management of low birth weight babies
DESCRIPTION
Management of Low Birth Weight Babies. Learning objectives. To understand the types and causes of LBW To learn how to differentiate Preterm LBW from Term LBW infants To recognize the problems of LBW neonates To learn the principles of management. 2. Low Birth Weight (LBW). - PowerPoint PPT PresentationTRANSCRIPT
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Management of Low Birth Weight Babies
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Learning objectives
• To understand the types and causes of LBW
• To learn how to differentiate Preterm LBW from Term LBW infants
• To recognize the problems of LBW neonates
• To learn the principles of management
Teaching Aids: ENC NH- 2
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Low Birth Weight (LBW)
Definition: Birth weight <2500 g
Incidence : ~30% of neonates in India
Teaching Aids: ENC NH- 3
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LBW: Significance
• LBW babies account for about 75% neonatal deaths and 50% infant deaths
• LBW babies are more prone to:• Malnutrition • Recurrent infections• Neurodevelopmental delay
LBW babies have higher mortality and morbidities
Teaching Aids: ENC NH- 4
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Types of LBW
Preterm
• <37 completed weeks of gestation
• Account for 1/3rd of LBW
Small-for-date (SFD) /
Intra Uterine Growth Restriction (IUGR)
• <10th centile for gestational age
• Account for 2/3rd of LBW neonates
Two types based on the etiology
Teaching Aids: ENC NH- 5
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LBW: Causation
Etiology of Prematurity
• Low maternal weight, teenage / multiple pregnancy
• Previous preterm baby, cervical incompetence
• Antepartum hemorrhage, acute systemic disease
• Induced premature delivery• Majority unknown
Teaching Aids: ENC NH- 6
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Etiology of SFD / IUGR
• Poor nutritional status of mother• Hypertension, toxemia, anemia• Multiple pregnancy, post maturity• Chronic malaria, chronic illness• Tobacco use
LBW: Causation
Teaching Aids: ENC NH- 7
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LBW: Identification of types
Prematurity
• Date of LMP• Physical features
• Breast nodule• Genitalia• Sole creases• Ear cartilage / recoil
Teaching Aids: ENC NH- 8
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Preterm vs Term LBW
Breast nodule
Preterm Term
Teaching Aids: ENC NH- 9
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Male genitalia
Identification: Preterm LBW
Preterm TermPreterm Term
Teaching Aids: ENC NH- 10
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Female genitalia
Identification: Preterm LBW
Preterm Term
Teaching Aids: ENC NH- 11
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Identification: Preterm LBW
Sole creasesPreterm Term
Teaching Aids: ENC NH- 12
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Ear Cartilage
Identification: Preterm LBW
Preterm Term
Teaching Aids: ENC NH- 13
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SFD / IUGR• Intrauterine growth chart• Physical characteristics
• Emaciated look• Loose folds of skin • Lack of subcutaneous tissue• Head bigger than chest by >3cm
LBW: Identification of SFD/IUGR
Teaching Aids: ENC NH- 14
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Intra uterine Growth chart
0
500
1000
1500
2000
2500
3000
3500
4000
4500
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
Gestation (weeks)
Bir
th w
eig
ht
(gm
)
10th centile 90th centile
AFD
SFD
LFD
Classification of neonates
Teaching Aids: ENC NH- 15
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2.1 Kg - IUGR 3.2 Kg - AFD
SFD / IUGR vs Term appropriate for date ( AFD)
Teaching Aids: ENC NH- 16
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LBW (Preterm) : Problems
• Birth asphyxia
• Hypothermia
• Feeding difficulties
• Infections
• Hyperbilirubinemia
• Respiratory distress
• Apneic spells
• Intraventricular hemorrhage
• Hypoglycemia
• Metabolic acidosis
Teaching Aids: ENC NH- 17
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• Birth asphyxia• Meconium aspiration syndrome• Hypothermia• Hypoglycemia• Infections• Polycythemia
LBW (SFD) : Problems
Teaching Aids: ENC NH- 18
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LBW: Issues at birth
• Transfer mother to a well-equipped centre before delivery
• Skilled person needed for effective resuscitation
• Prevention of hypothermia - topmost priority
Teaching Aids: ENC NH- 19
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LBW: Need for referral/admission
• Birth weight <1800 g• Gestation <34 wks• Unable to feed*• Sick neonate*
* Irrespective of birth weight and gestation
Teaching Aids: ENC NH- 20
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Keeping warm at home
Birth weight (Kg) Room temperature (0C)
1.0 – 1.5 34 – 35
1.5 – 2.0 32 – 34
2.0 – 2.5 30 – 32
> 2.5 28 - 30
Skin-to-skin contact Warm room, fire or heater
Prevent heat losses Baby warmly wrapped
Conduction
Radiation
Convection Evaporation
Teaching Aids: ENC NH- 21
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Well covered newborn
Keeping warm at home
Teaching Aids: ENC NH- 22
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Keeping warm in hospital
Skin-to skin method Warm room, fire or
electric heater Warmly wrapped
Heated water-filled mattress Air-heated Incubator
Radiant warmer
Teaching Aids: ENC NH- 23
Skin-to-skin contact
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Deciding the initial feeding method
Two factors
1.Hemodynamically stable or not? 2.Feeding ability
Teaching Aids: ENC NH- 24
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Is (s)he stable?• Fast breathing (RR>60/min)• Severe chest in-drawing• Apnea• Requirement for oxygen• Convulsions• Fever (>37.50C) or low temperature (<35.50C)• Abnormal state of consciousness • Abdominal distension
If unstable, start intravenous (IV) fluids
If unstable, start intravenous (IV) fluids
Presence of any one of these signs = UNSTABLE
Deciding the initial feeding method
Teaching Aids: ENC NH- 25
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Feeding ability
Gestational age
Maturation of feeding skills
Initial feeding method
< 28 weeks No proper sucking effortsNo gut motility
Intravenous fluids
28-31 weeks Sucking bursts developNo coordination between suck/swallow and breathing
OG tube feeding with occasional spoon/paladai feeding
32-34 weeks Slightly mature sucking patternCoordination begins
Feeding by spoon/paladai/cup
>34 weeks Mature sucking patternMore coordination between breathing and swallowing
Breastfeeding
Deciding the initial feeding method
Teaching Aids: ENC NH- 26
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Manage as per guidelines for sick neonates*
Manage as per guidelines for sick neonates*
Give oral feeds by cup/spoon/ paladai
Is the baby able to breastfeed effectively?
Is the baby able to accept feeds by alternative methods?
When offered the breast, the baby roots, attaches well and suckles effectively
Able to suckle long enough to satisfy needs
Is the baby clinically stable? No
Yes
Yes
Yes
No
Is birth weight more than 1250 g?
Yes
No
Start intra-gastric tube feeds
Start intravenous fluids
Initiate breast feeding
No
ActionAssessment
* Assess daily for clinical stability ; once stable, assess for initial feeding methodTeaching Aids: ENC NH- 27
When offered cup or spoon feeds, the baby opens the mouth, takes milk and swallows without coughing/ spluttering
Able to take an adequate quantity to satisfy needs
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Gavage feeding
Teaching Aids: ENC NH- 28
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Katori-spoon feeding
Teaching Aids: ENC NH- 29
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Based on two factors
• Stable or not? • Maturation of feeding ability
Progression of oral feeds
Teaching Aids: ENC NH- 30
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Baby on IV fluids
Assess for stabilityIf stable
Introduce small amounts of intra-gastric tube feeds Baby on intra-
Gastric tube feeds
Monitor daily for signs of feeding readiness
• Offer small amounts of oral feeds by spoon/paladai
Make him suckle at breast
Put him on breast more frequently Baby on
breastfeeding
Continue breastfeeding
Baby on oral feeds byspoon/paladai
• Put on breast
Continue till the baby is on full spoon feeds
Teaching Aids: ENC
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Choice of milk
Breast milk
• Perfectly adapted to the infants’ needs
• Consistent evidence:
o Reduces infections and NEC
o Improves neurodevelopmental outcomes
o Long term effects on BP, lipid profile and pro-
insulin levels
Teaching Aids: ENC NH- 32
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The best milk for a LBW infant is his/her own mother’s milk
In case mother’s milk is not available, then the choices in order of preference are:
• Expressed donor milk (only where milk banking available)• Infant formula (standard/pre-term formula)• Animal milk
Choice of milk
Teaching Aids: ENC NH- 33
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BW >1500 g• Iron: from 2-3 months• Multivitamin: from 2 weeks of life (for vitamin
D) BW <1500 g
• Calcium & phosphorus• Vitamin D & E; other vitamins• Iron • Zinc
Nutritional supplements
Teaching Aids: ENC NH- 34
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Recommended supplements for infants >1500g
Nutrient
Route Dose When
Iron Enteral 2 mg elemental iron/kg/day (maximum 15 mg/day)
From 2-23 months of age
Vitamin D
Enteral 200-400 IU/day Until 1 year of age
Nutritional supplements
Teaching Aids: ENC NH- 35
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Supplements for breast milk fed infants <1500g
Nutrient Route Dose When to start? When to stop?
Phosphorus
Enteral
100 mg/kg From time of tolerating full enteral feeds
Until 40 weeks post-menstrual age
Calcium Enteral
200 mg/kg/day
- do - - do -
Vitamin D Enteral
400 IU/day - do - - do -
Iron Enteral
2 mg/kg/day From 2months of age
Until 23 months of age
Nutritional supplements
Teaching Aids: ENC NH- 36
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Day of life Fluid requirements (mL/kg/day)
> 1500 g < 1500 g
Day 1 60 80
Day 2 80 95
Day 3 100 110
Day 4 120 120
Day 5 140 130
Day 6 150 140
Day 7 onwards 160+ 150* * If the infant is on intravenous fluids, do not increase beyond 140 -150 ml/kg/day
Feed volumes
Teaching Aids: ENC NH- 37
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Ask: how many times the infant
feeds in 24 hours?
Ask: how many times the infant
feeds in 24 hours?
Observe: the infant’s attachment
and suckling if the infant seems to
tire or if the mother takes the infant off the breast before completing a feed
look for sore nipple / breast engorgement
• Feeding less than 8 times in 24 hours
• Poor attachment and ineffective suckling
• The baby tires or the mother takes him off the breast before completion of feeds
• Mother having sore nipple or breast engorgement
Features that indicate inadequate breastfeeding
Assessing feeding adequacy
Teaching Aids: ENC NH- 38
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Ask: how many times the
infant feeds in 24 hours? the volume of each feed
given by spoon/cup/paladai
Ask: how many times the
infant feeds in 24 hours? the volume of each feed
given by spoon/cup/paladai
Observe: is he
spluttering/spitting the milk
is he tiring or takes too long to take the required amount
• If each feed volume is less than that indicated
• Feeding the baby less frequently than recommended
• If there is excessive spilling during feeds
• Takes too long to finish the required amount
Features that indicate inadequate spoon feeding
Assessing feeding adequacy
Teaching Aids: ENC NH- 39
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Assessing feeding adequacy
Weight pattern*• Loses 1 to 2% weight every day initially• Cumulative weight loss 10%; more in
preterm• Regains birth weight by 10-14 days• Then gains weight up to 1 to 1.5% of birth
weight daily
Excessive loss or inadequate weight
• Cold stress, anemia, poor intake, sepsis
* SFD - LBW term baby does not lose weightTeaching Aids: ENC NH- 40
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Growth monitoring
Growth charts
• Until 40 weeks: Dancis, Ehrenkranz• After 40 weeks: WHO charts
Teaching Aids: ENC NH- 41
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Growth monitoring for PT neonates
Modified
Dancis chart
Modified
Dancis chart
Teaching Aids: ENC NH- 42
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Key messages
• LBW infants - at risk of high mortality and significant morbidities
• Two major types of LBW - Preterm and IUGR/SGA
• Morbidities different in both types • Choice of feeding method - based on the
feeding ability of the infant• Breast milk – milk of choice, irrespective of
the feeding method
Teaching Aids: ENC NH- 43