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Related Concept Videos

Fractures: Bone Repair01:27

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the procedure...

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Related Experiment Video

Updated: May 27, 2026

Vascularized Composite Hand Allograft Procurement and Preparation for Distal and Proximal Forearm Allotransplantation: A Stepwise Approach
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Finger replantations after ring avulsion amputations.

K Ozaksar1, T Toros, T S Sügün

  • 1Hand and Microsurgery, Orthopaedics and Traumatology (EMOT) Hospital, İzmir, Turkey.

The Journal of Hand Surgery, European Volume
|November 15, 2011
PubMed
Summary
This summary is machine-generated.

Vascular repair in ring avulsion amputations showed success with digital artery transfer, vein grafts, or end-to-end anastomosis. Radical resection of damaged vessels is key for successful replantation outcomes.

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Area of Science:

  • Microsurgery
  • Vascular Surgery
  • Reconstructive Surgery

Background:

  • Ring avulsion amputations present significant challenges for successful finger replantation.
  • Assessing and restoring vascular integrity is critical for limb salvage in these complex injuries.

Purpose of the Study:

  • To evaluate different vascular repair techniques in type IV ring finger replantations.
  • To determine the functional outcomes and success rates of various arterial reconstruction methods.

Main Methods:

  • Retrospective cross-sectional study of 37 patients undergoing finger replantation for type IV ring avulsion.
  • Microscopic evaluation of arterial segments and assessment of proximal flow patterns.
  • Comparison of digital artery transfer, vein graft interposition, and end-to-end anastomosis for arterial repair.

Main Results:

  • Thirty-one of 37 (83.8%) replanted fingers survived.
  • Failure was attributed to arterial insufficiency (4 cases) and venous insufficiency (2 cases).
  • Digital artery transfer was the most frequently used method (21 fingers).

Conclusions:

  • Radical resection of damaged vascular zones is essential for successful anastomosis.
  • Choosing the appropriate vascular repair modality based on arterial flow is crucial for replantation success.
  • Microsurgical techniques offer viable options for restoring vascular function in severe ring avulsion injuries.