Publications by authors named "Debraj Das"

The current study investigates the severe effects of commonly employed chemicals, such as phenol, on the freshwater bottom-dwelling annelids of . In an acute toxicity test, phenol's 96-hour LC value against was identified to be 221.552 mg/L.

View Article and Find Full Text PDF

Understanding protein sequence and structure is essential for understanding protein-protein interactions (PPIs), which are essential for many biological processes and diseases. Targeting protein binding hot spots, which regulate signaling and growth, with rational drug design is promising. Rational drug design uses structural data and computational tools to study protein binding sites and protein interfaces to design inhibitors that can change these interactions, thereby potentially leading to therapeutic approaches.

View Article and Find Full Text PDF

Background: In patients with ST-segment-elevation myocardial infarction complicated by cardiogenic shock, primary percutaneous coronary intervention (pPCI) is the preferred revascularization option. Little is known about the efficacy and safety of a pharmacoinvasive approach for patients with cardiogenic shock presenting to a non-PCI hospital with prolonged interhospital transport times.

Methods: In a retrospective analysis of geographically extensive ST-segment-elevation myocardial infarction network (2006-2021), 426 patients with cardiogenic shock and ST-segment-elevation myocardial infarction presented to a non-PCI-capable hospital and underwent reperfusion therapy (53.

View Article and Find Full Text PDF

Background: Although ST-elevation myocardial infarction (STEMI) management has evolved substantially over the past decade, its effect on bleeding and transfusion rates are largely unknown in a contemporary population.

Methods: Our study cohort included patients 20 years of age or older who were hospitalized for STEMI between 2007 and 2016 across all Canadian provinces, except Quebec. Unadjusted rates of bleeding and of transfusion during STEMI episodes were calculated overall and for each province according to fiscal year.

View Article and Find Full Text PDF

For mean-field classical spin systems exhibiting a second-order phase transition in the stationary state, we obtain within the corresponding phase-space evolution according to the Vlasov equation the values of the critical exponents describing power-law behavior of response to a small external field. The exponent values so obtained significantly differ from the ones obtained on the basis of an analysis of the static phase-space distribution, with no reference to dynamics. This work serves as an illustration that cautions against relying on a static approach, with no reference to the dynamical evolution, to extract critical exponent values for mean-field systems.

View Article and Find Full Text PDF

Importance: Pragmatic trials test interventions using designs that produce results that may be more applicable to the population in which the intervention will be eventually applied.

Objective: To investigate how pragmatic or explanatory cardiovascular (CV) randomized clinical trials (RCT) are, and if this has changed over time.

Data Source: Six major medical and CV journals, including New England Journal of Medicine, Lancet, JAMA, Circulation, European Heart Journal, and Journal of the American College of Cardiology.

View Article and Find Full Text PDF

Background: The sinus node inhibitor ivabradine was approved for patients with heart failure (HF) after the ivabradine and outcomes in chronic HF (SHIFT [Systolic Heart Failure Treatment With the IF Inhibitor Ivabradine Trial]) trial. Our objective was to characterize the proportion of patients with HF eligible for ivabradine and the representativeness of the SHIFT trial enrollees compared with those in the Swedish Heart Failure Registry.

Methods And Results: We examined 26 404 patients with clinical HF from the Swedish Heart Failure Registry and divided them into SHIFT type (left ventricular ejection fraction <40%, New York Heart Association class II-IV, sinus rhythm, and heart rate ≥70 beats per minute) and non-SHIFT type.

View Article and Find Full Text PDF

Introduction: Given the rising prevalence of heart failure (HF), our objective is to explore the relationships between meteorological events and acute HF (AHF) globally.

Methods: We used data from 30 countries participating in the ASCEND-HF trial. Parameters including temperature were normalized by location for the 37 days prior to the HF event.

View Article and Find Full Text PDF

Double aortic arch is a congenital anomaly that rarely presents in adults. We describe the case of a 69-year-old male who presented with a double aortic arch, right arch dominant, left arch patent, experiencing progressive dysphagia since childhood.

View Article and Find Full Text PDF

Background: Baseline Q waves may provide additional value compared with time from the onset of symptoms in predicting outcomes for patients with ST-segment elevation. We evaluated whether baseline Q waves superseded time from symptom onset as a prognostic marker of one-year mortality in patients with ST-segment elevation acute coronary syndrome. Our study was derived from data from patients undergoing primary percutaneous coronary intervention within 24 hours in the PLATelet inhibition and patient Outcomes trial

Methods: Q waves on the baseline electrocardiogram were evaluated by a blinded core laboratory.

View Article and Find Full Text PDF