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- Title
Third-Generation Mobile Phones (UMTS) Do Not Interfere with Permanent Implanted Pacemakers.
- Authors
ISMAIL, MOHAMED M.; BADRELDIN, AKMAL M. A.; HELDWEIN, MATTHIAS; HEKMAT, KHOSRO
- Abstract
Aims: Third-generation mobile phones, UMTS (Universal Mobile Telecommunication System), were recently introduced in Europe. The safety of these devices with regard to their interference with implanted pacemakers is as yet unknown and is the point of interest in this study. Methods and Results: The study comprised 100 patients with permanent pacemaker implantation between November 2004 and June 2005. Two UMTS cellular phones (T-Mobile, Vodafone) were tested in the standby, dialing, and operating mode with 23 single-chamber and 77 dual-chamber pacemakers. Continuous surface electrocardiograms (ECGs), intracardiac electrograms, and marker channels were recorded when calls were made by a stationary phone to cellular phone. All pacemakers were tested under a “worst-case scenario,” which includes a programming of the pacemaker to unipolar sensing and pacing modes and inducing of a maximum sensitivity setting during continuous pacing of the patient. Patients had pacemaker implantation between June 1990 and April 2005. The mean age was 68.4 ± 15.1 years. Regardless of atrial and ventricular sensitivity settings, both UMTS mobile phones (Nokia 6650 and Motorola A835) did not show any interference with all tested pacemakers. In addition, both cellular phones did not interfere with the marker channels and the intracardiac ECGs of the pacemakers. Conclusion: Third-generation mobile phones are safe for patients with permanent pacemakers. This is due to the high-frequency band for this system (1,800–2,200 MHz) and the low power output between 0.01 W and 0.25 W. (PACE 2010; 860–864)
- Subjects
EUROPE; CELL phones; CARDIAC pacemakers; UNIVERSAL Mobile Telecommunications System; PATIENT safety; SAFETY
- Publication
Pacing & Clinical Electrophysiology, 2010, Vol 33, Issue 7, p860
- ISSN
0147-8389
- Publication type
Article
- DOI
10.1111/j.1540-8159.2010.02707.x