Guillermo E. Umpierrez

47.3k total citations · 18 hit papers
459 papers, 26.0k citations indexed

About

Guillermo E. Umpierrez is a scholar working on Endocrinology, Diabetes and Metabolism, Genetics and Surgery. According to data from OpenAlex, Guillermo E. Umpierrez has authored 459 papers receiving a total of 26.0k indexed citations (citations by other indexed papers that have themselves been cited), including 382 papers in Endocrinology, Diabetes and Metabolism, 134 papers in Genetics and 76 papers in Surgery. Recurrent topics in Guillermo E. Umpierrez's work include Diabetes Management and Research (272 papers), Hyperglycemia and glycemic control in critically ill and hospitalized patients (182 papers) and Diabetes Treatment and Management (144 papers). Guillermo E. Umpierrez is often cited by papers focused on Diabetes Management and Research (272 papers), Hyperglycemia and glycemic control in critically ill and hospitalized patients (182 papers) and Diabetes Treatment and Management (144 papers). Guillermo E. Umpierrez collaborates with scholars based in United States, United Kingdom and Australia. Guillermo E. Umpierrez's co-authors include Abbas E. Kitabchi, Dawn Smiley, Francisco J. Pasquel, Mary T. Korytkowski, Joseph N. Fisher, John J. Miles, Irl B. Hirsch, Daniel Einhorn, Scott Isaacs and Limin Peng and has published in prestigious journals such as New England Journal of Medicine, JAMA and Circulation.

In The Last Decade

Guillermo E. Umpierrez

440 papers receiving 24.9k citations

Hit Papers

Hyperglycemia: An Independent Marker of In-Hospital Morta... 2002 2026 2010 2018 2002 2009 2009 2012 2011 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. Hyperglycemia: An Independent Marker of In-Hospital Mortality in Patients with Undiagnosed Diabetes
    2002 1.5k citations Guillermo E. Umpierrez et al. profile →
  2. Hyperglycemic Crises in Adult Patients With Diabetes
    2009 1.3k citations Guillermo E. Umpierrez et al. Diabetes Care profile →
  3. American Association of Clinical Endocrinologists and American Diabetes Association Consensus Statement on Inpatient Glycemic Control
    2009 963 citations Irl B. Hirsch, Guillermo E. Umpierrez et al. Diabetes Care profile →
  4. Management of Hyperglycemia in Hospitalized Patients in Non-Critical Care Setting: An Endocrine Society Clinical Practice Guideline
    2012 758 citations Guillermo E. Umpierrez et al. profile →
  5. Randomized Study of Basal-Bolus Insulin Therapy in the Inpatient Management of Patients With Type 2 Diabetes Undergoing General Surgery (RABBIT 2 Surgery)
    2011 493 citations Guillermo E. Umpierrez, Limin Peng et al. Diabetes Care profile →
  6. Prevalence and Clinical Outcome of Hyperglycemia in the Perioperative Period in Noncardiac Surgery
    2010 484 citations Limin Peng, Guillermo E. Umpierrez et al. Diabetes Care profile →
  7. Consensus Statement by the American Association of Clinical Endocrinologists and American College of Endocrinology on the Comprehensive Type 2 Diabetes Management Algorithm – 2020 Executive Summary
    2020 411 citations Irl B. Hirsch, Guillermo E. Umpierrez et al. profile →
  8. Guidelines for the use of an insulin infusion for the management of hyperglycemia in critically ill patients
    2012 390 citations James S. Krinsley, Guillermo E. Umpierrez et al. profile →
  9. Consensus Statement by the American Association of Clinical Endocrinologists and American College of Endocrinology on the Comprehensive Type 2 Diabetes Management Algorithm – 2018 Executive Summary
    2018 377 citations Vivian Fonseca, Irl B. Hirsch et al. profile →
  10. Consensus Statement by the American Association of Clinical Endocrinologists and American College of Endocrinology on the Comprehensive type 2 Diabetes Management Algorithm – 2017 Executive Summary
    2017 327 citations Vivian Fonseca, Irl B. Hirsch et al. profile →
  11. Diabetic emergencies — ketoacidosis, hyperglycaemic hyperosmolar state and hypoglycaemia
    2016 310 citations Guillermo E. Umpierrez et al. profile →
  12. Consensus Statement by the American Association of Clinical Endocrinologists and American College of Endocrinology on the Comprehensive Type 2 Diabetes Management Algorithm – 2019 Executive Summary
    2019 225 citations Vivian Fonseca, Irl B. Hirsch et al. profile →
  13. Diabetic ketoacidosis
    2020 220 citations Ketan Dhatariya, Guillermo E. Umpierrez et al. profile →
  14. American Association of Clinical Endocrinology Consensus Statement: Comprehensive Type 2 Diabetes Management Algorithm – 2023 Update
    2023 206 citations Priyathama Vellanki, Rodolfo J. Galindo et al. profile →
  15. Management of diabetes and hyperglycaemia in the hospital
    2021 174 citations Francisco J. Pasquel, M. Cecilia Lansang et al. profile →
  16. Diabetes Complications in Racial and Ethnic Minority Populations in the USA
    2021 141 citations Guillermo E. Umpierrez et al. profile →
  17. Management of Hyperglycemia in Hospitalized Adult Patients in Non-Critical Care Settings: An Endocrine Society Clinical Practice Guideline
    2022 131 citations Irl B. Hirsch, Guillermo E. Umpierrez et al. profile →
  18. Hyperglycemic Crises in Adults With Diabetes: A Consensus Report
    2024 55 citations Guillermo E. Umpierrez, Georgia M. Davis et al. Diabetes Care profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Guillermo E. Umpierrez United States 82 20.0k 7.6k 5.4k 4.1k 3.0k 459 26.0k
Irl B. Hirsch United States 73 17.9k 0.9× 5.7k 0.8× 6.7k 1.3× 3.0k 0.7× 1.8k 0.6× 360 23.2k
Per‐Henrik Groop Finland 74 9.8k 0.5× 4.1k 0.5× 4.3k 0.8× 5.8k 1.4× 4.2k 1.4× 522 23.0k
Anne L. Peters United States 66 18.2k 0.9× 3.9k 0.5× 6.6k 1.2× 4.8k 1.2× 2.6k 0.9× 246 24.0k
Simon Heller United Kingdom 67 16.1k 0.8× 4.5k 0.6× 5.6k 1.0× 2.3k 0.6× 1.4k 0.5× 396 20.3k
Richard M. Bergenstal United States 76 27.2k 1.4× 8.2k 1.1× 11.8k 2.2× 7.4k 1.8× 2.7k 0.9× 323 32.8k
Santica M. Marcovina United States 85 11.5k 0.6× 4.3k 0.6× 12.4k 2.3× 3.3k 0.8× 2.4k 0.8× 406 25.5k
Anders Green Denmark 43 9.7k 0.5× 3.2k 0.4× 3.5k 0.7× 2.7k 0.7× 2.2k 0.7× 144 20.2k
Giuseppina Imperatore United States 71 11.5k 0.6× 5.1k 0.7× 4.1k 0.8× 1.9k 0.5× 2.2k 0.7× 217 19.8k
Vivian Fonseca United States 84 15.2k 0.8× 1.9k 0.3× 5.9k 1.1× 6.1k 1.5× 3.5k 1.2× 462 26.7k
Robert J. Heine Netherlands 91 15.2k 0.8× 2.4k 0.3× 4.8k 0.9× 4.6k 1.1× 4.4k 1.5× 325 28.7k

Countries citing papers authored by Guillermo E. Umpierrez

Since Specialization
Citations

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

Fields of papers citing papers by Guillermo E. Umpierrez

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Guillermo E. Umpierrez. 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 Guillermo E. Umpierrez. The network helps show where Guillermo E. Umpierrez may publish in the future.

Co-authorship network of co-authors of Guillermo E. Umpierrez

This figure shows the co-authorship network connecting the top 25 collaborators of Guillermo E. Umpierrez. A scholar is included among the top collaborators of Guillermo E. Umpierrez 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 Guillermo E. Umpierrez. Guillermo E. Umpierrez 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.
Demidowich, Andrew P., et al.. (2025). Wearable Diabetes Technology for Hospitalized People With Diabetes and End-Stage Kidney Disease, Peripartum State, and Steroid Use. Journal of Diabetes Science and Technology. 20(2). 290–298.
2.
Barkmeier, Andrew J., Yihong Deng, Jeph Herrin, et al.. (2025). Risk of Sight-Threatening Diabetic Retinopathy with Glucagon-Like Peptide-1 Receptor Agonist Use in Routine Clinical Practice. Ophthalmology Retina. 10(2). 142–151. 1 indexed citations
3.
Oprea, Adriana D., Maria D. Hurtado, Carlos E. Mendez, et al.. (2025). Perioperative management of patients taking glucagon-like peptide 1 receptor agonists: Society for Perioperative Assessment and Quality Improvement (SPAQI) multidisciplinary consensus statement. British Journal of Anaesthesia. 135(1). 48–78. 9 indexed citations
4.
Jódar‐Sánchez, Francisco, et al.. (2025). Intermittently scanned continuous glucose monitoring adoption decreases diabetic ketoacidosis hospitalizations and healthcare costs in adults with type 1 diabetes. Diabetes Research and Clinical Practice. 226. 112372–112372.
5.
Darouei, Bahar, Reza Amani‐Beni, Ehsan Amini‐Salehi, et al.. (2025). The prognostic role of glycemic variability in predicting the risk of adverse cardiovascular events in patients with cardiovascular diseases: a meta-analysis. Diabetology & Metabolic Syndrome. 17(1). 463–463.
6.
Neumiller, Joshua J., Jeph Herrin, Eric C. Polley, et al.. (2024). Kidney Outcomes with Glucagon-Like Peptide-1 Receptor Agonists, Sodium-Glucose Cotransporter 2 Inhibitors, Dipeptidyl Peptidase-4 Inhibitors, and Sulfonylureas in Type 2 Diabetes and Moderate Cardiovascular Risk. Clinical Journal of the American Society of Nephrology. 20(2). 206–217. 2 indexed citations
7.
Moazzami, Bobak, Rodolfo J. Galindo, Priyathama Vellanki, et al.. (2024). Continuous Glucose Monitoring-Guided Insulin Administration in Long-Term Care Facilities: A Randomized Clinical Trial. Journal of the American Medical Directors Association. 25(5). 884–888. 6 indexed citations
8.
Kulshreshtha, Ambar, K.M. Venkat Narayan, Mohammed K. Ali, et al.. (2024). Renal function as an effect modifier of intensive glucose control in delaying cognitive function decline among individuals with type 2 diabetes: A revisit to the ACCORD MIND trial. Diabetes Obesity and Metabolism. 26(9). 3958–3968. 2 indexed citations
9.
Roberts, Greg, James S. Krinsley, Jean‐Charles Preiser, et al.. (2023). Malglycemia in the critical care setting. Part II: Relative and absolute hypoglycemia. Journal of Critical Care. 79. 154429–154429. 4 indexed citations
10.
Roberts, Greg, James S. Krinsley, Jean‐Charles Preiser, et al.. (2023). Malglycemia in the critical care setting. Part I: Defining hyperglycemia in the critical care setting using the glycemic ratio. Journal of Critical Care. 77. 154327–154327. 5 indexed citations
11.
Galindo, Rodolfo J., José E. Navarrete, Bobak Moazzami, et al.. (2023). Assessment of Glycemic Control by Continuous Glucose Monitoring, Hemoglobin A1c, Fructosamine, and Glycated Albumin in Patients With End-Stage Kidney Disease and Burnt-Out Diabetes. Diabetes Care. 47(2). 267–271. 10 indexed citations
12.
Huang, Jingtong, Richard M. Bergenstal, Kristin Castorino, et al.. (2023). Update on Measuring Ketones. Journal of Diabetes Science and Technology. 18(3). 714–726. 22 indexed citations
13.
Ibrahim, Mahmoud, Avivit Cahn, Robert H. Eckel, et al.. (2020). Hypoglycaemia and its management in primary care setting. Diabetes/Metabolism Research and Reviews. 36(8). e3332–e3332. 12 indexed citations
14.
Klonoff, David C., Jordan Messler, Guillermo E. Umpierrez, et al.. (2020). Association Between Achieving Inpatient Glycemic Control and Clinical Outcomes in Hospitalized Patients With COVID-19: A Multicenter, Retrospective Hospital-Based Analysis. Diabetes Care. 44(2). 578–585. 60 indexed citations
15.
Michopoulos, Vasiliki, et al.. (2020). Trauma exposure and stress‐related disorders in African‐American women with diabetes mellitus. Endocrinology Diabetes & Metabolism. 3(2). e00111–e00111. 13 indexed citations
16.
Pasquel, Francisco J., M. Cecilia Lansang, Maria A. Urrutia, et al.. (2020). A Randomized Controlled Trial Comparing Glargine U300 and Glargine U100 for the Inpatient Management of Medicine and Surgery Patients With Type 2 Diabetes: Glargine U300 Hospital Trial. Diabetes Care. 43(6). 1242–1248. 23 indexed citations
17.
Umpierrez, Guillermo E. & David C. Klonoff. (2018). Diabetes Technology Update: Use of Insulin Pumps and Continuous Glucose Monitoring in the Hospital. Diabetes Care. 41(8). 1579–1589. 154 indexed citations
18.
Bonadonna, Riccardo C., Éric Renard, Alice Cheng, et al.. (2018). Switching to insulin glargine 300 U/mL: Is duration of prior basal insulin therapy important?. Diabetes Research and Clinical Practice. 142. 19–25. 11 indexed citations
19.
Bellido, Virginia, Lorena Suárez, Cecilia Sánchez-Ragnarsson, et al.. (2015). Comparison of Basal-Bolus and Premixed Insulin Regimens in Hospitalized Patients With Type 2 Diabetes. Diabetes Care. 38(12). 2211–2216. 77 indexed citations
20.
Umpierrez, Guillermo E.. (1997). Hyperglycemic Crises in Urban Blacks. Archives of Internal Medicine. 157(6). 669–669. 207 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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