TABLE 1.

Origin and characteristics of multiresistant P. aeruginosa strains isolated from patients admitted to Erasme Hospital ICU and the ICU environment, July to December 2002

Origina	Isolation date (mmddyy)	Source	Resistant or intermediately susceptibleb to:	Serotype	PFGE type	AFLP typec
P1	090702	Skin	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	A
P2	110702	Rectal swab	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	A1	A
P4	180702	Sputum	PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	A1	A
P5	220702	Rectal swab	TIM, PIP, TZP, ATM, FEP, MEM, IPM, GEN, TOB, CIP	11	A1	A
P6	240702	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	A
P7	250702	Peritoneal fluid	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	A
P8	290702	Urine	PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	A1	ND
P9	010802	Wound	PIP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	A1	A
P10	050802	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	ND
P11	050802	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	ND
P12	120802	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	A
P13	130802	Sputum	TIM, PIP, TZP, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	ND
P14	180802	Rectal swab	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	01	A1	A
P15	190802	Rectal swab	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	01	A1	A
P16	210802	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	K1	A
P17	270802	Rectal swab	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	K1	A
P18	160902	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	ND
P19	101202	Sputum	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	ND
E1	070802	Sink drain ICU5	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	06	C1	C
E3	070802	Tap ICU5	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	06	C1	C
E4	070802	Sink drain ICU5	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, CIP	11	A1	A
H1	040902	Nurse's hands	TIM, PIP, TZP, ATM, CAZ, FEP, MEM, IPM, GEN, TOB, AMK, CIP	11	A1	ND

^aP, patient; E, environment; H, health care worker.

^bAntibiotic codes: TIM, ticarcillin/clavulanic acid; PIP, piperacillin; TZP, piperacillin/tazobactam; ATM, aztreonam; CAZ, ceftazidime; FEP, cefepime; MEM, meropenem; IPM, imipenem; GEN, gentamicin; TOB, tobramycin; AMK, amikacin; CIP, ciprofloxacin; COL, colistin.

^cND, not done.