Evidence map›Paper›PMID 23181211›Full record

ArticleInternational journal of critical illness and injury science2012

Efficacy of Canadian computed tomography head rule in predicting the need for a computed-axial tomography scans among patients with suspected head injuries.

Thekkumkara Surendran Nair Anish, Pallipurathu Reghunathan Nair Sreelakshmi, Sarath Medhavan, Shahid Babu, Sambu Sugathan

Abstract read
In one paragraph

Article in International journal of critical illness and injury science, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact, top 85% 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.

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

2 citing papers in PubMed, 2 citations in OpenAlex.

  1. Efficacy of the Canadian CT Head Rule in Patients Presenting to the Emergency Department with Minor Head Injury.Indian journal of critical care medicine : peer-reviewed, official publication of Indian Society of Critical Care Medicine · 2024
    Article
  2. Article
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 at 1 institution in 1 country.

Thekkumkara Surendran Nair AnishDepartment of Community Medicine, Government Medical College, Thiruvananthapuram, Kerala, India.
Pallipurathu Reghunathan Nair Sreelakshmi
Sarath Medhavan
Shahid Babu
Sambu Sugathan
Government Medical College · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

contextThe use of imaging modalities is crucial in the diagnostic field of critical medicine. However, the ethical and economic use of these techniques has become a major concern especially in resource-poor settings. The Canadian computed tomography Head Rule (CCHR) is being increasingly used all over the world to evaluate the necessity of a Computer-assisted Tomography (CT) scan in patients with suspected head injury.

aimThe aim of the current study is to evaluate the efficacy of CCHR to predict the occurrence of head injury, as evidenced radiologically by a CT Head, at a government tertiary care clinical setting in south India. SETTING AND

designThe design was that of a hospital-based cross-sectional survey conducted at the Medical College Hospital, Thiruvananthapuram (Kerala, India). MATERIALS AND

methodsThe study subjects were patients with suspected head injury evaluated at the Surgical Casualty Department of the study setting. Fifty consecutive patients with suspected head injury were enrolled in the study. STATISTICAL ANALYSIS: The Chi-square test was used to assess the statistical significance of association between the outcome variable and the exposure characteristics. The diagnostic ability of the Glasgow Coma Scale (GCS) and CCHR were expressed in terms of sensitivity and specificity by considering CT diagnosed Head injury as the gold standard diagnostic tool.

resultsClinical manifestations as measured by a GCS score < 13 failed to significantly predict a head injury in the CT scan. However, the same became statistically significant when the CCHR was added to the GCS score as a predictor (P value < 0.001). The sensitivity of the tool in predicting a head injury rose from 23.3 to 96.7%.

conclusionThe current study suggested that the CCHR could act as an excellent decision rule to indicate the need of a CT scan. The need of a decision rule was warranted in the context of the growth of newer diagnostic imaging facilities in India.

Indexed as

canadian computed tomography Head RuleCanadian CT head rulecanadian CT head rule in Indiacomputer-assisted tomography scanhead injury

Identifiers

PMID23181211
PMCPMC3500009
OpenAlexW2119759150

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
Read underepoch 390

Registered trials

None linked

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.