IHAB HAJJAR

Concepts (360)

Concepts are derived automatically from a person's publications.
Concepts are listed by decreasing relevance which is based on many factors, including how many publications the person wrote about that topic, how long ago those publications were written, and how many publications other people have written on that same topic.


Name Number of Publications Most Recent Publication Publications by All Authors Concept Score Why?
Cognitive Dysfunction
29
2026
338
7.730
Why?
Hypertension
35
2024
1356
5.610
Why?
Alzheimer Disease
26
2026
878
5.510
Why?
Cognition
23
2026
829
4.030
Why?
Blood Pressure
26
2024
1345
3.900
Why?
Cognition Disorders
14
2017
556
3.570
Why?
Cerebrovascular Circulation
11
2020
487
3.230
Why?
Antihypertensive Agents
17
2024
414
2.780
Why?
Lisinopril
4
2023
27
1.930
Why?
Renin-Angiotensin System
5
2015
104
1.680
Why?
tau Proteins
8
2026
257
1.670
Why?
Aged
66
2026
21025
1.540
Why?
Amyloid beta-Peptides
8
2026
229
1.520
Why?
Tetrazoles
4
2023
70
1.520
Why?
Benzimidazoles
4
2023
161
1.450
Why?
Aging
10
2024
1242
1.120
Why?
Middle Aged
49
2026
28601
1.080
Why?
Stress, Psychological
4
2023
536
1.050
Why?
Geriatrics
6
2010
74
1.010
Why?
Memory
4
2022
314
1.000
Why?
Angiotensin Receptor Antagonists
3
2022
133
0.950
Why?
Neuropsychological Tests
12
2026
960
0.950
Why?
Peptide Fragments
6
2026
687
0.930
Why?
Aged, 80 and over
24
2026
6797
0.920
Why?
Male
66
2026
64957
0.910
Why?
Female
70
2026
70963
0.900
Why?
Computer Literacy
1
2024
8
0.870
Why?
Remote Consultation
1
2024
23
0.860
Why?
Apolipoprotein E4
4
2022
51
0.840
Why?
Research Subjects
1
2024
54
0.840
Why?
Biomarkers
16
2026
3385
0.830
Why?
Humans
94
2026
131163
0.820
Why?
Brain
12
2025
3175
0.740
Why?
Prodromal Symptoms
2
2020
10
0.740
Why?
Angiotensin-Converting Enzyme Inhibitors
3
2022
214
0.690
Why?
Executive Function
5
2026
122
0.680
Why?
Hemodynamics
3
2018
810
0.670
Why?
Regional Blood Flow
2
2013
191
0.660
Why?
Carbon Dioxide
3
2023
270
0.660
Why?
Mortality
2
2015
264
0.650
Why?
Cross-Sectional Studies
10
2026
3829
0.650
Why?
Carbolines
1
2020
6
0.620
Why?
Stroke
2
2023
1061
0.600
Why?
Internet
4
2007
420
0.590
Why?
Positron-Emission Tomography
2
2023
279
0.580
Why?
Cognitive Aging
1
2018
8
0.570
Why?
Age Factors
11
2018
2825
0.550
Why?
Leukoencephalopathies
1
2018
63
0.540
Why?
Blood Pressure Determination
5
2013
118
0.530
Why?
Psychomotor Performance
1
2019
174
0.530
Why?
Biphenyl Compounds
4
2023
75
0.520
Why?
Nerve Fibers, Myelinated
2
2022
83
0.500
Why?
Polymorphism, Genetic
2
2010
776
0.500
Why?
Stem Cells
2
2026
702
0.500
Why?
Longitudinal Studies
7
2026
1490
0.480
Why?
Health Status Disparities
1
2019
282
0.480
Why?
White Matter
1
2018
219
0.470
Why?
Risk Factors
17
2020
11074
0.470
Why?
Circadian Rhythm
2
2009
327
0.470
Why?
Life Style
3
2007
456
0.450
Why?
Attitude to Health
2
2007
247
0.450
Why?
Cohort Studies
10
2024
5063
0.450
Why?
Vascular Stiffness
1
2015
76
0.430
Why?
Renin
1
2014
75
0.430
Why?
Hypotension
2
2020
187
0.420
Why?
Aldosterone
1
2014
56
0.420
Why?
Respiration
1
2014
117
0.410
Why?
Follow-Up Studies
9
2024
5196
0.400
Why?
Proton Pump Inhibitors
1
2017
326
0.400
Why?
Peptidyl-Dipeptidase A
2
2010
57
0.390
Why?
Oxidative Stress
1
2018
791
0.380
Why?
Diet
3
2007
1121
0.380
Why?
Amnesia
2
2018
20
0.360
Why?
Substance Withdrawal Syndrome
1
2013
150
0.360
Why?
Hydrochlorothiazide
1
2012
67
0.350
Why?
Gait
2
2009
141
0.340
Why?
Mental Recall
2
2018
138
0.330
Why?
Cholesterol
2
2022
539
0.330
Why?
Mobility Limitation
1
2011
31
0.330
Why?
Prevalence
9
2024
2701
0.310
Why?
Mood Disorders
1
2011
129
0.310
Why?
Treatment Outcome
7
2017
12936
0.300
Why?
Blood Pressure Monitoring, Ambulatory
2
2009
52
0.300
Why?
Hypotension, Orthostatic
2
2011
20
0.300
Why?
Connectome
2
2023
111
0.300
Why?
Pulse Wave Analysis
2
2022
48
0.300
Why?
United States
14
2026
12072
0.290
Why?
Disease Progression
5
2023
2200
0.280
Why?
Magnetic Resonance Imaging
8
2026
3763
0.280
Why?
Cardiovascular Diseases
3
2011
2121
0.280
Why?
Neuroimaging
2
2023
385
0.280
Why?
Double-Blind Method
5
2022
1626
0.270
Why?
Case-Control Studies
5
2024
3359
0.260
Why?
Computer-Assisted Instruction
2
2007
58
0.260
Why?
Community Health Nursing
1
2007
4
0.260
Why?
Endothelium, Vascular
1
2009
468
0.250
Why?
Surveys and Questionnaires
3
2024
4066
0.250
Why?
Drug Monitoring
1
2009
292
0.240
Why?
Social Isolation
1
2026
49
0.240
Why?
Dose-Response Relationship, Drug
4
2013
1618
0.240
Why?
Loneliness
1
2026
34
0.230
Why?
Education, Distance
1
2007
69
0.230
Why?
Calcium, Dietary
2
2003
38
0.230
Why?
Lysophospholipids
1
2025
45
0.230
Why?
Nerve Net
2
2018
254
0.220
Why?
Ventricular Remodeling
1
2026
155
0.220
Why?
Proteomics
4
2025
615
0.220
Why?
Neurofilament Proteins
1
2024
39
0.220
Why?
Exercise Test
1
2025
239
0.210
Why?
Quality Assurance, Health Care
2
2007
205
0.210
Why?
Adult
14
2025
31282
0.210
Why?
Postural Balance
1
2025
133
0.210
Why?
Posture
1
2005
138
0.210
Why?
Benzothiadiazines
1
2004
7
0.210
Why?
Health Behavior
1
2007
387
0.200
Why?
Sodium Chloride Symporter Inhibitors
1
2004
35
0.200
Why?
Lower Extremity
1
2025
185
0.200
Why?
Coronary Artery Disease
2
2020
887
0.200
Why?
Regeneration
1
2026
230
0.200
Why?
Verbal Learning
2
2019
67
0.200
Why?
Essential Tremor
1
2024
96
0.190
Why?
Blood Flow Velocity
2
2015
417
0.190
Why?
Feeding Behavior
2
2006
715
0.190
Why?
Emotions
1
2026
350
0.190
Why?
Hyponatremia
1
2004
73
0.190
Why?
Research
1
2024
264
0.190
Why?
Education, Medical
1
2007
293
0.190
Why?
Educational Status
1
2024
279
0.190
Why?
Angiotensins
1
2022
9
0.190
Why?
Ventricular Dysfunction, Left
1
2026
362
0.190
Why?
Demography
1
2023
237
0.190
Why?
Geriatric Assessment
4
2011
184
0.190
Why?
Micronutrients
1
2003
62
0.180
Why?
Troponin T
1
2024
259
0.180
Why?
Gray Matter
2
2022
50
0.180
Why?
Predictive Value of Tests
2
2018
2304
0.180
Why?
Nutrition Surveys
3
2015
338
0.180
Why?
Ascorbic Acid
1
2002
72
0.180
Why?
Urbanization
1
2022
10
0.180
Why?
Regression Analysis
3
2010
761
0.180
Why?
Oligodendroglia
1
2022
96
0.180
Why?
Dementia
3
2024
436
0.180
Why?
Natriuretic Peptide, Brain
1
2024
325
0.170
Why?
Time Factors
4
2020
6196
0.170
Why?
Randomized Controlled Trials as Topic
2
2023
1267
0.170
Why?
Elder Abuse
1
2001
25
0.170
Why?
Primary Health Care
1
2007
775
0.160
Why?
Intracranial Arteriosclerosis
1
2020
8
0.160
Why?
Angiotensinogen
2
2010
24
0.160
Why?
Depression
1
2009
1320
0.160
Why?
Wakefulness
1
2020
103
0.150
Why?
Mental Status and Dementia Tests
1
2020
23
0.150
Why?
Antioxidants
1
2002
331
0.150
Why?
Attention
2
2018
194
0.150
Why?
C-Reactive Protein
1
2022
450
0.150
Why?
Cerebrospinal Fluid
1
2020
99
0.150
Why?
Prospective Studies
4
2017
6459
0.150
Why?
Sex Factors
2
2015
1356
0.150
Why?
Pilot Projects
3
2023
1445
0.150
Why?
Models, Neurological
2
2018
212
0.150
Why?
Drug Administration Schedule
2
2012
732
0.150
Why?
Analysis of Variance
3
2010
928
0.150
Why?
Signal Detection, Psychological
1
2019
11
0.140
Why?
Early Diagnosis
1
2019
195
0.140
Why?
Organ Size
1
2019
407
0.140
Why?
Lipids
1
2002
569
0.140
Why?
Microglia
1
2020
147
0.140
Why?
Risk Assessment
4
2010
3711
0.140
Why?
Health Surveys
3
2006
261
0.140
Why?
Preliminary Data
1
2018
8
0.140
Why?
Systole
2
2009
195
0.140
Why?
Administration, Oral
1
2020
711
0.140
Why?
Facial Recognition
1
2018
6
0.130
Why?
Myocardial Ischemia
1
2020
307
0.130
Why?
Prefrontal Cortex
1
2020
215
0.130
Why?
Association Learning
1
2018
20
0.130
Why?
Mental Status Schedule
1
2017
43
0.130
Why?
Nerve Tissue Proteins
2
2020
1075
0.130
Why?
Astrocytes
1
2020
264
0.130
Why?
Hippocampus
2
2019
806
0.130
Why?
Sleep
1
2020
381
0.130
Why?
South Carolina
2
2007
10
0.130
Why?
Quality of Life
1
2007
2082
0.130
Why?
Severity of Illness Index
4
2008
3061
0.120
Why?
Genotype
2
2015
2595
0.120
Why?
Health Knowledge, Attitudes, Practice
1
2003
919
0.120
Why?
Attitude of Health Personnel
1
2002
707
0.120
Why?
Activities of Daily Living
2
2009
386
0.120
Why?
Contrast Media
1
2020
474
0.120
Why?
Georgia
1
2016
46
0.120
Why?
Electroencephalography
1
2020
863
0.120
Why?
Hydroxymethylglutaryl-CoA Reductase Inhibitors
1
2002
744
0.110
Why?
Healthy Volunteers
1
2015
154
0.110
Why?
Pulmonary Gas Exchange
1
2015
32
0.110
Why?
Tidal Volume
1
2015
42
0.110
Why?
Energy Metabolism
1
2020
804
0.110
Why?
Residence Characteristics
1
2017
295
0.110
Why?
Awareness
2
2006
78
0.110
Why?
Memory, Short-Term
1
2016
138
0.110
Why?
Blood-Brain Barrier
1
2015
153
0.110
Why?
Health Services Needs and Demand
2
2006
179
0.100
Why?
Rest
1
2014
64
0.100
Why?
Young Adult
3
2025
10103
0.100
Why?
Microcirculation
2
2011
104
0.100
Why?
Survival Analysis
2
2009
1483
0.100
Why?
Plaque, Amyloid
1
2013
65
0.100
Why?
Atherosclerosis
1
2020
948
0.090
Why?
Angiotensin II Type 1 Receptor Blockers
1
2013
56
0.090
Why?
Accidental Falls
2
2011
112
0.090
Why?
Kidney Failure, Chronic
1
2020
934
0.090
Why?
Electrocardiography
1
2018
970
0.090
Why?
Retrospective Studies
5
2017
17753
0.090
Why?
Healthcare Disparities
1
2017
523
0.090
Why?
Renal Insufficiency, Chronic
1
2020
853
0.090
Why?
Retinal Vessels
1
2011
48
0.080
Why?
Telemetry
1
2010
23
0.080
Why?
Housing for the Elderly
1
2010
2
0.080
Why?
Receptors, Angiotensin
1
2010
20
0.080
Why?
Monitoring, Ambulatory
1
2010
60
0.080
Why?
Ultrasonography, Doppler, Transcranial
1
2010
112
0.080
Why?
Sweden
1
2009
39
0.070
Why?
Retinal Diseases
1
2011
142
0.070
Why?
Atrophy
1
2009
247
0.070
Why?
Magnetic Resonance Angiography
1
2009
161
0.070
Why?
Peer Review
2
2007
34
0.070
Why?
Clinical Protocols
1
2009
230
0.070
Why?
Gene Frequency
1
2010
729
0.070
Why?
Brain Mapping
1
2010
384
0.070
Why?
Kaplan-Meier Estimate
1
2011
1071
0.070
Why?
Practice Patterns, Physicians'
2
2006
789
0.070
Why?
Phenotype
2
2026
4497
0.070
Why?
Proportional Hazards Models
2
2011
1410
0.070
Why?
Image Processing, Computer-Assisted
1
2010
587
0.070
Why?
Body Composition
1
2010
545
0.070
Why?
Homeostasis
2
2022
712
0.060
Why?
Southeastern United States
1
2007
35
0.060
Why?
Gene Deletion
1
2010
767
0.060
Why?
Monitoring, Physiologic
1
2009
376
0.060
Why?
Education, Nursing, Continuing
1
2007
20
0.060
Why?
Observer Variation
1
2008
311
0.060
Why?
Disability Evaluation
1
2007
191
0.060
Why?
AC133 Antigen
1
2026
34
0.060
Why?
Vascular Endothelial Growth Factor Receptor-2
1
2026
57
0.060
Why?
Total Quality Management
1
2006
22
0.060
Why?
Antigens, CD34
1
2026
97
0.060
Why?
Drug Therapy, Combination
1
2009
1173
0.060
Why?
Lysophosphatidylcholines
1
2025
13
0.060
Why?
Receptors, CXCR4
1
2026
70
0.060
Why?
Socioeconomic Factors
1
2009
915
0.060
Why?
Diastole
1
2026
181
0.060
Why?
Preventive Health Services
1
2006
59
0.060
Why?
Nurse Practitioners
1
2006
50
0.060
Why?
Dementia, Vascular
1
2005
14
0.060
Why?
Practice Guidelines as Topic
2
2016
1295
0.060
Why?
Program Evaluation
1
2007
447
0.050
Why?
Biomechanical Phenomena
1
2025
279
0.050
Why?
Asymptomatic Diseases
1
2024
77
0.050
Why?
Comorbidity
1
2009
1595
0.050
Why?
Animals
4
2022
33912
0.050
Why?
Allied Health Personnel
1
2004
33
0.050
Why?
Telemedicine
1
2010
526
0.050
Why?
Feasibility Studies
1
2007
824
0.050
Why?
Cost of Illness
1
2006
297
0.050
Why?
Cholesterol, HDL
1
2005
383
0.050
Why?
Health Policy
1
2006
234
0.050
Why?
Confidence Intervals
1
2003
272
0.050
Why?
Probability
1
2003
306
0.050
Why?
Stroke Volume
1
2026
541
0.050
Why?
Diuretics
1
2004
159
0.050
Why?
Program Development
1
2004
179
0.050
Why?
Education, Medical, Continuing
1
2004
132
0.050
Why?
Clinical Trials, Phase II as Topic
1
2023
83
0.050
Why?
Headache
1
2023
107
0.050
Why?
Atomoxetine Hydrochloride
1
2022
17
0.050
Why?
Autopsy
1
2022
111
0.050
Why?
Single-Blind Method
1
2023
238
0.050
Why?
Drug Repositioning
1
2022
32
0.050
Why?
Fatigue
1
2023
191
0.050
Why?
Norepinephrine
1
2022
149
0.040
Why?
Evidence-Based Medicine
1
2006
645
0.040
Why?
Neuroprotection
1
2022
31
0.040
Why?
Biological Transport
1
2022
329
0.040
Why?
Patient Selection
1
2006
729
0.040
Why?
Health Education
1
2004
228
0.040
Why?
Myelin Sheath
1
2022
131
0.040
Why?
Adolescent
2
2022
20987
0.040
Why?
Bias
1
2002
151
0.040
Why?
Cross-Over Studies
1
2022
258
0.040
Why?
Health Care Surveys
1
2002
276
0.040
Why?
Cholesterol, LDL
1
2005
604
0.040
Why?
Diet, Sodium-Restricted
1
2001
13
0.040
Why?
Potassium, Dietary
1
2001
13
0.040
Why?
Cell Adhesion Molecules
1
2022
223
0.040
Why?
Wisconsin
1
2001
17
0.040
Why?
Rats, Transgenic
1
2020
17
0.040
Why?
Sleep Stages
1
2020
30
0.040
Why?
Odds Ratio
1
2003
1211
0.040
Why?
Magnesium
1
2001
114
0.040
Why?
Mass Screening
1
2006
822
0.040
Why?
Independent Living
2
2011
64
0.040
Why?
Induced Pluripotent Stem Cells
1
2022
238
0.040
Why?
Heterozygote
1
2022
737
0.040
Why?
Area Under Curve
1
2020
304
0.040
Why?
Sample Size
1
2020
84
0.040
Why?
Reproducibility of Results
1
2007
2904
0.040
Why?
Echocardiography
1
2026
1125
0.040
Why?
Urban Population
1
2022
287
0.040
Why?
Clinical Competence
1
2007
1050
0.040
Why?
Antigens, Neoplasm
1
2022
393
0.040
Why?
Chi-Square Distribution
1
2001
563
0.040
Why?
Single-Cell Analysis
1
2022
350
0.040
Why?
Rural Population
1
2022
276
0.040
Why?
Metabolic Networks and Pathways
1
2020
192
0.040
Why?
Models, Animal
1
2020
450
0.040
Why?
Mass Spectrometry
1
2020
357
0.030
Why?
Proteome
1
2020
285
0.030
Why?
Neurogenesis
1
2020
206
0.030
Why?
Functional Neuroimaging
1
2017
30
0.030
Why?
Multivariate Analysis
1
2001
1378
0.030
Why?
Gene Regulatory Networks
1
2020
373
0.030
Why?
Alleles
1
2022
1673
0.030
Why?
Cell Culture Techniques
1
1998
274
0.030
Why?
Bone Marrow Cells
1
1998
243
0.030
Why?
Incidence
1
2005
3360
0.030
Why?
Bayes Theorem
1
2017
311
0.030
Why?
Gene Expression Profiling
1
2022
1801
0.030
Why?
Bone Marrow Transplantation
1
1998
589
0.030
Why?
Databases, Factual
1
2020
1240
0.030
Why?
Inflammation
1
2022
1489
0.030
Why?
Rats
1
2020
3370
0.030
Why?
Hematopoietic Stem Cells
1
1998
544
0.030
Why?
Mice
2
2022
18301
0.030
Why?
Renal Dialysis
1
2020
951
0.020
Why?
Prognosis
1
2002
4886
0.020
Why?
Neurons
1
2022
1979
0.020
Why?
Boston
1
2011
117
0.020
Why?
Frontal Lobe
1
2011
110
0.020
Why?
Licensure
1
2010
14
0.020
Why?
Computer Communication Networks
1
2010
17
0.020
Why?
Prejudice
1
2010
39
0.020
Why?
State Government
1
2010
33
0.020
Why?
Reimbursement Mechanisms
1
2010
36
0.020
Why?
Government Regulation
1
2010
44
0.020
Why?
Confidentiality
1
2010
108
0.020
Why?
Personal Autonomy
1
2010
208
0.020
Why?
Interpersonal Relations
1
2010
223
0.020
Why?
Cost-Benefit Analysis
1
2010
555
0.020
Why?
Depressive Disorder
1
2011
460
0.020
Why?
Informed Consent
1
2010
351
0.020
Why?
Teaching Materials
1
2007
18
0.020
Why?
Evaluation Studies as Topic
1
2007
225
0.020
Why?
Benchmarking
1
2007
137
0.010
Why?
Guidelines as Topic
1
2007
198
0.010
Why?
Forecasting
1
2007
351
0.010
Why?
Health Services Accessibility
1
2010
712
0.010
Why?
Faculty, Medical
1
2007
281
0.010
Why?
Curriculum
1
2007
798
0.010
Why?
Mycoses
1
1998
110
0.010
Why?
Bacterial Infections
1
1998
327
0.010
Why?
Health Care Costs
1
1998
407
0.010
Why?
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