World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
102
Citations
34582
World Ranking
7722
National Ranking
230

Osvaldo P. Almeida 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 Osvaldo P. Almeida 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: 508 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Osvaldo P. Almeida 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 Osvaldo P. Almeida 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: 102 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Osvaldo P. Almeida is affiliated with the University of Western Australia. Their research primarily focuses on the field of Medicine, with particular emphasis on Psychiatry and Mental Health, General Health Professions, Epidemiology, Health, and Geriatrics and Gerontology.

The scientist's recent publications cover a range of topics related to mental health, stroke, cognitive function, and associated disorders. Notable papers include:

  • Safety and efficacy of fluoxetine on functional outcome after acute stroke (AFFINITY): a randomised, double-blind, placebo-controlled trial, 2020, published in The Lancet Neurology
  • Depression, Anxiety, and Suicide After Stroke: A Narrative Review of the Best Available Evidence, 2021, published in Stroke
  • Association of Thyroid Dysfunction With Cognitive Function, 2021, published in JAMA Internal Medicine
  • Obstructive sleep apnea and depression: A systematic review and meta-analysis, 2020, published in Maturitas
  • Association between hearing loss and frailty: a systematic review and meta-analysis, 2021, published in BMC Geriatrics

Their collaborative network includes frequent co-authors such as Leon Flicker, Graeme J. Hankey, Christopher Etherton-Beer, Bu B. Yeap, and Jonathan Golledge, indicating ongoing partnerships across related research areas.

Almeida's publications appear regularly in journals focusing on geriatric and mental health topics. Frequently published venues include Maturitas, American Journal of Geriatric Psychiatry, Alzheimer's & Dementia, International Journal of Geriatric Psychiatry, and Journal of Alzheimer's Disease.

The main research topics explored by Almeida comprise:

  • Bipolar Disorder and Treatment
  • Health disparities and outcomes
  • Stroke Rehabilitation and Recovery
  • Dementia and Cognitive Impairment Research
  • Frailty in Older Adults
  • Adolescent and Pediatric Healthcare
  • Acute Ischemic Stroke Management

The breadth of Almeida's work reflects a strong interdisciplinary approach, intersecting psychiatry, neurology, and gerontology. This is aligned with the range of subfields such as epidemiology and general health professions that are part of their academic focus.

Best Publications

  • Effect of physical activity on cognitive function in older adults at risk for Alzheimer disease: a randomized trial.

    Nicola T Lautenschlager;Kay L Cox;Leon Flicker;Jonathan K Foster

  • Short versions of the Geriatric Depression Scale: A study of their validity for the diagnosis of a Major Depressive Episode according to ICD-10 and DSM-IV

    Osvaldo P. Almeida;Shirley A. Almeida

  • Confiabilidade da versão brasileira da Escala de Depressão em Geriatria (GDS) versão reduzida

    Osvaldo P. Almeida;Shirley A. Almeida

  • Efficacy of estradiol for the treatment of depressive disorders in perimenopausal women: a double-blind, randomized, placebo-controlled trial.

    Cláudio de Novaes Soares;Osvaldo P. Almeida;Hadine Joffe;Lee S. Cohen

  • Association between alcohol and cardiovascular disease:Mendelian randomisation analysis based on individual participant data

    Michael V Holmes;Michael V Holmes;Caroline E Dale;Luisa Zuccolo;Richard J Silverwood

  • The Mini-Mental State Examination and the Diagnosis of Dementia in Brazil

    Osvaldo P. Almeida

  • Reliability of the Brazilian version of the Geriatric Depression Scale (GDS) short form

    Osvaldo P. Almeida;Shirley A. Almeida

  • The assessment of insight in psychosis.

    Anthony David;Alec Buchanan;Alison Reed;Osvaldo Almeida

  • A systematic review of the association between the Behavioral and Psychological Symptoms of Dementia and burden of care.

    Warwick Black;Osvaldo P. Almeida

  • Effect modification by population dietary folate on the association between MTHFR genotype, homocysteine, and stroke risk: a meta-analysis of genetic studies and randomised trials.

    Michael V. Holmes;Paul Newcombe;Paul Newcombe;Jaroslav A. Hubacek;Reecha Sofat

  • Long-term effects of childhood abuse on the quality of life and health of older people : results from the Depression and early prevention of suicide in general practice project

    Brian Draper;Jon J Pfaff;Jane E Pirkis;John Snowdon

  • Lower Testosterone Levels Predict Incident Stroke and Transient Ischemic Attack in Older Men

    Bu B. Yeap;Bu B. Yeap;Zoë Hyde;Osvaldo P. Almeida;Paul E. Norman

  • Low free testosterone predicts frailty in older men: the health in men study.

    Zoë Hyde;Leon Flicker;Osvaldo P. Almeida;Osvaldo P. Almeida;Graeme J. Hankey;Graeme J. Hankey

  • One year follow-up study of the association between chemical castration, sex hormones, beta-amyloid, memory and depression in men.

    Osvaldo P Almeida;Anna Waterreus;Nigel Spry;Leon Flicker

  • Body mass index and survival in men and women aged 70 to 75

    Leon Flicker;Kieran A. McCaul;Graeme J. Hankey;Konrad Jamrozik

  • Psychiatric, neurological and medical aspects of misidentification syndromes: a review of 260 cases.

    Hans Förstl;Osvaldo P. Almeida;Adrian M. Owen;Alistair Burns

  • Smoking as a risk factor for Alzheimer's disease: contrasting evidence from a systematic review of case-control and cohort studies

    Osvaldo P. Almeida;Gary K. Hulse;David Lawrence;Leon Flicker

  • The mind of a failing heart: a systematic review of the association between congestive heart failure and cognitive functioning

    O. P. Almeida;L. Flicker

  • A voxel-based morphometry study of temporal lobe gray matter reductions in Alzheimer's disease.

    Geraldo F Busatto;Griselda E.J Garrido;Osvaldo P Almeida;Claudio C Castro

  • Severe hypoglycaemia and cognitive impairment in older patients with diabetes: the Fremantle Diabetes Study

    David Bruce;Wendy Davis;G.P. Casey;R.M. Clarnette

Frequent Co-Authors

Leon Flicker
Leon Flicker University of Western Australia
Graeme J. Hankey
Graeme J. Hankey University of Western Australia
Nicola T. Lautenschlager
Nicola T. Lautenschlager University of Melbourne
Jonathan Golledge
Jonathan Golledge James Cook University
Robert Howard
Robert Howard University College London
Hans Förstl
Hans Förstl Technical University of Munich
Ralph N. Martins
Ralph N. Martins Edith Cowan University
Konrad Jamrozik
Konrad Jamrozik University of Adelaide
John Snowdon
John Snowdon University of Sydney
Gerard J. Byrne
Gerard J. Byrne University of Queensland

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