Atrioventricular block in preterm infants caused by hypocalcaemia: a case report and review of the literature

Stefanaki, Evangelia; Koropuli, Marina; Stefanaki, Sofia; Tsilimigaki, Amalia

doi:10.1016/j.ejogrb.2004.09.012

Cited by 12 publications

(5 citation statements)

References 2 publications

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“…Although tachycardia caused by hypocalcemia is common, AVB has only been reported in a few cases and the exact mechanism remains unclear. [33][34][35][36][37][38] In the present study, the incidence rates of both AVB and VT/VF were higher in the hypocalcemia group than in the normal serum calcium group, suggesting that hypocalcemia led to severe arrhythmias. Moreover, VT/VF was the most common cause of death among the acute viral myocarditis patients in this study.…”

Section: Possible Mechanism Of Hypocalcemia In Acute Viral Myocarditismentioning

confidence: 76%

“…Dramatic clinical improvement was observed upon treatment with intravenous 10% calcium gluconate in several case reports of arrhythmias. [33][34][35][36][37][38] However, in other cases of critical illness, calcium supplementation has been shown to increase mortality rates. 39) Furthermore, no evidence that calcium supplementation reduces mortality among overall ICU patients is yet available.…”

Section: Possible Mechanism Of Hypocalcemia In Acute Viral Myocarditismentioning

confidence: 99%

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Impact of Hypocalcemia on the Prognosis of Patients with Acute Myocarditis

Zhu

Jiang

et al. 2023

Int. Heart J.

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Acute viral myocarditis is a serious complication of viral infectious diseases, including coronavirus disease 2019 . To better understand the pathogenesis of acute viral myocarditis, we retrospectively analyzed the incidence and prognostic significance of hypocalcemia among patients with acute myocarditis, most of whom were considered to have acute viral myocarditis. We retrospectively reviewed the demographic and clinical data of patients with clinically confirmed acute myocarditis treated in our hospital over a 13-year period from 2006 to 2019, including laboratory results, cardiac imaging findings, and clinical outcomes. These data were compared between lower, middle, and higher calcium groups depending on the minimum calcium level measured during hospitalization. Among the 288 patients with acute myocarditis included, the hypocalcemia group (lower calcium group) had poorer clinical and laboratory results, received more medications and device support, and experienced poorer outcomes, including heart failure, arrhythmias, and death. Specifically, the left ventricular ejection fraction was significantly lower, and the length of hospital stay was significantly longer in the hypocalcemia group than in the other two groups. Furthermore, the incidence rates of atrioventricular block, ventricular tachycardia/ventricular fibrillation, cardiogenic shock, and mortality were significantly higher in the hypocalcemia group. Multivariate Cox regression analysis identified hypocalcemia as an independent risk factor for 30-day mortality in patients with acute myocarditis. In conclusion, the clinical evidence provided by the present study indicates that hypocalcemia is a risk factor for poorer outcomes in patients with acute myocarditis that should be considered carefully in the diagnosis and treatment of these patients.

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Section: Possible Mechanism Of Hypocalcemia In Acute Viral Myocarditismentioning

confidence: 76%

Section: Possible Mechanism Of Hypocalcemia In Acute Viral Myocarditismentioning

confidence: 99%

Impact of Hypocalcemia on the Prognosis of Patients with Acute Myocarditis

Zhu

Jiang

et al. 2023

Int. Heart J.

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“…Hypocalcaemia-induced second- and third-degree atrioventricular block has been described in the neonatal and paediatric populations. 4 We describe here the first case of osteomalacia presenting with both hypocalcaemia convulsions and second-degree atrioventricular block. We believe that seizures were related to low calcium as no ventricular arrhythmias were recorded.…”

Section: Discussionmentioning

confidence: 86%

Beyond a prolonged QT interval

et al. 2013

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“…[11] In a case without cardiac defect Ca gluconate administration resolved bradycardia and ECG tracings returned to normal . [12] Transient transcutaneous pacemaker has been used to manage bradycardia in children and adults. [13] However in our case since AV block was rapidly returned to normal sinus rhythm following calcium infusion, any invasive intervention was not required.…”

Section: Discussionmentioning

confidence: 99%

A rare cause of 2: 1 Atrioventricular block and congestive heart failure in preterm infants: Hypocalsemia

Azak¹

2016

Arch Turk Soc Cardiol

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Atrioventricular (AV) block in the neonatal period is a rare disorder. It is frequently associated with underlying structural congenital heart disease and maternal lupus. Presently described is premature baby who developed 2:1 AV block and congestive heart failure due to hypocalcemia. Dramatic clinical improvement was observed following treatment of intravenous 10% calcium gluconate. Therefore, it is suggested that serum calcium level of newborns with AV block and congestive heart failure be measured.

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Atrioventricular block in preterm infants caused by hypocalcaemia: a case report and review of the literature

Cited by 12 publications

References 2 publications

Impact of Hypocalcemia on the Prognosis of Patients with Acute Myocarditis

Impact of Hypocalcemia on the Prognosis of Patients with Acute Myocarditis

Beyond a prolonged QT interval

A rare cause of 2: 1 Atrioventricular block and congestive heart failure in preterm infants: Hypocalsemia

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