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Diagnostic investigation using vital capillary microscopy and dynamic capillaroscopy

N Pangratis1

  • 1Vascular Laboratory, Ygeia Hospital, Athens, Greece.

Clinical Hemorheology and Microcirculation
|March 21, 1998
PubMed
Summary

Vital capillary microscopy examines skin capillary changes in patients with poor circulation. Dynamic capillaroscopy, a computerized method, measures blood cell velocity, aiding nailfold capillary diagnostics, especially in diabetes-related vascular disease.

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Area of Science:

  • Vascular biology
  • Medical diagnostics
  • Dermatology

Background:

  • Skin capillary alterations are observed in patients experiencing reduced arterial circulation.
  • Nailfold capillaries are a key site for examining these vascular changes.
  • Diabetes mellitus is associated with a high prevalence of macro- and microangiopathy.

Purpose of the Study:

  • To describe the procedure for studying skin capillaries using vital capillary microscopy.
  • To highlight the utility of dynamic capillaroscopy in assessing capillary blood cell velocity.
  • To establish the diagnostic value of nailfold capillary investigations in vascular conditions.

Main Methods:

  • Vital capillary microscopy was employed to study skin capillaries.
  • Examination focused on both lower and upper extremity (nailfold) capillaries.

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  • Dynamic capillaroscopy was utilized to measure capillary blood cell velocity.

    • Main Results:

    • Capillary changes were identified in patients with reduced arterial circulation.
    • Computerized calculation of capillary blood cell velocity proved to be a simple and effective method.
    • The technique demonstrated utility as a diagnostic tool for nailfold capillaries.

    Conclusions:

    • Vital capillary microscopy is a valuable method for studying skin capillaries.
    • Dynamic capillaroscopy offers a practical approach to assessing capillary blood flow.
    • Nailfold capillary analysis is relevant for conditions like diabetes-associated angiopathy.