A survey of the results of coagulation studies of blood samples obtained from peripheral Saline lock and Heparin lock catheter and comparing it with direct blood sample
Background and Objective: Healthcare staffs want to use an accurate method for taking blood sample. To prevent frequent venipunctures in patients who require a routine blood sampling for controlling PT and PTT, 2 methods of Saline lock catheter flushing and Heparin lock catheter flushing were compar...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN FA |
| Publicado: |
Babol University of Medical Sciences
2004
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/0d51db5dd150407ca7295c377b281a4e |
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| Sumario: | Background and Objective: Healthcare staffs want to use an accurate method for taking blood sample. To prevent frequent venipunctures in patients who require a routine blood sampling for controlling PT and PTT, 2 methods of Saline lock catheter flushing and Heparin lock catheter flushing were compared to each other. Methods: This study was performed on 60 patients. They were divided into 2 equal groups. Vein catheter for 1 group was flushed by heparinized Saline and for the other group was flushed by saline. 2 blood samples were obtained, one from vein by needle and the other from catheter after 2 ml blood aspiration. PT and PTT tests were performed by coagulometer. Data were analyzed and compared by T-test and paired T-test. Findings: It was not seen a significant difference for PT in 2 methods of Saline lock and Heparin lock with direct method. There was a significant difference for PTT between Heparin lock and direct method (P=0.000) and also between Heparin lock and Saline lock (P=0.006). Conclusion: According to the results, vein Saline lock catheter in comparison to heparinized catheter is a reliable and proper method for coagulation studies. With regard to advantages of normal saline in comparison to heparin, it is suggested that saline to be used for flushing peripheral cannulas. |
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