title: Renal sympathetic denervation for resistant hypertension treatment : current perspectives.
abstract: The authors review the concept of resistant hypertension and the involvement of the sympathetic nervous system in hypertension as a rational basis for the technique of renal sympathetic denervation (RSD) performed percutaneously. This revision is the result of an active search for scientific articles with the term "renal denervation" in the Medline and PubMed databases. The techniques and devices used in the procedure are presented, as well as clinical outcomes at six, 12 and 24 months after the intervention with the Symplicity catheter. Significant decreases and progressively higher reductions of systolic and diastolic blood pressure were observed after RSD. The complication rate was minimal. New devices for RSD and its ongoing clinical studies are cited. In conclusion, the RSD presents itself as an effective and safe approach to resistant hypertension. Results from ongoing studies and longer follow-up of these patients are expected to confirm the initial results and put into perspective the expansion of the procedure use in hypertension approach.
authors.forename: Andréa Araujo
authors.initials: AA
authors.lastname: Brandão
authors.forename: Erika Maria Gonçalves
authors.initials: EM
authors.lastname: Campana
authors.forename: Maria Eliane Campos
authors.initials: ME
authors.lastname: Magalhães
authors.forename: Esmeralci
authors.initials: E
authors.lastname: Ferreira
mesh_terms: D001794:Blood Pressure; D017115:Catheter Ablation / Q000379:methods; D003329:Coronary Vasospasm / Q000601:surgery*; D006801:Humans; D006973:Hypertension / Q000601:surgery*; D007668:Kidney / Q000294:innervation*; D013562:Sympathectomy / Q000379:methods* / Q000639:trends; D013564:Sympathetic Nervous System / Q000503:physiopathology / Q000601:surgery; D013997:Time Factors; D016896:Treatment Outcome
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