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[Parameters of ocular hydrodynamics in case of major neck blood vessels compression by thyroid nodules]
I G Smetankin1, D I Agarkova1, V A Ovchinnikov1
1Nizhny Novgorod State Medical Academy, Ministry of Health of the Russian Federation, 10/1 Minina i Pozharskogo Sq., Nizhny Novgorod, Russian Federation, 603005.
Aim:
to study aqueous humor secretion and outflow in patients, whose major blood vessels of the neck got compressed by thyroid nodules.
Material And Methods:
Ocular hydrodynamics was assessed in 60 patients (119 eyes) with uni- or bilateral benign thyroid nodules compressing the major neck blood vessels.
Results:
Most patients demonstrated a significant decrease in parameters of aqueous humor secretion and outflow. After decompression, ocular hydrodynamics usually improved reaching its normal level.
Conclusion:
Compression of the major neck blood vessels by thyroid nodules impedes drainage of the aqueous humor and serves as a risk factor of secondary phlebohypertensive glaucoma.
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