The Role of the Compression of Great Cervical Vessels by Thyroid Nodules in Eye Hydrodynamics Change
The aim of the investigation was to reveal the changes in the indices of the outflow and secretion of aqueous humor in patients with great cervical vessels compressed by thyroid nodules to assess the compression effect on eye hydrodynamics and glaucoma development.
Materials and Methods. Eye hydrodynamics was studied in 60 patients (119 eyes) with the compression of great cervical vessels by uni- and bilateral benign thyroid nodules confirmed by neck duplex scanning and multispiral computed tomography.
Results. The majority of patients with the compression of great cervical vessels by thyroid nodules showed significant deterioration in aqueous humor outflow and production. After decompression the improvement and normalization of the eye hydrodynamics was observed.
Conclusion. Compression of great cervical vessels by thyroid nodules leads to the difficulty of aqueous humor passage from the eye, and is a risk factor of secondary phlebohypertensive glaucoma.
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