Publications by authors named "G Karthikeyan"
Objective: This study aimed to evaluate local control (LC) of tumors, patient overall survival (OS), and the safety of stereotactic radiosurgery (SRS) for esophageal cancer brain metastases (EBMs).
Methods: This retrospective cohort study used data from 15 International Radiosurgery Research Foundation facilities encompassing 67 patients with 185 EBMs managed using SRS between January 2000 and May 2022. The median patient age was 63 years, with a male predominance (92.
Article Synopsis
- Surveys in Thanjavur and Coimbatore revealed up to 2.5% incidence, with unique symptoms that differ from previously known root wilt disease.
- New diagnostic methods like LAMP (Loop Mediated Isothermal Amplification) were developed for fast and accurate detection of phytoplasma, helping manage the disease and protect healthy coconut palms and seedlings.
H photochemically induced dynamic nuclear polarization (photo-CIDNP) has recently emerged as a tool to enhance bulk H nuclear magnetic resonance (NMR) signals in solids at magnetic fields ranging from 0.3 to 21.1 T, using synthetic donor-chromophore-acceptor (D-C-A) molecules as optically active polarizing agents (PAs).
View Article and Find Full Text PDFRecovery of cardiovascular diagnostic testing in Italy 1 year after coronavirus disease-2019 outbreak compared with other countries in Europe and worldwide: results from the International Atomic Energy Agency INCAPS COVID 2 survey.
Eur Heart J Imaging Methods Pract
January 2024
Article Synopsis
- The study evaluates the recovery of cardiac diagnostic procedures in Italy one year after the COVID-19 outbreak, focusing on procedure volumes, practices, and staff well-being.
- A global survey revealed a 72% drop in cardiac diagnostic procedures in April 2020 compared to March 2019, with only a slight recovery (3% increase) by April 2021, though some specific tests showed increased volumes.
- Many healthcare centers adopted measures like physical distancing and COVID-19 screening, but 25% of physicians reported high psychological stress levels, highlighting ongoing challenges within the healthcare system.