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  • Supraaortic occlusions  (2)
  • Architecture  (1)
  • Basilar artery stenosis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    148. Spätergebnisse der chirurgischen Behandlung chronischer Verschlußprozesse der supraaortalen Aste (1979)
    Springer
    Langenbeck's archives of surgery 349 (1979), S. 542-542 
    Details
    ISSN: 1435-2451
    Keywords: Supraaortic occlusions ; Late results of reconstructive surgery ; Supraaortale Verschlüsse ; Funktionelle Spätergebnisse nach Wiederherstellungsoperationen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Als Spätergebnisse 1–16 Jahre nach Desobliteration einer Carotisstenose im Stadium I bleiben 97,8 % der Patienten asymptomatisch, nach Korrektur eines Stadium II sind 79,3 % völlig beschwerdefrei und 13,0% deutlich gebessert. Nach operativer Behandlung des frischen Schlaganfalls finden sich als Spätergebnis 20 % geheilt und 70 % gebessert. Im Defektstadium nach durchgemachtem Schlaganfall werden keine weiteren neurologischen Ausfälle beobachtet. Nach Eingriffen an den anderen Aortenbogenästen zeigen sich in 92,5 % überzeugende Langzeitergebnisse.
    Notes: Summary Internal carotid endarterectomy is an effective and long-lasting means of preventing cerebrovascular accidents. After 1–16 years it was entirely successful in 97.8 % of asymptomatic patients; 79.3 % of patients with transient ischemic attacks experienced no further symptoms, 13 % were improved. In patients with acute stroke 20 % were cured, 70 % improved and 10 % unchanged. The follow-up of patients after a stroke yielded no further neurological deficit. The late results 1–14 years after reconstruction of the other supraaortic vessels were good in 92.5 % of cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01729606
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Basilar artery disease —Clinical outcome and doppler sonographical follow-up (1988)
    Springer
    European archives of psychiatry and clinical neuroscience 237 (1988), S. 91-100 
    Details
    ISSN: 1433-8491
    Keywords: Basilar artery stenosis ; Basilar artery occlusion ; Continuous-wave Doppler sonography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary 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. Directional continuous-wave Doppler sonography is, in our opinion, a reliable technique for examining the short- and long-term changes in peripheral vascular resistance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00382372
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Spätergebnisse der chirurgischen Behandlung chronischer Verschlußprozesse der supraaortalen Äste (1980)
    Springer
    Langenbeck's archives of surgery 350 (1980), S. 185-189 
    Details
    ISSN: 1435-2451
    Keywords: Supraaortic occlusions ; Late results of reconstructive surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Als Spätergebnisse 1–16 Jahre nach Desobliteration einer Carotisstenose im Stadium I bleiben 97,8% der Patienten asymptomatisch, nach Korrektur eines Stadium II sind 79,3% völlig beschwerdefrei und 13,0% deutlich gebessert. Nach operativer Behandlung des frischen Schlaganfalls finden sich als Spätergebnis 20% geheilt und 70% gebessert. Im Defektstadium nach durchgemachtem Schlaganfall werden keine weiteren neurologischen Ausfälle beobachtet. Nach Eingriffen an den anderen Aortenbogenästen zeigen sich in 92,5% überzeugende Langzeitergebnisse.
    Notes: Summary Internal carotid endarterectomy is an effective and longlasting means of preventing cerebrovascular accidents. After 1–16 years it was entirely successful in 97.8% of asymptomatic patients; 79.3% of patients with transient ischemic attacks experienced no further symptoms, 13% were improved. In patients with acute stroke 20% were cured, 70% improved, and 10% unchanged. The follow-up of patients with completed stroke yielded no further neurological deficit. The late results 1–14 years after reconstruction of the other supraaortic vessels were good in 92,5% of cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01237559
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Architecture in cortical bone and ultrasound transmission velocity (1993)
    Springer
    Clinical rheumatology 12 (1993), S. 364-367 
    Details
    ISSN: 1434-9949
    Keywords: Ultrasound ; Cortical bone ; Mechanical Properties ; Architecture ; Modulus of Elasticity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The square of ultrasound transmission velocity in a material is correlated to the modulus of elasticity, which is an indicator of its mechanical properties. This might make the measurement of ultrasound transmission velocity useful in the noninvasive diagnosis of bone diseases. Bone, however, is not an isotropic material but is architecturally structured. The aim of our study was to investigate and especially to quantify the influence of architecture in cortical bone on ultrasound transmission velocity. Twenty-two rectangular, flat specimens of cortical bone were prepared from diaphysis of fresh pig radius. Ultrasound transmission velocity was measured parallel and perpendicular to direction of Haversian channels. It was found to be 3647 ± 41 m/s parallel to and 2821 ± 29 m/s perpendicular to Haversian channels respectively (p〈0.001). Our results clearly indicate that there is an important influence of architecture in cortical bone on ultrasound transmission velocity which has to be taken into account in its clinical use.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02231581
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    Paper (German National Licenses)
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