Manufacturer's ref.No: (b)(4).Investigation summary: since the product has not been returned, no corrective action is warranted at this time.As a result, we are closing this investigation.If the complaint device is received in the future, we will reopen the complaint and perform the investigation as appropriate device history record (dhr) review cannot be conducted because the lot number was provided by the customer.If information is obtained that was not available for the initial report, a follow-up report will be filed as appropriate.
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This complaint is from a literature source.The literature article titled, ""wenckebach cycle length: a novel predictor for av block in avnrt patients treated with ablation"" written by lisette i.S.Wintgens, martijn n.Klaver, moniek maarse, stefan g.Spitzer, anke langbein, martin j.Swaans, vincent f.Van dijk, jippe c.Balt, maurits c.E.F.Wijffels, jan g.P.Tijssen, arif elvan, and lucas v.A.Boersma published by european society of cardiology 2021 jul 19;euab168.Doi: 10.1093/europace/euab168 pmid: pmid: 34279627 was reviewed.Model and catalog number are not available, but the suspected biosense device possibly associated with reported adverse events: smarttouch catheter.Other biosense products utilized in study: carto mapping system non-biosense products utilized in study: tacticath (abbott).Exact quantities of involved products cannot be accurately determined as the article does not specify which specific ablation catheters are associated with each adverse event.The following adverse event(s) were reported in this publication in table 3 captured under contact force: one tamponade (article does not discuss intervention provided), two pericarditis (article does not discuss intervention provided), two minor access site bleeding (article does not discuss intervention provided).Objective: a comparison study between pvac gold catheter or st-cf irf ablation with 3d mapping.Methods: pvac gold ablation was performed using the pvac gold catheter (medtronic, minneapolis, mn, usa) and the genius rf generator (genius contact iq, medtronic, minneapolis, mn, usa).For st-cf either smarttouch (biosense webster inc., ca, usa) or tacticath (abbott, usa) ablation catheters were allowed.3d navigation was performed with either biosense webster¿svr carto or abbott¿stm ensite velocity (navx).A total of 208 patients (105 vs.103) were included in the safety analysis and 206 patients (103 vs.103) in the efficacy analysis.
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