Mandibular protrusion device – users AHI, sleep efficiency, REM sleep and oxigenation

Catão, Maria Helena Chaves de Vasconcelos; Carneiro, Vanda Sanderana Macêdo; Alves, Josué; Ribeiro, Rodrigo Alves; Silva, Rômulo Souza; Formiga Filho, Amaro Lafayette Nobre

doi:10.1590/1982-021620145912

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original articles • Rev. CEFAC 16 (1) • Mar 2014 • https://doi.org/10.1590/1982-021620145912 linkcopy

Mandibular protrusion device – users AHI, sleep efficiency, REM sleep and oxigenation

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstracts

Purpose : to evaluate some polysomnographic parameters of patients that were referred to use mandibular protusion device (MPD).

Methods : we studied, retrospectively, data from medical records with items that made up polysomnography of 124 patients aged between 25-77 years, that were not having any treatment for OSAHS. The study was approved by the Ethics Committee of origin institution (CAE number 0378.0.133.000-10).

Results : 46.8% of respondents had mild apnea, snoring and most had poor sleep efficiency. Almost all of these patients had OSAHS. The lower oxygen saturation during the test ranged from 60% to 97%, with more than four fifths of the sample rates below 90%.

Conclusion : there was no significant relationship between rates of apnea and the levels of oxyhemoglobin saturation. Sleep efficiency was directly related to the severity of OSA, with statistical evidence; oximetry can be a valuable tool for the diagnosis of OSA, but cannot be sole source to refer to the severity of the syndrome, REM sleep was poor in most investigated, and this was significantly related to sleep efficiency.

Snoring; Sleep Apnea; Obstructive; Apnea

OSAHS	N	%
Normal (less than 5 e/h)	14	11,3
Mild (from 5 to 15 e/h)	58	46,8
Moderate (from 15,1 to 30 e/h)	37	29,8
Severe (more than 30 e/h)	15	12,1

Total	124	100,0

OSAHS	n	Mean	Standard deviation	Interval for the mean with 95% of confidence		p Value
OSAHS	n	Mean	Standard deviation	Lower limit	Upper limit	p Value
Normal	14	84,14	10,925	77,83	90,45	0,016
Mild	58	77,84	14,374	74,07	81,62
Moderate	37	79,22	11,617	75,34	83,09
Severe	14	67,21	16,168	57,88	76,55

Total	123	77,76	13,965	75,27	80,26

OSAHS	n	Mean	Standard deviation	Interval for the mean with 95% of confidence		p Value
OSAHS	n	Mean	Standard deviation	Lower limit	Upper limit	p Value
Normal	14	85,36%	8,034	80,718	89,996	0,224
Mild	58	82,87%	6,752	81,086	84,637
Moderate	37	81,95%	7,291	79,514	84,377
Severe	15	77,2%	5,906	73,929	80,470

Total	124	82,24%	7,124	80,996	83,488

Snores during the night?	n	Mean	Standard deviation	Interval for the mean with 95% of confidence		p Value
Snores during the night?	n	Mean	Standard deviation	Lower limit	Upper limit	p Value
No	10	9,23	5,054	5,62	12,85
Yes	114	17,43	15,764	14,50	20,35	0,066ª

Total	124	16,77	15,336	14,04	19,49

Sleep efficiency		REM Sleep			Total	p Value
Sleep efficiency		Satisfactory(20 to 25%)	Not satisfactory(<20 and >25 %)	Absence	Total	p Value
Not Satisfactory (till 79%)	n	3	50	10	63	0,024ª
Not Satisfactory (till 79%)	%	4,8%	79,4%	15,9%	100,0%

Satisfactory (80 to 100%)	n	12	37	7	56
Satisfactory (80 to 100%)	%	21,4%	66,1%	12,5%	100,0%

Total	n	15	87	17	119
Total	%	12,6%	73,1%	14,3%	100,0%

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ABRAMO Associação Brasileira de Motricidade Orofacial Rua Uruguaiana, 516, Cep 13026-001 Campinas SP Brasil, Tel.: +55 19 3254-0342 - São Paulo - SP - Brazil
E-mail: revisora1@revistacefac.com.br

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