Low Vitamin D in Spine Surgery Patients (AUDIO) Washington University School of Medicine Your browser does not support the audio element. Caption Low levels of the vitamin can contribute to problems in the bones of patients undergoing spine surgery, and a new study from Washington University spine surgeons at Barnes-Jewish Hospital in St. Louis has found that inadequate vitamin D levels are alarmingly common in spine surgery patients. Credit Washington University/BioMed Radio Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.