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IPSA CONGRESS.   
IPSA Congress 2014 - Porto Alegre - Brazil - Sunday, September 29, 2013

It is my pleasure to present the
III Congress of the International Pediatric Sleep Association (IPSA) - Porto Alegre (Brazil) 3-5 December 2014.

The importance of sleep for health, learning and psychomotor development in infancy, childhood and adolescence has been emphasized in the pediatric research in the last two decades and it has become more and more evident that ensuring a good sleep during development is of key importance for a later healthy life.
The IPSA Congress is an influential forum for sleep practitioners from around the world to network and exchange views, whilst learning from world-class researchers about the latest scientific and clinical developments in the field.
The success of the last two Congresses in Rome 2010 and Manchester 2012 has highlighted the magnitude of Pediatric Sleep Medicine in the scientific community and we hope that the 2014 Congress will provide a perfect balance between didactic and practical needs, in order to provide the technical knowhow and up-to-date knowledge that will enable participants to improve their practice.
As traditional for IPSA, the most renowned International opinion leaders in the field of Pediatric Sleep Medicine speakers will join the Congress and will highlight the recent significant advances in both basic science and clinical sleep medicine during development.
I hope that the world paediatric sleep community will gather together in the lively city of Porto Alegre to celebrate the best clinical practice and the latest advances in Pediatric Sleep Medicine.

Oliviero Bruni
President of the International Pediatric Sleep Association

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IPSA Congress 5-7 december 2012 - Manchester City (UK)

IPSA Congress 5-7th December 2012 - Manchester (UK)   read more...

ABSTRACT BOOK OF THE IPSA CONGRESS, Rome 3-5 December 2010

IPSA 2010 - Abstract Book

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 Announcements

Guia SAOS Infantil Espanola

New guidelines on the diagnosis and treatment of OSA in children published by the Spanish Pediatric Sleep Group. (available only in Spanish)

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RECENT LITERATURE HIGHLIGHTS   
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The spatial and signal characteristics of physiologic high frequency oscillations.
Related Articles

The spatial and signal characteristics of physiologic high frequency oscillations.

Epilepsia. 2014 Dec;55(12):1986-95

Authors: Alkawadri R, Gaspard N, Goncharova II, Spencer DD, Gerrard JL, Zaveri H, Duckrow RB, Blumenfeld H, Hirsch LJ

Abstract
OBJECTIVES: To study the incidence, spatial distribution, and signal characteristics of high frequency oscillations (HFOs) outside the epileptic network.
METHODS: We included patients who underwent invasive evaluations at Yale Comprehensive Epilepsy Center from 2012 to 2013, had all major lobes sampled, and had localizable seizure onsets. Segments of non-rapid eye movement (NREM) sleep prior to the first seizure were analyzed. We implemented a semiautomated process to analyze oscillations with peak frequencies >80 Hz (ripples 80-250 Hz; fast ripples 250-500 Hz). A contact location was considered epileptic if it exhibited epileptiform discharges during the intracranial evaluation or was involved ictally within 5 s of seizure onset; otherwise it was considered nonepileptic.
RESULTS: We analyzed recordings from 1,209 electrode contacts in seven patients. The nonepileptic contacts constituted 79.1% of the total number of contacts. Ripples constituted 99% of total detections. Eighty-two percent of all HFOs were seen in 45.2% of the nonepileptic contacts (82.1%, 47%, 34.6%, and 34% of the occipital, parietal, frontal, and temporal nonepileptic contacts, respectively). The following sublobes exhibited physiologic HFOs in all patients: Perirolandic, basal temporal, and occipital subregions. The ripples from nonepileptic sites had longer duration, higher amplitude, and lower peak frequency than ripples from epileptic sites. A high HFO rate (>1/min) was seen in 110 nonepileptic contacts, of which 68.2% were occipital. Fast ripples were less common, seen in nonepileptic parietooccipital regions only in two patients and in the epileptic mesial temporal structures.
CONCLUSIONS: There is consistent occurrence of physiologic HFOs over vast areas of the neocortex outside the epileptic network. HFOs from nonepileptic regions were seen in the occipital lobes and in the perirolandic region in all patients. Although duration of ripples and peak frequency of HFOs are the most effective measures in distinguishing pathologic from physiologic events, there was significant overlap between the two groups.

PMID: 25470216 [PubMed - indexed for MEDLINE]


Analysis of mean transcutaneous capnography in consecutive patients undergoing polysomnography.
Related Articles

Analysis of mean transcutaneous capnography in consecutive patients undergoing polysomnography.

Arq Neuropsiquiatr. 2014 Nov;72(11):841-4

Authors: Pinnola GC, Bastos PS

Abstract
UNLABELLED: Transcutaneous capnography is a noninvasive method useful for analysis of the behavioral tendency of transcutaneous CO₂pressure (PtcCO₂) in patients undergoing polysomnography, to evaluate respiratory sleep disorders.
OBJECTIVE: Determine normative PtcCO₂values in normal patients undergoing polysomnography.
METHOD: One hundred seventy-nine patients who underwent polysomnography with simultaneous PtcCO₂measurement were assessed by means of a transcutaneous capnograph (TCM4 series from Radiomiter).
RESULTS: The group classified as normal (N=53) presented a apnea/hypopnea index (AHI) <5 events/per hour of sleep and their age groups varied between 7 and 76 years of age.
CONCLUSION: Global mean values of PtcCO₂in the normal group had a Gaussian distribution that varied between 33.1 and 50.0 mmHg (SD 4,363). Such findings allowed the establishment of normative PtcCO₂values for normal individuals.

PMID: 25410449 [PubMed - indexed for MEDLINE]


Nocturnal oxygen saturation profiles of healthy term infants.
Related Articles

Nocturnal oxygen saturation profiles of healthy term infants.

Arch Dis Child. 2015 Jan;100(1):18-23

Authors: Terrill PI, Dakin C, Hughes I, Yuill M, Parsley C

Abstract
OBJECTIVE: Pulse oximetry is used extensively in hospital and home settings to measure arterial oxygen saturation (SpO2). Interpretation of the trend and range of SpO2 values observed in infants is currently limited by a lack of reference ranges using current devices, and may be augmented by development of cumulative frequency (CF) reference-curves. This study aims to provide reference oxygen saturation values from a prospective longitudinal cohort of healthy infants.
DESIGN: Prospective longitudinal cohort study.
SETTING: Sleep-laboratory.
PATIENTS: 34 healthy term infants were enrolled, and studied at 2 weeks, 3, 6, 12 and 24 months of age (N=30, 25, 27, 26, 20, respectively).
INTERVENTIONS: Full overnight polysomnography, including 2 s averaging pulse oximetry (Masimo Radical).
MAIN OUTCOME MEASUREMENTS: Summary SpO2 statistics (mean, median, 5th and 10th percentiles) and SpO2 CF plots were calculated for each recording. CF reference-curves were then generated for each study age. Analyses were repeated with sleep-state stratifications and inclusion of manual artefact removal.
RESULTS: Median nocturnal SpO2 values ranged between 98% and 99% over the first 2 years of life and the CF reference-curves shift right by 1% between 2 weeks and 3 months. CF reference-curves did not change with manual artefact removal during sleep and did not vary between rapid eye movement (REM) and non-REM sleep. Manual artefact removal did significantly change summary statistics and CF reference-curves during wake.
CONCLUSIONS: SpO2 CF curves provide an intuitive visual tool for evaluating whether an individual's nocturnal SpO2 distribution falls within the range of healthy age-matched infants, thereby complementing summary statistics in the interpretation of extended oximetry recordings in infants.

PMID: 25063836 [PubMed - indexed for MEDLINE]

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