Treatment Of Neonatal Pain Research Articles

Improving pain management in a neonatal intensive care unit with single-family room-A quality improvement project.

Preterm birth is a risk factor for early experience of pain. Despite advances in neonatal care, evidence‐based knowledge of the importance of adequate pain management and strong international guidelines for assessment and treatment of neonatal pain, only 10% of sick term and preterm infants were assessed for pain and stress on a daily basis. The aim of this quality improvement (QI) project is evaluation of implemented guidelines for pain assessment and management, and increased parental involvement in a Norwegian single‐family room NICU. Method: The different steps of the project entailed translation of the English version of COMFORTneo, development and implementation of guidelines with flowcharts for pain management, and pain assessment certification of the interprofessional staff. Part two of the project is supervision of the interprofessional staff in parental involvement in stress‐ and painful procedures. Our study showed that one year after implementation, 88.8% of the COMFORTneo assessments were performed according to the pain management guidelines. The staff used the flowcharts to assess, treat and reassess pain and stress. There was a high interrater reliability with linearly weighted Cohen's kappa values ranging from 0.81 to 0.95, with a median of 0.90. In addition, our study showed increased parental involvement in procedures, from 50.3% before to 82.3% after the quality improvement project. The success of this quality improvement project is explained by systematic use of flowcharts and implemented guidelines for pain management, interprofessional collaboration, and cultural change agents. Theoretical lectures and practical bedside supervision to interprofessional staff increased parental involvement in stress‐ and painful procedures.

Practical approaches to sedation and analgesia in the newborn.

The prevention, assessment, and treatment of neonatal pain and agitation continues to challenge clinicians and researchers. Substantial progress has been made in the past three decades, but numerous outstanding questions remain. In this setting, clinicians must establish safe and compassionate standardized practices that consider available efficacy data, long-term outcomes, and research gaps. Novel approaches with limited data must be carefully considered against historic standards of care with robust data suggesting limited benefit and clear adverse effects. This review summarizes available evidence while suggesting practical clinical approaches to pain assessment and avoidance, procedural analgesia, postoperative analgesia, sedation during mechanical ventilation and therapeutic hypothermia, and the issues of tolerance and withdrawal. Further research in all areas represents an urgent priority for optimal neonatal care. In the meantime, synthesis of available data offers clinicians challenging choices as they balance benefit and risk in vulnerable critically ill neonates.

Qualitative review on N-methyl-D-aspartate receptor expression in rat spinal cord during the postnatal development: Implications for central sensitization and pain.

The N‐methyl‐D‐aspartate receptor (NMDAR) is an important mediator of central sensitization and nociception in the rat spinal dorsal horn. The NMDAR subunits and splice variants determine the properties of the receptor. Understanding the expression of NMDAR subunits in spinal cord during the neonatal development is important as it may have consequences for the process of central sensitization and nociception in later life. In this review, a systematic literature search was conducted using three databases: Medline, Embase, and PubMed. A quality assessment was performed on predetermined entities of bias. Thirteen articles were identified to be relevant. The results show that NMDAR subunits and splice variants are dynamically expressed during postnatal development in the spinal dorsal horn. During the first 2 weeks, the expression of less excitable GluN2A subunit and more sensitive GluN2B subunit increases while the expression of high excitable GluN2C subunit decreases. During the 2nd week of postnatal development GluN1 subunits with exon 21 spliced in but exon 22 spliced out are predominantly expressed, increasing phosphorylation, and transport to the membrane. The data suggest that in rats, the nociceptive system is most susceptible to central sensitization processes during the first two postnatal weeks. This may have important consequences for nociception and pain responses in later life. From this, we conclude that targeted therapy directed toward specific NMDAR subunits is a promising candidate for mechanism‐based treatment of pain in neonates.

Paracetamol (acetaminophen) for prevention or treatment of pain in newborns.

Newborn infants have the ability to experience pain. Hospitalised infants are exposed to numerous painful procedures. Healthy newborns are exposed to pain if the birth process consists of assisted vaginal birth by vacuum extraction or by forceps and during blood sampling for newborn screening tests. To determine the efficacy and safety of paracetamol for the prevention or treatment of procedural/postoperative pain or pain associated with clinical conditions in neonates. To review the effects of various doses and routes of administration (enteral, intravenous or rectal) of paracetamol for the prevention or treatment of pain in neonates. We used the standard search strategy of the Cochrane Neonatal Review group to search the Cochrane Central Register of Controlled Trials (CENTRAL 2016, Issue 4), MEDLINE via PubMed (1966 to 9 May 2016), Embase (1980 to 9 May 2016), and CINAHL (1982 to 9 May 2016). We searched clinical trials' databases, Google Scholar, conference proceedings, and the reference lists of retrieved articles. We included randomised and quasi-randomised controlled trials of paracetamol for the prevention/treatment of pain in neonates (≤ 28 days of age). Two review authors independently extracted data from the articles using pre-designed forms. We used this form to decide trial inclusion/exclusion, to extract data from eligible trials and to request additional published information from authors of the original reports. We entered and cross-checked data using RevMan 5 software. When noted, we resolved differences by mutual discussion and consensus. We used the GRADE approach to assess the quality of evidence. We included nine trials with low risk of bias, which assessed paracetamol for the treatment of pain in 728 infants. Painful procedures studied included heel lance, assisted vaginal birth, eye examination for retinopathy of prematurity assessment and postoperative care. Results of individual studies could not be combined in meta-analyses as the painful conditions, the use of paracetamol and comparison interventions and the outcome measures differed. Paracetamol compared with water, cherry elixir or EMLA cream (eutectic mixture of lidocaine and prilocaine) did not significantly reduce pain following heel lance. The Premature Infant Pain Profile score (PIPP) within three minutes following lancing was higher in the paracetamol group than in the oral glucose group (mean difference (MD) 2.21, 95% confidence interval (CI) 0.72 to 3.70; one study, 38 infants). Paracetamol did not reduce "modified facies scores" after assisted vaginal birth (one study, 119 infants). In another study (n = 123), the Échelle de Douleur et d'Inconfort du Nouveau-Né score at two hours of age was significantly higher in the group that received paracetamol suppositories than in the placebo suppositories group (MD 1.00, 95% CI 0.60 to 1.40). In that study, when infants were subjected to a heel lance at two to three days of age, Bernese Pain Scale for Neonates scores were higher in the paracetamol group than in the placebo group, and infants spent a longer time crying (MD 19 seconds, 95% CI 14 to 24). For eye examinations, no significant reduction in PIPP scores in the first or last 45 seconds of eye examination was reported, nor at five minutes after the eye examination. In one study (n = 81), the PIPP score was significantly higher in the paracetamol group than in the 24% sucrose group (MD 3.90, 95% CI 2.92 to 4.88). In one study (n = 114) the PIPP score during eye examination was significantly lower in the paracetamol group than in the water group (MD -2.70, 95% CI -3.55 to 1.85). For postoperative care following major surgery, the total amount of morphine (µg/kg) administered over 48 hours was significantly less among infants assigned to the paracetamol group than to the morphine group (MD -157 µg/kg, 95% CI -27 to -288). No adverse events were noted in any study. The quality of evidence according to GRADE was low. The paucity and low quality of existing data do not provide sufficient evidence to establish the role of paracetamol in reducing the effects of painful procedures in neonates. Paracetamol given after assisted vaginal birth may increase the response to later painful exposures. Paracetamol may reduce the total need for morphine following major surgery, and for this aspect of paracetamol use, further research is needed.

Health professionals’ barriers in the management, evaluation, and treatment of neonatal pain

ABSTRACT BACKGROUND AND OBJECTIVES: Despite the solid results on pain management strategies in neonatology, it is necessary to identify and explore the barriers that may hamper the attention to pain and the implementation of the scientific evidence widely disseminated in the literature in the care practice. The objective of this study was to describe the barriers encountered by the healthcare professionals of a neonatal intensive care unit regarding the management, evaluation, and treatment of newborn pain. METHODS: Descriptive, exploratory, quantitative study carried out in a maternity hospital in the city of Rio de Janeiro. Forty-two nursing technicians, 22 nurses, 20 physicians, and 2 physiotherapists participated in the study. The data was collected in an interview using a form and the data was analyzed by descriptive statistics. RESULTS: Among the barriers found it stands out the lack of training on neonatal pain, no use of scales, the absence of routine and protocols for the treatment of pain, and the need for greater safety for the evaluation and treatment of pain. It was also observed that there is a gap between knowledge and care practice in the unit. CONCLUSION: The identification of these barriers is essential to establish strategies based on knowledge-transfer to overcome the obstacles and improve the care given to newborns in the neonatal intensive care unit.

Attitudes of healthcare professionals regarding the assessment and treatment of neonatal pain

Objetivos: Describir y analizar las actitudes de los profesionales de salud con relacion a la evaluacion y el tratamiento del dolor en recien nacidos sometidos a procedimientos dolorosos en una unidad neonatal. Metodos: Estudio descriptivo, exploratorio, con analisis cuantitativo, realizado en una maternidad en la ciudad de Rio de Janeiro. Participaron 42 auxiliares/tecnicos de enfermeria, 22 enfermeras, 20 medicos y dos fisioterapeutas. Los datos se recogieron mediante un cuestionario autoaplicable referente al perfil de los profesionales de salud y las actitudes en la evaluacion y tratamiento del dolor. Resultados: La evaluacion del dolor RN se hace por parametros de comportamiento, pero sin escalas o evaluacion sistematica. La mayoria de los profesionales utiliza medidas no farmacologicas para aliviar el dolor. Conclusion: Hay diferencia entre lo prescrito y lo administrado, evidenciando una laguna entre la practica y el conocimiento existente. Las actitudes necesitan ser cambiadas y manipuladas para una mejor evidencia disponible.

Paracetamol (acetaminophen) for prevention or treatment of pain in newborns.

Newborn infants have the ability to experience pain. Hospitalised infants are exposed to numerous painful procedures. Healthy newborns are exposed to pain if the birth process consists of assisted vaginal birth by vacuum extraction or by forceps and during blood sampling for newborn screening tests. To determine the efficacy and safety of paracetamol for the prevention or treatment of procedural/postoperative pain or pain associated with clinical conditions in neonates. To review the effects of various doses and routes of administration (enteral, intravenous or rectal) of paracetamol for the prevention or treatment of pain in neonates. We used the standard search strategy of the Cochrane Neonatal Review group to search the Cochrane Central Register of Controlled Trials (CENTRAL 2016, Issue 4), MEDLINE via PubMed (1966 to 9 May 2016), Embase (1980 to 9 May 2016), and CINAHL (1982 to 9 May 2016). We searched clinical trials' databases, Google Scholar, conference proceedings, and the reference lists of retrieved articles. We included randomised and quasi-randomised controlled trials of paracetamol for the prevention/treatment of pain in neonates (≤ 28 days of age). Two review authors independently extracted data from the articles using pre-designed forms. We used this form to decide trial inclusion/exclusion, to extract data from eligible trials and to request additional published information from authors of the original reports. We entered and cross-checked data using RevMan 5 software. When noted, we resolved differences by mutual discussion and consensus. We used the GRADE approach to assess the quality of evidence. We included nine trials with low risk of bias, which assessed paracetamol for the treatment of pain in 728 infants. Painful procedures studied included heel lance, assisted vaginal birth, eye examination for retinopathy of prematurity assessment and postoperative care. Results of individual studies could not be combined in meta-analyses as the painful conditions, the use of paracetamol and comparison interventions and the outcome measures differed. Paracetamol compared with water, cherry elixir or EMLA cream (eutectic mixture of lidocaine and prilocaine) did not significantly reduce pain following heel lance. The Premature Infant Pain Profile score (PIPP) within three minutes following lancing was higher in the paracetamol group than in the oral glucose group (mean difference (MD) 2.21, 95% confidence interval (CI) 0.72 to 3.70; one study, 38 infants). Paracetamol did not reduce "modified facies scores" after assisted vaginal birth (one study, 119 infants). In another study (n = 123), the Échelle de Douleur et d'Inconfort du Nouveau-Né score at two hours of age was significantly higher in the group that received paracetamol suppositories than in the placebo suppositories group (MD 1.00, 95% CI 0.60 to 1.40). In that study, when infants were subjected to a heel lance at two to three days of age, Bernese Pain Scale for Neonates scores were higher in the paracetamol group than in the placebo group, and infants spent a longer time crying (MD 19 seconds, 95% CI 14 to 24). For eye examinations, no significant reduction in PIPP scores in the first or last 45 seconds of eye examination was reported, nor at five minutes after the eye examination. In one study (n = 81), the PIPP score was significantly higher in the paracetamol group than in the 24% sucrose group (MD 3.90, 95% CI 2.92 to 4.88). In one study (n = 114) the PIPP score during eye examination was significantly lower in the paracetamol group than in the water group (MD -2.70, 95% CI -3.55 to 1.85). For postoperative care following major surgery, the total amount of morphine (µg/kg) administered over 48 hours was significantly less among infants assigned to the paracetamol group than to the morphine group (MD -157 µg/kg, 95% CI -27 to -288). No adverse events were noted in any study. The quality of evidence according to GRADE was low. The paucity and low quality of existing data do not provide sufficient evidence to establish the role of paracetamol in reducing the effects of painful procedures in neonates. Paracetamol given after assisted vaginal birth may increase the response to later painful exposures. Paracetamol may reduce the total need for morphine following major surgery, and for this aspect of paracetamol use, further research is needed.

Contextualized pain management in newborns

Neonatal pain treatment requires personalization, and pain assessment should be contextualized to be effective. Here we summarize the available tools in neonatal analgesia, paying a special attention to highlight the personalization of antalgic behavior, both in assessment and in treatment of neonatal pain. Proceedings of the 11th International Workshop on Neonatology and Satellite Meetings · Cagliari (Italy) · October 26th-31st, 2015 · From the womb to the adultGuest Editors: Vassilios Fanos (Cagliari, Italy), Michele Mussap (Genoa, Italy), Antonio Del Vecchio (Bari, Italy), Bo Sun (Shanghai, China), Dorret I. Boomsma (Amsterdam, the Netherlands), Gavino Faa (Cagliari, Italy), Antonio Giordano (Philadelphia, USA)

Knowledge of healthcare professionals on the evaluation and treatment of neonatal pain.

to identify knowledge of healthcare professionals on the management, evaluation and treatment of pain in a neonatal unit in a municipality of Rio de Janeiro. descriptive, exploratory study with quantitative analysis. Data were analyzed using the software R. Core Team Results: of the 96 healthcare professionals who participated in the study, 42 nursing aides/technicians responded, along with 22 nurses, 20 physicians and 2 physical therapists. The results showed that 40.5% of the nursing aides/technicians, 50% of the physicians and 50% of the physical therapists confirmed that they coordinate/perform/assist in the care of babies' pain while performing procedures (lumbar puncture, chest tube insertion and central line). There was a significant difference of agreement in relation to the nursing aides/technicians and physicians. Most (69.8%) of the healthcare professionals knew of some non-pharmacological measure effective for relief of acute pain. there is a need for an educational intervention program, with participation of those involved, in the process to change professional practice.

Paracetamol (acetaminophen) for prevention or treatment of pain in newborns.

Paracetamol (acetaminophen) for prevention or treatment of pain in newborns.

Improving pain assessment in the NICU: a quality improvement project.

Pain assessment documentation was inadequate because of the use of a subjective pain assessment strategy in a tertiary level IV neonatal intensive care unit (NICU). The aim of this study was to improve consistency of pain assessment documentation through implementation of a multidimensional neonatal pain and sedation assessment tool. The study was set in a 60-bed level IV NICU within an urban children's hospital. Participants included NICU staff, including registered nurses, neonatal nurse practitioners, clinical nurse specialists, pharmacists, neonatal fellows, and neonatologists. The Plan Do Study Act method of quality improvement was used for this project. Baseline assessment included review of patient medical records 6 months before the intervention. Documentation of pain assessment on admission, routine pain assessment, reassessment of pain after an elevated pain score, discussion of pain in multidisciplinary rounds, and documentation of pain assessment were reviewed. Literature review and listserv query were conducted to identify neonatal pain tools. Survey of staff was conducted to evaluate knowledge of neonatal pain and also to determine current healthcare providers' practice as related to identification and treatment of neonatal pain. A multidimensional neonatal pain tool, the Neonatal Pain, Agitation, and Sedation Scale (N-PASS), was chosen by the staff for implementation. Six months and 2 years following education on the use of the N-PASS and implementation in the NICU, a chart review of all hospitalized patients was conducted to evaluate documentation of pain assessment on admission, routine pain assessment, reassessment of pain after an elevated pain score, discussion of pain in multidisciplinary rounds, and documentation of pain assessment in the medical progress note. Documentation of pain scores improved from 60% to 100% at 6 months and remained at 99% 2 years following implementation of the N-PASS. Pain score documentation with ongoing nursing assessment improved from 55% to greater than 90% at 6 months and 2 years following the intervention. Pain assessment documentation following intervention of an elevated pain score was 0% before implementation of the N-PASS and improved slightly to 30% 6 months and 47% 2 years following implementation. Identification and implementation of a multidimensional neonatal pain assessment tool, the N-PASS, improved documentation of pain in our unit. Although improvement in all quality improvement monitors was noted, additional work is needed in several key areas, specifically documentation of reassessment of pain following an intervention for an elevated pain score.

Pain in the neonate: focus on nonpharmacologic interventions.

The assessment and treatment of pain in the neonate, especially preterm neonates, has been a challenge in the NICU for many years. Nurses caring for these vulnerable patients are in a key position to not only recognize when the neonate is experiencing pain but to also work collaboratively with other health care providers in determining the best method to treat and help prevent pain associated with procedures and routine caregiving activities. The American Academy of Pediatrics along with parent groups has recognized the importance of pain-prevention programs in treating pain in the neonate. Nurses, by anticipating and reducing both painful procedures and bedside interruptions, along with innovative nonpharmacologic interventions, can dramatically decrease the neonate's exposure to pain and the potential for long-term effects. An overview of nonpharmacologic interventions in the treatment of neonatal pain is provided for NICU nurses to help them effectively reduce their patient's pain and discomfort.

Acupuncture in Preterm Babies during Minor Painful Procedures

To evaluate analgesic effects of acupuncture in preterm neonates during minor painful procedures. Ten preterm neonates requiring heel prick for blood gas analysis were enrolled in the study, which had a crossover design. Oxygen saturation, systolic and diastolic blood pressure, respiratory rate, heart rate, and crying duration were recorded before and after heel prick. Babies were given expressed breast milk before each procedure. Patients were randomly assigned to receive acupuncture or not, and the groups were crossed over on the following day, so that patients who had received acupuncture received only breast milk, and the previous breast milk only group received both acupuncture and breast milk. The neonatal infant pain scale (NIPS) was used for pain evaluation. Crying duration and NIPS pain scores during heel prick were lower in the neonates who had received acupuncture. Acupuncture is an effective method for the treatment of pain in neonates.

Infant Distress

Infants' inability to articulate their pain and distress and the diverse range of behavioral responses evoked by painful stimuli may partially explain the challenges associated with the treatment of pain in neonates and infants. To assist nurses in distinguishing nonspecific distress responses from specific pain responses, a concept analysis using Wilson's method was preformed. An evaluation of published, peer reviewed literature referencing distress in neonates and infants was conducted to extract meaningful information related to distress. This article examines the essential features, antecedents, and consequences of infant distress to generate an evidence-based definition that has relevance for neonatal and pediatric research and clinical practice.

Does intravenous paracetamol administration affect body temperature in neonates?

IntroductionIntravenous paracetamol (actaminophen) has recently been registered for treatment of pain in neonates but the pharmacodynamics, including effects on body temperature, have not been reported.MethodsA pooled analysis on body temperature...

Dolor en el neonato: humanización del cuidado neonatal

En la práctica cotidiana en la unidad neonatal (UN) los recién nacidos son sometidos a una serie de procedimientos e intervenciones terapéuticas que ocasionan dolor, algunos niños nacen con prematurez extrema, requieren en algunas ocasiones hasta dos meses de manejo ventilatorio y procedimientos como colocación de catéteres percutáneos, acceso vascular, succión de secreciones, además del constante retiro de cintas adhesivas que lastiman la piel, los neonatos están expuestos hasta a 3 procedimientos dolorosos diariamente. El manejo de estos niños esta básicamente encaminado al tratamiento de las patologías de origen; sin embargo, el cuidado debe ser holístico, satisfaciendo sus necesidades en todos sus aspectos. Hoy en día se sabe por indicadores comportamentales y fisiológicos, que el dolor está presente en ellos, debe prevenirse y tratarse para evitar sufrimiento y efectos nocivos resultantes de cambios fisiológicos, hormonales y biológicos, que pueden reprogramar el desarrollo del sistema nervioso central debido a la percepción nociceptiva de los neonatos. La valoración y tratamiento del dolor neonatal debe ser multidisciplinario, a cargo de médicos, enfermeras y familiares, por lo que además del tratamiento farmacológico, es de gran utilidad el uso de técnicas no farmacológicas como por ejemplo el contacto madre-hijo, hablarle o arrullarlo.

Neonatal pain: A comparison of the beliefs and practices of junior doctors and current best evidence

To obtain information on the practices and beliefs of junior doctors regarding neonatal pain and to compare this with best evidence. A survey was distributed to junior doctors in five tertiary neonatal intensive care units in Sydney. Questions investigated the doctors' knowledge and treatment of pain in neonates, specifically regarding the perception and effects of pain, pain assessment tools, and the safety and efficacy of treatments for both procedural and long-term pain. The survey was completed by 33 junior doctors (77% response rate). Respondents generally had adequate knowledge about the effects of pain in neonates; however, a low proportion of respondents acknowledged the difference in long-term effects between neonates and older children. Less experienced doctors were especially unaware of this. Pain assessment tools were not perceived to be reliable, valid or routinely used, especially by less experienced doctors. Respondents were appropriately unsupportive of the use of topical anaesthetic agents. Participants acknowledged the efficacy breastfeeding and oral sucrose during short-term procedures but skin-to-skin contact and massage were less recognised as useful. Mixed opinions were noted on the benefits and risks of use of opioid analgesics, morphine infusions and midazolam but most agreed that sedation does not necessarily provide adequate pain relief. Disturbingly, doctors who were aware of the Royal Australasian College of Physicians Guidelines were more likely to agree with the routine use of midazolam in neonates. Increased educational programmes should be developed to improve the knowledge of junior doctors regarding neonatal pain.

Neonatal pain treatment: ethical to be effective

Neonatal pain treatment: ethical to be effective

Evaluation and Development of Potentially Better Practices to Improve Pain Management of Neonates

Despite increased knowledge, improved options, and regulatory mandates, pain management of neonates remains inadequate, promoted by the ineffective translation of research data into clinical practice. The Neonatal Intensive Care Quality Improvement Collaborative 2002 was created to provide participating NICUs the tools necessary to translate research, related to prevention and treatment of neonatal pain, into practice. The objective for this study was to use proven quality improvement methods to develop a process to improve neonatal pain management collaboratively. Twelve members of the Neonatal Intensive Care Quality Improvement Collaborative 2002 formed an exploratory group to improve neonatal pain management. The exploratory group established group and site-specific goals and outcome measures for this project. Group members crafted a list of potentially better practices on the basis of the available literature, encouraged implementation of the potentially better practices at individual sites, developed a database for sharing information, and measured baseline outcomes. The goal "improve the assessment and management of infants experiencing pain in the NICU" was established. In addition, each site within the group identified local goals for improvement in neonatal pain management. Data from 7 categories of neonates (N = 277) were collected within 48 hours of NICU admission to establish baseline data for clinical practices. Ten potentially better practices were developed for prioritized pain conditions, and 61 potentially better practices were newly implemented at the 12 participating sites. Various methods were used for pain assessment at the participating centers. At baseline, heel sticks were used more frequently than peripheral intravenous insertions or venipunctures, with substantial variability in the number of avoidable procedures between centers. Pain was assessed in only 17% of procedures, and analgesic interventions were performed in 19% of the procedures at baseline. Collaborative use of quality improvement methods resulted in the creation of self-directed, efficient, and effective processes to improve neonatal pain management. Group establishment of potentially better practices, collective and site-specific goals, and extensive baseline data resulted in accelerated implementation of clinical practices that would not likely occur outside a collaborative setting.

Relationship Between Significant Perinatal Events and Migraine Severity

Nociceptive neuronal circuits are formed during embryonic and postnatal times, so insult during these periods may result in long-term alterations to pain circuitry via synaptic plasticity. One possible long-term result of plasticity is central hyperexcitability, which is suspected to be involved in chronic headache. This study aimed to establish whether there is an association between early pain experiences and the experience of migraines in later childhood. In a retrospective study, we examined the charts of 280 pediatric migraineurs at the Division of Pediatric Neurology at Robert Wood Johnson Medical School and documented their perinatal history and migraine characteristics. Analysis revealed that there was a significant relationship between patients who had been in the NICU at birth and the type of pain medication prescribed when compared with patients who had not been in the NICU (chi2 test, chi2(2) = 23.304; N = 30250). Findings also suggested that pediatric migraine patients who had been in the NICU at birth had a significantly earlier age of onset of their migraines (chi2 +/- SD = 7.83 +/- 3.23; N = 30) when compared with patients who did not remain in the NICU (chi2 +/- SD = 9.68 +/- 3.57; N = 250; Kolmogorov-Smirnov Test, chi2 = 10.699). On the basis of these findings, we speculate that pain experience as a neonate, through neuronal plasticity and resulting central hyperexcitability, can alter the later experience of pain. However, this observational study cannot validate these links. Other potential explanations that work either synergistically or alone include other forms of stimulation and greater parental vigilance that may occur when neonates spend time in the NICU. This study would prompt additional development of a larger prospective study to establish a link between early pain experience and subsequent pain syndromes and also future investigation into the treatment of pain in neonates as a preventive measure for avoiding long-lasting neuronal alterations.