Comparison of mother's therapeutic touch and voice stimulus in reduce pain in premature infants undergoing invasive procedures.Invasive procedures commonly cause recurring pain in preterm infants.  Noninvasive pain management is an essential part of nursing intervention in the Neonatal Intensive Care Unit (NICU).  The study's aim is to identify the impact of touch therapy on pain in premature infants undergoing invasive treatments.  The premature infants were classified into four groups:  i) Mother's touch Therapy (MTT),  ii) Mother's Voice Stimulus (MVS),  iii) a combination of MTT and MVS, and  iv) routine care.  The observed infants' pain scores were determined through a multiple regression model using the Generalized Estimating Equation (GEE) method.  The GEE test showed that the combination of touch and sound therapy significantly reduced pain in premature infants undergoing invasive measures (p<0.05).  A combined application of MTT and MVS is the most effective in reducing pain scores in infants undergoing invasive procedures and thus, can used safely as part of nursing intervention in the NICU.
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