born too early too small Flashcards

1
Q

what is too small

A

<2500g

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2
Q

common problems when small for dates

A
perinatal hypoxia
hypoglycaemia
hypothermia
polycythaemia
thrombocytopenia
GI problems
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3
Q

long term problems small for dates

A

HTN
reduced growth
obesity
ischemic heart disease

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4
Q

small for gestational age

A

infant born with birth weight <10th centile

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5
Q

preterm

A

< 37w

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6
Q

extremely preterm

A

<28 wks

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7
Q

low birth weight

A

< 2500g

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8
Q

very low birth weight

A

< 1500g

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9
Q

extremely low birth weight

A

< 1000g

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10
Q

SGA

A

<10th decile weight, length, head circumference

can be assoc with IUGR

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11
Q

IUGR

A

failure to reach full growth potential
risk for preterm delivery
symmetrical or asymmetrical (head spared)

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12
Q

symmetrical IUGR

A

trisomy 21, 18, 13
fetal alcohol
intrauterine infections e.g. CMV

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13
Q

asymmetrical IUGR

A

head growth spared

maternal HTN
malnutrition
other maternal debilitating condition

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14
Q

causes of small for dates

A
maternal: PET, smoking 
placental problems 
chromosomal e.g. Edwards
fetal infection e.g. CMV
twin pregnancy
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15
Q

common problems when premature

A
respiratory distress syndrome 
intra-ventricular heamorrhage
peri-ventricular leucomalacia
necrotising entero-collitis
persistent ductus arteriosus
retinopathy of prematurity 
broncho-pulmonary dysplasia 
post-heamorrhagic hydrocephalus
hypoxic-ischaemic encephalopathy
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16
Q

resp distress syndrome prevention

A

antenatal steroids

17
Q

resp distress syndrome Mx

A

surfactant

extubation: non-invasive CPAP, minimum ventilation

18
Q

broncho-pulmonary dysplasia

A

overstretch by volu-bara-trauma
atelectasis: collapse lung
inflammatory changes, tissue repair + scarring

19
Q

broncho-pulmonary dysplasia Mx

A

nutrition and growth

steroids

20
Q

inter-ventricular haemorrhage prevention

A

AN steroids

21
Q

inter-ventricular haemorrhage Mx

A

symptomatic

drainage

22
Q

patent ductus arteriosus pathophys

A

L to R shunt

  • overperfusion of lungs and lung oedema
  • steal from systemic circulation and systemic ischaemia
23
Q

PDA consequences

A

worseing resp symptoms
fluid retention: poor renal perfusion
GI problems - ischaemia

24
Q

necrotising entero-collitis

A

necrosis of bowel

ischaemic and inflammatory changes

25
Q

necrotising entero-colitis Mx

A

surgical intervention often
antib
parenteral nutrition