Evidence map›Paper›PMID 33456691›Full record

ReviewCraniomaxillofacial trauma & reconstruction2020

Etiopathogenesis of Trismus in Patients With Head and Neck Cancer: An Exploratory Literature Review.

Radhu Raj, Krishnakumar Thankappan, Chandrasekhar Janakiram, Subramania Iyer, Anil Mathew

Abstract readReview
In one paragraph

Review in Craniomaxillofacial trauma & reconstruction, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed.

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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

5 authors.

Radhu RajDepartment of Prosthodontics, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.
Krishnakumar ThankappanDepartment of Head and Neck Surgery and Oncology, Amrita Institute of Medical Sciences, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.ORCID https://orcid.org/0000-0001-5999-0422
Chandrasekhar JanakiramDepartment of Public Health Dentistry, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.
Subramania IyerDepartment of Head and Neck Surgery and Oncology, Amrita Institute of Medical Sciences, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.
Anil MathewDepartment of Prosthodontics, Amrita School of Dentistry, Amrita Vishwa Vidyapeetham, Kochi, Kerala, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Trismus refers to a person's inability to normally open his or her mouth. Trismus can occur as a symptom due to tumor ingrowth or it can occur postsurgical following the treatment for head and neck cancer. Radiation-induced trismus is also a relatively common oral complication. This review aimed at reviewing the etiopathogenesis of trismus in patients with head and neck cancer. Of the 16 publications included after final screening, of which one was a nonrandomized control trial, one a randomized control trial, 6 prospective cohort studies, and 8 retrospective cohort studies. Among them, 6 articles addressed the possible mechanism for trismus related to tumor ingrowth, 8 articles suggested the likely reason for trismus in patients who had undergone radiation therapy and 2 articles addressed the postsurgical cause for trismus. This review highlights the possible involvement of infratemporal fossa as a predetermining factor for developing trismus related to tumor extension. The molecular mechanism of radiation-induced fibrosis is well studied in the literature.

Indexed as

head and neck cancerpathogenesisradiation-induced fibrosissystematic reviewtrismus

Identifiers

PMID33456691
PMCPMC7797966

What OpenQuestion holds

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Registered trials

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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.