Electrocardiographic Markers of Sudden Death

Ott, Peter; Marcus, Frank I.

doi:10.1016/j.ccl.2006.03.004

Cited by 12 publications

(6 citation statements)

References 78 publications

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“…In previous studies, QRS ≥ 120 ms has been independently associated with all-cause mortality 15,16 and sudden death. [14][15][16] Though mean QRS duration in our patients with severe OSA was < 120 ms, it is notable that only severe OSA subjects had a QRS ≥ 100 ms while this finding was absent in others. We can speculate that changes in QRS duration occur slowly and move in only one direction (wider).…”

Section: Previous Studiesmentioning

confidence: 80%

Association between QRS Duration and Obstructive Sleep Apnea

Gupta

Cepeda-Valery

Romero‐Corral

et al. 2012

Journal of Clinical Sleep Medicine

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Section: Previous Studiesmentioning

confidence: 80%

Association between QRS Duration and Obstructive Sleep Apnea

Gupta

Cepeda-Valery

Romero‐Corral

et al. 2012

Journal of Clinical Sleep Medicine

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“…8,84,85 These conditions are rare in the community; however, QT-interval prolongation and dispersion, which are more common and indicate prolonged repolarization, have also been associated with SCD in the general population. 2,86,87 Individuals with a corrected QT interval of greater than 440 ms have a 2.3-fold higher risk of SCD than those with corrected QT interval of less than 440 ms, independent of age, sex, heart rate, and drug use.…”

Section: Risk Factors For Scdmentioning

confidence: 99%

Sudden cardiac death: epidemiology and risk factors

Adabag¹,

et al. 2010

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Sudden cardiac death (SCD) is an important public-health problem with multiple etiologies, risk factors, and changing temporal trends. Substantial progress has been made over the past few decades in identifying markers that confer increased SCD risk at the population level. However, the quest for predicting the high-risk individual who could be a candidate for an implantable cardioverter-defibrillator, or other therapy, continues. In this article, we review the incidence, temporal trends, and triggers of SCD, and its demographic, clinical, and genetic risk factors. We also discuss the available evidence supporting the use of public-access defibrillators.

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“…It has been found that a QRS complex longer than 120 msec is independent predictor of mortality and sudden death (21,22) . In the present study, although mean duration of QRS complex was shorter than 120 msec (0.111 ± .016 sec) in Group 1 consisted of patients with severe OSA, it was higher than mean In conclusion, based on the results of the present study, it can be said that duration of QRS complex is longer in the subjects with severe OSA as compared to those with mildmoderate OSA.…”

Section: Discussionmentioning

confidence: 99%

“…Normal duration of QRS complex is between 0.04 and 0.08 sec. Ott et al expressed that a QRS complex of 120 milliseconds (msec) and longer is an independent risk factor for sudden death (22) .…”

Section: Discussionmentioning

confidence: 99%

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Relation Between Obstructive Sleep Apnea and Duration of QRS Complex

Karamanli¹,

Aygün²

2015

Kosuyolu Heart Journal

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Introduction:To investigate the relation between severity of obstructive sleep apnea (OSA) and widened QRS complex on electrocardiogram. Patients and Methods:The present study comprised 85 subjects diagnosed with OSA at our clinic between March 2013 and September 2014. PSG reports were reviewed by a self-proclaimed expert physician. Whilst the patients with severe sleep apnea disease were assigned to Group 1, patients with mild-moderate sleep apnea disease were assigned to Group 2. Results:The age of the patients participated in the study ranged between 20 years (y) (minimum-min) and 85 years (maximum-max) (mean ± standard deviation 48.5 ± 13.2 y). Of these subjects, 51 (60%) were male and 34 (40%) were female. Mean duration of QRS complex was 0.112 ± 0.016 seconds (sec) in Group I consisted of patients with severe OSA of which Polysomnography (PSG) records and scoring were done using ALICE 6 system, whereas it was 0.080 ± 0.017 sec in Group 2. Conclusion:It was observed that duration of QRS complex was longer in the patients with severe OSA as compared to those with mild-moderate OSA. The result was statistically signifi cant (p< 0.01). Bulgular: Çalışmaya katılan tüm bireylerin yaş dağılımı; minimum(min) 20 yıl (y), maksimum(max) 85 yıldır (ortalama ± standart sapma 48.5 ± 13.2 y). Bu kişilerin 51 (%60)'i erkek, 34 (%40)' ü kadındır. Polisomnografi (PSG) kayıtları ve skorlaması ALICE 6 system kullanılarak oluşturulan, şiddetli OSA'sı olan bireyleri içeren Grup 1'de QRS süresi 0.112 ± 0.016 saniye iken Grup 2' de 0,080 ± 0,017 saniye olduğu görüldü. Sonuç:Şiddetli OSA'sı olan bireylerin, hafi f ve orta şiddette OSA'sı olan bireylere göre QRS sürelerinin yüksek olduğu görüldü. Sonucun istatiksel olarak anlamlı olduğu tespit edildi (p< 0.01).

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Electrocardiographic Markers of Sudden Death

Cited by 12 publications

References 78 publications

Association between QRS Duration and Obstructive Sleep Apnea

Association between QRS Duration and Obstructive Sleep Apnea

Sudden cardiac death: epidemiology and risk factors

Relation Between Obstructive Sleep Apnea and Duration of QRS Complex

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