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
1,927,430
Country Rank
27,320
Institution Rank : 1,037
![](https://cdn.adscientificindex.com/logos/5663.png)
![Egypt](/flags/eg.png)
![Hesham Hassan Ahmed](/pictures/b3/5036079.jpg)
cardiothoracic surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total Citation Counts Rankings
World Rank
1,930,558
Country Rank
10,533
Institution Rank : 210
![](https://cdn.adscientificindex.com/logos/11196.png)
![Romania](/flags/ro.png)
![Ghiragosian Claudiu](/pictures/bd/5332245.jpg)
Chirurgie cardiovasculara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total Citation Counts Rankings
World Rank
1,919,467
Country Rank
13,731
Institution Rank : 682
![](https://cdn.adscientificindex.com/logos/9360.png)
![Colombia](/flags/co.png)
![Paula Pinto Rodríguez](/pictures/a7/5459626.jpg)
Vascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total Citation Counts Rankings
World Rank
1,939,421
Country Rank
63,981
Institution Rank : 10
![](https://cdn.adscientificindex.com/logos/18325.png)
![Brazil](/flags/br.png)
![Sergio Campos Christo](/user/assets/images/profile/no-profile-photo.png)
Cirurgia Vascular
Cirurgia Cardíaca
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
6
0.400
* Total Citation Counts Rankings
World Rank
1,944,575
Country Rank
407,564
Institution Rank : 660
![](https://cdn.adscientificindex.com/logos/10926.png)
![United States](/flags/us.png)
![Pedro Juan Furtado Neves](/pictures/2c/5460355.jpg)
Vascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
* Total Citation Counts Rankings
World Rank
1,919,467
Country Rank
404,532
Institution Rank : 4,284
![](https://cdn.adscientificindex.com/logos/10892.jpg)
![United States](/flags/us.png)
![Nameer Ascandar](/user/assets/images/profile/no-profile-photo.png)
Health Services research
Healthcare Disparities
Cardiac Surgery
Cardiology
Internal Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total Citation Counts Rankings
World Rank
1,949,492
Country Rank
702
Institution Rank : 210
![](https://cdn.adscientificindex.com/logos/13685.png)
![Moldova](/flags/md.png)
![Aurel Turcan](/user/assets/images/profile/no-profile-photo.png)
chirurgie vasculară
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total Citation Counts Rankings
World Rank
1,957,675
Country Rank
36,601
Institution Rank : 243
![](https://cdn.adscientificindex.com/logos/7355.png)
![Russia](/flags/ru.png)
![Игорь Простов](/user/assets/images/profile/no-profile-photo.png)
vascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
World Rank
1,957,675
Country Rank
107,514
Institution Rank : 89
![](https://cdn.adscientificindex.com/logos/28182.png)
![India](/flags/in.png)
![Pratik K Jha](/pictures/0d/5463590.jpg)
Cardiothoracic and Vascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
World Rank
1,957,675
Country Rank
41,246
Institution Rank : 100
![](https://cdn.adscientificindex.com/logos/12086.jpg)
![Iran](/flags/ir.png)
![Seyed Ali Mohammad Sadat](/pictures/93/5546039.jpg)
Vascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
World Rank
1,961,974
Country Rank
41,328
Institution Rank : 85
![](https://cdn.adscientificindex.com/logos/17445.png)
![Iran](/flags/ir.png)
![Masoumeh Hosseinzadeh Emam](/pictures/4e/5245582.jpg)
critical care
cardiac surgery ICU
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total Citation Counts Rankings
World Rank
1,949,096
Country Rank
27,898
Institution Rank : 372
![](https://cdn.adscientificindex.com/logos/6982.png)
![Egypt](/flags/eg.png)
![Ahmed Sawaby](/pictures/dc/5062328.jpg)
Vascular surgery
endovascular
lymphedema
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total Citation Counts Rankings
World Rank
1,965,197
Country Rank
108,164
Institution Rank : 104
![](https://cdn.adscientificindex.com/logos/4535.png)
![India](/flags/in.png)
![Ramsankar Padmanabhan](/user/assets/images/profile/no-profile-photo.png)
Cardiac surgery
Thoracic surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
* Total Citation Counts Rankings
World Rank
1,966,265
Country Rank
41,436
Institution Rank : 60
![](https://cdn.adscientificindex.com/logos/1940.png)
![Iran](/flags/ir.png)
![Mazyar Karamnejad](/user/assets/images/profile/no-profile-photo.png)
Cardiovascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
* Total Citation Counts Rankings
World Rank
1,968,920
Country Rank
56,104
Institution Rank : 759
![](https://cdn.adscientificindex.com/logos/7454.png)
![Türkiye](/flags/tr.png)
![Arif Yasin Çakmak](/user/assets/images/profile/no-profile-photo.png)
Kalp ve Damar Cerrahisi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total Citation Counts Rankings
World Rank
1,971,772
Country Rank
12,273
Institution Rank : 293
![](https://cdn.adscientificindex.com/logos/5459.png)
![Saudi Arabia](/flags/sa.png)
![Haitham Mahmoud O Albar](/pictures/02/5287801.jpg)
Cardiac Surgery
Surgery
Medical education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total Citation Counts Rankings
World Rank
1,971,772
Country Rank
10,135
Institution Rank : 73
![](https://cdn.adscientificindex.com/logos/17442.png)
![Taiwan](/flags/tw.png)
![Wei Hsiang Feng](/user/assets/images/profile/no-profile-photo.png)
Cardiothoracic surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total Citation Counts Rankings
World Rank
1,979,650
Country Rank
56,541
Institution Rank : 764
![](https://cdn.adscientificindex.com/logos/7454.png)
![Türkiye](/flags/tr.png)
![Anil Karaağaç](/pictures/83/5047576.jpg)
Cardiovascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
* Total Citation Counts Rankings
World Rank
1,983,402
Country Rank
411,941
Institution Rank : 591
![](https://cdn.adscientificindex.com/logos/17431.png)
![United States](/flags/us.png)
![Amir Mehdizadeh-Shrifi](/pictures/b5/5372410.jpg)
Cardiothoracic Surgery
Ventricular Assist Device
Transplantation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
World Rank
1,986,222
Country Rank
56,751
Institution Rank : 498
![](https://cdn.adscientificindex.com/logos/3208.jpg)
![Türkiye](/flags/tr.png)
![Yasemin Hacanli](/user/assets/images/profile/no-profile-photo.png)
kalp ve damar cerrahisi
perfüzyon
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
World Rank
1,986,222
Country Rank
56,751
Institution Rank : 498
![](https://cdn.adscientificindex.com/logos/3208.jpg)
![Türkiye](/flags/tr.png)
![Ezhar Korkmaz Ersöz](/user/assets/images/profile/no-profile-photo.png)
kalp ve damar cerrahisi
perfüzyonist
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
World Rank
1,986,222
Country Rank
10,961
Institution Rank : 253
![](https://cdn.adscientificindex.com/logos/1230.png)
![Romania](/flags/ro.png)
![Nayyerani Reza](/user/assets/images/profile/no-profile-photo.png)
Chirurgie cardiovasculara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total Citation Counts Rankings
World Rank
1,629,166
Country Rank
10,266
Institution Rank : 505
![](https://cdn.adscientificindex.com/logos/9360.png)
![Colombia](/flags/co.png)
![Oscar Y Moreno|OY Moreno Rocha, OY Moreno, O Moreno](/pictures/ac/5456255.jpg)
Vascular Surgery
Innovation
Translational Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50
32
0.640
* Total Citation Counts Rankings
World Rank
2,001,208
Country Rank
413,948
Institution Rank : 1,165
![](https://cdn.adscientificindex.com/logos/11199.jpg)
![United States](/flags/us.png)
![Joao Roberto Breda](https://cdn.adscientificindex.com/pictures/cc/5699793.jpg)
thoracic transplant
ventricular assist device
cardiac surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total Citation Counts Rankings
World Rank
1,917,983
Country Rank
404,360
Institution Rank : 1,822
![](https://cdn.adscientificindex.com/logos/5589.jpg)
![United States](/flags/us.png)
![Ahmed A Abdelrehim](/pictures/bc/5109159.jpg)
Cardiovascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total Citation Counts Rankings
World Ranking
1,927,430
Country Ranking
27,320
Institution Ranking
1,037
Hesham Hassan Ahmed
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
![](https://cdn.adscientificindex.com/logos/5663.png)
cardiothoracic surgery
* Total Citation Counts Rankings
World Ranking
1,930,558
Country Ranking
10,533
Institution Ranking
210
Ghiragosian Claudiu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
![](https://cdn.adscientificindex.com/logos/11196.png)
Chirurgie cardiovasculara
* Total Citation Counts Rankings
World Ranking
1,919,467
Country Ranking
13,731
Institution Ranking
682
Paula Pinto Rodríguez
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total Citation Counts Rankings
World Ranking
1,939,421
Country Ranking
63,981
Institution Ranking
10
Sergio Campos Christo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15
6
0.400
![](https://cdn.adscientificindex.com/logos/18325.png)
Cirurgia Vascular
Cirurgia Cardíaca
* Total Citation Counts Rankings
World Ranking
1,944,575
Country Ranking
407,564
Institution Ranking
660
Pedro Juan Furtado Neves
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
* Total Citation Counts Rankings
World Ranking
1,919,467
Country Ranking
404,532
Institution Ranking
4,284
Nameer Ascandar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
![](https://cdn.adscientificindex.com/logos/10892.jpg)
Health Services research
Healthcare Disparities
Cardiac Surgery
Cardiology
Internal Medicine
* Total Citation Counts Rankings
World Ranking
1,949,492
Country Ranking
702
Institution Ranking
210
Aurel Turcan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
![](https://cdn.adscientificindex.com/logos/13685.png)
chirurgie vasculară
* Total Citation Counts Rankings
World Ranking
1,957,675
Country Ranking
36,601
Institution Ranking
243
Игорь Простов
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total Citation Counts Rankings
World Ranking
1,957,675
Country Ranking
107,514
Institution Ranking
89
Pratik K Jha
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
![](https://cdn.adscientificindex.com/logos/28182.png)
Cardiothoracic and Vascular Surgery
* Total Citation Counts Rankings
World Ranking
1,957,675
Country Ranking
41,246
Institution Ranking
100
Seyed Ali Mohammad Sadat
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
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* Total Citation Counts Rankings
World Ranking
1,961,974
Country Ranking
41,328
Institution Ranking
85
Masoumeh Hosseinzadeh Emam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
![](https://cdn.adscientificindex.com/logos/17445.png)
critical care
cardiac surgery ICU
* Total Citation Counts Rankings
World Ranking
1,949,096
Country Ranking
27,898
Institution Ranking
372
Ahmed Sawaby
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
![](https://cdn.adscientificindex.com/logos/6982.png)
Vascular surgery
endovascular
lymphedema
* Total Citation Counts Rankings
World Ranking
1,965,197
Country Ranking
108,164
Institution Ranking
104
Ramsankar Padmanabhan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
![](https://cdn.adscientificindex.com/logos/4535.png)
Cardiac surgery
Thoracic surgery
* Total Citation Counts Rankings
World Ranking
1,966,265
Country Ranking
41,436
Institution Ranking
60
Mazyar Karamnejad
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13
7
0.538
![](https://cdn.adscientificindex.com/logos/1940.png)
Cardiovascular Surgery
* Total Citation Counts Rankings
World Ranking
1,968,920
Country Ranking
56,104
Institution Ranking
759
Arif Yasin Çakmak
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
![](https://cdn.adscientificindex.com/logos/7454.png)
Kalp ve Damar Cerrahisi
* Total Citation Counts Rankings
World Ranking
1,971,772
Country Ranking
12,273
Institution Ranking
293
Haitham Mahmoud O Albar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
![](https://cdn.adscientificindex.com/logos/5459.png)
Cardiac Surgery
Surgery
Medical education
* Total Citation Counts Rankings
World Ranking
1,971,772
Country Ranking
10,135
Institution Ranking
73
Wei Hsiang Feng
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
![](https://cdn.adscientificindex.com/logos/17442.png)
Cardiothoracic surgery
* Total Citation Counts Rankings
World Ranking
1,979,650
Country Ranking
56,541
Institution Ranking
764
Anil Karaağaç
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12
9
0.750
![](https://cdn.adscientificindex.com/logos/7454.png)
Cardiovascular Surgery
* Total Citation Counts Rankings
World Ranking
1,983,402
Country Ranking
411,941
Institution Ranking
591
Amir Mehdizadeh-Shrifi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![](https://cdn.adscientificindex.com/logos/17431.png)
Cardiothoracic Surgery
Ventricular Assist Device
Transplantation
* Total Citation Counts Rankings
World Ranking
1,986,222
Country Ranking
56,751
Institution Ranking
498
Yasemin Hacanli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![](https://cdn.adscientificindex.com/logos/3208.jpg)
kalp ve damar cerrahisi
perfüzyon
* Total Citation Counts Rankings
World Ranking
1,986,222
Country Ranking
56,751
Institution Ranking
498
Ezhar Korkmaz Ersöz
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![](https://cdn.adscientificindex.com/logos/3208.jpg)
kalp ve damar cerrahisi
perfüzyonist
* Total Citation Counts Rankings
World Ranking
1,986,222
Country Ranking
10,961
Institution Ranking
253
Nayyerani Reza
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![](https://cdn.adscientificindex.com/logos/1230.png)
Chirurgie cardiovasculara
* Total Citation Counts Rankings
World Ranking
1,629,166
Country Ranking
10,266
Institution Ranking
505
Oscar Y Moreno|OY Moreno Rocha, OY Moreno, O Moreno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
50
32
0.640
![](https://cdn.adscientificindex.com/logos/9360.png)
Vascular Surgery
Innovation
Translational Medicine
* Total Citation Counts Rankings
World Ranking
2,001,208
Country Ranking
413,948
Institution Ranking
1,165
Joao Roberto Breda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
![](https://cdn.adscientificindex.com/logos/11199.jpg)
thoracic transplant
ventricular assist device
cardiac surgery
* Total Citation Counts Rankings
World Ranking
1,917,983
Country Ranking
404,360
Institution Ranking
1,822
Ahmed A Abdelrehim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
![](https://cdn.adscientificindex.com/logos/5589.jpg)
Cardiovascular Surgery