Colorado PROFILES, The Colorado Clinical and Translational Sciences Institute (CCTSI)
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Andrew Callen

Concepts (197)

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?
Intracranial Hypotension
19
2026
62
12.900
Why?
Cerebrospinal Fluid Leak
18
2026
70
8.470
Why?
Myelography
11
2026
40
4.790
Why?
Blood Patch, Epidural
6
2025
19
4.500
Why?
Fistula
6
2025
48
4.090
Why?
Tomography, X-Ray Computed
19
2025
2730
3.060
Why?
Magnetic Resonance Imaging
25
2026
3857
2.520
Why?
Neuroimaging
8
2026
289
1.840
Why?
Dura Mater
2
2025
35
1.790
Why?
Headache
5
2026
150
1.660
Why?
Spine
3
2023
182
1.540
Why?
White Matter
3
2025
151
1.440
Why?
Radiology
3
2022
173
1.240
Why?
Head
2
2022
120
1.230
Why?
Cerebrovascular Disorders
2
2021
103
1.210
Why?
Fibrin Tissue Adhesive
2
2025
20
1.120
Why?
Radiography, Interventional
2
2025
130
1.050
Why?
Brain Ischemia
2
2021
358
1.030
Why?
Cerebrovascular Circulation
4
2023
278
0.980
Why?
Diverticulum
1
2026
14
0.970
Why?
Cerebrospinal Fluid Pressure
1
2026
4
0.970
Why?
Pseudotumor Cerebri
1
2026
32
0.930
Why?
Goldenhar Syndrome
1
2025
11
0.920
Why?
Spinal Nerve Roots
1
2025
29
0.920
Why?
Cranial Fossa, Middle
1
2025
19
0.920
Why?
Meninges
1
2026
49
0.910
Why?
Stroke
4
2023
1254
0.900
Why?
Humans
63
2026
144261
0.890
Why?
Patient Positioning
1
2025
70
0.880
Why?
Embolism, Air
1
2024
14
0.860
Why?
Osteoarthritis, Spine
1
2024
3
0.860
Why?
Cerebral Infarction
1
2024
47
0.860
Why?
Intracranial Embolism
1
2024
34
0.860
Why?
Headache Disorders
1
2024
19
0.830
Why?
Cerebral Revascularization
2
2020
22
0.810
Why?
Post-Dural Puncture Headache
1
2023
5
0.800
Why?
Hemosiderosis
1
2023
2
0.780
Why?
Fibrin
1
2023
91
0.760
Why?
Hyperemia
1
2023
49
0.750
Why?
Adult
23
2026
40262
0.730
Why?
Middle Aged
20
2026
35762
0.700
Why?
Retrospective Studies
17
2026
17009
0.670
Why?
Intracranial Arteriosclerosis
1
2021
8
0.670
Why?
Feminization
1
2020
6
0.670
Why?
Facial Bones
1
2020
28
0.660
Why?
Vasculitis
1
2021
68
0.640
Why?
Female
30
2026
77976
0.640
Why?
Radiology Information Systems
1
2020
35
0.640
Why?
Carotid Artery Diseases
1
2020
68
0.630
Why?
Temporal Arteries
1
2020
43
0.630
Why?
Arnold-Chiari Malformation
3
2009
29
0.630
Why?
Basal Ganglia
1
2020
57
0.630
Why?
Cerebral Arteries
1
2020
58
0.620
Why?
Ultrasonography, Prenatal
4
2009
294
0.590
Why?
Referral and Consultation
1
2025
847
0.590
Why?
Natural Language Processing
1
2020
103
0.580
Why?
Healthcare Disparities
1
2026
725
0.580
Why?
Frontal Lobe
1
2020
159
0.580
Why?
Transgender Persons
1
2022
190
0.560
Why?
Reproducibility of Results
7
2025
3403
0.560
Why?
Cerebral Ventricles
2
2009
54
0.550
Why?
Preoperative Care
1
2020
379
0.540
Why?
Meningomyelocele
2
2009
61
0.530
Why?
Health Services Accessibility
1
2026
1091
0.520
Why?
Mammography
1
2019
165
0.520
Why?
Male
21
2026
72035
0.500
Why?
Magnetic Resonance Angiography
5
2022
251
0.500
Why?
Ovarian Diseases
1
2016
13
0.500
Why?
Aged
13
2026
25850
0.500
Why?
Cross-Sectional Studies
6
2025
5813
0.470
Why?
Edema
1
2016
124
0.470
Why?
Epidural Space
2
2025
17
0.460
Why?
Brain
10
2025
2930
0.430
Why?
Predictive Value of Tests
2
2020
2111
0.430
Why?
Appendicitis
1
2016
148
0.430
Why?
Early Detection of Cancer
1
2019
462
0.400
Why?
Physicians
1
2022
938
0.390
Why?
Anti-HIV Agents
1
2020
869
0.380
Why?
Postoperative Complications
2
2025
2916
0.370
Why?
Acetazolamide
2
2022
26
0.350
Why?
Emergency Service, Hospital
4
2026
2301
0.330
Why?
HIV Infections
3
2022
3079
0.330
Why?
Clinical Competence
1
2019
1241
0.320
Why?
Cohort Studies
3
2026
5935
0.310
Why?
Registries
1
2019
2382
0.310
Why?
Treatment Outcome
4
2025
11643
0.300
Why?
AIDS Dementia Complex
2
2018
52
0.280
Why?
Breast Neoplasms
1
2019
2447
0.230
Why?
Injections, Epidural
1
2025
28
0.230
Why?
Ligation
1
2025
92
0.230
Why?
Cerebrospinal Fluid Rhinorrhea
1
2024
10
0.220
Why?
Sensitivity and Specificity
2
2025
1983
0.210
Why?
Cerebral Amyloid Angiopathy
1
2024
9
0.210
Why?
Sinus Thrombosis, Intracranial
1
2023
23
0.200
Why?
Arachnoid
1
2023
11
0.200
Why?
Punctures
1
2023
40
0.200
Why?
Comprehension
1
2025
179
0.200
Why?
Lemierre Syndrome
1
2023
4
0.200
Why?
Thrombophlebitis
1
2023
12
0.200
Why?
Spin Labels
2
2020
59
0.190
Why?
Congresses as Topic
1
2024
221
0.190
Why?
Hypoxia-Ischemia, Brain
1
2023
46
0.190
Why?
Ischemic Attack, Transient
1
2023
71
0.180
Why?
Computed Tomography Angiography
2
2021
145
0.180
Why?
Prospective Studies
3
2024
7970
0.180
Why?
Infant, Newborn, Diseases
1
2023
113
0.180
Why?
Blood Flow Velocity
1
2023
413
0.180
Why?
Socioeconomic Factors
1
2026
1312
0.170
Why?
Gadolinium
1
2021
84
0.170
Why?
Transsexualism
1
2020
15
0.170
Why?
Moyamoya Disease
1
2020
20
0.170
Why?
Cerebral Angiography
1
2021
119
0.160
Why?
Angiography, Digital Subtraction
1
2020
48
0.160
Why?
Central Nervous System Vascular Malformations
1
2020
27
0.160
Why?
Jugular Veins
1
2020
42
0.160
Why?
Research Report
1
2020
87
0.160
Why?
Patient Reported Outcome Measures
1
2024
487
0.150
Why?
Thrombosis
1
2023
393
0.150
Why?
Uncertainty
1
2020
144
0.150
Why?
Intracranial Aneurysm
1
2020
102
0.150
Why?
Face
1
2020
173
0.150
Why?
Radiography
1
2022
842
0.150
Why?
False Negative Reactions
1
2019
60
0.150
Why?
HIV
1
2020
248
0.140
Why?
False Positive Reactions
1
2019
121
0.140
Why?
Epilepsy
1
2023
375
0.140
Why?
Antiretroviral Therapy, Highly Active
1
2020
277
0.140
Why?
Contrast Media
1
2021
486
0.140
Why?
Central Nervous System Infections
1
2018
35
0.140
Why?
Hemoperitoneum
1
2017
12
0.130
Why?
Head and Neck Neoplasms
1
2023
556
0.130
Why?
Brain Injuries, Traumatic
1
2023
441
0.130
Why?
Aneurysm, False
1
2017
45
0.130
Why?
Alzheimer Disease
1
2024
619
0.130
Why?
Radiologists
1
2017
60
0.130
Why?
Endometriosis
1
2017
57
0.130
Why?
Aged, 80 and over
3
2024
8243
0.130
Why?
Uterine Artery
1
2017
75
0.130
Why?
Case-Control Studies
1
2024
3592
0.120
Why?
Diagnosis, Differential
2
2020
1487
0.120
Why?
RNA, Viral
1
2020
687
0.120
Why?
Critical Illness
1
2022
889
0.120
Why?
Colorado
1
2026
4562
0.120
Why?
Quality Assurance, Health Care
1
2017
336
0.110
Why?
Abdominal Pain
1
2016
146
0.110
Why?
Pilot Projects
1
2020
1867
0.110
Why?
Disease Progression
1
2020
2840
0.090
Why?
Attitude of Health Personnel
1
2017
1182
0.070
Why?
Risk Assessment
1
2019
3637
0.070
Why?
Cysts
1
2009
111
0.070
Why?
Seizures
2
2023
460
0.070
Why?
Septum Pellucidum
1
2008
5
0.070
Why?
Fornix, Brain
1
2008
5
0.070
Why?
Agenesis of Corpus Callosum
1
2008
13
0.070
Why?
Brain Diseases
1
2009
152
0.070
Why?
United States
3
2023
15876
0.070
Why?
Medicare
2
2023
881
0.060
Why?
Young Adult
1
2023
13990
0.060
Why?
Neuroradiography
1
2024
5
0.060
Why?
Gestational Age
1
2008
975
0.050
Why?
Cranial Sinuses
1
2023
16
0.050
Why?
Phlebography
1
2023
39
0.050
Why?
Image Processing, Computer-Assisted
1
2008
780
0.050
Why?
Atrophy
1
2024
200
0.050
Why?
Brain Injuries
1
2008
506
0.050
Why?
Submandibular Gland
1
2023
20
0.050
Why?
Cerebral Hemorrhage
1
2024
120
0.050
Why?
Pregnancy
3
2017
7180
0.050
Why?
Patient Satisfaction
1
2025
704
0.040
Why?
Electroencephalography
1
2023
532
0.040
Why?
Arteries
1
2022
258
0.040
Why?
Surveys and Questionnaires
2
2025
6021
0.040
Why?
Neurosurgical Procedures
1
2020
202
0.040
Why?
Airports
1
2017
3
0.030
Why?
Psychophysics
1
2017
15
0.030
Why?
Encephalitis
1
2018
139
0.030
Why?
Early Diagnosis
1
2017
247
0.030
Why?
Neoplasm Recurrence, Local
1
2023
1137
0.030
Why?
Ultrasonography
1
2017
768
0.020
Why?
Infant, Newborn
1
2023
6424
0.020
Why?
Echoencephalography
1
2009
4
0.020
Why?
Child, Preschool
1
2024
11774
0.020
Why?
Mass Screening
1
2017
1332
0.020
Why?
Hernia
1
2008
10
0.020
Why?
Risk Factors
1
2023
10699
0.020
Why?
Brain Edema
1
2008
62
0.020
Why?
Automation
1
2008
102
0.020
Why?
Intracranial Hemorrhages
1
2008
100
0.020
Why?
California
1
2009
469
0.020
Why?
Fetal Death
1
2008
58
0.020
Why?
Corpus Callosum
1
2008
72
0.020
Why?
Blood-Brain Barrier
1
2008
155
0.020
Why?
Adolescent
1
2024
22281
0.010
Why?
Child
1
2024
22537
0.010
Why?
Comorbidity
1
2009
1646
0.010
Why?
Prevalence
1
2009
2815
0.010
Why?
Algorithms
1
2008
1834
0.010
Why?
Callen's Networks
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