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  • 2000-2004  (3)
  • Common bile duct abnormalities  (1)
  • Key words Total hip arthroplasty  (1)
  • Osteoporosis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Pathologic changes in the common bile duct of an experimental model with pancreaticobiliary maljunction without biliary dilatation (2000)
    Springer
    Pediatric surgery international 16 (2000), S. 26-28 
    Details
    ISSN: 1437-9813
    Keywords: Key words Pancreaticobiliary maljunction ; Choledochal cyst ; Common bile duct abnormalities ; Pancreatic duct abnormalities ; Proliferating cell nuclear antigen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Pancreaticobiliary maljunction (PBM), a congenital anomaly, causes regurgitation of pancreatic juice into the biliary tract, where it exerts a hazardous influence. However, changes in the common bile duct (CBD) remain obscure due to a lack of suitable experimental models. Using cats, we have developed an experimental model of PBM without bile-duct dilatation that allows the pure effects of PBM to be studied. Histologic and cellular kinetic changes in the CBD were analyzed in 6 controls and 9 experimental animals that survived for more than 6 months. CBD sections were stained with hematoxylin and eosin and a monoclonal antibody to the proliferating cell nuclear antigen (PCNA). Invaginations of the bile-duct epithelium or parietal sacculi increased, and peribiliary glands were well-developed. PCNA-positive cells significantly increased in the CBD, especially in the parietal sacculi and glands. It is concluded that PBM increases the cell cycle in CBD epithelium and subsequently developed peribiliary glands. These developed glands may be associated with the formation of protein plugs, often seen in patients with PBM.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003830050007
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The initial fixation of the press-fit acetabular shell – clinical observation and experimental study (2000)
    Springer
    Archives of orthopaedic and trauma surgery 120 (2000), S. 323-325 
    Details
    ISSN: 1434-3916
    Keywords: Key words Total hip arthroplasty ; Initial fixation ; Acetabular components ; Biomechanical study ; Torque values
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The initial solid fixation of an uncemented acetabular component affects the amount of bone ingrowth. We had several problems with broken screws in cases of acetabular revision. In recent years, the development of uncemented components without screws has attempted to improve these problems. We started to use “press-fit”-type acetabular shells in November 1996. Our thirty cases undergoing 2 mm under-reaming show good initial stability. The aim of our biomechanical study was to assess the most suitable degree of under-reaming of the bony acetabulum for the implantation of an uncemented hemispherical porous coated component.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004020050473
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    The relationship between postoperative results and bone dynamics in RA patients who underwent cementless Ortholoc II TKA: histomorphometric study (2000)
    Springer
    Modern rheumatology 10 (2000), S. 88-94 
    Details
    ISSN: 1439-7609
    Keywords: Key words Rheumatoid arthritis ; Osteoporosis ; Histomorphometric study ; Total knee arthroplasty ; Radiolucent line
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We previously reported a histomorphometric study of iliac bone obtained at the time of cementless total knee arthroplasty (TKA) in patients with rheumatoid arthritis (RA). In this paper, we further extended our analysis to investigate the postoperative results and radiographs after TKA in association with bone metabolism. All the patients were female, ranging in age from 38 to 68 years (mean, 56.8 years). Histomorphometric results demonstrated that bone volume and trabecular thickness were decreased, whereas bone absorption and bone formation rate (BFR) were increased. The bone in patients with mutilating disease (MUD) showed remarkably increased bone turnover and osteoporosis compared with those of the more erosive subset (MES) patients. Sixteen out of the 20 patients were alive at the time of follow-up (follow-up period between 5 years 10 months and 8 years 11 months). Among them, 10 patients could be further examined. Radiolucent lines (RLL) were assessed by the modified Knee Society evaluation (scoring) system. The number of RLL (N-RLL) were correlated with BFR in morphometric examination. In addition, the weight-bearing zones in the N-RLL were more significantly correlated with BFR. The Japanese Orthopedic Association (JOA) score and pain score negatively correlated with eroded bone surface. The present study indicated that bone dynamics, rather than the bone volume at the time of TKA, were involved in the presence of RLL and in pain after surgery for TKA.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101650050005
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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