Abstract
<p><strong>PICO question</strong></p><p>In adult male cats with a urethra blockage, is indwelling catheterisation more effective than percutaneous drainage in reducing the incidence of recurrence?</p><p><strong>Clinical bottom line</strong></p><p>Based on the available literature, it would appear that recurrence rates following percutaneous drainage are broadly similar to those managed with indwelling catheterisation. However, the level of evidence supporting the use of percutaneous drainage is very low and there are significant uncontrolled variables between all available studies, with the consequences that meaningful comparisons between recurrence rates are not possible. More studies are needed before routine use of percutaneous drainage as an alternative to indwelling catheterisation can be advocated.</p><br /> <img src="https://www.veterinaryevidence.org/rcvskmod/icons/oa-icon.jpg" alt="Open Access" /> <img src="https://www.veterinaryevidence.org/rcvskmod/icons/pr-icon.jpg" alt="Peer Reviewed" />
Highlights
Cases are from 2004-2010, so medications, equipment and management techniques may have changed since the study period
This search presented few studies that assessed the incidence of recurrence in cats managed with either indwelling urinary catheterisation or percutaneous drainage, of which none directly compared the two approaches, meaning that more studies are needed to draw firm conclusions as to the comparative efficacy of these techniques
Considering the studies generated through this search strategy, there is no evidence to support the advantage of either percutaneous drainage or indwelling catheterisation over each other in reducing recurrence rates when managing urethral obstruction in cats
Summary
Based on the available literature, it would appear that recurrence rates following percutaneous drainage are broadly similar to those managed with indwelling catheterisation. The level of evidence supporting the use of percutaneous drainage is very low and there are significant uncontrolled variables between all available studies, with the consequences that meaningful comparisons between recurrence rates are not possible. More studies are needed before routine use of percutaneous drainage as an alternative to indwelling catheterisation can be advocated
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