Long-Term Recording of Cardiac Arrhythmias With an Implantable Cardiac Monitor in Patients With Reduced Ejection Fraction After Acute Myocardial Infarction

Thomsen, Poul Erik Bloch; Jøns, Christian; Raatikainen, M.J. Pekka; Joergensen, Rikke Moerch; Hartikainen, Juha; Virtanen, Vesa; Boland, Jean; Anttonen, Olli; Gang, Uffe Jakob Ortved; Hoest, Nis; Boersma, Lucas V.A.; Platou, Eivin S.; Becker, Daniel E.; Messier, Marc; Huikuri, Heikki V.

doi:10.1161/circulationaha.109.902148

Cited by 239 publications

(94 citation statements)

References 34 publications

(21 reference statements)

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“…First-shock efficacy was 99% (n=79 of 80), and post-VT/VF survival was 90% (n=72 of 80). Consistent with other studies of sudden death events, 58 a substantial number of sudden cardiac arrests were attributable to non-VT/VF events (25%), including 23 asystole events.…”

Section: Clinical Experience With Wcdssupporting

confidence: 90%

Wearable Cardioverter-Defibrillator Therapy for the Prevention of Sudden Cardiac Death

Piccini¹,

Allen²,

Kudenchuk³

et al. 2016

Circulation

117

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Section: Clinical Experience With Wcdssupporting

confidence: 90%

Wearable Cardioverter-Defibrillator Therapy for the Prevention of Sudden Cardiac Death

Piccini¹,

Allen²,

Kudenchuk³

et al. 2016

Circulation

117

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“…4 As many devices with different characteristics are available, the choice of the most suitable monitoring system largely depends on the likelihood of detecting a significant correlation between symptoms and ECG findings. 1 …”

Section: Cardiac Monitoring Systemsmentioning

confidence: 99%

“…2 Locati and colleagues reported a similar diagnostic yield over 1 month between ELRs and ILRs in presyncope, syncope and palpitations. 4 The authors concluded that an ELR may be indicated for the initial screening of patients with recurrent unexplained syncope or presyncope in place of a more expensive ILR, which remains an option if, after 1 month, monitoring with an ELR has proven negative. 13 The International Study on Syncope of Uncertain Etiology (ISSUE-1) study showed that the majority of syncopal events documented with an ILR is likely to be neurally mediated, with asystolic pauses and reflex bradycardia being the most frequently associated rhythm disturbances.…”

Section: Loop Recorders In Syncope and Palpitationsmentioning

confidence: 99%

“…45 Considering that none of the patients with an ICD had a sudden death during the 2-year follow-up, 45 an ILR may prompt the early implantation of an ICD when potentially life-threatening ventricular arrhythmias are present, even when the patient is asymptomatic (a sustained VT occurred asymptomatically in about 50 % of cases). 4 A Cox regression analysis performed by the CARISMA study group showed that sustained VT neither predicted cardiac death nor all-cause mortality. 4 However, after an episode of sustained VT or ventricular fibrillation was documented on the ILR, an ICD was implanted for secondary prevention.…”

Section: 36mentioning

confidence: 99%

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Holter Monitoring and Loop Recorders: From Research to Clinical Practice

Galli¹,

Ambrosini²,

Lombardi³

2016

Arrhythmia &Amp; Electrophysiology Review

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Since the 1960s, Holter monitoring has been a cornerstone for diagnosing suspected arrhythmias in patients of all ages. 1 The most common monitoring systems allow the continuous registration of three or more leads for 24-48 hours; newer Holter monitors allow continuous electrocardiogram (ECG) registration for 2 weeks.1 Extending the time of ECG registration will increase the diagnostic yield of Holter monitoring, especially for those rhythm disturbances that are infrequent but recurrent.1,2 This need for a prolonged ECG monitoring has been addressed by event recorders, which can monitor patients for up to 3 years, storing the ECG obtained a few minutes before and after the onset of an arrhythmia in its memory and transmitting data to the cardiac unit. 1,2 When interpreting the results of the ECG, the cardiologist has to determine whether symptoms reported by the patient could be linked to significant disturbances in heart rhythm.2 In other circumstances the detection of atrial or ventricular arrhythmias may alert the cardiologist, even if they occur asymptomatically, thus prompting a specific therapeutic decision such as starting antiarrhythmic or anticoagulant drugs or implanting a pacemaker or a cardioverter defibrillator. Cardiac Monitoring SystemsCardiac rhythm monitoring has an established diagnostic and prognostic role in different circumstances: syncope, palpitations and monitoring of patients with known or suspected episodes of atrial fibrillation (AF), e.g. those with stroke of uncertain aetiology (cryptogenic stroke).1-3 ECG monitoring may also play a role in identifying ventricular tachycardia (VT) in patients with recognised risk of sudden cardiac death. 4 As many devices with different characteristics are available, the choice of the most suitable monitoring system largely depends on the likelihood of detecting a significant correlation between symptoms and ECG findings. Holter MonitorsTraditional ambulatory Holter monitors are simple devices that usually have three leads and continuously register the ECG. They can be short-(24-48 hours) or long-duration (1-2 weeks) devices.1 Two-week Holter monitoring is preferred when diagnosing or excluding AF in cryptogenic stroke, but loop recorders and outpatient telemetry have even higher detection rates. Loop Recorders and Post-event RecordersNewer generation monitors are the so-called event recorders.According to their specific functions they can be divided into two categories: loop recorders, which include external loop recorders (ELRs) and implantable loop recorders (ILRs); and post-event recorders (non-looping recorders). 1 AbstractHolter monitors are tools of proven efficacy in diagnosing and monitoring cardiac arrhythmias. Despite the fact their use is widely prescribed by general practitioners, little is known about their evolving role in the management of patients with cryptogenic stroke, paroxysmal atrial fibrillation, unexplained recurrent syncope and risk stratification in implantable cardioverter defibrillator or pacemaker candidates. New Holt...

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“…The RAFT trial suggested that, compared to ICD, CRT-D did not reduce morbidity or mortality in patients with atrial fibrillation [16]. Bradyarrhythmias may be an important cause of sudden death in patients with heart failure [67], and this may be one of the reasons why CRT, even without a defibrillator function, can reduce the risk of sudden death [68,69]. Whether CRT-D is superior to CRT alone is uncertain.…”

mentioning

confidence: 99%