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
225,052
Country Rank
5,076
Institution Rank : 1,316
![](https://cdn.adscientificindex.com/logos/9794.jpg)
![Brazil](/flags/br.png)
![Alfredo Inácio Fiorelli](https://cdn.adscientificindex.com/pictures/8b/860925.jpg)
Cirurgia Torácica e Cardiovascular
Transplante Cardíaco
Cardiomiopatias
Doença de Chagas
Biopsia de Coração - Marca-pas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,410
1,197
0.271
* Total Citation Counts Rankings
World Rank
279,828
Country Rank
5,728
Institution Rank : 12
![](https://cdn.adscientificindex.com/logos/8143.png)
![India](/flags/in.png)
![Amit Banerjee](https://cdn.adscientificindex.com/pictures/dd/4992439.jpg)
Cardiovascular & Thoracic Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,457
1,652
0.478
* Total Citation Counts Rankings
World Rank
301,637
Country Rank
6,180
Institution Rank : 22
![](https://cdn.adscientificindex.com/logos/5731.jpg)
![Japan](/flags/jp.png)
![Motoshi Takao](/user/assets/images/profile/no-profile-photo.png)
thoracic & cardiovascular surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,165
887
0.280
* Total Citation Counts Rankings
World Rank
387,289
Country Rank
6,769
Institution Rank : 70
![](https://cdn.adscientificindex.com/logos/1251.jpg)
![South Korea](/flags/kr.png)
![Hyung Joo Park](https://cdn.adscientificindex.com/pictures/3d/360463.jpg)
Thoracic and Cardiovascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,315
878
0.379
* Total Citation Counts Rankings
World Rank
1,134,596
Country Rank
3,641
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/745.png)
![Bangladesh](/flags/bd.png)
![Redoy Ranjan](/pictures/88/4534753.jpg)
Cardiovascular & thoracic Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
176
0.782
* Total Citation Counts Rankings
World Rank
1,379,790
Country Rank
2,734
Institution Rank : 580
![](https://cdn.adscientificindex.com/logos/5076.png)
![Ghana](/flags/gh.png)
![Isaac Okyere](/pictures/03/4590072.jpg)
Cardiovascular and Thoracic Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
107
103
0.963
* Total Citation Counts Rankings
World Rank
1,613,899
Country Rank
20,121
Institution Rank : 2,066
![](https://cdn.adscientificindex.com/logos/11639.png)
![Netherlands](/flags/nl.png)
![Manon Meerman](/pictures/aa/5110192.jpg)
cardiology
cardiovascular disease
anesthesiology
cardiothoracic surgery
medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52
52
1.000
* Total Citation Counts Rankings
World Rank
1,640,257
Country Rank
4,382
Institution Rank : 1,011
![](https://cdn.adscientificindex.com/logos/11217.jpg)
![Kenya](/flags/ke.png)
![Fredrick Mitema](/user/assets/images/profile/no-profile-photo.png)
Thoracic Surgery
Cardiovascular Surgery
Vascular Surgery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
41
0.854
* Total Citation Counts Rankings
World Ranking
225,052
Country Ranking
5,076
Institution Ranking
1,316
Alfredo Inácio Fiorelli
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,410
1,197
0.271
![](https://cdn.adscientificindex.com/logos/9794.jpg)
Cirurgia Torácica e Cardiovascular
Transplante Cardíaco
Cardiomiopatias
Doença de Chagas
Biopsia de Coração - Marca-pas
* Total Citation Counts Rankings
World Ranking
279,828
Country Ranking
5,728
Institution Ranking
12
Amit Banerjee
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,457
1,652
0.478
![](https://cdn.adscientificindex.com/logos/8143.png)
Cardiovascular & Thoracic Surgery
* Total Citation Counts Rankings
World Ranking
301,637
Country Ranking
6,180
Institution Ranking
22
Motoshi Takao
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,165
887
0.280
![](https://cdn.adscientificindex.com/logos/5731.jpg)
thoracic & cardiovascular surgery
* Total Citation Counts Rankings
World Ranking
387,289
Country Ranking
6,769
Institution Ranking
70
Hyung Joo Park
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,315
878
0.379
![](https://cdn.adscientificindex.com/logos/1251.jpg)
Thoracic and Cardiovascular Surgery
* Total Citation Counts Rankings
World Ranking
1,134,596
Country Ranking
3,641
Institution Ranking
39
Redoy Ranjan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
225
176
0.782
![](https://cdn.adscientificindex.com/logos/745.png)
Cardiovascular & thoracic Surgery
* Total Citation Counts Rankings
World Ranking
1,379,790
Country Ranking
2,734
Institution Ranking
580
Isaac Okyere
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
107
103
0.963
![](https://cdn.adscientificindex.com/logos/5076.png)
Cardiovascular and Thoracic Surgery
* Total Citation Counts Rankings
World Ranking
1,613,899
Country Ranking
20,121
Institution Ranking
2,066
Manon Meerman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
52
52
1.000
![](https://cdn.adscientificindex.com/logos/11639.png)
cardiology
cardiovascular disease
anesthesiology
cardiothoracic surgery
medicine
* Total Citation Counts Rankings
World Ranking
1,640,257
Country Ranking
4,382
Institution Ranking
1,011
Fredrick Mitema
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
48
41
0.854
![](https://cdn.adscientificindex.com/logos/11217.jpg)
Thoracic Surgery
Cardiovascular Surgery
Vascular Surgery