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Original Article

Assessing perioperative complications associated with use of intraoperative magnetic resonance imaging during glioma surgery – a single centre experience with 516 cases

, , , , &
Pages 397-400 | Received 06 Mar 2015, Accepted 29 Feb 2016, Published online: 23 Mar 2016
 

Abstract

Background: Intraoperative magnetic resonance imaging (io-MRI) improves the extent of glioma resection. Due to the magnetic field, patients have to be covered with sterile drape and are then transferred into an io-MRI chamber, where ferromagnetic anaesthesia monitors and machines must be kept at distance and can only be applied with limitations. Despite the development of specific paramagnetic equipment for io-MRI use, this method is suspected to carry a higher risk for anaesthesiological and surgical complications. Particularly, serial draping and un-draping cycles as well as the extended surgery duration might increase the risk of perioperative infection. Objective: Given the importance of io-MRI for glioma surgery, the question regarding io-MRI safety needs to be answered. Methods: We prospectively evaluate the perioperative anaesthesiological and surgical complications for 516 cases of brain tumour surgery involving io-MRI (MRI cohort). As a control group, we evaluate a cohort of 610 cases of brain tumour surgery, performed without io-MRI (control group). Results: The io-MRI procedure (including draping/undraping, transfer to and from the MRI cabinet and io-MRI scan) significantly extended surgery, defined as “skin to skin” time, by 57 min (SD = 16 min) (p ≤ 0.01). Still, we show low and comparable rates of surgical complications in the MRI cohort and the control group. Postoperative haemorrhage (3.7% versus 3.0% in MRI cohort versus control group; p = 0.49) and infections (2.2% versus 1.8% in MRI cohort versus control group; p = 0.69) were not significantly different between both groups. No anaesthesiological disturbances were reported. Conclusion: Despite prolonged surgery and serial draping and un-draping cycles, io-MRI was not linked to higher rates of infections and postoperative haemorrhage in this study.

Disclosure statement

The authors report no declarations of interest. Conception, design and conduct of the study: J.R., B.C., D.H., R.J., B.B. and A.U. Data collection and interpretation: J.R., B.C., D.H., R.J., B.B. and A.U. Writing and final approval of article: J.R., B.C., D.H., R.J., B.B. and A.U.

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