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- Janson, M., et al.
(author)
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Data validation in an economic evaluation of surgery for colon cancer
- 2005
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In: International journal of technology assessment in health care. - 0266-4623 .- 1471-6348. ; 21:2, s. 246-52
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Journal article (peer-reviewed)abstract
- OBJECTIVES: This study aimed to validate the accuracy of data retrieved in a prospective multicenter trial, the purpose of which was an economic evaluation of two techniques of surgery for colon cancer. METHODS: Within the Swedish contribution of the COLOR trial (Colon Cancer Open or Laparoscopic Resection), an economic evaluation of open versus laparoscopic surgical techniques was conducted. Data were collected by case record forms (CRF), patient diaries, and telephone surveys every 2 weeks. The study period was 12 weeks, and the perspective was societal. Data from the first consecutive forty patients to complete the health economic study protocol were validated. Retrieved data were compared with data from medical records and data from local social security offices for agreement. RESULTS: Statistically significant differences were found for duration of anesthesia, length of surgery, number of outpatient consultations by doctors and district nurses, complication rate, and the use of central venous lines. No significant differences were observed concerning length of hospital stay, disposable instruments cost, and time off work, all of which heavily influence total costs. CONCLUSIONS: The present method of data collection regarding resources used in this setting seems to produce accurate data for economic evaluation; however, relative to complication rates, the method did not retrieve accurate data.
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- Janson, M., et al.
(author)
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Randomized trial of health-related quality of life after open and laparoscopic surgery for colon cancer
- 2007
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In: Surgical endoscopy. - 1432-2218. ; 21:5, s. 747-53
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Journal article (peer-reviewed)abstract
- BACKGROUND: Randomized controlled trials (RCTs) have reported improved or unchanged three-year survival following laparoscopic colon resection (LCR) for colon cancer compared with that following open resection (OCR). The aim of this study was to determine health-related quality of life (HRQL) in patients randomized to laparoscopic or open resection for colon cancer. METHODS: In total, 285 patients (130 LCR, 155 OCR) from seven Swedish centers were included. HRQL was assessed preoperatively and at 2, 4, and 12 weeks postoperatively with the EQ-5D and EORTC QLQ-C30 instruments. RESULTS: The LCR patients did significantly better on the social function component of the EORTC QLQ-C30 at two and four weeks and on the role function component at two weeks. CONCLUSION: Laparoscopic resection for colon cancer improved quality of life during the first postoperative month.
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- Lindgren, Lars-Johan, et al.
(author)
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The new septum magnets
- 2005
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In: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. - : Elsevier BV. - 0167-5087 .- 0168-9002. ; 547:2-3, s. 686-689
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Journal article (peer-reviewed)abstract
- In an earlier paper we reported on a new septum magnet design with a magnetic flux filter [1]. Now the first septum magnet is in operation as in injection septum magnet for the MAX I storage ring. We dcscribe the actual mechanical construction and the field measurements of the new magnets. The fine Structure of the septum nose needed several trials in the construction until we found the final solution. The measured residual stray fields in the ring tube are even smaller than was expected from the model calculations.
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- Tarawneh, Hamed, et al.
(author)
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Prototype soft end dipole magnet for MAX-IV, fabrication and measurements
- 2005
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In: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. - : Elsevier BV. - 0167-5087 .- 0168-9002. ; 546:3, s. 620-626
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Journal article (peer-reviewed)abstract
- The MAX-IV storage rings are being studied at MAX-Lab. In this paper, we present the magnetic measurements of the soft bending magnet prototype. The magnet is introduced in the matching section of the 3 GeV storage ring lattice [Tarawneh, Proceedings of European Particle Accelerator Conference, July 2004, Lucerne, Switzerland] mainly to reduce the power of the synchrotron radiation hitting the upstream superconducting insertion devices.
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