8.The criteria for the assessment of efficacy were pain at rest, pain on pressure and movement, feeling of tension and heaviness, edema, leg cramps, haematoma, erythema, palpable indurations, duration of treatment up to improvement and up to freedom from symptoms and signs and global assessment.
9.Because coronal haematoma absorptance is slower, avoid by all means is carried with the needle broken, or go drawing blood with injector, can enter a bacterium because of taking instead so and produce infection, cause undesirable consequence.
10.It was found that pneumothorax, of artery injury, haematoma, bacteriemia, tubular obstruction and low blood flow were the main complications. It was suggested that the occurence of complication was related to the choice of vascular access.
