Nicolas V. Christou

10.9k total citations · 3 hit papers
131 papers, 8.0k citations indexed

About

Nicolas V. Christou is a scholar working on Surgery, Epidemiology and Physiology. According to data from OpenAlex, Nicolas V. Christou has authored 131 papers receiving a total of 8.0k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Surgery, 26 papers in Epidemiology and 25 papers in Physiology. Recurrent topics in Nicolas V. Christou's work include Bariatric Surgery and Outcomes (28 papers), Sepsis Diagnosis and Treatment (22 papers) and Immune Response and Inflammation (13 papers). Nicolas V. Christou is often cited by papers focused on Bariatric Surgery and Outcomes (28 papers), Sepsis Diagnosis and Treatment (22 papers) and Immune Response and Inflammation (13 papers). Nicolas V. Christou collaborates with scholars based in Canada, United States and Greece. Nicolas V. Christou's co-authors include Lloyd D. MacLean, Charles L. Sprung, Gordon R. Bernard, John C. Marshall, William J. Sibbald, Jonathan L. Meakins, John S. Sampalis, Moïshe Liberman, A. Peter H. McLean and John C. Marshall and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Journal of Immunology and PLoS ONE.

In The Last Decade

Nicolas V. Christou

130 papers receiving 7.6k citations

Hit Papers

Multiple Organ Dysfunction Score 1995 2026 2005 2015 1995 2004 2006 500 1000 1.5k
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. Multiple Organ Dysfunction Score
    1995 1.9k citations John C. Marshall, Nicolas V. Christou et al. Critical Care Medicine profile →
  2. Surgery Decreases Long-term Mortality, Morbidity, and Health Care Use in Morbidly Obese Patients
    2004 947 citations Nicolas V. Christou, John S. Sampalis et al. Annals of Surgery profile →
  3. Weight Gain After Short- and Long-Limb Gastric Bypass in Patients Followed for Longer Than 10 Years
    2006 512 citations Nicolas V. Christou, Lloyd D. MacLean et al. Annals of Surgery profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Nicolas V. Christou Canada 39 3.9k 1.9k 1.4k 1.3k 966 131 8.0k
Marcel G. W. Dijkgraaf Netherlands 53 4.8k 1.2× 3.0k 1.6× 1.0k 0.7× 1.7k 1.3× 1.1k 1.1× 297 12.9k
John S. Sampalis Canada 46 3.4k 0.9× 806 0.4× 1.3k 0.9× 1.2k 0.9× 2.0k 2.0× 218 8.8k
Suzanne Havstad United States 38 3.6k 0.9× 5.2k 2.8× 1.6k 1.1× 1.9k 1.5× 1.7k 1.8× 156 11.9k
Richard Holubkov United States 65 3.8k 1.0× 2.1k 1.1× 915 0.6× 1.8k 1.3× 1.7k 1.8× 286 13.4k
Martijn Poeze Netherlands 42 2.6k 0.7× 1.2k 0.6× 1.5k 1.1× 841 0.6× 514 0.5× 220 6.3k
Reimar W. Thomsen Denmark 56 2.8k 0.7× 3.2k 1.7× 1.3k 0.9× 1.9k 1.5× 513 0.5× 330 11.7k
Kenneth A. Kudsk United States 59 5.3k 1.4× 1.2k 0.7× 3.1k 2.2× 3.4k 2.6× 1.8k 1.8× 246 12.5k
George C. Velmahos United States 53 4.3k 1.1× 1.0k 0.5× 510 0.4× 1.7k 1.3× 3.9k 4.1× 337 10.1k
Robert N. Cooney United States 37 1.4k 0.3× 916 0.5× 1.6k 1.1× 740 0.6× 300 0.3× 117 5.3k
Bernard E. Kreger United States 32 1.1k 0.3× 1.4k 0.8× 1.1k 0.8× 469 0.4× 178 0.2× 50 7.0k

Countries citing papers authored by Nicolas V. Christou

Since Specialization
Citations

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

Fields of papers citing papers by Nicolas V. Christou

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nicolas V. Christou. 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 Nicolas V. Christou. The network helps show where Nicolas V. Christou may publish in the future.

Co-authorship network of co-authors of Nicolas V. Christou

This figure shows the co-authorship network connecting the top 25 collaborators of Nicolas V. Christou. A scholar is included among the top collaborators of Nicolas V. Christou 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 Nicolas V. Christou. Nicolas V. Christou 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.
2.
Carver, Tamara E., Olivier Court, Nicolas V. Christou, Ryan E.R. Reid, & Ross E. Andersen. (2014). Precision of the iDXA for Visceral Adipose Tissue Measurement in Severely Obese Patients. Medicine & Science in Sports & Exercise. 46(7). 1462–1465. 17 indexed citations
3.
4.
Christou, Nicolas V.. (2011). Access to Bariatric (Metabolic) Surgery in Canada. Canadian Journal of Diabetes. 35(2). 123–128. 9 indexed citations
5.
Christou, Nicolas V. & Evangelos Efthimiou. (2009). Five-year outcomes of laparoscopic adjustable gastric banding and laparoscopic Roux-en-Y gastric bypass in a comprehensive bariatric surgery program in Canada.. PubMed. 52(6). E249–58. 50 indexed citations
6.
Christou, Nicolas V.. (2009). Impact of Obesity and Bariatric Surgery on Survival. World Journal of Surgery. 33(10). 2022–2027. 38 indexed citations
7.
Zavorsky, Gerald S., Nicolas V. Christou, Do Jun Kim, Franco Carli, & Nancy E. Mayo. (2008). Preoperative Gender Differences in Pulmonary Gas Exchange in Morbidly Obese Subjects. Obesity Surgery. 18(12). 1587–1598. 18 indexed citations
8.
Zavorsky, Gerald S., et al.. (2008). Alveolar-Membrane Diffusing Capacity Improves in the Morbidly Obese after Bariatric Surgery. Obesity Surgery. 18(3). 256–263. 26 indexed citations
9.
Christou, Nicolas V., et al.. (2006). Effect of Laparoscopic versus Open Gastric Bypass Surgery on Postoperative Pain and Bowel Function. Obesity Surgery. 16(4). 437–442. 24 indexed citations
10.
Christou, Nicolas V., et al.. (2006). Weight Gain After Short- and Long-Limb Gastric Bypass in Patients Followed for Longer Than 10 Years. Annals of Surgery. 244(5). 734–740. 512 indexed citations breakdown →
11.
Sampalis, John S., et al.. (2004). The Impact of Weight Reduction Surgery on Health-Care Costs in Morbidly Obese Patients. Obesity Surgery. 14(7). 939–947. 158 indexed citations
12.
Ferri, Lorenzo, José L. Pascual, Andrew Seely, Betty Giannias, & Nicolas V. Christou. (2004). Intra-abdominal sepsis attenuates local inflammation-mediated increases in microvascular permeability at remote sites in mice in vivo. Surgery. 135(2). 187–195. 8 indexed citations
13.
Backman, Steven B., et al.. (2003). Patient controllediv analgesia is an acceptable pain management strategy in morbidly obese patients undergoing gastric bypass surgery. A retrospective comparison with epidural analgesia. Canadian Journal of Anesthesia/Journal canadien d anesthésie. 50(7). 672–678. 27 indexed citations
14.
Christou, Nicolas V., et al.. (2002). Pilot Study Examining the Frequency of Several Gene Polymorphisms in a Morbidly Obese Population. Obesity Surgery. 12(6). 759–764. 23 indexed citations
15.
Pascual, José L., Lorenzo Ferri, Prosanto Chaudhury, et al.. (2001). Hemorrhagic Shock Resuscitation with a Low Molecular Weight Starch Reduces Neutrophil-Endothelial Interactions and Vessel Leakage in vivo. Surgical Infections. 2(4). 275–288. 14 indexed citations
16.
17.
Marshall, John C., et al.. (1996). Multiple Organ Dysfunction Score. Critical Care Medicine. 24(7). 1272–1272. 3 indexed citations
18.
Marshall, John C., et al.. (1995). Multiple Organ Dysfunction Score. Critical Care Medicine. 23(10). 1638–1652. 1909 indexed citations breakdown →
19.
MacPhee, Martin J., et al.. (1993). Cells Recovered from Human DTH Reactions: Phenotypic and Functional Analysis. Cellular Immunology. 151(1). 80–96. 2 indexed citations
20.
Christou, Nicolas V. & Jean Morin. (1986). Host defense mechanisms in elective and emergency vascular surgery: Predicting septic-related mortality. Journal of Vascular Surgery. 3(2). 338–342. 10 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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