• Turk J Med Sci · Apr 2020

    Observational Study

    Somatic regional oxygen saturation as an early marker of intra-abdominal hypertension in critically ill children: a pilot study

    • Özden Özgür Horoz, Nagehan Aslan, Dinçer Yildizdaş, Yasemin Çoban, Yaşar Sertdemir, and Awni Al-Subu.
    • Department of Pediatrics, Division of Pediatric Critical Care Medicine, Çukurova University Faculty of Medicine, Adana, Turkey
    • Turk J Med Sci. 2020 Apr 9; 50 (2): 411-419.

    Background/AimIntraabdominal hypertension is a common clinical condition with high mortality and morbidity in pediatric intensive care units. The aim of this study was to test the feasibility of regional tissue oxygenation (rSO2) measurement using near-infrared spectroscopy and to assess the correlation between rSO2 and perfusion markers of intraabdominal hypertension in high-risk pediatric patients.Materials And MethodIn this prospective observational cohort study in a tertiary pediatric intensive care unit in Çukurova University Faculty of Medicine, a total of 31 patients who were admitted between May 2017 and May 2018 with a risk of intraabdominal hypertension were included. Mesenteric and renal rSO2 measurements were taken and correlations with other tissue perfusion markers including mean arterial pressure, pH, lactate, intraabdominal pressure, abdominal perfusion pressure, mixed venous oxygen saturation, vasoactive inotropic score were assessed. Intraabdominal pressure was measured as ≥10 mmHg in 15 patients (48.3%) and these patients were defined as the group with intraabdominal hypertension.ResultsIn the group with intraabdominal hypertension, mixed venous oxygen saturation was lower (P = 0.024), vasoactive inotropic score was higher (P = 0.024) and the mean abdominal perfusion pressure value was lower (P = 0.014). In the ROC analysis, the mesenteric rSO2 measurement was the best parameter to predict intraabdominal hypertension with area under the curve of 0.812 (P = 0.003) 95% CI [0.652–0.973].ConclusionMonitoring of mesenteric rSO2 is feasible in patients at risk for intraabdominal hypertension. Moreover, both mesenteric regional oxygen and perfusion markers may be used to identify pediatric patients at risk for intraabdominal hypertension.This work is licensed under a Creative Commons Attribution 4.0 International License.

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