Violet Kayamba

1.3k total citations · 1 hit paper
53 papers, 727 citations indexed

About

Violet Kayamba is a scholar working on Surgery, Oncology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Violet Kayamba has authored 53 papers receiving a total of 727 indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Surgery, 11 papers in Oncology and 10 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Violet Kayamba's work include Helicobacter pylori-related gastroenterology studies (18 papers), Gastrointestinal disorders and treatments (10 papers) and Eosinophilic Esophagitis (8 papers). Violet Kayamba is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (18 papers), Gastrointestinal disorders and treatments (10 papers) and Eosinophilic Esophagitis (8 papers). Violet Kayamba collaborates with scholars based in Zambia, United Kingdom and United States. Violet Kayamba's co-authors include Douglas C. Heimburger, Richard M. Peek, Shailja C. Shah, Paul Kelly, Kanekwa Zyambo, Akwi W. Asombang, Masharip Atadzhanov, Edford Sinkala, Aaron Shibemba and Victor Mudenda and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and PLoS ONE.

In The Last Decade

Violet Kayamba

47 papers receiving 713 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.

Cancer Control in Low- and Middle-Income Countries: Is It Time to Consider Screening?

2019 253 citations Violet Kayamba, Douglas C. Heimburger et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Violet Kayamba Zambia	14	259	237	120	96	86	53	727
Shane Killeen Ireland	16	244 0.9×	271 1.1×	218 1.8×	74 0.8×	58 0.7×	40	868
Samir Ahid Morocco	17	161 0.6×	132 0.6×	89 0.7×	69 0.7×	140 1.6×	91	695
Deepak Saini India	10	191 0.7×	66 0.3×	127 1.1×	42 0.4×	77 0.9×	24	520
Hamid Salehiniya Iran	17	346 1.3×	227 1.0×	189 1.6×	38 0.4×	182 2.1×	34	836
Stephen Marcella United States	13	177 0.7×	100 0.4×	122 1.0×	81 0.8×	169 2.0×	31	604
Hao Zi China	16	176 0.7×	116 0.5×	225 1.9×	45 0.5×	120 1.4×	35	884
Abhishek Shankar India	15	370 1.4×	54 0.2×	202 1.7×	72 0.8×	86 1.0×	67	838
Hafez Fakheri Iran	16	261 1.0×	490 2.1×	235 2.0×	33 0.3×	181 2.1×	61	951
Michaeł Nowicki United States	16	120 0.5×	176 0.7×	116 1.0×	41 0.4×	78 0.9×	60	695
Gamal Mohamed Saudi Arabia	18	109 0.4×	125 0.5×	58 0.5×	74 0.8×	145 1.7×	40	690

Countries citing papers authored by Violet Kayamba

Since Specialization

Citations

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

Fields of papers citing papers by Violet Kayamba

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Violet Kayamba

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

All Works

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20 of 20 papers shown

Kelly, Paul, et al.. (2025). Fasting Gastric Juice Melatonin Levels in Relation to Gastroduodenal Pathologies Among Zambian Patients: A Cross Sectional Study. Health Science Reports. 8(7). e71053–e71053.

Kayamba, Violet, et al.. (2024). Nationwide survey ofHelicobacter pyloriseropositivity and gastric atrophy in Zambia. Helicobacter. 29(3). e13096–e13096.

Setshedi, Mashiko, Stella Smith, J A Otegbayo, et al.. (2024). Helicobacter pylori Management in Africa: A Survey of Diagnostic, Treatment, and Related Resources. Helicobacter. 29(6). e13153–e13153. 2 indexed citations

Kayamba, Violet, et al.. (2024). Endoscopic diagnosis of gastric and oesophageal cancer in Lusaka, Zambia: a retrospective analysis. BMC Gastroenterology. 24(1). 122–122. 2 indexed citations

Munkombwe, Derick, et al.. (2024). Prevalence of Clarithromycin-Resistant <i>Helicobacter pylori</i> Strains in Zambia: A Sub-Saharan African Country. Digestive Diseases. 42(2). 154–160. 3 indexed citations

Smith, Stella, Christian Schulz, Rose Ugiagbe, et al.. (2024). <i>Helicobacter pylori</i> Diagnosis and Treatment in Africa: The First Lagos Consensus Statement of the African Helicobacter and Microbiota Study Group. Digestive Diseases. 42(3). 240–256. 6 indexed citations

Zyambo, Kanekwa, Phoebe Hodges, Kanta Chandwe, et al.. (2022). Selenium status in adults and children in Lusaka, Zambia. Heliyon. 8(6). e09782–e09782. 10 indexed citations

Kayamba, Violet, et al.. (2022). Initiatives to enhance medical subspecialist training in Zambia: A cross-sectional analysis. Medical Journal of Zambia. 49(1). 67–74.

Zyambo, Kanekwa, Paul Kelly, & Violet Kayamba. (2022). Evaluation of the association between gastric cancer and plasma selenium in Zambian adults: a case–control study. ecancermedicalscience. 16. 1351–1351. 1 indexed citations

10.

Hodges, Phoebe, Paul Kelly, & Violet Kayamba. (2021). Helicobacter pylori infection and hypochlorhydria in Zambian adults and children: A secondary data analysis. PLoS ONE. 16(8). e0256487–e0256487. 4 indexed citations

11.

Kayamba, Violet. (2021). Nutrition and upper gastrointestinal cancers: An overview of current understandings. Seminars in Cancer Biology. 83. 605–616. 12 indexed citations

12.

Kayamba, Violet & Paul Kelly. (2020). Estimated 24-hour urinary sodium excretion as a risk factor for oxidative stress in Zambian adults: A cross-sectional study. PLoS ONE. 15(11). e0242144–e0242144. 1 indexed citations

13.

Kayamba, Violet, et al.. (2020). Human epidermal growth factor receptor 2 overexpression in gastric and gastroesophageal junction adenocarcinoma in patients seen at the University Teaching Hospital, Lusaka, Zambia. African Health Sciences. 20(4). 1857–64. 2 indexed citations

14.

Kayamba, Violet. (2019). Oesophageal cancer hotspots in Africa. The Lancet. Gastroenterology & hepatology. 4(11). 818–820. 5 indexed citations

15.

Kvalsund, Michelle, Violet Kayamba, Paul Kelly, et al.. (2019). Is folate deficiency a common cause of distal symmetric polyneuropathy in Zambian clinics?. Journal of the Neurological Sciences. 409. 116583–116583. 1 indexed citations

16.

Chongwe, Gershom, Charles Michelo, Edford Sinkala, et al.. (2018). Mycobacterium avium lysate induces matrix metalloproteinase-1 in intestinal tissue and peripheral blood: Observations from selected hospital based Zambian adults. International Journal of Infectious Diseases. 71. 73–81. 2 indexed citations

17.

Kayamba, Violet, et al.. (2018). A seven-year retrospective review of colonoscopy records from a single centre in Zambia. Malawi Medical Journal. 30(1). 17–17. 13 indexed citations

18.

Kayamba, Violet, et al.. (2018). HIV related hypochlorhydria does not appear to respond to anti-retroviral therapy in Zambian adults: a case control study. Pan African Medical Journal. 31. 128–128. 6 indexed citations

19.

Kayamba, Violet, Aaron Shibemba, Kanekwa Zyambo, et al.. (2017). High prevalence of gastric intestinal metaplasia detected by confocal laser endomicroscopy in Zambian adults. PLoS ONE. 12(9). e0184272–e0184272. 7 indexed citations

20.

Asombang, Akwi W., Violet Kayamba, Graham A. Colditz, et al.. (2013). Gastric cancer in Zambian adults: a prospective case-control study that assessed dietary intake and antioxidant status by using urinary isoprostane excretion. American Journal of Clinical Nutrition. 97(5). 1029–1035. 17 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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