Luís Lopes

1.3k total citations · 1 hit paper
41 papers, 748 citations indexed

About

Luís Lopes is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Luís Lopes has authored 41 papers receiving a total of 748 indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Surgery, 18 papers in Pulmonary and Respiratory Medicine and 18 papers in Oncology. Recurrent topics in Luís Lopes's work include Gallbladder and Bile Duct Disorders (16 papers), Pancreatic and Hepatic Oncology Research (15 papers) and Pediatric Hepatobiliary Diseases and Treatments (12 papers). Luís Lopes is often cited by papers focused on Gallbladder and Bile Duct Disorders (16 papers), Pancreatic and Hepatic Oncology Research (15 papers) and Pediatric Hepatobiliary Diseases and Treatments (12 papers). Luís Lopes collaborates with scholars based in Portugal, United States and Italy. Luís Lopes's co-authors include Mário Dinis‐Ribeiro, José Maria Soares, Carla Rolanda, Lars Aabakken, Guido Costamagna, Andrea Tringali, Jeanin E. van Hooft, Marc Giovannini, Tony Tham and Marianna Arvanitakis and has published in prestigious journals such as SHILAP Revista de lepidopterología, Scientific Reports and Gastrointestinal Endoscopy.

In The Last Decade

Luís Lopes

34 papers receiving 730 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Papillary cannulation and sphincterotomy techniques at ERCP: European Society of Gastrointestinal Endoscopy (ESGE) Clinical Guideline

2016 358 citations Marianna Arvanitakis, Mário Dinis‐Ribeiro et al. Endoscopy profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Luís Lopes Portugal	11	627	525	399	156	46	41	748
Naoki Asayama Japan	15	357 0.6×	493 0.9×	311 0.8×	194 1.2×	60 1.3×	54	681
Philip E. Jaffe United States	14	359 0.6×	268 0.5×	166 0.4×	104 0.7×	32 0.7×	24	477
Hazem Hammad United States	13	420 0.7×	294 0.6×	242 0.6×	84 0.5×	43 0.9×	68	522
Simon Nennstiel Germany	14	410 0.7×	241 0.5×	139 0.3×	128 0.8×	31 0.7×	30	493
Mahendran Jayaraj United States	16	533 0.9×	488 0.9×	301 0.8×	53 0.3×	45 1.0×	38	666
Alberto Di Leo Italy	12	366 0.6×	504 1.0×	82 0.2×	255 1.6×	29 0.6×	23	651
Jean Marc Canard France	9	313 0.5×	244 0.5×	150 0.4×	89 0.6×	49 1.1×	20	426
Eoin Slattery Ireland	11	323 0.5×	244 0.5×	176 0.4×	51 0.3×	93 2.0×	40	497
Nai‐Jen Liu Taiwan	13	404 0.6×	226 0.4×	158 0.4×	70 0.4×	55 1.2×	38	505
C D Auld United Kingdom	11	370 0.6×	276 0.5×	193 0.5×	38 0.2×	18 0.4×	19	479

Countries citing papers authored by Luís Lopes

Since Specialization

Citations

This map shows the geographic impact of Luís Lopes's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Luís Lopes with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Luís Lopes more than expected).

Fields of papers citing papers by Luís Lopes

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Luís Lopes. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Luís Lopes. The network helps show where Luís Lopes may publish in the future.

Co-authorship network of co-authors of Luís Lopes

This figure shows the co-authorship network connecting the top 25 collaborators of Luís Lopes. A scholar is included among the top collaborators of Luís Lopes based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Luís Lopes. Luís Lopes is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Mendes‐Frias, Ana, Margarida C. Vieira, Joana Gaifem, et al.. (2024). Akkermansia muciniphila and Parabacteroides distasonis as prognostic markers for relapse in ulcerative colitis patients. Frontiers in Cellular and Infection Microbiology. 14. 1367998–1367998. 7 indexed citations

Moreira, Marta, et al.. (2023). Development and Validation of ColonCAD – an artificial intelligence platform for the automatic segmentation, detection and classification of colon polyps. Endoscopy. 55(S 02). S255–S255.

Canena, Jorge, et al.. (2022). Side-Viewing Duodenoscope versus Forward-Viewing Gastroscope for Endoscopic Retrograde Cholangiopancreatography in Billroth II Gastrectomy Patients. GE Portuguese Journal of Gastroenterology. 30(4). 267–274. 1 indexed citations

Canena, Jorge, Luís Lopes, Patrício Costa, et al.. (2021). Influence of a novel classification of the papilla of Vater on the outcome of needle-knife fistulotomy for biliary cannulation. BMC Gastroenterology. 21(1). 147–147. 7 indexed citations

Canena, Jorge, Luís Lopes, Gonçalo Alexandrino, et al.. (2021). Efficacy and safety of primary, early and late needle-knife fistulotomy for biliary access. Scientific Reports. 11(1). 16658–16658. 8 indexed citations

Pita, Inês, et al.. (2021). Lumen-Apposing Metal Stents (Lams) in the Management of Refractory Gi Stenosis: A Series of 3 Cases. GE Portuguese Journal of Gastroenterology. 29(1). 64–67.

Canena, Jorge, et al.. (2021). Needle knife fistulotomy in flat and diverticular papillae: Is it time for redemption?. Hepatobiliary & pancreatic diseases international. 21(2). 175–181. 1 indexed citations

Libânio, Diogo, et al.. (2018). Esophageal Anastomotic Stricturotomy: Electroincision Therapy with a Needle Knife. GE Portuguese Journal of Gastroenterology. 26(2). 137–138. 1 indexed citations

Libânio, Diogo, et al.. (2018). Hybrid NOTES: Complete Endoscopic Resection of the Gastric Wall Assisted by Laparoscopy in a Gastric Fundus Gastrointestinal Stromal Tumor. GE Portuguese Journal of Gastroenterology. 26(3). 215–217. 1 indexed citations

10.

Almeida, Teresa, et al.. (2017). Fasciola hepatica—a “Diver” in the Biliary Tree. Journal of Gastrointestinal Surgery. 21(11). 1959–1960. 3 indexed citations

11.

Lopes, Luís, Mário Dinis‐Ribeiro, & Carla Rolanda. (2016). Gaining competence in needle-knife fistulotomy – can I begin on my own?. SHILAP Revista de lepidopterología. 4(4). E383–E388. 6 indexed citations

12.

Gonçalves, Bruno, Pedro Bastos, Aníbal Ferreira, et al.. (2016). Acute Treatment of Malignant Colorectal Occlusion: Real Life Practice. GE Portuguese Journal of Gastroenterology. 23(2). 66–75. 6 indexed citations

13.

Lopes, Luís, Mário Dinis‐Ribeiro, & Carla Rolanda. (2014). Safety and efficacy of precut needle-knife fistulotomy. Scandinavian Journal of Gastroenterology. 49(6). 759–765. 17 indexed citations

14.

Sá, Márcia Christel, et al.. (2014). Improving recognition of patients at risk in a Portuguese general hospital: results from a preliminary study on the early warning score. International Journal of Emergency Medicine. 7(1). 22–22. 10 indexed citations

15.

Cardoso, Teresa, Luís Lopes, & A Carneiro. (2007). A case-control study on risk factors for early-onset respiratory tract infection in patients admitted in ICU. BMC Pulmonary Medicine. 7(1). 12–12. 13 indexed citations

16.

Lopes, Luís, José María Ramada, José Maria Soares, et al.. (2006). Massive Lower Gastrointestinal Bleeding From Idiopathic Ileocolonic Varix: Report of a Case. Diseases of the Colon & Rectum. 49(4). 524–526. 17 indexed citations

17.

Lopes, Luís, et al.. (2006). Blue rubber bleb nevus syndrome: capsule endoscopy in a patient with GI bleeding. Gastrointestinal Endoscopy. 65(1). 151–152. 8 indexed citations

18.

Mascarenhas, Teresa, et al.. (2003). Watermelon Stomach Seen by Wireless-Capsule Endoscopy. Endoscopy. 35(1). 100–100. 14 indexed citations

19.

Soares, José Maria, et al.. (2003). Ascariasis Observed by Wireless-Capsule Endoscopy. Endoscopy. 35(2). 194–194. 13 indexed citations

20.

Lopes, Roberto Iglesias, et al.. (1995). 307-PA11 Bacteriological status of outpatients, after relapse, with pulmonary tuberculosis treated with 2RHZ 4RH. Tubercle and Lung Disease. 76. 88–88. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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