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      Severe Intraperitoneal Haemorrhage following Suprapubic Catheter Insertion in a Patient Treated with Iloprost

      case-report
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      Case Reports in Urology
      Hindawi Publishing Corporation

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          Abstract

          Suprapubic catheter (SPC) insertion is a common urological procedure, performed both in the elective and emergency settings. The authors present an unusual case of severe intraperitoneal bleeding following the insertion of an SPC under direct vision, where the use of prostacyclin analogue may have been a contributing factor.

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          The surgical risk of suprapubic catheter insertion and long-term sequelae.

          Suprapubic catheter (SPC) insertion is a common urological procedure, which is often referred to as safe and simple even in inexperienced hands. There is, however, very little published evidence on the safety of this procedure. Our study aimed to provide evidence on the associated morbidity and mortality and provide guidance for practising clinicians. A total of 219 patients who underwent SPC insertion under cystoscopic guidance at two urology institutions between 1994 and 2002 were identified and their case notes reviewed. The intra-operative complication rate was 10% and the 30-day complications rate was 19%. Mortality rate was 1.8%. Long-term complications included recurrent UTIs (21%), catheter blockage (25%) resulting in multiple accident and emergency attendance (43%). Despite this, the satisfaction rate was high (72%) and most patients (89%) prefer the SPC over the urethral catheter. SPC bladder drainage results in a high patient satisfaction rate. Patients and clinicians should be aware of the potential complications associated with SPC insertion.
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            Aerosolized iloprost induces a mild but sustained inhibition of platelet aggregation.

            Pathological studies have revealed that one of the main features encountered in the pulmonary vasculature of patients with pulmonary hypertension is the presence of thrombotic lesions. Open pilot studies have indicated that aerosolized iloprost may have beneficial effects in patients with pulmonary hypertension. The effects of aerosolized iloprost on platelet function and plasma cyclic adenosine monophosphate (cAMP) were studied. Platelet aggregation and plasma cAMP were measured at baseline, 30 min, 4 and 6 h after inhalation of 15 microg iloprost in 10 healthy volunteers. Maximal platelet aggregation in response to adenosine diphosphate (ADP) (2 and 6 micromol x L(-1)), collagen (2.5 and 5 microg x mL(-1)), epinephrine (1.25 and 5 micromol x L(-1)) and arachidonic acid (0.5 mg x mL(-1)) was measured. Platelet aggregation was significantly inhibited at 30 min in response to ADP (2 and 6 micromol x L(-1), epinephrine (1.25 and 5 micromol x L(-1)) and collagen (2.5 microg x mL(-1)). It was still inhibited at 4 h in response to the same agents, but normalized at 6 h. cAMP increased at 30 min, from 27.3+/-1.2 to 31.8+/-1.2 nmol x L(-1), remained increased at 4 h (29.2+/-1.3 nmol x L(-1)) and normalized at 6 h (27.4+/-1.1 nmol x L(-1)). Aerosolized iloprost induced a mild but sustained inhibition of platelet aggregation. Platelet aggregation inhibition may be one of the mechanisms which explains the beneficial effect of repeated inhalation of iloprost in pulmonary hypertension.
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              Iloprost and echistatin protect platelets during simulated extracorporeal circulation.

              Temporary, reversible inhibition of platelets during cardiopulmonary bypass is an attractive strategy to protect platelets and normalize postoperative bleeding times. Iloprost, an analogue of prostacyclin, and the disintegrins reversibly inhibit platelets by different mechanisms. We tested the hypothesis that reduced doses of iloprost and either echistatin, a natural disintegrin, or RO43-5054, a peptidomimetic, in combination provide better platelet protection than any drug alone during simulated extracorporeal circulation. Thirty-five recirculation studies using fresh, heparinized human blood in an extracorporeal perfusion circuit that contained a 0.45-m2 spiral coil membrane oxygenator were performed. Iloprost, but neither echistatin nor RO43-5054, increased platelet cyclic adenosine monophosphate. Combinations of iloprost and either fibrinogen receptor antagonist at reduced doses submaximally increased platelet cyclic adenosine monophosphate. Platelet adhesion and release of beta-thromboglobulin antigen was completely inhibited by combinations of the two classes of drugs, but only partially inhibited by each drug alone. Combinations of drugs also completely inhibited platelet aggregation to adenosine diphosphate; these platelets retained full sensitivity to adenosine diphosphate after 90 minutes of recirculation when drugs were removed by gel filtration. We conclude that combinations of iloprost and a fibrinogen receptor antagonist at doses that are unlikely to produce clinical side effects completely inhibit platelet activation and preserve platelet function during in vitro extracorporeal circulation.
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                Author and article information

                Journal
                Case Rep Urol
                Case Rep Urol
                CRIM.UROLOGY
                Case Reports in Urology
                Hindawi Publishing Corporation
                2090-696X
                2090-6978
                2013
                22 August 2013
                : 2013
                : 724685
                Affiliations
                Department of Urology, Craigavon Area Hospital, 68 Lurgan Road, Portadown BT63 5QQ, UK
                Author notes

                Academic Editors: S. K. Hong and E. Tuzel

                Article
                10.1155/2013/724685
                3766555
                24058740
                b095dffd-04f3-45cb-b325-57d03111be79
                Copyright © 2013 R. A. J. Spence et al.

                This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 22 April 2013
                : 24 July 2013
                Categories
                Case Report

                Urology
                Urology

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