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Author Topic: Pregnancy and TB Testing  (Read 87 times)

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auntiebiotic

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Pregnancy and TB Testing
« on: November 02, 2016, 15:00:12 PM »






Pregnancy and TB Testing
Untreated tuberculosis (TB) disease represents a greater hazard to a pregnant woman and her fetus than does its treatment. Treatment of pregnant women should be initiated whenever the probability of TB is moderate to high. Infants born to women with untreated TB may be of lower birth weight than those born to women without TB and, in rare circumstances the infant may be born with TB. Although the drugs used in the initial treatment regimen for TB cross the placenta, they do not appear to have harmful effects on the fetus.

Testing
The tuberculin skin test is considered both valid and safe to use throughout pregnancy. The TB blood test is safe to use during pregnancy, but has not been evaluated for diagnosing M. tuberculosis infection in pregnant women. Other tests are needed to show if a person has TB disease.

 
TreatmentTB Disease
Pregnant women should start treatment as soon as TB is suspected. The preferred initial treatment regimen is INH, rifampin (RIF), and ethambutol (EMB) daily for 2 months, followed by INH and RIF daily, or twice weekly for 7 months (for a total of 9 months of treatment). Streptomycin should not be used because it has been shown to have harmful effects on the fetus. In most cases, pyrazinamide (PZA) is not recommended to be used because its effect on the fetus is unknown.

 

HIV Infection
HIV-infected pregnant women who are suspected of having TB disease should be treated without delay. TB treatment regimens for HIV-infected pregnant women should include a rifamycin. Although the routine use of PZA during pregnancy is not recommended in the United States, the benefits of a TB treatment regimen that includes PZA for HIV-infected pregnant women may outweigh the undetermined potential risks to the fetus.

 
The following antituberculosis drugs are contraindicated in pregnant women:
Contraindications

    Streptomycin
    Kanamycin
    Amikacin
    Capreomycin
    Fluoroquinolones

Women who are being treated for drug-resistant TB should receive counseling concerning the risk to the fetus because of the known and unknown risks of second-line antituberculosis drugs.

 
Breastfeeding
Breastfeeding should not be discouraged for women being treated with the first-line antituberculosis drugs because the concentrations of these drugs in breast milk are too small to produce toxicity in the nursing newborn. For the same reason, drugs in breast milk are not an effective treatment for TB disease or LTBI in a nursing infant. Breastfeeding women taking INH should also take pyridoxine (vitamin B6) supplementation.

 
For More Informationhttp://www.cdc.gov/mmwr/preview/mmwrhtml/rr5211a1.htmhttp://www.cdc.gov/mmwr/PDF/rr/rr4906.pdfhttp://www.cdc.gov/mmwr/pdf/rr/rr5415.pdfhttp://www.cdc.gov/mmwr/pdf/rr/rr5415.pdfhttp://www.cdc.gov/mmwr/preview/mmwrhtml/mm6048a3.htm?s_cid=mm6048a3_w

Targeted Tuberculosis (TB) Testing and Treatment of Latent TB Infection (Slide Set)
http://www.cdc.gov/tb/publications/slidesets/ltbi/default.htm

With kind thx to CDC
http://www.cdc.gov/tb/publications/factsheets/specpop/pregnancy.htm
« Last Edit: November 08, 2016, 16:31:04 PM by auntiebiotic »

 


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