Single-Surgeon Direct Comparison of O-arm Neuronavigation versus Mazor X Robotic-Guided Posterior Spinal Instrumentation

We sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal fusion. A retrospective review of institutional data collected from a single surgeon was used to compare surgical outcomes between O-arm neuronavigation a...

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Published inWorld neurosurgery Vol. 137; pp. e278 - e285
Main Authors Mao, Gordon, Gigliotti, Michael J., Myers, Daniel, Yu, Alexander, Whiting, Donald
Format Journal Article
LanguageEnglish
Published United States Elsevier Inc 01.05.2020
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Abstract We sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal fusion. A retrospective review of institutional data collected from a single surgeon was used to compare surgical outcomes between O-arm neuronavigation and the Mazor X robotic-assistance system for placement of posterior spinal instrumentation in a consecutive series of patients. Univariate statistical significance testing compared time spent in the operating room, blood loss, screw accuracy, and wound healing. Between January 2017 and February 2019, 46 O-arm cases (mean age 59.6 years ± 13.7 years) and 39 Mazor X cases (mean age 59.5 years ± 12.4 years) were conducted. Cases were classified as degenerative, infectious, oncologic, and trauma with a mean of 4.57 and 5.43 levels operated on using O-arm neuronavigation and Mazor X, respectively. Mean operative times (P = 0.124), estimated blood loss (P = 0.212), wound revision rates (P = 0.560), and clinically acceptable instrumentation placement (P = 0.076) did not demonstrate significance between the 2 groups. However, screw placement was significantly more accurate and precise (P = 1 × 10–9) with robotic assistance when considering Gertzbein-Robbins A placement. Although a trend toward greater accuracy was noticed with robotic technology when determining clinically acceptable screws, there was not a significant difference when compared with O-arm neuronavigation. However, robotic technology has a significant effect on both precision and accuracy in Gertzbein-Robbins A screw placement. Robotics does not have a clear advantage when discussing infection rates, intraoperative blood loss, or operative time.
AbstractList We sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal fusion. A retrospective review of institutional data collected from a single surgeon was used to compare surgical outcomes between O-arm neuronavigation and the Mazor X robotic-assistance system for placement of posterior spinal instrumentation in a consecutive series of patients. Univariate statistical significance testing compared time spent in the operating room, blood loss, screw accuracy, and wound healing. Between January 2017 and February 2019, 46 O-arm cases (mean age 59.6 years ± 13.7 years) and 39 Mazor X cases (mean age 59.5 years ± 12.4 years) were conducted. Cases were classified as degenerative, infectious, oncologic, and trauma with a mean of 4.57 and 5.43 levels operated on using O-arm neuronavigation and Mazor X, respectively. Mean operative times (P = 0.124), estimated blood loss (P = 0.212), wound revision rates (P = 0.560), and clinically acceptable instrumentation placement (P = 0.076) did not demonstrate significance between the 2 groups. However, screw placement was significantly more accurate and precise (P = 1 × 10 ) with robotic assistance when considering Gertzbein-Robbins A placement. Although a trend toward greater accuracy was noticed with robotic technology when determining clinically acceptable screws, there was not a significant difference when compared with O-arm neuronavigation. However, robotic technology has a significant effect on both precision and accuracy in Gertzbein-Robbins A screw placement. Robotics does not have a clear advantage when discussing infection rates, intraoperative blood loss, or operative time.
OBJECTIVEWe sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal fusion. METHODSA retrospective review of institutional data collected from a single surgeon was used to compare surgical outcomes between O-arm neuronavigation and the Mazor X robotic-assistance system for placement of posterior spinal instrumentation in a consecutive series of patients. Univariate statistical significance testing compared time spent in the operating room, blood loss, screw accuracy, and wound healing. RESULTSBetween January 2017 and February 2019, 46 O-arm cases (mean age 59.6 years ± 13.7 years) and 39 Mazor X cases (mean age 59.5 years ± 12.4 years) were conducted. Cases were classified as degenerative, infectious, oncologic, and trauma with a mean of 4.57 and 5.43 levels operated on using O-arm neuronavigation and Mazor X, respectively. Mean operative times (P = 0.124), estimated blood loss (P = 0.212), wound revision rates (P = 0.560), and clinically acceptable instrumentation placement (P = 0.076) did not demonstrate significance between the 2 groups. However, screw placement was significantly more accurate and precise (P = 1 × 10-9) with robotic assistance when considering Gertzbein-Robbins A placement. CONCLUSIONSAlthough a trend toward greater accuracy was noticed with robotic technology when determining clinically acceptable screws, there was not a significant difference when compared with O-arm neuronavigation. However, robotic technology has a significant effect on both precision and accuracy in Gertzbein-Robbins A screw placement. Robotics does not have a clear advantage when discussing infection rates, intraoperative blood loss, or operative time.
We sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal fusion. A retrospective review of institutional data collected from a single surgeon was used to compare surgical outcomes between O-arm neuronavigation and the Mazor X robotic-assistance system for placement of posterior spinal instrumentation in a consecutive series of patients. Univariate statistical significance testing compared time spent in the operating room, blood loss, screw accuracy, and wound healing. Between January 2017 and February 2019, 46 O-arm cases (mean age 59.6 years ± 13.7 years) and 39 Mazor X cases (mean age 59.5 years ± 12.4 years) were conducted. Cases were classified as degenerative, infectious, oncologic, and trauma with a mean of 4.57 and 5.43 levels operated on using O-arm neuronavigation and Mazor X, respectively. Mean operative times (P = 0.124), estimated blood loss (P = 0.212), wound revision rates (P = 0.560), and clinically acceptable instrumentation placement (P = 0.076) did not demonstrate significance between the 2 groups. However, screw placement was significantly more accurate and precise (P = 1 × 10–9) with robotic assistance when considering Gertzbein-Robbins A placement. Although a trend toward greater accuracy was noticed with robotic technology when determining clinically acceptable screws, there was not a significant difference when compared with O-arm neuronavigation. However, robotic technology has a significant effect on both precision and accuracy in Gertzbein-Robbins A screw placement. Robotics does not have a clear advantage when discussing infection rates, intraoperative blood loss, or operative time.
Author Whiting, Donald
Myers, Daniel
Gigliotti, Michael J.
Yu, Alexander
Mao, Gordon
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BackLink https://www.ncbi.nlm.nih.gov/pubmed/32014548$$D View this record in MEDLINE/PubMed
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Keywords Mazor X
O-arm
CT
Spine
MIS
Neuronavigation
GR
Robotics
EBL
Language English
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Snippet We sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal fusion. A...
OBJECTIVEWe sought to compare intraoperative surgical instrumentation techniques with image-guidance versus robotic-guided procedures for posterior spinal...
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StartPage e278
SubjectTerms Mazor X
Neuronavigation
O-arm
Robotics
Spine
Title Single-Surgeon Direct Comparison of O-arm Neuronavigation versus Mazor X Robotic-Guided Posterior Spinal Instrumentation
URI https://dx.doi.org/10.1016/j.wneu.2020.01.175
https://www.ncbi.nlm.nih.gov/pubmed/32014548
https://search.proquest.com/docview/2350910138
Volume 137
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