Pulse oximetry in paediatric dentistry.

Pulse oximetry is a technique used to measure the levels of blood oxygen saturation. Because this technique is regarded as non-invasive, easy to apply, and accurate technology, the number of possible applications in general dentistry practice has been gradually increasing. The aim of the present study was to summarise the contemporary research literature concerning the use of pulse oximetry in paediatric dentistry.

Effects of acute hypoxic provocation on the autonomic nervous system in 'healthy' young smokers, measured by heart rate variability.

Aim: The aim of this study was to compare the activity of the autonomic nervous system (ANS) using heart rate variability (HRV) in 'healthy' young smokers and non-smokers before, during and after exogenous hypoxic provocation.

Methods: Twenty-one healthy non-smoking males aged 28.0 ± 7.

Assessment of the impact of 10-day intermittent hypoxia on the autonomic control measured by heart rate variability.

Purpose: The purpose of this study is to establish the alterations in the activity of the autonomic nervous system (ANS) via heart rate variability (HRV) in subjects exposed to 1 h of exogenous hypoxia for 10 consecutive days.

Methods: Twelve healthy non-smoker males at mean age of 29.8 ± 7.

The effect of continuous positive airway pressure on heart rate variability during the night in patients with chronic heart failure and central sleep apnoea.

Continuous positive airway pressure (CPAP) improves autonomic activity in patients with chronic heart failure (CHF) and central sleep apnoea (CSA), but its effect on heart rate variability (HRV) during therapy has not been reported. We hypothesized that CPAP may decrease HRV, despite its beneficial effects on sympathetic overactivation, due to the expected stabilization of breathing. Sixty-seven CHF patients underwent polysomnography (PSG).

Evaluation of Acute Exogenous Hypoxia Impact on the Fraction of Exhaled Nitric Oxide in Healthy Males.

Introduction: Exogenous hypoxia increases ventilation and contracts the pulmonary vessels. Whether those factors change the values of nitric oxide in exhaled air has not yet been evaluated.

Objective: To examine the effect of exogenous normobaric hypoxia on the values of the fraction of nitric oxide in exhaled breath (FeNO).