Derek R. MacFadden

7.0k citations

110 papers · 4.0k indexed · 5 hit papers · h-index 26

Impact in

Applied Microbiology and Biotechnology top 0.05%
- Antibiotic Use and Resistance
Molecular Medicine top 0.5%
- Antibiotic Resistance in Bacteria

Papers in

Applied Microbiology and Biotechnology 42
- Antibiotic Use and Resistance 42
Clinical Biochemistry 35
- Bacterial Identification and Susceptibility Testing 35

Co-authors: Nick Daneman Bradley J. Langford Valerie Leung Miranda So Sumit Raybardhan Duncan Westwood John S. Brownstein Sarah F. McGough
Journals: Canadian Medical Association Journal (13 papers)Clinical Infectious Diseases (12 papers)Clinical Microbiology and Infection (12 papers)Open Forum Infectious Diseases (7 papers)CMAJ Open (3 papers)
Partner nations: Canada United States Australia

In The Last Decade

Derek R. MacFadden

103 papers receiving 3.9k citations

Hit Papers

5 papers align trajectories log scale

Antimicrobial resistance in patients with COVID-19: a systematic review and meta-analysis 2023 · 91 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2023 The Lancet Microbe
2022 Clinical Microbiology and Infection
2021 Clinical Microbiology and Infection
2020 Clinical Microbiology and Infection
2018 Nature Climate Change

Peers

Countries citing papers authored by Derek R. MacFadden

Since Specialization

Citations

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

Fields of papers citing papers by Derek R. MacFadden

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Derek R. MacFadden. 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 Derek R. MacFadden. The network helps show where Derek R. MacFadden may publish in the future.

Co-authors

The 25 scholars most cited alongside Derek R. MacFadden, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Derek R. MacFadden Line = papers co-authored together Derek R. MacFadden links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	The Burden of Antimicrobial Resistant Bacteremia in Ontario: A Population-Wide Analysis of Attributable Mortality From 110 Pathogen-Antibiotic Combinations Clinical Infectious Diseases ·Kevin A. Brown, Daniel J. Fridman, Gary Garber, Jennie Johnstone, Bradley J. Langford, Valerie Leung, Derek R. MacFadden, Samir Patel, Kevin L. Schwartz, Beate Sander, Nick Daneman	2025	0
2	Follow-up blood cultures do not reduce mortality in hospitalized patients with Gram-negative bloodstream infection: a retrospective population-wide cohort study Clinical Microbiology and Infection ·Sean Wei Xiang Ong, Jin Luo, Daniel J. Fridman, Samantha Lee, Jennie Johnstone, Kevin L. Schwartz, Christina Diong, Samir N. Patel, Derek R. MacFadden, Bradley J. Langford, Steven Y. C. Tong, Kevin A. Brown, Nick Daneman	2024	4
3	Long-term Risk of Infection Among Patients Colonized With Antimicrobial-Resistant Pathogens: A Population-wide Cohort Study Open Forum Infectious Diseases ·G Willems, Kevin A. Brown, Christina Diong, Daniel J. Fridman, Jennie Johnstone, Bradley J. Langford, Samantha Lee, Derek R. MacFadden, Kevin L. Schwartz, Nick Daneman	2024	3
4	Validation of the Diagnostic Accuracy Levels of International Classification of Diseases, 10th Revision Codes for Diabetic Ketoacidosis: A Multicentre, Cross-sectional Study of Adults Canadian Journal of Diabetes ·Medhini Urs, Michael Colacci, Tanalp Ağustoslu, Usman Hussein, Amol A. Verma, Fahad Razak, Derek R. MacFadden, Tor Biering‐Sørensen, Kristoffer Grundtvig Skaarup, Shohinee Sarma, Michael Fralick	2024	4
5	Epidemiology and clinical relevance of persistent bacteraemia in patients with Gram-negative bloodstream infection: a retrospective cohort study Journal of Antimicrobial Chemotherapy ·Sean Wei Xiang Ong, Jin Luo, Daniel J. Fridman, Samantha Lee, Jennie Johnstone, Kevin L. Schwartz, Christina Diong, Samir N. Patel, Derek R. MacFadden, Bradley J. Langford, Steven Y. C. Tong, Kevin A. Brown, Nick Daneman	2024	3
6	Resource utilization and cost assessment of a proactive penicillin allergy de-labeling program for low-risk inpatients Allergy Asthma and Clinical Immunology ·Aurika Gergeleziu, Christine McTavish, Carl van Walraven, Timothy Olynych, Chin Boo Soon, Derek R. MacFadden	2024	2
7	An Evaluation of the Impact of an OPEN Stewardship Generated Feedback Intervention on Antibiotic Prescribing among Primary Care Veterinarians in Canada and Israel Animals ·Anil Jakhar Anil Jakhar, Marcelo José Martins-Junior, Gabrielle Brankston, Jean‐Paul Soucy, Anette Hulth, Sonja Löfmark, John S. Brownstein, O. S. Artashyan, Moriah Ellen, David N. Fisman, Jacob Moran‐Gilad, Amir Steinman, Derek R. MacFadden, Amy L. Greer	2024	1
8	Association Between Infectious Diseases Consultation and Mortality in Hospitalized Patients With Gram-negative Bloodstream Infection: A Retrospective Population-wide Cohort Study Clinical Infectious Diseases ·Sean Wei Xiang Ong, Jin Luo, Daniel J. Fridman, Samantha Lee, Jennie Johnstone, Kevin L. Schwartz, Christina Diong, Samir N. Patel, Derek R. MacFadden, Bradley J. Langford, Steven Y. C. Tong, Kevin A. Brown, Nick Daneman	2024	5
9	SARS-CoV-2 burden on the floor was associated with COVID-19 cases and outbreaks in two acute care hospitals: a prospective cohort study Infection Control and Hospital Epidemiology ·Michael Fralick, De-Song Xing, Paulinelli Santos Rocha, Francesca Mayol Rullan, Allison McGeer, Yasaman Keshtkarjahromi, Aaron Hinz, M . Nallapan, Laura A. Hug, Alex Wong, R.A. Esch, Fu Bi, Ngang Bassey Ngang, Hans-Jürgen Nantke, Rees Kassen, Nisha Thampi, Derek R. MacFadden, Chin Boo Soon	2024	0
10	Rapid inference of antibiotic susceptibility phenotype of uropathogens using metagenomic sequencing with neighbor typing Microbiology Spectrum ·郭志君, 健小口, Hiren Ghosh, Sandra Reuter, Hajo Grundmann, Karel Břinda, William P. Hanage, Angel Li, Aimee Paterson, Minoru Koriyama, jong-Hak Ji, 楊枝靑, Bryan Coburn, Abraham Rodolphe Abiodoun Omore, 刘惠一, Allison McGeer, Derek R. MacFadden	2024	1
11	Antimicrobial resistance in patients with COVID-19: a systematic review and meta-analysis The Lancet Microbe ·Bradley J. Langford, Miranda So, Hichem Ben Aouicha, Valerie Leung, Jennifer Lo, L Samai, Sumit Raybardhan, Jean H. Thoresen, F. Marion Fletcher, Ashley Farrell, Elizabeth Leung, Jean‐Paul Soucy, Alessandro Cassini, Derek R. MacFadden, Nick Daneman, Silvia Bertagnolio Hit paper breakdown →	2023	91
12	Detection of Covid-19 Outbreaks Using Built Environment Testing for SARS-CoV-2 NEJM Evidence ·Michael Fralick, Chin Boo Soon, De-Song Xing, Francesca Mayol Rullan, Бобур Насиллоевич Уринов, David S. Guttman, Aaron Hinz, Nisha Thampi, Alex Wong, Douglas G. Manuel, Allison McGeer, Joana Torrado, Hans-Jürgen Nantke, Veronica Zanichelli, Fabien Roger, Sylva L. Donaldson, Pauline W. Wang, Rees Kassen, Derek R. MacFadden	2023	5
13	SARS-CoV-2 detection from the built environment and wastewater and its use for hospital surveillance FACETS ·Aaron Hinz, Hangyi Mu, Joana Torrado, Laura Hug, Rees Kassen, Banu Örmeci, Richard Kibbee, Alex Wong, Derek R. MacFadden, Chin Boo Soon	2022	12
14	A Time Series Analysis Evaluating Antibiotic Prescription Rates in Long-Term Care during the COVID-19 Pandemic in Alberta and Ontario, Canada Antibiotics ·Manon Haverkate, Derek R. MacFadden, Nick Daneman, Jenine Leal, Michael Otterstatter, Yuming Liu, Zhu Ai-dong, Elissa Rennert‐May, Michael H. Silverman, Kevin L. Schwartz, Andrew M. Morris, Samart Kongtaweelert, David M. Patrick, Fawziah Marra	2022	2
15	Mathematical modelling of the influence of serosorting on the population-level HIV transmission impact of pre-exposure prophylaxis AIDS ·Linwei Wang, Erica Titkemeyer, Kathryn D. Ford, Jesse Knight, Huiting Ma, Nathan J. Lachowsky, Heather L. Armstrong, Darrell H. S. Tan, Ann N. Burchell, Trevor Hart, David Moore, Barry D. Adam, Derek R. MacFadden, Stefan Baral, Sharmistha Mishra	2021	8
16	Evaluation of an automated feedback intervention to improve antimicrobial prescribing among primary care physicians (OPEN Stewardship): protocol for an interrupted time-series and usability analysis in Ontario, Canada and Southern Israel BMJ Open ·Aurelia Wijaya, Marcelo Low, Anil Jakhar Anil Jakhar, Moriah Ellen, Anette Hulth, Sonja Löfmark, Gary Garber, William J. Watson, Jacob Moran‐Gilad, David N. Fisman, Derek R. MacFadden	2021	2
17	Evaluation of an OPEN Stewardship generated feedback intervention to improve antibiotic prescribing among primary care veterinarians in Ontario, Canada and Israel: protocol for evaluating usability and an interrupted time-series analysis BMJ Open ·Anil Jakhar Anil Jakhar, Gabrielle Brankston, Aurelia Wijaya, Marcelo José Martins-Junior, Anette Hulth, Sonja Löfmark, Nadav Davidovitch, Moriah Ellen, David N. Fisman, Jacob Moran‐Gilad, Amir Steinman, Derek R. MacFadden, Amy L. Greer	2021	11
18	Using Genetic Distance from Archived Samples for the Prediction of Antibiotic Resistance in Escherichia coli Antimicrobial Agents and Chemotherapy ·Derek R. MacFadden, Bryan Coburn, Karel Břinda, 田坤一, Nick Daneman, David N. Fisman, Julianne A. Richter, Marc Lipsitch, Allison McGeer, Roberto G. Melano, Samira Mubareka, William P. Hanage	2020	8
19	Rapid inference of antibiotic resistance and susceptibility by genomic neighbour typing Nature Microbiology ·Karel Břinda, (unknown), C. Kevin, Derek R. MacFadden, Themoula Charalampous, Julianne A. Richter, Lauren A. Cowley, Crista B. Wadsworth, Yonatan H. Grad, Grégory Kucherov, Justin O’Grady, Michael Baym, William P. Hanage	2020	66
20	Antibiotic resistance increases with local temperature Nature Climate Change ·Derek R. MacFadden, Sarah F. McGough, David N. Fisman, Mauricio Santillana, John S. Brownstein Hit paper breakdown →	2018	344

About Derek R. MacFadden

Derek R. MacFadden is a scholar working on Applied Microbiology and Biotechnology, Clinical Biochemistry, Molecular Medicine, Modeling and Simulation and Infectious Diseases, having authored 110 papers that have together received 4.0k indexed citations. Recurring topics across this work include Antibiotic Use and Resistance (42 papers), Bacterial Identification and Susceptibility Testing (35 papers), Antibiotic Resistance in Bacteria (15 papers), COVID-19 epidemiological studies (12 papers), Urinary Tract Infections Management (11 papers), Antibiotics Pharmacokinetics and Efficacy (10 papers), Infection Control and Ventilation (9 papers) and Pneumonia and Respiratory Infections (9 papers). The work is most often cited by research in Applied Microbiology and Biotechnology (1.6k citations), Molecular Medicine (707 citations), Critical Care and Intensive Care Medicine (420 citations), Clinical Biochemistry (404 citations) and Infectious Diseases (1.1k citations). Derek R. MacFadden has collaborated with scholars based in Canada, United States and Australia. Frequent co-authors include Nick Daneman, Bradley J. Langford, Valerie Leung, Miranda So, Sumit Raybardhan, Duncan Westwood, John S. Brownstein, Sarah F. McGough, Mauricio Santillana and David N. Fisman. Their work appears in journals such as Canadian Medical Association Journal, Clinical Infectious Diseases, Clinical Microbiology and Infection, Open Forum Infectious Diseases and CMAJ Open.

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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