42 results match your criteria: "Icahn School of Medicine at Mount Sinai New York NY USA.[Affiliation]"

Molecular detection of trypanosomatids among cave-dwelling bats from Colombia.

Int J Parasitol

January 2025

Grupo de Enfermedades Infecciosas Facultad de Ciencias Pontificia Universidad Javeriana Bogotá Colombia. Electronic address:

Bats play crucial roles in various ecosystems including caves. Although the presence of trypanosomatid species in bats has been documented in Colombia, their diversity in cave-dwelling bats remains unclear. This study aimed to characterize the frequency and diversity of protists from the family Trypanosomatidae circulating in bats from the Macaregua cave ecosystem in Santander, Colombia.

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  • The BIONICS and NIREUS trials compared the ridaforolimus-eluting stent (RES) and zotarolimus-eluting stent (ZES), showing that RES was noninferior to ZES for 1-year target-lesion failure and 6-month lumen loss.
  • A pooled analysis of 2221 patients over 5 years found similar rates of target-lesion failure (12.2% for RES vs 11.3% for ZES), with no significant differences in other outcomes like myocardial infarction or stent thrombosis.
  • Although the RES group had higher rates of target-vessel revascularization and cardiac death, these differences were not significant after adjusting for patient characteristics, indicating long-term
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The gut microbiome plays critical roles in human homeostasis, disease progression, and pharmacological efficacy through diverse metabolic pathways. Gut bacterial β-glucuronidase (GUS) enzymes reverse host phase 2 metabolism, in turn releasing active hormones and drugs that can be reabsorbed into systemic circulation to affect homeostasis and promote toxic side effects. The FMN-binding and loop 1 gut microbial GUS proteins have been shown to drive drug and toxin reactivation.

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Background: Cerebrovascular events remain one of the most devastating complications of transcatheter aortic valve implantation (TAVI). Data from real-world contemporary cohorts on longitudinal trends and outcomes remain limited. The aim of this study was to assess incidence, temporal trends, predictors, and outcomes of cerebrovascular events following transfemoral TAVI.

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  • - Percutaneous left atrial appendage closure (LAAC) is being explored as a non-drug option for preventing strokes in patients with atrial fibrillation, but there’s still limited comparative data on its effectiveness versus traditional anticoagulants like vitamin K antagonists (VKAs) and direct oral anticoagulants (DOACs).
  • - A meta-analysis of seven trials involving over 73,000 patients found that LAAC has similar rates of stroke or systemic embolism compared to VKAs and DOACs, and while bleeding risks were similar, LAAC was linked to lower bleeding risk after excluding procedural complications.
  • - Ultimately, both LAAC and DOACs showed lower all-cause mortality compared to VK
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Background: Endothelial cell (EC) dysfunction involves reduced nitric oxide (NO) bioavailability due to NO synthase uncoupling linked to increased oxidation and reduced cofactor availability. Loss of endothelial function and NO bioavailability are associated with inflammation, including leukocyte activation. Eicosapentaenoic acid (EPA) administered as icosapent ethyl reduced cardiovascular events in REDUCE-IT (Reduction of Cardiovascular Events With Icosapent Ethyl-Intervention Trial) in relation to on-treatment EPA blood levels.

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Elevated lipoprotein(a) is a genetically transmitted codominant trait that is an independent risk driver for cardiovascular disease. Lipoprotein(a) concentration is heavily influenced by genetic factors, including kringle IV-2 domain size, single-nucleotide polymorphisms, and interleukin-1 genotypes. Apolipoprotein(a) is encoded by the gene and contains 10 subtypes with a variable number of copies of kringle -2, resulting in >40 different apolipoprotein(a) isoform sizes.

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Background: Racial disparities in oncological outcomes resulting from differences in social determinants of health (SDOH) and tumour biology are well described in prostate cancer (PCa) but similar inequities exist in bladder (BCa) and renal cancers (RCCs). Precision medicine (PM) aims to provide personalized treatment based on individual patient characteristics and has the potential to reduce these inequities in GU cancers.

Objective: This article aims to review the current evidence outlining racial disparities in GU cancers and explore studies demonstrating improved oncological outcomes when PM is applied to racially diverse patient populations.

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Background: Clinical practice guidelines (CPGs) offer disease management recommendations based on scientific evidence. However, financial conflicts of interest between CPG developers and the pharmaceutical industry could bias these recommendations, potentially affecting patient care. Proper management of these conflicts of interest is particularly crucial for maintaining the integrity of CPGs.

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  • Myocardial infarction from spontaneous coronary artery dissection (SCAD) can lead to significant psychological issues, including posttraumatic stress disorder (PTSD), affecting many patients' quality of life.
  • In a study involving 1,156 SCAD patients, nearly 35% had experienced probable PTSD at some point, but a significant portion had not sought treatment for their symptoms.
  • Factors such as younger age at first SCAD, being single, and having a history of anxiety were linked to higher PTSD symptom severity, highlighting the need for better screening and treatment connections for affected individuals.
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Background: Prior research suggests clinical effects of glucagon-like peptide-1 receptor agonists (GLP-1RAs) and sodium-glucose cotransporter-2 inhibitors (SGLT2is) are mediated by changes in glycated hemoglobin, body weight, systolic blood pressure, hematocrit, and urine albumin-creatinine ratio. We aimed to confirm these findings using a meta-analytic approach.

Methods And Results: We updated a systematic review of 9 GLP-1RA and 13 SGLT2i trials and summarized longitudinal mediator data.

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Background: Given increases in drug overdose-associated mortality, there is interest in better understanding of drug overdose out-of-hospital cardiac arrest (OHCA). A comparison between overdose-attributable OHCA and nonoverdose-attributable OHCA will inform public health measures.

Methods And Results: We analyzed data from 2017 to 2021 in the Cardiac Arrest Registry to Enhance Survival (CARES), comparing overdose-attributable OHCA (OD-OHCA) with OHCA from other nontraumatic causes (non-OD-OHCA).

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Background: Reasons for racial disparities in the use and outcomes of endovascular treatment (ET) are not known. We examined patterns in care segregation for acute ischemic stroke (AIS) in the United States, and outcomes of segregation of care after ET.

Methods And Results: We used deidentified Medicare data sets to identify AIS admissions between January 1, 2016 and December 31, 2019, using validated () codes.

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West Nile virus (WNV) is the most significant arbovirus in the United States in terms of both morbidity and mortality. West Nile exists in a complex transmission cycle between avian hosts and the arthropod vector, spp. mosquitoes.

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Objective: Platelet-rich plasma (PRP) is rich in growth factors and is easily obtained from blood samples. Long-term data after PRP injection into the larynx should be improved. This study reports the short-term (3 months) and long-term (12 months) voice results after PRP injection.

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  • This study investigates the occurrence of worsening renal function (WRF) in heart failure patients undergoing mitral valve transcatheter edge-to-edge repair (TEER) as opposed to those receiving only guideline-directed medical therapy (GDMT).
  • The findings show that 11.3% of patients experienced WRF within 30 days, with higher associated mortality but no significant impact on heart failure hospitalizations.
  • Overall, TEER was found to reduce mortality and hospitalizations for heart failure, regardless of whether WRF was present, indicating its effectiveness compared to GDMT alone.
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In this work, we propose the use of molecular emission of calcium fluoride (CaF) by laser induced breakdown spectroscopy (LIBS) to obtain quantitative fluoride distribution images of teeth. LIBS has proved to be an efficient technique to detect low amounts of fluoride in solids, and human teeth have the advantage being a matrix rich in calcium. We used new calibration material from sintered hydroxyapatite pellets doped with fluoride to determine the optimized LIBS conditions of argon flow at 1 L min and using the green emission bands of CaF in 530 nm, and obtained a calibration curve between 0 and 400 μg g, and LOD of 18 μg g.

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Background A subset of good-grade patients with aneurysmal subarachnoid hemorrhage (aSAH) develop delayed cerebral ischemia (DCI) that may cause permanent disabilities after aSAH. However, little is known about the risk factors of DCI among this specific patient group. Methods and Results We obtained a multinational cohort of good-grade (Glasgow Coma Scale 13-15 on admission) patients with aSAH by pooling patient data from 4 clinical trials and 2 prospective cohort studies.

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Objectives: To determine the benefit of performing transperineal prostate mapping biopsy (TPMB) following multiparametric magnetic resonance imaging (mpMRI) to increase the identification of clinically significant prostate cancer (csPCa) with Gleason grade group (GG) ≥ 2 and their locations outside of the PI-RADS v2 3-5 category lesions.

Methods: mpMRI was performed in 80 men prior TPMB from two institutions. The mpMRI was considered clinically significant (csMRI) if it contained one or more PI-RADS 3-5 category lesion.

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Obesity is a common comorbidity of type 2 diabetes (T2D). Therefore, increased risk of fragility fractures in T2D is often confounded by the effects of obesity. This study was conducted to elucidate the mechanistic basis by which T2D alone leads to skeletal fragility.

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Objectives: To better understand how immune responses may be harnessed against breast cancer, we investigated which immune cell types and signalling pathways are required for spontaneous control of a mouse model of mammary adenocarcinoma.

Methods: The NOP23 mammary adenocarcinoma cell line expressing epitopes derived from the ovalbumin model antigen is spontaneously controlled when orthotopically engrafted in syngeneic C57BL/6 mice. We combined this breast cancer model with antibody-mediated depletion of lymphocytes and with mutant mice affected in interferon (IFN) or type 1 conventional dendritic cell (cDC1) responses.

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Pseudoaneurysms of the mitral-aortic intervalvular fibrosa can rupture and form fistulous communications between the left ventricle and left atrium. Pulmonary venous systolic flow reversal in such cases reflects elevated left atrial pressure due to shunting. This finding, particularly in the setting of endocarditis, is not specific for severe mitral regurgitation.

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