LACTB and peritonitis: Antimicrobial treatment plays an important role in the management of peritonitis, but the rapid spread of multi-drug resistant bacteria like E. faecium, Methicillin-resistant Staphylococcus aureus (MRSA), Vancomycin resistant Enterococci (VRE) or Enterobacteriacae with Extended Spectrum Beta-Lactamase, has become a serious threat, especially in critical care medicine14,16,30–32.