Karanbir Brar

525 total citations · 1 hit paper
14 papers, 353 citations indexed

About

Karanbir Brar is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Genetics. According to data from OpenAlex, Karanbir Brar has authored 14 papers receiving a total of 353 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Surgery, 6 papers in Pulmonary and Respiratory Medicine and 3 papers in Genetics. Recurrent topics in Karanbir Brar's work include Brain Metastases and Treatment (4 papers), Esophageal and GI Pathology (3 papers) and Glioma Diagnosis and Treatment (3 papers). Karanbir Brar is often cited by papers focused on Brain Metastases and Treatment (4 papers), Esophageal and GI Pathology (3 papers) and Glioma Diagnosis and Treatment (3 papers). Karanbir Brar collaborates with scholars based in Canada, United States and Singapore. Karanbir Brar's co-authors include Yung Lee, Aristithes G. Doumouras, Dennis Hong, James Yu, Laura Banfield, Scott Gmora, Mehran Anvari, Alireza Mansouri, Yosef Ellenbogen and Fábio Ynoe de Moraes and has published in prestigious journals such as Neurosurgery, Clinical Gastroenterology and Hepatology and Surgical Endoscopy.

In The Last Decade

Karanbir Brar

12 papers receiving 348 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.

Complete Resolution of Nonalcoholic Fatty Liver Disease After Bariatric Surgery: A Systematic Review and Meta-analysis

2018 255 citations Yung Lee, Aristithes G. Doumouras et al. Clinical Gastroenterology and Hepatology profile →

Peers

Karanbir Brar

EPIDE

SURGE

EDM

PHYSI

HEPAT

Miren Aizpurua United Kingdom

Halter Sa United States

Jun Xiao China

Sara Chalifoux United States

Vinik Ai United States

P Gozzo Italy

Anne Kehely United Kingdom

Amin Xu China

Eva Martin‐Solana Spain

Jukka Koffert Finland

Miren Aizpurua United Kingdom

Karanbir Brar

233 ×1.0

EPIDE

32 ×0.2

SURGE

137 ×1.1

EDM

20 ×0.3

PHYSI

85 ×1.4

HEPAT

Citations per year, relative to Karanbir Brar Karanbir Brar (= 1×) peers Miren Aizpurua

Countries citing papers authored by Karanbir Brar

Since Specialization

Citations

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

Fields of papers citing papers by Karanbir Brar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karanbir Brar

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

All Works

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14 of 14 papers shown

Brar, Karanbir, Ranjan Sudan, Dana Portenier, et al.. (2025). Postoperative outcomes following revision or conversion surgery after primary sleeve gastrectomy: an analysis of the MBSAQIP database. Surgery for Obesity and Related Diseases. 21(8). 956–964.

Brar, Karanbir, et al.. (2025). Long-term outcomes after per-oral endoscopic myotomy versus laparoscopic Heller myotomy in the treatment of achalasia: a systematic review and meta-analysis. Surgical Endoscopy. 39(9). 5985–5994.

Lee, Yung, Karanbir Brar, Tyler McKechnie, et al.. (2024). Performance of artificial intelligence in bariatric surgery: comparative analysis of ChatGPT-4, Bing, and Bard in the American Society for Metabolic and Bariatric Surgery textbook of bariatric surgery questions. Surgery for Obesity and Related Diseases. 20(7). 609–613. 19 indexed citations

Mithani, Karim, Karanbir Brar, Han Yan, et al.. (2022). Brainstem Associated Somatosensory Evoked Potentials and Response to Vagus Nerve Stimulation: An Investigation of the Vagus Afferent Network. Frontiers in Neurology. 12. 768539–768539. 1 indexed citations

Brar, Karanbir, Shervin Taslimi, Yosef Ellenbogen, et al.. (2021). Comparative Efficacy of Treatments for Brain Metastases from Non–Small Cell Lung Cancer without an EGFR-Mutation/ALK-Rearrangement: A Systematic Review and Network Meta-Analysis. World Neurosurgery. 158. e87–e102. 5 indexed citations

Taslimi, Shervin, Karanbir Brar, Yosef Ellenbogen, et al.. (2021). Comparative Efficacy of Systemic Agents for Brain Metastases From Non-Small-Cell Lung Cancer With an EGFR Mutation/ALK Rearrangement: A Systematic Review and Network Meta-Analysis. Frontiers in Oncology. 11. 739765–739765. 9 indexed citations

Warsi, Nebras M., Karanbir Brar, Fábio Ynoe de Moraes, et al.. (2020). The Role of Stereotactic Radiosurgery in the Management of Brain Metastases From a Health-Economic Perspective: A Systematic Review. Neurosurgery. 87(3). 484–497. 7 indexed citations

Brar, Karanbir, Laureen D. Hachem, Jetan H. Badhiwala, et al.. (2020). Management of Diffuse Low-Grade Glioma: The Renaissance of Robust Evidence. Frontiers in Oncology. 10. 575658–575658. 4 indexed citations

Ellenbogen, Yosef, Karanbir Brar, Kaiyun Yang, Yung Lee, & Olufemi Ajani. (2020). Comparison of endoscopic third ventriculostomy with or without choroid plexus cauterization in pediatric hydrocephalus: a systematic review and meta-analysis. Journal of Neurosurgery Pediatrics. 26(4). 371–378. 12 indexed citations

10.

Lee, Yung, Karanbir Brar, Aristithes G. Doumouras, & Dennis Hong. (2019). Peroral endoscopic myotomy (POEM) for the treatment of pediatric achalasia: a systematic review and meta-analysis. Surgical Endoscopy. 33(6). 1710–1720. 33 indexed citations

11.

Mansouri, Alireza, Karanbir Brar, & Michael D. Cusimano. (2019). Considerations for a surgical RCT for diffuse low-grade glioma: a survey. Neuro-Oncology Practice. 7(3). 338–343. 2 indexed citations

12.

Lee, Yung, Michał Pędziwiatr, Piotr Major, et al.. (2018). The effect of omentectomy added to bariatric surgery on metabolic outcomes: a systematic review and meta-analysis of randomized controlled trials. Surgery for Obesity and Related Diseases. 14(11). 1766–1782. 4 indexed citations

13.

Lee, Yung, Aristithes G. Doumouras, James Yu, et al.. (2018). Complete Resolution of Nonalcoholic Fatty Liver Disease After Bariatric Surgery: A Systematic Review and Meta-analysis. Clinical Gastroenterology and Hepatology. 17(6). 1040–1060.e11. 255 indexed citations breakdown →

14.

Singh, Gaurav, et al.. (2016). Lingual Thyroid Causing Dysphagia: A Case Report and Review of Literature. Journal of Cytology & Histology. 7(3). 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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