Respiratory motion control for stereotactic and robotic liver interventions

The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS
Gerlig WidmannReto Bale

Abstract

Control of respiratory motion is an essential prerequisite for stereotactic computer-assisted and robotic interventions in the liver. The respiratory motion control error (RMCE) of temporary disconnections of the endotracheal tube (ETT) in anaesthetized patients has been evaluated during computer tomography (CT)-guided liver punctures. Two arterial and portal phase contrast-enhanced planning CTs were obtained during one ETT disconnection. After liver puncture, a native control CT was performed during a second ETT disconnection. By image fusion, the Euclidean errors of corresponding external and internal targets were calculated as baseline measures. RMCE was obtained by subtracting the Euclidean error during one ETT disconnection from the Euclidean error during two ETT disconnections. In 26 patients, the overall mean RMCE showed 1.98 +/- 0.93 (range 0.44-4.02) mm for external targets and 1.41 +/- 0.75 (range 0.46-3.18) mm for the internal targets, without significant difference in means (p = 0.558). No complications were noted. Temporary ETT disconnections are safe and may control respiratory motion for liver interventions within 4 mm.

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Citations

Oct 24, 2013·AJR. American Journal of Roentgenology·Gerlig WidmannReto Bale
May 27, 2011·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Peter SchullianReto Bale
Aug 5, 2011·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Mu-Lien LinJaw-Lin Wang
Apr 28, 2012·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·Gerlig WidmannReto Bale
Jul 9, 2013·The International Journal of Medical Robotics + Computer Assisted Surgery : MRCAS·D WallachG Widmann
Jun 24, 2014·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·Joachim KettenbachGernot Kronreif
Nov 26, 2014·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·Joachim Kettenbach, Gernot Kronreif
Jan 18, 2012·Der Radiologe·R BaleW Jaschke
May 15, 2013·Cardiovascular and Interventional Radiology·Grzegorz ToporekGerlig Widmann
Oct 19, 2011·Cardiovascular and Interventional Radiology·Marion HaiduReto Bale
Dec 13, 2012·Cardiovascular and Interventional Radiology·Tilman SchubertSebastian Kos
Jun 18, 2019·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·David VenturiReto Bale
Nov 11, 2011·European Radiology·Reto BaleRaimund Margreiter
Nov 24, 2017·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·Roberto Luigi CazzatoAfshin Gangi

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