TABLE 6.

Susceptibility to other antimicrobial agent classes according to the type of ESBL produced

Enzyme(s) producedNo. of isolates susceptible to indicated drug(s)/total no. tested (%)
Piperacillin-tazobactamGentamicinTMP-SMXbFluoroquinolones
CTX-M-1525/32 (78)12/32 (38)13/32 (41)4/32 (13)
CTX-M-165/71/70/71/7
CTX-M-83/43/42/42/4
CTX-M-140/20/20/20/2
SHV-1213/17 (76)2/17 (12)0/17 (0)7/17 (42)
SHV-56/96/93/94/9
SHV-22/82/81/82/8
TEM-151/10/10/10/1
TEM-101/10/10/10/1
CTX-M-15 + SHVa1/72/71/71/7
  • a SHV enzymes included are SHV-2, -5, -11, and -12.

  • b TMP-SMX, trimethoprim-sulfamethoxazole.