Caren van Roekel

240 Chapter 9 TABLE 3. Adverse device effects in 21 included patients Standard microcatheter Anti- reflux catheter Anti-reflux catheter – Surefire Infusion System (1 st generation) Anti-reflux catheter – Surefire Precision Infusion System (2 nd generation) Spasm 1/21 5/21 5/16 1/5 Stasis 3/21 3/21 Unstable injection position 0/21 3/21 3/16 0/5 Inability to reach desired injection position 0/21 5/21 (LHA n=4) 5/16 0/5 Inadvertent vessel occlusion 0/21 1/21 0/16 1/5 FIGURE 3. Flowchart of study procedures in included patients.