Comparison of Different Techniques on First Attempt Success in Difficult Vascular Access Patients

The aim of this study is to investigate whether there is any difference between the use of standard techniques, ultrasonography and infra-red light for the success of the first attempt in difficult peripheral vascular access patients. Patients who have difficult vascular access history ( often need 2 or more attempt to access peripheral intravenous catheter), who do not have palpable or visible vein after tourniquet, and who have the hard anticipation according to operator ( easy-moderate-hard) are included to study. The primary objective is planned as the determination of the success rate in the first attempt. Secondary aims of the study were determined as: total procedure time,total number of attempts, and need for rescue procedure