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ABSTRACT
Peripheral venous cannulation is indispensable in the practice of modern medicine but it is not free of complications and not easy to identify the veins, so it takes time to do cannulation. A randomized control trial was done and 60 patients were selected by convenience sampling technique and randomized into two groups experimental (n=30) and control (n=30) by computer generated code method. The study findings revealed that the post intervention mean rank of visibility and palpability score of vein in experimental group was 38.75 which was significantly higher than mean rank of control group i.e. 22.25 (U=202.50, p=0.001***). The post intervention mean pain score was lower in experimental group than control group (3.63±2.04 versus 6.10±2.09, t=4.62, p=0.001***) respectively. Moreover the number of pricks were significantly reduced in experimental group than control group (χ²=11.46, p=0.003**). Significant reduction in duration of whole procedure was also seen in experimental group than control group (Mean=133.00 versus 300.13 seconds, t=4.89, p=0.001***) respectively. Moist heat therapy is effective in improving visibility and Palpability score of veins, reducing the pain intensity, number of pricks and duration of whole procedure.