Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
109,134
Country Rank
43,224
Institution Rank : 1,631
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![C Keith Ozaki](https://cdn.adscientificindex.com/pictures/c5/4512061.jpg)
Vascular Surgery
Vascular Biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,922
4,025
0.451
* Total Citation Counts Rankings
World Rank
109,489
Country Rank
4,885
Institution Rank : 567
![](https://cdn.adscientificindex.com/logos/11508.jpg)
![Canada](/flags/ca.png)
![Mark Peterson](https://cdn.adscientificindex.com/pictures/75/4687962.jpg)
cardiac surgery
aortic dissection
TAVR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,897
5,355
0.602
* Total Citation Counts Rankings
World Rank
110,993
Country Rank
43,830
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/8550.png)
![United States](/flags/us.png)
![Thomas Bilfinger](/user/assets/images/profile/no-profile-photo.png)
cardio thoracic surgery surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,792
2,643
0.301
* Total Citation Counts Rankings
World Rank
113,612
Country Rank
4,678
Institution Rank : 65
![](https://cdn.adscientificindex.com/logos/9971.png)
![Italy](/flags/it.png)
![Domenico Paparella](https://cdn.adscientificindex.com/pictures/bd/1792205.jpg)
Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,612
4,310
0.500
* Total Citation Counts Rankings
World Rank
114,886
Country Rank
669
Institution Rank : 217
![](https://cdn.adscientificindex.com/logos/6065.png)
![Greece](/flags/gr.png)
![John Kakisis](https://cdn.adscientificindex.com/pictures/e1/1843416.jpg)
Vascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,531
4,120
0.483
* Total Citation Counts Rankings
World Rank
119,916
Country Rank
46,873
Institution Rank : 53
![](https://cdn.adscientificindex.com/logos/3595.jpg)
![United States](/flags/us.png)
![Ismail El-Hamamsy](https://cdn.adscientificindex.com/pictures/c6/4686551.jpg)
Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,208
5,104
0.622
* Total Citation Counts Rankings
World Rank
127,719
Country Rank
3,176
Institution Rank : 279
![](https://cdn.adscientificindex.com/logos/24366.png)
![Netherlands](/flags/nl.png)
![Joost R. Van Der Vorst](https://cdn.adscientificindex.com/pictures/df/4685024.jpg)
Vascular Surgery
Imaging
Clinical trials
Fluorescence
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,754
4,134
0.533
* Total Citation Counts Rankings
World Rank
126,716
Country Rank
5,592
Institution Rank : 625
![](https://cdn.adscientificindex.com/logos/11508.jpg)
![Canada](/flags/ca.png)
![Bobby Yanagawa](/user/assets/images/profile/no-profile-photo.png)
cardiac surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,809
3,594
0.460
* Total Citation Counts Rankings
World Rank
127,618
Country Rank
49,449
Institution Rank : 333
![](https://cdn.adscientificindex.com/logos/2313.jpg)
![United States](/flags/us.png)
![William Jordan](/user/assets/images/profile/no-profile-photo.png)
Vascular surgery
healthcare
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,760
2,971
0.383
* Total Citation Counts Rankings
World Rank
129,875
Country Rank
1,931
Institution Rank : 222
![](https://cdn.adscientificindex.com/logos/5336.jpg)
![Sweden](/flags/se.png)
![Johan Nilsson](https://cdn.adscientificindex.com/pictures/6d/1401921.jpg)
Artificial Intelligence
Heart transplantation
Cardiac surgery
risk stratification
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,638
4,059
0.531
* Total Citation Counts Rankings
World Rank
130,586
Country Rank
10,591
Institution Rank : 112
![](https://cdn.adscientificindex.com/logos/11134.jpg)
![United Kingdom](/flags/gb.png)
![Giovanni Mariscalco](/user/assets/images/profile/no-profile-photo.png)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,602
4,646
0.611
* Total Citation Counts Rankings
World Rank
131,956
Country Rank
2,184
Institution Rank : 71
![](https://cdn.adscientificindex.com/logos/9875.png)
![Brazil](/flags/br.png)
![Enio Buffolo](https://cdn.adscientificindex.com/pictures/21/1082355.jpg)
Cirurgia Cardiovascular
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,528
894
0.119
* Total Citation Counts Rankings
World Rank
138,791
Country Rank
3
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/5249.png)
![Libya](/flags/ly.png)
![Reida M El Oakley](https://cdn.adscientificindex.com/pictures/d0/89034.jpg)
Cardiovascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,179
2,469
0.344
* Total Citation Counts Rankings
World Rank
140,345
Country Rank
53,598
Institution Rank : 1,927
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![Louis L Nguyen](/user/assets/images/profile/no-profile-photo.png)
vascular surgery
outcomes research
health economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,103
4,515
0.636
* Total Citation Counts Rankings
World Rank
143,307
Country Rank
11,453
Institution Rank : 266
![](https://cdn.adscientificindex.com/logos/14639.png)
![United Kingdom](/flags/gb.png)
![Chris Twine](/user/assets/images/profile/no-profile-photo.png)
Vascular surgery. Endovascular intervention.
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,968
5,679
0.815
* Total Citation Counts Rankings
World Rank
143,690
Country Rank
6,282
Institution Rank : 419
![](https://cdn.adscientificindex.com/logos/10815.jpg)
![Canada](/flags/ca.png)
![Darren H Freed](https://cdn.adscientificindex.com/pictures/3f/645491.jpg)
cardiac surgery
heart and lung failure
cardiothoracic transplantation
cardiac fibrosis
ventricular assist devices
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,950
3,812
0.548
* Total Citation Counts Rankings
World Rank
145,807
Country Rank
2,562
Institution Rank : 740
![](https://cdn.adscientificindex.com/logos/9794.jpg)
![Brazil](/flags/br.png)
![Roberto Costa](https://cdn.adscientificindex.com/pictures/10/831412.jpg)
Cardiac Pacing
Pacemaker
Implantable Cardioverter Defibrillator
Cardiac Resynchronization Therapy
Transvenous Lead Extractio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,852
1,634
0.238
* Total Citation Counts Rankings
World Rank
144,507
Country Rank
2,519
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/9858.png)
![Brazil](/flags/br.png)
![Eugenio Araujo](https://cdn.adscientificindex.com/pictures/3e/888717.jpg)
veterinary pathology
cardiovascular surgery
signal transduction pathways
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,913
5,130
0.742
* Total Citation Counts Rankings
World Rank
145,133
Country Rank
55,140
Institution Rank : 533
![](https://cdn.adscientificindex.com/logos/24586.png)
![United States](/flags/us.png)
![Efthymios Avgerinos](https://cdn.adscientificindex.com/pictures/54/4701674.jpg)
Vascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,883
3,880
0.564
* Total Citation Counts Rankings
World Rank
152,502
Country Rank
57,516
Institution Rank : 475
![](https://cdn.adscientificindex.com/logos/11862.jpg)
![United States](/flags/us.png)
![Pirooz Eghtesady](https://cdn.adscientificindex.com/pictures/75/1365867.jpg)
Congenital heart disease
pediatric cardiac surgery
virology
immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,563
3,767
0.574
* Total Citation Counts Rankings
World Rank
145,832
Country Rank
55,365
Institution Rank : 567
![](https://cdn.adscientificindex.com/logos/4631.png)
![United States](/flags/us.png)
![Dominique Vervoort](https://cdn.adscientificindex.com/pictures/95/1387818.jpg)
Cardiac Surgery
Global Surgery
Health Economics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,850
6,822
0.996
* Total Citation Counts Rankings
World Rank
155,684
Country Rank
4,437
Institution Rank : 16
![](https://cdn.adscientificindex.com/logos/24465.png)
![France](/flags/fr.png)
![Marc Laskar](/user/assets/images/profile/no-profile-photo.png)
Chirurgie cardiaque
Chirurgie vasculaire
Démographie médicale
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,434
2,354
0.366
* Total Citation Counts Rankings
World Rank
155,485
Country Rank
58,467
Institution Rank : 2,076
![](https://cdn.adscientificindex.com/logos/3215.jpg)
![United States](/flags/us.png)
![Michael T Watkins](/user/assets/images/profile/no-profile-photo.png)
Vascular Surgery
Ischemia Reperfusion Injury
Wound Healing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,442
1,321
0.205
* Total Citation Counts Rankings
World Rank
156,079
Country Rank
58,666
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/17309.png)
![United States](/flags/us.png)
![Thomas Schwann](https://cdn.adscientificindex.com/pictures/07/4616037.jpg)
Cardiac Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,418
2,732
0.426
* Total Citation Counts Rankings
World Rank
156,424
Country Rank
58,779
Institution Rank : 150
![](https://cdn.adscientificindex.com/logos/11178.png)
![United States](/flags/us.png)
![Zhongjun J Wu](https://cdn.adscientificindex.com/pictures/87/1296546.jpg)
Artificial organs
cardiovascular disease
heart valve
assist device
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,405
3,246
0.507
* Total Citation Counts Rankings
World Ranking
109,134
Country Ranking
43,224
Institution Ranking
1,631
C Keith Ozaki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,922
4,025
0.451
![](https://cdn.adscientificindex.com/logos/3215.jpg)
Vascular Surgery
Vascular Biology
* Total Citation Counts Rankings
World Ranking
109,489
Country Ranking
4,885
Institution Ranking
567
Mark Peterson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,897
5,355
0.602
![](https://cdn.adscientificindex.com/logos/11508.jpg)
cardiac surgery
aortic dissection
TAVR
* Total Citation Counts Rankings
World Ranking
110,993
Country Ranking
43,830
Institution Ranking
17
Thomas Bilfinger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,792
2,643
0.301
![](https://cdn.adscientificindex.com/logos/8550.png)
cardio thoracic surgery surgery
* Total Citation Counts Rankings
World Ranking
113,612
Country Ranking
4,678
Institution Ranking
65
Domenico Paparella
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,612
4,310
0.500
* Total Citation Counts Rankings
World Ranking
114,886
Country Ranking
669
Institution Ranking
217
John Kakisis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,531
4,120
0.483
* Total Citation Counts Rankings
World Ranking
119,916
Country Ranking
46,873
Institution Ranking
53
Ismail El-Hamamsy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,208
5,104
0.622
* Total Citation Counts Rankings
World Ranking
127,719
Country Ranking
3,176
Institution Ranking
279
Joost R. Van Der Vorst
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,754
4,134
0.533
![](https://cdn.adscientificindex.com/logos/24366.png)
Vascular Surgery
Imaging
Clinical trials
Fluorescence
* Total Citation Counts Rankings
World Ranking
126,716
Country Ranking
5,592
Institution Ranking
625
Bobby Yanagawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,809
3,594
0.460
* Total Citation Counts Rankings
World Ranking
127,618
Country Ranking
49,449
Institution Ranking
333
William Jordan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,760
2,971
0.383
![](https://cdn.adscientificindex.com/logos/2313.jpg)
Vascular surgery
healthcare
* Total Citation Counts Rankings
World Ranking
129,875
Country Ranking
1,931
Institution Ranking
222
Johan Nilsson
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,638
4,059
0.531
![](https://cdn.adscientificindex.com/logos/5336.jpg)
Artificial Intelligence
Heart transplantation
Cardiac surgery
risk stratification
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* Total Citation Counts Rankings
World Ranking
130,586
Country Ranking
10,591
Institution Ranking
112
Giovanni Mariscalco
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,602
4,646
0.611
* Total Citation Counts Rankings
World Ranking
131,956
Country Ranking
2,184
Institution Ranking
71
Enio Buffolo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,528
894
0.119
![](https://cdn.adscientificindex.com/logos/9875.png)
Cirurgia Cardiovascular
* Total Citation Counts Rankings
World Ranking
138,791
Country Ranking
3
Institution Ranking
1
Reida M El Oakley
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,179
2,469
0.344
![](https://cdn.adscientificindex.com/logos/5249.png)
Cardiovascular Surgery
* Total Citation Counts Rankings
World Ranking
140,345
Country Ranking
53,598
Institution Ranking
1,927
Louis L Nguyen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,103
4,515
0.636
![](https://cdn.adscientificindex.com/logos/3215.jpg)
vascular surgery
outcomes research
health economics
* Total Citation Counts Rankings
World Ranking
143,307
Country Ranking
11,453
Institution Ranking
266
Chris Twine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,968
5,679
0.815
![](https://cdn.adscientificindex.com/logos/14639.png)
Vascular surgery. Endovascular intervention.
* Total Citation Counts Rankings
World Ranking
143,690
Country Ranking
6,282
Institution Ranking
419
Darren H Freed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,950
3,812
0.548
![](https://cdn.adscientificindex.com/logos/10815.jpg)
cardiac surgery
heart and lung failure
cardiothoracic transplantation
cardiac fibrosis
ventricular assist devices
* Total Citation Counts Rankings
World Ranking
145,807
Country Ranking
2,562
Institution Ranking
740
Roberto Costa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,852
1,634
0.238
![](https://cdn.adscientificindex.com/logos/9794.jpg)
Cardiac Pacing
Pacemaker
Implantable Cardioverter Defibrillator
Cardiac Resynchronization Therapy
Transvenous Lead Extractio
* Total Citation Counts Rankings
World Ranking
144,507
Country Ranking
2,519
Institution Ranking
15
Eugenio Araujo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,913
5,130
0.742
![](https://cdn.adscientificindex.com/logos/9858.png)
veterinary pathology
cardiovascular surgery
signal transduction pathways
* Total Citation Counts Rankings
World Ranking
145,133
Country Ranking
55,140
Institution Ranking
533
Efthymios Avgerinos
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,883
3,880
0.564
* Total Citation Counts Rankings
World Ranking
152,502
Country Ranking
57,516
Institution Ranking
475
Pirooz Eghtesady
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,563
3,767
0.574
![](https://cdn.adscientificindex.com/logos/11862.jpg)
Congenital heart disease
pediatric cardiac surgery
virology
immunology
* Total Citation Counts Rankings
World Ranking
145,832
Country Ranking
55,365
Institution Ranking
567
Dominique Vervoort
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,850
6,822
0.996
![](https://cdn.adscientificindex.com/logos/4631.png)
Cardiac Surgery
Global Surgery
Health Economics
* Total Citation Counts Rankings
World Ranking
155,684
Country Ranking
4,437
Institution Ranking
16
Marc Laskar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,434
2,354
0.366
![](https://cdn.adscientificindex.com/logos/24465.png)
Chirurgie cardiaque
Chirurgie vasculaire
Démographie médicale
* Total Citation Counts Rankings
World Ranking
155,485
Country Ranking
58,467
Institution Ranking
2,076
Michael T Watkins
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,442
1,321
0.205
![](https://cdn.adscientificindex.com/logos/3215.jpg)
Vascular Surgery
Ischemia Reperfusion Injury
Wound Healing
* Total Citation Counts Rankings
World Ranking
156,079
Country Ranking
58,666
Institution Ranking
2
Thomas Schwann
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,418
2,732
0.426
* Total Citation Counts Rankings
World Ranking
156,424
Country Ranking
58,779
Institution Ranking
150
Zhongjun J Wu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,405
3,246
0.507
![](https://cdn.adscientificindex.com/logos/11178.png)
Artificial organs
cardiovascular disease
heart valve
assist device