Mellss yr5 paeds breathing difficulties (congestive cardiac failure)
Mellss obg infection in pregnancy
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Transcript of Mellss obg infection in pregnancy
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INFECTION IN PREGNANCY:
TB, MALARIA AND CHICKENPOX
Nur Amalina bt. Aminuddin Baki
082012100067
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Tuberculosis in pregnancy 1-2 % Risk factors
Positive family/past history Low socioeconomic status High TB prevalence area HIV infection IV drug abuse Diabetes
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Effect of Pregnancy on TB Pregnancy aggravated TB
Lesions remain same Same mortality rate for pregnant and
non-pregnant TB women (treated) No increase in relapse No increase in risk of active TB in HIV
(+)ve mothers
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Effect of TB on pregnancy Affect fertility if associated with
genital TB Slight increase in abortion, IUGR and
preterm labour Rare transplacental infection Neonatal infection mainly by
postpartum maternal contact or aspiration of amniotic fluid
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Diagnosis of Mother
May be delayed (nonspecific early symptoms)
Cough, haemoptysis, fever, weight loss
Any pregnant/puerperal women with unexplained cough and sputum
Tuberculin skin test Chest X-ray
(>12w) Early morning
sputum for AFB Gastric washings Diagnostic
bronchoscopy Direct
amplification tests
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Diagnosis of Congenital TB Lesion in first week of life Primary hepatic complex / caseating
hepatic granuloma by percutaneous liver biopsy at birth
Infection in maternal genital tract or placenta
No evidence of post natal transmission
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Management : Medical
Prophylaxis Asymptomatic women (>35y/o) with
(+)ve PPD Isoniazid 300mg/day after 1st trimester
for 6-9 months Pyridoxine 50 mg/day
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Treatment
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Management: Surgical
Thoracic surgery Hold back if possible Restricted to 12 to 20 weeks
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Management: Obstetric Therapeutic termination:
maybe in MDR-TB Avoid breastfeeding if mother and child is on
drugs Prophylaxis for baby if mother have active TB
isoniazid 10-20 mg/kg/day for 3 months till mother become sputum (-) ve.
BCG given as soon as possible. Avoid pregnancy till two years of quiescence Avoid OCP with rifampicin
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Introduction
Tropical disease causing complication in pregnancy.
Female Anopheles mosquito Haemolysis of RBC and
microcirculation blockage due to sequestrated RBC.
Pregnancy increases risk, severity and complication of infection
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Effect of Malaria on
MOTHER
Megaloblastic anemia Hypoglycemia Metabolic acidosis Jaundice Renal failure Pulmonary edema Cerebral malaria
FETUS
Due to high fever and placental parasitization.
Mostly in p. falciparum infection and 2nd half of pregnancy.
Abortion, preterm labor, IUGR and IUFD
Congenital malaria is rare unless placenta is damaged
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Management
Prevention ▪ Pyrethroid-impregnated mosquito
nets▪ Electrically heated mats▪ Chloroquine 300mg weekly▪ Mefloquine 250mg/week
( chloroquine-resistant)▪ from 2 weeks before travel to 4 weeks
after travel.
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Treatment
Chloroquine ▪ 10 mg base/kg PO▪ 10mg/kg at 24 hours▪ 5mg/kg at 48 hours
Primaquin (radical cure) postponed till end of pregnancy
Quinine ( chloroquine-resistant) 10 mg salt/ kg every 8 hours for 7 days
Folic acid 10mg daily
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Complicated malaria
IV artesunate 2.4mg/kg at 0 ,12 , 24 hours , then daily
Oral artesunate 2mg/kg starts when patient is stable
IV quinine can also be given Limited use▪ Only in 2nd or 3rd trimester when other drugs
are resistant
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Varicella Zoster Virus
Cross placenta congenital/neonatal chickenpox
High maternal mortality due to varicella pneumonia
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Congenital Varicella Syndrome Limb hypoplasia Limb deformity ( absent if infection
after 20 weeks) Choroidoretinal scarring Cataracts Microcephaly Cutaneous scarring
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Diagnosis
Varicella PCR ELISA
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Treatment
Live attenuated varicella vaccine not recommended
Varicella Zoster Immunoglobulin to exposed non-immune person Newborn exposed within 5 days of
delivery Oral acyclovir ( within 24 hours )
decrease illness duration
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Listeria Monocytogenes Intracellular Gm (+)ve bacillus In soil and vegetation
Eating infected food/ animal products
Reliable serological test: blood culture during septicemia
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Listeriosis
Flu-like/ food poisoning maternal symptoms
Obstretric complication: Late miscarriage ,preterm labor, stillbirth Neonatal death (10%)
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Treatment: Ampicillin and gentamicin Trimethoprim and sulfamethoxazole
PreventionUnpasteurized milk, soft cheese, refrigerated smoked seafood
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Intestinal Worms
Hookworms : 700-900 million worldwide
Roundworms : 25% of world’s population
Most common infestation in tropics Diagnosis: stool examination Treatment :
deworming ( excluding 1st trimester) Iron therapy for anemia
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Referance
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