The TEA lidocaine had better pain relief, lower opioid consumption, earlier return of bowel function and lesser production of cytokines than IV lidocaine during 72 h after colonic surgery; IV group was better than the control group.
Background
Analyses of existing nationally representative information on how changes in ambulatory orthopedic surgery have affected anesthesia practice over time are rare. We sought to characterize temporal changes in factors surrounding ambulatory orthopedic surgery and anesthesia.
Methods
Data from the National Survey of Ambulatory Surgery for the years of 1996 and 2006 were analyzed. Entries indicating the performance of knee ligamentoplasty, meniscectomy or shoulder arthroscopy were identified and included in the sample. Temporal changes in a number of variables associated with orthopedic ambulatory surgery were assessed, including: 1) the number of procedures being performed, 2) patient and health care system related demographics and 3) anesthesia related variables.
Results
Nationwide, the total number of ligamentoplasties, meniscectomies and shoulder arthroscopies increased from 1996 to 2006 by 66% (N=258,932 to N=428,712), 51% (N=456,698 to N=690,164), and 349% (N=93,105 to N=418,188) respectively (P<0.0001). Between 1996 and 2006 the use of peripheral nerve blocks increased from 0.6% to 9.8% for meniscectomies (P<0.0001), from 1.5% to 13.7% for ligamentoplasties (P<0.0001), and from 11.5% to 23.9% for shoulder arthroscopies (P<0.0001), respectively. Neuraxial anesthesia utilization fell from 11.8% to 6.3% for meniscectomies (P<0.0001) and 13.6% to 7.3% for ligamentoplasties (P<0.0001) from 1996 to 2006, respectively.
Conclusion
Substantial increases in the number of ambulatory knee and shoulder procedures occurred over time, relating to increased demand for anesthesia providers in this field. Trends towards increased use of peripheral nerve blocks may have to be considered by educators when preparing residents for practice.
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