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Paper Information

Journal:   IRANIAN RED CRESCENT MEDICAL JOURNAL (IRCMJ)   MAY 2014 , Volume 16 , Number 5; Page(s) 1 To 6.
 
Paper: 

INDICATIONS AND OVERUSE OF COMPUTED TOMOGRAPHY IN MINOR HEAD TRAUMA

 
 
Author(s):  ZARGAR BALAYE JAME SANAZ, MAJDZADEH REZA, AKBARI SARI ALI*, RASHIDIAN ARASH, ARAB MOHAMMAD, RAHMANI HOJJAT
 
* DEPARTMENT OF HEALTH MANAGEMENT AND ECONOMICS, AND KNOWLEDGE UTILIZATION RESEARCH CENTER, SCHOOL OF PUBLIC HEALTH, TEHRAN UNIVERSITY OF MEDICAL SCIENCES, POORSINA ST, TEHRAN, IR IRAN
 
Abstract: 

Background: Computed Tomography (CT) is a useful diagnostic technology, particularly in accident and emergency departments.
Objectives: To identify a comprehensive list of indications for application of CT in patients with minor head trauma (MHT) and to determine appropriateness of its use on the basis of this list.
Materials and Methods: A cross-sectional study was conducted in three Imaging centers in Tehran. A panel of experts developed a list of CT indications for MHT by reviewing documents. A pre-structured checklist was designed and incorporated into a structured form. Four hundred consecutive patients referring to three imaging centers for performing CT due to MHT completed the questionnaire.
Results: Of 400 patients who underwent CT after MHT, 187 (46.8%) patients had Glasgow coma scale (GCS) score of 13 or 14 at two hours post-trauma and 37 (19.8%) of these patients did not have any indication of imaging. In addition, 213 (53.2%) patients had GCS score of 15 out of which 110 (51.6%) patients did not have any indication of imaging. Patients with a GCS score of 15 had a noticeably lower proportion of abnormal CT results in comparison to patients with a GCS score of 13 or 14, (odds ratio, 19.07, 95% confidence interval, 6.74-54.00, and P < 0.001). There was a statistically significant association between abnormal CT results and the presence of indications including vomiting, dangerous mechanism of injury, visible signs of trauma above the clavicles, signs of skull base fracture, and suspected skull fracture (P<0.001).
Conclusions: On average, about 37% of the patients with MHT referring to the emergency departments had no indication of CT and approximately 86.5% of CT results were normal. Improving this situation can result in a significant saving in health care costs.

 
Keyword(s): TOMOGRAPHY, X-RAY COMPUTED, CRANIOCEREBRAL TRAUMA, INDICATION, ABNORMAL
 
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