FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2051233809> ?p ?o ?g. }

• W2051233809 endingPage "474" @default.
• W2051233809 startingPage "467" @default.
• W2051233809 abstract "Purpose To evaluate the added value of 6–degree of freedom (DOF) patient positioning with a robotic couch compared with 4DOF positioning for intracranial lesions and to estimate the immobilization characteristics of the BrainLAB frameless mask (BrainLAB AG, Feldkirchen, Germany), more specifically, the setup errors and intrafraction motion. Methods and Materials We enrolled 40 patients with 66 brain metastases treated with frameless stereotactic radiosurgery and a 6DOF robotic couch. Patient positioning was performed with the BrainLAB ExacTrac stereoscopic X-ray system. Positioning results were collected before and after treatment to assess patient setup error and intrafraction motion. Existing treatment planning data were loaded and simulated for 4DOF positioning and compared with the 6DOF positioning. The clinical relevance was analyzed by means of the Paddick conformity index and the ratio of prescribed isodose volume covered with 4DOF to that obtained with the 6DOF positioning. Results The mean three-dimensional setup error before 6DOF correction was 1.91 mm (SD, 1.25 mm). The rotational errors were larger in the longitudinal (mean, 0.23°; SD, 0.82°) direction compared with the lateral (mean, –0.09°; SD, 0.72°) and vertical (mean, –0.10°; SD, 1.03°) directions (p < 0.05). The mean three-dimensional intrafraction shift was 0.58 mm (SD, 0.42 mm). The mean intrafractional rotational errors were comparable for the vertical, longitudinal, and lateral directions: 0.01° (SD, 0.35°), 0.03° (SD, 0.31°), and –0.03° (SD, 0.33°), respectively. The mean conformity index decreased from 0.68 (SD, 0.08) (6DOF) to 0.59 (SD, 0.12) (4DOF) (p < 0.05). A loss of prescribed isodose coverage of 5% (SD, 0.08) was found with the 4DOF positioning (p < 0.05). Half a degree for longitudinal and lateral rotations can be identified as a threshold for coverage loss. Conclusions With a mask immobilization, patient setup error and intrafraction motions need to be evaluated and corrected for. The 6DOF patient positioning with a 6DOF robotic couch to correct translational and rotational setup errors improves target positioning with respect to treatment isocenter, which is in direct relation with the clinical outcome, compared with the 4DOF positioning. To evaluate the added value of 6–degree of freedom (DOF) patient positioning with a robotic couch compared with 4DOF positioning for intracranial lesions and to estimate the immobilization characteristics of the BrainLAB frameless mask (BrainLAB AG, Feldkirchen, Germany), more specifically, the setup errors and intrafraction motion. We enrolled 40 patients with 66 brain metastases treated with frameless stereotactic radiosurgery and a 6DOF robotic couch. Patient positioning was performed with the BrainLAB ExacTrac stereoscopic X-ray system. Positioning results were collected before and after treatment to assess patient setup error and intrafraction motion. Existing treatment planning data were loaded and simulated for 4DOF positioning and compared with the 6DOF positioning. The clinical relevance was analyzed by means of the Paddick conformity index and the ratio of prescribed isodose volume covered with 4DOF to that obtained with the 6DOF positioning. The mean three-dimensional setup error before 6DOF correction was 1.91 mm (SD, 1.25 mm). The rotational errors were larger in the longitudinal (mean, 0.23°; SD, 0.82°) direction compared with the lateral (mean, –0.09°; SD, 0.72°) and vertical (mean, –0.10°; SD, 1.03°) directions (p < 0.05). The mean three-dimensional intrafraction shift was 0.58 mm (SD, 0.42 mm). The mean intrafractional rotational errors were comparable for the vertical, longitudinal, and lateral directions: 0.01° (SD, 0.35°), 0.03° (SD, 0.31°), and –0.03° (SD, 0.33°), respectively. The mean conformity index decreased from 0.68 (SD, 0.08) (6DOF) to 0.59 (SD, 0.12) (4DOF) (p < 0.05). A loss of prescribed isodose coverage of 5% (SD, 0.08) was found with the 4DOF positioning (p < 0.05). Half a degree for longitudinal and lateral rotations can be identified as a threshold for coverage loss. With a mask immobilization, patient setup error and intrafraction motions need to be evaluated and corrected for. The 6DOF patient positioning with a 6DOF robotic couch to correct translational and rotational setup errors improves target positioning with respect to treatment isocenter, which is in direct relation with the clinical outcome, compared with the 4DOF positioning." @default.
• W2051233809 created "2016-06-24" @default.
• W2051233809 creator A5013318311 @default.
• W2051233809 creator A5016818579 @default.
• W2051233809 creator A5032341504 @default.
• W2051233809 creator A5034384144 @default.
• W2051233809 creator A5040579751 @default.
• W2051233809 creator A5057954793 @default.
• W2051233809 creator A5085199030 @default.
• W2051233809 creator A5089177738 @default.
• W2051233809 creator A5091684230 @default.
• W2051233809 date "2012-05-01" @default.
• W2051233809 modified "2023-10-07" @default.
• W2051233809 title "Clinical Evaluation of a Robotic 6-Degree of Freedom Treatment Couch for Frameless Radiosurgery" @default.
• W2051233809 cites W1963689145 @default.
• W2051233809 cites W1968191785 @default.
• W2051233809 cites W1976377967 @default.
• W2051233809 cites W1981555855 @default.
• W2051233809 cites W2001671662 @default.
• W2051233809 cites W2006268115 @default.
• W2051233809 cites W2018819159 @default.
• W2051233809 cites W2024520350 @default.
• W2051233809 cites W2026889379 @default.
• W2051233809 cites W2027835608 @default.
• W2051233809 cites W2032698909 @default.
• W2051233809 cites W2057518672 @default.
• W2051233809 cites W2061052585 @default.
• W2051233809 cites W2064292478 @default.
• W2051233809 cites W2065755388 @default.
• W2051233809 cites W2066814365 @default.
• W2051233809 cites W2074042544 @default.
• W2051233809 cites W2074755701 @default.
• W2051233809 cites W2078898050 @default.
• W2051233809 cites W2078952756 @default.
• W2051233809 cites W2089692499 @default.
• W2051233809 cites W2100057323 @default.
• W2051233809 cites W2121004188 @default.
• W2051233809 cites W2123358131 @default.
• W2051233809 cites W2132050456 @default.
• W2051233809 cites W2153821091 @default.
• W2051233809 cites W2183101157 @default.
• W2051233809 cites W44422401 @default.
• W2051233809 doi "https://doi.org/10.1016/j.ijrobp.2011.05.048" @default.
• W2051233809 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21945110" @default.
• W2051233809 hasPublicationYear "2012" @default.
• W2051233809 type Work @default.
• W2051233809 sameAs 2051233809 @default.
• W2051233809 citedByCount "106" @default.
• W2051233809 countsByYear W20512338092012 @default.
• W2051233809 countsByYear W20512338092013 @default.
• W2051233809 countsByYear W20512338092014 @default.
• W2051233809 countsByYear W20512338092015 @default.
• W2051233809 countsByYear W20512338092016 @default.
• W2051233809 countsByYear W20512338092017 @default.
• W2051233809 countsByYear W20512338092018 @default.
• W2051233809 countsByYear W20512338092019 @default.
• W2051233809 countsByYear W20512338092020 @default.
• W2051233809 countsByYear W20512338092021 @default.
• W2051233809 countsByYear W20512338092022 @default.
• W2051233809 countsByYear W20512338092023 @default.
• W2051233809 crossrefType "journal-article" @default.
• W2051233809 hasAuthorship W2051233809A5013318311 @default.
• W2051233809 hasAuthorship W2051233809A5016818579 @default.
• W2051233809 hasAuthorship W2051233809A5032341504 @default.
• W2051233809 hasAuthorship W2051233809A5034384144 @default.
• W2051233809 hasAuthorship W2051233809A5040579751 @default.
• W2051233809 hasAuthorship W2051233809A5057954793 @default.
• W2051233809 hasAuthorship W2051233809A5085199030 @default.
• W2051233809 hasAuthorship W2051233809A5089177738 @default.
• W2051233809 hasAuthorship W2051233809A5091684230 @default.
• W2051233809 hasConcept C104293457 @default.
• W2051233809 hasConcept C141071460 @default.
• W2051233809 hasConcept C181401712 @default.
• W2051233809 hasConcept C2780387249 @default.
• W2051233809 hasConcept C2989005 @default.
• W2051233809 hasConcept C509974204 @default.
• W2051233809 hasConcept C71924100 @default.
• W2051233809 hasConceptScore W2051233809C104293457 @default.
• W2051233809 hasConceptScore W2051233809C141071460 @default.
• W2051233809 hasConceptScore W2051233809C181401712 @default.
• W2051233809 hasConceptScore W2051233809C2780387249 @default.
• W2051233809 hasConceptScore W2051233809C2989005 @default.
• W2051233809 hasConceptScore W2051233809C509974204 @default.
• W2051233809 hasConceptScore W2051233809C71924100 @default.
• W2051233809 hasIssue "1" @default.
• W2051233809 hasLocation W20512338091 @default.
• W2051233809 hasLocation W20512338092 @default.
• W2051233809 hasOpenAccess W2051233809 @default.
• W2051233809 hasPrimaryLocation W20512338091 @default.
• W2051233809 hasRelatedWork W1980114307 @default.
• W2051233809 hasRelatedWork W1994965987 @default.
• W2051233809 hasRelatedWork W2034984742 @default.
• W2051233809 hasRelatedWork W2079326898 @default.
• W2051233809 hasRelatedWork W2354985064 @default.
• W2051233809 hasRelatedWork W2355353733 @default.
• W2051233809 hasRelatedWork W2553756710 @default.
• W2051233809 hasRelatedWork W2952662841 @default.
• W2051233809 hasRelatedWork W3197881107 @default.

• next