Avi A. Gajjar

ORCID: 0000-0003-3686-9413
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About
Contact & Profiles
Research Areas
  • Intracranial Aneurysms: Treatment and Complications
  • Cerebrovascular and Carotid Artery Diseases
  • Vascular Malformations Diagnosis and Treatment
  • Social Media in Health Education
  • Intracerebral and Subarachnoid Hemorrhage Research
  • Acute Ischemic Stroke Management
  • Surgical Simulation and Training
  • Artificial Intelligence in Healthcare and Education
  • Diversity and Career in Medicine
  • Cardiac, Anesthesia and Surgical Outcomes
  • Neurosurgical Procedures and Complications
  • Vascular Procedures and Complications
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Health Literacy and Information Accessibility
  • Vascular Anomalies and Treatments
  • Tracheal and airway disorders
  • Cerebral Venous Sinus Thrombosis
  • Spinal Fractures and Fixation Techniques
  • Cleft Lip and Palate Research
  • Craniofacial Disorders and Treatments
  • Anatomy and Medical Technology
  • History of Medical Practice
  • Radiomics and Machine Learning in Medical Imaging
  • Medical Imaging and Analysis
  • Text Readability and Simplification

Hospital of the University of Pennsylvania
2022-2025

Albany Medical Center Hospital
2022-2025

University of Pennsylvania
2021-2025

Health Outcomes Solutions (United States)
2025

University of Pennsylvania Health System
2022-2025

University of California, Los Angeles
2024-2025

University of Pittsburgh
2023-2025

Neurological Surgery
2023-2025

Mayo Clinic in Arizona
2024-2025

University of Pittsburgh Medical Center
2023-2024

BACKGROUND AND OBJECTIVES: The Internet has become a primary source of health information, leading patients to seek answers online before consulting care providers. This study aims evaluate the implementation Chat Generative Pre-Trained Transformer (ChatGPT) in neurosurgery by assessing accuracy and helpfulness artificial intelligence (AI)–generated responses common postsurgical questions. METHODS: A list 60 commonly asked questions regarding neurosurgical procedures was developed....

10.1227/neu.0000000000002856 article EN Neurosurgery 2024-02-14

Background Flow-diverter stents (FDS) have become the standard of care for a wide range intracranial aneurysms, but their efficacy/safety in context recurrent/recanalized aneurysms following stent-assisted coiling (SAC) is not well established. We evaluate outcomes FDS retreatment large multicenter cohort. Methods retrospectively analyzed data from 118 patients across 22 institutions who underwent recurrent/persistent after SAC (2008–22). The primary outcome was angiographic occlusion status...

10.1136/jnis-2024-022422 article EN Journal of NeuroInterventional Surgery 2025-03-26

BACKGROUND AND OBJECTIVES: Organized neurosurgery offers innumerable opportunities for scientific exchange, networking, and continuing medical education (CME). National, regional, state societies meetings have rapidly proliferated across neurosurgery, as neurosurgical-associated publications journals. This study sought to review individual costs incurred by neurosurgeons seeking engagement in organized illustrate the associated with participation. METHODS: were identified, annual recorded....

10.1227/neu.0000000000003452 article EN Neurosurgery 2025-04-21

Introduction The internet is an essential resource for patients and their loved ones to understand medical conditions, professional organizations have taken great strides develop educational material targeting patients. average American reads at a seventh eighth grade reading level, hence it important the readability of this information ensure comprehend what being presented. Methods In January 2023, online patient education was downloaded from major cerebrovascular healthcare assessed using...

10.1136/jnis-2023-021205 article EN Journal of NeuroInterventional Surgery 2024-02-23

Background With transradial access (TRA) being more progressively used in neuroendovascular procedures, we compared TRA with transfemoral (TFA) middle meningeal artery embolization (MMAE) for chronic subdural hematoma (cSDH). Methods Consecutive patients undergoing MMAE cSDH at 14 North American centers (2018–23) were included. and TFA groups using propensity score matching (PSM) controlling for: age, sex, concurrent surgery, previous thickness side, midline shift, pretreatment...

10.1136/jnis-2024-021880 article EN Journal of NeuroInterventional Surgery 2024-07-11

OBJECTIVE Severe traumatic brain injury (TBI) is a leading cause of disability and death in the pediatric population. While intracranial pressure (ICP) monitoring gold standard acute neurocritical care following severe TBI, tissue oxygen tension (PbtO 2 ) may also help limit secondary improve outcomes. The authors hypothesized that patients with TBI ICP + PbtO treatment would have better outcomes than those who underwent ICP-only treatment. METHODS Patients ≤ 18 years age received ± at...

10.3171/2022.4.peds21568 article EN Journal of Neurosurgery Pediatrics 2022-06-20

The use of robotics in spinal surgery holds tremendous potential with continued growth since 1985. To date, there are numerous devices approved by the Food and Drug Administration (FDA) for operations. Robotic enables improved patient outcomes comparison to conventional methods. These robots can have superior spatial resolution, geometric accuracy, faster implant placement. initial design process various stages development discussed, along a historical synopsis. A review most commonly used...

10.1016/j.inat.2023.101721 article EN cc-by-nc-nd Interdisciplinary Neurosurgery 2023-01-09

Introduction The Flow Re-direction Endoluminal Device (FRED) is a novel flow diverter with unique double stent design, an inner composed of 48 nitinol wires, and outer 16 wires. It designed for endovascular cerebral aneurysm treatment, although, limited data exist regarding in-stent stenosis (ISS) rates associated FRED devices. Methods A registry encompassing two North American comprehensive stroke centers was the base this study. We longitudinally assessed patients implanted devices,...

10.1177/15910199241304855 article EN Interventional Neuroradiology 2025-01-13

BACKGROUND AND OBJECTIVES: X (formerly known as Twitter) is a social media platform gaining popularity in neurosurgery. Other disciplines have demonstrated positive correlation between Twitter activity and traditional citation metrics. This study aims to determine if greater predictor of rates than journal's 5-year impact factor (IF) among major neurosurgical journals. METHODS: Using mixed linear model, we compared the predictive value alternative metrics (such mentions on Altmetric...

10.1227/neu.0000000000003325 article EN Neurosurgery 2025-01-16

INTRODUCTION: Adequate understanding of health information is a stronger determinant than several demographic factors including age, income, or employment status. However, existing neurosurgical patient education materials (PEMs) may be too complex for the average American that reads at an eighth-grade level and contribute to poor literacy. METHODS: Neurosurgical PEMs pertaining stroke, laminectomy, pituitary tumors, epilepsy, hydrocephalus published by top 100 US hospitals as ranked U.S....

10.1227/neu.0000000000003360_1363 article EN Neurosurgery 2025-03-14

INTRODUCTION: Existing neurosurgical patient education materials (PEMs) can be complex for the average American that reads at an eighth-grade level and may contribute to poor health literacy. Large language model chat bots help re-write existing PEMs improve readability in a cost-effective manner. METHODS: Neurosurgical pertaining stroke, laminectomy, pituitary tumors, epilepsy, hydrocephalus published by top 100 US hospitals as ranked U.S. News Health Report were collected. ChatGPT-4 was...

10.1227/neu.0000000000003360_1033 article EN Neurosurgery 2025-03-14

INTRODUCTION: The mentorship and training relationships within the field of neurosurgery are pivotal in shaping careers influence neurosurgeons. Understanding these through network analysis can reveal key individuals structural characteristics that drive field's development. METHODS: A combined multi-directed undirected graph comprising neurosurgical was constructed, including edges between chair trainee, program director peers from same residency graduating 5 years one another. Graph level...

10.1227/neu.0000000000003360_1258 article EN Neurosurgery 2025-03-14

INTRODUCTION: Multiple preferences exist in terms of embolic materials middle meningeal artery embolization (MMAE) for chronic subdural hematoma (cSDH) with limited comparative literature data. METHODS: Consecutive patients undergoing MMAE cSDH at 14 North-American centers (2018-2023) were included. Patients classified into 3 groups a) particles, b) Onyx, c) n-BCA. The endpoints unplanned rescue surgery and radiographic success (=50% reduction thickness last imaging "minimum 2-weeks")....

10.1227/neu.0000000000003360_1141 article EN Neurosurgery 2025-03-14

INTRODUCTION: Organized neurosurgery offers innumerable opportunities for scientific exchange, networking, and continuing medical education. National, regional, state, city-level societies annual meetings have rapidly proliferated across neurosurgery, with journals following suit. METHODS: state were identified, associated recorded. Top journals, as determined by reputation impact factor, selected. Data that was unavailable online acquired via direct communication the respective...

10.1227/neu.0000000000003360_242 article EN Neurosurgery 2025-03-14

Physicians aim to provide optimal care, considering patient experiences and satisfaction. Traditional in-clinic surveys assessing surgical outcomes face limitations, including bias inadequate inclusion of diverse demographics. Social media is an emerging platform for patients share their healthcare experiences, providing alternative method gathering feedback. This study explores the prevalent themes moyamoya disease shared on social media. Posts containing "#moyamoya" "#moyamoya warrior"...

10.1016/j.jstrokecerebrovasdis.2025.108293 article EN cc-by-nc-nd Journal of Stroke and Cerebrovascular Diseases 2025-03-01

Socioeconomic status influences health outcomes, including cerebrovascular diseases. Patients from socioeconomically deprived areas may present with more severe conditions due to delayed access care. This study evaluates the association between neighborhood-level deprivation, measured by Area Deprivation Index (ADI), and treatment of ruptured intracranial aneurysms (RIAs) compared unruptured (UIAs) across multiple centers. retrospective cohort analyzed data 4517 patients treated for cerebral...

10.1136/jnis-2024-022935 article EN Journal of NeuroInterventional Surgery 2025-03-29

Cleft lip and palate (CLP) are among the most common congenital craniofacial anomalies impacting feeding, speech, facial appearance. Comprehensive management involves multidisciplinary care, including surgical interventions, orthodontics, speech therapy, psychosocial support. This study examines demographic, clinical, economic factors influencing hospital charges outcomes associated with CLP in United States. Using ICD-10-CM/PCS codes data from National Inpatient Sample (NIS) for 2016 2017,...

10.1097/scs.0000000000011280 article EN Journal of Craniofacial Surgery 2025-04-02
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