Congenital Tb Flashcards
1
Q
Mode of transmission in congenital tb
A
Via umblical vein- comolex in liver and ln
Aspiration of af- multiple complexes in git , ear , lung
Direct contact with lesion whole delivery
2
Q
Diagnostic criteria
A
Beitzke
Cantwell beitzke
3
Q
Beitzke
A
Isolation of mtb from infant
Primary complexin liver
If absent complex- tb diagnosis jn days after birth
Absence of contact with tb after birth
4
Q
Clinical features
Pbysical
A
Resp distress Lethargy poor feeding failure to thrive fever irritability hepatosplenomegaly lymph node jaundice
5
Q
How do you diagnose congenital Tb
A
History
radiology chest X-ray USg CT mri culture from gastric washings biopsy from liver, ln ,skin ,bone marrow ,spinal fluid, phage typing
6
Q
How can be phage typing used to diagnose congenital Tb
A
It differentiats whether the mycobacteria isolated from mother and the Infant
7
Q
Mx of congenital tb
A
All infants born to mother with active tb- should be screened If neg- inh 5mg/kg /day for 6 months At 3month- screening If tst negative- give bcg If positive and asymp- continue If symptomatic- qtt
