Although the risk for fracture associated with long-term levothyroxine is low, iatrogenic hyperthyroidism should be avoided. TSH should be monitored closely according to published guidelines, particularly in patients at risk for fracture.lthough the risk for fracture associated with long-term levothyroxine is low, iatrogenic hyperthyroidism should be avoided. TSH should be monitored closely according to published guidelines, particularly in patients at risk for fracture.
For other uses, see Regan (disambiguation). Regan, and its cognates O'Regan, O Regan, Reagan, O'Reagan, is an Anglicized form of the Irish surname Ã³ RiagÃ¡in or Ã³ RÃ­ogÃ¡in, (from RiagÃ¡n) derived from the Irish personal name RiagÃ¡n, which is of uncertain origin but may come from riagach, meaning angry or impulsive. It is also a unisex given name.
Save Name. Last name origins & meanings: 1  Northern English and Scottish: habitational name from either of two places in Northumberland or from one in West Yorkshire, all of which are so named from Old English fenn âmarshâ, âfenâ + wÄ«c âoutlying dairy farmâ.ave Name. Last name origins & meanings: 1  Northern English and Scottish: habitational name from either of two places in Northumberland or from one in West Yorkshire, all of which are so named from Old English fenn âmarshâ, âfenâ + wÄ«c âoutlying dairy farmâ.