Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/1208
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dc.contributor.authorSavanović, Milovanen_US
dc.contributor.authorŠtrbac, Bojanen_US
dc.contributor.authorMihajlović, Bojanen_US
dc.contributor.authorTrokić, Danijelaen_US
dc.contributor.authorJaroš, Dražanen_US
dc.contributor.authorKolarević, Goranen_US
dc.contributor.authorVićić, Milošen_US
dc.contributor.authorFoulquier, Jean-Noëlen_US
dc.date.accessioned2022-07-12T18:35:38Z-
dc.date.available2022-07-12T18:35:38Z-
dc.date.issued2021-
dc.identifier.issn0958-3947en
dc.identifier.urihttps://physrep.ff.bg.ac.rs/handle/123456789/1208-
dc.description.abstractThe aim of this study was to evaluate thoracic surface motion from chest wall expansion during free breathing (FB) and deep inspiration breath hold (DIBH) methods, measured with and without 4-dimensional computed tomography (4D-CT) simulation, using equipment developed in-house. The respiratory amplitude and chest wall expansion were evaluated at 5 levels of the thorax, (the sterno-clavicular joint (SCJ), the second level, the intermammary line (IML), the fourth level and the caudal end of the xiphoid process (XP)) using radiopaque wires and potentiometers, with a CT scan simultaneously. This study included 25 examinees (10 volunteers performed FB, 10 volunteers performed DIBH and 5 patients performed FB). For low and irregular respiration, coaching was used, and its impact was evaluated for both breathing methods, FB and DIBH. The breathing amplitude performed with FB between volunteers and patients was not detectable at the SCJ; increasing to the abdomen, 3 mm vs 2 mm (p = 0.326) at the second level; 6 mm vs 4 mm (p = 0.042) at the IML; 10 mm vs 8 mm (p < 0.01) at the fourth level; and 23 mm vs 19 mm (p < 0.001) at the XP. Contrary to the DIBH, where breathing amplitude was greater at 2 first levels 18 mm (SCJ) and 20 mm (second level), decreasing to the abdomen, 14 mm (IML); 11 mm (fourth level); and 10 mm (XP). Chest wall expansion was not detected at the SCJ, while at other levels measured from 1 to 7 mm. Coaching was improve breathing amplitude, for both methods, FB (3 mm) and DIBH (5 mm). The location of amplification is different depending on the breathing method and the in-house phantom was useful to check the amplification level.en
dc.language.isoenen
dc.relation.ispartofMedical dosimetry : official journal of the American Association of Medical Dosimetristsen
dc.subject4D-CTen
dc.subjectDeep inspiration breath holden
dc.subjectFree breathingen
dc.subjectSurface motionen
dc.subjectThoraxen
dc.subject.meshBreath Holdingen
dc.subject.meshRadiotherapy Planning, Computer-Assisteden
dc.titleEvaluation of thoracic surface motion during the free breathing and deep inspiration breath hold methodsen_US
dc.typeJournal Articleen_US
dc.identifier.doi10.1016/j.meddos.2021.02.006-
dc.identifier.pmid33766492-
dc.identifier.scopus2-s2.0-85103095597-
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/85103095597-
dc.relation.issue3en
dc.relation.volume46en
dc.relation.firstpage274-278en
dc.relation.lastpage278en
item.grantfulltextnone-
item.languageiso639-1en-
item.openairetypeJournal Article-
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextNo Fulltext-
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