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  • 1
    Electronic Resource
    Electronic Resource
    Pediatric laparoscopic splenectomy using the lateral approach (1996)
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 859-861 
    Details
    ISSN: 1432-2218
    Keywords: Spleen ; Splenectomy ; Laparoscopy ; Pediatric ; Idiopathic thrombocytopenic purpura ; Spherocytosis ; Elliptocytosis ; Hodgkin's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Laparoscopic splenectomy in children has been shown to be safe, to reduce postoperative pain and hospital stay, and to accelerate return to full activities. We describe our experience with a four-port “lateral” approach in 18 patients. Patients were placed in the lateral decubitus position and the table was flexed to separate the left subcostal margin and iliac crest. The camera port was inserted at the umbilicus and additional ports were placed in the epigastrium and left lower quadrant. After mobilization of the splenic flexure a port was inserted in the left flank below the 12th rib for elevation of the spleen. A 30° laparoscope was used and the splenic vessels were controlled with an endo-GIA and/or clips. The spleens were placed in a bag, morcellated, and extracted through a port site. Eight females and 10 males with a median age of 12.5 years (5–17 years) and weight of 55.5 kg (17–124 kg) underwent splenectomy of idiopathic thrombocytopenia purpora (10), spherocytosis (6), elliptocytosis (1), and Hodgkin's disease (1). The median operating time was 160 min (90–300 min) and median blood loss was 105 ml (5–350 ml). Accessory spleens were removed in four cases. Three patients required extensions of a port site to remove large spleens which could not be placed in a bag. The sole complication was a transient pancreatitis with associated pleural effusion. The median postoperative hospital stay was 2 days (1–11 days) and time to full activities was 8 days (3–25 days). The lateral approach affords excellent visualization of the splenic vessels, pancreas, and accessory spleens. This approach is safe and reliable and is our preferred approach for laparoscopic splenectomy in children.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00189553
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Pediatric laparoscopic splenectomy using the lateral approach (1996)
    Springer
    Surgical endoscopy and other interventional techniques 10 (1996), S. 859-861 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Spleen — Splenectomy — Laparoscopy — Pediatric — Idiopathic thrombocytopenic purpura — Spherocytosis — Elliptocytosis — Hodgkin's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Laparoscopic splenectomy in children has been shown to be safe, to reduce postoperative pain and hospital stay, and to accelerate return to full activities. We describe our experience with a four-port ``lateral'' approach in 18 patients. Patients were placed in the lateral decubitus position and the table was flexed to separate the left subcostal margin and iliac crest. The camera port was inserted at the umbilicus and additional ports were placed in the epigastrium and left lower quadrant. After mobilization of the splenic flexure a port was inserted in the left flank below the 12th rib for elevation of the spleen. A 30° laparoscope was used and the splenic vessels were controlled with an endo-GIA and/or clips. The spleens were placed in a bag, morcellated, and extracted through a port site. Eight females and 10 males with a median age of 12.5 years (5–17 years) and weight of 55.5 kg (17–124 kg) underwent splenectomy of idiopathic thrombocytopenia purpora (10), spherocytosis (6), elliptocytosis (1), and Hodgkin's disease (1). The median operating time was 160 min (90–300 min) and median blood loss was 105 ml (5–350 ml). Accessory spleens were removed in four cases. Three patients required extensions of a port site to remove large spleens which could not be placed in a bag. The sole complication was a transient pancreatitis with associated pleural effusion. The median postoperative hospital stay was 2 days (1–11 days) and time to full activities was 8 days (3–25 days). The lateral approach affords excellent visualization of the splenic vessels, pancreas, and accessory spleens. This approach is safe and reliable and is our preferred approach for laparoscopic splenectomy in children.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900180
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Testing the success of analytical image correction routines: Surface images (1993)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 20 (1993), S. 583-588 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Multispectral techniques in Auger microscopy involve the acquisition of data as several spatially registered images or signals from the Auger, specimen absorption current, characteristic x-ray, backscattered and secondary electron signals. Each signal contains information from different interactions and volumes within the sample. Various combinations of these signals can be used along with simple physical models to remove those contrast variations in Auger images that are not due to compositional variations of the sample within the Auger escape depth. Such contrast may, for example, be due to beam current fluctuations during data acquisition, substrate backscattering or topographical effects. To measure the success of these corrections, two tests have been devised: the calculation of the number of resolvable levels in the Auger image before and after correction; and the measurement of the modulus of correlation |CAR| between the corrected Auger image and the correction factor image. The tests may be used to evaluate any new image correction method. They have been applied to simulated and experimental data for a sample with varying subsurface composition. The results show that both tests are useful for evaluating the accuracy of a correction, and that measurement of |CAR| is the more sensitive test.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740200707
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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