2009
DOI: 10.1590/s1807-59322009000300013
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Abstract: There is controversy regarding whether obstructive sleep apnea is responsible for triggering myocardial ischemia, arrhythmias and heart rate variability in patients with coronary artery disease. OBJETIVE: The objective of this study was to identify relationships between sleep apnea, myocardial ischemia and cardiac arrhythmia in patients with coronary artery disease. METHODS: Fifty-three patients with stable coronary disease underwent simultaneous polysomnography and electrocardiographic Holter recording. The a… Show more

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Cited by 14 publications
(8 citation statements)
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“…However, these patients did not have proven coronary artery disease, and artifactual ST changes related to breathing patterns may have contributed. Araújo et al 25 , studying a group of 53 patients with stable coronary disease, did not observe significant difference in the number or duration of ischemic episodes during sleep among patients with OSA and controls. Moreover, in this study there were no alterations in the circadian pattern of myocardial ischemia in OSA or related to sleep apnea and heart rate variability or arrhythmias.…”
Section: Discussionmentioning
confidence: 91%
See 1 more Smart Citation
“…However, these patients did not have proven coronary artery disease, and artifactual ST changes related to breathing patterns may have contributed. Araújo et al 25 , studying a group of 53 patients with stable coronary disease, did not observe significant difference in the number or duration of ischemic episodes during sleep among patients with OSA and controls. Moreover, in this study there were no alterations in the circadian pattern of myocardial ischemia in OSA or related to sleep apnea and heart rate variability or arrhythmias.…”
Section: Discussionmentioning
confidence: 91%
“…In the study of Mehra et al 16 , neither the pre-test probability for sleep apnea through the Cleveland questionnaire, an expanded Berlin Questionnaire, nor the degree of subjective sleepiness predicted OSA. Araújo et al 25 observed that 23 patients (43.4%) of the 53 classified as having high risk for OSA by the BQ had an AHI ≤ 15. Nevertheless, the BQ has been validated in several clinical scenarios and has been used in the identification of patients with suspicion of OSA with reasonable sensitivity and specificity 6,13,33 .…”
Section: Discussionmentioning
confidence: 99%
“…Ademais, eles justificaram que, além dos resultados da alta prevalência de histórico de pressão alta, foi possível fazer uma interferência que o SAOS está ligado a pessoas fumantes e com diabetes (30) . Recentemente o QB foi utilizado nesse mesmo intuito: pressão alta e obesidade, e o diagnóstico foi de mais de 90% dos casos com alto risco para SAOS; muitos desses pacientes eram obesos e hipertensos (31) . Logo, observa-se que o desempenho do QB pode variar entre as diferentes populações de pacientes.…”
Section: Diagnósticounclassified
“…(2) The presence of associated diseases, such as rhinitis (symptoms are present in 90% of cases), gastroesophageal Sleep 5 [16][17][18][19][20] Physiology, exercise, and rehabilitation 12 [21][22][23][24][25][26][27][28][29][30][31][32] COPD 8 [33][34][35][36][37][38][39][40] Pathology 3 [41][42][43] CT 2 [44][45] Occupational medicine 1 46 Pulmonary thromboembolism 2 [47][48] Pulmonary hypertension 3 [49][50][51] Lung cancer 3 [52][53][54] Smoking 2 [55][56] Evaluation of articles on pulmonology published in Brazilian In their study involving patients with severe OSAS, Neves et al found that the use of sildenafil worsens OSAS, as well as causing deleterious cardiovascular effects because of the increased parasympathetic tone and affecting the HR variability. (19) Pires et al, in a study of drivers engaged in night shift work, contradicted the notion that the sleep pattern of older individuals is more negatively affected than that of younger individuals.…”
Section: Asthmamentioning
confidence: 99%
“…The study by Araújo et al concluded that the presence of concomitant obstructive sleep apnea syndrome (OSAS) did not increase the number of ischemic episodes or arrhythmias in patients with stable coronary artery disease. (16) Ykeda et al demonstrated that children with congenital heart disease have frequent episodes of apnea and hypopnea, as well as desaturation during sleep. (17) In their study, Jesus et al concluded that the clinical diagnosis of OSAS (as determined by the Berlin questionnaire) in patients with acute coronary syndrome was associated with a higher incidence of cardiovascular events during hospitalization.…”
Section: Sleepmentioning
confidence: 99%