Comparing vapocoolant spray versus placebo spray in adults undergoing venipuncture

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The aims of this study, using patient and health care provider questionnaires, were to answer the following questions: (1) Does vapocoolant spray decrease venipuncture pain? (2) Would patients be satisfied with and use a vapocoolant spray in the future? (3) Would providers be satisfied with and use a vapocoolant spray in the future?” Barbour et al (2017).

Abstract:

Painful medical procedures are common. Topical anesthetics are easily applied, rapid onset, inexpensive, and avoid injection pain and needlestick injury. The aims of this study, using patient and health care provider questionnaires, were to answer the following questions: (1) Does vapocoolant spray decrease venipuncture pain? (2) Would patients be satisfied with and use a vapocoolant spray in the future? (3) Would providers be satisfied with and use a vapocoolant spray in the future? Adults (18-80 years) in a hospital emergency department (ED) were randomly assigned to sterile water placebo spray (S) (N = 50) or vapocoolant spray (V) (N = 50) before venipuncture. Questionnaires were completed by patients undergoing venipuncture (N = 100) and the health care providers (N = 100) who performed the venipuncture (total questionnaires = 200) as part of a prospective, double-blind, randomized controlled trial comparing the efficacy and safety of vapocoolant spray compared with placebo spray in patients undergoing venipuncture in the ED.

Patient and venipuncture variables were not significantly different for the two groups (S vs. V). Responses to the questionnaires were significantly different for the S versus V groups for both the patients and the health care providers. Patient questionnaires: Did you have less pain with spray? S 14%, V 76% (p < .001). Compared with previous blood draws, the spray was much more painful/more painful: S 10%, V 6%; same: S 76%, V 16%; less painful/much less painful: S 14%, V 78% (p < .001). How satisfied were you with the spray? Satisfied/very satisfied: S 20%, V 74% (p < .001). Would you use this spray in future? Yes S 20%, V 80% (p < .001). Provider results: The patient had less pain with the use of the spray: S 14%, V 78% (p < .001). How satisfied were you with the use of the spray? Satisfied/very satisfied: S 12%, V 82% (p < .001). Would you use this spray in the future? Yes S 24%, V 84% (p < .001). The use of a vapocoolant spray in adult ED patients undergoing venipuncture significantly decreased venipuncture pain, was associated with high patient and provider satisfaction, and both patients and providers would use a vapocoolant spray in the future for venipuncture and other painful procedures.

Reference:

Barbour, T., O’Keefe, S. and Mace, S.E. (2017) Patient and Health Care Provider Responses from a Prospective, Double-Blind, Randomized Controlled Trial Comparing Vapocoolant Spray versus Placebo Spray in Adults Undergoing Venipuncture in the Emergency Department. Pain Management Nursing. November 16th. [epub ahead of print].

doi: 10.1016/j.pmn.2017.09.006.

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