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Paper Information

Journal:   INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE   2014 , Volume 5 , Number 8; Page(s) 1029 To 1036.
 
Paper: 

THE EXTENT OF INAPPROPRIATE USE OF MAGNETIC RESONANCE IMAGING IN LOW BACK PAIN AND ITS CONTRIBUTORY FACTORS

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

Background: Magnetic resonance imaging (MRI) is an expensive and commonly used technology with a variety of indications in patient diagnosis and treatments. The aim of this study is to identify a comprehensive list of indications and contraindications for MRI in patients with low back pain (LBP) and to determine the appropriateness of using this technology in these patients on the basis of this list.
Methods: A cross-sectional study was conducted in four radiographic centers in Tehran, Iran. A list of MRI indications and contraindications for LBP was developed by review of documents and expert panel. A pre structured checklist was designed and incorporated into a structured form. All 100 consecutive patients referring to four radiographic centers for performing MRI regarding LBP completed the questionnaire. Chi-square, Fisher’s Exact Test and logistic Regression were used to assess statistical significance.
Results: In this study, 187 patients (46.7%) had an indication for MRI, but 186 patients (46.5%) had no indication, 18 patients (4.5%) had indication and contraindication at the same time and nine patients (2.3%) had contraindication. Moreover, 71 patients (17.8%) underwent MRI for LBP during the past 2 years, of which 14 (19.7%) had normal results. Patients with complementary private insurance had a history of previous MRI about 20% more than other patients (P=0.018). There was a statistically significant relationship between complementary private insurance coverage and number of MRI performed (P=0.006).
Conclusions: About half of the patients referring to radiographic centers with LBP for MRI had no indication for this test.

 
Keyword(s): APPROPRIATE USE, CONTRAINDICATION, LOW BACK PAIN, INDICATION, MAGNETIC RESONANCE IMAGING
 
References: 
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