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Isolated ictal apnea in neonatal age: Clinical features and treatment options. A systematic review

  • Raffaele Falsaperla
    Affiliations
    Neonatal Intensive Care Unit [NICU], AOU “Rodolico - San Marco”, PO “San Marco”, University of Catania, Catania, Italy

    Unit of Pediatrics and Pediatric Emergency, AOU "Rodolico - San Marco", PO "San Marco", University of Catania, Catania, Italy
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  • Maria Chiara Consentino
    Affiliations
    Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, Unit of Rare Diseases of the Nervous System in Childhood, University of Catania, Catania, Italy
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  • Giovanna Vitaliti
    Affiliations
    Unit of Pediatrics, Department of Medical Sciences, Section of Pediatrics, University Hospital Sant'Anna, University of Ferrara, Ferrara, Italy
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  • Silvia Marino
    Correspondence
    Corresponding author at: Unit of Pediatrics and Pediatric Emergency, AOU Policlinico Rodolico San Marco, University of Catania, Viale Ciampi, 2, Zip code 95100 Catania, Italy.
    Affiliations
    Unit of Pediatrics and Pediatric Emergency, AOU "Rodolico - San Marco", PO "San Marco", University of Catania, Catania, Italy
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  • Martino Ruggieri
    Affiliations
    Unit of Rare Diseases of the Nervous System in Childhood, Department of Clinical and Experimental Medicine, Section of Pediatrics and Child Neuropsychiatry, University of Catania, Catania, Italy
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Published:September 13, 2022DOI:https://doi.org/10.1016/j.autneu.2022.103034

      Abstract

      Background

      Among autonomic seizures apnea still represent a challenge for physicians, and it might constitute the only isolated sign of neurological disorder. The aim of this review is to describe ictal apnea (IA) and its treatment options.

      Methods

      MeSH and keywords were combined: “neonatal seizures”, “ictal neonatal apnea”, “apneic seizures”. All identified papers were screened for neonatal seizures titles and abstracts; case reports describing patients with IA as an isolated manifestation of neonatal seizures were included.

      Results

      Eight studies including a total of 13 patients were identified. Among 13 patients, 9 were full-term and 4 were preterm neonates. All patients developed IA within twenty-one days from birth. Etiologies of seizures included: temporal lobe hemorrhage (3 pt), occipital stroke (1 pt), hypoxic-ischemic encephalopathy (HIE) (1 pt), parasagittal injury (1 pt), 18 trisomy (2 pt). Five patients showed no structural CNS alterations. Ten patients had the ictal focus localized in the temporal lobe; the occipital lobe was the second most involved site. Phenobarbital was administered in 76 % of cases with IA (10 pt), and showed efficacy in 74 % of them; 2 required a second anti-epileptic drug (AED) to reach seizure control. Levetiracetam was given to 11 % (2 pt) successfully. Only one was treated with midazolam and one did not require any anticonvulsant.

      Conclusions

      Not homogeneous data and paucity of isolated IA currently reported in literature limits agreement about definition, management and treatment of entity, however an ever-growing attention is needed, and EEG/aEEG, despite their possible controversies in the diagnosis, should be performed to investigate unexplained forms of apnea.

      Keywords

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