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The following term was not found in PubMed: Seowtewa
Page 1
First description of Anaerococcus octavius as cause of bacteremia.
Cobo F, Navarro-Marí JM. Cobo F, et al. Anaerobe. 2020 Feb;61:102130. doi: 10.1016/j.anaerobe.2019.102130. Epub 2019 Nov 22. Anaerobe. 2020. PMID: 31765706
Anaerococcus spp. are Gram-positive anaerobic cocci involved in human skin and soft-tissue infections, among other diseases. We report the first known case of bacteremia due to A. octavius, detected in an elderly patient. A 71-year-old woman with a history of breast cancer …
Anaerococcus spp. are Gram-positive anaerobic cocci involved in human skin and soft-tissue infections, among other diseases. We report the f …
Octavius 4D characterization for flattened and flattening filter free rotational deliveries.
McGarry CK, O'Connell BF, Grattan MW, Agnew CE, Irvine DM, Hounsell AR. McGarry CK, et al. Med Phys. 2013 Sep;40(9):091707. doi: 10.1118/1.4817482. Med Phys. 2013. PMID: 24007140
PURPOSE: In this study the Octavius detector 729 ionization chamber (IC) array with the Octavius 4D phantom was characterized for flattening filter (FF) and flattening filter free (FFF) static and rotational beams. ...This was confirmed using data from a second dete …
PURPOSE: In this study the Octavius detector 729 ionization chamber (IC) array with the Octavius 4D phantom was characterized …
Quality assurance for dynamic tumor tracking.
Witulla B, Ziegler M, Brandt T, Prasetio H, Fietkau R, Bert C. Witulla B, et al. Z Med Phys. 2021 Nov;31(4):388-393. doi: 10.1016/j.zemedi.2021.01.002. Epub 2021 Feb 20. Z Med Phys. 2021. PMID: 33622568
The global gamma pass rates were on average (93.57.2) % for ArcCHECK, (98.02.6) % for OCTAVIUS 4D and (98.44.2) % for MatriXX Evolution. All three systems could be used for quality assurance with ring rotations and DTT, however, each with limitations....
The global gamma pass rates were on average (93.57.2) % for ArcCHECK, (98.02.6) % for OCTAVIUS 4D and (98.44.2) % for MatriXX Evoluti …
EDWARD OCTAVIUS CROFT, M.D.
[No authors listed] [No authors listed] Br Med J. 1929 Aug 17;2(3580):327. Br Med J. 1929. PMID: 20774864 Free PMC article. No abstract available.
Patient-specific quality assurance on a Varian Halcyon linear accelerator using a PTW Octavius 4D device.
Aland T, Jarema T, Trapp JV, Kairn T. Aland T, et al. Phys Eng Sci Med. 2021 Jun;44(2):565-572. doi: 10.1007/s13246-021-00986-4. Epub 2021 Mar 11. Phys Eng Sci Med. 2021. PMID: 33704691
A commercially available PTW Octavius 4D system was used for this study which had a maximum rotation speed of 3 RPM. ...For higher RPM deliveries, an Octavius 4D unit with 4 RPM rotation capability is recommended....
A commercially available PTW Octavius 4D system was used for this study which had a maximum rotation speed of 3 RPM. ...For higher RP …
Practical application of Octavius() -4D: Characteristics and criticalities for IMRT and VMAT verification.
Urso P, Lorusso R, Marzoli L, Corletto D, Imperiale P, Pepe A, Bianchi L. Urso P, et al. J Appl Clin Med Phys. 2018 Sep;19(5):517-524. doi: 10.1002/acm2.12412. Epub 2018 Jul 16. J Appl Clin Med Phys. 2018. PMID: 30009564 Free PMC article.
Octavius() -4D is a very effective device in radiotherapy treatment quality assurance (QA), due to its simple set-up and analysis package. ...Better agreements, obtained with RA vs IMRT technique, confirm that Octavius() -4D is specifically conceived for rotational …
Octavius() -4D is a very effective device in radiotherapy treatment quality assurance (QA), due to its simple set-up and analysis pac …
Portal dosimetry of small unflattened beams.
Torres Valderrama A, Olaciregui-Ruiz I, González P, Perik T, Mijnheer B, Mans A. Torres Valderrama A, et al. Phys Med Biol. 2021 May 26;66(11). doi: 10.1088/1361-6560/ab843d. Phys Med Biol. 2021. PMID: 32217828
The feasibility of small field portal dosimetry was validated via absolute point dose differences w.r.t. small static beams, and 5 hypofractionated stereotactic VMAT clinical plans measured with the OCTAVIUS 1000 SRS array dosimeter and computed with the treatment planning …
The feasibility of small field portal dosimetry was validated via absolute point dose differences w.r.t. small static beams, and 5 hypofract …
On-line quality assurance of rotational radiotherapy treatment delivery by means of a 2D ion chamber array and the Octavius phantom.
Van Esch A, Clermont C, Devillers M, Iori M, Huyskens DP. Van Esch A, et al. Med Phys. 2007 Oct;34(10):3825-37. doi: 10.1118/1.2777006. Med Phys. 2007. PMID: 17985628
Multiple cylindrical ion chamber measurements were used to cross-check the dose calculation and dose delivery in Octavius in the absence of the 2D array. To compensate for the directional dependence of the 2D array, additional prototypes of Octavius were manufacture …
Multiple cylindrical ion chamber measurements were used to cross-check the dose calculation and dose delivery in Octavius in the abse …
Clinical Evaluation of a Two-dimensional Liquid-Filled Ion chamber Detector Array for Verification of High Modulation Small Fields in Radiotherapy.
Markovic M, Narayanasamy G, Stathakis S, Mavroidis P, Jurkovic IA, Saenz D, Papanikolaou N. Markovic M, et al. J Med Phys. 2019 Apr-Jun;44(2):91-98. doi: 10.4103/jmp.JMP_4_19. J Med Phys. 2019. PMID: 31359926 Free PMC article.
Dose profiles of individual and composite fields' calculated using Pinnacle(3) treatment planning system were compared against measurements with Octavius 1000 SRS detector array, EDR2 film, and Octavius Seven29 detector. ...RESULTS: The Gamma index measurements show …
Dose profiles of individual and composite fields' calculated using Pinnacle(3) treatment planning system were compared against measurements …
Patient-specific dose quality assurance of single-isocenter multiple brain metastasis stereotactic radiosurgery using PTW Octavius 4D.
McCulloch J, Pawlowski J, Kirby N, Rasmussen K, Shi Z, Myers P, Stathakis S, Papanikolaou N, Saenz DL. McCulloch J, et al. J Appl Clin Med Phys. 2020 Sep;21(9):107-115. doi: 10.1002/acm2.12979. Epub 2020 Jul 18. J Appl Clin Med Phys. 2020. PMID: 32681753 Free PMC article.
This study reviews some of these options and explores the use of the Octavius 4D as a solution for patient-specific plan quality assurance. METHODS: The Octavius 4D Modular Phantom (O4D) with the 1000 SRS array was evaluated in this study. ...
This study reviews some of these options and explores the use of the Octavius 4D as a solution for patient-specific plan quality assu …
124 results