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Sleep Med ; 113: 157-164, 2024 01.
Article in English | MEDLINE | ID: mdl-38029624

ABSTRACT

Sleep disordered breathing (SDB), mostly constituting of obstructive and central sleep apnea (OSA and CSA, respectively), is highly prevalent in the general population, and even more among patients with cardiovascular disease, heart failure (HF) and valvular heart disease, such as mitral regurgitation (MR). The coexistence of HF, MR and SDB is associated with worse cardiovascular outcomes and increased morbidity and mortality. Pulmonary congestion, as a result of MR, can exaggerate and worsen the clinical status and symptoms of SDB, while OSA and CSA, through various mechanisms that impair left ventricular dynamics, can promote left ventricular remodelling, mitral annulus dilatation and consequently MR. Regarding treatment, positive airway pressure devices used to ameliorate symptoms in SDB also seem to result in a reduction of MR severity, MR jet fraction and an improvement of left ventricular ejection fraction. However, surgical and transcatheter interventions for MR, and especially transcatheter edge to edge mitral valve repair (TEER), seem to also have a positive effect on SDB, by reducing OSA and CSA-related severity indexes and improving symptom control. The purpose of this review is to provide a comprehensive analysis of the common pathophysiology between SDB and MR, as well as to discuss the available evidence regarding the effect of SDB treatment on MR and the effect of mitral valve surgery or transcatheter repair on both OSA and CSA.


Subject(s)
Heart Failure , Mitral Valve Insufficiency , Sleep Apnea Syndromes , Sleep Apnea, Obstructive , Humans , Mitral Valve Insufficiency/complications , Mitral Valve Insufficiency/surgery , Stroke Volume , Ventricular Function, Left , Sleep Apnea Syndromes/complications , Sleep Apnea Syndromes/therapy , Sleep Apnea Syndromes/diagnosis , Sleep Apnea, Obstructive/complications , Sleep Apnea, Obstructive/therapy
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