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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 117 4134 3872 2264 2096 933 67146

Christoph A. Nienaber publications per year

The chart shows the history of publications by Christoph A. Nienaber between 1981 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Christoph A. Nienaber published across 45 years, from 1981 to 2025, averaging 22.7 papers a year. Output peaked at 109 publications in 2013. 25 of the 1,020 publications appeared in the last two years.

No. of publications
25 50 75 100
Bar chart. Horizontal axis: year, 1981 to 2025. Vertical axis: number of publications, 0 to 109. Peak 109 publications in 2013. 1981: 1 publication 1982: 0 publications 1983: 1 publication 1984: 3 publications 1985: 9 publications 1986: 2 publications 1987: 5 publications 1988: 11 publications 1989: 4 publications 1990: 7 publications 1991: 6 publications 1992: 10 publications 1993: 8 publications 1994: 14 publications 1995: 10 publications 1996: 17 publications 1997: 7 publications 1998: 23 publications 1999: 8 publications 2000: 11 publications 2001: 8 publications 2002: 22 publications 2003: 18 publications 2004: 28 publications 2005: 40 publications 2006: 36 publications 2007: 47 publications 2008: 35 publications 2009: 41 publications 2010: 35 publications 2011: 44 publications 2012: 52 publications 2013: 109 publications 2014: 64 publications 2015: 40 publications 2016: 24 publications 2017: 27 publications 2018: 32 publications 2019: 38 publications 2020: 29 publications 2021: 32 publications 2022: 24 publications 2023: 13 publications 2024: 20 publications 2025: 5 publications
1981 2025

1,020 publications in total across all disciplines

View publications per year as a table
Christoph A. Nienaber: publications per year, 1981 to 2025
Year Publications
1981 1
1982 0
1983 1
1984 3
1985 9
1986 2
1987 5
1988 11
1989 4
1990 7
1991 6
1992 10
1993 8
1994 14
1995 10
1996 17
1997 7
1998 23
1999 8
2000 11
2001 8
2002 22
2003 18
2004 28
2005 40
2006 36
2007 47
2008 35
2009 41
2010 35
2011 44
2012 52
2013 109
2014 64
2015 40
2016 24
2017 27
2018 32
2019 38
2020 29
2021 32
2022 24
2023 13
2024 20
2025 5
Total 1,020
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Christoph A. Nienaber publications per year - data summary

  • Christoph A. Nienaber, a Medicine scholar from National Institutes of Health, has 1,020 publications recorded across 45 years, from 1981 to 2025.
  • The oldest publication on record dates to 1981 and the most recent to 2025.
  • The most productive year is 2013, with 109 publications.
  • The least productive years with any output are 1981 and 1983, with 1 publication each.
  • 1 of the 45 years in the span carries no publications at all (1982).
  • The rate of publication averages 22.7 papers per year over the whole span, or 23.2 per year counting only the 44 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 94 publications, 9% of the career total.
  • Split into equal eras - 1981-1995: 91 publications (6.1 per year); 1996-2010: 376 publications (25.1 per year); 2011-2025: 553 publications (36.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Christoph A. Nienaber 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 Christoph A. Nienaber sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 921–940 publications, is where this scientist sits. 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
101–120 publications 1,796+

This scientist: 933 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116 933
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Christoph A. Nienaber publication distribution in Medicine in 2026 - data summary

  • The chart plots the publication count of all 20,134 Medicine scientists ranked by Research.com in 2026, grouped into 86 ranges running from 101–120 to 1,796+ publications.
  • Christoph A. Nienaber, a Medicine scholar from National Institutes of Health, records 933 publications - the 92nd percentile of the discipline.
  • 92% of ranked Medicine scientists score the same or lower than Christoph A. Nienaber, and about 8% score higher.
  • The median of the discipline falls in the 441–460 publications range, and Christoph A. Nienaber ranks above the median.
  • The most crowded range is 341–360 publications, holding 922 scientists (5% of the field).
  • 64% of the field sits in the lowest quarter of the value range (up to 521–540 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,796 publications or more, 100 scientists in all (<1% of the field).

Christoph A. Nienaber 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 Christoph A. Nienaber sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 116–117 D-Index, is where this scientist sits. 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
70–71 D-Index 217+

This scientist: 117 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318 117
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Christoph A. Nienaber D-index placement in Medicine in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 20,134 Medicine scientists ranked by Research.com in 2026, grouped into 75 ranges running from 70–71 to 217+ D-Index.
  • Christoph A. Nienaber, a Medicine scholar from National Institutes of Health, records 117 D-Index - the 80th percentile of the discipline.
  • 80% of ranked Medicine scientists score the same or lower than Christoph A. Nienaber, and about 20% score higher.
  • The median of the discipline falls in the 94–95 D-Index range, and Christoph A. Nienaber ranks above the median.
  • The most crowded range is 82–83 D-Index, holding 1,027 scientists (5% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 106–107 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 217 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Christoph A. Nienaber is affiliated with the National Institutes of Health in the United States. Their research primarily spans the field of medicine, with a strong focus on pulmonary and respiratory medicine, cardiology and cardiovascular medicine, surgery, radiology, nuclear medicine and imaging, and epidemiology.

The main topics covered in their work include aortic disease and treatment approaches, aortic aneurysm repair treatments, cardiac valve diseases and treatments, cardiac anesthesia and surgical outcomes, cardiac structural anomalies and repair, atrial fibrillation management and outcomes, and infectious aortic and vascular conditions.

Recent publications by Christoph A. Nienaber include:

  • EACTS/STS Guidelines for diagnosing and treating acute and chronic syndromes of the aortic organ, 2023, European Journal of Cardio-Thoracic Surgery
  • Early Mortality in Type A Acute Aortic Dissection, 2022, JAMA Cardiology
  • EACTS/STS Guidelines for Diagnosing and Treating Acute and Chronic Syndromes of the Aortic Organ, 2024, The Annals of Thoracic Surgery
  • Acute Aortic Syndrome Revisited, 2021, Journal of the American College of Cardiology
  • Artificial intelligence in the diagnosis and management of arrhythmias, 2021, European Heart Journal

Frequent co-authors in their research include:

  • Xun Yuan
  • Santi Trimarchi
  • Kim A. Eagle
  • Martin Czerny
  • Daniel Montgomery

Their work is frequently published in several key journals, such as:

  • European Journal of Cardio-Thoracic Surgery
  • Journal of Thoracic and Cardiovascular Surgery
  • European Heart Journal
  • Journal of the American College of Cardiology
  • Journal of Cardiac Surgery

Overall, Christoph A. Nienaber's research contributions focus largely on cardiovascular diseases, specifically those involving the aortic organ and cardiac valve conditions, along with related surgical and diagnostic approaches.

Best Publications

  • 2014 ESC Guidelines on the diagnosis and treatment of aortic diseases: Document covering acute and chronic aortic diseases of the thoracic and abdominal aorta of the adult. The Task Force for the Diagnosis and Treatment of Aortic Diseases of the European Society of Cardiology (ESC).

    Erbel R;Aboyans;Boileau C;Bossone E

  • The International Registry of Acute Aortic Dissection (IRAD): new insights into an old disease.

    Peter G. Hagan;Christoph A. Nienaber;Eric M. Isselbacher;David Bruckman

  • Autologous bone-marrow stem-cell transplantation for myocardial regeneration

    Christof Stamm;Bernd Westphal;Hans-Dieter Kleine;Michael Petzsch

  • Intensive lipid lowering with simvastatin and ezetimibe in aortic stenosis.

    Anne B. Rossebø;Terje R. Pedersen;Kurt Boman;Philippe Brudi

  • Nonsurgical Reconstruction of Thoracic Aortic Dissection by Stent–Graft Placement

    C A Nienaber;R Fattori;G Lund;C Dieckmann

  • The diagnosis of thoracic aortic dissection by noninvasive imaging procedures.

    C A Nienaber;Y von Kodolitsch;V Nicolas;V Siglow

  • Endovascular Repair of Type B Aortic Dissection Long-Term Results of the Randomized Investigation of Stent Grafts in Aortic Dissection Trial

    Christoph A. Nienaber;Stephan Kische;Hervé Rousseau;Holger Eggebrecht

  • Presentation, Diagnosis, and Outcomes of Acute Aortic Dissection: 17-Year Trends From the International Registry of Acute Aortic Dissection

    Linda A. Pape;Mazen Awais;Elise M. Woznicki;Toru Suzuki

  • Expert consensus document on the treatment of descending thoracic aortic disease using endovascular stent-grafts.

    Lars G. Svensson;Nicholas T. Kouchoukos;D. Craig Miller;Joseph E. Bavaria

  • Insights From the International Registry of Acute Aortic Dissection: A 20-Year Experience of Collaborative Clinical Research.

    Arturo Evangelista;Eric M. Isselbacher;Eduardo Bossone;Thomas G. Gleason

  • Long-Term Survival in Patients Presenting With Type B Acute Aortic Dissection Insights From the International Registry of Acute Aortic Dissection

    Thomas T. Tsai;Rossella Fattori;Santi Trimarchi;Eric Isselbacher

  • Randomized Comparison of Strategies for Type B Aortic Dissection The INvestigation of STEnt Grafts in Aortic Dissection (INSTEAD) Trial

    Christoph A. Nienaber;Hervé Rousseau;Holger Eggebrecht;Stephan Kische

  • Aortic Dissection: New Frontiers in Diagnosis and Management Part I: From Etiology to Diagnostic Strategies

    Christoph A. Nienaber;Kim A. Eagle

  • Aortic Diameter ≥5.5 cm Is Not a Good Predictor of Type A Aortic Dissection Observations From the International Registry of Acute Aortic Dissection (IRAD)

    Linda A. Pape;Thomas T. Tsai;Eric M. Isselbacher;Jae K. Oh

  • Clinical profiles and outcomes of acute type B aortic dissection in the current era: Lessons from the International Registry of Aortic Dissection (IRAD)

    Toru Suzuki;Rajendra H. Mehta;Hüseyin Ince;Ryozo Nagai

  • 2014 ESC Guidelines on the diagnosis and treatment of aortic diseases

    Raimund Erbel;Victor Aboyans;Eduardo Bossone;Holger Eggebrecht

  • Endovascular stent-graft placement in aortic dissection: a meta-analysis.

    Holger Eggebrecht;Christoph A. Nienaber;Markus Neuhäuser;Dietrich Baumgart

  • Partial thrombosis of the false lumen in patients with acute type B aortic dissection.

    Thomas T Tsai;Arturo Evangelista;Christoph A Nienaber;Truls Myrmel

  • Predicting Death in Patients With Acute Type A Aortic Dissection

    Rajendra H. Mehta;Toru Suzuki;Peter G. Hagan;Eduardo Bossone

  • Contemporary results of surgery in acute type A aortic dissection: The International Registry of Acute Aortic Dissection experience.

    Santi Trimarchi;Christoph A. Nienaber;Vincenzo Rampoldi;Truls Myrmel

Frequent Co-Authors

Kim A. Eagle
Kim A. Eagle University of Michigan–Ann Arbor
Eric M. Isselbacher
Eric M. Isselbacher Harvard University
Eduardo Bossone
Eduardo Bossone University of Naples Federico II
Arturo Evangelista
Arturo Evangelista Autonomous University of Barcelona
Patrick T. O'Gara
Patrick T. O'Gara Brigham and Women's Hospital
Reed E. Pyeritz
Reed E. Pyeritz University of Pennsylvania
Karl-Heinz Kuck
Karl-Heinz Kuck Universität Hamburg
Thoralf M. Sundt
Thoralf M. Sundt Harvard University
Udo Sechtem
Udo Sechtem Robert Bosch (Germany)
Christian W. Hamm
Christian W. Hamm University of Giessen

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