. Author manuscript; available in PMC: 2015 Mar 25.

Published in final edited form as: Ann Surg Oncol. 2014 Aug 6;21(10):3240–3248. doi: 10.1245/s10434-014-3918-9

Table 3.

Details of surgical site infections per operated side within one year of index operation (includes only SSI cases that occurred before a secondary operation such as tissue expander/ implant exchange).

Pt #	SSI side	POD of SSI onset	Severity of SSI	# of Drains on side of SSI		Study Bulb Fluid Culture Results at “One Week (POD 6-10) and at Drain Removal	POD of Drain Removal and Study Tubing Culture Results	Clinical Culture Results & Comments
Pt #	SSI side	POD of SSI onset	Severity of SSI	Mastx	Axillary		POD of Drain Removal and Study Tubing Culture Results	Clinical Culture Results & Comments

1	Control	POD 12	Cellulitis	1	0	One week: 1+ CoNS	POD9: >100 CFU CoNS	Not obtained; seen at outside hospital

2	Control	POD 14	Cellulitis	2	0	One week: No growth either drain POD14: Mastx Drain1 No growth POD17: Mastx Drain2 No growth	POD14: Mastx Drain1 18 CFU CoNS POD17: Mastx Drain2 1 CFU CoNS	Not obtained; cellulitis only

3	Control	POD 14	Cellulitis	2	0	One week: Mastx Drain 1 1 + Stomatococcus mucilaginosus VGS with unknown quantification	Cultures missed due to protocol deviation	Not obtained; cellulitis only
3	Control	POD 14	Cellulitis	2	0	One week: Mastx Drain 2 Broth only GPB (not Clostridium or Propionibacterium species)	Cultures missed due to protocol deviation	Not obtained; cellulitis only

4	Control	POD 30	Deep SSI requiring TE removal	2	0	One week: No growth either drain
						POD26: Mastx Drain1 4+ Pseudomonas stutzeri 1+ CoNS	POD26: Mastx Drain1 51–100 CFU GPB Mycobacterium fortuitum with unknown quantification	POD30 abscess fluid M fortuitum
						POD29: Mastx Drain2 4+ Pseudomonas stutzeri 4+ Acinetobacter species 2+ Enterococcus species	POD29: Mastx Drain2 No growth	POD42 TE explant M fortuitum

5	Antisepsis	POD 34	Cellulitis	1	0	N/A – Patient's drain fell out	N/A – Patient's drain fell out	Not obtained; cellulitis only

6	Antisepsis	POD 89	Deep SSI requiring TE removal	2	1	POD4: Mastx Drain1 No growth One week: No growth Mastx Drain2 or Axillary Drain POD23: Mastx Drain2 No growth POD29: Axillary Drain No growth	POD4: Mastx Drain1 No growth POD23: Mastx Drain2 No growth POD29: Axillary Drain No growth	POD89 Cultures: 2+ MSSA (breast swab) 3+ MSSA (breast tissue) 1+ MSSA (deep breast tissue)

7	Antisepsis	POD 165	Deep SSI requiring TE removal	2	0	One week (POD7): No growth either drain	POD7: Mastx Drain2 No growth	Not obtained
7	Antisepsis	POD 165	Deep SSI requiring TE removal	2	0	POD9: Mastx Drain1 1 + Propionibacterium acnes	POD9: Mastx Drain1 No growth	Not obtained

7	Control	POD 165	Deep SSI requiring TE removal	2	1	One week (POD7): No growth any drain POD13: Axillary drain 2+ VGS 1+ CoNS POD16: Mastx Drain2 1+ CoNS 1+ Staphylococcus pasteuri 1+ Citrobacter freundii complex 1+ GPB	POD7: Mastx Drain1 1 CFU nonsporeforming GPB 1 CFU Streptococcus mitis POD13: Axillary drain No growth POD16: Mastx Drain2 No growth	Not obtained; SSI occurred after PMRT

8	Control	POD 230	Deep SSI requiring TE removal	1	0	One week: 1+ VGS POD22: Mastx Drain 3+ Enterococcus species 2+ Corynebacterium species 2+ Staphylococcus haemolyticus 1+ Acinetobacter species	POD22: Mastx Drain No growth	POD231: Breast swab No growth POD232: Breast fluid 1 colony MSSA Breast capsule 1 colony MSSA SSI occurred after PMRT

Abbreviations: CoNS—coagulase-negative Staphylococcus species; GPB—gram-positive bacillus; Mastx—mastectomy; MSSA-methicillin sensitive Staphylococcus aureus; PMRT—post-mastectomy radiotherapy; POD—postoperative day; SSI – surgical site infection, VGS–viridans group Streptococcus species