Robot-assisted radiofrequency ablation of primary and secondary liver tumours: early experience

Objective Computed tomography (CT)-compatible robots, both commercial and research-based, have been developed with the intention of increasing the accuracy of needle placement and potentially improving the outcomes of therapies in addition to reducing clinical staff and patient exposure to radiation...

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Bibliographic Details
Published in:European radiology 2014-01, Vol.24 (1), p.79-85
Main Authors: Abdullah, Basri Johan Jeet, Yeong, Chai Hong, Goh, Khean Lee, Yoong, Boon Koon, Ho, Gwo Fuang, Yim, Carolyn Chue Wai, Kulkarni, Anjali
Format: Article
Language:English
Subjects:
Ablation
Accuracy
Adult
Aged
Aged, 80 and over
Biopsy
Catheter Ablation - methods
Diagnostic Radiology
Drug dosages
Female
Fluoroscopy
Humans
Imaging
Internal Medicine
Interventional
Interventional Radiology
Liver cancer
Liver Neoplasms - diagnosis
Liver Neoplasms - surgery
Male
Medical ethics
Medicine
Medicine & Public Health
Middle Aged
Navigation systems
Neuroradiology
Patients
Planning
Radiation
Radiology
Reproducibility of Results
Robotics
Robots
Surgery, Computer-Assisted - methods
Tomography
Tomography, X-Ray Computed
Treatment Outcome
Tumors
Ultrasound
Work stations
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Summary:Objective Computed tomography (CT)-compatible robots, both commercial and research-based, have been developed with the intention of increasing the accuracy of needle placement and potentially improving the outcomes of therapies in addition to reducing clinical staff and patient exposure to radiation during CT fluoroscopy. In the case of highly inaccessible lesions that require multiple plane angulations, robotically assisted needles may improve biopsy access and targeted drug delivery therapy by avoidance of the straight line path of normal linear needles. Methods We report our preliminary experience of performing radiofrequency ablation of the liver using a robotic-assisted CT guidance system on 11 patients (17 lesions). Results/Conclusion Robotic-assisted planning and needle placement appears to have high accuracy, is technically easier than the non-robotic-assisted procedure, and involves a significantly lower radiation dose to both patient and support staff. Key Points • An early experience of robotic-assisted radiofrequency ablation is reported • Robotic-assisted RFA improves accuracy of hepatic lesion targeting • Robotic-assisted RFA makes the procedure technically easier with significant lower radiation dose
ISSN:0938-7994
1432-1084
DOI:10.1007/s00330-013-2979-7