Does a remote control injection system for kyphoplasty reduce radiation? — 5 things to know

Spine

Could a remote control injection system reduce radiation exposure during kyphoplasty?

A new study published in Spine examines 44 patients who underwent single-level osteoporotic vertebral compression with kyphoplasty. Half the patients were assigned to the remote control injection system while the others were not.

 

The researchers found:

 

1. Radiation doses among the patients who underwent kyphoplasty without the remote control injection system reported radiation doses at:

 

• Eyes: 1.132±0.104 mSv
• Thyroid: 0.647±0.049 mSv
• Right wrist: 0.578±0.056 mSv
• 1.877±0.214 mSv

 

2. When surgeons used the remote control injection system, reported radiation doses were at:

 

• Eyes: 0.257±0.067 mSv
• Thyroid: 0.201±0.049
• Right wrist: 0.145±0.033 mSv
• 0.353±0.046

 

3. The resident surgeon received higher radiation doses than the chief surgeon when the remote control injection system wasn't used. When the remote control injection system was used, both surgeons received similar doses of radiation.

 

4. The proportion average fluoroscopic time devoted to the bone cement injection step from the group without the remote control injection system was 64 percent while the group with the remote control injection system was 63 percent.

 

5. The average proportion for radiation doses during the bone injection step was 66 percent in the group without the remote control injection system; it was 36 percent in the group with the remote control injection system.

 

6. The postoperative visual analogue scale score was significantly lower in both groups when compared with the preoperative VAS.

 

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