{
    "abstract": "Ultrasound scanning of bladder volume is used for prevention of postoperative urinary retention (POUR). Accurate assessment of bladder volume is needed to allow clinical decision-making regarding the need for postoperative catheterization. Two commonly used ultrasound devices, the BladderScan\u00ae BVI 9400 and the newly released Prime\u00ae (Verathon Medical\u00ae, Bothell, WA, USA), with or without the 'pre-scan' option, have not been validated in clinical practice. The aim of this study was to assess the performance of these devices in daily clinical practice. Between June and September 2016 a prospective observational study was conducted in 318 surgical patients (18\u00a0years or older) who needed a urinary catheter perioperatively for clinical reasons. For acceptable performance, we required that the volume as estimated by the BladderScan\u00ae differs by no more than 5% from the actual urine volume after catheterization. The Schuirmann's two one-sided test was performed to assess equivalence between the BladderScan\u00ae estimate and catheterization. The BVI 9400\u00ae overestimated the actual bladder volume by +\u200917.5% (95% CI +\u20098.8 to +\u200926.3%). The Prime\u00ae without pre-scan underestimated by -\u00a04.1% (95% CI -\u00a08.8 to +\u20090.5%) and the Prime\u00ae with pre-scan underestimated by -\u00a06.3% (95% CI -\u00a011.6 to -\u00a01.1%). This study shows that while both ultrasound devices were able to approximate current bladder volume, both BVI 9400\u00ae and Prime\u00ae-with and without pre-scan-were not able to measure the actual bladder volume within our predefined limit of \u00b1\u20095%. Using the pre-scan feature of the Prime\u00ae did not further improve accuracy.",
    "authors": [
        {
            "affiliation": "Department of Anaesthesiology, Medical Center Leeuwarden, Henri Dunantweg 2, PO Box 888, 8901 BR, Leeuwarden, The Netherlands. t.brouwer@znb.nl.",
            "firstname": "Tammo A",
            "initials": "TA",
            "lastname": "Brouwer"
        },
        {
            "affiliation": "Institute for Science, Medical Center Leeuwarden, Henri Dunantweg 2, PO Box 888, 8901 BR, Leeuwarden, The Netherlands.",
            "firstname": "Charina",
            "initials": "C",
            "lastname": "van den Boogaard"
        },
        {
            "affiliation": "Department of Pharmacotherapy, Epidemiology and Economics, University of Groningen, Groningen, The Netherlands.\nDepartment of Clinical Pharmacy and Pharmacology, Medical Center Leeuwarden, Leeuwarden, The Netherlands.",
            "firstname": "Eric N",
            "initials": "EN",
            "lastname": "van Roon"
        },
        {
            "affiliation": "Division of Anesthesiology, Intensive Care and Emergency Medicine, University Medical Center Utrecht, Utrecht, The Netherlands.",
            "firstname": "Cor J",
            "initials": "CJ",
            "lastname": "Kalkman"
        },
        {
            "affiliation": "Clinical Epidemiologist, Department of Epidemiology, Medical Center Leeuwarden, Henri Dunantweg 2, PO Box 888, 8901 BR, Leeuwarden, The Netherlands.\nDepartment of Epidemiology, University Medical Center, Groningen, The Netherlands.",
            "firstname": "Nic",
            "initials": "N",
            "lastname": "Veeger"
        }
    ],
    "conclusions": null,
    "copyrights": null,
    "doi": "10.1007/s10877-018-0123-6\n10.1097/ALN.0b013e31819f7aea\n10.1097/ALN.0000000000000507\n10.1111/j.1464-410X.2011.10430.x\n10.3109/00365598609024494\n10.3109/00365598609024508\n10.1097/00003643-199908000-00001\n10.1016/S0094-0143(05)70222-6\n10.1023/A:1009939530626\n10.1034/j.1399-6576.2002.t01-1-460309.x\n10.1016/S0090-4295(03)00559-4\n10.1080/09658211.2011.560121\n10.1093/bja/aeh099\n10.1016/S0140-6736(86)90837-8\n10.1016/S0003-9993(03)00271-5\n10.1016/S0090-4295(97)00293-8\n10.1111/j.1532-5415.1994.tb06987.x",
    "journal": "Journal of clinical monitoring and computing",
    "keywords": [
        "Bladder catheterization",
        "Bladder volume",
        "Post operative urinary retention",
        "Ultrasound BladderScan",
        "Validation"
    ],
    "methods": null,
    "publication_date": "2018-03-09",
    "pubmed_id": "29516310\n19352147\n19825487\n25371036\n28275753\n22117624\n23768410\n3787196\n3810055\n10500936\n10584622\n6849410\n22419355\n12578033\n11939918\n14550437\n21500089\n10389784\n14977795\n2868172\n23074481\n14970981\n9301695\n2677415\n7963206\n8993133",
    "results": null,
    "title": "Non-invasive bladder volume measurement for the prevention of postoperative urinary retention: validation of two ultrasound devices in a clinical setting.",
    "xml": "<Element 'PubmedArticle' at 0x788503a3a200>"
}