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background: long-term tunneled catheters are used for the hemodialysis or chemotherapy in many patients. proper placement of the catheter tip could reduce early and late catheter related complications. aim of the present study was to evaluate a new formula for proper placement of tunneled hemodialysis or infusion port device by using an external anatomic landmark. materials and methods: a total...
background: obesity has been associated with several co ‑ morbidities such as diabetes and increased mortality. in general, the use of medication promotes only a modest weight loss in the range of 2 to 10 kg, usually most effective during the first 6 months of therapy; however, studies have shown positive effects on other risk factors such as blood pressure and serum glucose levels, but there...
1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...
There are many avenues to studying or recommending economic policy. Most common in public debates is an approach, where someone offers some amazingly precise policy conclusion (‘‘the age of mandatory retirement should be 67’’) based on an equally amazingly vague or secondary policy objective (‘‘financial viability of the pension system in the long run’’). Similar examples abound in monetary pol...
BACKGROUND Prior evidence suggests that longer duration of residence in the southeastern United States is associated with higher prevalence of diabetes and hypertension. We postulated that a similar association would exist for chronic kidney disease (CKD). METHODS In a national population-based cohort study that enrolled 30,239 men and women ≥ 45 years old (42% black/58% white; 56% residing i...
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