• Nurullah Aksoy, Davut Sinan Kaplan, Mustafa Orkmez, and Ömer Eronat.
• Department of General Surgery, International Adn Hospital, Gaziantep-Türki̇ye.
• Ulus Travma Acil Cerrahi Derg. 2024 Jan 1; 30 (1): 181-8.

BackgroundAcute mesenteric ischemia (AMI) is responsible for one in a thousand emergency hospital admissions in America and Europe and is associated with high morbidity and mortality rates. Current diagnostic and treatment methods fall short of desired outcomes, often resulting in delayed diagnoses and difficulties in detecting ischemic bowel tissue during treatment. This study evaluates the diagnostic value of commonly used biochemical markers in clinical practice-creatine kinase, C-reactive protein (CRP), and lactate dehydrogenase (LDH)-alongside blood flow measurements using laser Doppler in a rat model of experimental mesenteric ischemia. We also compare these markers with pathological ischemia scoring.MethodsRats were divided into five groups: control, 1 hour, 2 hours, 3 hours, and 4 hours. Mesenteric ischemia was induced for the respective durations in each group. After these periods, we measured blood flow using laser Doppler. We also collected blood samples and intestinal biopsies for biochemical parameter analysis. These values were assessed in relation to intestinal viability using the Chiu ischemia scoring system.ResultsBlood flow measurement with laser Doppler correlated with both the duration and severity of bowel ischemia. No significant relationship was found between CRP levels and the duration of ischemia. However, creatine kinase and lactate dehydrogenase (LDH) levels were significantly higher in ischemia lasting into the third and fourth hours.ConclusionCreatine kinase and lactate dehydrogenase (LDH) levels may be useful biomarkers in patients with suspected acute mesenteric ischemia (AMI). Blood flow measurements using laser Doppler can accurately identify intestinal loops for resection during surgery.

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