Neonatal supraventricular tachycardia

Srinivasan, Chandra; Balaji, Seshadri

doi:10.1016/j.ipej.2019.09.004

Cited by 23 publications

(19 citation statements)

References 41 publications

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“…Their report may reflect the true incidence of arrhythmias determined via Holter ECG, yet infrequent PACs or PVCs are arrhythmias that may have resolved spontaneously even when unidentified and untreated. While male infants are considered to have a higher incidence of arrhythmias, 3 , 8 , 9 we did not find any difference in incidence between male and female infants in our study (male, 48%).…”

Section: Discussioncontrasting

confidence: 76%

Incidence of non‐benign arrhythmia in neonatal intensive care unit: 18 years experience from a single center

Doi

Ueda

Ogino

et al. 2022

Journal of Arrhythmia

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Background: Non-benign arrhythmias, which require urgent recognition and care in neonatal intensive care unit (NICU) settings, are rare but can severely impact neonates. We aimed to clarify the epidemiology and characteristics of non-benign arrhythmias and their influence on neonates. Methods: This single-center retrospective study included patients admitted to the NICU at Kurashiki Central Hospital between January 2001 and December 2019. Only patients with structurally normal hearts were included. The use of direct cardioversion (DC), antiarrhythmic agents, and the presence of risk factors was reviewed from medical records. Results: Of the 8082 admissions, 2919 patients (36.1%) were low birth weight infants (LBWI) weighing less than 1500 g. There were 23 patients with arrhythmias (nine of them were LBWIs) with an incidence of 0.28%. There were 16 patients with tachyarrhythmia (eight supraventricular tachycardia [SVT] cases, three atrial flutters [AFL]cases, three ventricular tachycardia cases, two junctional ectopic tachycardia cases), and seven with bradyarrhythmia (all with complete atrioventricular [AV] block). For tachyarrhythmia cases, seven patients required DC, and eight were on antiarrhythmic agents at the time of discharge. Two patients (28.5%) with complete AV block required pacemaker implantation before discharge. The treatment strategy was dependent on the type of arrhythmia. All patients were discharged without significant morbidities. Conclusions:The incidence of non-benign arrhythmias was as low as 0.28%.Arrhythmias can be managed successfully in neonates, yet risk factors related to mortality warrant further study.

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Section: Discussioncontrasting

confidence: 76%

Incidence of non‐benign arrhythmia in neonatal intensive care unit: 18 years experience from a single center

Doi

Ueda

Ogino

et al. 2022

Journal of Arrhythmia

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“…SVT is defined as a narrow QRS complex tachycardia that requires atrial tissue or AV node as an arrhythmia substrate [ 1 ], and the mechanism of development is divided into re-entry and automaticity [ 5 , 6 ]. In children, SVT is mainly caused by the re-entry mechanism; however, it is known that SVT due to the automaticity mechanism is more prevalent in infants than that in children or adolescents and accounts for 15% of total SVT incidents [ 7 ].…”

Section: Discussionmentioning

confidence: 99%

Effective Control of Supraventricular Tachycardia in Neonates May Requires Combination Pharmacologic Therapy

Lim

Kim

Kwon

2022

JCM

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Introduction: Supraventricular tachycardia (SVT) is one of the arrhythmias that can occur in newborns. Most SVT incidents in the neonatal period are spontaneously resolved around the first year of life, but since tachycardia can frequently occur before complete resolution, appropriate medication use is required. However, no clear guidelines or consensus on the treatment of neonatal SVT have been established yet. Methods: From January 2011 to December 2021, demographic data and antiarrhythmic medications used were retrospectively analyzed for 18 newborns diagnosed with SVT at a single center. Results: A total of four medications (propranolol, amiodarone, flecainide, and atenolol) were used as maintenance therapy to prevent tachycardia recurrence, and propranolol was the most used, followed by amiodarone. Thirty-nine percent of the patients were controlled with monotherapy, but the remainder required two or more medications. The median period from medication initiation after diagnosis to the last tachycardia event was 15.5 days, and the median total duration of medication use was 362 days. None of the patients experienced any side effects of antiarrhythmic medications. The total duration of medication use was statistically significant according to the mechanism of SVT, and the usage time of the increased automaticity group was shorter than that of the re-entry group. Conclusion: Since most neonatal SVT resolves within 1 year, it is significant to provide prophylactic medication to prevent tachycardia recurrence at least until 1 year of age, and depending on the patient, the appropriate combination of medications should be identified.

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“… 4 Among arrhythmias in neonates, the most common is SVT, with an incidence of 1 per 250–1,000 paediatric patients. 5 , 6 Atrial flutter occurs less often, with an incidence of 2.1 per 100,000 live births, and typically does not reoccur after treatment. 4 , 6 While one study of 44 neonates with atrial flutter showed that 25% had a second atrial arrhythmia, none of them had an underlying genetic syndrome.…”

Section: Discussionmentioning

confidence: 99%

Neonatal arrhythmias in Turner syndrome: a case report and review of the literature

Choi

Hoffman

Alarcon

et al. 2021

European Heart Journal - Case Reports

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Background While left-sided congenital heart defects have been well described in females with Turner syndrome (45, X), the literature is scarce regarding arrhythmias in this patient population. Case summary A full-term neonate referred to cardiology was found to have a non-apex forming left ventricle and partial anomalous pulmonary venous return. During the echocardiogram, she developed atrial flutter, followed by orthodromic reentrant supraventricular tachycardia (SVT). She was started on propranolol and eventually switched to sotalol due to breakthrough SVT. A genetics evaluation revealed Turner syndrome with complete monosomy X (45, X). The patient is now 18 months old and has not had any further arrhythmias. Discussion We present a rare case of atrial flutter followed by supraventricular tachycardia in a neonate with Turner syndrome and left-sided heart defects. This case highlights the importance of early and precise investigation of cardiac abnormalities in neonatal patients, especially among females with Turner syndrome given their relatively higher risk of cardiovascular disease compared to the general population.

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Neonatal supraventricular tachycardia

Cited by 23 publications

References 41 publications

Incidence of non‐benign arrhythmia in neonatal intensive care unit: 18 years experience from a single center

Incidence of non‐benign arrhythmia in neonatal intensive care unit: 18 years experience from a single center

Effective Control of Supraventricular Tachycardia in Neonates May Requires Combination Pharmacologic Therapy

Neonatal arrhythmias in Turner syndrome: a case report and review of the literature

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