Effect of the Different Concentrations of Oral Dextrose Solution Applying Together With Supportive Positions on Pain During the Heel-Stick Sampling in Premature Infants

  • STATUS
    Recruiting
  • End date
    Dec 22, 2022
  • participants needed
    128
  • sponsor
    Guzide UGUCU
Updated on 14 June 2022

Summary

Within the scope of the newborn screening (metabolic and endocrine diseases) tests (NSTs), this research aims to determine the effect of the different concentrations of oral dextrose solution applying together with supportive positions primarily on the pain scores and secondarily on the duration of crying time during the heel-stick sampling in premature infants.

Description

Background Premature infants admitted to the neonatal intensive care unit (NICU) experience pain most frequently due to heel-stick sampling, venipuncture, and peripheral IV placement. The heel-stick method for drawing capillary blood is the most common way to draw newborns' blood. It is used to collect blood for newborn screening tests, usually on the 2nd-7th days after birth. Heel-stick sampling is known to cause moderate to severe pain in premature infants. There is a lack of high-quality evidence in the relevant studies determining effective interventions in the management of pain caused by heel-stick sampling in premature babies.

Research Hypotheses H01: There is no difference in the mean N-PASS scores during the procedure between the groups.

H02: There is no difference in the mean N-PASS scores after the procedure between the groups.

H03: There is no difference in the mean durations of crying after the procedure between the groups.

Design and Settings:This parallel-group randomized trial will be conducted in a Level 4a NICU at a university hospital. For this experimental research, 128 premature infants who will be screened with the routine NSTs are enrolled and randomized into four groups one control group with supportive positions+sterile water+non-nutritive sucking (n=32), one group with supportive positions+10% oral dextrose+non-nutritive sucking (n=32), supportive positions+20% oral dextrose+non-nutritive sucking (n=32), supportive positions+30% oral dextrose+non-nutritive sucking (n=32). The hospital provides education in the field of neonatal nursing (certification) and neonatology (sub-specialty) as a training hospital. The 25-bed unit is one of the tertiary care referral centers in the East Mediterranean Region of Turkey. The admission rate is nearly 214 infants per year on average. Generally, infants come from peripheral (40%), and central (40%) districts, or another city (20%). The unit design is a traditional open-bay type. Heel-stick sampling in premature infants is carried out on the 2nd-10th days after birth within the scope of the NSTs. The Turkish version of the Neonatal Pain Agitation and Sedation Scale (N-PASS) is used as a pain assessment tool in nursing forms. Pain scores of premature infants are evaluated and recorded at each shift change and interventional procedure.

Sample Size: A priori power analysis was used to estimate the sample size based on data from "Brovedani, P., Montico, M., Shardlow, A., Strajn, T., & Demarini, S. (2007). Suckling and sugar for pain reduction in babies. The Lancet, 369(9571), 1429-1430." A priori power analysis was performed based on the effect size (d = 0.929, large effect) of the difference in pain scores between the groups (during the procedure) determined in this study. The minimum sample size was calculated as 104 premature infants, with 26 infants per group, for a two-tailed hypothesis, an effect size of d = 0.929, an allocation ratio of 1:1, type I error of 0.05, and a power of 90%. Considering that there may be drop-outs during the process, the number of groups was increased by 20%. The sample size of this study was determined as 128 premature infants (32 premature infants in each intervention group).

Data Collection Tools Premature Infant's Information and Observation Form: This form was developed by the researchers after the literature review. It contains variables including gestational age at birth, postnatal age, birth weight, sex, procedural pain experience within the 24 hours prior to the intervention, the number of punctures performed during the intervention, duration of the intervention, duration of crying, the occurrence of adverse events during the intervention, heart rate, respiratory rate, saturation, and N-PASS score of premature infants before, during, and after the intervention.

Neonatal Pain Agitation and Sedation Scale - NPASS: Developed by Hummel et al. (2007, 2010), the Turkish validity-reliability study of this scale was conducted by Açıkgöz et al. (2017) and it is used for the quantitative assessment of acute, prolonged, chronic and postoperative pain in the first 100 days of life starting from the 23rd week of gestational age. The N-PASS is comprised of two measurements, each of which uses five criteria: crying/irritability, behavioral state, facial expression, extremity tone and vital signs. The pain score is assessed through observation without intervention, with a score range of 0 to 10, with 0 to 2 points available for each criterion. Points are added to the preterm infant's pain score (<28 weeks (3 points), 28-31 weeks (2 points), and 32-35 weeks (1 point)) to approximate the normal response of a full-term infant. Higher values represent higher pain.

Intervention: For each group, supportive positions are the facilitated flexion, nesting, and midline positions. Soft blankets and pillows will be used for positioning and nesting. The premature infants will be safely swaddled with a blanket supporting the natural fetal position that facilitated flexion and midline position. The enrolled premature infants will be administered 1ml of the oral solution a first time 2 minutes before the procedure. After 2 minutes, heel-stick sampling (with an auto lancet for premature infants) will be performed immediately after administering 1 ml of oral solution a second time. The infant's face and the monitor screen will be recorded in real-time using two independent video cameras during the entire procedure (starting 3 minutes prior to heel-stick sampling and continuing until the infant's crying is over). The N-PASS will be assessed at 30th seconds, 1st minute, and 2nd minute after the procedure. After the end of the procedure, the recordings will be evaluated by two nurses, independent from each other. Oxygen saturation, heart rate and crying time will be determined from video recordings.

Ethical Considerations: The study was granted approval by the clinical research ethics committee and written institutional permission by the hospital. Parents will be informed about the procedure and written consent will be obtained.

Details
Condition Pain
Treatment Placebo, 10% Oral Dextrose Solution, 20% Oral Dextrose Solution, 30% Oral Dextrose Solution
Clinical Study IdentifierNCT05177263
SponsorGuzide UGUCU
Last Modified on14 June 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Gestational age (GA) at birth 33+0 - 37+0 weeks
Admitted to NICU
Planned the heel-stick sampling within the scope of the NSTs
Parents are able to read, write and speak Turkish

Exclusion Criteria

With a postnatal age of 8 days or more
Has contraindications for the administration of oral glucose (genetic, endocrine, metabolic diseases or neurological problems etc.)
Has major congenital anomalies
Has intubated or receiving a nCPAP
Has received analgesics or sedatives for less than 24 hours before the procedure
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