Roberto J. Groszmann

21.7k total citations · 4 hit papers
160 papers, 15.6k citations indexed

About

Roberto J. Groszmann is a scholar working on Hepatology, Epidemiology and Surgery. According to data from OpenAlex, Roberto J. Groszmann has authored 160 papers receiving a total of 15.6k indexed citations (citations by other indexed papers that have themselves been cited), including 142 papers in Hepatology, 94 papers in Epidemiology and 78 papers in Surgery. Recurrent topics in Roberto J. Groszmann's work include Liver Disease and Transplantation (141 papers), Liver Disease Diagnosis and Treatment (93 papers) and Organ Transplantation Techniques and Outcomes (55 papers). Roberto J. Groszmann is often cited by papers focused on Liver Disease and Transplantation (141 papers), Liver Disease Diagnosis and Treatment (93 papers) and Organ Transplantation Techniques and Outcomes (55 papers). Roberto J. Groszmann collaborates with scholars based in United States, Spain and United Kingdom. Roberto J. Groszmann's co-authors include Guadalupe García–Tsao, Jaime Bosch, Yasuko Iwakiri, Reiner Wiest, Harold O. Conn, Norman D. Grace, William C. Sessa, Daniel S. Matloff, Andrew K. Burroughs and Luis Colombato and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and Journal of Clinical Investigation.

In The Last Decade

Roberto J. Groszmann

159 papers receiving 15.1k citations

Hit Papers

align trajectories sort by overperformance

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.

Hepatic Venous Pressure Gradient Predicts Clinical Decompensation in Patients With Compensated Cirrhosis

2007 787 citations Cristina Ripoll, Roberto J. Groszmann et al. Gastroenterology profile →
Portal Pressure, Presence of Gastroesophageal Varices and Variceal Bleeding

1985 666 citations Guadalupe García–Tsao, Roberto J. Groszmann et al. Hepatology profile →
Beta-Blockers to Prevent Gastroesophageal Varices in Patients with Cirrhosis

2005 645 citations Roberto J. Groszmann, Guadalupe García–Tsao et al. profile →
Hemodynamic events in a prospective randomized trial of propranolol versus placebo in the prevention of a first variceal hemorrhage

1990 537 citations Roberto J. Groszmann, Jackie Bosch et al. Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Roberto J. Groszmann United States	69	13.1k	10.8k	7.0k	1.9k	964	160	15.6k
Didier Lebrec France	70	13.6k 1.0×	10.9k 1.0×	7.4k 1.1×	1.2k 0.7×	678 0.7×	411	18.4k
Han‐Chieh Lin Taiwan	53	7.6k 0.6×	6.6k 0.6×	3.7k 0.5×	806 0.4×	235 0.2×	456	11.7k
Jaume Bosch Spain	54	8.1k 0.6×	6.9k 0.6×	4.2k 0.6×	561 0.3×	306 0.3×	156	9.9k
Velimir A. Luketic United States	58	9.1k 0.7×	10.5k 1.0×	4.7k 0.7×	849 0.5×	177 0.2×	176	14.2k
Michael B. Fallon United States	58	7.6k 0.6×	4.5k 0.4×	6.2k 0.9×	627 0.3×	294 0.3×	232	11.5k
Giacomo Laffi Italy	52	6.8k 0.5×	6.0k 0.6×	2.5k 0.4×	489 0.3×	234 0.2×	195	9.9k
Jens H. Henriksen Denmark	49	5.6k 0.4×	4.6k 0.4×	3.0k 0.4×	749 0.4×	163 0.2×	271	8.8k
Antoine Hadengue Switzerland	52	6.1k 0.5×	5.1k 0.5×	4.0k 0.6×	364 0.2×	131 0.1×	227	9.3k
J Rodés Spain	44	5.1k 0.4×	4.2k 0.4×	2.2k 0.3×	429 0.2×	214 0.2×	187	6.9k
Manal F. Abdelmalek United States	64	5.8k 0.4×	13.3k 1.2×	2.4k 0.3×	2.3k 1.2×	356 0.4×	207	16.9k

Countries citing papers authored by Roberto J. Groszmann

Since Specialization

Citations

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

Fields of papers citing papers by Roberto J. Groszmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Roberto J. Groszmann. 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 Roberto J. Groszmann. The network helps show where Roberto J. Groszmann may publish in the future.

Co-authorship network of co-authors of Roberto J. Groszmann

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Groszmann, Roberto J.. (2010). Buenos Aires to New Haven: A Dream Trip. Hepatology. 52(1). 1–9. 4 indexed citations

Zipprich, Alexander, et al.. (2008). Nitric oxide and vascular remodeling modulate hepatic arterial vascular resistance in the isolated perfused cirrhotic rat liver. Journal of Hepatology. 49(5). 739–745. 15 indexed citations

Iwakiri, Yasuko & Roberto J. Groszmann. (2007). Vascular endothelial dysfunction in cirrhosis. Journal of Hepatology. 46(5). 927–934. 227 indexed citations

Ripoll, Cristina, Roberto J. Groszmann, Norman D. Grace, et al.. (2007). CLINICAL-LIVER, PANCREAS, AND BILIARY TRACT. 1 indexed citations

Groszmann, Roberto J., et al.. (2006). Measurement of Portal Pressure: When, How, and Why to Do It. Clinics in Liver Disease. 10(3). 499–512. 32 indexed citations

Wiest, Reiner & Roberto J. Groszmann. (2002). The paradox of nitric oxide in cirrhosis and portal hypertension: Too much, not enough. Hepatology. 35(2). 478–491. 339 indexed citations

Loureiro‐Silva, Mauricio R., et al.. (2002). Bioactivation of nitroglycerin and vasomotor response to nitric oxide are impaired in cirrhotic rat livers. Hepatology. 36(2). 381–385. 39 indexed citations

Shah, Vijay H., Murat Törüner, Gregory Cadelina, et al.. (1999). Impaired endothelial nitric oxide synthase activity associated with enhanced caveolin binding in experimental cirrhosis in the rat. Gastroenterology. 117(5). 1222–1228. 256 indexed citations

Wiest, Roland, Sriparna Das, Gregory Cadelina, et al.. (1999). Bacterial translocation in cirrhotic rats stimulates eNOS-derived NO production and impairs mesenteric vascular contractility. Journal of Clinical Investigation. 104(9). 1223–1233. 236 indexed citations

10.

Shah, Vijay H., Fadi Haddad, Guillermo García‐Cardeña, et al.. (1997). Liver sinusoidal endothelial cells are responsible for nitric oxide modulation of resistance in the hepatic sinusoids.. Journal of Clinical Investigation. 100(11). 2923–2930. 249 indexed citations

11.

García‐Estañ, Joaquín, Noemí M. Atuchá, & Roberto J. Groszmann. (1996). Renal response to methoxamine in portal hypertensive rats: role of prostaglandins and nitric oxide. Journal of Hepatology. 25(2). 206–211. 9 indexed citations

12.

Polio, John, et al.. (1993). Cardiovascular hyporesponsiveness to norepinephrine, propranolol and nitroglycerin in portal-hypertensive and aged rats. Hepatology. 18(1). 128–136. 5 indexed citations

13.

Sieber, Cornel & Roberto J. Groszmann. (1992). Nitric oxide mediates hyporeactivity to vasopressors in mesenteric vessels of portal hypertensive rats. Gastroenterology. 103(1). 235–239. 173 indexed citations

14.

Sabbà, Carlo, Giovanna Ferraioli, Paolo Buonamico, et al.. (1992). A Randomized study of propranolol on postprandial portal hyperemia in cirrhotic patients. Gastroenterology. 102(3). 1009–1016. 39 indexed citations

15.

Rodríguez-Pérez, Federico & Roberto J. Groszmann. (1992). PHARMACOLOGIC TREATMENT OF PORTAL HYPERTENSION. Gastroenterology Clinics of North America. 21(1). 15–40. 38 indexed citations

16.

Groszmann, Roberto J., Jackie Bosch, Norman D. Grace, et al.. (1990). Hemodynamic events in a prospective randomized trial of propranolol versus placebo in the prevention of a first variceal hemorrhage. Gastroenterology. 99(5). 1401–1407. 537 indexed citations breakdown →

17.

Groszmann, Roberto J., et al.. (1985). Effect of Selective Blockade of β2-Adrener gis Receptors on Portal and Systemic Hemodynamics in a Portal Hypertensive Rat Model. Gastroenterology. 88(4). 896–900. 83 indexed citations

18.

Groszmann, Roberto J., et al.. (1982). Measurement of the azygos venous blood flow as an index of variceal blood flow in cirrhosis with portal hypertension. Hepatology. 2(5). 707. 7 indexed citations

19.

Groszmann, Roberto J., et al.. (1978). Portal pressure reduction induced by partial mechanical obstruction of the superior mesenteric artery in the anesthetized dog.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 75(2). 187–92. 18 indexed citations

20.

Groszmann, Roberto J., et al.. (1978). Pharmacological vs. mechanical reduction in portal pressure: a comparative study.. Munich Personal RePEc Archive (Ludwig Maximilian University of Munich). 84(5). 679–85. 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.

Explore authors with similar magnitude of impact