Johann Pfeifer

2.3k total citations · 1 hit paper
20 papers, 1.6k citations indexed

About

Johann Pfeifer is a scholar working on Surgery, Rheumatology and Gastroenterology. According to data from OpenAlex, Johann Pfeifer has authored 20 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Surgery, 9 papers in Rheumatology and 4 papers in Gastroenterology. Recurrent topics in Johann Pfeifer's work include Pelvic floor disorders treatments (9 papers), Anorectal Disease Treatments and Outcomes (7 papers) and Gastrointestinal motility and disorders (4 papers). Johann Pfeifer is often cited by papers focused on Pelvic floor disorders treatments (9 papers), Anorectal Disease Treatments and Outcomes (7 papers) and Gastrointestinal motility and disorders (4 papers). Johann Pfeifer collaborates with scholars based in Austria, United States and France. Johann Pfeifer's co-authors include Steven D. Wexner, Feran Agachan, Petachia Reissman, Teng Chen, S. Uranüs, Georg Werkgartner, Heinz Bacher, W. Schweiger, Herwig Cerwenka and A. El-Shabrawi and has published in prestigious journals such as International Journal of Environmental Research and Public Health, The American Journal of Surgery and Diseases of the Colon & Rectum.

In The Last Decade

Johann Pfeifer

18 papers receiving 1.5k citations

Hit Papers

A constipation scoring system to simplify evaluation and ... 1996 2026 2006 2016 1996 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. A constipation scoring system to simplify evaluation and management of constipated patients
    1996 929 citations Feran Agachan, Teng Chen et al. Diseases of the Colon & Rectum profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Johann Pfeifer Austria 12 1.2k 852 580 230 86 20 1.6k
Feran Agachan United States 17 1.6k 1.4× 949 1.1× 570 1.0× 512 2.2× 91 1.1× 19 2.0k
T C Donnelly United Kingdom 18 1.2k 1.0× 1.0k 1.2× 433 0.7× 171 0.7× 34 0.4× 19 1.4k
M G Read United Kingdom 12 1.1k 1.0× 905 1.1× 374 0.6× 149 0.6× 55 0.6× 12 1.5k
C Faverdin France 9 591 0.5× 259 0.3× 482 0.8× 61 0.3× 74 0.9× 17 840
Henriette Heinrich Switzerland 17 891 0.8× 342 0.4× 653 1.1× 135 0.6× 36 0.4× 66 1.2k
D Pellerin France 14 775 0.7× 203 0.2× 470 0.8× 57 0.2× 80 0.9× 76 1.1k
Vicente Sánchiz Spain 15 719 0.6× 265 0.3× 303 0.5× 183 0.8× 150 1.7× 28 1.1k
Wael Khafagy Egypt 15 482 0.4× 228 0.3× 43 0.1× 246 1.1× 69 0.8× 45 759
Yew Woon Chia Singapore 15 319 0.3× 218 0.3× 112 0.2× 82 0.4× 17 0.2× 37 651
Henri Damon France 18 786 0.7× 716 0.8× 258 0.4× 66 0.3× 21 0.2× 54 966

Countries citing papers authored by Johann Pfeifer

Since Specialization
Citations

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

Fields of papers citing papers by Johann Pfeifer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Johann Pfeifer

This figure shows the co-authorship network connecting the top 25 collaborators of Johann Pfeifer. A scholar is included among the top collaborators of Johann Pfeifer 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 Johann Pfeifer. Johann Pfeifer 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.
Kamolz, Lars‐Peter, et al.. (2022). Surgical treatment of deep-lying ano-/rectovaginal fistulas using a de-epithelialized “Singapore flap” (pudendal thigh flap). European surgery. Supplement/European surgery. 54(3). 136–143.
2.
Serra, Jordi, Daniel Pohl, Fernando Azpiroz, et al.. (2019). European society of neurogastroenterology and motility guidelines on functional constipation in adults. Neurogastroenterology & Motility. 32(2). e13762–e13762. 130 indexed citations
3.
Frudinger, Andrea, et al.. (2018). Skeletal muscle-derived cell implantation for the treatment of sphincter-related faecal incontinence. Stem Cell Research & Therapy. 9(1). 233–233. 27 indexed citations
4.
Heidinger, Martin, et al.. (2018). Analysis of Social Determinants of Health and Disability Scores in Leprosy-Affected Persons in Salem, Tamil Nadu, India. International Journal of Environmental Research and Public Health. 15(12). 2769–2769. 12 indexed citations
5.
Aigner, Felix, Friedrich Conrad, Johann Pfeifer, et al.. (2012). Konsensusbericht Hämorrhoidalleiden. Wiener klinische Wochenschrift. 124(5-6). 207–219. 2 indexed citations
6.
Uranues, Selman, et al.. (2006). Laparoscopic resection of the pancreatic tail with splenic preservation. The American Journal of Surgery. 192(2). 257–261. 28 indexed citations
7.
Pfeifer, Johann. (2006). Surgery for constipation. Acta chirurgica iugoslavica. 53(2). 71–79. 4 indexed citations
8.
Pfeifer, Johann, et al.. (2004). Extraadrenales abdominelles Paraganglion. coloproctology. 26(2). 94–97. 1 indexed citations
9.
Uranüs, S. & Johann Pfeifer. (2001). Nonoperative Treatment of Blunt Splenic Injury. World Journal of Surgery. 25(11). 1405–1407. 46 indexed citations
10.
Bacher, Heinz, Herwig Cerwenka, A. El-Shabrawi, et al.. (2000). Lokale Anwendung von Nitroglycerin-Salbe zur Behandlung von Analfissuren. Eine Alternative zur chirurgischen Therapie?. coloproctology. 22(1). 35–38. 1 indexed citations
11.
Uranüs, S., et al.. (1998). Laparoscopic Cholecystectomy Using 2-mm Instruments. Journal of Laparoendoscopic & Advanced Surgical Techniques. 8(5). 255–259. 6 indexed citations
12.
Pfeifer, Johann, Tiong-Ann Teoh, Virgilio D. Salanga, Feran Agachan, & Steven D. Wexner. (1998). Comparative study between intra-anal sponge and needle electrode for electromyographic evaluation of constipated patients. Diseases of the Colon & Rectum. 41(9). 1153–1157. 17 indexed citations
13.
Bacher, Heinz, Georg Werkgartner, Herwig Cerwenka, et al.. (1997). Local nitroglycerin for treatment of anal fissures. Diseases of the Colon & Rectum. 40(7). 840–845. 89 indexed citations
14.
Agachan, Feran, et al.. (1997). Comparison of Three Perineal Procedures for the Treatment of Rectal Prolapse. Southern Medical Journal. 90(9). 925–932. 61 indexed citations
15.
Pfeifer, Johann, Virgilio D. Salanga, Feran Agachan, Eric G. Weiss, & Steven D. Wexner. (1997). Variation in pudendal nerve terminal motor latency according to disease. Diseases of the Colon & Rectum. 40(1). 79–83. 30 indexed citations
16.
Uranüs, S., Hans‐Jörg Mischinger, Johann Pfeifer, et al.. (1996). Hemostatic Methods for the Management of Spleen and Liver Injuries. World Journal of Surgery. 20(8). 1107–1112. 43 indexed citations
17.
Agachan, Feran, Johann Pfeifer, & Steven D. Wexner. (1996). Defecography and proctography. Diseases of the Colon & Rectum. 39(8). 899–905. 113 indexed citations
18.
Agachan, Feran, Teng Chen, Johann Pfeifer, Petachia Reissman, & Steven D. Wexner. (1996). A constipation scoring system to simplify evaluation and management of constipated patients. Diseases of the Colon & Rectum. 39(6). 681–685. 929 indexed citations breakdown →
19.
Pfeifer, Johann, Petachia Reissman, & Steven D. Wexner. (1995). Ergotamine-induced complex rectovaginal fistula. Diseases of the Colon & Rectum. 38(11). 1224–1226. 9 indexed citations
20.
Pfeifer, Johann, et al.. (1995). ARE INTERPRETATIONS OF CINEDEFECOGRAMS RELIABLE AND REPRODUCIBLE?. Southern Medical Journal. 88. S23–S23. 2 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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