Add a few squirts of mild dish soap. Scrub the patio with a long-handled scrub brush and the soapy water. Rinse the soap off with water from the garden hose. Cover plants, grass and landscaping around the concrete slab with plastic sheeting if it is still dirty or stained.
When pseudarthrosis is caused by or results in a positive sagittal-plane deformity, correction is essential. This can be accomplished by lengthening the anterior column, shortening the posterior column, or both. The anterior column can be extended by adding a structural interbody graft to the area of concern (Fig.
In some cases, chylothorax may be caused by trauma or by increased pressure within the thoracic duct or vena cava. Trauma may cause the thoracic duct to rupture or become 'leaky'. Automobile injuries or falls from a tree or window that injure the chest cavity are the most common causes of traumatic chylothorax.