Читать книгу Interventional Cardiology - Группа авторов - Страница 88

Kinking can occur with excessive catheter torque and will prevent guide advancement or coronary manipulation unless resolved (Figure 3.3c). Counter‐rotating the knot is often all that is required to unkink the catheter. More advanced methods include unkinking whilst applying external fixation with the blood pressure cuff; counter‐traction from an alternate access site using a snaring device or encasing the knot with a larger sheath [49].