Joseph Knapper

ORCID: 0000-0003-2334-8395
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About
Contact & Profiles
Research Areas
  • Cardiac Imaging and Diagnostics
  • Acute Myocardial Infarction Research
  • Cardiovascular Function and Risk Factors
  • Cardiovascular Disease and Adiposity
  • Congenital Heart Disease Studies
  • Health Systems, Economic Evaluations, Quality of Life
  • Infective Endocarditis Diagnosis and Management
  • Coronary Interventions and Diagnostics
  • Transplantation: Methods and Outcomes
  • Blood Pressure and Hypertension Studies
  • Renal Transplantation Outcomes and Treatments
  • Esophageal and GI Pathology
  • Global Public Health Policies and Epidemiology
  • Restraint-Related Deaths
  • Cardiovascular Health and Risk Factors
  • Cell Image Analysis Techniques
  • Cardiac Structural Anomalies and Repair
  • Cardiac, Anesthesia and Surgical Outcomes
  • Digital Imaging for Blood Diseases
  • Aortic Thrombus and Embolism
  • Renal and Vascular Pathologies
  • Cardiovascular Effects of Exercise
  • Cardiac Valve Diseases and Treatments
  • Respiratory Support and Mechanisms
  • Cardiac Health and Mental Health

University of Bath
2022

Emory University
2014-2018

Cardiovascular Institute of the South
2018

Northwestern University
2018

Cedars-Sinai Medical Center
2015-2016

Johns Hopkins University
2014-2016

Cornell University
2015-2016

Harbor–UCLA Medical Center
2015-2016

Presbyterian Hospital
2016

New York Hospital Queens
2016

Background: The extent of coronary artery calcification (CAC) and near-term adverse clinical outcomes are strongly related through 5 years follow-up. Objective: To describe the ability CAC scores to predict long-term mortality in persons without symptoms disease. Design: Observational cohort. Setting: Single-center, outpatient cardiology laboratory. Patients: 9715 asymptomatic patients. Measurements: Coronary scoring binary risk factor data were collected. primary end point was time...

10.7326/m14-0612 article EN Annals of Internal Medicine 2015-07-06

Cardiovascular screening of women using traditional risk factors has been challenging, with results often classifying a majority as lower than men. The aim this report was to determine the long-term prognosis asymptomatic and men classified at low-intermediate undergoing coronary artery calcium (CAC) scoring.A total 2363 aggregating into Framingham score (6%-9.9%; 10-year predicted risk) underwent CAC scanning. Individuals were followed up for median 14.6 years. We estimated all-cause...

10.1161/circimaging.115.003742 article EN Circulation Cardiovascular Imaging 2016-04-01

Data regarding coronary artery calcification (CAC) prognosis in diabetic individuals are limited to 5-years follow-up. We investigated the long-term risk stratification of CAC among compared with nondiabetic individuals.Nine thousand seven hundred and fifteen asymptomatic undergoing scoring were followed for a median (interquartile range) 14.7 (13.9-15.6) years. The incidence density rate hazard ratios 95% confidence intervals used calculate all-cause mortality. Incremental prognostic...

10.1161/circimaging.115.003528 article EN Circulation Cardiovascular Imaging 2016-02-01

Minimal data are available regarding the long-term mortality risk of subclinical atherosclerosis using coronary artery calcium (CAC) scoring among patients with a family history (FH) disease (CAD). The aim present analysis was to assess prognostic utility CAC cohorts young and older without FH CAD.A total 9715 consecutive asymptomatic patients, free known CAD, underwent for cardiovascular assessment. primary end point all-cause mortality, median follow-up 14.6 years. Unadjusted risk-factor...

10.1136/heartjnl-2015-308429 article EN Heart 2015-12-23

A 32-year-old male football player with no significant past medical history was hospitalized and treated for a Staphylococcus aureus psoas abscess. Though the patient had cardiac symptoms, physical exam incidentally revealed machine-like murmur over right scapula soft, systolic left second intercostal space. Blood pressure noted to be 165/90 …

10.1093/ehjci/jeu104 article EN European Heart Journal - Cardiovascular Imaging 2014-06-06

10.1016/j.jcin.2014.04.029 article EN publisher-specific-oa КАРДИОЛОГИЯ УЗБЕКИСТАНА 2014-10-15

Background: Coronary artery calcium (CAC) scoring has been shown in numerous studies to correlate well with adverse cardiovascular outcomes. In particular, a CAC score of zero linked excellent survival. However, the majority report only short-term follow-up results, and there is little data available on long-term significance score. Methods: A total 9,074 (53±10 years, 60% male) consecutive asymptomatic individuals, free known coronary heart disease (CHD), underwent Agatston for risk...

10.1161/circ.130.suppl_2.12435 article EN Circulation 2014-11-25

Background: Cigarette smoking is a known risk factor for coronary heart disease (CHD). Studies have shown earlier onset and higher burden of artery calcium (CAC) in smokers compared to non-smokers. However, little long-term follow-up data exists on the potential interaction between cigarette CAC prediction important clinical outcomes. Hypothesis: In setting smoking, scoring should accurately predict Methods: A total 9,785 (mean age 53±10 years) consecutive asymptomatic individuals, free CHD,...

10.1161/circ.130.suppl_2.15721 article EN Circulation 2014-11-25

The digital age and advances in engineering have triggered a wave of low-cost, accessible, customisable microscopes. Already utilised for outreach, education field work, the potential these devices extends beyond accessible prototypes, into microscopy research medical settings. open-source, 3D-printed OpenFlexure Microscope is one such device, with development focused on supporting diagnosis malaria sub-Saharan Africa. This project motivated redesign verification core functionality, to...

10.1117/12.2628336 article EN 2022-01-21
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