163 results match your criteria: "Brigham and Women's Hospital and Harvard Medical School Boston[Affiliation]"
Clin Transl Immunology
August 2023
Program in MPE Molecular Pathological Epidemiology, Department of Pathology Brigham and Women's Hospital and Harvard Medical School Boston MA USA.
Objectives: The CD274 (programmed cell death 1 ligand 1, PD-L1)/PDCD1 (programmed cell death 1, PD-1) immune checkpoint axis is known to regulate the antitumor immune response. Evidence also supports an immunosuppressive effect of . We hypothesised that tumor CD274 overexpression might be inversely associated with abundance of in colorectal carcinoma.
View Article and Find Full Text PDFCirc Heart Fail
May 2023
Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School Boston, MA (K.S.J., B.L.C., M.A.P., S.D.S., E.B.).
Background: NT-proBNP (N-terminal pro-B-type natriuretic peptide) is a potent predictor of death and heart failure (HF) across multiple populations. We evaluated the prognostic importance of NT-proBNP in patients with acute myocardial infarction (MI) complicated by left ventricular systolic dysfunction, pulmonary congestion, or both and ≥1 of 8 risk-augmenting factors enrolled in the PARADISE-MI trial (Prospective ARNI vs ACE Inhibitor Trial to Determine Superiority in Reducing Heart Failure Events After Myocardial Infarction).
Methods: Patients were randomized to sacubitril/valsartan 200 mg or ramipril 5 mg twice daily within 0.
J Am Heart Assoc
April 2023
Division of Cardiovascular Medicine, Brigham and Women's Hospital and Harvard Medical School Boston MA.
The definition of pulmonary hypertension (PH) has changed recently based, in part, on contemporary outcome data and to focus on early disease detection. Now, PH includes patients with mean pulmonary artery pressure >20 mm Hg measured by right heart catheterization. In contrast to the classical era, pulmonary vascular resistance >2.
View Article and Find Full Text PDFBackground The COVID-19 pandemic disrupted traditional health care; one fallout was a drastic decrease in blood pressure (BP) assessment. We analyzed the pandemic's impact on our existing remote hypertension management program's effectiveness and adaptability. Methods and Results This retrospective observational analysis evaluated BP control in an entirely remote management program before and during the pandemic.
View Article and Find Full Text PDFImeta
February 2023
Channing Division of Network Medicine, Department of Medicine Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA.
Quantifying the contributions of possible environmental sources ("sources") to a specific microbial community ("sink") is a classical problem in microbiology known as microbial source tracking (MST). Solving the MST problem will not only help us understand how microbial communities were formed, but also have far-reaching applications in pollution control, public health, and forensics. MST methods generally fall into two categories: target-based methods (focusing on the detection of source-specific indicator species or chemicals); and community-based methods (using community structure to measure similarity between sink samples and potential source environments).
View Article and Find Full Text PDFJ Gen Fam Med
November 2022
Division of Clinical Epidemiology, Research Center for Medical Sciences The Jikei University School of Medicine Tokyo Japan.
Background: Pelvic inflammatory disease (PID) is not a mere transient infection. PID can lead to chronic pain, ectopic pregnancy, and infertility. Although the Centers for Disease Control and Prevention have established minimum diagnostic criteria, including pelvic examination, the diagnostic value of pelvic tenderness has recently garnered controversy.
View Article and Find Full Text PDFJ Am Heart Assoc
November 2022
Cardiovascular Division, Department of Medicine Brigham and Women's Hospital and Harvard Medical School Boston MA.
Background Peripheral artery disease (PAD) is associated with gastrocnemius muscle abnormalities. However, the biological pathways associated with gastrocnemius muscle dysfunction and their associations with progression of PAD are largely unknown. This study characterized differential gene and microRNA (miRNA) expression in gastrocnemius biopsies from people without PAD compared with those with PAD.
View Article and Find Full Text PDFJ Am Heart Assoc
September 2022
Perinatal and Cardiovascular Epidemiology Lund University Diabetes Centre, Clinical Sciences Malmö, Lund University Malmö Sweden.
Background A history of preeclampsia is associated with increased risk of coronary artery disease and experimental evidence suggests that a history of preeclampsia also increases the risk of restenosis. However, the extent to which a history of preeclampsia is associated with risk of restenosis after percutaneous coronary intervention in women is unknown. Methods and Results We included 6065 parous women aged ≤65 years with first percutaneous coronary intervention on 9452 segments 2006 to 2017, linking nationwide data on percutaneous coronary intervention and delivery history in Sweden.
View Article and Find Full Text PDFEur J Heart Fail
October 2022
Cardiovascular Division, Brigham and Women's Hospital and Harvard Medical School Boston, Boston, MA, USA.
Aim: The win ratio can incorporate different types of outcomes and enhance statistical power, making it a useful method for analysing composite outcomes in cardiovascular trials. The application of this approach to the PARADISE-MI trial provides an additional perspective into understanding the effects of sacubitril/valsartan in patients with acute myocardial infarction.
Methods And Results: We conducted a post-hoc analysis of the PARADISE-MI trial, which randomly assigned patients with acute myocardial infarction complicated by a reduced left ventricular ejection fraction, pulmonary congestion, or both to receive either sacubitril/valsartan (97 mg of sacubitril and 103 mg of valsartan twice daily) or ramipril (5 mg twice daily) in addition to guideline-recommended therapy.
Res Pract Thromb Haemost
July 2022
Division of Cardiovascular Medicine, Department of Medicine Brigham and Women's Hospital and Harvard Medical School Boston Massachusetts USA.
Background: Both coronavirus disease-2019 (COVID-19) and myeloproliferative neoplasms (MPNs) are associated with systemic inflammation and risk of thrombosis. Risk of thrombosis in patients with COVID with and without MPNs has not been extensively studied.
Methods: Retrospective cohort study of 44 patients with MPNs and 1114 patients without MPNs positive for SARS-COV-2.
Am J Respir Cell Mol Biol
November 2022
Department of Internal Medicine Wake Forest University Health Sciences Winston-Salem, North Carolina.
Imeta
September 2022
CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences Shenzhen China.
Microbial strains of variable functional capacities coexist in microbiomes. Current bioinformatics methods of strain analysis cannot provide the direct linkage between strain composition and their gene contents from metagenomic data. Here we present -level genome ecomposition nalysis (StrainPanDA), a novel method that uses the pangenome coverage profile of multiple metagenomic samples to simultaneously reconstruct the composition and gene content variation of coexisting strains in microbial communities.
View Article and Find Full Text PDFJ Am Heart Assoc
August 2022
Cardiology Section San Francisco Veterans Affairs Health Care System San Francisco CA.
Background Advanced glycation endproducts (AGEs) have been linked to cardiovascular disease (CVD) in cohorts with and without diabetes. Data are lacking on prospective associations of various α-dicarbonyl-derived AGEs and incident CVD in the general population. We tested the hypothesis that major plasma AGEs are associated with new-onset CVD in 2 population-based cohorts of differing age and comorbidities.
View Article and Find Full Text PDFJ Am Heart Assoc
July 2022
Division of Preventive Medicine, Department of Medicine Brigham and Women's Hospital and Harvard Medical School Boston MA.
Background Few data exist on long-term steps and their relation to changes in cardiovascular disease risk factors. We aimed to examine the associations using long-term smartphone-recorded steps. Methods and Results The present analysis made use of data from 2 national databases and a commercial app database.
View Article and Find Full Text PDFBackground The transition to dialysis period carries a substantial increased cardiovascular risk in patients with chronic kidney disease. Despite this, alterations in cardiovascular functional capacity during this transition are largely unknown. The present study therefore sought to assess ventilatory exercise response measures in patients within 1 year of initiating dialysis.
View Article and Find Full Text PDFIntroduction: This study explored the efficacy and safety of a serotonin-6 receptor antagonist, masupirdine, as adjunct treatment in patients with moderate Alzheimer's disease (AD) concomitantly treated with donepezil and memantine.
Methods: The effects of masupirdine were evaluated in patients with moderate AD dementia on background treatment with donepezil and memantine. Five hundred thirty-seven patients were expected to be randomized in a 1:1:1 ratio, using permuted blocked randomization.
Pulm Circ
January 2022
Department of Medicine, Research and Development Service, Pulmonary, Allergy, Sleep, and Critical Care Medicine Section Veterans Affairs Boston Healthcare System Boston Massachusetts USA.
Treating Veterans with chronic obstructive pulmonary disease complicated by pulmonary hypertension (COPD-PH) using phosphodiesterase type-5 inhibitor pharmacotherapy is common, but efficacy data are lacking. To address this further, patients with COPD-PH from five Department of Veterans Affairs hospitals were randomized (1∶1) to receive placebo or oral tadalafil (40 mg/day) for 12 months. The primary endpoint was changed from baseline in 6-min walk distance at 12 months.
View Article and Find Full Text PDFRSC Adv
April 2022
Department of Chemistry and Loker Hydrocarbon Research Institute, University of Southern California Los Angeles California 90089 USA
The first total convergent synthesis of 4(),5()-oxido-17()-hydroxy-6(),8(),10(),13(),15(),19()-docosahexaenoic acid (1) is described. The reported synthesis led to confirmation of the native epoxydocosahexaenoic acid as the biosynthetic precursor of lipid mediators resolvin D3 and resolvin D4. These potent enzymatic products of docosahexaenoic acid (DHA) are important signaling molecules in the resolution of inflammation.
View Article and Find Full Text PDFBackground Epidemiologic studies on the relationship between avocado intake and long-term cardiovascular disease (CVD) risk are lacking. Methods and Results This study included 68 786 women from the NHS (Nurses' Health Study) and 41 701 men from the HPFS (Health Professionals Follow-up Study; 1986-2016) who were free of cancer, coronary heart disease, and stroke at baseline. Diet was assessed using validated food frequency questionnaires at baseline and then every 4 years.
View Article and Find Full Text PDFAnn Allergy Asthma Immunol
June 2022
Division of Allergy and Immunology, Department of Pediatrics, Nationwide Children's Hospital-The Ohio State University College of Medicine, Columbus, Ohio.
Background Whether cardiac structure and function abnormalities associated with dysglycemia are sufficient to explain the increased risk of death or heart failure (HF) remains unclear. Methods and Results We analyzed 6059 participants (mean age, 75±5 years; 58% women; and 22% Black individuals) who attended the ARIC (Atherosclerosis Risk in Communities) study visit 5 examination (2011-2013). Participants were categorized as no diabetes, pre-diabetes, and diabetes (on the basis of medical history and glycated hemoglobin values).
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