Symptomatic intraocular pressure dysregulation during clopidogrel exposure after patent foramen ovale closure in a patient with ocular hypertension and angle crowding: a Case Report - Scorecard - MDSpire

Intraocular Pressure Dysregulation Symptoms Associated with Clopidogrel Treatment Following Patent Foramen Ovale Closure in a Patient with Ocular Hypertension and Angle Crowding: A Case Study

  • By

  • Faxue Li

  • Rongbo Yu

  • Xuan Guo

  • Wenyi Ji

  • Qiang Wu

  • July 16, 2026

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Clinical Scorecard: Intraocular Pressure Dysregulation Symptoms Associated with Clopidogrel Treatment Following Patent Foramen Ovale Closure in a Patient with Ocular Hypertension and Angle Crowding: A Case Study

At a Glance

CategoryDetail
ConditionOcular Hypertension
Key MechanismsClopidogrel-induced intraocular pressure dysregulation
Target PopulationPatients undergoing patent foramen ovale closure with pre-existing ocular hypertension
Care SettingOphthalmology outpatient clinic

Key Highlights

  • Clopidogrel may cause recurrent ocular symptoms in patients with ocular hypertension.
  • Symptoms improved after clopidogrel withdrawal and recurred upon re-administration.
  • 24-h IOP monitoring showed significant peak elevation and diurnal fluctuation during clopidogrel exposure.
  • Baseline IOP measurements indicated ocular hypertension without glaucomatous damage.
  • This case suggests a temporal association rather than definitive evidence of drug-induced effects.

Guideline-Based Recommendations

Diagnosis

  • Monitor intraocular pressure in patients with ocular hypertension on clopidogrel.

Management

  • Consider discontinuation of clopidogrel in patients experiencing ocular symptoms.

Monitoring & Follow-up

  • Conduct 24-h IOP monitoring in patients with known ocular hypertension on antiplatelet therapy.

Risks

  • Increased risk of intraocular pressure elevation and potential glaucoma onset.

Patient & Prescribing Data

52-year-old woman with ocular hypertension and angle crowding.

Clopidogrel may exacerbate ocular symptoms and IOP dysregulation.

Clinical Best Practices

  • Perform thorough ophthalmic assessments prior to initiating clopidogrel in at-risk patients.
  • Document baseline IOP measurements and monitor for changes during clopidogrel therapy.

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