Sergi Ampurdanés

2.1k total citations · 1 hit paper
27 papers, 1.8k citations indexed

About

Sergi Ampurdanés is a scholar working on Hepatology, Epidemiology and Rheumatology. According to data from OpenAlex, Sergi Ampurdanés has authored 27 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Hepatology, 21 papers in Epidemiology and 5 papers in Rheumatology. Recurrent topics in Sergi Ampurdanés's work include Hepatitis C virus research (22 papers), Liver Disease Diagnosis and Treatment (15 papers) and Hepatitis B Virus Studies (12 papers). Sergi Ampurdanés is often cited by papers focused on Hepatitis C virus research (22 papers), Liver Disease Diagnosis and Treatment (15 papers) and Hepatitis B Virus Studies (12 papers). Sergi Ampurdanés collaborates with scholars based in Spain, United Kingdom and Australia. Sergi Ampurdanés's co-authors include Xavier Forns, Juan Rodés, Llorenç Quintó, José María Sánchez-Tapias, Josep M. Llovet, Miquel Bruguera, Eva Martínez‐Bauer, Juan‐Carlos Sáiz, F. Xavier López‐Labrador and J.M. Sánchez‐Tapias and has published in prestigious journals such as Hepatology, Gut and Journal of Clinical Microbiology.

In The Last Decade

Sergi Ampurdanés

27 papers receiving 1.7k citations

Hit Papers

Identification of chronic hepatitis C patients without he... 2002 2026 2010 2018 2002 250 500 750
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.

  1. Identification of chronic hepatitis C patients without hepatic fibrosis by a simple predictive model
    2002 886 citations Xavier Forns, Sergi Ampurdanés et al. Hepatology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Sergi Ampurdanés Spain 18 1.5k 1.5k 164 118 97 27 1.8k
Ming‐Yuh Hsieh Taiwan 25 1.9k 1.3× 1.8k 1.2× 206 1.3× 145 1.2× 75 0.8× 72 2.2k
Shinn‐Cherng Chen Taiwan 25 1.9k 1.2× 1.8k 1.2× 174 1.1× 123 1.0× 62 0.6× 117 2.2k
Kentaro Yoshioka Japan 27 1.7k 1.2× 1.7k 1.1× 204 1.2× 150 1.3× 49 0.5× 89 2.3k
Alexandra L. Gibas United States 9 1.9k 1.3× 1.9k 1.3× 350 2.1× 194 1.6× 36 0.4× 12 2.3k
M.P. Manns Germany 15 1.7k 1.1× 1.4k 1.0× 201 1.2× 97 0.8× 42 0.4× 47 1.9k
F. Tremolada Italy 19 1.6k 1.1× 1.6k 1.1× 89 0.5× 115 1.0× 36 0.4× 43 1.8k
S. Brillanti Italy 21 1.9k 1.2× 1.7k 1.1× 186 1.1× 101 0.9× 33 0.3× 51 2.2k
Michiko Shindo Japan 24 2.1k 1.4× 1.9k 1.3× 390 2.4× 152 1.3× 49 0.5× 64 2.4k
G Teuber Germany 25 1.5k 1.0× 1.3k 0.9× 171 1.0× 204 1.7× 21 0.2× 108 1.7k
Wen‐Yu Chang Taiwan 20 1.1k 0.7× 1.0k 0.7× 81 0.5× 129 1.1× 48 0.5× 48 1.4k

Countries citing papers authored by Sergi Ampurdanés

Since Specialization
Citations

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

Fields of papers citing papers by Sergi Ampurdanés

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Sergi Ampurdanés

This figure shows the co-authorship network connecting the top 25 collaborators of Sergi Ampurdanés. A scholar is included among the top collaborators of Sergi Ampurdanés 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 Sergi Ampurdanés. Sergi Ampurdanés is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Bruguera, Miguel, et al.. (2004). Utilización de las medicinas alternativas y complementarias por los pacientes con hepatitis C crónica. Medicina Clínica. 122(9). 334–335. 9 indexed citations
2.
Forns, Xavier, Sergi Ampurdanés, Josep M. Llovet, et al.. (2002). Identification of chronic hepatitis C patients without hepatic fibrosis by a simple predictive model. Hepatology. 36(4). 986–992. 886 indexed citations breakdown →
3.
Giménez‐Barcons, Mireia, Sandra Franco, Yanette Suárez, et al.. (2001). High Amino Acid Variability Within the Ns5a of Hepatitis C Virus (Hcv) Is Associated With Hepatocellular Carcinoma in Patients With Hcv–1B-Related Cirrhosis. Hepatology. 34(1). 158–167. 41 indexed citations
4.
Recasens, Mónica, et al.. (2001). Abrupt onset of diabetes during interferon‐alpha therapy in patients with chronic hepatitis C. Diabetic Medicine. 18(9). 764–767. 22 indexed citations
5.
Forns, Xavier, Sergi Ampurdanés, J.M. Sánchez‐Tapias, et al.. (2001). Long-term follow-up of chronic hepatitis C in patients diagnosed at a tertiary-care center. Journal of Hepatology. 35(2). 265–271. 51 indexed citations
6.
Puig‐Basagoiti, Francesc, Juan‐Carlos Sáiz, Xavier Forns, et al.. (2001). Influence of the genetic heterogeneity of the ISDR and PePHD regions of hepatitis C virus on the response to interferon therapy in chronic hepatitis C. Journal of Medical Virology. 65(1). 35–44. 27 indexed citations
7.
Bruguera, Miquel, et al.. (2000). Progresión de la fibrosis hepática en la hepatitis C crónica. Gastroenterología y Hepatología. 23(1). 1–6. 4 indexed citations
8.
Guilera, M., Xavier Forns, Xavier Torras, et al.. (2000). Pre-treatment with prednisolone does not improve the efficacy of subsequent alpha interferon therapy in chronic hepatitis C. Journal of Hepatology. 33(1). 135–141. 13 indexed citations
9.
Giménez‐Barcons, Mireia, Alberto Sánchez‐Fueyo, Sergi Ampurdanés, et al.. (2000). Genetic evolution of GB virus C/hepatitis G virus (GBV-C/HGV) under interferon pressure. Antiviral Research. 46(2). 157–170. 1 indexed citations
10.
López‐Labrador, F. Xavier, Sergi Ampurdanés, Mireia Giménez‐Barcons, et al.. (1999). Relationship of the Genomic Complexity of Hepatitis C Virus With Liver Disease Severity and Response to Interferon in Patients With Chronic Hcv Genotype 1B Interferon. Hepatology. 29(3). 897–903. 70 indexed citations
11.
Giménez‐Barcons, Mireia, Xavier Forns, Sergi Ampurdanés, et al.. (1999). Infection with a novel human DNA virus (TTV) has no pathogenic significance in patients with liver diseases. Journal of Hepatology. 30(6). 1028–1034. 59 indexed citations
12.
Sáiz, Juan‐Carlos, F. Xavier López‐Labrador, Sergi Ampurdanés, et al.. (1998). The Prognostic Relevance of the Nonstructural 5A Gene Interferon Sensitivity Determining Region Is Different in Infections with Genotype 1b and 3a Isolates of Hepatitis C Virus. The Journal of Infectious Diseases. 177(4). 839–847. 95 indexed citations
13.
Sáiz, Juan‐Carlos, Sergi Ampurdanés, Eva María Olmedo Moreno, et al.. (1997). Hepatitis G virus infection in chronic hepatitis C: frequency, features and response to interferon therapy. Journal of Hepatology. 26(4). 787–793. 46 indexed citations
14.
López‐Labrador, F. Xavier, Sergi Ampurdanés, Xavier Forns, et al.. (1997). Hepatitis C virus (HCV) genotypes in Spanish patients with HCV infection: relationship between HCV genotype 1b, cirrhosis and hepatocellular carcinoma. Journal of Hepatology. 27(6). 959–965. 108 indexed citations
15.
Forns, Xavier, Patricia Fernández‐Llama, M. Pons�, et al.. (1997). Incidence and risk factors of hepatitis C virus infection in a haemodialysis unit. Nephrology Dialysis Transplantation. 12(4). 736–740. 45 indexed citations
16.
Forns, Xavier, Patricia Fernández‐Llama, Josep Costa, et al.. (1997). Hepatitis G virus infection in a haemodialysis unit: prevalence and clinical implications. Nephrology Dialysis Transplantation. 12(5). 956–960. 35 indexed citations
17.
Sáiz, Juan‐Carlos, Antoni Mas, Eva María Olmedo Moreno, et al.. (1997). Hepatitis G virus infection in fulminant hepatic failure. Gut. 41(5). 696–699. 18 indexed citations
18.
Ampurdanés, Sergi, Eva María Olmedo Moreno, Xavier Forns, et al.. (1996). Permanent response to alpha-interferon therapy in chronic hepatitis C is preceded by rapid clearance of HCV-RNA from serum. Journal of Hepatology. 25(6). 827–832. 36 indexed citations
19.
Forns, Xavier, F. Xavier López‐Labrador, Sergi Ampurdanés, et al.. (1996). Comparative study of three methods for genotyping hepatitis C virus strains in samples from Spanish patients. Journal of Clinical Microbiology. 34(10). 2516–2521. 53 indexed citations
20.
Font, Josep, Ricard Cervera, Alfonso López‐Soto, et al.. (1989). Anticardiolipin antibodies in patients with autoimmune diseases: Isotype distribution and clinical associations. Clinical Rheumatology. 8(4). 475–483. 43 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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