
Antidepressants effectively treat depression in patients who have a history of heart attacks without adversely impacting their long-term prognosis, according to a study issued in BMC Psychiatry. Additionally, antidepressants were linked to a decreased risk of heart attack recurrence.
“Meta-analyses indicate that post–[heart attack] depression is associated with a 1.6- to 2.7-fold increased risk of mortality and cardiovascular events during long-term follow-up, highlighting the critical need for effective interventions,” wrote Hongquan Wan and colleagues at The First Hospital of Jilin University in Changchun, China.
Wan and colleagues conducted a meta-analysis of 12 studies assessing antidepressants as a post–heart attack depression intervention; the studies included more than 15,000 patients and had follow-up periods that ranged from six months to more than eight years. Depression severity was measured by validated tools such as the Beck Depression Inventory and the Hamilton Depression Rating Scale.
Though baseline depression scores did not differ between the control and treatment groups, antidepressant treatment significantly reduced depression scores at long-term follow-up. Antidepressants did not increase the risk of adverse cardiac events, all-cause mortality, or rehospitalization for heart disease.
Antidepressant treatment was associated with about a 21% reduced risk of heart attack recurrence and a 14% reduced risk of needing coronary stents. However, the researchers noted that these potential benefits should be interpreted cautiously given that a large observational study found the opposite outcome.
Depression after heart attacks “is an established independent risk factor for poor cardiac prognosis,” the authors wrote. “While some reports have raised concerns about the potential cardiac risks of antidepressants, the overall evidence suggests that they are safe and effective when appropriately prescribed.”
For related information, see the Psychiatric News article “Antidepressants May Lower Heart Attack Risk in Diabetes.”
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