Weibliches Genitale

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Syphilis. Therapie

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Syphilis. Symptomatologie

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Hautkrankheiten

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Das Überempfindlichkeitsproblem in der Dermatologie

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Anatomie,Physiologie, path. Anatomie,allg. und exper. Pathologie und Therapie

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The Rewards and Challenges of Becoming a Clinical Instructor

Frontline nurses working in the clinical area are a vital component to nursing education. Taking on the role of adjunct clinical instructor can be a rewarding way to increase one's own knowledge while performing the important task of educating the next generation of nurses.     

Continuous psoas and sciatic block after knee arthroplasty: good effects compared to epidural analgesia or i.v. opioid analgesia: a prospective study of 63 patients

Introduction For endoprosthetic knee surgery, intensive postoperative pain therapy is necessary. We therefore evaluated whether the combination of continuous psoas compartment and sciatic analgesia (PSC) is as effective as epidural analgesia (EPI) and whether it provides better analgesia than patient-controlled intravenous analgesia with piritramide (PCA).

Methods We studied 63 patients who underwent total knee arthroplasty (TKA). The PSC group received a combination of continuous psoas and sciatic nerve block, the EPI group an epidural analgesia, and the PCA group an intravenous patient-controlled piritramide pump. Pain scores, satisfaction, flexion and side effects were recorded.

Results Pain scores (0-10) were higher in the PCA group (on movement, day 1/day 2: 7.0/6.5) than in the EPI group (5.0/5.0) and the PSC group (4.0/3.5). Postoperative opioid consumption over 48 h was higher in the PCA group (51 mg) than in the EPI group (0 mg) and the PSC group (0 mg). There were no differences in functional recovery. Pruritus occurred more frequently in the PCA and EPI groups than in the PSC group. Patients receiving a PSC and EPI were more satisfied than those treated with PCA.

Interpretation Analgesia with PSC catheters or EPI catheter is superior to PCA regarding pain levels, analgesic requirements, and patient satisfaction. There was no difference in functional outcome between the 3 groups.     

An anatomic study of the supraspinatus muscle and tendon

The gross and histologic anatomy of the myotendinous portion of the supraspinatus muscle was investigated with coronal and sagittal sections from 20 anatomic specimen shoulders. The anterior lateral portion of the supraspinatus contained more tendon than the posterior portion of the muscle in all 20 specimens. In seven specimens there were separate muscle fibers that originated from the most anteromedial area of the supraspinatus fossa. Knowledge of this anatomy aids in magnetic resonance image interpretation and open or arthroscopic evaluation of the supraspinatus. This consistent tendinous portion may be useful in rotator cuff repair and may provide a firm area for suture closure of the rotator interval. This prominent anterior tendinous area may serve to protect the supraspinatus during anterior forward flexion motion through the impingement arc.