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  • Title: Basilar artery disease--clinical outcome and Doppler sonographical follow-up.
    Author: Biedert S, Schulz U, Betz H, Reuther R.
    Journal: Eur Arch Psychiatry Neurol Sci; 1988; 237(2):91-100. PubMed ID: 3282889.
    Abstract:
    In the past 5 years we have investigated 29 patients with symptomatic basilar artery stenoses (14 cases) and occlusions (14) and a patent primitive trigeminal artery with thin-calibered basilar and vertebral arteries (1) using directional continuous-wave Doppler sonography of the vertebral arteries. A total of 19 patients survived, and 17 of them were clinically and sonographically reexamined after 40.4 +/- 15.8 months (mean +/- SD). Among the 8 patients with basilar stenoses, 6--with no further transient ischemic attacks (TIAs) in the interval--exhibited an increase in the summed modified Pourcelot indices (relative end-diastolic flow velocities) of the vertebrals by 0.18 +/- 0.16; the other 2 showed a decrease by 0.26 each, in 1 case temporally related to a TIA, in the 2nd case without further clinical deterioration. In the 8 survivors with basilar occlusions, 5 remained--by sonographic criteria--unchanged with summed modified Pourcelot indices of the vertebrals of 0.00, while 3 patients exhibited a slight increase in the summed modified Pourcelot indices of 0.13 +/- 0.03. While the difference between the outcome of subsets of patients treated with regimens of 30,000-40,000 units heparin/day or phenprocoumon and less radical drugs were statistically not significant, the former regimen appeared clinically more efficacious in preventing further deterioration in approximately two-thirds of the patients affected. Due to the potential recurrence of neurological symptoms, a treatment period with phenprocoumon of 6 months after discharge from hospital appears justified. Due to these therapeutic efforts, approximately half of the patients initially affected survived with no or only a mild neurological deficit.(ABSTRACT TRUNCATED AT 250 WORDS)
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