Oligohidramnion Flashcards

1
Q

Definisi oligohidramnion

A
  • penurunan cairan amnion scr abnormal
  • vol cairan amnion kurang dari yg diharapkan pada usia gestasi tertentu
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2
Q

Epidemiologi oligohidramnion
(pada kehamilan preterm dan post term)

A

<1% pada preterm
2-10% pada 40-42 minggu

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3
Q

Frekuensi oligohidramnion besar di kehamilan post term karena

A

Produksi cairan amnion menurun pada trimester ketiga

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4
Q

Kondisi normal jumlah amnion

A

Keseimbangan antara produksi dan absorbsi cairan amnion

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5
Q

Cairan amnion meningkat scr linear sampai usia … minggu. Kemudian konstan sampai … .

A

34-36 minggu
sampai aterm

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6
Q

Asal cairan amnion
- 20 minggu pertama
- 2nd trimester

A
  • 20 minggu pertama : sekresi paru-paru, transport hidrostatik & osmotik plasma maternal
  • 2nd trimester : urin fetus
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7
Q

Kapan urin fetus mulai diproduksi

A

UK 16 minggu

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8
Q

Resorpsi amnion dari

A

Fetus menelan
Flow intramembran melewati pembuluh fetus di permukaan plasenta
Flow transmembran melalui membranamnion

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9
Q

Fungsi cairan amnion

A

Proteksi fetus dari trauma
Proteksi fetus dari infeksi
Proteksi umbilical cord dari kompresi
Menyediakan fluid, nutrien, dan growth factor untuk pertumbuhan normal

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10
Q

Etiopatogenesis utama oligohidramnion

A

Penurunan urinasi fetus (gangguan ginjal fetus, obstruksi saluran urin)
Ketuban pecah (misal pada PPROM)

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11
Q

Etiopatogenesis olighidramnion pada trimester kedua

A

Abnormalitas fetus yang menghalangi urinasi normal
Abnormalitas plasenta (thrombosis, infark)

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12
Q

Abnormalitas fetus yang menghalangi urinasi normal

A

bilataral renal agenesis
cystic renal disease
urethral atresia
stenosis

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13
Q

Etioptaogenesis oligohidramnion pada trimester ketiga

A

PPROM
uterplacental insufficiency?

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14
Q

Obat obatan penyebab oligohidramnion

A

ACE inhibitor
angiotensin-receptor blocker
NSAIDs

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15
Q

Penegakan diagnosis oligohidramnion

A
  • Amniotic fluid index (AFI) <5 cm
  • Single deepest pocket (SDP) <2 cm
  • Penilaian subjektif oleh operator USG berpengalaman
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16
Q

Anamnesis oligohhidramnion

A

OLDCART ; riw penggunaan obat; riw penyakit; riw ketuban pecah

17
Q

Pemeriksaan fisik

A

TFU
Spekulum
Tes ketuban pecah (nitrazine, pH)

18
Q

Saat USG untuk oligohyd, apa aja yang diliat

A
  • cari kelainan struktural genitourinary tract
  • menilai fetal growth restriction
  • umbilical artery doppler unt lihat insufisiensi plasenta
  • SDP, AFI
19
Q

SDP normal

A

3-8 cm

20
Q

AFI normal

A

5-25 cm

21
Q

Manajemen oligohydr pada UK aterm

A

Aktif -> Induksi persalinan

Ekspektatif -> hidrasi cairan hipotonik, IV hipotonik

22
Q

Manajemen oligohidramnion

A

Hidrasi ; cairan hipotonik oral/ IV
Amnioinfusion ; instilasi cairan normal saline ke amnion

23
Q

Komplikasi

A

Umbilical cord compression
Hipoplasia paru fetus
Aspirasi mekonium
Fetal HR deceleration
Nonreactive fetal tracing