Table I.

Regimens of prophylactic treatment with antibiotics.

Group	Prophylactic Antibiotics	No. of patients (n = 69)
Group 1	Piperacillin/tazobactam+teicoplanin	6
	Piperacillin/tazobactam+linezolid	6
	Piperacillin/tazobactam+daptomycin	6
	Piperacillin/tazobactam+vancomycin	4
	Imipenem/cilastatin+teicoplanin	1
Group 2	Piperacillin/tazobactam	32
	Cefoperazone/sulbactam	2
	Meropenem	2
	Imipenem/cilastatin	2
	Piperacillin/tazobactam+moxifloxacin	2
	Cefoperazone/sulbactam+moxifloxacin	1
	Cefmetazole	1
	Cefuroxime	1
	Amoxicillin/clavulanic acid	1
	Moxifloxacin	1
	Cefatriaxone	1