A administração de insulina geralmente é realizada com seringa e agulha. Porém, a injeção é freqüentemente considerada dolorosa e traumática, causando problemas psicossociais em muitos pacientes com diabetes. Reconhece-se que as canetas de
ABSTRACTTraditionally, insulin has been injected using a syringe and a needle. However, injections are frequently considered painful and traumatic, causing psychological/social problems in many patients with diabetes. Insulin injection pens have been found to be more convenient, cause less pain and improve patients' quality of life. We studied the acceptance and functionality of a new reusable insulin pen, Humapen ® , in 94 type 1 and type 2 diabetic patients. The patients used insulin for a median period of 7,8 years with 2.7+3.0 injections per day. 42% of them were in previous use of other pens, and the remaining was using syringes. The patients used Humapen ® for 8 weeks, maintaining their previous insulin regimen. All patients completed the study. The results with previous users of syringes or pens were sim-
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