Background: Central sleep apnea (CSA) is a breathing disorder caused by the intermittent absence of central respiratory drive. Transvenous phrenic nerve stimulation is a new therapeutic option, recently approved by the FDA , for the treatment of CSA.
Objective: To describe the technique used to implant the transvenous phrenic nerve stimulation system (the remedē System, Respicardia, Inc).
Background: The Medtronic model 4195 (StarFix) left ventricular lead is an active fixation lead that provides additional support within the coronary sinus (CS) via deployable lobes. While this lead has been shown to have excellent stability within the CS, concerns about its extractability have been raised.
Objective: The aim of this study was to compare the safety and efficacy of the extraction of the model 4195 lead vs other Medtronic CS leads in a prospective cohort study.
Objectives: The aim of this study was to evaluate chronic, transvenous, unilateral phrenic nerve stimulation to treat central sleep apnea (CSA) in a prospective, multicenter, nonrandomized study.
Background: CSA occurs predominantly in patients with heart failure and increases the risk for morbidity and mortality. Established therapies for CSA are lacking, and those available are limited by poor patient adherence.
Background: Cardiac contractility modulation signals are associated with acutely improved hemodynamics, but chronic clinical impact is not defined.
Objectives: The purpose of this randomized, double-blind, pilot study was to determine the feasibility of safely and effectively delivering cardiac contractility modulation signals in patients with heart failure.
Methods: Forty-nine subjects with ejection fraction <35%, normal QRS duration (105 +/- 15 ms), and New York Heart Association (NYHA) class III or IV heart failure despite medical therapy received a cardiac contractility modulation pulse generator.