Teratogenic Compounds Flashcards

1
Q

What are the Teratogenic effects associated with:

ACE inhibitors

A

Renal damage

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2
Q

What are the Teratogenic effects associated with:

Alkylating agents

A

Absence of digits

multiple anomalies

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3
Q

What are the Teratogenic effects associated with:

Aminoglycosides

A

Ototoxicity

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4
Q

What are the Teratogenic effects associated with:

Antiepileptic drugs

A
Neural tube defects
cardiac defects
cleft palate
skeletal abnormalities (eg, phalanx/nail hypoplasia, facial dysmorphism)

(high dose folate recommended; most commonly seen with valproate, carbamazepine, phenytoin, phenobarbital)

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5
Q

What are the Teratogenic effects associated with:

Diethylstilbestrol

A

Vaginal clear cell adenocarcinoma

congenital Müllerian anomalies

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6
Q

What are the Teratogenic effects associated with:

Folate antagonists

A

Neural tube defects

includes trimethoprim, methotrexate, antiepileptic drugs

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7
Q

What are the Teratogenic effects associated with:

Isotretinoin

A

Multiple severe birth defects

Contraception mandatory

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8
Q

What are the Teratogenic effects associated with:

Lithium

A

Ebstein anomaly (apical displacement of tricuspid valve)

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9
Q

What are the Teratogenic effects associated with:

Methimazole

A

Aplasia cutis congenita

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10
Q

What are the Teratogenic effects associated with:

Tetracyclines

A

Discolored teeth, inhibited bone growth

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11
Q

What are the Teratogenic effects associated with:

Thalidomide

A

Limb defects (phocomelia, micromelia—“flipper” limbs)

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12
Q

What are the Teratogenic effects associated with:

Warfarin

A

Bone deformities, fetal hemorrhage, abortion, ophthalmologic abnormalities

(heparin safer for use because it is more water soluble than warfarin)
{more water soluble=less likely to cross placenta}
{more lipid soluble = more likely to cross placenta}

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13
Q

What are the Teratogenic effects associated with:

Alcohol

A

Common cause of birth defects and intellectual

disability; fetal alcohol syndrome

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14
Q

What are the Teratogenic effects associated with:

Cocaine

A

Low birth weight
Preterm birth
IUGR
Placental abruption

(Cocaine –> vasoconstriction)

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15
Q

What are the Teratogenic effects associated with:

Smoking (nicotine, CO)

A
Low birth weight (leading cause in developed countries)
preterm labor
placental problems
IUGR
SIDS
ADHD

(Nicotine –> vasoconstriction)
(CO –> impaired O2 delivery)

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16
Q

What are the Teratogenic effects associated with:

Iodine (lack or excess)

A

Congenital goiter or hypothyroidism (cretinism)

17
Q

What are the Teratogenic effects associated with:

Maternal diabetes

A

Caudal regression syndrome (anal atresia to sirenomelia),
congenital heart defects ( eg. VSD, TOGV)
neural tube defects
macrosomia
neonatal hypoglycemia
polycythemia

18
Q

What are the Teratogenic effects associated with:

Methylmercury

A

Neurotoxicity

Highest in swordfsh, shark, tilefsh, king mackerel

19
Q

What are the Teratogenic effects associated with:

Vitamin A excess

A

Extremely high risk for spontaneous abortions and birth defects (cleft palate, cardiac)

20
Q

What are the Teratogenic effects associated with:

X-rays

A

Microcephaly
intellectual disability

(minimized by lead shielding)