Is B-Flow USG superior to Color Doppler USG for evaluating blood flow patterns in ovarian torsion?

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dc.authoridHancerliogullari, Gulsah/0000-0002-2551-541X|Hancerliogullari, Kadir Oymen/0000-0002-6856-4975|Tosun, Alptekin/0000-0003-1783-9171|Soyer, Tutku/0000-0003-1505-6042
dc.authorwosidTosun, Alptekin/AAA-1350-2021
dc.authorwosidHANCERLIOGULLARI KOKSALMIS, GULSAH/H-1579-2013
dc.authorwosidHancerliogullari, Gulsah/S-5218-2016
dc.authorwosidHancerliogullari, Kadir/AAN-4483-2021
dc.authorwosidSoyer, Tutku/I-2260-2019
dc.contributor.authorHancerliogullari, Kadir Oymen
dc.contributor.authorSoyer, Tutku
dc.contributor.authorTosun, Alptekin
dc.contributor.authorHancerliogullari, Gulsah
dc.date.accessioned2024-07-18T20:58:30Z
dc.date.available2024-07-18T20:58:30Z
dc.date.issued2015
dc.departmentİstanbul Bilgi Üniversitesien_US
dc.description.abstractObjective: Ovarian torsion is an uncommon gynecological emergency that most often affects women of reproductive age. Its signs and symptoms are similar to those of other abdominal conditions, which make its differential diagnosis challenging. Color Doppler (Doppler USG) and B-flow ultrasonography (B-flow USG) are used for the differential diagnosis of ovarian torsion, and in this study, we aimed to evaluate these two techniques, validate B-flow USG as the gold standard non invasive diagnostic tool in the early phase of an ovarian torsion, and show that the B-flow USG is superior to the color Doppler USG. Materials and methods: Sixteen rabbits of the same age and weight were separated into 2 subgroups of 8. In Group I (shamgroup), right ovaries were fixated, and in Group II (torsion group), right ovaries underwent 720 degrees torsion in a counterclockwise direction. At 1 h and 2 h of ischemia, both ovaries were measured by the two techniques, and an additional measurement was taken at 24 h to determine any changes in the left ovary due to the right ovary ischemia. Volume flow, peak systolic velocity (PSV), end diastolic velocity (EDV), resistive index (RI) and pulsatility index (PI) measurements were taken both with color Doppler USG (using a 12 MHz linear probe, General Electric Medical Systems Logic 7, Milwaukee, USA) and with B-flow USG. Results: The right Doppler RI and PI values at 1 h were significantly higher than the right B-flow values (p < 0.05). The difference between the left B-flow RI and PI values and the left Doppler values at 1 h was not significant (p > 0.05), nor was the difference between the right B-flow RI value at 2 h and the right Doppler RI value at 2 h (p > 0.05). The right B-flow PI value at 2 h was statistically different from the right Doppler PI value at 2 h (p < 0.05), although the differences between the left B-flow RI and PI values at 1 h and 2 h and the left Doppler RI and PI values were not (p > 0.05). However, there was a significant difference between the RI values at 24 h (p < 0.05). Conclusions: In this study, the decrease in blood reperfusion at 1 h measured by B-flow USG was apparently higher than that measured by Doppler USG. However, by the end of 2 h, the measurements were equal (see Fig. 3 and 4). In conclusion, B-flow USG reveals the decrease in the blood flow more distinctly in the early phase. Moreover, B-flow Doppler USG is more reliable and advantageous than color Doppler USG because it provides a more accurate preoperative evaluation of the unilateral and contralateral preoperative adnexial structures, and allows for a better assessment of blood flow in the ovarian torsion. (C) 2015 Elsevier Inc. All rights reserved.en_US
dc.identifier.doi10.1016/j.jpedsurg.2014.08.028
dc.identifier.endpage1161en_US
dc.identifier.issn0022-3468
dc.identifier.issn1531-5037
dc.identifier.issue7en_US
dc.identifier.pmid25783334en_US
dc.identifier.scopus2-s2.0-84952629778en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1156en_US
dc.identifier.urihttps://doi.org/10.1016/j.jpedsurg.2014.08.028
dc.identifier.urihttps://hdl.handle.net/11411/8984
dc.identifier.volume50en_US
dc.identifier.wosWOS:000360120200017en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherW B Saunders Co-Elsevier Incen_US
dc.relation.ispartofJournal of Pediatric Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectOvarian Torsionen_US
dc.subjectB-Flow Doppler Usgen_US
dc.subjectColor Doppler Usgen_US
dc.subjectDiagnosisen_US
dc.titleIs B-Flow USG superior to Color Doppler USG for evaluating blood flow patterns in ovarian torsion?en_US
dc.typeArticleen_US

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