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Related Experiment Videos

Whole-blood filterability in sudden deafness.

G Ciuffetti1, A Scardazza, G Serafini

  • 1Second Department of Internal Medicine, Perugia University, Italy.

The Laryngoscope
|January 1, 1991
PubMed
Summary

Sudden deafness (SD) may be linked to microcirculation disturbances. Patients with SD showed significantly impaired whole blood and red blood cell filterability, suggesting a role for hemorheological changes.

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Area of Science:

  • Otorhinolaryngology
  • Hematology
  • Microcirculation Research

Background:

  • Sudden deafness (SD) is an idiopathic condition often diagnosed through audiometric tests.
  • Potential links between microcirculatory disturbances and SD require investigation.
  • Hemorheological factors may play a role in the pathophysiology of sudden deafness.

Purpose of the Study:

  • To investigate hemorheological profiles in patients with sudden deafness.
  • To determine if microcirculatory disturbances are associated with sudden deafness.
  • To assess blood and cell filterability in sudden deafness patients compared to controls.

Main Methods:

  • Monitoring hemorheological profiles in 16 sudden deafness patients and 32 matched controls.
  • Measuring plasma viscosity, whole blood filterability, and red blood cell filterability.

Related Experiment Videos

  • Utilizing a low-shear positive pressure system with Nuclepore filters (5-microns diameter).

    • Main Results:

    • Whole blood filterability was significantly impaired in sudden deafness patients.
    • Red blood cell filterability was also significantly impaired in sudden deafness patients.
    • These findings suggest alterations in microcirculation are linked to sudden deafness.

    Conclusions:

    • Hemorheological disturbances, specifically impaired blood and red blood cell filterability, are associated with sudden deafness.
    • Microcirculatory alterations may contribute to the development or progression of sudden deafness.
    • Further research into hemorheological interventions for sudden deafness is warranted.