• M García-Moll, R Serra, and X García-Moll.
• Departamento de Cardiología y Cirugía Cardíaca, Hospital de la Santa Creu i Sant Pau, Barcelona. 1445@hsp.santpau.es
• Rev Esp Cardiol. 2000 Mar 1;53(3):321-6.

Introduction And ObjectivesThe quality of life in patients with refractory angina has been shown to improve dramatically with spinal cord stimulation because of its beneficial results. The aim of this study was to assess the long-term morbimortality of this technique of spinal cord stimulation in the long term.Patients And Methods41 patients with refractory angina and treated with spinal cord stimulation were included. Median follow-up was 31.0 [12.0-42.5] months, and total follow-up was 1,236 months.ResultsAnnual number of admissions per patient year were dramatically reduced after spinal cord stimulation (2.31 vs. 0.28). Patients that died during follow-up had a 3-fold increase rate of admissions than patients that survived (0.37 vs. 0.19). However, patients that died during follow-up also had a lower admission rate after spinal cord stimulation (2.03 vs. 0.37). Overall mortality was 9.7%/year; cardiac mortality was 7.7%/year. Both figures are not different from those of other groups of patients with similar anatomical characteristics of coronary artery disease severity without spinal cord stimulation. Complications of this treatment were minimal (we only observed an early post implantation infection and a battery extrusion, without any complications with electrodes). The outcome was similar in patients with subacute unstable refractory angina or stable angina.ConclusionsSpinal cord stimulation can be considered a safe and effective alternative treatment of refractory angina. Long-term morbidity is low, and mortality is not higher than the expected in this group of patients.

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