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Background: Both physical therapy and intraarticular injections of glucocorticoids have been shown to confer clinical benefit with respect to osteoarthritis of the knee. Whether the short-term and long-term effectiveness for relieving pain and improving physical function differ between these two therapies is uncertain.
Methods: We conducted a randomized trial to compare physical therapy with glucocorticoid injection in the primary care setting in the U.S. Military Health System. Patients with osteoarthritis in one or both knees were randomly assigned in a 1:1 ratio to receive a glucocorticoid injection or to undergo physical therapy. The primary outcome was the total score on the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) at 1 year (scores range from 0 to 240, with higher scores indicating worse pain, function, and stiffness). The secondary outcomes were the time needed to complete the Alternate Step Test, the time needed to complete the Timed Up and Go test, and the score on the Global Rating of Change scale, all assessed at 1 year.
Results: We enrolled 156 patients with a mean age of 56 years; 78 patients were assigned to each group. Baseline characteristics, including severity of pain and level of disability, were similar in the two groups. The mean (±SD) baseline WOMAC scores were 108.8±47.1 in the glucocorticoid injection group and 107.1±42.4 in the physical therapy group. At 1 year, the mean scores were 55.8±53.8 and 37.0±30.7, respectively (mean between-group difference, 18.8 points; 95% confidence interval, 5.0 to 32.6), a finding favoring physical therapy. Changes in secondary outcomes were in the same direction as those of the primary outcome. One patient fainted while receiving a glucocorticoid injection.
Conclusions: Patients with osteoarthritis of the knee who underwent physical therapy had less pain and functional disability at 1 year than patients who received an intraarticular glucocorticoid injection. (ClinicalTrials.gov number, NCT01427153.).
Major adverse cardiac events are common causes of perioperative mortality and major morbidity. Preventing these complications requires thorough preoperative risk assessment and postoperative monitoring of at-risk patients. Major guidelines recommend assessment based on a validated risk calculator that incorporates patient- and procedure-specific factors. American and European guidelines define when stress testing is needed on the basis of functional capacity assessment. Favoring cost-effectiveness, Canadian guidelines instead recommend obtaining brain natriuretic peptide or N-terminal prohormone of brain natriuretic peptide levels to guide postoperative screening for myocardial injury or infarction. When conditions such as acute coronary syndrome, severe pulmonary hypertension, and decompensated heart failure are identified, nonemergent surgery should be postponed until the condition is appropriately managed. There is an evolving role of biomarkers and myocardial injury after noncardiac surgery to enhance risk stratification, but the effect of interventions guided by these strategies is unclear.
