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Revista Colombiana de Cardiología
Print version ISSN 0120-5633
Abstract
HERRUZO-ROJAS, Manuel S.; MARTIN-TORO, Miriam A. and CARRILLO-BAILEN, Magdalena. Ranolazine in chronic ischaemic heart disease: a protective factor against de novo atrial fibrillation. Rev. Colomb. Cardiol. [online]. 2020, vol.27, n.5, pp.400-404. Epub July 24, 2021. ISSN 0120-5633. https://doi.org/10.1016/j.rccar.2018.10.016.
Introduction:
Ranolazine has shown to be effective in cases of angina in patients with chronic ischaemic heart disease. Recent studies have evaluated it as a drug to prevent electrical post-cardioversion, post-surgical or post-infarction atrial fibrillation.
Objectives:
To perform a long-term evaluation of de novo atrial fibrillation episodes in patients with chronic ischaemic heart disease and a new episode of unstable angina that are taking 350 or 500 mg/12 h of ranolazine, in comparison with usual treatment.
Methods:
An observational, retrospective study was performed to compare the incidence of de novo atrial fibrillation in 77 consecutive patients with a diagnosis of non-revascularisable ischaemic heart disease and a new hospital admission due to acute coronary syndrome during the year 2013. These were compared with those that started with ranolazine and those on conventional treatment in the 12 months following the event. The detection of atrial fibrillation was based on its presence in a first electrocardiographic register.
Results:
Of the 77 patients, 38 were started on ranolazine, with no differences as regards the baseline characteristics of the two populations. They had similar rates of classic cardiovascular risk factors, echocardiographic data, such as atrial size, or previous treatment employed. A de novo atrial fibrillation rate of 5.3% was observed in the patients treated with ranolazine, compared to 23.1% in the non-ranolazine group (P<.001). On analysing the sub-group of patients that had an atrial fibrillation in their follow-up, only not taking of ranolazine was significant (P<.001).
Conclusion:
The use of ranolazine in patients with non-revascularisable ischaemic heart disease could have a protective effect against the development of atrial fibrillation during a 12 months follow-up.
Keywords : Ranolazine; De novo atrial fibrillation; Non-revascularisable ischaemic heart disease.