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Medicina Intensiva

versión impresa ISSN 0210-5691


LATOUR-PEREZ, J.  y  GALDOS ANUNCIBAY, P.. Thrombolysis in acute ischemic stroke in centers lacking a stroke unit: referral to reference center or on-site treatment?. Med. Intensiva [online]. 2012, vol.36, n.5, pp.324-328. ISSN 0210-5691.

Objective: To assess the clinical impact of on-site thrombolysis versus referral to another hospital in patients with ischemic stroke attended in a hospital lacking a stroke unit. Design: Expected value decision analysis and Monte Carlo simulation. Patients and setting: Decision analysis based on a cohort study (SIT-MOST) and a meta-analysis of randomized trials of thrombolysis versus placebo in patients with acute ischemic stroke. Interventions: On-site thrombolysis (in hospitals lacking a stroke unit) versus delayed thrombolysis in a reference hospital. Main outcomes: Neurological outcome (modified Rankin scale) three months after admission according to the delay in the administration of thrombolysis. Results: At baseline (initial delay of 135min, travel time 60minutes), on-site treatment was more effective than referral to another hospital (number of patients with favorable neurological outcome 45.3% versus 41.3%). In patients seen within 45minutes of the onset of symptoms, for every 10 patients transferred there was an additional case with an unfavorable neurological outcome that could have been avoided with on-site thrombolysis. In the Monte Carlo analysis, biased against on-site treatment by a reduction in effectiveness of 30%, on-site treatment was superior to patient referral in 77.2% of the cases. Conclusions: The available evidence does not support the recommendations of the national stroke strategy or some regional plans that discourage the administration of thrombolysis in hospitals without stroke units.

Palabras clave : Stroke; Thrombolytic therapy; Decision support techniques.

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