Transcutaneous Oxygen Tension: Principles and Applications
Fig. 52.1 Right legwith sensors in place. Paper tape, placed over the sensor cup, can assist in keeping electrode stable and in constant contact with skin Tissue ischemia or inadequate…
Noninvasive Vascular Testing for the Trauma Patient
Hard signs Soft signs Observed pulsatile bleeding Significant hemorrhage by history Arterial thrill by manual palpation Neurological abnormality Bruit auscultated over or near area of arterial injury Diminished pulse compared…
Duplex Ultrasound Velocity Criteria in Carotid Artery Stenting Patients
Fig. 13.1 Incidence of in-stent restenosis after carotid artery stenting (CAS). (a) Kaplan-Meier cumulative event rates for clinically significant ISR ≥ 80% after CAS. (b) Kaplan-Meier cumulative event rates for…
Rationale and Benefits of Surveillance After Percutaneous Transluminal Angioplasty and Stenting of Iliac and Femoral Arteries
Fig. 26.1 (a) Duplex ultrasound demonstrating moderate stenosis with an elevated peak systolic velocity of 200 cm/s in midportion of SFA stent. (b) Duplex ultrasound demonstrating high-grade stenosis with an…
Pulse Volume Recording in the Diagnosis of Peripheral Vascular Disease
Fig. 22.1 Picture of a prototype internally calibrated pulse volume recorder (PVR). This system is controlled by a computer. The operator interfaces with the unit via a touch screen. The…
Rationale and Benefits of Surveillance After Prosthetic Infrainguinal Bypass Grafts
Monophasic signal throughout the graft Uniform peak systolic velocities <45 cm/s Any focal peak systolic velocity >300 cm/s Peak systolic velocity ratio between two adjacent segments >3.5 Indications for Interventions…
Vertebral Artery Ultrasonography
Fig. 9.1 (a) Rotated contrast-enhanced 3D MR angiogram of cervical arteries. The arrowheads indicate the right VA. (b) Longitudinal plane of the VA (V0 through V3 segments) with superimposed color…
Intima Media Thickness Measurement: Definition, Predictive Value on Cardiovascular Events, and Contribution to Cardiovascular Risk Evaluation
Fig. 17.1 IMT measurement methodology. CCA, ICA, ECA common, internal, and external carotid artery Criteria to Evaluate a New Risk Marker The AHA published the principles to specifically address criteria…
Role of Duplex Ultrasound in Carotid Screening
3. Jahromi AS, Cina CS, Liu Y, Clase CM. Sensitivity and specificity of color duplex ultrasound measurement in the estimation of internal carotid artery stenosis: a systematic review and meta-analysis….
Physician Qualifications in the Clinical Diagnostic Vascular Laboratory
Fig. 2.1 Medical and surgical specialties interacting with the vascular patient Table 2.1 Suggested curriculum for physicians interpreting in the vascular laboratory Pathophysiology of vascular disease including arterial (atherosclerotic and…
