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:: Volume 13, Issue 1 (Quaterly 2009) ::
Feyz 2009, 13(1): 25-30 Back to browse issues page
Comparing hematology laboratory values with two blood sampling methods: vienpuncture versus saline lock
Hamid Reza Kohestani *, Korosh Rezaie, Soleiman Zand, Nayyere Baghchagi
, Hamidnbkb@Yahoo.com
Abstract:   (6032 Views)

Background : Many of patients including patients with leukemia, GI bleeding and trauma require repeated blood samples for hematology of laboratory investigations. These vienpunctures are painful to the patient and frustrating for hospital staff when vienpuncture sites are difficult to locate. The purpose of this study was to compare the hematology values of blood samples obtained through saline lock devices with blood specimens obtained through standard veinpuncture.

Materials and Methods: This is a case-control study in which samples of 63 cardiac patients were evaluated. Blood samples were obtained through saline lock catheters and direct vienpuncture. Each participant served as his or her own control. Vienpuncture samples were labeled as the control group and the peripheral venous catheter samples as the case group. In case group before sampling 0.5 ml of withdrawn blood was discarded. Each of the paired samples was analyzed for WBC, RBC, hematocrit, homogolin and PLT

Results: Mean WBC, RBC, hematocrit, hemoglobin PLT were 6372mm3, 4411651mm3, 13/71gr/dl, 40/96% and 187000mm3, respectively in case group and 6240 mm3, 4545397mm3, 13/91gr/dl, 41/03% and 182000 mm3 in control group. No statistical significant differences between hematocrit, hemoglobin, WBC, RBC and PLT values were seen in the blood samples drawn by vienpuncture and saline lock methods.

Conclusions: It is recommended that saline lock catheter (despite intermittent infusion fluids and medications in catheter) can be used for patients having a long hospital stay and requiring repeated blood samples for hematology laboratory investigations. 

Keywords: Blood sampling, Haematologic tests, Vein catether, Vienpuncture
Full-Text [PDF 181 kb]   (1873 Downloads)    
Type of Study: Research | Subject: General
Received: 2009/06/17 | Published: 2009/04/15
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Kohestani H R, Rezaie K, Zand S, Baghchagi N. Comparing hematology laboratory values with two blood sampling methods: vienpuncture versus saline lock. Feyz. 2009; 13 (1) :25-30
URL: http://feyz.kaums.ac.ir/article-1-709-en.html

Volume 13, Issue 1 (Quaterly 2009) Back to browse issues page
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