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  • 1
    Electronic Resource
    Electronic Resource
    A population-based survey of biliary surgery in Norway (1998)
    Springer
    Surgical endoscopy and other interventional techniques 12 (1998), S. 852-855 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Bile duct injury — Cholecystectomy — National registry — Patient volume — Surgical complications — Treatment quality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: A registry was initiated in order to establish national standards for the quality of surgical treatment of gallstones, and to provide feedback to all hospitals about serious complications, in order to reduce their future incidence. Methods: Prospective registration of complications was performed at all hospitals and collected in the National Norwegian Cholecystectomy Registry (NNCR) over a period of 33 months. Results: Open cholecystectomy (OC) was performed in 1011 patients, and laparoscopic cholecystectomy (LC) in 4332 patients. These figures represent 68% of all procedures performed nationally. The frequency of bile duct (BD) injury was 0.8% for LC versus 0.7% for OC (ns); mortality was 0.1% versus 2.1%, respectively (p 〈 0.05). The frequency of BD injury and mortality were added; the sum comprised the Severe Complication Index (SCI). A linear relationship was found between SCI and patient volume (correlation coefficient, r2 2= 0.78). Conclusions: SCI was found to be the best indicator of surgical success. We have proposed its use as a parameter for a future prospective quality assurance program, along with patient volume.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900728
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cholecystectomy rates, gallstone prevalence, and handling of bile duct injuries in Scandinavia (1998)
    Springer
    Surgical endoscopy and other interventional techniques 12 (1998), S. 1386-1389 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Adverse event — Bile duct injury — Cholecystectomy rate — Laparoscopic cholecystectomy — Patient selection — Surgical decision making — Registry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: This study was performed to assess three fields of surgical decision making: (a) selecting patients for cholecystectomy, (b) analyzing the value of intraoperative cholangiography (IOC), and (c) surveying the handling of bile duct (BD) injuries. Methods: Yearly numbers of laparoscopic (LC) and open cholecystectomies (OC) were collected from official health care statistics. Data concerning handling of BD injuries were taken from each country's LC registry. Results: From 1989 to 1995 the median cholecystectomy rate was 6.82 per 10,000 inhabitants in Denmark, 14.20 in Finland, 6.23 in Norway, and 12.17 in Sweden. Deviations from the median yearly rates in each country were −14.8% to +14.4%. Repair of BD injury was performed in the same local hospital where the injury had occurred in 68–98% of cases. Conclusions: Patient selection differed between countries before the introduction of LC, and these differences have persisted. Few patients with BD injury were treated in referral centers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900864
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Graviton-induced bremsstrahlung at e + e - colliders (2004)
    Springer
    The European physical journal 35 (2004), S. 555-566 
    Details
    ISSN: 1434-6052
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. We consider graviton-induced bremsstrahlung at future e + e - colliders in both the ADD and RS models, with emphasis on the photon perpendicular momentum and angular distribution. The photon spectrum is shown to be harder than in the standard model, and there is an enhancement for photons making large angles with respect to the beam. In the ADD scenario, the excess at large photon perpendicular momenta should be measurable for values of the cut-off up to about twice times the CM energy. In the RS scenario, radiative return to graviton resonances below the CM energy can lead to large enhancements of the cross section.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjc/s2004-01858-5
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    Paper (German National Licenses)
    Fulltext
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