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Title

IN VIVO EVALUATION OF THE BIOMECHANICAL PROPERTIES OF OPTIC NERVE AND PERIPAPILLARY STRUCTURES BY ULTRASONIC SHEARWAVE ELASTOGRAPHY IN GLAUCOMA

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Abstract

 Background: Primary open-angle glaucoma is a multifactorial serious disease characterized by progressive retinal ganglion cell death and loss of visual field.Objectives: The purposes of this study were to investigate shear wave elastography (SWE) use in the evaluation of the optic nerve (ON) and peripapillary structures, and to compare the findings between glaucomatous and control eyes.Patients and Methods: A case-controlled study, including 21 patients with primary open-angle glaucoma and 21 age-matched control subjects, was carried out. All of the participants had comprehensive ophthalmological exams that included corneal biomechanical measurements with ocular response analyzer. In vivo evaluation of the biomechanical properties of the ON and peripapillary structures were performed with SWE in all participants. The Kolmogorov–Smirnov test was used to analyze the normal distribution of data. Differences of parameters in ophthalmologic data and stiffness values of patients with and without glaucoma were evaluated using the Mann-Whitney U test.Results: There were no statistically significant differences between the glaucoma and control groups in terms of age (P>0.05) and gender (P>0.05). Corneal hysteresis was lower in the glaucoma group (P<0.05). Corneal compensated intraocular pressure and Goldmann correlated intraocular pressure were higher in the glaucoma group (P<0.0001 for both). The mean stiffness of the ON and peripapillary structures were significantly higher in glaucoma patients for each measured region (P<0.05).Conclusion: The study evaluated the biomechanical properties of theONandperipapillary structures in vivo withSWEin glaucoma.We observed stifferONand peripapillary tissue in glaucomatous eyes, indicating thatSWEclaimsnewperspectives in the evaluation of ON and peripapillary structures in glaucoma disease.

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    APA: Copy

    DIKICI, ATILLA SULEYMAN, MIHMANLI, ISMAIL, KILIC, FAHRETTIN, OZKOK, AHMET, KUYUMCU, GOKHAN, SULTAN, PINAR, SAMANCI, CESUR, YILMAZ, MEHMET HALIT, RAFIEE, BABAK, TAMCELIK, NEVBAHAR, HASILOGLU, ZEHRA ISIK, & KANTARCI, FATIH. (2016). IN VIVO EVALUATION OF THE BIOMECHANICAL PROPERTIES OF OPTIC NERVE AND PERIPAPILLARY STRUCTURES BY ULTRASONIC SHEARWAVE ELASTOGRAPHY IN GLAUCOMA. IRANIAN JOURNAL OF RADIOLOGY, 13(2), 0-0. SID. https://sid.ir/paper/284429/en

    Vancouver: Copy

    DIKICI ATILLA SULEYMAN, MIHMANLI ISMAIL, KILIC FAHRETTIN, OZKOK AHMET, KUYUMCU GOKHAN, SULTAN PINAR, SAMANCI CESUR, YILMAZ MEHMET HALIT, RAFIEE BABAK, TAMCELIK NEVBAHAR, HASILOGLU ZEHRA ISIK, KANTARCI FATIH. IN VIVO EVALUATION OF THE BIOMECHANICAL PROPERTIES OF OPTIC NERVE AND PERIPAPILLARY STRUCTURES BY ULTRASONIC SHEARWAVE ELASTOGRAPHY IN GLAUCOMA. IRANIAN JOURNAL OF RADIOLOGY[Internet]. 2016;13(2):0-0. Available from: https://sid.ir/paper/284429/en

    IEEE: Copy

    ATILLA SULEYMAN DIKICI, ISMAIL MIHMANLI, FAHRETTIN KILIC, AHMET OZKOK, GOKHAN KUYUMCU, PINAR SULTAN, CESUR SAMANCI, MEHMET HALIT YILMAZ, BABAK RAFIEE, NEVBAHAR TAMCELIK, ZEHRA ISIK HASILOGLU, and FATIH KANTARCI, “IN VIVO EVALUATION OF THE BIOMECHANICAL PROPERTIES OF OPTIC NERVE AND PERIPAPILLARY STRUCTURES BY ULTRASONIC SHEARWAVE ELASTOGRAPHY IN GLAUCOMA,” IRANIAN JOURNAL OF RADIOLOGY, vol. 13, no. 2, pp. 0–0, 2016, [Online]. Available: https://sid.ir/paper/284429/en

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