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  • Title: The Role of Ischemia Modified Albumin and D-dimer as Early or Late Biochemical Markers in Ovarian Torsion.
    Author: Karatas Gurgun A, Kaban I, Aka N, Mentese A, Aker F, Uras AR.
    Journal: J Obstet Gynaecol Res; 2017 May; 43(5):895-901. PubMed ID: 28190281.
    Abstract:
    OBJECTIVE: Our aim was to examine the potential roles of ischemia modified albumin(IMA) and D-dimer as reliable early diagnostic markers of ovarian torsion. MATERIALS AND METHODS: 24 Wistar albino rats were included and randomized into three groups. Control (sham) rats underwent laparotomy then bilateral ovaries removed for histopathological examination and concomitant blood sampling for IMA and D-dimer assays after 4 h. In the remaining groups, ovarian ischemia was achieved by rotating bilateral ovaries 1080° clockwise then blood samples were obtained and ovaries were removed after 4 h and 24 h. IMA and D-dimer levels as well as the histopathological injury scores were assessed in all groups. RESULTS: A statistically higher significant difference in D-dimer levels in the 4-h torsion group (Group 2) than the other groups (P = 0.001, P < 0.01). Despite absence of statistical significance, the difference in IMA levels between the groups was close to statistical significance (P = 0.064; P > 0.05); accordingly IMA levels were higher in the 24-h torsion group (Group 3), than in 4-h torsion (Group 2) or sham (Group 1) group. CONCLUSION: Our results suggest that D-dimer may represent a valuable acute marker of ovarian torsion. The cut-off value for D-dimer was 402 ng/ml. Although rats in Group3 had higher IMA than in other groups, the difference was only close to statistical significance. Also, increasing duration of torsion was associated with reduced D-dimer levels, while IMA levels exhibited an increase during the 24 h period. In contrast with previous studies, IMA appeared to be a potential marker in the long term rather than the short term.
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