Publications by authors named "JOHN K"

Background/objectives: There is currently no consensus regarding the optimal strategy for reversal of anticoagulation in life-threatening hemorrhage associated with factor XIa (FXIa) inhibitors.

Methods: For this clinical case report, informed consent was obtained from surrogate.

Results And Discussion: Here, we present the case of an 82-year-old female who sustained a large subdural hematoma after a fall.

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Background: Middle meningeal artery embolization (MMAE) emerges as an alternative to conventional surgical drainage (CSD) for chronic subdural hematomas (cSDH). Several studies have suggested that MMAE improves the cost efficacy of cSDH treatment. However, further comprehensive analyses of the outcomes and healthcare costs of MMAE are necessary.

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Coronary artery disease (CAD) is a common and treatable cause of heart failure (HF), but ischemic evaluation is often overlooked when evaluating patients with new-onset HF. Here, we sought to discern demographic and clinical predictors of ischemic workup in patients with newly diagnosed HF. A retrospective study of 200 consecutive patients with new-onset HF admitted to our safety-net hospital between 2011 and 2015 was performed.

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Many fundamental aspects of New York State's climate have already begun to change, and the changes are projected to continue-and in some cases, accelerate-throughout the 21st century. This chapter explores observed and projected changes in a variety of physical variables that relate directly to weather and climate, starting with average and extreme air temperature and proceeding to the associated effects on precipitation, extreme events, and core properties of New York's coastal and inland waters. These climate attributes and hazards lead to impacts throughout the eight sectors of this assessment.

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Eustachian tube is complex and inaccessible structure. It connects nasopharynx to middle ear. It is composed of cartilaginous and bony segments.

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Objective This study aimed to enhance post-COVID-19 patients' understanding of musculoskeletal issues and their management through a structured educational program in the elderly population. Methodology The study included 60 participants. Each participant was assessed using sociodemographic tools and a structured knowledge questionnaire on post-COVID-19 musculoskeletal complications among elderly individuals.

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Partaking in regular exercise has vast psychological and physiological benefits. However, factors that promote sedentary lifestyle such as occupational obligations (desk-based work) or underlying health comorbidities can limit adherence to exercise regimes. Considering the current trends in physical inactivity, development of alternate strategies to replicate or mimic the beneficial adaptations associated with regular exercise may become a highly sought after commodity.

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Article Synopsis
  • Cardiogenic shock (CS) is a serious condition that can lead to severe complications, and this study looked at how changes in hemodynamic (blood flow-related) measurements correlate with patient outcomes in those suffering from heart failure or heart attack.
  • Researchers analyzed data from over 2,200 patients to compare the hemodynamic profiles at the start and end of hospitalization, finding that mortality rates were higher in patients with acute myocardial infarction compared to those with heart failure.
  • The study revealed that improvements in various hemodynamic and metabolic factors during hospitalization, such as lower blood pressure and better cardiac output, were linked to increased survival rates in both groups of patients.
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  • The CSWG-SCAI staging system helps assess the severity of cardiogenic shock (CS) in patients, but there’s limited data on how these stages change over time and affect outcomes.
  • This study analyzed data from 3,268 patients with acute myocardial infarction-related CS and heart failure-related CS to see how their SCAI stages changed over 72 hours.
  • Findings showed that most patients’ stages changed within the first 24 hours, particularly those in stage B who had a high risk of worsening, indicating that early detection and ongoing evaluation are crucial for improving patient outcomes.
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With the increasing utilization of endovascular mechanical circulatory support devices, such as the Impella CP (Abiomed), there is a need for standardized guidelines for its safe removal. Development of the Perclose post-closure technique was facilitated by the introduction of a new Impella repositioning sheath in 2019, which enabled re-access to the sidearm and stylet, rewiring of the access artery, and Impella sheath removal. Our retrospective single-center study included all patients undergoing Perclose post-closure technique for vascular access closure after Impella removal between 2018 and 2024.

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  • *A study analyzing hospital data from 2016 to 2020 revealed that while the rate of AF/AFL hospitalizations was stable prior to 2020, it dropped sharply in 2020 alongside an increase in severe outcomes like mortality and stroke.
  • *Key factors associated with worse outcomes included older age, ischemic heart disease, chronic kidney disease, and COVID-19 infection itself.
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  • * Heart replacement therapies can be effective but are limited to a small group of patients; thus, understanding the underlying causes and optimizing recovery factors is crucial.
  • * This review discusses the pathophysiology of CS, what helps predict heart recovery, and emphasizes the need for more research to bridge the knowledge gaps in treating CS effectively.
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Terrestrial plant and soil organic carbon stocks are critical for regulating climate change, enhancing soil fertility, and supporting biodiversity. While a global-scale decoupling between plant and soil organic carbon has been documented, the hotspots and interconnections between these two carbon compartments across Africa, the second-largest continent on the planet, have been significantly overlooked. Here, we have compiled over 10,000 existing soil organic carbon observations to generate a high-resolution map, illustrating the distribution pattern of soil organic carbon in Africa.

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Factors that contribute to optimal chalcopyrite bioleaching by extremely thermoacidophilic archaea were examined for ten species belonging to the order Sulfolobales from the genera Acidianus (A. brierleyi), Metallosphaera (M. hakonensis, M.

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This research examined soil contamination and the uptake of potentially toxic elements (PTEs) by maize plants in mining communities. We collected 192 soil samples and 40 maize plant samples from two mining areas and a pristine site. We analyzed the physical properties and element content of the soil, including phosphorus, nitrogen, potassium, Fe, Zn, Co, Pb, Cd, Cr, and Ni.

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Article Synopsis
  • Acute right ventricular failure (RVF) often occurs in various diseases and can lead to serious health issues, particularly when accompanied by cardiogenic shock (CS).
  • Right-sided temporary mechanical circulatory support (tMCS) devices are utilized to relieve heart stress and improve blood circulation in affected patients, although there is no agreed-upon protocol for their use.
  • This review aims to outline the current treatments for acute RVF, the decision-making process for using tMCS devices, key management elements like fluid levels and anticoagulation, and guidelines for gradually discontinuing tMCS support.
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  • The study aimed to assess the impact of a 4-week post-exercise passive leg heating protocol on endurance performance in recreationally trained participants.
  • Thirty participants were split into a passive heating group (who wore a heated ensemble) and a control group, with various endurance and vascular measurements taken at different points during the study.
  • Results showed no improvement in endurance capacity or vascular health for the heating group; in fact, some negative effects on oxygen kinetics and exercise performance were observed.
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Background: The 2021 Surviving Sepsis Campaign Guidelines recommend the use of hydrocortisone in patients who remain hemodynamically unstable despite adequate fluid resuscitation and vasopressor therapy. Fludrocortisone has been used concomitantly with hydrocortisone in some studies without a clearly defined role or known clinical benefit. The purpose of this study was to assess the impact of fludrocortisone added to hydrocortisone on shock-free days for septic shock.

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  • A study analyzed data from 7,070 patients with cardiogenic shock (CS), finding that 5.6% developed acute limb ischemia (ALI), particularly among women and those with peripheral arterial disease.* -
  • ALI incidence increased with the severity of CS, with highest rates among patients using advanced support devices like VA-ECMO and balloon pumps, yet less than half used distal perfusion catheters.* -
  • Mortality rates were significantly higher for patients with ALI (57.4%) compared to those without (38.0%), highlighting ALI's severe impact on survival in CS patients.*
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Co-infection of Lactococcus garvieae and Aeromonas hydrophila, has been confirmed from diseased Nile Tilapia (Oreochromis niloticus), Chithralada strain cultured in a freshwater rearing pond of Alappuzha district of Kerala, India. The aetiological agents behind the disease outbreak were bacteriologically proven and confirmed by 16SrRNA sequencing and phylogenetic analysis. PCR detection of the virulent genes, showed existence of adhesin and hemolysin in L.

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Graphitic carbon nitride (g-CN) is a widely studied visible-light-active photocatalyst for low cost, non-toxicity, and facile synthesis. Nonetheless, its photocatalytic efficiency is below par, due to fast recombination of charge carriers, low surface area, and insufficient visible light absorption. Thus, the research on the modification of g-CN targeting at enhanced photocatalytic performance has attracted extensive interest.

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