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Prognosis in patients with microvascular angina: a clinical follow-up.

: The prognosis of patients with microvascular angina (MVA) has been reported to be good. In 10-20% of the cases, the symptoms of angina progressively worsen during follow-up, becoming more frequent and prolonged, absorbing lower workloads or even increasing at rest and becoming less sensitive, or even refractory, to drug therapy. The frequency and intensity of angina episodes require frequent medical visits, hospital admissions, absences from work, thus determining a high social cost of the disease. To obtain further information on this clinical controversy, we performed a clinical follow-up of of 132 patients with diagnosis of microvascular angina.