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- Läckgren, Göran, 1942-, et al.
(författare)
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Endoscopic Treatment With Stabilized Nonanimal Hyaluronic Acid/Dextranomer Gel is Effective in Vesicoureteral Reflux Associated With Bladder Dysfunction
- 2007
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Ingår i: Journal of Urology. - : Ovid Technologies (Wolters Kluwer Health). - 0022-5347 .- 1527-3792. ; 177:3, s. 1124-1129
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Tidskriftsartikel (refereegranskat)abstract
- PURPOSE: Endoscopic injection of stabilized nonanimal hyaluronic acid/dextranomer gel is an established treatment for vesicoureteral reflux in children. We performed a subgroup analysis to assess this treatment in reflux associated with bladder dysfunction. MATERIALS AND METHODS: Of 308 consecutive children treated endoscopically with stabilized nonanimal hyaluronic acid/dextranomer gel for dilating vesicoureteral reflux 54 were observed retrospectively to have bladder dysfunction. Initial followup consisted of voiding cystourethrogram at 3 and 12 months after injection, with positive response defined as reflux grade 0 or I. At 7 to 12 years following treatment patient charts were checked for urinary tract infections and bladder dysfunction, and a followup survey (postal questionnaire) was administered. RESULTS: A positive response to therapy (cure) was observed in 45 children (83%) after 1 to 3 endoscopic treatments. Concurrently, bladder dysfunction had resolved in 32 patients (59%). After the last stabilized nonanimal hyaluronic acid/dextranomer gel implantation 45 patients (83%) were free of urinary tract infections. Questionnaire results were similar to chart based findings. Stabilized nonanimal hyaluronic acid/dextranomer gel implantation was well tolerated, with no associated complications. CONCLUSIONS: Endoscopic treatment with stabilized nonanimal hyaluronic acid/dextranomer gel appears to be similarly effective in patients with vesicoureteral reflux with and without bladder dysfunction. These data indicate that bladder dysfunction should not be considered a contraindication to endoscopic treatment for reflux.
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| 4. |
- Melander, Arne, 1948-, et al.
(författare)
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Sheet metal forming of ultra high strength steels
- 2009
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Ingår i: Proceedings of The International 3’rd Swedish Production Symposium, SPS’09. - Göteborg. ; , s. 342-347, s. 342-347
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Konferensbidrag (refereegranskat)
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| 5. |
- Melander, Arne, 1948-, et al.
(författare)
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Spring back evaluation for high and ultra high strength sheet steels with the bending under tension machine
- 2015
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Ingår i: International Journal of Material Forming. - : Springer. - 1960-6206 .- 1960-6214. ; 8:1, s. 137-144
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Tidskriftsartikel (refereegranskat)abstract
- The Bending Under Tension (BUT) machine is used for evaluation of spring back in sheet metal forming. A strip is drawn over a rotating cylindrical die with different restraining forces. The strip is allowed to spring back after drawing and the curvature of the strip is measured. The loading sequence is typical to wall sections of pressed components, side wall curl, where the material has been bent, unbent and finally unloaded. The test was performed on four high and ultra high strength steels with tensile strengths in the range from 800 MPa to 1300 MPa. A clear separation of the data for the four steels was demonstrated. It was analysed to what extent the differences in spring back between the different steels was related to the differences in tensile strengths. A finite element simulation model was used to simulate the strip curvature after BUT testing. The material parameters of the model were fitted to monotonic uniaxial and equibiaxial tests and uniaxial cyclic tests. The model could describe the experimental data in a satisfactory way.
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| 8. |
- Tärnvik, Arne, 1940-, et al.
(författare)
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Suitability of the multiple case method when applied on dermatology and infectious diseases at the clinical stage of medical education
- 2010
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Ingår i: The Internet Journal of Medical Education. - : Internet Scientific Publications. - 2155-6725. ; 1:1
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Tidskriftsartikel (refereegranskat)abstract
- Background: By mimicking situations relevant to future work conditions, the multiple case method aims to trigger student interest in a subject and to induce familiarity with subject knowledge. Objectives: Our main aim was to assess the suitability of the multiple case method when applied at the clinical stage of medical education. Moreover, we wished to define the maximum group size with which students felt comfortable. Methods: Between 2001 and 2007, during 24 runs of a course in dermatology and infectious diseases, student assessments of the multiple case method were rated. Between 1993 and 2007, 1323 student evaluations were scrutinized for comments on group size. Results: On a 1-5 scale (1= value poor, 5= value high), student ratings of the multiple case method remained consistent at 4.4 to 4.7. When the number of participants in the discussion groups was 18 - 25, no comments on group size occurred. When size increased to 26 - 33 participants, 4/605 (0.7%) commented spontaneously that they would prefer discussing in a smaller group. At a size of 34 – 37, 20/396 (5.1%) expressed such a concern.
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