Charles Apgar

1.5k total citations · 1 hit paper
10 papers, 503 citations indexed

About

Charles Apgar is a scholar working on Psychiatry and Mental health, Radiology, Nuclear Medicine and Imaging and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Charles Apgar has authored 10 papers receiving a total of 503 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Psychiatry and Mental health, 4 papers in Radiology, Nuclear Medicine and Imaging and 3 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Charles Apgar's work include Dementia and Cognitive Impairment Research (7 papers), Medical Imaging Techniques and Applications (3 papers) and Frailty in Older Adults (3 papers). Charles Apgar is often cited by papers focused on Dementia and Cognitive Impairment Research (7 papers), Medical Imaging Techniques and Applications (3 papers) and Frailty in Older Adults (3 papers). Charles Apgar collaborates with scholars based in United States. Charles Apgar's co-authors include Gil D. Rabinovici, Barry A. Siegel, Rachel A. Whitmer, Bruce E. Hillner, María C. Carrillo, Lucy Hanna, Ilana F. Gareen, Justin Romanoff, Constantine Gatsonis and James A. Hendrix and has published in prestigious journals such as JAMA, NeuroImage and Neurology.

In The Last Decade

Charles Apgar

10 papers receiving 491 citations

Hit Papers

align trajectories

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.

Association of Amyloid Positron Emission Tomography With Subsequent Change in Clinical Management Among Medicare Beneficiaries With Mild Cognitive Impairment or Dementia

2019 369 citations Gil D. Rabinovici, Constantine Gatsonis et al. JAMA profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Charles Apgar United States	6	345	250	97	93	76	10	503
Orit H. Lesman‐Segev United States	9	385 1.1×	315 1.3×	133 1.4×	82 0.9×	116 1.5×	21	731
Cynthia Olson United States	4	264 0.8×	196 0.8×	61 0.6×	72 0.8×	55 0.7×	8	390
Ingrid S. van Maurik Netherlands	17	476 1.4×	253 1.0×	45 0.5×	106 1.1×	78 1.0×	42	685
Karen C. Holdridge United States	14	476 1.4×	426 1.7×	40 0.4×	99 1.1×	120 1.6×	29	826
Virginia Pappas United States	4	549 1.6×	444 1.8×	167 1.7×	125 1.3×	148 1.9×	8	764
Stefania Orini Italy	12	174 0.5×	140 0.6×	121 1.2×	36 0.4×	63 0.8×	21	498
Sabrina M. Albertson United States	9	335 1.0×	235 0.9×	64 0.7×	25 0.3×	150 2.0×	19	455
Wiesje Pelkmans Netherlands	10	201 0.6×	166 0.7×	60 0.6×	36 0.4×	75 1.0×	16	358
Szofia Bullain United States	13	386 1.1×	300 1.2×	34 0.4×	42 0.5×	48 0.6×	32	749
Ping Chiao United States	8	242 0.7×	266 1.1×	101 1.0×	42 0.5×	84 1.1×	19	436

Countries citing papers authored by Charles Apgar

Since Specialization

Citations

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

Fields of papers citing papers by Charles Apgar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Charles Apgar. 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 Charles Apgar. The network helps show where Charles Apgar may publish in the future.

Co-authorship network of co-authors of Charles Apgar

This figure shows the co-authorship network connecting the top 25 collaborators of Charles Apgar. A scholar is included among the top collaborators of Charles Apgar 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 Charles Apgar. Charles Apgar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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10 of 10 papers shown

Allen, Bibb, Kendall Schmidt, Etta D. Pisano, et al.. (2023). Specialty Society Support for Multicenter Research in Artificial Intelligence. Academic Radiology. 30(4). 640–643. 1 indexed citations

Rabinovici, Gil D., María C. Carrillo, Charles Apgar, et al.. (2023). Amyloid Positron Emission Tomography and Subsequent Health Care Use Among Medicare Beneficiaries With Mild Cognitive Impairment or Dementia. JAMA Neurology. 80(11). 1166–1166. 7 indexed citations

Mundada, Nidhi S., Renaud La Joie, Charles Apgar, et al.. (2022). Quantitative analysis of 6,150 real‐world amyloid Positron Emission Tomography (PET) scans from the Imaging Dementia–Evidence for Amyloid Scanning (IDEAS) study. Alzheimer s & Dementia. 18(S6). 2 indexed citations

Wilkins, Consuelo H., Charles Windon, Peggye Dilworth‐Anderson, et al.. (2022). Racial and Ethnic Differences in Amyloid PET Positivity in Individuals With Mild Cognitive Impairment or Dementia. JAMA Neurology. 79(11). 1139–1139. 65 indexed citations

Iaccarino, Leonardo, Renaud La Joie, Robert A. Koeppe, et al.. (2021). rPOP: Robust PET-only processing of community acquired heterogeneous amyloid-PET data. NeuroImage. 246. 118775–118775. 34 indexed citations

Rabinovici, Gil D., Constantine Gatsonis, Charles Apgar, et al.. (2019). Amyloid PET Leads to Frequent Changes in Management of Cognitively Impaired Patients: the Imaging Dementia—Evidence for Amyloid Scanning (IDEAS) Study (Plen01.001). Neurology. 92(15_supplement). 3 indexed citations

Billatos, Ehab, Fenghai Duan, Elizabeth Moses, et al.. (2019). Detection of early lung cancer among military personnel (DECAMP) consortium: study protocols. BMC Pulmonary Medicine. 19(1). 59–59. 15 indexed citations

Rabinovici, Gil D., Constantine Gatsonis, Charles Apgar, et al.. (2019). Association of Amyloid Positron Emission Tomography With Subsequent Change in Clinical Management Among Medicare Beneficiaries With Mild Cognitive Impairment or Dementia. JAMA. 321(13). 1286–1286. 369 indexed citations breakdown →

Lesman‐Segev, Orit H., Lucy Hanna, Renaud La Joie, et al.. (2019). IC‐P‐012: PREDICTORS OF β‐AMYLOID POSITIVITY IN COGNITIVELY IMPAIRED PATIENTS: DATA FROM THE IMAGING DEMENTIA — EVIDENCE FOR AMYLOID SCANNING (IDEAS) STUDY. Alzheimer s & Dementia. 15(7S_Part_1). 1 indexed citations

10.

Rabinovici, Gil D., Constantine Gatsonis, Charles Apgar, et al.. (2017). [DT‐01–01]: IMPACT OF AMYLOID PET ON PATIENT MANAGEMENT: EARLY RESULTS FROM THE IDEAS STUDY. Alzheimer s & Dementia. 13(7S_Part_30). 6 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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