ABSTRACT
Purpose: This work reports the association of obstructive sleep apnea (OSA) and cotton-wool spots (CWS) seen in patients with nonproliferative diabetic retinopathy (DR). Methods: A random sample of patients diagnosed with DR between January 1, 2015 and December 31, 2018, were selected from medical-billing codes. Dilated funduscopic examination findings and medical history were analyzed by reviewing medical records. Results: CWS were present in 12 of 118 patients without OSA, compared with 11 of 32 patients with OSA (10.2% vs 34.4%, respectively; P = .002). OSA was more common in men (68.8%, P = .03) and associated with a higher body mass index (30.0 ± 5.0 without OSA vs 33.6 ± 5.5 with OSA, P < .001). When comparing those with and without OSA, there was no association with age; glycated hemoglobin A1c; stage of DR; insulin dependence; presence of diabetic macular edema; smoking status; or a history of hypertension, hyperlipidemia, cardiovascular disease, or other breathing disorder. Conclusions: The presence of OSA is associated with CWS in patients with DR, as well as male sex and a higher body mass index. Further research is needed to determine the ophthalmologist's role in the timely referral of patients with CWS for OSA evaluation.
ABSTRACT
Purpose: Optical coherence tomography (OCT) is useful in diagnosing and monitoring retinal pathology such as age-related macular degeneration, diabetic macular edema (DME), central serous chorioretinopathy, and epiretinal membrane, among others. This study compared the ability of horizontal (H) 25-, 13-, and 7-cut macular OCT vs 24-, 12-, and 6-cut radial (R) macular OCT in identifying various macular pathology. Methods: This was a prospective study of 161 established patients evaluated at Wilford Hall Eye Center Retina Clinic between September and October of 2019. Pathology included age-related macular degeneration, central serous chorioretinopathy, DME, and epiretinal membrane, among others. Patients obtained 25-, 13-, and 7-cut H raster OCT as well as 24-, 12-, and 6-cut R OCT. Primary outcomes were sensitivity in detecting macular fluid and each macular abnormality. Results: The 24-cut radial (R24) OCT equally or out-performed the H25 (horizontal 25-cut OCT) in detecting macular fluid across all pathological groups. Generally, a higher number of cuts correlated with better detection of fluid. In detecting any macular abnormalities, H25, R24, and R12 had 100% sensitivity. R6 OCT had near 100% sensitivity across all groups, except for DME (95%). Overall, R OCT had better sensitivity (0.960) than H OCT (0.907) in detecting macular pathology. Conclusions: R outperformed H macular OCT in detecting fluid and other abnormalities. Clinically, both scanning patterns can be used by ophthalmologists in diagnosis and management of commonly encountered macular diseases. Technicians may be able to use a variety of these scans to screen for pathology prior to physician evaluation.
ABSTRACT
PURPOSE: Orbital wall fractures are a significant cause of ocular injury in trauma and are associated with posterior segment pathology. This study aims to characterize patterns and prognosis of commotio retinae following orbital wall fracture. METHODS: This study is a retrospective analysis of 294 orbital wall fractures diagnosed by computed tomography imaging from August 2015 to October 2016 at a Level 1 trauma center. Dilated funduscopic exams were assessed for acute posterior segment pathology, focusing specifically on commotio retinae (N = 38). These were compared with patients with no traumatic retinal findings (N = 253) to indicate statistically significant differences in the mechanism of injury, fracture pattern, subjective symptoms, radiologic and exam findings, and acute interventions. RESULTS: Commotio was most commonly associated with assault (60.5%, p = 0.004) in a younger patient population, whereas normal retinal exams were more likely after falls from standing (24.1%, p = 0.022). Half of all commotio was found inferiorly and most commonly occurred in medial or inferior wall fracture. Patients with commotio were more likely to have motility deficits (29.7%, p = 0.049) with clinical evidence of entrapment (13.2%, p < 0.001), requiring acute operative repair (15.8%, p = 0.005). Inferior wall fracture was associated with 19.4% surgical intervention in commotio as compared with those with normal funduscopic exams (6.1%, p = 0.012). All patients with follow-up had resolution of commotio and best-corrected visual acuity of 20/25 or better. CONCLUSION: Retinal pathology is not infrequent in orbital wall fractures. Inferior wall fracture was associated with 19.4% surgical intervention in commotio as compared to those with normal funduscopic exams (6.1%, p = 0.012). A high index of suspicion and thorough investigation is warranted in evaluating these patients.
