SCIENTIFIC CLINICAL DATA

RUBRIK

ASTONISHING NEW DATA


The unprotected head of endovascular operators, such as radiologists, cardiologists and surgeons, is one of the most exposed area during X-ray guided surgical interventions. There is an ongoing discussion about the risk of left-sided brain tumors among physicians performing interventional procedures (Roguin et al. 2013). As circulatory diseases of the heart and brain may occur when exposed to too much ionizing radiation, there is a recommendation of a threshold of 0,5 Gy, (ICRP, 2012). 

The occupational dose limit for the eyes was reduced from 150 to 20mSv/year for exposed personnel. Additional head protection is therefore rationally reasonable, however, there is no established protection device for the head and neck region beside lead glasses. Therefore, Prof Rohde (on the left in img) and Dr Bärenfänger (on the right in img) decided to examine the amount of radiation and assess the potential effect of the novel Texray head protectors during interventional radiological and neuro-radiological procedures. 

The Dortmund study in short

The dose exposure in the head area of medical practitioners during interventional radiology procedures was quantified. The study showed dose values of up to 4.4 mSv after only 20 examinations. In addition, the protective effect of the Texray two-component solution, HeadPeace and MindPeace, was determined by evaluating the relative transmission depending on the dosimeter position. It was concluded that the attenuation efficiency ranged from 76-97% depending on the product and operational area and that from a radiation safety perspective, wearing HeadPeace and MindPeace is recommended during fluoroscopy-assisted interventions.

 “We believe that an additional device for the head area is reasonable because usage of the device yielded an effective protection. Myself I was really surprised to see how much scatter radiation is still arriving on the performing physician, although we are already using all these different lead shields and radiation protection devices,” concludes Prof. Stefan Rohde.

The detailed result of the Dortmund study was presented at CIRSE Summit on September 25th 2021. 

To view the lecturer please visit CIRSE.org (login required) 
For more information on the study please contact Prof. Stefan Rohde, Dortmund Hospital, Germany. 

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