Posterior Revision Surgery
Posterior Revision Surgery - Related Videos
04:59
Rotating the Intraocular Lens to Prevent Posterior Capsular Opacification in Cataract Surgeries
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Cited by 1 •
2023
The present protocol describes removing residual epithelial cells by rotating the intraocular lens in extracapsular cataract surgery without extra tools for preventing posterior capsular opacification.
00:08
Survivable Stereotaxic Surgery in Rodents
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Cited by 50 •
2008
The monitoring of extracellular neurotransmitter levels in distinct brain regions of freely moving animals offers insights on the link between neurotransmitter release and behavior. In vivo microdialysis coupled with electrochemical detection provides excellent anatomical and chemical resolution; and information on how basal neurotransmission is altered by pharmacological or physiological manipulations.
08:28
Rodent Stereotaxic Surgery
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2023
Stereotaxic (or stereotactic) surgery is a method used to manipulate the brain of living animals. This technique allows researchers to accurately target deep structures within the brain through the use of a stereotaxic atlas, which provides the 3D coordinates of each area with respect to anatomical landmarks on the skull. After the skull is exposed, anesthetized animals are mounted on a specialized instrument known as a stereotaxic frame, which enables the precise placement of experimental...
06:05
A Revised Surgical Approach to Induce Endolymphatic Hydrops in the Guinea Pig
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Cited by 6 •
2020
This article demonstrates an extradural approach to obliterate the guinea pig endolymphatic sac and injure the endolymphatic duct with a fine pick in order to induce experimental endolymphatic hydrops.
14:54
Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy
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Cited by 2 •
2015
The goal of this protocol is to photochemically induce ischemic injury to the posterior optic nerve in rat. This model is critical to studies of the pathophysiology of posterior ischemic optic neuropathy, and therapeutic approaches for this and other optic neuropathies, as well as of other CNS ischemic diseases.
FAQs
Planning posterior revision surgery requires identifying which part of the earlier result has failed or changed. Surgeons assess spinal alignment, neural compression, bone healing, and implanted hardware before selecting a corrective strategy. This evaluation connects the patient’s symptoms and structural findings to a focused operation rather than treating every recurrence with the same procedure.
Scar tissue and altered anatomy are central technical considerations because they can make previously treated planes less straightforward and increase surgical complexity and risk. Consequently, the operation may require careful adaptation of the original approach while addressing the current problem, whether the priority is freeing neural structures, restoring stability, or correcting a deformity.
The reason for reoperation influences its goals. Hardware failure, infection, nonunion, adjacent-segment disease, persistent symptoms, or recurrent problems may each require a different response. A revision may focus on removing or revising implants, repairing bone healing, decompressing neural structures, or extending fusion, with the selected objective tied to the underlying complication.
The operative plan may combine several targeted actions rather than relying on one universal step. Surgeons can remove or revise implanted hardware, decompress neural structures, repair a nonunion, or extend an existing spinal fusion. These actions address different structural or neurological problems and are selected according to the findings from the prior operation and current assessment.
Physicians may consider this approach when problems persist or return after an earlier spinal procedure, or when a complication develops. Relevant situations include failed bone healing, hardware failure, infection, adjacent-segment disease, ongoing neural compression, spinal instability, or deformity. The decision depends on which problem remains and whether revision can address the patient’s clinical goal.
The intended outcome depends on the condition being treated, but revision can aim to relieve pain, restore spinal stability, correct deformity, or improve neurological function. Addressing the responsible mechanical, healing, or neural problem may provide benefits even when the initial operation did not produce the expected result. Because repeat surgery is technically demanding, outcomes must be considered alongside its increased complexity and risk.