title: [Noninvasive studies of macro- and microcirculation in follow-up of femoropopliteal bypass operation in IIb peripheral arterial occlusive disease].
abstract: In 42 patients with POAD in stage IIb the blood-flow in the common femoral artery and in the superficial femoral artery was measured before, 10 days after, 3 and 12 months after femoro-popliteal bypass surgery. Blood-flow was detected noninvasively using a multichannel ultrasound computer system (MAVISR). Simultaneously Doppler pressure, skin temperature and tcPO2-values were measured. Thereafter the patients had to undergo treadmill tests (painfree and maximal walking distance). Compared to healthy volunteers preoperative blood-flow was significantly (p < 0.001) reduced in the common femoral artery and in the superficial femoral artery. Postoperatively the blood-flow increased significantly (p < 0.001) in patients with an open bypass. This increase could still be demonstrated up to one year after bypass surgery. Surprisingly, a significant (p < 0.01) postoperative rise in blood-flow was also observed in the non-operated leg. Doppler pressure, tcPO2-values (calf) in the operated leg and walking distance increased significantly (p < 0.001). The MAVISR as a noninvasive procedure allows to check the further development of the bypass-function independently of subjective influences, because quantitative changes in blood-flow are documented.
authors: Angiologische Ambulanz der Medizinischen Klinik und Poliklinik, Universitätskliniken, Homburg/Saar.
authors: P
authors: P
authors: Scheffler
authors: J
authors: J
authors: Gross
authors: S
authors: S
authors: Dabringhaus
authors: D
authors: D
authors: de la Hamette
authors: P
authors: P
authors: Walter
mesh_terms: D000328:Adult; D000368:Aged; D001157:Arterial Occlusive Diseases / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D001783:Blood Flow Velocity / Q000502:physiology; D001785:Blood Gas Monitoring, Transcutaneous / Q000295:instrumentation; D001807:Blood Vessel Prosthesis; D005080:Exercise Test / Q000295:instrumentation; D005263:Femoral Artery / Q000000981:diagnostic imaging / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000295:instrumentation; D007511:Ischemia / Q000000981:diagnostic imaging / Q000503:physiopathology / Q000601:surgery*; D007866:Leg / Q000098:blood supply*; D008297:Male; D008833:Microcirculation / Q000503:physiopathology; D008875:Middle Aged; D008955:Models, Cardiovascular; D011138:Polytetrafluoroethylene; D011150:Popliteal Artery / Q000000981:diagnostic imaging / Q000601:surgery; D011183:Postoperative Complications / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000503:physiopathology; D012881:Skin Temperature / Q000502:physiology; D018608:Ultrasonography, Doppler / Q000295:instrumentation*
chemical_list: D011138:Polytetrafluoroethylene
vernacular_title: Nicht-invasive Untersuchungen von Makro- und Mikrozirkulation zur Verlaufskontrolle von femoro-poplitealen Bypass-Operationen bei PAVK IIb.