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The health, wellbeing and financial impact of infant functional gastrointestinal disorders

In the first six months of life, infants are particularly prone to gastrointestinal (GI) signs and symptoms that have no obvious structural or biomechanical cause. The immature GI tract and its associated nervous system and microbiota are not yet functioning at optimal level. This can cause a range of disorders that are not classified as organic disease, but which can nevertheless be extremely distressing for both the infant and the concerned parents. The collective term for these conditions is functional GI disorders.

Definitions

Functional GI disorders are divided into seven recognised categories¹:

  • Infant reflux — persistent regurgitation of stomach contents
  • Infant rumination syndrome — habitual regurgitation for the purpose of self-stimulation
  • Cyclic vomiting syndrome  — episodes of prolonged vomiting
  • Infant colic  — persistent crying
  • Functional diarrhoea  — frequent passing of unformed stools
  • Infant dyschezia  — painful straining and crying before successful or unsuccessful passage of soft stools
  • Functional constipation  — stool retention

 

Prevalence

Around 50% of infants will suffer at least one functional GI disorders before six months of age²`³. The most common one is reflux (which affects around 30% of infants), followed by colic (around 20% of infants) and constipation (around 15%)². It is common for two or more functional GI disorders to coexist in the same infant³.

While individual estimates of prevalence vary due to different study designs (see Figure 1), it is clear that, together, the functional GI disorders affect a significant section of the population during the most vulnerable years.

FIGURE 1: Prevalence of GI disorders²

Health and wellbeing impact

The signs and symptoms of functional GI disorders are distressing for child and parent alike. This can lead to considerable social consequences, as parents struggle to cope with their unhappy infant.

Research shows that children who experienced functional GI disorders as infants are more likely to suffer from abdominal pain throughout childhood⁵⁻⁸, have sleeping or behavioural problems⁷⁻¹¹, and be perceived as fragile by their mothers¹².

Parents of children with functional GI disorders are more likely to have a poor quality of life⁹`¹³ and suffer from tiredness, fatigue or postnatal depression¹⁴`¹⁵. They are also more likely to give up breastfeeding at an earlier stage¹⁶ or make multiple changes to their child’s formula¹⁷.

Economic impact

As parents desperately seek some comfort for their distressed child, the costs inevitably mount up.

Home remedies, over-the-counter remedies, medical consultations, prescribed treatments and lost income due to time taken off work all contribute to a total economic impact that has been estimated at £72.3 million per year in England¹⁸.

This “conservative estimate” (outpatient costs were excluded, for example) includes around £50 million of costs to the NHS. Parents also spent £13.6 million on over-the-counter colic medicines with no evidence of efficacy¹⁸.

Earlier studies estimated that the NHS spends around £65m each year to help parents manage infant crying and sleeping problems in the first 12 weeks of life¹⁹.

In the US the total national cost for emergency department visits due to constipation alone has been estimated at $1.6bn²⁰. Infants account for the highest proportion of these visits.

FIGURE 2: Optimal management of functional GI disorders can provide triple benefits; from improving infant health and family quality of life, to relieving the financial impact on the NHS and parents

In the following infographic we take a look at how more effective reassurance, advice on nutrition and practical approaches, rather than medication, could be key to reducing the financial burden of functional GI disorders.

Key learnings

    Infant functional GI disorders is an umbrella term for the signs and symptoms of seven GI disorders, affecting young children.
    The most common functional GI disorders are infant reflux, infantile colic and functional constipation.
    Around 50% of infants will suffer at least one functional GI disorder or related sign or symptom before six months of age.
    Functional GI disorders have no obvious organic cause, but are thought to be due to changes in the infant’s GI system as it matures.
    Functional GI disorders are highly prevalent during the early months, cause significant distress and impose a considerable burden on the finances of concerned parents and overstretched healthcare systems.
    Managing infant functional GI disorders is estimated to cost at least £72.3m per year.
    Diagnostic criteria for the seven functional GI disorders have been internationally agreed.
    Functional GI disorders are best managed through a combination of parental guidance and nutritional advice.
    Nutritional advice should stress the benefits of continuing breastfeeding.
    In non-breastfed infants with common functional GI disorders, specialist formulas may be considered.
    Pharmacological management may be of use in functional constipation but is rarely appropriate in other common functional GI disorders.
    Patient-centred guidance and reassurance is likely to be more effective than the traditional “doctor-knows-best” approach.

Our careline

The information above is designed to help healthcare professionals support parents, but if you still need assistance, at Nutricia Early Life Nutrition we have two carelines with two dedicated phone numbers; one for your patients to call directly, and the other specifically for healthcare professionals. The Nutricia Early Life Nutrition healthcare professional helpline is staffed by people who understand what it’s like to be on the frontline of healthcare. Our team has over a hundred and fifty years’ cumulative experience, including hands-on experience in midwifery, as well as paediatric and neonatal nursing.

Our free healthcare professional helpline is open from 8am to 8pm, Monday to Friday. Just phone 0800 996 1234 for expert advice on infant feeding and nutrition, including common infant feeding problems such as cows’ milk allergy, colic, constipation and reflux.

IMPORTANT NOTICE: Breastfeeding is best for babies. Infant formula is suitable from birth when babies are not breastfed. Follow-on milk is only for babies over 6 months, as part of a mixed diet and should not be used as a breastmilk substitute before 6 months. We advise that all formula milks including the decision to start weaning should be made on the advice of a doctor, midwife, health visitor, public health nurse, dietitian, pharmacist or other professional responsible for maternal and child care. Foods for special medical purposes should only be used under medical supervision. May be suitable for use as the sole source of nutrition for infants from birth, and/or as part of a balanced diet from 6–12 months. Refer to label for details.

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