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[Diagnostic role of pulse transit time in children with sleep disordered breathing]

Jian-wen Zhong1, Da-bo Liu, Zhen-yun Huang

  • 1Department of Otorhinolaryngology, Guangzhou Children's Hospital, Guangzhou 510120, China.

Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Chinese Journal of Otorhinolaryngology Head and Neck Surgery
|November 9, 2010
PubMed

Insights

Pulse transit time (PTT) effectively diagnoses sleep disordered breathing (SDB) in children, offering a simpler alternative to polysomnography (PSG). PTT shows promise for identifying upper airway resistance syndrome (UARS) without obstructive sleep apnea-hypopnea syndrome (OSAHS).

Area of Science:

  • Pediatric Pulmonology
  • Sleep Medicine
  • Diagnostic Technologies

Background:

  • Sleep disordered breathing (SDB) is a prevalent condition in children.
  • Accurate diagnosis of SDB is crucial for effective management.
  • Existing diagnostic methods like polysomnography (PSG) can be resource-intensive.

Purpose of the Study:

  • To evaluate the diagnostic utility of pulse transit time (PTT) for SDB in pediatric populations.
  • To compare the effectiveness of PTT against standard PSG in diagnosing SDB.
  • To assess PTT's ability to identify specific SDB subtypes like upper airway resistance syndrome (UARS).

Main Methods:

  • A cohort of 48 children (2-13 years) diagnosed with SDB was recruited.
  • Simultaneous measurements of PSG and PTT were conducted.
  • Data analysis was performed independently by multiple technicians.

Main Results:

  • PTT demonstrated comparable diagnostic accuracy to PSG for apnea-hypopnea index (AHI) and obstructive apnea index (OAI).
  • PTT showed a significantly higher detection rate for micro-arousals compared to PSG (P < 0.01).
  • PTT effectively identified children with UARS, even in the absence of obstructive sleep apnea-hypopnea syndrome (OSAHS).

Conclusions:

  • Both PSG and PTT are viable methods for diagnosing SDB in children.
  • PTT offers a user-friendly and accessible diagnostic approach for pediatric SDB.
  • PTT is particularly valuable for diagnosing UARS in children.
Abstract

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