Table 1 Baseline characteristics of included studies.

From: Regional antibiotic delivery for sternal wound infection prophylaxis a systematic review and meta-analysis of randomized controlled trials

Study**

 

N of pts

Topical vancomycin

Infection assessment*

Follow-up

Risk of bias

Vancomycin-based RAD

Blinding

    

Basha et al.15

Yes

126

Paste (2.5 g powdered vancomycin mixed with 3 mL normal saline)

NR

6 months

Serious/Critical

Maldonado et al.16

Yes

52

Paste (1 g powdered vancomycin mixed with physiologic solution)

Chest CT at 4, 8, and 12 weeks post-operatively

12 weeks

High

Mohsin Mahmood et al.17

No

180

1 g vancomycin powder applied on sternal edges

NR

6 weeks

High

Pervaiz et al.18

Yes

276

Solution (2 g vancomycin in 50 ml normal saline)

SSWI-limited to the subcuticular & subcutaneous layers; DSWI-involved the sternal bone or wires and collections beneath the sternum,

1 year

Serious/Critical

Servito et al. [SWI]5

Yes

1037

Sponge soaked in 5 g vanco-mycin powder dissolved in 50 mL sterile water

Types of SWI: superficial, deep, organ space surgical site infections

1 year

Serious/Critical

Shah SJ et al.19

No

100

Paste (1 g vancomycin mixed with 5 ml normal saline)

NR

1 month

Serious/Critical

Vander Salm et al.20

No

416

Paste (1 g of powdered absorbable gelatin mixed with topical thrombin (1000 units/mL); and 250 mg powdered vancomycin

DSWI: sternal or mediastinal infections always necessitating a major operation; SSWIs: no sternal involvement

1 month

Low

Gentamycin-based RAD

Blinding

Topical gentamycin

   

Bennet-Guerrero et al. [SWIPE-1]21

Single-blind

1502

Gentamicin-collagen sponges (total gentamicin of 260 mg) between the sternal halves at surgical closure

standardized criteria from the Centers for Disease Control and Prevention and the ASEPSIS scoring system

3 months

High

Balkanay et al.22

Yes

100

Solution-absorbent sponges with 320 mg of gentamicin in 250 ml of an isotonic solution

NR

1 month

High

Eklund et al.23

No

542

gentamicin-collagen implant (130 mg gentamicin and 280 mg collagen)

monitored daily for fever, wound discharge and other evidence of wound infection by cardiac surgeons during their hospital stay

3 months

High

Friberg et al. [LOGIP]24

Yes

2000

Collatamp-G sponge (280 mg collagen and 130 mg gentamicin—200 mg gentamicin sulfate)

Definitions of Centers of Disease Control and Prevention

2 months

Low

Schimmer et al.25

Yes

720

Sponge (2 mg gentamicin sulphate, equivalent to 1.10–1.43 mg gentamicin)

Definitions of Centers of Disease Control and Prevention

1 month

Low

Schimmer et al.26

NR

668

Genta-Coll resorb sponge

NR

3 month

High

  1. CT, computed tomography; UMR, uni-and multivariable regression; PSM, propensity score matching; PRP, platelet rich plasma; DSWI, deep sternal wound infection; SSWI, superficial sternal wound infection; NR, not reported.
  2. *El Oakley RM, Wright JE. Postoperative mediastinitis: classification and management. Ann Thorac Surg. 1996 Mar; 61(3):1030–6.
  3. **Studies with updates; most inclusive data was considered for meta-analysis.