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京东 11.11 红包
【3D动画】【玻璃体切除术】【视网膜脱离治疗手术】Retinal Detachment Treatment—Pars Plana Vitrectomy
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https://www.youtube.com/watch?v=FtrUZqtbvas 原标题：Retinal Detachment Treatment—Pars Plana Vitrectomy Two procedures treat retinal detachment: pars plana vitrectomy (PPV; removal of vitreous from the eye) and pneumatic retinopexy (PnR; gas injection into the eye to exert gentle pressure to reattach the retina). Some outcomes following PnR may be superior to PPV for managing rhegmatogenous retinal detachment, based on randomized clinical trial findings. This animation video illustrates a possible mechanism for the difference in visual acuity outcomes between the 2 procedures based on observations of photoreceptor integrity on spectral-domain optical coherence tomography (OCT) after 12 months. PPV involves a gas-fluid exchange. As gas is put into the vitreous cavity, subretinal fluid at the site of detachment is aspirated. The photoreceptor layer re-apposes to the retinal pigment epithelium (RPE) as the fluid is removed [00:08], but cell interdigitation is suboptimal [00:16] and some photoreceptor cells subsequently die off in the process. This is potentially associated with worse visual acuity outcomes and with more discontinuities of the ellipsoid zone (EZ) and external limiting membrane (ELM) on OCT imaging compared with pneumatic retinopexy. If there is infringement, please contact to delete 手术等无法上传的视频，q群878946350，微信群看动态
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