Muhammad Ashraf

ORCID: 0009-0008-2567-9984
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About
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Research Areas
  • Cardiovascular Function and Risk Factors
  • Cardiac Imaging and Diagnostics
  • Cardiac Valve Diseases and Treatments
  • Congenital Heart Disease Studies
  • Cardiovascular Disease and Adiposity
  • Elasticity and Material Modeling
  • Advanced MRI Techniques and Applications
  • Cardiac Arrhythmias and Treatments
  • Cardiovascular Health and Disease Prevention
  • Hemodynamic Monitoring and Therapy
  • Cardiac Structural Anomalies and Repair
  • Ultrasound in Clinical Applications
  • Cardiovascular and exercise physiology
  • Pulmonary Hypertension Research and Treatments
  • Ultrasound and Hyperthermia Applications
  • Seismic Imaging and Inversion Techniques
  • Climate Change and Health Impacts
  • Blood Pressure and Hypertension Studies
  • Artificial Intelligence in Healthcare
  • Geophysical and Geoelectrical Methods
  • Cardiac pacing and defibrillation studies
  • Reservoir Engineering and Simulation Methods
  • Cardiovascular Issues in Pregnancy
  • Medical Image Segmentation Techniques
  • NMR spectroscopy and applications

University of Washington
2024

Institute for Health Metrics and Evaluation
2024

Abu Dhabi National Oil (United Arab Emirates)
2018-2020

Indus Hospital
2020

West Virginia University Hospitals
2018-2019

West Virginia University
2019

Daejeon St. Mary's Hospital
2019

Mount Sinai Hospital
2018

Oregon Health & Science University
2007-2017

Zhengzhou University
2015

Alize J Ferrari Damian Santomauro Amirali Aali Yohannes Habtegiorgis Abate Cristiana Abbafati and 95 more Hedayat Abbastabar Samar Abd ElHafeez Michael Abdelmasseh Sherief Abd‐Elsalam Arash Abdollahi Auwal Abdullahi Kedir Hussein Abegaz Roberto Ariel Abeldaño Zúñiga Richard Gyan Aboagye Hassan Abolhassani Lucas Guimarães Abreu Hasan Abualruz Eman Abu‐Gharbieh Niveen ME Abu-Rmeileh Ilana N. Ackerman Isaac Yeboah Addo Giovanni Addolorato Akindele Olupelumi Adebiyi Victor Abiola Adepoju Habeeb Omoponle Adewuyi Shadi Afyouni Saira Afzal Sina Afzal Antonella Agodi Aqeel Ahmad Danish Ahmad Firdos Ahmad Shahzaib Ahmad Ali Ahmed Luai A. Ahmed Muktar Beshir Ahmed Marjan Ajami Karolina Akinosoglou Mohammed Ahmed Akkaif Syed Mahfuz Al Hasan Samer O Alalalmeh Ziyad Al‐Aly Mohammed ALBashtawy Robert W Aldridge Meseret Desalegn Alemu Megbaru Alemu Kefyalew Addis Alene Adel Al‐Gheethi Maryam Alharrasi Robert Kaba Alhassan Mohammed Usman Ali Rafat Ali Syed Shujait Ali Sheikh Mohammad Alif Syed Mohamed Aljunid Sabah Al-Marwani Joseph Uy Almazan Mahmoud A. Alomari Basem Al‐Omari Zaid Altaany Nelson Alvis‐Guzmán Nelson J. Alvis-Zakzuk Hassan Alwafi Mohammad Alwardat Yaser Mohammed Al‐Worafi Safwat Aly Karem H. Alzoubi Azmeraw T. Amare Prince M. Amegbor Edward Kwabena Ameyaw Tarek Tawfik Amin Alireza Amindarolzarbi Sohrab Amiri Dickson A Amugsi Robert Ancuceanu Deanna Anderlini David Anderson Pedro Prata Andrade Cătălina Liliana Andrei Hossein Ansari Catherine M Antony Saleha Anwar KM Shivakumar Razique Anwer P.E. Anyanwu Juan Pablo Arab Jalal Arabloo Mosab Arafat Daniel T Araki Aleksandr Y. Aravkin Mesay Arkew Benedetta Armocida Michael B. Arndt Mahwish Arooj Anton A Artamonov Raphael Taiwo Aruleba Ashokan Arumugam Charlie Ashbaugh Mubarek Yesse Ashemo Muhammad Ashraf

Detailed, comprehensive, and timely reporting on population health by underlying causes of disability premature death is crucial to understanding responding complex patterns disease injury burden over time across age groups, sexes, locations. The availability estimates can promote evidence-based interventions that enable public researchers, policy makers, other professionals implement strategies mitigate diseases. It also facilitate more rigorous monitoring progress towards national...

10.1016/s0140-6736(24)00757-8 article EN cc-by The Lancet 2024-04-17

Individuals exhibiting "the metabolic syndrome" have multiple coronary artery disease risk factors, including insulin resistance, hyperlipidemia, hypertension, and android obesity. We performed a randomized trial to compare the effects of aerobic resistance training regimens on factors. Twenty-six volunteers who exhibited obesity at least one other factor for were or groups. Body mass index, waist-to-hip ratio, glucose, insulin, body composition, 24-hr urinary albumin, fibrinogen, blood...

10.1177/153537020322800414 article EN Experimental Biology and Medicine 2003-04-01

Background Despite the fact that swimming is often recommended for prevention and treatment of hypertension, no study has examined potential efficacy regular exercise lowering blood pressure in hypertensive humans. Objective To test hypothesis lowers resting pressure. Design A 10-week closely supervised training program compared with a non-exercising control group. Patients Eighteen previously sedentary men women [aged 48 ± 2 years (mean SEM)] stage 1 or essential hypertension. Results The...

10.1097/00004872-199715060-00012 article EN Journal of Hypertension 1997-06-01

Introduction: Periodontal disease is a prevalent complication of type 2 diabetes mellitus (T2DM), and poor glycemic control known risk factor. This longitudinal study aimed to investigate the predictive value glycated hemoglobin (HbA1c) for periodontal progression in cohort T2DM patients Surabaya, Indonesia. Methods: A prospective was conducted at private hospital, Indonesia, from January 2021 2023. 180 with pre-existing chronic periodontitis were enrolled. parameters, including probing...

10.59345/sjim.v2i2.178 article EN cc-by-nc-sa Sriwijaya Journal of Internal Medicine 2025-02-25

Myocardial infarction (MI) continues to be a predominant cause of mortality globally and is characterized by restricted therapeutic alternatives considerable adverse effects linked traditional treatments. This study assessed the cardioprotective properties Justicia adhatoda leaf extract against isoproterenol-induced myocardial in rats at GC, University Faisalabad. A total 32 albino Wistar were randomly allocated into four groups, with one group designated as control remaining groups...

10.36347/sajb.2025.v13i03.004 article EN Scholars Academic Journal of Biosciences 2025-03-11

Left ventricular (LV) twist is manifested in oppositely directed apical and basal rotation. We studied a new 3-dimensional (3D) echocardiography program (wall motion tracking; Toshiba America Medical Systems, Inc, Tustin, CA) for left rotation.We used rotation model with variable-speed motor to rotate hearts water bath. 10 freshly harvested pig hearts, which were mounted on the rotary actuator of our phantom heart base rotating apex held fixed avoid translational motion, at rotations 0...

10.7863/jum.2010.29.6.903 article EN Journal of Ultrasound in Medicine 2010-06-01

Normal left ventricular contraction involves a twisting component that helps augment stroke volume, the unwinding of which also very usefully contributes to early diastolic filling. Abnormalities cardiac twist have been related abnormal function. We sought quantify action using new sonographically based angle-independent motion-detecting echo method.A model was developed with variable-speed motor rotate wheel in water bath. A freshly harvested pig heart mounted on it as phantom. Short axis...

10.7863/jum.2006.25.9.1193 article EN Journal of Ultrasound in Medicine 2006-09-01

Objectives We sought to determine the feasibility and reproducibility of real-time 3-dimensional echocardiography (RT3DE) for evaluation cardiac volume, mass, function characterize maturational changes these measurements in human fetuses. Methods Eighty pregnant women 2nd 3rd trimesters (59 with normal fetuses 21 congenital heart disease [CHD]) were enrolled. acquired RT3DE images using a matrix-array transducer. stroke volume (SV), combined output (CCO), ejection fraction (EF) obtained....

10.1371/journal.pone.0058494 article EN cc-by PLoS ONE 2013-03-14

Aortic stenosis (AS) and aortic regurgitation (AR) are associated with congenital isolated bicuspid valve (BAV) disease. The chronic pressure overload of AS the volume AR known to impair left ventricular function. This study assessed whether two-dimensional speckle tracking echocardiography (2D-STE) is capable detecting myocardial dysfunction BAV caused by various lesions in patients retaining normal ejection fraction (EF).Thirty-two 20 healthy tricuspid (TAV) volunteers were recruited....

10.1097/md.0000000000002085 article EN cc-by-nc Medicine 2015-11-01

Objective Quantitative left ventricular mass ( LVM ) as well regional strain values may be obtained from full‐volume real time 3D echocardiography data via semi‐automated feature tracking and represent indices of heart function, both in health disease. Methods Fresh adult porcine ovine hearts were passively pumped to simulate normal cardiac motion at stroke volumes SV s) varying 30 70 mL. A 3V‐D Matrix probe, interfaced with a GE Vivid E9 ultrasound system, was used image each baseline...

10.1111/echo.12643 article EN Echocardiography 2014-06-13

Noninvasive quantification of left ventricular (LV) stroke volumes has an important clinical role in assessing circulation and monitoring therapeutic interventions for cardiac disease. This study validated the accuracy a real-time 3-dimensional (3D) color flow Doppler method performed during transthoracic echocardiography (TTE) quantifying volume flows through mitral aortic valves using dedicated offline 3D computation program compared to LV sonomicrometry open-chest animal model.Forty-six...

10.7863/ultra.34.1.95 article EN Journal of Ultrasound in Medicine 2014-12-26

This study examined the physiological effect of reduced plasma cortisol (C) during prolonged exercise in humans. The effects normal C (NC) were compared with metyrapone-induced low (LC) on substrate availability and respiratory exchange ratio 2 h at ∼60% peak O consumption nine subjects. responses preexercise (Pre) levels a rest day (Con). At rest, was attenuated by ∼70% for LC NC. glucose, lactate, glycerol, β-hydroxybutyrate, alanine, branched-chain amino acids, insulin, glucagon, growth...

10.1152/jappl.1998.84.3.939 article EN Journal of Applied Physiology 1998-03-01

Background Three‐dimensional echocardiography (3 DE ) is a promising method for strain determination; however, there are temporal resolution concerns. This study aims to evaluate the feasibility and accuracy of 3 on longitudinal circumferential ( LS , CS determination infarction detection under variable frame rates FR “heart rates” (stroke [ SR ]) conditions. Methods Latex balloons were sewn into left ventricle LV 20 freshly harvested pig hearts which then passively driven by pulsatile pump...

10.1111/echo.12632 article EN Echocardiography 2014-05-12

The aim of this study is to assess the accuracy and feasibility left ventricular systolic function determined by four-dimensional echocardiography (4DE).Latex balloons were sewn into ventricle (LV) 20 freshly harvested pig hearts which then passively driven a pulsatile pump apparatus. Global longitudinal strain (GLS), global circumferential (GCS), area (GAS) ejection fraction (LVEF) derived from 4DEand two-dimensional (2DE)-derived LVEF quantified at different stroke volumes (SV) 30-70 ml...

10.1371/journal.pone.0154996 article EN cc-by PLoS ONE 2016-05-04

Aims This study aimed to assess the feasibility and accuracy of nongated four‐dimensional echocardiography (4 DE ) for determining left ventricular ( LV stroke volume SV mass in a fetal heart‐sized model. Methods A balloon was inserted into 20 fresh rabbit hearts attached calibrated pulsatile pump. Ten retaining right ventricle were imaged Group A. without ventricles (RVs) B. Nongated 4D volumes obtained using Philips iU‐22 system with an X6‐1 matrix probe at SVs ranging from 1 5 mL...

10.1111/echo.12520 article EN Echocardiography 2014-01-24

Purpose: Quantitative analysis of cardiac motion is important for evaluation heart function. Three dimensional (3D) echocardiography among the most frequently used imaging modalities estimation because it convenient, real-time, low-cost, and nonionizing. However, from 3D echocardiographic sequences still a challenging problem due to low image quality corruption by noise artifacts. Methods: The authors have developed temporally diffeomorphic approach in which velocity field instead...

10.1118/1.4867864 article EN Medical Physics 2014-04-15

The aim of this study was to assess the accuracy, feasibility, and reproducibility determining stroke volume from a novel 3-dimensional (3D) color Doppler flow quantification method for mitral valve (MV) inflow left ventricular outflow tract (LVOT) at different volumes when compared with actual rate in pumped porcine cardiac model.Thirteen freshly harvested pig hearts were studied water tank. We inserted latex balloon into each ventricle MV annulus LVOT, which passively (30-80 mL) using...

10.7863/ultra.33.2.265 article EN Journal of Ultrasound in Medicine 2014-01-21

Left ventricular stroke volume, mass, and myocardial strain are valuable indicators of fetal heart function. This study investigated the feasibility nongated real time three-dimensional echocardiography (RT3DE) to determine volume (SV), left mass (LVM), under different conditions.To evaluate hearts, fetal-sized rabbit hearts were used in this study. The vitro portion was carried out using a balloon inserted into LV eight fresh driven by calibrated pulsatile pump. RT3DE volumes obtained at...

10.1111/echo.12939 article EN Echocardiography 2015-04-11
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