World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
91
Citations
33252
World Ranking
11684
National Ranking
5990

Hakan Oral publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Hakan Oral sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 436 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Hakan Oral D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Hakan Oral sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 91 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Hakan Oral is affiliated with the University of Michigan-Ann Arbor in the United States. Their research primarily centers on the field of Medicine, with a focus on subfields such as Cardiology and Cardiovascular Medicine, Surgery, Infectious Diseases, Epidemiology, and Molecular Biology.

The main topics of their work include:

  • Cardiac Arrhythmias and Treatments
  • COVID-19 Clinical Research Studies
  • COVID-19 and healthcare impacts
  • SARS-CoV-2 and COVID-19 Research
  • Autoimmune and Inflammatory Disorders Research
  • Atrial Fibrillation Management and Outcomes
  • Cardiac pacing and defibrillation studies

Hakan Oral has contributed to multiple publications across various journals. Recent notable papers authored or co-authored by them include:

  • "Mediastinal mass in a patient with rheumatoid arthritis: lymphoid cystic thymic hyperplasia," 2021, Rheumatology Advances in Practice
  • "Disseminated Brucella melitensis infection following canakinumab treatment," 2021, Travel Medicine and Infectious Disease

Other relevant papers from their recent research collaborations include:

  • "Independent predictors of in-hospital mortality and the need for intensive care in hospitalized non-critical COVID-19 patients: a prospective cohort study," 2022, Internal and Emergency Medicine
  • "Biologics for immunoglobulin A vasculitis: targeting vasculitis or comorbid disease?," 2022, Internal and Emergency Medicine
  • "The impact of COVID-19 disease on the natural course of cirrhosis: Before and after starting vaccination," 2023, Frontiers in Medicine

The frequent publication venues where Hakan Oral's work is featured include:

  • Internal and Emergency Medicine
  • Journal of Cardiovascular Electrophysiology
  • Circulation
  • Rheumatology Advances in Practice
  • Frontiers in Medicine

Collaborations are a significant aspect of Hakan Oral's research activity. Frequent co-authors include:

  • Michael Ghannam
  • Amrish Deshmukh
  • Jackson J. Liang
  • Rakesh Latchamsetty
  • Aman Chugh

Best Publications

  • Proinflammatory cytokine levels in patients with depressed left ventricular ejection fraction: A report from the studies of left ventricular dysfunction (SOLVD)

    Guillermo Torre-Amione;Samir Kapadia;Claude Benedict;Hakan Oral

  • Pulmonary Vein Isolation for Paroxysmal and Persistent Atrial Fibrillation

    Hakan Oral;Bradley P. Knight;Hiroshi Tada;Mehmet Özaydın

  • Circumferential pulmonary-vein ablation for chronic atrial fibrillation.

    Hakan Oral;Carlo Pappone;Aman Chugh;Eric Good

  • Pathophysiologically relevant concentrations of tumor necrosis factor- α promote progressive left ventricular dysfunction and remodeling in rats

    Biykem Bozkurt;Scott B. Kribbs;Fred J. Clubb;Lloyd H. Michael

  • Catheter Ablation for Paroxysmal Atrial Fibrillation Segmental Pulmonary Vein Ostial Ablation Versus Left Atrial Ablation

    Hakan Oral;Christoph Scharf;Aman Chugh;Burr Hall

  • Atrio-esophageal fistula as a complication of percutaneous transcatheter ablation of atrial fibrillation

    Carlo Pappone;Hakan Oral;Vincenzo Santinelli;Gabriele Vicedomini

  • Relationship between burden of premature ventricular complexes and left ventricular function.

    Timir S. Baman;Dave C. Lange;Karl J. Ilg;Sanjaya K. Gupta

  • Basic mechanisms in heart failure: The cytokine hypothesis

    Yukihiro Seta;Kesavan Shan;Biykem Bozkurt;Hakan Oral

  • Radiofrequency Catheter Ablation of Chronic Atrial Fibrillation Guided by Complex Electrograms

    Hakan Oral;Aman Chugh;Eric Good;Alan Wimmer

  • Radiofrequency ablation of frequent, idiopathic premature ventricular complexes: comparison with a control group without intervention.

    Frank Bogun;Thomas Crawford;Stephen Reich;Todd M. Koelling

  • Clinical significance of early recurrences of atrial fibrillation after pulmonary vein isolation

    Hakan Oral;Bradley P Knight;Mehmet Özaydın;Hiroshi Tada

  • Risk of Thromboembolic Events After Percutaneous Left Atrial Radiofrequency Ablation of Atrial Fibrillation

    Hakan Oral;Aman Chugh;Mehmet Özaydin;Eric Good

  • A Randomized Assessment of the Incremental Role of Ablation of Complex Fractionated Atrial Electrograms After Antral Pulmonary Vein Isolation for Long-Lasting Persistent Atrial Fibrillation

    Hakan Oral;Aman Chugh;Kentaro Yoshida;Jean F. Sarrazin

  • Sphingosine mediates the immediate negative inotropic effects of tumor necrosis factor-alpha in the adult mammalian cardiac myocyte.

    Hakan Oral;Gerald W. Dorn;Douglas L. Mann

  • Facilitating transthoracic cardioversion of atrial fibrillation with ibutilide pretreatment.

    H Oral;J J Souza;G F Michaud;B P Knight

  • Prevalence, mechanisms, and clinical significance of macroreentrant atrial tachycardia during and following left atrial ablation for atrial fibrillation.

    Aman Chugh;Hakan Oral;Kristina Lemola;Burr Hall

  • Hemodynamic Regulation of Tumor Necrosis Factor-α Gene and Protein Expression in Adult Feline Myocardium

    Samir R. Kapadia;Hakan Oral;Joseph Lee;Masayuki Nakano

  • Computed Tomographic Analysis of the Anatomy of the Left Atrium and the Esophagus. Implications for Left Atrial Catheter Ablation

    Kristina Lemola;Michael Sneider;Benoit Desjardins;Ian Case

  • Atrial Tachycardia After Circumferential Pulmonary Vein Ablation of Atrial Fibrillation: Mechanistic Insights, Results of Catheter Ablation, and Risk Factors for Recurrence

    Sanders Chae;Hakan Oral;Eric Good;Sujoya Dey

  • Delayed-Enhanced Magnetic Resonance Imaging in Nonischemic Cardiomyopathy: Utility for Identifying the Ventricular Arrhythmia Substrate

    Frank M. Bogun;Benoit Desjardins;Eric Good;Sanjaya Gupta

Frequent Co-Authors

Fred Morady
Fred Morady University of Michigan–Ann Arbor
Frank Pelosi
Frank Pelosi University of Michigan–Ann Arbor
Frank Bogun
Frank Bogun University of Michigan–Ann Arbor
Bradley P. Knight
Bradley P. Knight Northwestern University
Kim A. Eagle
Kim A. Eagle University of Michigan–Ann Arbor
Ella A. Kazerooni
Ella A. Kazerooni University of Michigan–Ann Arbor
José Jalife
José Jalife University of Michigan–Ann Arbor
Brahmajee K. Nallamothu
Brahmajee K. Nallamothu University of Michigan–Ann Arbor
Gregory Y.H. Lip
Gregory Y.H. Lip University of Liverpool
Robert T. Kennedy
Robert T. Kennedy University of Michigan–Ann Arbor

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