Publications by authors named "Gandhi D"

Background: Fully automatic skull-stripping and tumor segmentation are crucial for monitoring pediatric brain tumors (PBT). Current methods, however, often lack generalizability, particularly for rare tumors in the sellar/suprasellar regions and when applied to real-world clinical data in limited data scenarios. To address these challenges, we propose AI-driven techniques for skull-stripping and tumor segmentation.

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Background: Endovascular arterial embolization (EAE) is an effective treatment for severe epistaxis refractory to conservative management with nasal packing. However, contemporary real-world data are lacking, as are data on head-to-head comparisons of EAE versus nasal packing alone.

Methods: This was a retrospective cohort study of the Nationwide Readmissions Database (NRD) from 2016 to 2021 in the United States.

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Background: Tracheomalacia (TM) is common in infants with bronchopulmonary dysplasia (BPD) and associated with respiratory morbidity. Assessment of TM was historically via bronchoscopy, but recent studies demonstrate that ultrashort echo-time (UTE) magnetic resonance imaging (MRI) can accurately assess TM in neonates.

Research Question: Do neonates with MRI-identified TM and BPD have increased respiratory morbidity through age 2 years?

Methods: We performed an observational cohort study of 54 subjects with BPD and assessed TM using UTE MRI at term-equivalent age.

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The organized provision of health services in India has been envisioned since 1946 by the recommendations from the Bhore committee. However, the policy and program strategies for the provision of good quality health care still lack effectiveness. Access to rehabilitation services for persons with disabilities continues to be a significant public health problem in India.

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Physician-industry financial relationships can drive research and innovation, improving patient care and outcomes, but potentially raise ethical concerns if not disclosed appropriately. This study shows high rates of non-disclosures by authors/presenters at the ASNR 2024 annual meeting, despite strict requirements. 86.

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Background: Recent radiologist compensation and clinical productivity trends have not been well characterized, especially across academic versus nonacademic practice settings.

Purpose: To assess recent trends in in financial compensation and clinical productivity between academic and nonacademic settings in diagnostic radiology (DR) and interventional radiology (IR).

Materials And Methods: We studied deidentified data from the Medical Group Management Association for both DR and IR physicians in academic and nonacademic practices from 2014 to 2023.

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Article Synopsis
  • This study analyzed demographic data from academic radiology faculty to evaluate rank equity by gender and race/ethnicity from 2000 to 2023.
  • It found that the percentage of women faculty increased but disparities remained, particularly for underrepresented minorities (URM) and Asian women, in terms of rank equity.
  • The study concluded that while progress was made for women, significant barriers still exist for URM and Asian faculty, necessitating targeted efforts to promote diversity within the field.
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Background And Purpose: Recent randomized trials have suggested that endovascular thrombectomy (EVT) is superior to medical management (MM) for stroke patients with large infarcts. However, whether or how perfusion metrics should be used to guide optimal patient selection for treatment is largely unknown.

Materials And Methods: This was a meta-analysis of randomized controlled trials reporting the effectiveness of EVT for large infarcts stratified by perfusion mismatch profiles.

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Purpose: To assess recent U.S. medical school trends in compensation for academic interventional radiology (IR) faculty and compensation characteristics based on rank, gender, and race/ethnicity.

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Article Synopsis
  • * The prevalence of vascular risk factors like hypertension and smokeless tobacco use is high among women; they also experience delays in recognizing stroke symptoms, leading to delayed hospital presentations.
  • * There are significant gaps in stroke awareness and healthcare access, particularly affecting women, highlighting the need for targeted educational and policy measures to address sociocultural barriers in stroke care.
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Despite recognized need and reasonable demand, health systems and rehabilitation communities keep working in silos, independently with minimal recognition to the issues of those who require rehabilitation services. Consolidated effort by health systems and rehabilitation parties, recognizing the value, power and promise of each other, is a need of the hour to address this growing issue of public health importance. In this paper, the importance and the need for integration of rehabilitation into health system is emphasized.

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Article Synopsis
  • Ischemic changes in the brain are hard to detect on regular head CT scans for several hours after an infarct, but deep learning models may help identify these changes using advanced imaging techniques.
  • This study evaluates the use of dual-energy CT (DECT) to enhance early visibility of brain infarcts for machine learning applications, using a dataset of 330 DECTs collected within 48 hours of confirming an infarct via MRI.
  • Results showed that combining images from both standard 120 kV and 190 keV DECT significantly improved the algorithm's performance in accurately segmenting brain infarcts, especially notable within 6 to 12 hours after the last known well time.
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Article Synopsis
  • The study examines trends in compensation for academic radiologists from 2017 to 2023, focusing on factors like rank, gender, race/ethnicity, and geographic location.
  • It used data from the AAMC Faculty Salary Report, analyzing responses from 5847 faculty members across multiple radiology ranks, showing an overall median compensation increase of 2.6%-4.4% per year.
  • Results highlight persistent gender and racial pay gaps, with male faculty earning more than females ($483,000 vs. $455,000) and Black/African American faculty earning less than White peers ($452,000 vs. $472,000), along with regional disparities
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MR-guided focused ultrasound (FUS) represents a promising alternative for patients with chronic neuropathic who have failed medical management and other treatment options. Early single-center experience with chronic neuropathic pain and trigeminal neuralgia has demonstrated favorable long-term outcomes. Excellent safety profile with low risk of motor and sensory complications and so far anecdotal permanent neurologic deficits make FUS a powerful tool to treat patients who are otherwise hopeless.

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The history of focused ultrasound is a parallel history of neuroradiology, functional neurosurgery, and physics and engineering. Multiple pioneers collaborated as ultrasound transitioned from a wartime technology to a therapeutic one, particularly in using it to ablate the brain to treat movement disorders. Several competing technologies ensured that this "ultrasonic neurosurgery" remained in a lull.

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Background: The safety and efficacy of endovascular thrombectomy (EVT) for large vessel occlusion (LVO) strokes associated with infective endocarditis (IE) compared with medical management (MM) is unclear.

Methods: In this nationwide analysis of hospitalizations in the United States, we assessed the outcomes of EVT versus medical management (MM) for patients with LVO and IE. Primary outcome was routine home discharge with self-care.

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Background: Tele-neurorehabilitation (TNR) allows for remote delivery of rehabilitation services for those with neurological disabilities. Despite growing global interest and uptake, its adoption remains challenging in Low-and-Middle-Income-Countries (LMICs).

Objective: To explore available literature on the nature of training and education, research and practice of TNR in LMICs.

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Background: Subarachnoid hemorrhage (SAH) following endovascular thrombectomy (EVT) is a poorly understood phenomenon, and whether it is associated with clinical detriment is unclear.

Methods: This was an explorative analysis of a national database of real-world hospitalizations in the United States. Patients who underwent EVT were included.

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Background And Purpose: Physician-industry relationships can be useful for driving innovation and technologic progress, though little is known about the scale or impact of industry involvement in neuroradiology. The purpose of this study was to assess the trends and distributions of industry payments to neuroradiologists.

Materials And Methods: Neuroradiologists were identified using a previously-validated method based on Work Relative Value Units and Neiman Imaging Types of Service classification.

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