Module 4 Group 10
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Transcript of Module 4 Group 10
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MODULE 4: LOW BIRTH WEIGHT BABYScenario 2
GROUP 10
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Scenario 2
A girl baby, 3 days old, referred from midwife to hospital with face and
body looked yellow. From alloanamnesis the baby was born 3 days ago by midwife with birth eight
1500 gr and gestational age 8 months when she was born. Her
mother smokes tobacco regularly.
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Keywords
A girl baby, 3 days old Jaundice Birth weight 1500 gr Gestional age 8 months Mother smokes tobacco regularly
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Clarification of words Low birth weight babies: an infant whose birth weight is less than
2500g regardless of gestational age. Premature (preterm) babies: an infant born before completion of 37th
week of gestation regardless of birth weight.
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Questions1. What is the normal physiology of fetal development?2. What are the causes of low birth weight baby?3. What are the causes of premature baby?4. What is the epidemiology of low birth weight baby?5. What is the classification of gestational age?6. Does the baby weight suits her gestational age?7. What are the pathophysiology of jaundice?8. What are the relationship between jaundice and low birth
weight baby?9. What are the classification of jaundice?10. What are the contents of cigarette that affect the fetal
development?11. What are the relationship between smoking and low birth
weight baby?
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Epidemiology Low Birth Weigth Baby
At least 17 million infants are born every year with LBW, representing about 16% of
all newborns in developing countries.
Nearly 80% of all affected newborns with LBW at term are born in Asia.
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Factors of low birth weight infants Genetics- Infants with a black
mother and father have the lowest mean birth weights
- infants born to two white parents have the highest weights.
- Newborns with mixed-race parents have intermediate birth weight distributions
Age- mothers under the age of
18 or over the age of 35
Nutrition- Non adequate supply of
nutrients Prenatal Care- higher for women who do
not receive prenatal care Smoking- Smokers inhale nicotine
and carbon monoxide- which reach the baby
through the placenta - prevent the fetus from
getting nutrients and oxygen needed to grow
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Causes for Premature Birth Multiples pregnancy Previous premature
birth Short period between
pregnancies Pre-eclampsia HELLP Syndrome Smoking Uterine or cervical
abnormalities Recurring infections
Chronic illnesses Abortion Mother’s age PPROM “Preterm
Premature Rupture of Membranes”
Placental risks & causes – Placenta Previa and Placental Abruption
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Risks from smoking during pregnancy Effects on mother Effects on babies
Difficulty getting pregnant
Placenta separates from the womb too early, causing bleeding
Placenta covers the cervix, causing complications
Water breaks too early
Miscarriage
Baby born to small Baby born too early Sudden infant death
syndrome Fetal death Infant death Certain birth defects,such as:
Cleft lip/palate Clubfoot Gastroschisis Some heart defects
Crypyorchidism
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Battaglia and Lubchenco Grafic
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Clasification of Gestasional Age Pure Prematurity : Gestasional Age Less than
37 weeks with appropriate weight Small For Date : The weight is less than the
Gestasional Age Large For Date : The Weight of the baby more
than the should gestasional age Apropriate For Date : The Weight and the
Gestasional Age is Apropriate
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Jaundice in Infant Infant jaundice is a yellow
discoloration in a newborn babies’ skin and eyes
Common cause : immature liver of the babies to get rid of bilirubin in bloodstream
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Classifications of jaundice in infants Physiological
jaundice: occurring in most
newborns due to immaturity of
the baby's liver → slow processing of bilirubin
2 to 4 days of age disappears by 1 to 2
weeks of age
Pathological jaundice: Criterias :
Jaundice appear <24 hours or >14 days of life
Increases in the level of total bilirubin by more than 8.5 umol/l (0.5 mg/dL) per hour or (85 umol/l) 5 mg/dL per 24 hours
Total bilirubin more than 331.5 umol/l (19.5 mg/dL)
Direct bilirubin more than 34 umol/l (2.0 mg/dL)
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Breastfeeding jaundice:
not enough breast milk - difficulty with breastfeeding
Breast milk jaundice: in 1% to 2%
of breastfed babies caused by substances
produced in the mother's breast milk that cause hyperbilirubinemia
starts after the first 3 to 5 days
slowly improves over 3 to 12 weeks.
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PHYSIOLOGY OF BILIRUBIN METABOLISM
Stage 1 : Production of bilirubin I
• Degradation Hb
Stage 2 : Transport of bilirubin I into liver
• Bilirubin I + albumin(transporter)
Stage 3 : Conjugation of bilirubin I
• Bilirubin I is converted to Bilirubin II • With the aid of protein Y+Z, oxygen, glucose
Stage 4 : Excretion• Stercobilin & Bilirubin I• Bilirubin I will be converted back to bilirubin II in
enterohepatic cycle• Stercobilin will be excreted via faeces
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PATHOPHYSIOLOGY OF JAUNDICE
1. During stage 1 ( production of bilirubinI)i)preterm babiesii)infectioniii)blood incompatibility
2. During stage 2 (transport of bilirubin I)i) hypoalbuminemia
3. During stage 3 (conjugation of bilirubin I)i) hypoglikemia
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JAUNDICE IN PRETERM BABIES IU : immature liver & RBC system Postnatal : slow development of liver & RBC
system Lifespan RBC preterm babies ↓ (50-60 days)
↓ ↑ bilirubin load in liver
↓ ↑ enterohepatic circulation of bilirubin
↓Long, persistent jaundice in preterm babies
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Tobacco and LBWB• The smoke from a cigarette contains more than 4000 chemicals• Have various toxic, mutagenic and carcinogenic effects
Major content:
1. Nicotine= decrease arteries size>>hypoxia
2. Carbon monoxide = bind with hemoglobn >>oxyhemoglobin reduces>> hypoxia
3. Tar = carcinogenic >> compete for nutrition >> hypoxia
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Low birth weight baby
What induced preterm labour?-Hypoxia-Placenta previa-Ketuban pecah dini
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Smokes tobacco
Hypoxia
Placenta previa
Ketuban pecah dini
Preterm labour
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Nicotine
Release of catelcolamine
Vasoconstriction
Less nutrition and blood
supply
Decrease fetal development
Low birth weight
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Irritant from cigarrete ruptured membrane
Collagen degradation
Inflammatory mediator release
Produce protease
Initiate cervical change
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Hypoxia
Increase placenta
area ( find the area with high oxygen)
Close cervix surface (high
oxygen area)
Preterm labour
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Sign & symptoms of pretem labour four or more uterine contractions in one hour cervical dilatation vaginal bleeding in the third trimester heavy pressure in the pelvis abdominal or back pain watery discharge from the vagina
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Diagnosis Bilirubin measurement Blood type & Rh determination Peripheral blood smear Complete blood & Reticulocytes count Direct Coomb’s test (DCT)
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Anamnesis tambahan When did the jaundice start? Parent’s blood group Smoking history of father and mother Type of delivery and what induce the delivery
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Treatment
Jaundice Low Birth Weight Baby
Fototherapy Transfusion therapy Drugs (examples:
phenobarbital or luminal) Breastfeeding baby
Source : Makalah ikterus neonatorum,universitas pembangunan negara
Regulation of environmental temperature → in an incubator with temperature set :
• Baby with weight < 2 kg 35 celcius of degree
• Baby with weight 2-2,5 kg 34 celcius of degreeIncubator temperature is lowered 1 degree Celsius every week until the baby can be placed on the ambient temperature around 24-27 celcius of degree.
Feeding → with a pipette a little but more often
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PretermFeeding and Fluid Management of Preterm Babies
Babies without major illness: 1,75 – 2,5 kg
Allow the baby to begin breastfeeding 1,5- 1,749 kg
Give expressed breast milk using an alternative feeding method every 3 hours until the baby is able to breastfeed.
1,25 – 1,49 kg Give expressed breast milk by gastric tube every 3
hours Progress to feeding by cup/ spoon as soon as the baby
can swallow without coughing or spitting If the baby weighs 1,25 – 1,5 kg at least 8 times /day If the baby weighs less than 1,25 kg at least 12
times/day
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COMPLICATION OF LBW inability to maintain body temperature difficulty feeding and gaining weight infection breathing problems such as respiratory
distress syndrome (a respiratory disease of prematurity caused by immature lungs).
neurologic problems such as intraventricular hemorrhage (bleeding inside the brain)
gastrointestinal problems such as necrotizing enterocolitis
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PREVENTION OF LOW BIRTH WEIGHT Prenatal care is a key factor. Health of both
mother and fetus can be checked. Eating a healthy diet and gaining the proper
amount of weight. Avoid alcohol, cigarettes, and illicit drugs.
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COMPLICATIONS OF PRETERM BABY Short term:1. Breathing. Trouble breathing due to an
immature respiratory system2. Heart and brain problem.3. Temperature control problem. Lose body
heat rapidly; they don't have the stored body fat of a full-term infant.
4. Blood problems. are at risk as anemia and infant jaundice
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Long-term complications:1. Cerebral palsy. disorder of movement,
muscle tone or posture that is caused by injury to a preterm's developing brain.
2. Impaired cognitive skills. Learning disability.
3. Vision problems. Preterm born before 30 weeks may develop retinopathy of prematurity (ROP).
4. Chronic health issues. Such as infection.5. Dental problems. Increased risk of
developing dental problems, eg delayed tooth eruption, tooth discoloration and improperly aligned teeth.
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PREVENTION OF PRETERM LABOUR Weekly shots of the hormone progesterone. Seek regular prenatal care. Eat healthy food. Manage chronic condition eg DM Avoid risky substance. Quit smoking. Manage stress.
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COMPLICATION OF JAUNDICE Sick or difficult to wake High-pitched crying Poor sucking or feeding Backward arching of the neck and body Fever Vomiting
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PREVENTION OF JAUNDICE
1. Antenatal care
2. Avoid using drugs in pregnancy & intrapartum period :
• Sulfa furazole
• Novobiocin
• Oxytocin, etc
3. Prevent hypoxia in fetus & neonatus
4. R/ luminal for pregnant mother 1 – 2 day before labor
5. Good Ilumination
6. Early feeding
7. Prevent infection.
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THANK YOU!