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2 results on '"posterior vitreous-cortex detachment"'

1. Surgical Outcomes of Rhegmatogenous Retinal Detachment with Different Peripheral Vitreous-Shaving Procedures

Author

Nishitsuka K, Nakamura M, Nishi K, Namba H, Kaneko Y, and Yamashita H

Subjects
vitrectomy, vitreous base, posterior vitreous-cortex detachment, slit lamp microscope illumination, wide-angle noncontact viewing system, Ophthalmology, RE1-994
Abstract

Koichi Nishitsuka, Madoka Nakamura, Katsuhiro Nishi, Hiroyuki Namba, Yutaka Kaneko, Hidetoshi Yamashita Department of Ophthalmology and Visual Sciences, Yamagata University Faculty of Medicine, Yamagata, JapanCorrespondence: Koichi NishitsukaDepartment of Ophthalmology and Visual Sciences, Yamagata University Faculty of Medicine, Yamagata City, JapanTel +81 23-628-5374Fax +81 23-528-5377Email mlc12186@nifty.comPurpose: To compare the surgical outcomes of vitreous surgery for rhegmatogenous retinal detachment (RRD) after two different peripheral vitreous-shaving techniques are performed.Methods: We reviewed 269 eyes with RRD that were treated with a 25-gauge vitrectomy by a single surgeon between June 2015 and May 2020. The exclusion criteria for the proposed air tamponade selection were as follows: more than two weeks since RRD onset, giant retinal tears, a history of complications following cataract surgery, high myopia, and proliferative vitreoretinopathy classified as grade C or higher. We examined the differences in the therapeutic effect between shaving under slit lamp microscope illumination (group A) and shaving under a wide-angle viewing system (group B).Results: A total of 269 eyes were included in this study, with 146 eyes in group A and 123 eyes in group B. The primary anatomical success rates did not differ between group A (97.3%; 142/146 eyes) and group B (97.6%; 120/123 eyes; P = 0.102). However, the surgical time was significantly longer in group A (60.2 ± 17.1 min) than that in group B (46.9 ± 12.6 min) (P < 0.001). The multiple linear regression analysis revealed that surgical time was significantly correlated with using the wide-angle noncontact viewing system for vitreous shaving (adjusted R2 = 0.248; beta [standard partial regression coefficient] = − 0.447, P < 0.001), the number of retinal breaks (beta = 0.182, P = 0.001), and the quadrant of retinal detachment (beta = 0.205, P < 0.001).Conclusion: The surgical outcomes were similar regardless of the shaving procedure performed, and the surgical time was shortened by using the wide-angle noncontact viewing system for vitreous shaving.Keywords: vitrectomy, vitreous base, posterior vitreous-cortex detachment, slit lamp microscope illumination, wide-angle noncontact viewing system

Published
2021

2. Surgical Outcomes of Rhegmatogenous Retinal Detachment with Different Peripheral Vitreous-Shaving Procedures

Author

Hidetoshi Yamashita, Hiroyuki Namba, Katsuhiro Nishi, Yutaka Kaneko, Madoka Nakamura, and Koichi Nishitsuka

Subjects
Proliferative vitreoretinopathy, medicine.medical_specialty, genetic structures, medicine.medical_treatment, vitrectomy, Vitrectomy, 03 medical and health sciences, 0302 clinical medicine, Ophthalmology, Medicine, Original Research, Slit lamp, business.industry, Retinal detachment, Clinical Ophthalmology, Cataract surgery, medicine.disease, eye diseases, Retinal Tear, vitreous base, slit lamp microscope illumination, 030221 ophthalmology & optometry, wide-angle noncontact viewing system, Tamponade, sense organs, business, Vitreous base, 030217 neurology & neurosurgery, posterior vitreous-cortex detachment
Abstract

Koichi Nishitsuka, Madoka Nakamura, Katsuhiro Nishi, Hiroyuki Namba, Yutaka Kaneko, Hidetoshi Yamashita Department of Ophthalmology and Visual Sciences, Yamagata University Faculty of Medicine, Yamagata, JapanCorrespondence: Koichi NishitsukaDepartment of Ophthalmology and Visual Sciences, Yamagata University Faculty of Medicine, Yamagata City, JapanTel +81 23-628-5374Fax +81 23-528-5377Email mlc12186@nifty.comPurpose: To compare the surgical outcomes of vitreous surgery for rhegmatogenous retinal detachment (RRD) after two different peripheral vitreous-shaving techniques are performed.Methods: We reviewed 269 eyes with RRD that were treated with a 25-gauge vitrectomy by a single surgeon between June 2015 and May 2020. The exclusion criteria for the proposed air tamponade selection were as follows: more than two weeks since RRD onset, giant retinal tears, a history of complications following cataract surgery, high myopia, and proliferative vitreoretinopathy classified as grade C or higher. We examined the differences in the therapeutic effect between shaving under slit lamp microscope illumination (group A) and shaving under a wide-angle viewing system (group B).Results: A total of 269 eyes were included in this study, with 146 eyes in group A and 123 eyes in group B. The primary anatomical success rates did not differ between group A (97.3%; 142/146 eyes) and group B (97.6%; 120/123 eyes; P = 0.102). However, the surgical time was significantly longer in group A (60.2 ± 17.1 min) than that in group B (46.9 ± 12.6 min) (P < 0.001). The multiple linear regression analysis revealed that surgical time was significantly correlated with using the wide-angle noncontact viewing system for vitreous shaving (adjusted R2 = 0.248; beta [standard partial regression coefficient] = − 0.447, P < 0.001), the number of retinal breaks (beta = 0.182, P = 0.001), and the quadrant of retinal detachment (beta = 0.205, P < 0.001).Conclusion: The surgical outcomes were similar regardless of the shaving procedure performed, and the surgical time was shortened by using the wide-angle noncontact viewing system for vitreous shaving.Keywords: vitrectomy, vitreous base, posterior vitreous-cortex detachment, slit lamp microscope illumination, wide-angle noncontact viewing system

Published
2021

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