Trend of robot-assisted surgery system in gastrointestinal and liver surgery: A bibliometric analysis

Table 1 Articles published by institutions (only those with more than 3 articles are listed)

Institution	Year of first publication	Number of articles
Yonsei University Health System	2017	7
Yonsei University	2017	7
Korea University Medicine (KU Medicine)	2011	6
Korea University	2011	6
University of Illinois System	2001	5
George Washington University	2016	5
Central South University	2017	5
University of California System	2003	5
University of Illinois Chicago	2001	5
Fujita Health University	2011	5
University of Illinois Chicago Hospital	2001	5
Advent Health	2013	4
Amrita Vishwa Vidyapeetham	2020	4
National Taiwan University	2014	4
University of Texas System	2020	4
Azienda Ospedaliero Universitaria Careggi	2015	4
Cleveland Clinic Foundation	2012	4
Adventist Health Services	2013	4
Fujian Medical University	2018	4
Amrita Vishwa Vidyapeetham Kochi	2020	4
Institutul Clinic Fundeni	2016	3
Charité University Berlin Medical School	2008	3
University of California Irvine	2003	3
IRCCS European Institute of Oncology (IEO)	2011	3
National Taiwan University Hospital	2014	3
National University of Singapore	2010	3
Hopital Universitaire Hotel-Dieu-APHP	2016	3
Herlev and Gentofte Hospital	2013	3
Istanbul Medeniyet University	2013	3
Technical University of Munich	2015	3
Hopital Universitaire Paul-Brousse - APHP	2016	3
Chinese People's Liberation Army General Hospital	2016	3
Tianjin University	2017	3
University of North Carolina	2001	3
Imperial College London	2003	3
Assistance Publique Hopitaux Paris (APHP)	2016	3
Ajou University	2010	3
Autonomous University of Barcelona	2022	3
University of Copenhagen	2013	3
Shizuoka Cancer Center	2014	3
Carol Davila University of Medicine & Pharmacy	2016	3
Chinese University of Hong Kong	2016	3
Intuitive Surgical	2020	3
Army Medical University	2014	3

Table 2 Articles published by institutions (only those with more than 2 articles are listed)

Author	Year of first publication	Number of articles
Ichiro Uyama	2011	4
Mario Annecchiarico	2015	3
Enrico Andolfi	2017	3
Valentina Valle	2020	2
Anuradha R Bhama	2016	2
Luciano Casciola	2011	2
Ismail Gogenur	2018	2
Pier C Giulianotti	2020	2
Makoto Hashizume	2003	2
Omar Kadri	2017	2
Alberto Mangano	2020	2
Ismail Pinar	2018	2
Paolo Dario	2010	2
Kang-young Lee	2021	2
Nam-kyu Kim	2021	2
Sharona Ross	2023	2
Hyoung-Il Kim	2021	2
Wanda Petz	2016	2
Tina Fransgaard	2018	2
Alexander Rosemurgy	2023	2
Sam Atallah	2013	2
Robert K Cleary	2016	2
Ajay Varun Reddy	2017	2
Alberto Bartoli	2011	2
Dong-won Park	2017	2
W. Scott Melvin	2003	2
Hyuk Hur	2021	2
Bilgi Baca	2018	2
Yoshinori Ishida	2011	2
Jin-Hong Lim	2017	2
Eduardo Fernandes	2020	2
Gianandrea Baldazzi	2013	2
Se-Hoon Kim	2017	2
Heiko Aselmann	2016	2
Dariush Kamali	2017	2
Samir Agarwal	2017	2
Mario Masrur	2020	2
Orhan Alimoglu	2015	2
Seung-Yoon Yang	2021	2
Woo-Jung Lee	2017	2
Ninh T Nguyen	2015	2
Erman Aytac	2018	2
Natasha Alvarado	2016	2
Amalanshu Jha	2017	2
Gabriela Aguiluz	2020	2
Yusuke Kinugasa	2023	2
Byung-soh Min	2021	2
Madan Jha	2017	2
Graziano Ceccarelli	2011	2
Roberto Bustos	2020	2
Alberto Patriti	2011	2
Chang-moo Kang	2017	2
Iswanto Sucandy	2023	2
Santiago Horgan	2001	2
Jian-Min Li	2020	2
James F Vandewarker	2016	2

Table 3 Keywords with the occurrence more than 10

Keywords	Year of first occurrences	Frequency	Centrality
Robotic surgery	2007	95	0.14
Rectal cancer	2013	76	0.34
Resection	2011	68	0.06
Surgery	2010	57	0.06
Outcome	2010	46	0.21
Laparoscopic surgery	1997	43	0.11
Learning curve	2012	42	0.51
Total mesorectal excision	2011	42	0.29
Minimally invasive surgery	2007	33	0.2
Colorectal surgery	2009	32	0.04
Meta analysis	2014	27	0.11
Gastric cancer	2012	27	0.06
Cancer	2007	26	0.38
Short term outcome	2013	23	0.1
Experience	2007	22	0.23
Complications	2014	22	0.17
Colorectal cancer	2016	21	0
Robot-assisted surgery	2005	19	0.08
Low anterior resection	2012	18	0.02
Trial	2011	17	0.06
Impact	2016	15	0.03
Survival	2019	15	0.02
Lymph node dissection	2010	14	0.08
Multicenter	2005	13	0.23
Colon cancer	2018	10	0.04
Classification	2015	10	0