• Süleyman Türedi, Aynur Şahin, Metehan Akça, Selim Demir, Gökçen Derya Reis Köse, Arif Burak Çekiç, Mehmet Yıldırım, Ersin Yuluğ, Ahmet Menteşe, Süha Türkmen, and Sami Acar.
• Department of Emergency Medicine, Karadeniz Technical University Faculty of Medicine, Trabzon-Turkey.
• Ulus Travma Acil Cer. 2020 Mar 1; 26 (2): 153-162.

BackgroundTo determine the value of ischemia-modified albumin (IMA) and IMA/albumin ratio (IMAR) in the diagnosis and staging of hemorrhagic shock (HS).MethodsA pressure-targeted HS model was established in this study. The control and shock groups were monitored for 30 min and 60 min to simulate varying durations of exposure to HS. All subjects underwent invasive arterial monitoring during the experiment and were further divided into mild and severe shock groups based on decreases in mean arterial pressure (MAP). Biochemical and histologic comparisons were performed between the groups.ResultsOur results revealed higher IMA, IMAR, lactate, total oxidant status (TOS) and oxidative stress index (OSI) levels in both the 30- and 60-min shock groups compared to the control group. Concerning MAP-based shock staging, IMA, IMAR, lactate, TOS and OSI levels in the 30-min and 60-min mild and severe shock groups were higher than those of the controls. However, there was no significant difference between the mild and severe shock groups. A significant correlation was determined between all the biomarkers evaluated and HS-induced damage in various organs. This correlation was highest in lactate and IMAR levels.ConclusionIMA and IMAR levels may be used in the early diagnosis of HS and also have the potential for use in determining the severity of HS. IMA and IMAR measurement may also be considered as an alternative or in addition to lactate measurement in the diagnosis of HS.

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