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Journal of Korean Neurosurgical Society ; : 377-381, 2007.
Artículo en Inglés | WPRIM | ID: wpr-178340

RESUMEN

OBJECTIVE: High-molecular-weight hydroxyethyl starch (HES) compromises blood coagulation more than does low-molecular-weight HES. We compared the effects of low- and high-molecular-weight HES for the treatment of vasospasm and investigated the dose relationship with each other. METHODS: Retrospectively, in a series of consecutive 102 patients with subarachnoid hemorrhage (SAH), 35 patients developed clinical symptoms of vasospasm of these fourteen patients were treated with low-molecularweight HES for volume expansion while the other 21 received high-molecular-weight HES as continuous intravenous infusion. Prothrombin time (PT), partial thromboplastin time (PTT), fibrinogen level, and platelet count were all measured prior to initiation, during treatment and after termination of therapy for symptomatic vasospasm. The total dose of HES ranged from 5 L to 14 L and median infusion duration was 10 days. RESULTS: A more pronounced PTT prolongation was observed in high-molecular-weight HES group compared with low-molecular-weight HES group. No other coagulation parameters were altered. Dosage (=duration) shows a positive correlation with PTT. Clinically, significant bleeding episodes were noted in four patients who received high-molecular-weight HES. CONCLUSION: Coagulopathy was developed in direct proportion to molecular weight of starch and dosages. We propose the extreme caution in the administration of HES solution for the vasospasm treatment.


Asunto(s)
Humanos , Coagulación Sanguínea , Fibrinógeno , Hemorragia , Infusiones Intravenosas , Peso Molecular , Tiempo de Tromboplastina Parcial , Recuento de Plaquetas , Tiempo de Protrombina , Estudios Retrospectivos , Almidón , Hemorragia Subaracnoidea
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