RT-99
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Evaluation of cellular phones
electromagnetic interferences on implantable cardioverter defibrillators functioning
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Eraldo Occhetta, Laura Plebani,
Gaudenzio Sacchetti*, Giampaolo Trevi.
Divisione Clinicizzata di Cardiologia, Universita degli Studi, Torino, Facolta di
Medicina e Chirurgia, Novara,
*Ufficio Tecnico, Azienda Ospedaliera Maggiore della Carita, Novara, Italy
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Study patients
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To evaluate mobile phone EMI interferences on ICD
patients, we have studied a wide range of products on the market in a population of 25
patients (22 males, 3 females) out of 92 implanted in our Centre from 1989 through 1997.
Patients selection was carried out, giving the preference to the younger most active
members of the group, who had re-established a good social life.
Defibrillators under control have been from Telectronics (n = 7; mod. 4210, 4215,
4310); CPI (n = 6; mod. Ventak PRX, Mini); Medtronic (n = 7; mod. Jewel); Ventritex (n =
3; mod. Cadet); Ela Medical (n = 3; mod. Defender).
The cellular telephones used for the study were:
1) for the analogic transmission TACS system a Sony mobile phone (CM R111, 2 Watts);
2) for the digital transmission GSM system a Motorola mobile phone (MG14A11, 2 Watts).
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