We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Drainage Characteristics of the 3F MicroStent Using a Novel Film Occlusion Anchoring Mechanism.
- Authors
Lange, Dirk; Hoag, Nathan A.; Poh, Beow Kiong; Chew, Ben H.
- Abstract
AbstractPurpose:To determine whether the overall ureteral flow through an obstructed ureter using the 3F MicroStent™ that uses a novel film occlusion anchoring mechanism is comparable to the flow using a conventional 3F and 4.7F Double-J stent.Materials and Methods:An in vitrosilicone ureter model and an ex vivoporcine urinary model (kidney and ureter) were used to measure the overall flow through obstructed and unobstructed ureters with either a 3F Double-J stent (Cook), 3F MicroStent (PercSys), or 4.7F Double-J stent (Cook). Mean flow rates were compared with descriptive statistics.Results:Mean flow rates through the obstructed silicone ureter (12-mm stone) for the 3F MicroStent, 3F Double-J stent, and 4.7F Double-J stent were 326.7±13.3 mL/min, 283.3±19.2 mL/min, and 356.7±14.1 mL/min, respectively. In the obstructed ex vivoporcine ureter model, the flow as a percentage of free flow was 60%, 53%, and 50 %, respectively. In both ureteral models, flow rates of the 3F MicroStent and 4.7F Double-J stents were not statistically different.Conclusions:The 3F MicroStent demonstrated drainage equivalent to a 4.7F Double-J stent, in both in vitrosilicone and ex vivoporcine obstructed urinary models. We have demonstrated the crucial first step that this 3F stent, using a novel film occlusion anchoring mechanism, has equivalent, if not slightly improved, drainage rates when compared with its larger counterpart.
- Subjects
SURGICAL drainage; SURGICAL stents; URETERIC obstruction; SILICONES in surgery; COMPARATIVE studies; URINARY obstructions
- Publication
Journal of Endourology, 2011, Vol 25, Issue 6, p1051
- ISSN
0892-7790
- Publication type
Article
- DOI
10.1089/end.2010.0722