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Sleep apnea prevalence in acute myocardial infarction - The Sleep Apnea in Post-acute Myocardial Infarction Patients (SAPAMI) Study

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LUDKA Ondřej ŠTĚPÁNOVÁ Radka VYSKOCILOVA Martina ZIKMUND GALKOVÁ Lujza MIKOLÁŠKOVÁ Monika BELEHRAD Milos KOSTALOVA Jana MIHALOVÁ Zuzana DROZDOVÁ Adéla HLÁSENSKÝ Jiří GACÍK Michal PUDILOVÁ Lucie MIKUŠOVÁ Tereza FISCHEROVÁ Blanka SERT-KUNIYOSHI Fatima SOMERS Virend K. ŠPINAR Jindřich KÁRA Tomáš

Rok publikování 2014
Druh Článek v odborném periodiku
Časopis / Zdroj International Journal of Cardiology
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
Doi http://dx.doi.org/10.1016/j.ijcard.2014.06.020
Obor Kardiovaskulární nemoci včetně kardiochirurgie
Klíčová slova Sleep apnea; Acute myocardial infarction; Prevalence; Day-night variation
Popis Background: While sleep apnea (SA) might be a modifiable cardiovascular risk factor, recent data suggest that SA is severely underdiagnosed in patients after acute myocardial infarction (MI). There is limited evidence about day-night variation of onset of MI on dependence of having SA. We therefore investigated the prevalence of SA and examined the day-night variation of onset of MI in acute MI patients. Methods: We prospectively studied 782 consecutive patients admitted to the hospital with the diagnosis of acute MI. All subjects underwent sleep evaluations using a portable device after at least 48 h post-admission. Using the apnea-hypopnea index (AHI), groups were defined as patients without SA (<5 events/h), mild SA (5-15 events/h), moderate SA (15-30 events/h), and severe SA (>= 30 events/h). Results: Almost all patients (98%) underwent urgent coronary angiography and 91% of patients underwent primary PCI. Using a threshold of AHI >= 5 events/h, SA was present in 65.7% of patients after acute MI. Mild SA was present in 32.6%, moderate in 20.4% and severe in 12.7%. The day-night variation in the onset of MI in all groups of SA patients was similar to that observed in non-SA patients. From 6 AM to 12 PM, the frequency of MI was higher in both SA and non-SA patients, as compared to the interval from 12 AM to 6 AM (all p < 0.05). Conclusion: There is a high prevalence of SA in patients presenting with acute MI. Peak time of MI onset in SA patients was between 6 AM and noon, similar to that in the general population. Whether diagnosis and treatment of SA after MI will significantly improve outcomes in these patients remains to be determined.

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