A rare case of severe gastroenteritis caused by Aeromonas hydrophila after colectomy in a patient with anti-Hu syndrome: a case report

Table 2 Antimicrobial susceptibility testing of the A. hydrophila strain

Antimicrobial agent	Disk content (µg)	Zone diameter (mm)	Interpretive categories and zone diameter breakpoints^a (mm)			Interpretation
Antimicrobial agent	Disk content (µg)	Zone diameter (mm)	S	I	R	Interpretation
Ampicillin	10	6	n.a	n.a	n.a	Resistant
Amoxicillin-clavulanate	20/10	12	n.a	n.a	n.a	Resistant
Piperacillin-tazobactam	100/10	23	≥ 21	18–20	≤ 17	Susceptible
Ceftriaxone	30	37	≥ 23	20–22	≤ 19	Susceptible
Cefepime	30	33	≥ 25	19–24	≤ 18	Susceptible
Meropenem	10	27	≥ 23	20–22	≤ 19	Susceptible
Nalidixic acid	30	31	n.a	n.a	n.a	Susceptible
Trimethoprim-sulfamethoxazole	1.25/23.75	22	≥ 16	11–15	≤ 10	Susceptible
Amikacin	30	21	≥ 17	15–16	≤ 14	Susceptible

S susceptible, I intermediate, R resistant, n.a. not available
^aAccording to Clinical and Laboratory Standards Institute guidelines, M45 3rd edition

ISSN: 1471-2334