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"Therefore, a combination of ear muffs and eye shield is recommended as a better pain reliever when performing venous blood sampling in premature infants" Shykhveisi et al (2023).
Reducing pain during blood sampling in neonates

Abstract:

Background: Today, due to the side effects of drugs, there is a greater desire to use non-pharmacological interventions to relieve pain caused by painful procedures. Using non-pharmacological interventions in combination is more effective than using them alone in relieving the pain of infants. Reducing sensory and environmental stimuli such as visual and auditory stimuli is one of the non-pharmacological methods to relieve pain. The aim of this study was to investigate the effect of using eye shield and ear muffs on pain intensity during venous blood sampling of premature infants.

Methods: In this clinical trial study, 148 premature neonates admitted to the Neonatal Intensive Care Unit of Rouhani and Children Hospitals in Babol were randomly assigned to four groups of 37. Fifteen minutes before intravenous blood sampling until 15 min later, in the first group, eye shield; in the second group, ear muffs, and in the third group, eye shield plus ear muffs were used. In the fourth group (control), blood sampling was performed routinely. NIPS pain scale and demographic questionnaire were used to collect the data.

Results: The results showed that during the venous blood sampling was a significant difference between the mean pain intensity of neonatal in the eye shield plus ear muffs group (3.14 ± 0.71), the ear muffs group (4.43 ± 1.21), the eye shield group (5.41 ± 1.04).) and the control group (5.94 ± 0.84) (P = 0.001). Moreover, after the venous blood sampling, there was a significant difference between the mean neonatal pain intensity in the eye shield plus ear muffs group (1.19 ± 0.39), the ear muffs group (1.43 ± 0.50), the eye shield group (1.33 ± 0.37) and the control group (1.89 ± 0.90) (P = 0.001).

Conclusions: In this study, the pain severity during and after venous blood sampling in the ear muffs plus eye shield was lower than in other groups. Therefore, a combination of ear muffs and eye shield is recommended as a better pain reliever when performing venous blood sampling in premature infants.

Reference:

Shykhveisi F, Jafarian Amiri R, Zabihi A, Haghshenas Mojaveri M, Arzani A, Chehrazi M, Chari ZV. Effect of eye shield and ear muffs on pain intensity during venous blood sampling in premature infants: a clinical trial study. BMC Pediatr. 2023 Apr 6;23(1):161. doi: 10.1186/s12887-023-03978-3. PMID: 37024882; PMCID: PMC10077640.