Avaliação da saturação de oxigênio em polpas humanas de molares hígidos
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2016-03-08
Autores
Oliveira, Keila Surama Alves de
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Universidade Federal de Goiás
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Objective: to determine the oxygen saturation level (SaO2) in human pulps of molars by pulse oximetry. Methods: the oxygen saturation level was evaluated in 112 healthy molars using the pulse oximeter and the patient's response time to stimulus with the cold refrigerant gas Endo Ice and recorded with digital timer. Statistical analysis was performed using SPSS v program. 18.0. Quantitative variables were described by mean and standard deviation when the distribution was symmetric and median and interquartile range when asymmetric. Variables with symmetric distribution were compared between teeth for independent samples and intra-individual for paired samples by Student t test, and the asymmetric distribution with the Mann-Whitney test. To correlate the variables each other was used the Pearson correlation coefficient, and to compare more than two groups together the analysis of variance (ANOVA) followed by post-hoc Tukey, being statistically significant p <0,05. Results: the average level of SaO2 for the 112 pulps of healthy molars was 85,09%, and there was no correlation with the SaO2 average of the patient´s indicator finger (92,89%). There was a significant difference (P = 0,037) between the average level of SaO2 of the first (85,76%) and second superior molars (81,87%), and it was not significant (P = 0,177) between the first (85,58%) and second (88,15%) inferior molars. The superior molars had lower average level of SaO2 (83,59%) when compared to the inferior molars (86,89%), with a statistically significant difference (P = 0,018). The average of the patient's response time to the cold stimulus was 1,12 seconds, with no statistically significant difference between superior (1,25 seconds) and inferior molars (0,99 seconds). Conclusion: the average level of SaO2 in healthy molars pulps was 85,09%, and the average of the superior molars was 83,59% and inferior molars was 86,89%. The average of the patient's response time to the cold stimulus was 1,12 seconds, with no statistically significant difference between superior (1,25 seconds) and inferior molars (0,99 seconds) and there was no correlation between the patient's response time to the cold stimulus and the oxygen saturation level for healthy molars.
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OLIVEIRA, Keila Surama Alves de. Avaliação da saturação de oxigênio em polpas humanas de molares hígidos. 2016. 79 f. Dissertação (Mestrado em Ciências da Saúde) - Universidade Federal de Goiás,Goiânia, 2016.