Significant physiologic changes occur during menopause. Evidence exists to suggest that estrogen may be neuroprotective under specific conditions. However, there are limitations in the neuroprotection afforded by standard hormone therapy. Accordingly, alternative agents with selected estrogenic effects may hold even greater promise rather than conventional hormone replacement therapy for the prevention and treatment of CNS injury. Recently, a variety of selective estrogen receptor modulators (SERMs) have been developed to retain the favorable and minimize the adverse side effects of estrogens. This review focuses on the CNS and known neuroprotective effects of two specific SERMs, raloxifene and arzoxifene. Recent studies hint that raloxifene and arzoxifene are neuroprotective and may preserve some elements of cognitive function. However, the mechanism of action is not well described and it is unclear if the beneficial effects of SERMs rely on activation of estrogen receptors.
Based on the results of this study, splenectomy in patients with HS appears safe and to result in a minimal number of potentially preventable complications as identified by the AHRQ PDIs. We have successfully demonstrated use of the indicators to aid in the analysis of a specific surgical procedure within a subset of the pediatric population.
Tongue-lip adhesion may be performed in micrognathic infants to alleviate airway obstruction. Polysomnographic evaluation in this pilot study before and after surgery suggests that tongue-lip adhesion usually improves obstructive sleep apnea, but only 38% had complete resolution. Future studies of tongue-lip adhesion efficacy should include polysomnographic evaluation.
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