Summary
Background
Phlebotomy is one of the most important steps in the preanalytical phase of a clinical laboratory process. In order to decrease phlebotomy errors, this specific procedure should be taught in detail by laboratory organizations. Our study aims to practice the training program on venous blood sampling and observe the close follow-up results.
Methods
In this observational study, 127 students who started their summer internship in Antalya Education and Research Hospital were given a one-day theoretical phlebotomy training in accordance with the Venous Blood Sampling Guidelines. After the theoretical training, phlebotomy applications of 10 students who were working in the field of out-patient blood sampling were observed both with and without their knowledge. A comprehensive checklist related to phlebotomy was created by the trainers in Antalya Education and Research Hospital and the observers answered each question as yes or no. For the statistical analysis, IBM SPSS Statistics 21.0 was used.
Results
After the theoretical education, the trainees were observed but no significant difference was found between the first and the second informed observations (p = 0.125). The students were observed three times more in the following week without their knowledge. There was a statistically significant difference between the first and the third unannounced observations (p=0.001).
Conclusions
In order to perform phlebotomy correctly, apart from theoretical education, a close follow-up is necessary too.
Hemoglobin is not an guiltless bystander of the pathophysiology in a number of atherosclerotic diseases. Heme, which is released from hemoglobin or other heme proteins, triggers various pathophysiological consequence, including heme stress as well as intracellular stress. Although heme serves key functions and is tightly controlled, high levels of free heme, which may occur in various pathophysiological conditions, are may hazardous via pro-oxidant, pro-inflammatory, and cytotoxic effects. Heme oxygenases are heat shock protein enzymes that use heme as a substrate and function as an essential antioxidant adaptive response by all human cells. A major function of heme oxygenases is clearance of heme that accumulate in tissues due to erythrocyte turnover. The potentially toxic free heme is converted by heme oxygenases into carbon monoxide, iron, and biliverdin, the third of which is reduced to bilirubin. In literature the heme degradation pathway has been demonstrated to play a protective role against the development of atherosclerosis. Because growing evidence suggests that oxidative stress is involved in atherosclerosis. This review documents the roles of bilurubin in atherosclerosis and focuses on the clinical significance as a potential therapeutic target in atherosclerotic diseases, such as coronary artery disease.
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