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Mortality Associated With Surgical Site Infections Following Cardiac Surgery: Insights From the International Id-Iri Study Publisher



Erdem H1, 2 ; Ankarali H3 ; Altawfiq JA4, 5 ; Angamuthu K6 ; Piljic D7 ; Umihanic A7 ; Dayyab F2 ; Karamanlioglu D8 ; Pekok AU9 ; Caglasonmezer M10 ; Elkholy A11 ; Gad MA11 ; Velicki L12 ; Akyildiz O13 Show All Authors
Authors
  1. Erdem H1, 2
  2. Ankarali H3
  3. Altawfiq JA4, 5
  4. Angamuthu K6
  5. Piljic D7
  6. Umihanic A7
  7. Dayyab F2
  8. Karamanlioglu D8
  9. Pekok AU9
  10. Caglasonmezer M10
  11. Elkholy A11
  12. Gad MA11
  13. Velicki L12
  14. Akyildiz O13
  15. Altindis M14
  16. Baskolelik D15
  17. Erturksengel B16
  18. Kara I17
  19. Kahraman U18
  20. Ozdemir M19
  21. Caskurlu H20
  22. Cag Y20
  23. Alkhalifa A7
  24. Hakamifard A21, 22
  25. Batinjan MKG12
  26. Tahir M23
  27. Tukenmeztigen E16
  28. Zajkowska J24
  29. Elkholy J25
  30. Gasparovic H26
  31. Filiz M1
  32. Gul O27
  33. Tehrani HA28
  34. Doyukkartal E29
  35. Aybarbilir Y8
  36. Kahraman H29
  37. Mikulic H30
  38. Dayan S31
  39. Cascio A32
  40. Yurdakul ES33
  41. Colkesen F34
  42. Karahangil K35
  43. Espinosa A2
  44. Rahimi BA36
  45. Vangel Z37
  46. Fasciana T38
  47. Giammanco A38

Source: IJID Regions Published:2025


Abstract

Objectives: Surgical site infections (SSIs) after cardiac surgery increase morbidity and mortality rates. This multicenter study aimed to identify mortality risk factors associated with SSIs after heart surgery. Methods: Conducted from January to March 2023, this prospective study included 167 patients aged >16 years with post-heart surgery SSIs. The primary focus was the 30-day mortality. Univariate analysis and multivariate logistic regression utilizing the backward elimination method were used to establish the final model. Results: Several factors significantly correlated with mortality. These included urinary catheterization (odds ratio [OR] 14.197; 90% confidence interval [CI] 12.198-91.721]), emergent surgery (OR 8.470 [90% CI 2.028-35.379]), valvular replacement (OR 4.487 [90% CI 1.001-20.627]), higher quick Sequential Organ Failure Assessment scores (OR 3.147 [90% CI 1.450-6.827]), advanced age (OR 1.075 [90% CI 1.020-1.132]), and postoperative re-interventions within 30 days after SSI (OR 14.832 [90% CI 2.684-81.972]). No pathogens were isolated from the wound cultures of 53 (31.7%) patients. A total of 43.1% of SSIs (n = 72) were due to gram-positive microorganisms, whereas 27.5% of cases (n = 46) involved gram-negatives. Among the gram-positive bacteria, Staphylococci (n = 30, 17.9%) were the predominant microorganisms, whereas Klebsiella (n = 16, 9.6%), Escherichia coli (n = 9, 5.4%), and Pseudomonas aeruginosa (n = 7, 4.2%) were the most prevalent. Conclusions: To mitigate mortality after heart surgery, stringent infection control measures and effective surgical antisepsis are crucial, particularly, in the elderly. The clinical progression of the disease is reflected by the quick Sequential Organ Failure Assessment score and patient re-intervention, and effective treatment is another essential component of SSI management. © 2025 The Authors
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