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PHi everyone. I have read articles on the definition (old and new) of BPD but I am still unclear in certain aspects. A 26 week old preterm infant needed supplemental oxygen for more than 28 days  but was successfully weaned of this before 36week postmenstrual age; does this baby meet criteria for BPD? Or is it mandatory for the 36 PMA criteria to be met before considering BPD at all? Thank you

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For preterm infants born before 32 weeks postmenstrual age the point of assessment is at 36 weeks postmenstrual age (or at discharge, whichever comes first). For preterm infants born ≥ 32 weeks postmenstral age you assess at >28 days (but <56 days postnatal age or at discharge home, whichever comes first).

Then you have to consider the treatment with oxygen >21% for at least 28 d plus

  • for mild BPD: Breathing room air at 36 weeks postmenstrual age/by >28days (<56 days) age or at discharge, whichever comes first
  • for moderate BPD: Need for<30% at 36 weeks postmenstrual age/by >28days (<56 days) age or at discharge, whichever comes first
  • for severe BPD: Need for 30% oxygen and/or positive pressure(PPV or NCPAP) at 36 weeks postmenstrual/by >28days (<56 days) age or at discharge, whichever comes first

So the preemie you talk about would have a mild BPD by the NIH workshop definition.

I hope this helped you.

 

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