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Telefon: Skip navigation oxford journals contact us my basket my account european journal of heart failure about this journal contact this journal subscriptions view current issue (volume 14 issue 10 october 2012) archive search oxford journals medicine european journal of heart failure volume 4 issue 3 pp. 311-320. Cardiac resynchronization therapy in advanced heart failure the multicenter insync clinical study ☆ daniel gras * , christophe leclercq , anthony s. buy viagra online in usa L. Tang , cliff bucknall , henk oude luttikhuis and anders kirstein-pedersen unitã© de soins et de cardiologie interventionnelle polyclinique saint henri, place beaumanoir, 44100 nantes, france *corresponding author. Tel. : +33-2-4044-2528; fax: +33-2-4044-2524. E-mail address: dangras{at}aol. buy viagra in usa online Com received december 21, 2001. Accepted january 14, 2002. Abstract background: recent short-term observations have shown an improvement in cardiac function and heart failure symptoms from atrio-biventricular pacing. This study was designed to assess the safety and feasibility of an atrio-biventricular transvenous pacing system, and examine the long-term effects of cardiac resynchronization in patients with advanced heart failure and ventricular conduction abnormalities. Methods and results: between august, 1997 and november, 1998, 103 patients received a cardiac resynchronization system (crs) consisting of a pulse generator interfaced with an atrio-biventricular lead system, including a lead designed for left ventricular (lv) pacing via cardiac veins. Baseline evaluation included 12-lead electrocardiogram, estimation of new york heart association (nyha) functional class, assessment of quality of life (qol), and distance covered during a 6-min walk (6-mw). Detailed echocardiographic data were also collected in a subset of 46 patients. Measurements were repeated in all surviving patients at 1, 3, 6 and 12 months after implantation of the crs. viagra effects female A single, self-limiting procedure-related complication occurred. viagra viagra viagra no prescription Over a follow-up of 12 months, 21 patients died. buy viagra without prescription The 12-month actuarial survival was 78% (ci 70–87%). Nine surviving patients were withdrawn from the study during long-term follow-up for miscellaneous reasons. price of pfizer viagra in india At each point of follow-up, a significant shortening of qrs duration was measured. In addition, significant improvements were observed in mean nyha functional class, 6-mw and qol score. In the 46 patients with complete echocardiographic data, lv ejection fraction increased from 21. can you buy viagra over the counter in las vegas 7â±6. 4% at baseline to 26. viagra effects female 1â±9. 0% at last follow-up (p=0. 006), lv end diastolic dimension decreased from 72. 7â±9. 2 to 71. 6â±9. viagra canada online 1 mm (p=0. 233), interventricular mechanical delay decreased from 27. 5â±32. 1 to 20. order viagra 3â±25. 5 ms (p=0. viagra without a doctor prescription 243), mitral regurgitation apical four-chamber area decreased from 7. 66â±5. viagra effects female 5 to 6. is viagra ever covered by insurance 69â±5. 9 cm2 (p=0. 197), and left ventricular fil. 0312 468 07 75
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