Abstract
Nocturnal pulse oximetry has a high positive predictive value for polysomnographically diagnosed obstructive sleep apnoea (OSA) in children. When significant adenotonsillar hypertrophy is diagnosed, adenotonsillectomy (T&A) represents a common treatment for OSA in children. We investigated the role of pulse oximetry in predicting those patients, referred for suspected OSA, who subsequently needed T&A. At-home nocturnal pulse oximetry was performed on 380 children (65.7% males), median age 4.1(IRQ 3.0–5.6) years, referred for suspected OSA, and data were retrospectively analysed. For each recording McGill Oximetry Score (MOS) was categorized. Mean pulse rate (PR) z-score and pulse rate variability (PRV)-corrected (PRSD/meanPR) were significantly higher in children with abnormal MOS. Both parameters were significantly higher in subjects who underwent T&A compared with those not surgically treated. Both DI4 and PRV corrected showed a negative correlation with the elapsed time between pulse oximetry recordings and T&A. The logistic regression model showed a strong effect of an abnormal MOS as a predicting factor for T&A (adjusted odds ratio 19.7).
Conclusions: In our study, children with OSA who subsequently needed T&A showed higher PRV compared to those without surgical indication. Children with abnormal MOS were nearly 20 times more likely to undergo T&A.
What is Known: • Nocturnal pulse oximetry has a high positive predictive value for polysomnographically diagnosed obstructive sleep apnoea in children. • When significant adenotonsillar hypertrophy is diagnosed, adenotonsillectomy represents a common treatment for OSA in children. |
What is New: • An abnormal pulse oximetry highly predict the indication for adenotonsillectomy. • We suggest the use of at-home pulse oximetry as method to predict prescription of adenotonsillectomy, and this may be useful in contexts where polysomnography is not readily available. |
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Abbreviations
- AHI:
-
Apnea index
- MOS:
-
McGill Oximetry Score
- OSA:
-
Obstructive sleep apnoea
- PR:
-
Pulse rate
- PRV:
-
Pulse rate variability
- PSG:
-
Polysomnography
- T&A:
-
Adenotonsillectomy
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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The study was approved by the Bambino Gesù Children’s Hospital Scientific Board (Rome, Italy); at the time of each recording, parents signed an informed consent.
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Communicated by Peter de Winter
Martino Pavone and Nicola Ullmann contributed equally as co-first authors.
Revisions received: 19 December 2016; 04 January 2017
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Pavone, M., Ullmann, N., Verrillo, E. et al. At-home pulse oximetry in children undergoing adenotonsillectomy for obstructive sleep apnea. Eur J Pediatr 176, 493–499 (2017). https://doi.org/10.1007/s00431-017-2868-1
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DOI: https://doi.org/10.1007/s00431-017-2868-1