Gradiente SpO2 - SaO2 durante ventilação mecânica em anestesia e terapia intensiva

Helayel, Pablo Escovedo; Filho, Getúlio Rodrigues de Oliveira; Marcon, Lúcia; Pederneiras, Flávio Hülse; Nicolodi, Marcos Antônio; Pederneiras, Sérgio Galluf

doi:10.1590/s0034-70942001000400005

Cited by 3 publications

(3 citation statements)

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“…10,50,51 The S pO 2 value usually reflects S aO 2 , especially when > 90%, with normal values of S pO 2 and S aO 2 ranging from 3% to 5%, respectively. 50,52 Helayel et al 53 reported that S pO 2 values $ 99% ruled out the possibility of S aO 2 < 90% in critically ill or surgical patients. Jubran et al 52 considered that limits between 92% and 94% should be targets to avoid S aO 2 < 90%, which corresponds to mild hypoxemia.…”

Section: Discussionmentioning

confidence: 99%

Effects of 0 PEEP and < 1.0 F_IO₂ on S_pO₂ and P_ETCO₂ During Open Endotracheal Suctioning

Vianna

Lorenzo

Simões³

et al. 2020

Respir Care

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BACKGROUND: Hyperoxygenation and hyperinflation, preferably with a mechanical ventilator, is the most commonly used technique to prevent the adverse effects of open endotracheal suctioning on arterial oxygenation and pulmonary volume. However, limited data are available on the effects of oxygen concentrations < 100% and PEEP with zero end-expiratory pressure (0 PEEP) to improve oxygenation and to maintain adequate ventilation during open endotracheal suctioning. The aim of this study was to analyze the behavior of S pO 2 and end-tidal CO 2 pressure (P ETCO 2) in open endotracheal suctioning using the 0 PEEP technique with baseline F IO 2 (0 PEEP baseline F IO 2) and 0 PEEP + hyperoxygenation of 20% above the baseline value (0 PEEP F IO 2 + 0.20) in critically ill subjects receiving mechanical ventilation. METHODS: This was a prospective, randomized, single-blind crossover study, for which 48 subjects with various clinical and surgical conditions were selected; of these, 38 subjects completed the study. The subjects were randomized for 2 interventions: 0 PEEP baseline F IO 2 and 0 PEEP F IO 2 + 0.20 during the open endotracheal suctioning procedure. Oxygenation was assessed via oxygen saturation as measured with pulse oximetry (S pO 2), and changes in lung were monitored via P ETCO 2 using volumetric capnography. RESULTS: In the intragroup analysis with 0 PEEP baseline F IO 2 , there was no significant increase after open endotracheal suctioning in either S pO 2 (P 5 .63) or P ETCO 2 (P 5 .11). With 0 PEEP F IO 2 + 0.20, there was a significant increase in S pO 2 (P < .001), with no significant changes in P ETCO 2 (P 5 .55). In the intergroup comparisons, there was a significant increase compared to the basal values only with the 0 PEEP + 0.20 method at 1 min after hyperoxygenation (P < .001), post-immediately (P < .001), at 1 min after (P < .001), and at 2 min after open endotracheal suctioning (P < .001). CONCLUSIONS: The appropriate indication of the hyperinflation strategy via mechanical ventilation using 0 PEEP with or without hyperoxygenation proved to be efficient to maintain S pO 2 and P ETCO 2 levels. These results suggest that the technique can minimize the loss of lung volume due to open endotracheal suctioning. (ClinicalTrials.gov registration NCT02440919).

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Section: Discussionmentioning

confidence: 99%

Effects of 0 PEEP and < 1.0 F_IO₂ on S_pO₂ and P_ETCO₂ During Open Endotracheal Suctioning

Vianna

Lorenzo

Simões³

et al. 2020

Respir Care

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“…In affirmative cases, it was observed if the patient was able to keep a respiratory pattern in the cannula occlusion, what was essential to initiate the decannulation process. The maintenance of the breathing pattern was considered when the patient was able to maintain oxygen saturation levels in the blood (SpO 2 ) above 90% (21) . The oxygen saturation in the blood was measured by pulse oximetry and monitored throughout the assessment by the speech therapist.…”

Section: Methodsmentioning

confidence: 99%

Avaliação fonoaudiológica para decanulação traqueal em pacientes acometidos por traumatismo cranioencefálico

Zanata¹,

Santos

Marques

et al. 2016

CoDAS

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RESUMO Objetivo Descrever o efeito da conduta fonoaudiológica no processo de decanulação traqueal em indivíduos com traumatismo cranioencefálico (TCE). Método Estudo clínico transversal prospectivo controlado. Participaram deste estudo dois grupos de indivíduos com TCE confirmado por tomografia axial computadorizada, sendo o grupo de estudo (G1) e o grupo controle (G2) compostos por 30 indivíduos cada, com 25 (83,3%) indivíduos do gênero masculino e 5 (16,7%) do gênero feminino em cada grupo. A faixa etária variou de 18 a 53 anos, com média de 32 anos. Foi elaborado um instrumento de avaliação fonoaudiológica para indivíduos com TCE traqueostomizados composto por investigação do nível de consciência, cognição e deglutição (anexo 1) e conduta. O G1 recebeu a avaliação proposta pelo estudo e o G2, análise retrospectiva de prontuário sem avaliação fonoaudiológica. As variáveis, tempo de permanência com a traqueostomia e total de dias de internamento foram os marcadores de mensuração do efeito da conduta fonoaudiológica com esse instrumento nessa população. Resultados Verificou-se que o G1 obteve uma redução média de 4,2 dias de permanência com a traqueostomia e de 4,4 dias no tempo de internamento hospitalar quando comparado com G2, porém sem significância estatística (p = 0,2031). Conclusão O grupo que foi avaliado e recebeu a conduta fonoaudiológica proposta no instrumento obteve diminuição do tempo de permanência com a traqueostomia bem como redução do tempo de internamento hospitalar.

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“…Pulse oximetry is a noninvasive physiometric method used to determine the peripheral oxygen saturation (SpO 2 ) of oxygenated hemoglobin (oxyhemoglobin) in the blood [ 9 ]. In other words, SpO 2 is the percentage of the level of total arterial oxygen saturation (SaO 2 ) present in the blood (oxyhemoglobin and deoxyhemoglobin) [ 10 , 11 ]. The pulse oximeter (PO) consists of a device that has a sensor with two light-emitting diodes [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Pulp Oxygen Saturation Reading after Tooth Bleaching: A Randomized Clinical Trial

Henriques

Alves

Pottmaier

et al. 2022

International Journal of Dentistry

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Objectives. The purpose of this clinical trial was to evaluate the influence of in-office dental bleaching on the pulp oxygen saturation (SpO2p) reading. Material and Methods. SpO2p was measured using a pulse oximeter in 112 upper and lower anterior teeth (canines and incisors) of patients submitted to bleaching. Whitegold Office 35% (WGO) (upper and lower left hemiarch) and Whiteness HP Auto Mixx 35% (WHP) (upper and lower right hemiarch) bleaching agents were used. SpO2 measurements (teeth and index finger) were taken before and after each of the three application sessions of the agents. In the 4th session, in which no bleaching gel was used, only SpO2 was measured. Before and after the bleaching sessions, a colorimetric device performed the teeth color reading. The waiting time between sessions was 7 days. Data were analyzed by the Friedman, Kruskal–Wallis, and Mann–Whitney U tests (α = 0.05). Color change (ΔE) data were correlated (Spearman’s Rho test) with the SpO2p levels. Results. Neither of the two bleaching agents showed significant differences between the readings when evaluated individually (WGO, P = 0.780 , and WHP, P = 0.494 ). When taken together, the results showed significant difference between the readings performed, with higher median values after bleaching sessions: before (97.3) and after (98.6) 1st session; before (98.3) and after (98.3) 2nd session; before (98.3) and after (99.0) 3rd session; and after 1 week (98.3). The dental groups formed by maxillary lateral incisors ( P = 0.012 ) and mandibular incisors ( P < 0.001 ) showed a significant difference. Spearman’s Rho test showed a nonsignificant and weak correlation between ΔE and SpO2p in most comparisons. Conclusions. The in-office dental bleaching influenced the SpO2p reading, regardless of the dental group evaluated or the bleaching agent used. Clinical Relevance. This study provides information about the influence of in-office tooth whitening on the pulp SpO2p levels. The observation of pulp vitality during and after the use of bleaching agents is important for the follow-up of patients undergoing tooth whitening. The use of a pulse oximeter may be a viable and painless alternative to perform this monitoring. The clinical trial was registered with the Brazilian Registry of Clinical Trials (ReBEC; registration number: https://clinicaltrials.gov/ct2/show/RBR-68xbth).

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Gradiente SpO2 - SaO2 durante ventilação mecânica em anestesia e terapia intensiva

Abstract: RESUMO

Cited by 3 publications

References 3 publications

Effects of 0 PEEP and < 1.0 F_IO₂ on S_pO₂ and P_ETCO₂ During Open Endotracheal Suctioning

Effects of 0 PEEP and < 1.0 F_IO₂ on S_pO₂ and P_ETCO₂ During Open Endotracheal Suctioning

Avaliação fonoaudiológica para decanulação traqueal em pacientes acometidos por traumatismo cranioencefálico

Evaluation of the Pulp Oxygen Saturation Reading after Tooth Bleaching: A Randomized Clinical Trial

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Gradiente SpO2 - SaO2 durante ventilação mecânica em anestesia e terapia intensiva

Abstract: RESUMO

Cited by 3 publications

References 3 publications

Effects of 0 PEEP and < 1.0 FIO2 on SpO2 and PETCO2 During Open Endotracheal Suctioning

Effects of 0 PEEP and < 1.0 FIO2 on SpO2 and PETCO2 During Open Endotracheal Suctioning

Avaliação fonoaudiológica para decanulação traqueal em pacientes acometidos por traumatismo cranioencefálico

Evaluation of the Pulp Oxygen Saturation Reading after Tooth Bleaching: A Randomized Clinical Trial

Contact Info

Product

Resources

About

Effects of 0 PEEP and < 1.0 F_IO₂ on S_pO₂ and P_ETCO₂ During Open Endotracheal Suctioning

Effects of 0 PEEP and < 1.0 F_IO₂ on S_pO₂ and P_ETCO₂ During Open Endotracheal Suctioning