American Society of Hirudotherapy

Outcomes in microsurgery

Research article published in Plastic and reconstructive surgery (2009)

Last Updated: June 18, 2026Reviewed by: ASH Editorial Board
Research article — evidence reviewArticle reference
Evidence: Research reportClinical TrialsThoma et al. · Plastic and reconstructive surgery, 2009

Abstract

The reporting of microsurgical outcomes has been variable. Historically, emphasis has been placed on flap and digit survival or failure in the case of free-tissue transfer or digit replantation, respectively. Outcomes have also been measured with indices such as range of motion or grip strength for digital replantations, the ability to eat or talk for head and neck microsurgery, and the ability to walk or return to work for lower extremity microsurgery. Although relevant, this type of reporting of outcomes may fail to capture the effectiveness of microsurgical intervention from the patient's, the third-party payer's, or society's perspective. Significant events have arisen in the past two decades, including the emphasis on outcomes research, recent recommendations to adopt evidence-based microsurgery, and the inclusion in academic training programs of the competency "manager" to the health care system. This necessitates rethinking the way we report outcomes in microsurgery. This article explains the need to (1) use health-related quality-of-life scales to measure the benefits of microsurgical interventions, (2) measure outcomes with high-quality clinical research designs, and (3) incorporate proper cost-effectiveness studies in our clinical research before adopting new technologies such as new free flaps or techniques.

Abstract sourced from PubMed (NCBI) for the cited record. See the original publication for the authoritative version.

Publication typeJournal Article
Indexed MeSH termsCost-Benefit AnalysisEvidence-Based MedicineHumansMicrosurgeryQuality of LifeTreatment Outcome

Summary

Peer-reviewed clinical and outcomes research relevant to medicinal leech therapy and its biology. Indexed in PubMed and verified against the NCBI record.

Why This Matters for Hirudotherapy

This article argues that microsurgical outcome reporting has been inconsistent, historically fixated on flap or digit survival, and that the field should adopt health-related quality-of-life scales, higher-quality clinical research designs, and proper cost-effectiveness analysis before adopting new techniques. For ASH it is useful as a methodological lens: leech therapy is an adjunct within the same free-flap and replantation microsurgery these authors discuss, and their call for rigorous, patient-centered, evidence-based outcome measurement is exactly the standard by which any hirudotherapy benefit claim should be judged. The abstract does not mention leeches or anticoagulation; it is about how the specialty should evaluate interventions in general. As a narrative review and commentary, it offers a framework and recommendations rather than new comparative data.

Citation

Outcomes in microsurgery.

Thoma et al. · Plastic and reconstructive surgery, 2009

Added to ASH library: May 28, 2026 · Site last updated: June 18, 2026

This website provides educational information and does not constitute medical advice, diagnosis, or treatment recommendations. Medicinal leech therapy carries clinically meaningful risks and should be performed only by qualified clinicians under institutionally approved protocols. FDA 510(k) clearance for medicinal leeches is limited to specific indications; investigational and off-label discussions are labeled accordingly. For patient-specific guidance, consult a qualified healthcare provider.