Add like
Add dislike
Add to saved papers

Tool-tissue forces in Hemangioblastoma Surgery.

World Neurosurgery 2022 January 6
IMPORTANCE AND OBJECTIVES: Surgical resection of intracranial hemangioblastoma poses technical challenges which may be difficult to impart to trainees. Here, we introduce knowledge of tool-tissue forces in Newton (N), observed during hemangioblastoma surgery.

METHODS: Seven surgeons (2 groups: trainees and mentor), with mentor (n=1), and trainees (n=6, PGY 1-6 including clinical fellowship) participated in six intracranial hemangioblastoma surgeries. Using sensorized bipolar forceps, we evaluated tool-tissue force profile of five predetermined surgical tasks: (1) dissection, (2) coagulation, (3) retracting, (4) pulling, and (5) manipulating. Force profile for each trial included force duration, average, maximum, minimum, range, standard deviation (SD), and correlation coefficient. Force errors including unsuccessful trial-bleeding or incomplete were compared between surgeons and to successful trials.

RESULTS: Force data from 718 trials were collected. The mean (SD) of force used in all surgical tasks and across all surgical levels was 0.20 ± 0.17 N. The forces exerted by trainee surgeons were significantly lower than those of the mentor (0.15 vs 0.24; P < 0.0001). A total of 18 (4.5%) trials were unsuccessful, four of them being unsuccessful trial-bleeding and the rest, unsuccessful trial-incomplete. The force in unsuccessful trial-bleeding was higher than successful trials (0.3 [0.09] vs. 0.17 [0.11]; P= .0401). Towards the end of surgery higher force was observed (0.17 vs 0.20; P < 0.0001) CONCLUSIONS: The quantification of tool-tissue forces during hemangioblastoma surgery with feedback to the surgeon, could well enhance surgical training and allow avoidance of bleeding associated with high force error.

Full text links

We have located links that may give you full text access.
Can't access the paper?
Try logging in through your university/institutional subscription. For a smoother one-click institutional access experience, please use our mobile app.

For the best experience, use the Read mobile app

Mobile app image

Get seemless 1-tap access through your institution/university

For the best experience, use the Read mobile app

All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.

By using this service, you agree to our terms of use and privacy policy.

Your Privacy Choices Toggle icon

You can now claim free CME credits for this literature searchClaim now

Get seemless 1-tap access through your institution/university

For the best experience, use the Read mobile app