Evidence map›Paper›PMID 12368635›Full record

ArticleThe Laryngoscope2002

Relative risk of stroke in head and neck carcinoma patients treated with external cervical irradiation.

Jeffrey C Haynes, Mitchell Machtay, Randal S Weber, Gregory S Weinstein, Ara A Chalian, David I Rosenthal

Registry-linked trialAbstract read
PubMed Publisher
In one paragraph

Article in The Laryngoscope, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02114697 (Accelerated Atherosclerosis in High Risk Population Groups), which is not on this map. Cited by 43 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 6 pooled it
2.0field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT02114697 phase4terminatedstarted 2014, after this paper: background citation

Accelerated Atherosclerosis in High Risk Population Groups: An Assessment by Magnetic Resonance Imaging

Ran2014Enrolled9Registered outcomes1Posted comparisons0ConditionsAtherosclerosisArmsLifestyle Modification, Statin therapy
Open the trial in the graph
3 · Its place in the literature

Who cites it

43 citing papers in PubMed, 6 syntheses or guidelines pooled it, 116 citations in OpenAlex.

  1. Stroke Risk in Head and Neck Cancer: A Meta-analysis of Reconstructed Individual Patient Survival Data.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2025
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  9. Diagnostic Performance of Duplex Ultrasonography in Post-Radiation Common Carotid Artery Stenosis: A Cross-Sectional Validation Study.Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2026
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  13. Radiation Vasculopathy.Cerebrovascular diseases extra · 2025
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  18. Radiation-Induced Vascular Disease-A State-of-the-Art Review.Frontiers in cardiovascular medicine · 2021
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Jeffrey C HaynesDepartment of Radiation Oncology, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania 19104, USA.
Mitchell Machtay
Randal S Weber
Gregory S Weinstein
Ara A Chalian
David I Rosenthal
University of Pennsylvania · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo determine the rate of cerebrovascular events (stroke) in patients irradiated to high doses for squamous cell carcinoma of the head and neck. STUDY

designRetrospective chart review of 413 patients treated from 1987 to 2000 with squamous cell carcinoma of the head and neck was performed to determine the risk of stroke compared with the expected rate.

methodsSurgical, radiotherapeutic, radiological, and clinical or office records of 413 patients were analyzed, and data were collected regarding clinical risk factors for stroke, irradiation parameters, and follow-up on whether or not a stroke event occurred. The actuarial risk of stroke for this population was calculated and compared with expected risk from population-based data.

resultsOf the 413 patients, 20 had strokes in follow-up, occurring between 2 and 146 months after radiotherapy. The 5-year actuarial rate of stroke was 12%, which corresponded to a relative risk of 2.09 ( P=.0007) compared with the population-based "expected" data. Median radiation therapy dose was 64 Gy; there was no correlation between radiation therapy dose and stroke risk. No correlation was identified between surgery near the carotids and stroke risk.

conclusionsAn association between high-dose cervical irradiation for squamous cell carcinoma of the head and neck and stroke is demonstrated. Although the relative risk is approximately doubled, the absolute risk is modest in comparison to the risk of cancer recurrence. Further study of this association and possible interventions is warranted.

Indexed as

AgedCarcinoma, Squamous CellCarotid ArteriesFemaleHead and Neck NeoplasmsHumansMaleMiddle AgedNeckRadiotherapy DosageRadiotherapy, High-EnergyRetrospective StudiesRisk FactorsStroke

Identifiers

PMID12368635
OpenAlexW2160805185

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.