These results from a 2014 phase 2 clinical trial in Panamanian infants suggest that high-dose inactivated polio vaccines (IPVs), like standard IPVs, are largely ineffective at inducing levels of intestinal immune responses requisite to control poliovirus shedding.

Gender had no impact on follow-up patterns despite prior studies demonstrating an impact on diagnosis rates. Future attention should focus on retaining young patients and those with atypical modes of presentation.

No abstract

We are reporting a case of extensor pollicis longus tendon rupture which did not require tendon transfer owing to the ability of the intact extensor pollicis brevis (EPB) to fully hyperextend the thumb interphalangeal joint. The thumb metacarpophalangeal joint was also able to be fully actively extended by the EPB. Previous anatomical studies have demonstrated that the insertional anatomy of the EPB tendon is highly variable and sometimes inserts onto the extensor hood and distal phalanx, which is likely the mechanism by which our patient was able to fully extend the thumb interphalangeal joint. Despite the potential for the EPB to extend the IP joint of the thumb, virtually all previously reported cases of extensor pollicis longus (EPL) tendon rupture had deficits of thumb IP extension requiring tendon transfer. This case highlights the potential ability of the EPB tendon to completely substitute for the function of the EPL tendon in providing thumb IP joint extension.