Publications by authors named "Jitin Bajaj"

Background: Proficiency in neuroendoscopic techniques is vital in modern neurosurgery, especially with the rising prominence of endoscopic endonasal procedures. Traditional training methods face challenges due to cadaver scarcity and cost-prohibitive simulators.

Objective: To explore the feasibility of using goat head carcasses for training in endoscopic pituitary surgery.

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 In recent times, the supraorbital approach via eyebrow incision has gained tremendous popularity in targeting the anterior skull base and few middle cranial fossa lesions, over the more traditional pterional and frontotemporal approaches. However, the extremely narrow viewing angle through this approach requires frequent adjustments of the operating table and microscope for optimal visualization. Illumination via such a small opening in such deep-seated location was another limiting factor.

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Neuroendoscopy can be learnt by assisting or doing live human surgery, cadaver dissection with or without augmented pulsatile vessel and cerebrospinal fluid (CSF) perfusion, and practicing on live animal, dead animal model, synthetic models, three-dimensional printing model with or without augmentation with animal, cadaver tissue, pulsatile vessel and reconstructed CSF model, virtual reality (VR) simulator, and hybrid simulators (combined physical model and VR model). Neurosurgery skill laboratory with basic and advanced learning should be there in all teaching hospitals. Skills can be transferred from simulation model or VR to cadaver to live surgery.

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This video showcases stereotactic radiofrequency lesioning of the caudal zona incerta (CZi) for parkinsonian tremor in a 70-year-old patient. The preoperative evaluation, including imaging and frame placement, is detailed. The surgical procedure involves meticulous targeting and trajectory planning.

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Article Synopsis
  • - The study reviews the effectiveness of an endoscopic posterior approach for decompressing the cervical spinal cord and roots in 229 patients, particularly focusing on those with myelopathy or radiculopathy caused by posterior compression.
  • - Results showed significant improvement post-surgery, with the average Nurick grade (a measurement of neurological impairment) dropping from 2.72 to 0.78, indicating better outcomes in patients who started with lesser impairments.
  • - While the endoscopic method was found to be safe with few complications, the study has limitations, such as being retrospective and conducted at a single center, suggesting the need for further multicenter research to confirm findings.
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Background And Objectives: Atlantoaxial dislocation (AAD) poses a complex surgical challenge. Surgical approaches vary for reducible and irreducible cases. Challenges persist in reducing the atlantodental interval, especially in cases with oblique or vertical C1-C2 joints.

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Background: Practicing neuroendoscopic skills like hand-eye coordination is mandatory before embarking on actual surgeries. Synthetic models are able alternatives for cadavers and animals. Presently available models in the literature are either very costly or lack a feedback mechanism, which makes training difficult.

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Background: Endoscopic procedures are useful in chronic subdural hematoma especially when there are septations, solid/organized hematoma, and the presence of bridging or neovessels in the cavity. Visualizing the distal hematoma cavity by a rigid scope is challenging in large and curved ones due to the hindrance by the brain surface. Combining rigid endoscopy and brain retractor can overcome this limitation.

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Introduction: Intraoperative squash smear cytology is a useful diagnostic tool in case of CNS lesions. In resource poor countries where frozen section is unavailable, cytology is the mainstay method in giving a rapid intraoperative diagnosis which helps Surgeons regarding the extent of excision. The current study aims to assess the feasibility and accuracy of intraoperative squash cytology in evaluation of CNS tumors.

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Background: Hemispherotomy (HS) is an effective treatment for unilateral hemispheric onset epilepsy. There are few publications for HS in adults, and there is no series comparing adults and pediatric patients of HS.

Objective: To compare the hemispherotomies done in adult patients with pediatric ones in terms of efficacy and safety.

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This article delves into the profound impact of Indian neurosurgeons on the expansive canvas of neuroendoscopy. By scrutinizing their trailblazing research, innovations, new surgical techniques, and relentless dedication to education and training, we aim to unravel the intricacies of their influence on a global scale. The review, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, conducts a comprehensive analysis of the literature related to neuroendoscopy contributed by Indian neurosurgeons.

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Background: Endoscopic chronic subdural hematoma (CSDH) evacuation is a safe and effective alternative to the conventional burr hole technique. Although a rigid endoscope has the advantage of good visualization, there are risks of brain damage due to limited space to accommodate the scope and frequent lens soiling.

Objective: This technical note describes a novel brain retractor to overcome the limitations of rigid endoscopy.

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