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Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Curr+Rev+Musculoskelet+Med 2017 ; 10 (2): 189-98 Nephropedia Template TP
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Interspinous implants: are the new implants better than the last generation? A review #MMPMID28332140
Pintauro M; Duffy A; Vahedi P; Rymarczuk G; Heller J
Curr Rev Musculoskelet Med 2017[Jun]; 10 (2): 189-98 PMID28332140show ga
Purpose of review: Interspinous process devices (IPDs) are used in the surgical treatment of lumbar spinal stenosis. The purpose of this review is to compare the first generation with the next-generation devices in terms of complications, device failure, reoperation rates, symptom relief, and outcome. Recent findings: Thirty-seven studies were included from 2011 to 2016. Device failure occurred at a mean of 3.7%, with a lower tendency to happen with next-generation IPDs. Reoperations occurred at a lower rate with the next-generation devices, with a mean follow up of 24 months (3.7% vs. 11.1%). The clinical outcome is not influenced by the type of IPD. Summary: The long-term functionality of these devices is questionable, with radiologic changes and recurrence of symptoms often seen by 2 years following implantation. Next-generation devices do not appear to be subject to the same ?bounce back? effect of symptom re-emergence after several years.