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  • Title: Effects of indomethacin on central, renal and coronary hemodynamics. An experimental study in swine with unilateral ureteral obstruction.
    Author: Sjödin JG, Häggmark S, Reiz S.
    Journal: Scand J Urol Nephrol; 1983; 17(1):73-9. PubMed ID: 6867628.
    Abstract:
    The circulatory effects of intravenously administered indomethacin, a potent prostaglandin synthesis inhibitor (0.8 mg/kg bw) were investigated in pigs with unilateral ureteral obstruction. The drug induced a marked but transient increase in systemic arterial pressure (+53%, p less than 0.02) and pulmonary arterial (+81%, p less than 0.02) pressure without any changes in left or right sided filling pressures, cardiac output or heart rate. Coronary blood flow remained unchanged and renal venous blood flow decreased (-26%, p less than 0.02). Renal pelvic pressure decreased (-20%, p less than 0.02). Thus systemic (SVR), pulmonary (PVR) and coronary vascular resistance (CVR) and renal vascular resistance (RVR) on the obstructed side increased (SVR + 73%, p less than 0.02; PVR + 140%, p less than 0.02; CVR + 53%, p less than 0.02 and RVR + 107%, p less than 0.02 respectively). Even if one takes into consideration other factors than ureteral obstruction contributing to these reactions, e.g. low volume load, anaesthesia, surgical trauma and species differences, care is advised in treating patients with coronary artery disease or obstructive lung disease with indomethacin.
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