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The safety of magnetic resonance imaging: an analysis based on a review of incidents at the Osatek Center
Ist Teil von
Radiología, 2006-07, Vol.48 (4), p.225-234
Ort / Verlag
Spain
Erscheinungsjahr
2006
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
To evaluate the dangers to persons in a magnetic resonance imaging (MRI) environment and review Osatek's safety policies.
We review and analyze the incidents occurring throughout our organization from 1994 to 2004 to establish their frequency, causal risk, and effects. Incident registers were implemented in all units in 2001. Data for the initial period prior to 2001 were derived from a survey of Unit Chiefs. We also reviewed other registers (complaints, malpractice suits, Health and Safety Committee).
We identified 176 incidentes, 20.4% attributable to specific risks inherent in MRI (missile effect, quench, burns, introduction of patients with contraindications), 69.9% to the injection of contrast agents (adverse reactions and allergies, extravasations), and 9.7% to general risks (medical complications, anxiety, trauma). Among specific risks, the most common was burns, while the incident with greatest potential risk was the missile effect. People were affected in 87% of the incidents; effects on persons were minor in all cases, although one incident occasioned a lawsuit. We consider that 25% of the incidents involving potential or real risks could have been avoided.
Although MRI is a safe technique, it is necessary to establish a safety policy based on preventive measures and staff training to minimize incidents and their effects. The implementation of a quality assurance program provides a starting point that can help to improve the safety of MRI by implementing written registers of incidents.