The control group received standard instructions, whereas the exercise group was instructed on specific exercises aimed at strengthening or stretching the shoulder girdle, to be completed 3 days per PD0332991 in vitro week. Groups were postoperatively monitored for the development of shoulder discomfort and shoulder impingement by using physical examination and disability questionnaires. At 1 month, seven of 21 control patients reported developing shoulder pain or discomfort compared to one of 23 in the exercise group (P = 0.02). At 6 months, four of 23 control patients still reported worsening shoulder symptoms,
compared to none in the exercise group (P = 0.11). In the control group, five of 19 patients developed a positive impingement test at 1 month, versus none in the exercise group (P = 0.01). Scores for the questionnaires designed to assess shoulder pain and dysfunction were worse in the control group. There were no activity-related complications in either group.
Conclusion: Shoulder pain and disability occurs often following cardiac rhythm management device implantation. A simple exercise program aimed at strengthening the shoulder girdle is effective at preventing this complication. (PACE 2011; 1-7).”
“Objective. The purpose of this study was
to determine the loss of efficacy over time of the Buc-1 ultrasonic tip in dentin blocks.
Study design. An ultrasonic handpiece selleck screening library was mounted to the loading arm of a universal testing machine and a downward force of 15 g was applied in 20-sec Pitavastatin price cycles for a total of 30 min of instrumentation. Efficacy was measured by the change in weight of the dentin block to the nearest 0.01 mg after 2, 10, 20, and 30 minutes of instrumentation (n = 5 tips).
Results. Dentin removal decreased
significantly between 2 and 10 minutes of instrumentation with no further significant decrease after 20 or 30 minutes (1-factor analysis of variance: alpha = .05).
Conclusion. The evidence suggests there is a significant decrease in dentin removal efficacy of the Buc-1 tip after 10 minutes of instrumentation. Continued instrumentation for up to 30 minutes showed no further decrease in efficacy. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2010; 109: e107-e109)”
“Methods: Consecutive patients with transvenous leads undergoing TEE from July 1, 2003, to June 30, 2005, were identified and assessed for a clinical diagnosis of endocarditis. An echocardiographer blinded to clinical information reviewed all TEEs.
Results: Of 177 TEEs performed on 153 patients, a visible mass on a device lead was observed in 25 (14%), including 11 TEEs showing a lead vegetation, 13 TEEs showing lead strands, and one study showing both. Seventeen patients were adjudicated to have endocarditis, of which eight had a mass seen on a lead during TEE. Thus, 72% of patients (18 of 25) with a lead-associated mass did not have evidence of an infection.
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