By a News Reporter-Staff News Editor at Medical Devices & Surgical Technology Week -- Investigators publish new report on Heart Disorders and Diseases - Atrial Fibrillation. According to news reporting from Miyagi, Japan, by NewsRx journalists, research stated, “The Cox maze IV (CMIV) procedure is being used increasingly frequently for surgical ablation of atrial fibrillation (AF). This study aimed to identify the risk factors of the need for postoperative pacemaker implantation (PMI) after CMIV.”

The news correspondents obtained a quote from the research from Tohoku University, “Preoperative, intraoperative, and postoperative data were retrospectively collected from 67 consecutive patients who underwent CMIV at our institution; 7 (10.4%) required PMI (as a treatment of brady AF or sick sinus syndrome). Patients who needed PMI tended to have lower preoperative heart rates than those who did not on a 12-lead electrocardiogram (ECG; 68.7 +/- 11.6 vs. 79.1 +/- 18.5 bpm, p = 0.07) and a 24-h ECG (94,772 +/- 9800 vs. 109,854 +/- 19,078 beats/day, p = 0.03). A multivariate analysis identified a low amplitude of the fibrillatory wave on preoperative ECG as a risk factor of PMI necessity after CMIV [odds ratio = 14.7; 95% confidence interval (CI) 1.9-324.7; p = 0.007] and internal use of angiotensin-converting enzyme inhibitors or angiotensin receptor blockers (ACEIs/ARBs) as a negative risk factor (odds ratio = 0.16; 95% CI 0.02-0.99; p = 0.049). A low amplitude of the fibrillatory wave was identified as a risk factor of PMI necessity, whereas the internal use of ACEIs/ARBs diminished the need for PMI.”

According to the news reporters, the research concluded: “These factors should be considered before CMIV is performed.”

For more information on this research see: Predictors of the need for pacemaker implantation after the Cox maze IV procedure for atrial fibrillation. Surgery Today , 2018;48(5):495-501. Surgery Today can be contacted at: Springer, 233 Spring St, New York, NY 10013, USA. (Springer - www.springer.com; Surgery Today - http://www.springerlink.com/content/0941-1291/)

Our news journalists report that additional information may be obtained by contacting Y. Saiki, Tohoku University, Grad Sch Med, Div Cardiovasc Surg, Aoba Ku, Sendai, Miyagi 9808574, Japan. Additional authors for this research include S. Kawamoto, N. Motoyoshi, O. Adachi, K. Kumagai, S. Kawatsu, Y. Hayatsu, S. Katahira, K. Hosoyama, M. Akiyama and N. Masaki.

The direct object identifier (DOI) for that additional information is: https://doi.org/10.1007/s00595-017-1614-7. This DOI is a link to an online electronic document that is either free or for purchase, and can be your direct source for a journal article and its citation.

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2018, NewsRx LLC

CITATION: (2018-05-06), Researchers from Tohoku University Report on Findings in Atrial Fibrillation (Predictors of the need for pacemaker implantation after the Cox maze IV procedure for atrial fibrillation), Medical Devices & Surgical Technology Week, 947, ISSN: 1537-1417, BUTTER® ID: 015572328

From the newsletter Medical Devices & Surgical Technology Week.
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