VR & 3D printing used to prepare for lung-operation
Source: Dr Ruth Shaylor

VR & 3D printing used to prepare for lung-operation

An anaesthesia team in Israel has become one of the first to use 3D printing and virtual reality to produce an exact model of the airway of a 7-year-old girl in order to prepare properly for an operation to remove part of her lung.

The young girl required part of her right lung to be removed due to a case of Ewing’s Sarcoma (a bone and soft tissue cancer) spreading to her lung. However, because of her small size (just 18kg at the time of the operation), her doctors had concerns that conventional tubing and devices used for lung operations in older patients may not be appropriate and thus decided to use CT scans to create a virtual reality program of her airway/windpipe and lungs, and also an exact 3D printed plastic model so they could practice the operation beforehand.

“Despite extensive adult experience, our familiarity with one-lung ventilation(OLV) in the very young paediatric population is limited,” says Dr Ruth Shaylor of the Division of Anesthesia, Pain and Intensive Care, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel, the lead author on the report. “We used a combination of 3D printing and virtual reality bronchoscopy to develop a personalised airway plan reducing the potential for trial and error in airway manipulation during the operation.”

Photo
Source: Dr Ruth Shaylor

The day before surgery, the treating anaesthesiologist spent time on the virtual reality simulator familiarising himself with the patient’s airway anatomy. Thereafter, the model was used to formulate an individualised airway plan. The 3D model was made of hard plastic because the team felt that anything more flexible might mean something larger than the patient could tolerate might be used.

The VR and 3D model meant that some of the equipment originally planned for the operation was changed. After the girl was placed under anaesthesia, they were able to safely isolate and ventilate her left lung and perform the surgery to remove part of her right lung. “During the procedure, the treating anaesthesiologist reported a good correlation between the patient’s anatomy and the VR model, allowing the operation to proceed as planned,” says Dr Shaylor. “At the end of the procedure, the tubing and equipment were removed easily and the patient made an uneventful recovery.”

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