Research Article

Control of a Clonal Outbreak of Multidrug-Resistant Acinetobacter baumannii in a Hospital of the Basque Country after the Introduction of Environmental Cleaning Led by the Systematic Sampling from Environmental Objects

Table 2

Number of new cases, environmental isolates in rooms, and environmental isolates in common areas after introducing systematic sampling from environmental objects, during the second part of the outbreak.

Epidemiological weeks (2010)
1011121314151617181920212223242526272829303132333435363738

Number of new cases
 Infected cases1 01 0002 4 1 1 1 0000002 0001 0001 1 00
 Carriers01 0001 0001 01 1 1 1 1 1 00001 1 000000

Number of environmental isolates in rooms
 Bed frames4 001 02 01 01 0000000000
 Monitors and infusion pumps4 1 01 02 00001 0000001 00
 Push button of automatic doors000001 00001 000000000
 Washbasins and taps000001 00001 000001 000
 Other objects and surfaces11 2
 Total of positive isolates in rooms810206010130000021020

Number of environmental isolates in common areas
 High drawer chests001 1 1 01 001 000000001 1 000000
 Handles, counter tops and nurse station desk1 001 1 00000000000001 0000000
 Automated medication dispensing system1 02 1 1 00000000000001 001 1 000
 Washbasins and taps00000000000000000000000000
 Other objects and surfaces21 1 1 1 1
 Total of positive isolates in common areas30333010020100000041012000

Environmental isolates obtained from triple infusion pump (31th week), hypothermia machine (2 positive samples at 35th week).
Environmental isolates obtained from hypothermia machine (11th, 24th, 31th, and 35th weeks), chair (22th week).
Italic font when the number of positives was equal to or greater than 1, for a better comprehension.