Objective: to investigatethe intrinsic factorsandprophylaxismethods of stressulcer after Wedge-shapedosteotomysurgerycorrection of totalspine of ankylosingspondylitiskyphosisdeformity.
In the early 20th century, there had been interest in an ulcer link to the spiral-shaped bacterium until a large 1954 U.S. study failed to find it in stomach biopsies, delaying the discovery for 28 years.