Paediatric anaesthesia
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Paediatric anaesthesia · May 2020
Intramuscular Dexmedetomidine and Oral Chloral Hydrate for Pediatric Sedation for Electroencephalography: A Propensity Score-Matched Analysis.
Intramuscular dexmedetomidine can be used for pediatric sedation without requiring intravenous access and has advantages for electroencephalography by inducing natural sleep pathway, but only a limited number of studies compared the efficacy of intramuscular dexmedetomidine with oral chloral hydrate. ⋯ Intramuscular dexmedetomidine showed higher sedation success rate and shorter time to achieving the desired sedation level compared with oral chloral hydrate and thus may be an effective alternative for oral chloral hydrate in pediatric patients requiring sedation for electroencephalography.
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Paediatric anaesthesia · May 2020
Detection of Subclinical Harlequin Syndrome in Pediatric Patients.
Harlequin syndrome presents as differences in facial coloring due to unilateral flushing. This is the result of the inability to flush on the affected side due to the disruption of vasomotor and sudomotor sympathetic activity. The neurologically intact side appears flushed. A 2°C temperature difference between the flushed and nonflushed sides of the face has been detected in patients presenting with Harlequin syndrome. This difference in temperature might be detectable even in the absence of unilateral flushing, and this subclinical manifestation of the syndrome may occur more often than realized. ⋯ Asymmetric effects or distribution of local anesthetic used in thoracic epidurals may result in asymmetric blockade of efferent sympathetic nervous system activity. This may cause differences in temperature between the two sides of the face without unilateral flushing. This phenomenon has previously been termed subclinical Harlequin syndrome. Subclinical Harlequin syndrome may be more common than anticipated and may be detected by comparing temperature differences in patients.
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Peters anomaly is a rare, congenital eye malformation characterized by an opaque cornea and blurred vision. Central corneal opacification can lead to delayed progression of visual development caused by defects in Descemet membrane and the posterior stroma. These children require several anesthetics for multiple eye examinations under anesthesia and corneal transplantation. ⋯ Although limited by its retrospective nature, this case series describes the cardiac and systemic implications of patients undergoing anesthesia with Peters anomaly. Our experience indicates that general anesthesia and airway manipulation are tolerated with minor postoperative concerns in these infants. Pediatric patients with Peters anomaly require multiple anesthetics for repeated ophthalmologic interventions. The laryngeal mask airway can be routinely utilized in infants less than 3 months of age for an eye examination under anesthesia with no airway complications noted. Perioperative providers should be aware of the multisystemic implications in patients with Peters plus syndrome.