Updates in AmpC
Explained well about How to choose Antibiotics in AmpC -
Updates in CRE -
Explicitly mentions TOC for NDM, OXA, KPC & while awaiting reports.
No role of Tetracycline derivatives in UTI/ BSI
Updates in Pseudo
TOC for MDR Pseudo
TOC for MBL - No added benefit of Ceftazidime -avibactam+Aztreonam vs Aztreonam alone
Combination therapy in DTR Pseudo-Don't use Polymxin+Aminoglycosides -use Newer BL-BLI+Tobramycin if tobra is S, if R use Newer BL-BLI+ Polymyxin
Updates in CRAB
CRAB therapy -Sulbactam + Mino>Tige , or Sulbactam + Polymyxin B, Mero + Poly B not to be used
If using Ampicillin - Sulbactam - panel suggest *against* the use of Meropenem in the combination
Stenotrophomonas updates
Combination only - no role of single agent
Ceftazidime -avibactam + Aztreonam if clinical instability, intolerance
• • •
Missing some Tweet in this thread? You can try to
force a refresh
#Tweetorial #IDTwitter #MedTwitter #MedEd
Lets talk about #Enterococcus#bacteremia 🧵
2 important species - E.faecalis, E faecium
E.faecium is generally more resistant, but lower risk of endocarditis
E.faecalis, usually S to Ampicillin, but IR to Quinopristin-Dalfopristin
1/6
Also, note- Enterococcus is IR to Cephalosporins, Aminoglycosides
Bacteremia source - Indwelling catheter, GI, Urinary tract
DOC for bacteremia - Ampicillin/Penicillin if S
If, Ampi R - Vanco/Teico
Combination therapy in case of suspicion of endocarditis or septic shock
2/6
1. Skin test - Is done to identify hypersensitivity - which can be IgE or Non IgE mediated. Hence, sensitivity can be seen within 1h (IgE mediated) or >1h (Non-IgE mediated)
So, no guarantee that a patient with skin test negative will not have hypersensitivity later