Andrés Peña

1.3k total citations · 1 hit paper
21 papers, 1.1k citations indexed

About

Andrés Peña is a scholar working on Surgery, Oncology and Gastroenterology. According to data from OpenAlex, Andrés Peña has authored 21 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Surgery, 6 papers in Oncology and 6 papers in Gastroenterology. Recurrent topics in Andrés Peña's work include Esophageal and GI Pathology (5 papers), Pancreatitis Pathology and Treatment (4 papers) and Helicobacter pylori-related gastroenterology studies (3 papers). Andrés Peña is often cited by papers focused on Esophageal and GI Pathology (5 papers), Pancreatitis Pathology and Treatment (4 papers) and Helicobacter pylori-related gastroenterology studies (3 papers). Andrés Peña collaborates with scholars based in Spain, Colombia and Guinea-Bissau. Andrés Peña's co-authors include A Benages, José Rodrigo, Juan A. del Olmo, Miguel A. Serra, A. Wassel, Francisco Mora, Isabel Pascual, Miguel Mínguez, Juan F. Ascaso and Antonio Hernández and has published in prestigious journals such as Gastroenterology, Journal of Hepatology and The American Journal of Gastroenterology.

In The Last Decade

Andrés Peña

20 papers receiving 1.1k 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.

Predictors of morbidity and mortality after the first episode of upper gastrointestinal bleeding in liver cirrhosis

2000 794 citations Juan A. del Olmo, Andrés Peña et al. Journal of Hepatology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Andrés Peña Spain	10	622	615	389	188	188	21	1.1k
Y Ogawa Japan	18	564 0.9×	858 1.4×	491 1.3×	141 0.8×	189 1.0×	50	1.3k
Kazutoyo Morita Japan	20	599 1.0×	696 1.1×	296 0.8×	172 0.9×	192 1.0×	84	1.2k
Francis Navarro France	17	388 0.6×	246 0.4×	165 0.4×	86 0.5×	213 1.1×	43	773
Irene H. Straatsburg Netherlands	14	375 0.6×	447 0.7×	285 0.7×	59 0.3×	73 0.4×	21	792
Rafael Perini Canada	11	205 0.3×	98 0.2×	112 0.3×	89 0.5×	103 0.5×	19	625
Daichi Takizawa Japan	16	204 0.3×	408 0.7×	270 0.7×	105 0.6×	128 0.7×	57	821
Michael Becker Germany	18	1.4k 2.2×	88 0.1×	145 0.4×	152 0.8×	920 4.9×	28	1.8k
Christopher Franklin United Kingdom	8	248 0.4×	223 0.4×	223 0.6×	165 0.9×	50 0.3×	14	883
Koji Sasajima Japan	21	659 1.1×	50 0.1×	229 0.6×	215 1.1×	308 1.6×	81	1.3k
Giorgio Zanette Italy	12	307 0.5×	89 0.1×	228 0.6×	335 1.8×	126 0.7×	21	812

Countries citing papers authored by Andrés Peña

Since Specialization

Citations

This map shows the geographic impact of Andrés Peña'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 Andrés Peña with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andrés Peña more than expected).

Fields of papers citing papers by Andrés Peña

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrés Peña. 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 Andrés Peña. The network helps show where Andrés Peña may publish in the future.

Co-authorship network of co-authors of Andrés Peña

This figure shows the co-authorship network connecting the top 25 collaborators of Andrés Peña. A scholar is included among the top collaborators of Andrés Peña 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 Andrés Peña. Andrés Peña 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

Moro‐Valdezate, David, et al.. (2022). Sigmoid volvulus: outcomes of treatment and predictors of morbidity and mortality. Langenbeck s Archives of Surgery. 407(3). 1161–1171. 14 indexed citations

Toscá, Joan, Isabel Pascual, Paloma Lluch, et al.. (2022). Caustic Ingestion: A Risk-Based Algorithm. The American Journal of Gastroenterology. 117(10). 1593–1604. 1 indexed citations

Fernández, Cristina, et al.. (2021). Endoscopic submucosal dissection with SB Knife� for treatment of a subcardial gastric leiomyoma. Revista Española de Enfermedades Digestivas. 113(11). 794–796.

Martínez, Juan, José Ramón Aparicio, Andrés Peña, & Juan Antonio Casellas. (2019). The current situation of digestive endoscopy units in the Valencian Community. Revista Española de Enfermedades Digestivas. 111(7). 556–562. 2 indexed citations

Pascual, Isabel, Oswaldo Moreno, Joan Toscá, et al.. (2019). Association of elevated serum triglyceride levels with a more severe course of acute pancreatitis: Cohort analysis of 1457 patients. Pancreatology. 19(5). 623–629. 59 indexed citations

Flor‐Lorente, Blas, Matteo Frasson, Álvaro García‐Granero, et al.. (2017). Stents metálicos autoexpandibles como puente a la cirugía en el tratamiento del cáncer de colon izquierdo en oclusión. Análisis coste-beneficio y resultados oncológicos. Cirugía Española. 95(3). 143–151. 16 indexed citations

Flor‐Lorente, Blas, Matteo Frasson, Álvaro García‐Granero, et al.. (2017). Self-Expanding Metallic Stent as a Bridge to Surgery in the Treatment of Left Colon Cancer Obstruction: Cost–Benefit Analysis and Oncologic Results. Cirugía Española (English Edition). 95(3). 143–151. 18 indexed citations

Pascual, Isabel, Luís Sabater, R Añón, et al.. (2013). Surgical Versus Nonsurgical Treatment of Infected Pancreatic Necrosis: More Arguments to Change the Paradigm. Journal of Gastrointestinal Surgery. 17(9). 1627–1633. 19 indexed citations

Peña, Andrés, et al.. (2010). Cuantificación e interpolación de tendencias locales de temperatura y precipitación en zonas alto andinas de Cundinamarca y Boyacá (Colombia). Ciencia y Tecnología Agropecuaria. 11(2). 173–182. 22 indexed citations

10.

Peña, Andrés, et al.. (2010). Quantization and interpolation of local trends in temperature and precipitation in the high Andean areas of Cundinamarca and Boyaca (Colombia. 11(2). 173–182. 1 indexed citations

11.

Almela, Pedro, et al.. (2010). S1102 Relationship Between Rockall, Blatchford and Almela Scores in Non-Variceal Upper Gastrointestinal Bleeding (NVUGIH). Gastroenterology. 138(5). S–180. 1 indexed citations

12.

Peña, Andrés, et al.. (2009). Variabilidad espacial de los atributos de la capa arable de un Inceptisol del piedemonte de la cordillera Oriental (Casanare, Colombia). LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas). 27(1). 111–120. 8 indexed citations

13.

Pascual, Isabel, Andrés Peña, R Añón, et al.. (2008). Morphological and Functional Evaluation of the Pancreatic Duct with Secretin-Stimulated Magnetic Resonance Cholangiopancreatography in Alcoholic Pancreatitis Patients. Digestive Diseases and Sciences. 53(12). 3234–3241. 7 indexed citations

14.

Almela, Pedro, A Benages, Salvador Peiró, et al.. (2004). A risk score system for identification of patients with upper-GI bleeding suitable for outpatient management. Gastrointestinal Endoscopy. 59(7). 772–781. 27 indexed citations

15.

Olmo, Juan A. del, Andrés Peña, Miguel A. Serra, et al.. (2000). Predictors of morbidity and mortality after the first episode of upper gastrointestinal bleeding in liver cirrhosis. Journal of Hepatology. 32(1). 19–24. 794 indexed citations breakdown →

16.

Mora, Francisco, Miguel Mínguez, Belén Herreros, et al.. (2000). Do the alterations in the upper esophageal sphincter (UES) influence the clinical characteristics in patients with achalasia?. Gastroenterology. 118(4). A629–A629. 1 indexed citations

17.

Ascaso, Juan F., Francisco Mora, Miguel Mínguez, et al.. (1999). Gastroesophageal Reflux in Diabetes Mellitus. The American Journal of Gastroenterology. 94(4). 919–924. 63 indexed citations

18.

Grau-Béjar, Juan Francisco, Pedro Almela, Luís Aparisi, et al.. (1999). Usefulness of Alanine and Aspartate Aminotransferases in the Diagnosis of Microlithiasis in Idiopathic Acute Pancreatitis. International Journal of Gastrointestinal Cancer. 25(2). 107–112. 22 indexed citations

19.

Dieleman, Levinus A., Marja B. van der Ende, Elisabeth Bloemena, et al.. (1995). TH 1 response in the chronic phase of dextran sulfate sodium (DSS)-induced colitis in mice. Gastroenterology. 108(4). A810–A810. 2 indexed citations

20.

Shivananda, S, M. L. Hordijk, Andrés Peña, & J F Mayberry. (1987). Inflammatory Bowel Disease: One Condition or Two?. Digestion. 38(3). 187–192. 6 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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