Abstract:
Objectives: The three dimensional (3D) endoscope is considered
as a new surgical tool which used in different approaches in intranasal
and anterior skull base surgical procedures. There are many advantages
of the 3D endoscopy over the two dimensional (2D) one that have been
demonstrated along clinical applications, surgical training and
different experimental studies. Our study aimed to show the difference
between using the 3D & 2D endoscopes during endonasal and anterior
skull base surgery and its importance specially when used by novice
users.
Design: Our study is divided into two phases (clinical &
cadaveric phases).In the clinical study we have done 52 endonasal &
anterior skull base surgical procedures (26 study cases and 26 control
cases).We recorded accuracy, duration and intraoperative complication
for each case. The cadaveric study was performed on three cadavers,
difference in accuracy and dissection time were recorded using 3D & 2D
endoscopy for each side chosen by randomization.
Results: In the clinical study, the cases done by 3D endoscope
were significantly faster and more accurate with less intraoperative
complications compared to cases done using 2D endoscope. In cadaveric
dissection while using 3D endoscope there was better depth of perception
regarding the anatomical landmarks compared to 2D endoscope.
Conclusion: 3D endoscopy is an advanced instrument that
allowmay better training for the coming generation of ENT surgeons. Both
clinical and cadaveric studies offer a promising outcome in both
endonasal and anterior skull base surgery.