Abstract
Background
Non-occlusive mesenteric ischemia (NOMI) is a mesenteric ischemic disease with considerably high mortality rate, although little has been known about what factors affect the patients’ prognosis. The purpose of this study was to investigate prognostic factors of clinical data and computed tomography (CT) findings in patients with NOMI.
Methods
This was a single institutional, retrospective study, reviewing 21 consecutive patients diagnosed with NOMI on angiography. Patients were divided into either ‘‘survivor’’ group or ‘‘non-survivor’’ group based on their clinical courses 1 month after diagnosis. Clinical information such as laboratory data, Charlson Comorbidity Index, and time from CT to injecting vasodilator was obtained from patients’ medical records. Contrast-enhanced CT images were assessed in following items: defect of mural enhancement, pneumatosis intestinalis, hepatic portal venous gas, paralytic bowel dilatation, bowel wall thinning, and diameters of the relevant vessels.
Results
Eight patients belonged to ‘‘survivor’’ group, whereas eleven were allocated to ‘‘non-survivor’’ group. None of CT findings showed significant difference between survivor group and non-survivor group [defect of mural enhancement: 75% and 100% (p = 0.16), pneumatosis intestinalis: 50% and 45.5% (p = 1.00), hepatic portal venous gas: 37.5% and 45.5% (p = 1.00), paralytic bowel dilatation: 12.5% and 63.6% (p = 0.06), and bowel wall thinning: 50% and 45.5% (p = 1.00)]. The diameters of the relevant vessels did not have significant difference either. Time from CT to injecting vasodilator was revealed to be significantly shorter in survivor group [187.5 (122.5–294) min and 310 (187–925.5)] (p = 0.048). None of the other clinical information had significant difference between each group.
Conclusion
Prompt angiography may be a key to improve the prognosis of NOMI patients.
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Acknowledgements
The authors are grateful to Jay Starkey, M.D. for the revision of the English text.
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The institutional review board exemption was granted for this study.
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Drs. Ryo Miyazawa and Minobu Kamo have no conflict of interest or financial ties to disclose.
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Miyazawa, R., Kamo, M. What affects the prognosis of NOMI patients? Analysis of clinical data and CT findings. Surg Endosc 34, 5327–5330 (2020). https://doi.org/10.1007/s00464-019-07321-9
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DOI: https://doi.org/10.1007/s00464-019-07321-9