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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 14 (1998), S. 104-110 
    ISSN: 1437-9813
    Keywords: Key words Allotransplantation ; Liver ; Situs inversus ; Biliary atresia ; Polysplenia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Situs inversus (SI) and the polysplenia syndrome (PS) occur relatively frequently in patients with biliary atresia, the largest subgroup of pediatric liver transplantation patients. We present two cases of orthotopic liver transplantation (OLT) in pediatric patients with SI. One had SI totalis, where a normal liver was placed in the left upper quadrant (LUQ) with the right lobe overlying the vertebral column. The second had PS and isolated SI of the liver, and a living-related left-lateral-segment graft was placed in the LUQ. Although multiple, often unpredictable vascular and intestinal anomalies occur frequently in association with SI, particularly in the setting of the PS, these cases, as well as several others recently reported, reveal that these anomalies can be managed successfully by a variety of technical modifications of the standard OLT technique. Likewise, concerns about the placement of a situs solitus liver in the midline or LUQ position of a SI abdomen have proved to be unfounded.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1436-6215
    Keywords: Aerobic exercise ; sweat nitrogen losses ; whole-body washdown ; regional sweat collection ; Aerobe körperliche Belastung ; Schweiss-Stickstoffverluste ; Ganzkörper-Waschverfahren ; lokale Schweiss-Sammelmethode
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Die belastungsbedingte Ausscheidung von Stickstoff über den Schweiss wurde während eines mit moderater Intensität durchgeführten 45-Minuten-Laufes auf einem Laufband bestimmt. Schweissproben wurden mittels einer lokalen Sammelmethode mit Gazen und zum Vergleich mit dem Ganzkörper-Waschverfahren entnommen. In der lokalen Methode wurde der Schweiss vom oberen und unteren Rücken, Bauch und Oberschenkel gesammelt. Während eines zweiten 45-Minuten-Laufes wurde zusätzlich das Verhältnis von Harnstoff, Ammoniak und Aminosäuren im Schweiss analysiert. Es konnte eine von der Sammelmethode unabhängige, signifikant positive Korrelation zwischen Schweissrate und Ausscheidungsrate der grössten Stickstoffraktion im Schweiss (Harnstoff) beobachtet werden. Dies lässt den Schluss zu, dass die Schweissrate einer der wesentlichen Faktoren ist, der die Stickstoffverluste im Schweiss festlegt. Die Ausscheidungsrate des Harnstoffstickstoffes betrug im zweiten Lauf etwa 140 mg·h−1, die des Ammoniakstickstoffes etwa 30 mg·h−1 und die des Aminosäurenstickstoffes rund 10 mg·h−1. Der Vergleich beider Sammelmethoden während des ersten Laufes zeigte, dass die Ausscheidungsrate des Harnstoffstickstoffes im Ganzkörper-Waschverfahren signifikant höher, die des Ammoniakstickstoffes dagegen signifikant niedriger war. Dieser Unterschied zwischen den Methoden verschwand, nachdem Harnstoff- und Ammoniakstickstoff summiert wurden, ausser für den oberen Rücken. Die Bestimmung von belastungsbedingten Stickstoffverlusten über den Schweiss mittels der lokalen Sammelmethode kann für mit moderater Intensität durchgeführten Läufe empfohlen werden.
    Notes: Summary The exercise-induced sweat nitrogen excretion was investigated during a 45-minute run at moderate intensity on a treadmill. Sweat was collected with a regional collection technique using gauze pads and compared with the whole-body wash-down (WBW) method. In the regional collection, sweat was sampled from the upper back (UB), lower back (LB), abdomen (AB), and thigh (TH). Additionally, the relation of sweat urea, ammonia, and amino acids was investigated with the regional collection method during a second 45-minute run. Independent of the sweat collection method, a significant and positive correlation was found between sweat rate and the excretion rate of the largest nitrogen fraction urea, suggesting that the sweating response to exercise might be one of the most important factors determining absolute sweat nitrogen losses. The urea nitrogen excretion was nearly 140 mg·h−1 in the second run, representing the largest nitrogen fraction. Ammonia nitrogen and amino acid-derived nitrogen rate were approximately 30 mg·h−1 and 10 mg·h−1, respectively. The comparison of the sampling methods during the first run revealed that the urea nitrogen rate was significantly higher, but the ammonia nitrogen rate significantly lower in the WBW. After summing urea and ammonia nitrogen, no significant difference between the methods was observed anymore, except for UB. It is concluded that the regional collection method using gauze pads is a valuable approach to measure exercise-induced sweat nitrogen losses during moderate running exercise.
    Type of Medium: Electronic Resource
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