915 resultados para great saphenous vein
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by Henry Thatcher Fowler
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Digitalisiert in Kooperation mit dem YIVO Institute for Jewish Research am Center for Jewish History, NY
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Digitalisiert in Kooperation mit dem YIVO Institute for Jewish Research am Center for Jewish History, NY
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[by Stephen John Smith, late 5th (Wellington) Regiment, secretary Samoa administration in military occupation, 1915-1918]
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An observational study was conducted in a SICU to determine the frequency of subclavian vein catheter-related infection at 72 hours, to identify the hospital cost of exchange via a guidewire and the estimated hospital cost-savings of a 72 hour vs 144 hour exchange policy.^ An overall catheter-related infection ($\geq$15 col. by Maki's technique (1977)) occurred in 3% (3/100) of the catheter tips cultured. Specific infections rates were: 9.7% (3/31) for triple lumen catheters, 0% (0/30) for Swan-Ganz catheters, 0% (0/30) for Cordes catheters, and 0% (0/9) for single lumen catheters.^ An estimated annual hospital cost-savings of $35,699.00 was identified if exchange of 72 hour policy were changed to every 144 hours.^ It was recommended that a randomized clinical trial be conducted to determine the effect of changing a subclavian vein catheter via a guidewire every 72 hours vs 144 hours. ^
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Tropical south-western Pacific temperatures are of vital importance to the Great Barrier Reef (GBR), but the role of sea surface temperatures (SSTs) in the growth of the GBR since the Last Glacial Maximum remains largely unknown. Here we present records of Sr/Ca and d18O for Last Glacial Maximum and deglacial corals that show a considerably steeper meridional SST gradient than the present day in the central GBR. We find a 1-2 °C larger temperature decrease between 17° and 20°S about 20,000 to 13,000 years ago. The result is best explained by the northward expansion of cooler subtropical waters due to a weakening of the South Pacific gyre and East Australian Current. Our findings indicate that the GBR experienced substantial meridional temperature change during the last deglaciation, and serve to explain anomalous deglacial drying of northeastern Australia. Overall, the GBR developed through significant SST change and may be more resilient than previously thought.