Kliniker fragen sollten
  • Am I engaged with structured outpatient stroke rehabilitation?
  • Have I been offered constraint-induced movement therapy or robot-assisted therapy?
  • Am I a candidate for botulinum toxin injection for spasticity?
  • What are my current antiplatelet or anticoagulant therapies, and is the bleeding risk acceptable?
  • What evidence specifically supports leech therapy for stroke recovery?
  • Has my secondary prevention been optimized (statin, blood pressure, lifestyle)?
  • What is the cost and is it covered by insurance? (typically not covered)
Wann dringende medizinische Versorgung suchen
  • Sudden new weakness, numbness, slurred speech, or vision loss (possible recurrent stroke)
  • Sudden severe headache (worst of life — rule out hemorrhage)
  • Chest pain, shortness of breath (possible cardiac event)
  • Severe bleeding from any site (anticoagulant overdose or interaction)
  • Spreading redness, warmth, pus, or red streaks (cellulitis)
  • Fever above 38.0 C / 100.4 F or chills
  • Bleeding from a bite site lasting more than 24 hours
  • Hives, facial or tongue swelling, throat tightness, or breathing difficulty

Was dies NICHT bedeutet

  • This is NOT FDA-cleared for post-stroke hemiplegia.
  • Anecdotal reports do NOT establish efficacy versus structured rehabilitation, constraint-induced movement therapy, or botulinum toxin.
  • It does NOT substitute for evidence-based stroke rehab during the critical recovery window.
  • It does NOT address antiplatelet or anticoagulant therapy that is essential for secondary prevention — and these therapies make leech bleeding much more dangerous.
  • It does NOT replace structured rehabilitation that has decades of evidence.

Clinical Profile

Category
neurological
ICD-10
I69.351, I69.352, I69.353, I69.359
Safety tier
high

Evidence Summary

Post-stroke hemiplegia management is dominated by neurorehabilitation (constraint-induced movement therapy, mirror therapy, robotic rehabilitation, task-specific training) per AHA/ASA 2016 guidelines. No controlled clinical trial of leech therapy for post-stroke hemiplegia has been published, and it has no established role in motor recovery; any use would be investigational only. A critical safety constraint applies: most post-stroke patients take antiplatelet or anticoagulant therapy for secondary prevention, an absolute exclusion for leech therapy. Leech application is not a substitute for evidence-based rehabilitation.

Treatment specifics

How many leeches, where they are placed, how long a session lasts, and whether to repeat are clinical decisions made by a qualified provider under institutional protocol — not something to self-administer. Discuss the specifics with a clinician experienced in medicinal leech therapy. (Clinicians: switch the audience selector in the top bar to “Clinician” to view protocol detail.)

Key Trials

  1. Zhernov VA et al. (2012)0

Contraindications

  • Active anticoagulant therapy (warfarin INR >2.0, DOACs, heparin)
  • Hemophilia or other bleeding disorder
  • Severe anemia (Hb <10 g/dL)
  • Active bacteremia or sepsis
  • Known hypersensitivity to leech salivary proteins
  • Pregnancy (relative — first/third trimester)
  • Immunocompromised state with severe neutropenia
  • Active deep vein thrombosis (acute phase <2 weeks)
  • Critical limb ischemia (ABI <0.4)
  • Antiplatelet or anticoagulant therapy for secondary stroke prevention
  • Acute or subacute stroke (<3 months from onset)
  • Hemorrhagic stroke history
  • Uncontrolled hypertension (SBP >180)
  • Severe cognitive impairment limiting consent

Related Conditions

Diese Website stellt Bildungsinformationen bereit und ist weder eine medizinische Beratung noch eine Diagnose oder Behandlungsempfehlung. Die medizinische Blutegeltherapie ist mit klinisch relevanten Risiken verbunden und sollte ausschließlich von qualifizierten Klinikerinnen und Klinikern unter institutionell genehmigten Protokollen durchgeführt werden. Die FDA-510(k)-Zulassung für medizinische Blutegel ist auf bestimmte Indikationen beschränkt; experimentelle und Off-Label-Diskussionen werden entsprechend gekennzeichnet. Für patientenspezifische Beratung wenden Sie sich an eine qualifizierte Gesundheitsfachkraft.

Post-Stroke Hemiplegia (Investigational Adjunct) — Hirudotherapy Evidence | ASH