Manuel Orellana

1.9k total citations · 1 hit paper
15 papers, 1.5k citations indexed

About

Manuel Orellana is a scholar working on Surgery, Epidemiology and Parasitology. According to data from OpenAlex, Manuel Orellana has authored 15 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Surgery, 6 papers in Epidemiology and 6 papers in Parasitology. Recurrent topics in Manuel Orellana's work include Toxoplasma gondii Research Studies (6 papers), Herpesvirus Infections and Treatments (5 papers) and Diverticular Disease and Complications (3 papers). Manuel Orellana is often cited by papers focused on Toxoplasma gondii Research Studies (6 papers), Herpesvirus Infections and Treatments (5 papers) and Diverticular Disease and Complications (3 papers). Manuel Orellana collaborates with scholars based in United States, Japan and Chile. Manuel Orellana's co-authors include Jack S. Remington, Yasuhiro Suzuki, Robert D. Schreiber, Frances K. Conley, Kensuke Joh, Benjamin J. Luft, Nathan Clumeck, John M. Leedom, Dennis Israelski and Brian Dannemann and has published in prestigious journals such as Science, Annals of Internal Medicine and PLoS ONE.

In The Last Decade

Manuel Orellana

12 papers receiving 1.5k 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.

Interferon-γ: the Major Mediator of Resistance Against Toxoplasma gondii

1988 968 citations Yasuhiro Suzuki, Manuel Orellana et al. Science profile →

Peers

Manuel Orellana

PARAS

EPIDE

IMMUN

MB

VIROL

Hiroyuki Saiga Japan

Bráulia Costa Caetano Brazil

Niclas Hitziger Sweden

Shiguang Huang China

Daniel S. Korbel United Kingdom

Kiran Gajurel United States

Ji-Long Shen China

Dae‐Whan Shin South Korea

Alexandre V. Machado Brazil

Naganori Kamiyama Japan

Hiroyuki Saiga Japan

Manuel Orellana

402 ×0.3

PARAS

495 ×0.5

EPIDE

489 ×1.4

IMMUN

387 ×2.3

MB

39 ×0.3

VIROL

Citations per year, relative to Manuel Orellana Manuel Orellana (= 1×) peers Hiroyuki Saiga

Countries citing papers authored by Manuel Orellana

Since Specialization

Citations

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

Fields of papers citing papers by Manuel Orellana

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Manuel Orellana

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

All Works

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15 of 15 papers shown

1.

Orellana, Manuel, Leticia Gutierrez, Juan Pablo Cruz, et al.. (2025). Radiologically isolated syndrome: A 6-year follow-up study in Chile. Multiple Sclerosis and Related Disorders. 97. 106389–106389.

2.

Najafali, Daniel, Manuel Orellana, Sameer A. Patel, et al.. (2025). Artificial Intelligence Augmentation: Performance of GPT-4 and GPT-3.5 on the Plastic Surgery In-service Examination. Plastic & Reconstructive Surgery Global Open. 13(4). e6645–e6645. 2 indexed citations

3.

Orellana, Manuel, et al.. (2023). Engaging primary care physicians is critical in the screening and diagnosis of colorectal cancer at safety-net hospital systems. Surgery Open Science. 17. 6–10. 2 indexed citations

4.

Orellana, Manuel, et al.. (2023). The use of surgical intervention for lower gastrointestinal bleeding and its association with clinical outcomes and resource use. Surgery. 173(6). 1346–1351. 1 indexed citations

5.

Sakowitz, Sara, et al.. (2023). Decreasing rates of colectomy for benign neoplasms: A nationwide analysis. PLoS ONE. 18(10). e0293389–e0293389.

6.

Chervu, Nikhil, Sara Sakowitz, Arjun Verma, et al.. (2023). Effect of surgical timing on outcomes after cholecystectomy for mild gallstone pancreatitis. Surgery. 174(3). 660–665. 9 indexed citations

7.

Chervu, Nikhil, et al.. (2023). Clinical and financial outcomes of hospitalizations for cardiac device infection during the COVID-19 pandemic in the US. PLoS ONE. 18(9). e0291774–e0291774. 1 indexed citations

8.

Verma, Arjun, Sara Sakowitz, Manuel Orellana, et al.. (2023). Association of hospital volume with conversion to open from minimally invasive colectomy in patients with diverticulitis: A national analysis. PLoS ONE. 18(4). e0284729–e0284729. 2 indexed citations

9.

Orellana, Manuel & Hanjoo Lee. (2022). Perianal Abscess Following Excisional Hemorrhoidectomy in an Immunocompetent Patient. Cureus. 14(11). e31292–e31292.

10.

Suzuki, Yasuhiro, Manuel Orellana, Serre-Yu Wong, Frances K. Conley, & Jack S. Remington. (1993). Susceptibility to chronic infection with Toxoplasma gondii does not correlate with susceptibility to acute infection in mice. Infection and Immunity. 61(6). 2284–2288. 72 indexed citations

11.

Dannemann, Brian, J. Allen McCutchan, Dennis Israelski, et al.. (1992). Treatment of Toxoplasmic Encephalitis in Patients with AIDS. Annals of Internal Medicine. 116(1). 33–43. 261 indexed citations

12.

Dannemann, Brian, J. A. McCutchan, Dennis Israelski, et al.. (1991). Treatment of acute toxoplasmosis with intravenous clindamycin. European Journal of Clinical Microbiology & Infectious Diseases. 10(3). 193–195. 10 indexed citations

13.

Orellana, Manuel, Yasuhiro Suzuki, Fernanda de Assis Araújo, & Jack S. Remington. (1991). Role of beta interferon in resistance to Toxoplasma gondii infection. Infection and Immunity. 59(9). 3287–3290. 46 indexed citations

14.

Suzuki, Yasuhiro, Kensuke Joh, Manuel Orellana, Frances K. Conley, & Jack S. Remington. (1991). A gene(s) within the H-2D region determines the development of toxoplasmic encephalitis in mice.. PubMed. 74(4). 732–9. 121 indexed citations

15.

Suzuki, Yasuhiro, Manuel Orellana, Robert D. Schreiber, & Jack S. Remington. (1988). Interferon-γ: the Major Mediator of Resistance Against Toxoplasma gondii. Science. 240(4851). 516–518. 968 indexed citations breakdown →

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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