Charles N. Aprill

11.0k total citations · 3 hit papers
66 papers, 7.4k citations indexed

About

Charles N. Aprill is a scholar working on Pathology and Forensic Medicine, Pharmacology and Surgery. According to data from OpenAlex, Charles N. Aprill has authored 66 papers receiving a total of 7.4k indexed citations (citations by other indexed papers that have themselves been cited), including 57 papers in Pathology and Forensic Medicine, 47 papers in Pharmacology and 32 papers in Surgery. Recurrent topics in Charles N. Aprill's work include Spine and Intervertebral Disc Pathology (56 papers), Musculoskeletal pain and rehabilitation (47 papers) and Anesthesia and Pain Management (13 papers). Charles N. Aprill is often cited by papers focused on Spine and Intervertebral Disc Pathology (56 papers), Musculoskeletal pain and rehabilitation (47 papers) and Anesthesia and Pain Management (13 papers). Charles N. Aprill collaborates with scholars based in United States, Australia and Sweden. Charles N. Aprill's co-authors include Nikolai Bogduk, Anthony C. Schwarzer, Joseph D. Fortin, Richard Derby, Mark Laslett, Garrett Kine, Barry McDonald, Sharon B. Young, John Pier and Paul Dreyfuss and has published in prestigious journals such as Journal of Bone and Joint Surgery, Pain and Spine.

In The Last Decade

Charles N. Aprill

64 papers receiving 6.6k citations

Hit Papers

The Sacroiliac Joint in Chronic Low Back Pain 1992 2026 2003 2014 1995 1995 1992 200 400 600
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. The Sacroiliac Joint in Chronic Low Back Pain
    1995 675 citations Anthony C. Schwarzer, Charles N. Aprill et al. Spine profile →
  2. The Prevalence and Clinical Features of Internal Disc Disruption in Patients With Chronic Low Back Pain
    1995 575 citations Anthony C. Schwarzer, Charles N. Aprill et al. Spine profile →
  3. High-intensity zone: a diagnostic sign of painful lumbar disc on magnetic resonance imaging
    1992 459 citations Charles N. Aprill, Nikolai Bogduk profile →

Peers

Charles N. Aprill
Richard Derby United States
Paul Dreyfuss United States
Olle Hägg Sweden
Peter Fritzell Sweden
Helena Brisby Sweden
Joseph D. Fortin United States
Seppo Seitsalo Finland
Sang‐Ho Lee South Korea
Richard D. Guyer United States
Sam W. Wiesel United States
Richard Derby United States
Charles N. Aprill
Citations per year, relative to Charles N. Aprill Charles N. Aprill (= 1×) peers Richard Derby

Countries citing papers authored by Charles N. Aprill

Since Specialization
Citations

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

Fields of papers citing papers by Charles N. Aprill

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Charles N. Aprill

This figure shows the co-authorship network connecting the top 25 collaborators of Charles N. Aprill. A scholar is included among the top collaborators of Charles N. Aprill 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 N. Aprill. Charles N. Aprill 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.
Maus, Timothy P. & Charles N. Aprill. (2012). Lumbar Diskogenic Pain, Provocation Diskography, and Imaging Correlates. Radiologic Clinics of North America. 50(4). 681–704. 23 indexed citations
2.
Derby, Richard, Charles N. Aprill, Jeong Eun Lee, Michael J. DePalma, & Ray M. Baker. (2012). Comparison of Four Different Analgesic Discogram Protocols Comparing the Incidence of Reported Pain Relief Following Local Anesthetic Injection into Concordantly Painful Lumbar Intervertebral Discs. Pain Medicine. 13(12). 1547–1553. 15 indexed citations
3.
4.
Dreyfuss, Paul, et al.. (2009). The Significance of Multifidus Atrophy After Successful Radiofrequency Neurotomy for Low Back Pain. PM&R. 1(8). 719–722. 37 indexed citations
5.
Bogduk, Nikolai, Paul Dreyfuss, Ray M. Baker, et al.. (2008). Complications of Spinal Diagnostic and Treatment Procedures. Pain Medicine. 9(suppl 1). S11–S34. 67 indexed citations
6.
Laslett, Mark, Barry McDonald, Charles N. Aprill, Hans Tropp, & Birgitta Öberg. (2006). Clinical predictors of screening lumbar zygapophyseal joint blocks: development of clinical prediction rules. The Spine Journal. 6(4). 370–379. 98 indexed citations
7.
Derby, Richard, Sang‐Heon Lee, Byung‐Jo Kim, et al.. (2005). Pressure-Controlled Lumbar Discography in Volunteers Without Low Back Symptoms. Pain Medicine. 6(3). 213–221. 62 indexed citations
8.
Aprill, Charles N., et al.. (2005). Percutaneous Puncture of Zygapophysial Joint Synovial Cyst with Fluoroscopic Guidance. Pain Medicine. 6(2). 122–128. 10 indexed citations
9.
10.
Laslett, Mark, Birgitta Öberg, Charles N. Aprill, & Barry McDonald. (2004). Zygapophysial joint blocks in chronic low back pain: a test of Revel's model as a screening test. BMC Musculoskeletal Disorders. 5(1). 43–43. 72 indexed citations
11.
Young, Sharon B., Charles N. Aprill, & Mark Laslett. (2003). Correlation of clinical examination characteristics with three sources of chronic low back pain. The Spine Journal. 3(6). 460–465. 196 indexed citations
12.
Laslett, Mark, Sharon B. Young, Charles N. Aprill, & Barry McDonald. (2003). Diagnosing painful sacroiliac joints: A validity study of a McKenzie evaluation and sacroiliac provocation tests. Australian Journal of Physiotherapy. 49(2). 89–97. 206 indexed citations
13.
Vanharanta, Heikki, Donna D. Ohnmeiss, & Charles N. Aprill. (1998). Vibration Pain Provocation Can Improve the Specificity of MRI in the Diagnosis of Symptomatic Lumbar Disc Rupture. Clinical Journal of Pain. 14(3). 239–247. 19 indexed citations
14.
Schwarzer, Anthony C., Charles N. Aprill, & Nikolai Bogduk. (1995). The Sacroiliac Joint in Chronic Low Back Pain. Spine. 20(1). 31–37. 675 indexed citations breakdown →
15.
Schwarzer, Anthony C., Charles N. Aprill, Richard Derby, et al.. (1994). Clinical Features of Patients with Pain Stemming from the Lumbar Zygapophysial Joints. Spine. 19(Supplement). 1132–1137. 381 indexed citations
16.
Wetzel, F. Todd, et al.. (1994). The Treatment of Lumbar Spinal Pain Syndromes Diagnosed by Discography. Spine. 19(7). 792–800. 83 indexed citations
17.
Schwarzer, Anthony C., Charles N. Aprill, Richard Derby, et al.. (1994). The false-positive rate of uncontrolled diagnostic blocks of the lumbar zygapophysial joints. Pain. 58(2). 195–200. 274 indexed citations
18.
Schwarzer, Anthony C., Charles N. Aprill, Richard Derby, et al.. (1994). The Relative Contributions of the Disc and Zygapophyseal Joint in Chronic Low Back Pain. Spine. 19(7). 801–806. 299 indexed citations
19.
Aprill, Charles N., et al.. (1992). Abnormal Instantaneous Axes of Rotation in Patients with Neck Pain. Spine. 17(7). 748–756. 88 indexed citations
20.
Vanharanta, Heikki, Richard D. Guyer, Donna D. Ohnmeiss, et al.. (1988). Disc Deterioration in Low-Back Syndromes. Spine. 13(12). 1349–1351. 64 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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