Lead integrity alert algorithm decreases inappropriate shocks in patients who have Sprint Fidelis pace-sense conductor fractures

Kallinen, Linda M.; Hauser, Robert G.; Tang, Chuen; Melby, Daniel P.; Almquist, Adrian K.; Katsiyiannis, William T.; Gornick, Charles C.

doi:10.1016/j.hrthm.2010.05.015

Cited by 55 publications

(47 citation statements)

References 14 publications

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“…The largest study addressing the issue suggested that patients can tolerate living with an ICD advisory but manifest psychological distress if they experience an inappropriate shock [19]. The current study, in accordance with recent reports, suggests that the LIA is an effective method for detecting most Fidelis lead fractures and for decreasing the incidence and number of inappropriate shocks [20,21].…”

Section: Discussionsupporting

confidence: 89%

Natural history of the Sprint Fidelis lead: survival analysis from a large single-center study

Tzogias

Bellavia

Sharma

et al. 2012

J Interv Card Electrophysiol

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Section: Discussionsupporting

confidence: 89%

Natural history of the Sprint Fidelis lead: survival analysis from a large single-center study

Tzogias

Bellavia

Sharma

et al. 2012

J Interv Card Electrophysiol

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“…(3,4,6,(14)(15)(16)(17)(18)(19)(20)(21) Early detection allows prompt management of arrhythmias, early management of device malfunction and device reprogramming to reduce inappropriate defibrillator shocks. (18,22,23) Compliance to remote monitoring was good, with an overall missed transmission rate of 11.8%. This takes into account the more intensive schedule of monthly checks during this pilot study in comparison to common practice worldwide.…”

Section: Discussionmentioning

confidence: 99%

Remote monitoring of patients with cardiac implantable electronic devices: a Southeast Asian, single-centre pilot study

Lim

Lee

Chua

et al. 2016

smedj

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INTRODUCTIONRemote monitoring of cardiac implantable electronic devices (CIED) has been shown to improve patient safety and reduce in-office visits. We report our experience with remote monitoring via the Medtronic CareLink ® network. METHODSPatients were followed up for six months with scheduled monthly remote monitoring transmissions in addition to routine in-office checks. The efficacy of remote monitoring was evaluated by recording compliance to transmissions, number of device alerts requiring intervention and time from transmission to review. Questionnaires were administered to evaluate the experiences of patients, physicians and medical technicians. RESULTSA total of 57 patients were enrolled; 16 (28.1%) had permanent pacemakers, 34 (59.6%) had implantable cardioverter defibrillators and 7 (12.3%) had cardiac resynchronisation therapy defibrillators. Overall, of 334 remote transmissions scheduled, 73.7% were on time, 14.5% were overdue and 11.8% were missed. 84.6% of wireless transmissions were on time, compared to 53.8% of non-wireless transmissions. Among all transmissions, 4.4% contained alerts for which physicians were informed and only 1.8% required intervention. 98.6% of remote transmissions were reviewed by the second working day. 73.2% of patients preferred remote monitoring. Physicians agreed that remote transmissions provided information equivalent to in-office checks 97.1% of the time. 77.8% of medical technicians felt that remote monitoring would help the hospital improve patient management. No adverse events were reported.

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“…These data point in a similar direction, although with less magnitude, as 2 previous single-center experiences. 26,27 Inappropriate shocks were a first sign of lead failure in 69% 26 and 52% 27 of patients preceding LIA and in only 17% 26 and 21% 27 of patients after LIA was uploaded. Both studies also reported that, in patients presenting with IS, the mean number of shocks was reduced; however, we did not observe this in our study.…”

Section: Birnie Et Al Predictors Of Fidelis Lead Failurementioning

confidence: 99%

Clinical Predictors of Fidelis Lead Failure

Birnie

Parkash²,

Exner³

et al. 2012

Circulation

103

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Background-Approximately 268 000 Fidelis leads were implanted worldwide until distribution was suspended because of a high rate of early failure. Careful analyses of predictors of increased lead failure hazard are required to help direct future lead design and also to inform decision making on lead replacement. We sought to perform a comprehensive analysis of all potential predictors in a multicenter study. Methods and Results-A total of 3169 Sprint Fidelis leads were implanted in 11 centers with a total of 251 failures. Lead failure rates at 3, 4, and 5 years were 5.3%, 10.6%, and 16.8%, respectively. The rate of lead failure continues to accelerate (PϽ0.001). There were 4 independent predictors of failure: center, sex, access vein, and previous lead failure. Women had a higher hazard of failure (hazard ratio 1.51; 95% confidence interval, 1.14 -2.04; Pϭ0.005). Both axillary and subclavian access increased the hazard of failure (Pϭ0.007); hazard ratio for axillary was 1.94, (95% confidence interval, 1.23-3.04) and for subclavian 1.63 (95% confidence interval, 1.08 -2.46). Previous lead failure increased the hazard of a subsequent Fidelis failure with a hazard ratio of 3.12 (95% confidence interval, 1.80 -5.41; PϽ0.001). Conclusions-The rate of Fidelis failure continues to increase over time, with failures approaching 17% at 5 years.Women, patients with leads inserted via the subclavian or axillary vein, and those with a previous lead fracture were at greatest risk of Fidelis failure. Our data suggest that Fidelis replacement should be strongly considered at the time of generator replacement. (Circulation. 2012;125:1217-1225.)

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Lead integrity alert algorithm decreases inappropriate shocks in patients who have Sprint Fidelis pace-sense conductor fractures

Cited by 55 publications

References 14 publications

Natural history of the Sprint Fidelis lead: survival analysis from a large single-center study

Natural history of the Sprint Fidelis lead: survival analysis from a large single-center study

Remote monitoring of patients with cardiac implantable electronic devices: a Southeast Asian, single-centre pilot study

Clinical Predictors of Fidelis Lead Failure

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