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Background Retained surgical sharps (RSS) is a “never event” that is preventable but may still occur despite of correct count and negative X-ray. This study assesses the feasibility of a novel device (“Melzi Sharps Finder®” or MSF) in effective detection of RSS. Methods The first study consisted of determination of the presence of RSS or identification of RSS in an ex-vivo model (a container with hay in a laparoscopic trainer box). The second study consisted of determining presence of RSS in an in-vivo model (laparoscopy in live adult Yorkshire pigs) with 3 groups: C-arm, C-arm with MSF and MSF. The third study used similar apparatus though with laparotomy and included 2 groups: manual search and MSF. Results In the first study, the MSF group had a higher rate of identification of a needle and decreased time to locate a needle versus control (98.1% vs. 22.0%, p Conclusions The use of MSF in this study’s RSS models facilitated the determination of presence and localization of RSS as shown by the increased rate of identification of a needle, decreased time to identification and higher accuracy in determining the presence of a needle. This device may be used in conjunction with radiography as it gives live visual and auditory feedback for users during the search for RSS.

Preoperative urodynamic studies (UDS) are frequently performed before pelvic organ prolapse (POP) surgery to assess urethral and bladder function. The primary goal of this study is to examine how preoperative UDS are utilized and what value these studies have in patient treatment and/or counseling. We retrospectively reviewed patients who underwent prolapse surgery and had preoperative UDS between June 2010 and February 2015. Indications for UDS were classified into four categories: (1) occult stress urinary incontinence only, (2) overactive bladder symptoms, (3) mixed or insensible urinary incontinence, and (4) voiding symptoms and/or elevated post-void residual. We identified changes in management or counseling that were directly attributable to UDS results prior to surgery. Three hundred ninety-two patients underwent urodynamic testing for indications 2–4 above, and 316 met the inclusion criteria. Fifty-seven percent (180/316) had OAB symptoms (34.4% wet, 65.6% dry), 40.2% (127/316) had mixed incontinence, and 17.1% (54/316) had voiding symptoms and/or elevated PVR. A total of 3.5% (11/316) patients had alteration in their management or counseling based on the results of the UDS; 29.4% (50/170) of the women evaluated for occult SUI alone or with other symptoms demonstrated it and 41 underwent sling placement. UDS did not have a significant impact on preoperative management or counseling in POP surgery if demonstration of occult SUI was not the indication for preoperative study in women committed to POP surgery. Major alterations in treatment were rare and occurred mostly in women with stress incontinence that also had concomitant voiding symptoms and/or elevated PVR.