Psychological indices as predictors for phantom shocks in implantable cardioverter defibrillator recipients

A. Starrenburg, K. Kraaier, S.S. Pedersen, M. Scholten, J. van der Palen

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Background
A phantom shock—the sensation of an implantable cardioverter defibrillator (ICD) discharge in the absence of an actual discharge—is a phenomenon that can occur in ICD patients. Little is known about the influence of psychological factors on the incidence of phantom shocks. We evaluated psychological correlates of phantom shocks 2 years post-ICD implant in a cohort of Dutch ICD recipients.
Methods
Consecutive patients (N = 300; 87.5% men; mean age = 62.3) willing to participate in a prospective study (Twente ICD Cohort Study) on psychological factors in ICD recipients received an ICD between September 2007 and February 2010. At baseline, patients complete the 36-item Short Form Health Survey, Hospital Anxiety and Depression Scale, and the Type D Scale. Lifetime presence of anxiety and depression was assessed with the MINI structural interview.
Results
During a follow-up of 24 months, 16 patients (5.4%) experienced a phantom shock. Median time to (first) phantom shock was 13 weeks (range 0–48 weeks). In univariable analysis, no significant relationships were found between clinical or psychological indices and the occurrence of phantom shocks, nor was there an association between phantom shocks and type D personality, symptoms of anxiety, or a history of anxiety and depression.
Conclusions
Neither symptoms of anxiety and depression nor psychiatric history were associated with the occurrence of phantom shocks. Further studies using more explorative, qualitative research techniques are warranted to examine the correlates of phantom shocks.
Original languageEnglish
Pages (from-to)768–773
JournalPACE. Pacing and Clinical Electrophysiology
Volume37
Issue number6
DOIs
Publication statusPublished - 2014

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Implantable Defibrillators
Depression
Phantom Limb
Health Surveys
Interviews
Incidence

Cite this

Starrenburg, A. ; Kraaier, K. ; Pedersen, S.S. ; Scholten, M. ; van der Palen, J. / Psychological indices as predictors for phantom shocks in implantable cardioverter defibrillator recipients. In: PACE. Pacing and Clinical Electrophysiology. 2014 ; Vol. 37, No. 6. pp. 768–773.
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abstract = "BackgroundA phantom shock—the sensation of an implantable cardioverter defibrillator (ICD) discharge in the absence of an actual discharge—is a phenomenon that can occur in ICD patients. Little is known about the influence of psychological factors on the incidence of phantom shocks. We evaluated psychological correlates of phantom shocks 2 years post-ICD implant in a cohort of Dutch ICD recipients.MethodsConsecutive patients (N = 300; 87.5{\%} men; mean age = 62.3) willing to participate in a prospective study (Twente ICD Cohort Study) on psychological factors in ICD recipients received an ICD between September 2007 and February 2010. At baseline, patients complete the 36-item Short Form Health Survey, Hospital Anxiety and Depression Scale, and the Type D Scale. Lifetime presence of anxiety and depression was assessed with the MINI structural interview.ResultsDuring a follow-up of 24 months, 16 patients (5.4{\%}) experienced a phantom shock. Median time to (first) phantom shock was 13 weeks (range 0–48 weeks). In univariable analysis, no significant relationships were found between clinical or psychological indices and the occurrence of phantom shocks, nor was there an association between phantom shocks and type D personality, symptoms of anxiety, or a history of anxiety and depression.ConclusionsNeither symptoms of anxiety and depression nor psychiatric history were associated with the occurrence of phantom shocks. Further studies using more explorative, qualitative research techniques are warranted to examine the correlates of phantom shocks.",
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Psychological indices as predictors for phantom shocks in implantable cardioverter defibrillator recipients. / Starrenburg, A.; Kraaier, K.; Pedersen, S.S.; Scholten, M.; van der Palen, J.

In: PACE. Pacing and Clinical Electrophysiology, Vol. 37, No. 6, 2014, p. 768–773.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Starrenburg, A.

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AU - van der Palen, J.

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N2 - BackgroundA phantom shock—the sensation of an implantable cardioverter defibrillator (ICD) discharge in the absence of an actual discharge—is a phenomenon that can occur in ICD patients. Little is known about the influence of psychological factors on the incidence of phantom shocks. We evaluated psychological correlates of phantom shocks 2 years post-ICD implant in a cohort of Dutch ICD recipients.MethodsConsecutive patients (N = 300; 87.5% men; mean age = 62.3) willing to participate in a prospective study (Twente ICD Cohort Study) on psychological factors in ICD recipients received an ICD between September 2007 and February 2010. At baseline, patients complete the 36-item Short Form Health Survey, Hospital Anxiety and Depression Scale, and the Type D Scale. Lifetime presence of anxiety and depression was assessed with the MINI structural interview.ResultsDuring a follow-up of 24 months, 16 patients (5.4%) experienced a phantom shock. Median time to (first) phantom shock was 13 weeks (range 0–48 weeks). In univariable analysis, no significant relationships were found between clinical or psychological indices and the occurrence of phantom shocks, nor was there an association between phantom shocks and type D personality, symptoms of anxiety, or a history of anxiety and depression.ConclusionsNeither symptoms of anxiety and depression nor psychiatric history were associated with the occurrence of phantom shocks. Further studies using more explorative, qualitative research techniques are warranted to examine the correlates of phantom shocks.

AB - BackgroundA phantom shock—the sensation of an implantable cardioverter defibrillator (ICD) discharge in the absence of an actual discharge—is a phenomenon that can occur in ICD patients. Little is known about the influence of psychological factors on the incidence of phantom shocks. We evaluated psychological correlates of phantom shocks 2 years post-ICD implant in a cohort of Dutch ICD recipients.MethodsConsecutive patients (N = 300; 87.5% men; mean age = 62.3) willing to participate in a prospective study (Twente ICD Cohort Study) on psychological factors in ICD recipients received an ICD between September 2007 and February 2010. At baseline, patients complete the 36-item Short Form Health Survey, Hospital Anxiety and Depression Scale, and the Type D Scale. Lifetime presence of anxiety and depression was assessed with the MINI structural interview.ResultsDuring a follow-up of 24 months, 16 patients (5.4%) experienced a phantom shock. Median time to (first) phantom shock was 13 weeks (range 0–48 weeks). In univariable analysis, no significant relationships were found between clinical or psychological indices and the occurrence of phantom shocks, nor was there an association between phantom shocks and type D personality, symptoms of anxiety, or a history of anxiety and depression.ConclusionsNeither symptoms of anxiety and depression nor psychiatric history were associated with the occurrence of phantom shocks. Further studies using more explorative, qualitative research techniques are warranted to examine the correlates of phantom shocks.

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