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Physical Therapy Versus Glucocorticoid Injection for Osteoarthritis of the Knee

Author/s: 
Deyle, GD, Allen, CS, Allison, SC, Gill, NW, Hando, BR, Petersen, EJ, Dusenberry, DI, Rhon, DI

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.).

Keywords 
physical therapy glucocorticoids knee osteoarthritis

Initial Invasive or Conservative Strategy for Stable Coronary Disease

Author/s: 
Maron, DJ, Hochman, JS, Reynolds, HR, Bangalore, S, O'Brien, SM, Boden, WE, Chaitman, BR, Senior, R, Lopez-Sendon, J, Alexander, KP, Lopes, RD, Shaw, LJ, Berger, JS, Newman, JD, Sidhu, MS, Goodman, SG, Ruzyllo, W, Gosselin, G, Maggioni, AP, White, HD, Bhargava, B, Min, JK, Mancini, GBJ, Berman, DS, Picard, MH, Kwong, RY, Ali, ZA, Mark, DB, Spertus, JA, Krishnan, MN, Elghamaz, A, Moorthy, N, Hueb, WA, Demkow, M, Mavromatis, K, Bockeria, O, Peteiro, J, Miller, TD, Szwed, H, Doerr, R, Keltai, M, Selvanayagam, JB, Steg, PG, Held, C, Kohsaka, S, Mavromichalis, S, Kirby, R, Jeffries, NO, Harrell, FE Jr, Rockhold, FW, Broderick, S, Ferguson, TB Jr, Williams, DO, Harrington, RA, Stone, GW, Rosenberg, Y, ISCHEMIA Research Group

Background: Among patients with stable coronary disease and moderate or severe ischemia, whether clinical outcomes are better in those who receive an invasive intervention plus medical therapy than in those who receive medical therapy alone is uncertain.

Methods: We randomly assigned 5179 patients with moderate or severe ischemia to an initial invasive strategy (angiography and revascularization when feasible) and medical therapy or to an initial conservative strategy of medical therapy alone and angiography if medical therapy failed. The primary outcome was a composite of death from cardiovascular causes, myocardial infarction, or hospitalization for unstable angina, heart failure, or resuscitated cardiac arrest. A key secondary outcome was death from cardiovascular causes or myocardial infarction.

Results: Over a median of 3.2 years, 318 primary outcome events occurred in the invasive-strategy group and 352 occurred in the conservative-strategy group. At 6 months, the cumulative event rate was 5.3% in the invasive-strategy group and 3.4% in the conservative-strategy group (difference, 1.9 percentage points; 95% confidence interval [CI], 0.8 to 3.0); at 5 years, the cumulative event rate was 16.4% and 18.2%, respectively (difference, -1.8 percentage points; 95% CI, -4.7 to 1.0). Results were similar with respect to the key secondary outcome. The incidence of the primary outcome was sensitive to the definition of myocardial infarction; a secondary analysis yielded more procedural myocardial infarctions of uncertain clinical importance. There were 145 deaths in the invasive-strategy group and 144 deaths in the conservative-strategy group (hazard ratio, 1.05; 95% CI, 0.83 to 1.32).

Conclusions: Among patients with stable coronary disease and moderate or severe ischemia, we did not find evidence that an initial invasive strategy, as compared with an initial conservative strategy, reduced the risk of ischemic cardiovascular events or death from any cause over a median of 3.2 years. The trial findings were sensitive to the definition of myocardial infarction that was used. (Funded by the National Heart, Lung, and Blood Institute and others; ISCHEMIA ClinicalTrials.gov number, NCT01471522.).

Keywords 
coronary artery disease cardiac ischemia cardiac interventions
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