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.
Other possible causes of hydronephrosis include: 1  Blood clots in the kidney or ureter. 2  Narrowing or stricture of the urinary tract due to injury, infection, birth defects or surgery.3  Nerve or muscle problems that affect the kidneys or ureters.4  Urinary retention due to an inability to empty the bladder.ther possible causes of hydronephrosis include: 1  Blood clots in the kidney or ureter. 2  Narrowing or stricture of the urinary tract due to injury, infection, birth defects or surgery.