Why the study?
Does sympathectomy affect blood volume in patients with hypertensive vascular disease?
Population
20 patients with hypertensive vascular disease
Comparison
sympathectomy vs preoperative baseline (before sympathectomy)
Design
Cohort
Follow-up
long-term (exact duration not stated)
Authors
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Transient red cell mass drop after sympathectomy in hypertension warrants monitoring; leaves open mechanisms of delayed recovery.
Does sympathectomy affect blood volume in patients with hypertensive vascular disease?
Sympathectomy in patients with hypertensive vascular disease causes an immediate decrease in red cell mass but no consistent long-term changes in blood volume.
Davis et al. (1948) studied this question.
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