Intraocular pressure elevation associated with blood in Schlemm's canal after strabismus surgery

Wutthayakorn, Wisaruta; Meethongkam, Kidakarn; Pukrushpan, Parnchat; Chansangpetch, Sunee

doi:10.1016/j.ajoc.2020.100665

Cited by 3 publications

(2 citation statements)

References 18 publications

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“…It could be classified into direct (internal carotid artery) or indirect (dural) fistula (2). Blood reflux in the Schlemm canal represents an elevation of the episcleral venous pressure which has been described classically in a CCF and in a variety of clinical scenarios including orbital disorders (3), strabismus surgery (4), and idiopathic (5,6). In our patient, all her routine noninvasive diagnostic neuroimaging modalities were normal.…”

Section: Case Presentationmentioning

confidence: 99%

Bilateral Blood Reflux Into Schlemm Canals Caused by a Unilateral Dural Sinus Arteriovenous Fistula in a Patient With Cerebral Venous Thrombosis

Hoang¹,

Dung²,

Thai³

et al. 2021

Journal of Neuro-Ophthalmology

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Section: Case Presentationmentioning

confidence: 99%

Bilateral Blood Reflux Into Schlemm Canals Caused by a Unilateral Dural Sinus Arteriovenous Fistula in a Patient With Cerebral Venous Thrombosis

Hoang¹,

Dung²,

Thai³

et al. 2021

Journal of Neuro-Ophthalmology

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“…[ 3 4 5 ] Other reported causes of intraocular pressure elevation after strabismus surgery in the literature include aqueous misdirection and episcleral venous outflow obstruction. [ 6 7 ]…”

Section: Introductionmentioning

confidence: 99%

Intraocular pressure elevation following the use of topical dexamethasone ointment after squint surgery

Olusanya

Ugalahi

Ibukun

et al. 2022

J West Afr Coll Surg

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Purpose: To describe the pattern of intraocular pressure (IOP) changes after squint surgery in eyes of black Africans at the University College Hospital, Ibadan, Nigeria. Materials and Methods: This was a retrospective review of the clinical records of patients who underwent squint surgery between 2010 and 2019. Data on demographic characteristics, preoperative and postoperative intraocular pressure values, co-existing ocular pathology, type of strabismus, surgery performed, frequency and duration of postoperative topical steroid use and treatment received for elevated intraocular pressure were collected and descriptively summarised. Results: Thirty-six (39.1%) out of 92 patients who had squint surgery during the study period met study inclusion criteria. Mean age was 20.5 ± 13.6 years. All patients were administered Maxitrol® ointment postoperatively. Baseline, peak and net change in IOP were 12.9 ± 2.6 mmHg, 21.3 ± 6.8 mmHg and 8.39 ± 7.2 mmHg respectively. Thirty-one (86.1%) patients had elevation in IOP from baseline; 21 (67.7%) of these had significant IOP elevation. Topical steroid therapy was tailed off rapidly for all patients with significant IOP elevation. Twelve patients were commenced on topical IOP lowering medications, with normalization of intraocular pressure in majority of them by three months after surgery. Conclusion: Elevated intraocular pressure with the use of topical dexamethasone ointment after squint surgery was common in this study and majority of the patients had significant elevation in intraocular pressure. Close monitoring of the intraocular pressure of black patients, especially children, on topical steroid medication after squint surgery is strongly recommended.

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Unilateral Glaucoma Without Facial Angioma in a Pediatric Patient: A Suspected Sturge-Weber Syndrome Variant

Naithani,

Joseph,

Sathiamoorthi

et al. 2024

J Pediatr Ophthalmol Strabismus

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The authors report a case of a 5-month-old full-term infant with chronic conjunctival redness and elevated intraocular pressure in the right eye. Magnetic resonance imaging ruled out leptomeningeal angiomatosis. Despite lacking a typical port-wine mark, the diagnosis of Sturge-Weber syndrome was established based on specific observations in the right eye that involved unilateral vascular glaucoma. These findings included Haab striae, a larger axial length measurement, an increased number of episcleral vessels with blood in Schlemm canal, and a thicker choroid in the macular region. This is the first reported pediatric case with these specific ocular manifestations in the absence of facial angioma, highlighting the need for awareness among clinicians to avoid misdiagnosis and facilitate proper management. [ J Pediatr Ophthalmol Strabismus . 2024;61(3):e19–e22.]

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Intraocular pressure elevation associated with blood in Schlemm's canal after strabismus surgery

Cited by 3 publications

References 18 publications

Bilateral Blood Reflux Into Schlemm Canals Caused by a Unilateral Dural Sinus Arteriovenous Fistula in a Patient With Cerebral Venous Thrombosis

Bilateral Blood Reflux Into Schlemm Canals Caused by a Unilateral Dural Sinus Arteriovenous Fistula in a Patient With Cerebral Venous Thrombosis

Intraocular pressure elevation following the use of topical dexamethasone ointment after squint surgery

Unilateral Glaucoma Without Facial Angioma in a Pediatric Patient: A Suspected Sturge-Weber Syndrome Variant

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