Breath-holding spell

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Breath-holding spells
Specialty Pulmonology

Breath-holding spells (BHS) are the occurrence of episodic apnea in children, possibly associated with loss of consciousness, and changes in postural tone.

Contents

Breath-holding spells occur in approximately 5% of the population with equal distribution between males and females. They are most common in children between 6 and 18 months and usually not present after 5 years of age. They are unusual before 6 months of age. A positive family history can be elicited in 25% of cases. They may be confused with a seizure disorder. They are sometimes observed in response to frustration during or following disciplinary conflict.

Diagnosis

The diagnosis of a breath-holding spell is made clinically. A good history including the sequence of events, lack of incontinence and no postictal phase, help to make an accurate diagnosis. Some families are advised to make a video recording of the events to aid diagnosis. An electrocardiogram (ECG) may rule out cardiac arrhythmia as a cause. [1] There is some evidence that children with anemia (especially iron deficiency) may be more prone to breath-holding spells. [2]

Classification

There are four types of breath-holding spells.

Simple breath-holding spell
This is the most common type and the cause is the holding of breath. The usual precipitating event is frustration or injury. There is no major alteration of circulation or oxygenation and the recovery is spontaneous. [2]
Cyanotic breath-holding spells
These are usually precipitated by anger or frustration, although they may occur after a painful experience. The child cries and has forced expiration, sometimes leading to cyanosis (blueness in color), loss of muscle tone, and loss of consciousness. The child usually recovers within minutes, but some fall asleep for an hour or so. Physiologically, there is often hypocapnea (low levels of carbon dioxide) and usually hypoxia (low levels of oxygen). There is increased intrathoracic pressure and decreased cardiac output following the Valsalva maneuver. This eventually leads to a significant decrease in circulation to the brain and ultimately, loss of consciousness. There is no postictal phase (as is seen with seizures), no incontinence, and the child is fine in between spells. EEGs are normal in these children. There is no relationship to the subsequent development of seizures or cerebral injury. [3]
Pallid breath-holding spells
The most common stimulus is a painful event. The child turns pale (as opposed to blue) and loses consciousness with little if any crying. The EEG is also normal, and there is no postictal phase, nor incontinence. The child is usually alert within minutes. There may be a relationship with adulthood syncope. [4]
Complicated breath-holding spells
These may simply be a more severe form of the two most common types. They generally begin as either a cyanotic or pallid spell that is then associated with seizure-like activity. An EEG taken while the child is not having a spell is still generally normal. [5]

Treatment

The most important approach is to reassure the family, because witnessing a breath-holding spell is a frightening experience for observers. There is no definitive treatment available or needed for breath-holding spells, as the child will eventually outgrow them. [6]

Some trials have demonstrated the efficacy of iron therapy, especially because although BHS can readily occur without anemia, BHS has been found to be aggravated by the presence of anemia. [7] [8] Other studies have supported the use of piracetam; [9] [10] a 1998 study indicating that over two months piracetam reduced BHS incidence by sixty percent, twice as much as a placebo. All of these studies agree with the established medical view [11] [12] that a pharmacological agent is not necessary, although it may be desirable for the comfort of the parent and child.

Two articles on breath-holding spells [12] [13] strongly suggest that parents consider having their child be tested by electrocardiogram for the rare, but real possibility that the BHS episodes are actually a symptom of prolonged QT-syndrome, a serious but treatable form of cardiac arrhythmia.

Related Research Articles

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References

  1. ↑ Leung, Alexander K.C.; Leung, Amy A.M.; Wong, Alex H.C.; Hon, Kam Lun (2019). "Breath-Holding Spells in Pediatrics: A Narrative Review of the Current Evidence". Current Pediatric Reviews. 15 (1): 22–29. doi:10.2174/1573396314666181113094047. ISSN   1573-3963. PMC   6696822 . PMID   30421679.
  2. 1 2 Flodine, Tierney E.; Mendez, Magda D. (2022), "Breath Holding Spells", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID   30969604 , retrieved 2022-11-23
  3. ↑ Fujisawa, Hironori; Yoshida, Yuya; Niida, Yo; Hasegawa, Mitsuhiro; Yamashita, Junkoh (2005). "Cyanotic breath-holding spell: a life-threatening complication after radical resection of a cervicomedullary ganglioglioma". Pediatric Neurosurgery. 41 (2): 93–97. doi:10.1159/000085163. ISSN   1016-2291. PMID   15942280. S2CID   1196104.
  4. ↑ Goldman, Ran D. (2008). "Breath-holding spells in infants". Canadian Family Physician. 61 (2): 149–150. doi: 10.4103/0019-5545.43635 . ISSN   1715-5258. PMC   4325862 . PMID   25676645.
  5. ↑ Breningstall, G. N. (1996-02-01). "Breath-holding spells". Pediatric Neurology. 14 (2): 91–97. doi:10.1016/0887-8994(96)00006-9. ISSN   0887-8994. PMID   8703234.
  6. ↑ Subbarayan, A.; Ganesan, B.; Anbumani; Jayanthini (2008). "Temperamental traits of breath holding children: A case control study". Indian Journal of Psychiatry. 50 (3): 192–196. doi: 10.4103/0019-5545.43635 . ISSN   0019-5545. PMC   2738355 . PMID   19742234.
  7. ↑ Poets CF, Samuels MP, Wardrop CA, Picton-Jones E, Southall DP (April 1992). "Reduced haemoglobin levels in infants presenting with apparent life-threatening events--a retrospective investigation". Acta Paediatr. 81 (4): 319–21. doi:10.1111/j.1651-2227.1992.tb12234.x. PMID   1606392. S2CID   33298390.
  8. ↑ Colina KF, Abelson HT (March 1995). "Resolution of breath-holding spells with treatment of concomitant anemia". J. Pediatr. 126 (3): 395–7. doi:10.1016/S0022-3476(95)70456-6. PMID   7869200.
  9. ↑ Donma MM (January 1998). "Clinical efficacy of piracetam in treatment of breath-holding spells". Pediatr. Neurol. 18 (1): 41–5. doi:10.1016/S0887-8994(97)00153-7. PMID   9492090.
  10. ↑ Azam M, Bhatti N, Shahab N (2008). "Piracetam in severe breath holding spells". Int J Psychiatry Med. 38 (2): 195–201. doi:10.2190/PM.38.2.f. PMID   18724570. S2CID   36114201.
  11. ↑ DiMario FJ (January 1992). "Breath-holding spells in childhood". Am. J. Dis. Child. 146 (1): 125–31. doi:10.1001/archpedi.1992.02160130127035. PMID   1736640.
  12. 1 2 Breningstall GN (February 1996). "Breath-holding spells". Pediatr. Neurol. 14 (2): 91–7. doi:10.1016/0887-8994(96)00006-9. PMID   8703234.
  13. ↑ Allan WC, Gospe SM (March 2005). "Seizures, syncope, or breath-holding presenting to the pediatric neurologist--when is the etiology a life-threatening arrhythmia?". Semin Pediatr Neurol. 12 (1): 2–9. doi:10.1016/j.spen.2004.11.004. PMID   15929459.

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