Publications by authors named "Raj Singh"

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.

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  • Celiac disease (CD) is an autoimmune disorder linked to gluten intolerance that may affect cardiovascular health, with some studies suggesting a connection to myocardial infarction (MI), although results have been inconsistent.* -
  • A systematic review and meta-analysis of 8 studies were conducted to evaluate the risk of MI in adults with CD, using data from databases like PubMed and Web of Science, analyzed with R software.* -
  • The analysis found no significant association between CD and MI, but indicated high variability in study results, suggesting a need for more research on larger, more uniform samples to clarify potential cardiovascular risks for CD patients.*
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Purpose: Carbon fiber-reinforced polyetheretherketone (CFR-PEEK) instrumentation is being used more frequently in the spinal oncology landscape. Better visualization with this material allows for more precise postoperative stereotactic body radiation therapy (SBRT) planning using either computed tomography (CT)-myelography or magnetic resonance imaging (MRI) studies. We compared the dosimetric planning equivalencies and outcomes.

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Maintaining soil carbon is vital under changing climate. Conservation agriculture (CA) is reported to have potential to store soil organic carbon (SOC). The impact of carbon inputs on SOC dynamics and mineralization kinetics, and the priming effect of residue addition under long-term CA in subtropical regions, however, are not clear or adequately evaluated.

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Background: Scabies and impetigo cause direct health effects and contribute to severe infectious and immune-mediated complications. Ivermectin-based mass drug administration can reduce scabies and impetigo prevalence in island settings with high prevalence, but the effectiveness in moderate-prevalence settings is not known.

Methods: We conducted a single-arm, before-after community intervention trial.

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  • Spine metastases significantly affect cancer care, and a common treatment approach involves surgery followed by stereotactic body radiotherapy (SBRT); the study compares Carbon fiber-reinforced polyetheretherketone (CFR-PEEK) spinal instrumentation with titanium instrumentation in patients undergoing spinal fusion for metastatic disease.
  • A retrospective review of oncology patients from 2012 to 2023 matched 99 CFR-PEEK cases with 50 titanium cases based on tumor type and spinal instability neoplastic score (SINS), analyzing various outcomes including complications and progression-free survival (PFS).
  • Results indicated similar complication rates between CFR-PEEK and titanium groups, but CFR-PEEK patients experienced earlier local recurrence detection; further long-term studies are
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Background And Aim: In veterinary medicine, health-related quality-of-life index (QOL) measurements are becoming increasingly important because they are a multifaceted concept that represents not only patients' physical well-being but also clients' emotional health. This study assessed QOL in dogs receiving incremental intermittent hemodialysis (-IHD) with high- and low-flux dialyzers.

Materials And Methods: Thirty dogs diagnosed with chronic kidney disease (CKD) Stage IV were randomly divided into two groups of 15 dogs each.

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  • The study investigates an efficient method to remove fluoride from drinking water using a rotating anode electro-coagulation reactor under optimized conditions.
  • It achieved a fluoride removal rate of 96.87% (predicted) and 95.40% (actual) using specific parameters (32 mg/L concentration, 0.8 A current, 60 min duration, and 60 RPM).
  • The process is cost-effective, with an operational cost of 0.256 USD/m for over 93% fluoride removal, and the resulting sludge is safe for disposal, confirming the method's environmental viability.
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Background: There are limited studies examining local control (LC) and overall survival (OS) following stereotactic ablative radiation therapy (SABR) for adolescent and young adult (AYA) populations/histologies with local recurrences or metastatic disease.

Methods: The RSSearch® Patient Registry, an international SABR registry, was evaluated for AYA patients treated with SABR. AYA patients with adult histologies/primaries were excluded.

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Conventional bitumen is a viscoelastic material composed of asphaltene and maltene. It is prepared by air-blowing, but this approach makes the bitumen more brittle and susceptible to temperatures. To decrease the temperature susceptibility, synthetic polymers or additives are used to make polymer-modified bitumens.

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Background: The experience of patients with brain metastases treated with stereotactic radiosurgery (SRS) may shape attitudes towards salvage therapy. Furthermore, physician attitudes towards salvage therapy may differ based on specialty and experience. Our objective is to compare physician attitudes and patient experiences with SRS.

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Unlabelled: In the current scenario of growing world population, limited cultivable land resources, plant diseases, and pandemics are some of the major factors responsible for declining global food security. Along with meeting the food demand, the maintenance of food quality is also required to ensure healthy consumption and marketing. In agricultural fields, pest infestations and bacterial diseases are common causes of crop damage, leading to massive yield losses.

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Background: Dengue fever continues to pose significant health challenges globally, with recent outbreaks in Bihar, India, prompting a search for effective therapeutic interventions. This study assesses the effectiveness of Montelukast, traditionally used for asthma, in mitigating the severity of dengue fever symptoms and its progression to dengue shock syndrome (DSS).

Objective: To evaluate the impact of Montelukast on the prevalence of dengue warning signs and the incidence of DSS in adult patients.

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Background: Pediatric patients with metastatic and/or recurrent solid tumors have poor survival outcomes despite standard-of-care systemic therapy. Stereotactic ablative radiation therapy (SABR) may improve tumor control. We report the outcomes with the use of SABR in our pediatric solid tumor population.

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Aim: The goal of this study was to get optimal brain tumor features from magnetic resonance imaging (MRI) images and classify them based on the three groups of the tumor region: Peritumoral edema, enhancing-core, and necrotic tumor core, using machine learning classification models.

Materials And Methods: This study's dataset was obtained from the multimodal brain tumor segmentation challenge. A total of 599 brain MRI studies were employed, all in neuroimaging informatics technology initiative format.

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  • The study evaluated the effectiveness of miniature plate osteosynthesis in treating 58 fractures of the metacarpals and phalanges in 50 adults over a follow-up period of 6 to 19 months.
  • Clinical assessments were performed using various scoring systems to measure hand function and recovery, confirming all fractures achieved perfect clinical and radiological union within an average of six weeks.
  • The results indicated that miniature plate fixation provided sufficient stability for immediate movement, leading to excellent functional outcomes and a quick return to normal activities without major complications.
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Pleural effusion is a common problem in our country, and most of these patients need invasive tests as they can't be evaluated by blood tests alone. The simplest of them is diagnostic pleural aspiration, and diagnostic techniques such as medical thoracoscopy are being performed more frequently than ever before. However, most physicians in India treat pleural effusion empirically, leading to delays in diagnosis, misdiagnosis and complications from wrong treatments.

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Aneurysmal bone cyst (ABC) is a non-malignant, locally destructive, blood-filled lesion in the bone that tends to grow aggressively. A young girl presented with a rapid recurrence after aggressive surgery of a large symptomatic sacral-spinal ABC. After a multidisciplinary tumour board, she was successfully treated with sclerotherapy and monthly intravenous denosumab.

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The Antarctic Circumpolar Current (ACC) represents the world's largest ocean-current system and affects global ocean circulation, climate and Antarctic ice-sheet stability. Today, ACC dynamics are controlled by atmospheric forcing, oceanic density gradients and eddy activity. Whereas palaeoceanographic reconstructions exhibit regional heterogeneity in ACC position and strength over Pleistocene glacial-interglacial cycles, the long-term evolution of the ACC is poorly known.

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Stereotactic radiosurgery (SRS) is an important weapon in the management of brain metastases. Single-fraction SRS is associated with local control rates ranging from approximately 70% to 100%, which are largely dependent on lesion and postoperative cavity size. The rates of local control and improved neurocognitive outcomes compared with conventional whole-brain radiation therapy have led to increased adoption of SRS in these settings.

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Diabetes mellitus, commonly referred to as diabetes, is a group of metabolic disorders characterized by chronic elevation in blood glucose levels, resulting from inadequate insulin production, defective cellular response to extracellular insulin, and/or impaired glucose metabolism. The two main types that account for most diabetics are type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM), each with their own pathophysiological features. T1D is an autoimmune condition where the body's immune system attacks and destroys the insulin-producing beta cells in the pancreas.

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