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  • Chemistry  (1)
  • K+ current  (1)
  • Key words¶Proximal occluded iliac arteries –¶„kissing-balloon”-technique –¶revascularization  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 418 (1991), S. 190-192 
    ISSN: 1432-2013
    Keywords: K+ current ; inward rectification ; skeletal muscle ; locust
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An inward current activated by hyperpolarization, IK,H, was studied under voltage clamp in locust skeletal muscle. The dependence of its reversal potential on [K+]o and its insensitivity to changes in [Na+]o indicate that the underlying conductance is a K+ conductance. The instantaneous currentvoltage (I–V)-relationship exhibits outward rectification. Activation and deactivation take seconds and have complex time courses. At 10 mM [K+]o activation seems to start at a voltage ≥ mV more positive than the resting potential (∼ −68 mV). Ba++ blocks IK,H strongly; so do Rb+ and Cs+, the latter in a voltage dependent manner. The slow inward current bears similarities to anomalous rectifiers as well as to mixed, hyperpolarization-activated K+/Na+ currents in other tissues.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1435-1285
    Keywords: Key words¶Proximal occluded iliac arteries –¶„kissing-balloon”-technique –¶revascularization ; Schlüsselwörter¶Proximaler Beckengefäßverschluss –„kissing-balloon”-Technik –¶Revaskularisierung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Ein 43-jähriger Patient klagte seit 2 Wochen über zunehmende Claudicatiobeschwerden im rechten Bein. Sowohl dopplersonographisch als auch angiographisch zeigte sich ein an der Aortenbifurkation beginnender Verschluß der A. iliaca communis (AIC). Initial war eine Herzkatheteruntersuchung durchgeführt wor-¶den.¶   Über einen cross-over-Zugang von der kontralateralen Seite ließ sich der Verschluss mit einem Draht überwinden. Nach Rekanalisation mit dem Excimer-Laser wurde die ipsilaterale Seite punktiert und, zum Schutz von Aorta und A. iliaca links, in „kissing-balloon”-Technik die AIC rechts dilatiert und die Beckenstrombahn mit 3 Stents versorgt. Der Patient war anschließend beschwerdefrei, klinisch und dopplersonographisch war die Durchblutung normal und der Laufbandtest unauffällig.¶   Schlussfolgerung: Auch bei direkt am Abgang aus der Aorta verschlossenem Beckengefäß lässt sich nach lasergestützter Rekanalisation in „kissing-balloon”-Technik ohne weitere Gefährdung des Patienten eine perkutane Revaskularisierung mit gutem Ergebnis durchführen. Ein gefäßchirurgisches Vorgehen ist nicht erforderlich.
    Notes: Summary A 43-year-old patient was admitted for severe claudicatio in his right leg, doppler ultrasound and angiography revealed an occluded right common iliac artery.¶   Using the cross-over-approach from the contralateral side, it was possible to navigate a guide wire through the occlusion, and after passage with an excimer laser an ipsilateral retrograde puncture with placement of a sheath was performed. In order to protect the the aortoiliac bifurcation, a primary stent implantation of the occluded side was carried out using the kissing balloon technique. Afterwards three stents were placed. Subsequently the patient completely improved; treadmill exercise test and duplex sonography showed good results.¶   Conclusion: Using the kissing balloon technique, laser-assisted recanalisation of iliac artery occlusions even involving the aortoiliac bifurcation compare favorable to other more invasive treatments. A surgical procedure can thus be avoided.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 47 (1934), S. 173-181 
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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