Correlation between structural progression in glaucoma and obstructive sleep apnea

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Abstract

To investigate the correlation between obstructive sleep apnea (OSA) severity and the structural and functional progression in patients with glaucoma. This retrospective comparative cohort study included subjects from the polysomnography database in Chang Gung Memorial Hospital between June 1, 2009, and June 1, 2017, by identifying patients who had received diagnoses of primary open-angle glaucoma (POAG), normal-tension glaucoma (NTG), or glaucoma suspect. Patients with follow-up time of <3 years and/or <3 consecutive reliable optical coherence tomography (OCT) or visual field (VF) tests were excluded. Progression of overall peripapillary retinal nerve fiber layer (RNFL) thickness on OCT scans and VF mean deviation (MD) or VF index (VFI) were determined through linear regression trend analysis. Thirty-two patients were included. There was a trend to higher percentage of progression on RNFL thickness and VF in higher OSAS severity. After stratifying patients to no OSA/mild OSA (group 1) and moderate/severe OSA (group 2), group 2 exhibited a significantly higher percentage of RNFL thickness progression than did group 1 (64.7% vs 26.7%, P = 0.042). Multivariate Cox regression analysis showed that severe OSA had an 8.448-fold higher risk of RNFL thickness progression after age, sex, diabetes mellitus, hypertension, hyperlipidemia, and body mass index adjustment (95% confidence interval, 1.464–48.752, P = 0.017). Severe OSA is significantly correlated with a higher risk of structural deterioration in patients with glaucoma.

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Practice parameters for the indications for polysomnography and related procedures: an update for 2005.

Clete Kushida, Michael Littner, Timothy Morgenthaler … (2005)

These practice parameters are an update of the previously-published recommendations regarding the indications for polysomnography and related procedures in the diagnosis of sleep disorders. Diagnostic categories include the following: sleep related breathing disorders, other respiratory disorders, narcolepsy, parasomnias, sleep related seizure disorders, restless legs syndrome, periodic limb movement sleep disorder, depression with insomnia, and circadian rhythm sleep disorders. Polysomnography is routinely indicated for the diagnosis of sleep related breathing disorders; for continuous positive airway pressure (CPAP) titration in patients with sleep related breathing disorders; for the assessment of treatment results in some cases; with a multiple sleep latency test in the evaluation of suspected narcolepsy; in evaluating sleep related behaviors that are violent or otherwise potentially injurious to the patient or others; and in certain atypical or unusual parasomnias. Polysomnography may be indicated in patients with neuromuscular disorders and sleep related symptoms; to assist in the diagnosis of paroxysmal arousals or other sleep disruptions thought to be seizure related; in a presumed parasomnia or sleep related seizure disorder that does not respond to conventional therapy; or when there is a strong clinical suspicion of periodic limb movement sleep disorder. Polysomnography is not routinely indicated to diagnose chronic lung disease; in cases of typical, uncomplicated, and noninjurious parasomnias when the diagnosis is clearly delineated; for patients with seizures who have no specific complaints consistent with a sleep disorder; to diagnose or treat restless legs syndrome; for the diagnosis of circadian rhythm sleep disorders; or to establish a diagnosis of depression.

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High prevalence of glaucoma in patients with sleep apnea syndrome.

J Michael Mathis, C Bassetti, J Fleischhauer … (1999)

To determine the prevalence of glaucoma in sleep apnea syndrome (SAS), an entity characterized by repetitive upper airway obstructions during sleep, inducing hypoxia and sleep disruption with the risk of cardiovascular and neurologic sequelae. Cross-sectional study. A total of 114 white patients consecutively referred for polysomnographic evaluation of suspected SAS. Complete ophthalmologic examination, including computerized perimetry and simultaneous stereoscopic optic disc photographs. Spearman rank correlations between the respiratory disturbance index during night sleep (RDI), a value used to diagnose and grade SAS, and visual acuity, intraocular pressure (IOP), visual field indices, presence or absence of glaucomatous optic disc changes, and diagnosis of glaucoma. Each correlation was controlled for age and body mass index. To compare proportions of patients harboring glaucoma, the binomial test was used. Sixty-nine (60.5%) of the 114 patients had an RDI > or =10, which indicates SAS. Three patients had primary open-angle glaucoma, and two had normal-tension glaucoma. All patients with glaucoma had SAS. The observed prevalence of glaucoma in patients with SAS (5 of 69, 7.2%) was significantly higher than expected in a white population (2%) (P = 0.01). The RDI correlated positively with IOP (P = 0.025), visual field loss variance (P = 0.03), glaucomatous optic disc changes (P = 0.001), and diagnosis of glaucoma (P = 0.01). Patients with SAS constitute a high-risk population for glaucoma and should therefore be screened for glaucoma.

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Risk Factors for Central Serous Chorioretinopathy: Multivariate Approach in a Case-Control Study.

Panagiotis Mitropoulos, Tina Xirou, Irini Chatziralli … (2017)

The purpose of this prospective study was to investigate the potential risk factors associated independently with central serous retinopathy (CSR) in a Greek population, using multivariate approach.