Publications by authors named "Sharma Shashank"

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  • The study identifies the time-dependent mechanism for creating CoFe(OH)-t nanomesh, which is crucial for developing an effective catalyst for the oxygen evolution reaction (OER).
  • Utilizing 2-ethyl imidazole as an etching agent, the research showed that the nanomesh transformed from layered structures to uniform ink-bottle pores over 24 hours, optimizing pore size for catalytic efficiency.
  • The best-performing catalyst, CoFe(OH)-24 h, achieved outstanding electrochemical metrics including a 330 mV overpotential and demonstrated excellent stability with high average current density during prolonged electrolysis.
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  • Carpal tunnel syndrome (CTS) is a serious condition caused by nerve compression, which is often diagnosed using nerve conduction studies (NCS), but this study explores ultrasound as a potential alternative for diagnosis.
  • The study analyzed 80 patients using various ultrasound measurements like cross-sectional area (CSA) and delta CSA, comparing their effectiveness against NCS as the gold standard.
  • Results showed that delta CSA had the highest accuracy (91.25%) for diagnosing CTS, suggesting it may be a more reliable ultrasound parameter, with recommendations for further research to solidify these findings.
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As the population ages, the number of vascular surgery procedures performed increases. Older adults often have multiple comorbidities, such as diabetes and hypertension, that increase the risk of complications from vascular surgery including vascular graft infection (VGI). VGI is a serious complication with significant morbidity, mortality, and healthcare costs.

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Background: Autologous whole-blood intralesional injection has attracted interest as a possible means of treatment for chronic plantar fasciitis. We contrasted its effectiveness with that of corticosteroids, which have a longer history of success in treating tendinopathies such as plantar fasciitis. In order to monitor the disease's progress naturally, we also compared them with a placebo.

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Background: Schwannomas are common peripheral nerve sheath tumors. Imaging techniques such as magnetic resonance imaging (MRI) and computed tomography (CT) can help to distinguish schwannomas from other types of lesions. However, there have been several reported cases describing the misdiagnosis of aneurysms as schwannomas.

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A 70-year-old female presented with left sided low back pain. There was no history of any co-morbidities or immunocompromised state. Skeletal cryptococcosis was confirmed bsaed on culture and histopathology, along with pulmonary involvement.

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Objective: To evaluate the clinical efficacy and safety of leflunomide (L) added to the standard-of-care (SOC) treatment in COVID-19 patients hospitalised with moderate/critical clinical symptoms.

Design: Prospective, open-label, multicentre, stratified, randomised clinical trial.

Setting: Five hospitals in UK and India, from September 2020 to May 2021.

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  • The text discusses a rare case of a 24-year-old woman with continuous urinary incontinence due to vesicovaginal and ureterovaginal fistulas after a total abdominal hysterectomy.
  • Diagnosis involved cystoscopy revealing abnormal tissue and a hidden ureteric opening, indicating complex surgical needs.
  • The surgery successfully repaired the fistulas and resolved incontinence, highlighting the importance of thorough investigation and histological checks for malignancy in similar cases.
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Ruptured abdominal aortic aneurysm (RAAA) is an acute aortic condition that requires emergent intervention and appropriate continuity of care to optimize patient outcomes. We describe the standardized RAAA protocol at the Houston Methodist Hospital Acute Aortic Treatment Center, developed to navigate critical patient transfer periods safely and efficiently, make crucial decisions about surgical intervention, and clearly communicate these plans with other care team providers. Our workflow is organized into five phases: prehospital, preoperative, intraoperative, postoperative, and post-discharge.

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How does neural activity drive muscles to produce behavior? The recent development of genetic lines in that allow complete calcium imaging of both neuronal and muscle activity, as well as systematic machine learning quantification of behaviors, makes this small cnidarian an ideal model system to understand and model the complete transformation from neural firing to body movements. To achieve this, we have built a neuromechanical model of 's fluid-filled hydrostatic skeleton, showing how drive by neuronal activity activates distinct patterns of muscle activity and body column biomechanics. Our model is based on experimental measurements of neuronal and muscle activity and assumes gap junctional coupling among muscle cells and calcium-dependent force generation by muscles.

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  • - The study investigates the complications and risks associated with indwelling ureteral stents left in place for over six months, which can lead to issues like stent migration and renal function loss.
  • - Out of 114 patients analyzed, common symptoms included abdominal pain and dysuria, with a notable 7.9% experiencing permanent renal damage, often due to poor patient compliance and misunderstandings about stent duration.
  • - Implementing a "three steps" prevention check significantly reduced the incidence of retained stents from 1.1% to 0.5%, highlighting the importance of timely follow-up and patient education for stent management.
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Current work explored solid-state additive manufacturing of AZ31B-Mg alloy using additive friction stir deposition. Samples with relative densities ≥ 99.4% were additively produced.

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Background: Severe gastrointestinal (GI) complications (GICs) after cardiac surgery are associated with poor outcomes. Herein, we characterize the severe forms of GICs and associated risk factors of mortality.

Methods: We retrospectively analyzed the clinically significant postoperative GICs after cardiac surgical procedures performed at our institution from January 2010 to April 2017.

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: Severe Acute Respiratory Syndrome coronavirus-2 (SARS-CoV-2) has caused enormous strain on health-care systems worldwide. Early recognition of prognostic markers and appropriate management of patients with coronavirus disease 2019 (Covid-19) remains a major global health concern, particularly when resources are limited. We undertook a study to see if basic tests can inform frontline clinicians of disease trajectory in individual patients with COVID-19.

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Objective: Data regarding the treatment of tandem carotid artery lesions at the bifurcation and ipsilateral, proximal common carotid artery (CCA) are limited. It has been suggested that concomitant treatment with carotid endarterectomy (CEA) and proximal ipsilateral carotid artery stenting confers a high risk of stroke and death. The objective of this study was to evaluate the technique and outcomes of this hybrid procedure at a single institution.

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Various risk models with differing discriminatory power and predictive accuracy have been used to predict right ventricular failure (RVF) after left ventricular assist device (LVAD) placement. There remains an unmet need for a contemporary risk score for continuous flow (CF)-LVADs. We sought to independently validate and compare existing risk models in a large cohort of patients and develop a simple, yet highly predictive risk score for acute, severe RVF.

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Biliary mucinous cystic neoplasms are rare parenchymal neoplasms with a considerable malignant potential. Due to a lack of diagnostic imaging criteria, histopathologic evaluation remains the definitive method of diagnosis. Resection is the treatment of choice.

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Lymphoid recovery following myeloablative stem cell transplantation (SCT) displays a logistic pattern of exponential growth followed by a plateau. Within this logistic framework, lymphoid recovery is characterized by the parameters R (slope of ascent), a (time of maximal rate of ascent) and K (plateau), the 'steady-state' lymphocyte count. A retrospective analysis of allogeneic SCT performed from 2008 to 2013 was undertaken to compare lymphoid recovery and clinical outcomes in 131 patients with acute myelogenous leukemia, acute lymphocytic leukemia, and myelodysplastic syndromes.

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Background: Pump thrombosis is a major adverse event in patients supported with a left ventricular assist device (LVAD). Treatment approaches include device exchange, lytic therapy, or augmentation of anticoagulation or antiplatelet therapy. The optimal strategy in the HeartWare HVAD Ventricular Assist System (HeartWare, Framingham, MA) is uncertain, and because few large studies have examined differing treatment outcomes, we have reviewed findings from the Mechanical Circulatory Support Research Network registry.

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Background: Psychosocial factors impact survival in patients undergoing cardiac transplantation, but it is unclear whether they affect outcomes in patients undergoing left ventricular assist device (LVAD) implantation as destination therapy (DT).

Methods: Patients undergoing DT LVAD at the Mayo Clinic in Rochester, MN, from February 2007 to December 2013 were included. Psychosocial characteristics at the time of LVAD implantation were abstracted from the medical record.

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We illustrate a novel impedance immunosensor which rapidly and sensitively detects typhoid-causing infectious bacteria Salmonella enterica serovar (Salmonella typhi) in 10 μL of sample volume. The bacteria are tagged with gold nanoparticles (Au NPs) via high-affinity antigen-antibody interactions for enhanced signal amplification and selectivity. The cell-particle bioconjugates are then subjected to alternating current (AC) electric fields applied through interdigitated microelectrodes.

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The gradual evolution of left ventricular assist device (LVAD) therapy has resulted in a durable option for patients as either a bridge to transplantation (BTT) or a destination therapy (DT). Outcomes with current continuous-flow devices continue to demonstrate significant patient benefit, not only in enhanced survival but also in improved functional capacity and quality of life. While the lessening of adverse events through time has resulted in more widespread adoption of this therapy, there continues to be unintended consequences, including, most notably, infection, bleeding, and thrombosis.

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An electrochemical experiment (Linear Polarization) has been carried out to illustrate the binding of Cd2+ and Pb2+ by Moringa oleifera seed powder. Reduction in Open Circuit Potential (OCP) value indicates a decrease in the metal concentration due to the binding of metal ions at the active sites of biomass. Maximum sorption of Cd2+ and Pb2+ was calculated by the use of Nernst equation and found to be 81.

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