Michel Chauvin

Learn More
BACKGROUND The extent of ostial ablation necessary to electrically disconnect the pulmonary vein (PV) myocardial extensions that initiate atrial fibrillation from the left atrium has not been determined. METHODS AND RESULTS Seventy patients underwent PV mapping with a circumferential 10-electrode catheter during sinus rhythm or left atrial pacing. After(More)
A 70-year-old woman had a single-chamber implantable cardioverter-defibrillator (ICD) inserted four years previously for ventricular sustained tachycardia caused by ischaemic heart disease. She was admitted for assessment of grade II dys-pnoea and muteness of the ICD. Chest X-ray showed that the generator had been rotated clockwise through almost 180°, and(More)
By using immature porcine Sertoli cells cultured in serum-free defined medium, we report that Sertoli cell-conditioned medium (SCCM) contains immunoreactive somatomedin C/insulin-like growth factor 1 (ir-SmC/IGF 1) which dilutes in parallel with purified human SmC/IGF 1. The release of ir-SmC/IGF 1 in the culture medium was dependent on the exposure time to(More)
AIMS The choice of resynchronization therapy between with (CRT-D) and without (CRT-P) a defibrillator remains a contentious issue. Cause-of-death analysis among CRT-P, compared with CRT-D, patients could help evaluate the extent to which CRT-P patients would have additionally benefited from a defibrillator in a daily clinical practice. METHODS AND RESULTS(More)
SUMMARY Sudden death and syncope remain frequently unexplained despite numerous investigations. Here, we report the case of a pacemaker-implanted patient who presented during video-polysomnography recording a complete atrioventricular block simultaneously with an electrical seizure. Remarkably, the patient was completely asymptomatic. He had a history of(More)
The patient population benefitting from cardiac implantable electronic devices (CIEDs) is increasing. This study introduces a device annotation method that supports the consistent description of the functional attributes of cardiac devices and evaluates how this method can detect device changes from a CIED registry. We designed the Cardiac Device Ontology,(More)
Le concept de réhabilitation précoce après chirurgie consiste à proposer aux patients tous les moyens qui permettent de contrecarrer ou de limiter les effets délétères de la chirurgie. Ce concept est adapté à une procédure chirurgicale (par exemple, chirurgie colorectale) et se décline sous la forme d'un programme ou d'un chemin clinique qui couvre les(More)
BACKGROUND To analyze the in-hospital complication rate in women suffering from non-ST elevation myocardial infarction treated with percutaneous coronary intervention (PCI) compared to men. METHODS The files of 479 consecutive patients (133 women and 346 men) suffering from a Non STEMI (Non ST-segment elevation myocardial infarction) between the January(More)
In a series of 12 patients, the right atrial effective and functional refractory periods (ERP and FRP) were determined at 3 different sites and at 3 different intensities (threshold intensity and double and triple the threshold intensity). The mean of the range of the ERP in the same atrium was 43.4 ms and that of the FRP was 53.5 ms. These ranges appear to(More)
  • 1