Table 5

Amoeba-Resisting Bacteria and Ventilator-Associated Pneumonia

Bernard La Scola*, Ioanna Boyadjiev*†, Gilbert Greub*, Atieh Khamis*, Claude Martin†, and Didier Raoult*†

Author affiliations: *Unité des Rickettsies, Marseille, France; †Hôpital Nord, Marseille, France

Antibody titers of 12 serum samples with seroconversion to at least one of the bacteria isolated in the intensive care unit^a

Case	Wk of sampling	Bosea massiliensis		Legionella anisa		L. quinlivanii		Afipia broomeae
Case	Wk of sampling	IgG	IgM	IgG	IgM	IgG	IgM	IgG	IgM
1^a	1			<1:50	<1:25
	4			1:50	1:100
	7			1:800	1:50
2 ^a	1	<1:50	<1:25
	3	1:400	1:100
7	1			<1:50	<1:25
	3			<1:50	1:200
8	1					<1:50	<1:25
	3					1:200	1:800
9	1	<1:50	<1:25	<1:50	<1:25
	3	1:400	1:50	1:50	1:400
	5	1:50	1:25	1:800	1:50
11	1	<1:50	<1:25
	5	1:50	1:50
12	1			<1:50	<1:25
	3			1:400	1:50
13	1							<1:50	<1:25
	3							1:50	<1:25
	5							1:100	<1:25
	7							1:200	<1:25
19	1			<1:50	<1:25
	3			1:400	<1:25
22	1	<1:50	<1:25
	3	1:200	1:50
23	1	<1:50	<1:25
	5	1:400	1:25
28	1	<1:50	<1:25
	3	1:400	1:25
	5	1:200	1:25

^aPatients with positive PCR results in bronchoalveolar lavage samples (patient 1, L. anisa; Patient 2, B. massiliensis); Ig, immunoglobulin. All patients were sampled at admission (wk 1); titers in bold are those greater than or equal to defined cutoff titers (Table 4).

Main Article

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Volume 9, Number 7—July 2003

Research

Amoeba-Resisting Bacteria and Ventilator-Associated Pneumonia

Table 5