Request for specialist input: 98851000119102 |Inflammation of filtering bleb (disorder)| (synonym: “blebitis”) and subtype 336691000119100 |Postprocedural blebitis (disorder)|

Clinical Reference Groups Eye Care CRG
1

I have been asked to review the above concepts as potential duplicates and would appreciate your clinical input.

  1. As glaucoma filtering surgery results in the formation of a filtering bleb, is blebitis inherently post-procedural, such that these concepts would be considered duplicates? Or is the term ever used clinically without explicit reference to a surgical context?
  2. Related to this, is blebitis always infective in origin, or can it present as a sterile inflammatory process? I ask because it is currently modelled only as inflammation rather than infection.
  3. In addition, for 413665004 |Bleb associated endophthalmitis (disorder)| (currently a subtype of Disorder of filtering bleb and not otherwise modelled), is blebitis always present when endophthalmitis is associated with a filtering bleb, or can bleb-associated endophthalmitis occur without clinically apparent bleb inflammation?

Screenshots of the hierarchy below and thank you in advance for your time and consideration of these issues.

Elaine

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2

  1. blebitis is indeed inherently post-procedural.

  2. blebitis is usually infectious but might occasionally be just inflammatory (much less common so perhaps worth specifying?)

  3. blebitis is almost always present when there is bleb-associated endophthalmitis but again, not always the case.

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