Pacing induced mitral regurgitation following radiofrequency ablation of the atrioventricular conduction system: case report and potential mechanism.
We describe a patient with hemodynamic deterioration and worsening mitral regurgitation related to right ventricular apex pacing. Time-dependent changes in papillary muscle contraction as well as ventricular remodeling by right ventricular apex pacing might be responsible for this rare but serious complication.
Vanderheyden
M
M
Cardiovascular Center OLV-Ziekenhuis, Aalst, Belgium. Marc.Vanderheyden@skynet.be
Nellens
P
P
Andries
E
E
Goethals
M
M
D000368:Aged; D001283:Atrioventricular Node / Q000601:surgery*; D002304:Cardiac Pacing, Artificial / Q000009:adverse effects*; D017115:Catheter Ablation; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000209:etiology* / Q000503:physiopathology; D011669:Pulmonary Wedge Pressure; D017725:Ventricular Pressure