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Related Experiment Videos

Cold-induced arterial spasm after digital amputation.

C Backman1, A Nyström, C Backman

  • 1Department of Hand Surgery, University Hospital, Umeå, Sweden.

Journal of Hand Surgery (Edinburgh, Scotland)
|November 1, 1991
PubMed
Summary
This summary is machine-generated.

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Cold-induced vasospasm occurs similarly in replanted fingers and amputation stumps. Uninjured fingers also commonly show abnormal vascular reactions to cold, indicating widespread cold sensitivity.

Area of Science:

  • Vascular Surgery
  • Traumatology
  • Regenerative Medicine

Background:

  • Digital amputation injuries pose challenges for vascular recovery.
  • Replantation surgery and stump revision are common treatment modalities.
  • Cold-induced vasospasm can impair outcomes in injured and uninjured digits.

Purpose of the Study:

  • To investigate the incidence and intensity of cold-induced digital vasospasm.
  • To compare vasospasm in replanted fingers versus amputation stumps.
  • To assess vascular reactions to cold in both injured and uninjured digits.

Main Methods:

  • Studied 18 patients with digital amputation injuries.
  • Compared nine patients who underwent replantation surgery with nine treated by stump revision.

Related Experiment Videos

  • Assessed vascularity of injured digits and uninjured fingers in both hands.

    • Main Results:

    • Cold-induced vasospasm was not more pronounced in replanted fingers than in amputation stumps.
    • Pathological vascular reactions to cold were frequently observed in uninjured fingers.
    • Both treatment groups exhibited similar cold-induced vascular responses.

    Conclusions:

    • Replantation does not increase susceptibility to cold-induced vasospasm compared to stump revision.
    • Widespread cold sensitivity is common in patients with digital amputation injuries, affecting uninjured digits.
    • Further research is needed to manage cold sensitivity in these patients.