Journal
CANCERS
Volume 13, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/cancers13092109
Keywords
head and neck surgery; reconstructive surgery; free flaps; healthcare-associated infections; surgical site infection; antibiotic prophylaxis; resistant microorganisms; osteoradionecrosis
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Healthcare-associated infections (HAIs) are common after head and neck free-flap reconstruction surgery, leading to increased postoperative complications and risks, with important factors including previous radiotherapy, anaemia, and surgical duration. The infections often caused by resistant microorganisms, play a significant role in cancer prognosis by delaying adjuvant therapy.
Simple Summary Healthcare-associated infections (HAIs) result in an increased morbidity and a delay in adjuvant therapy-thus increasing the cancer recurrence rates-in patients undergoing oncological microvascular head and neck reconstruction. HAIs also result in a cost increase for the Health System. We prospectively analysed the incidence, clinical characteristics, risk factors and impacts of these infections in 65 patients undergoing head and neck free-flap reconstruction in three third-level university hospitals in Madrid (Spain). The three of them implemented the same antibiotic prophylactic regimen for surgical interventions. The rate of HAIs was 61.54%. The following complications were significantly more frequent in patients with HAIs: need to reoperate (p = 0.009), duration of hospital admission (p < 0.001) and delay in starting radiotherapy (p = 0.009). This manuscript aims to point out the importance of preventing HAIs in head and neck cancer patients, as they have shown a higher risk of postoperative complications. (1) Background: Healthcare-associated infections (HAIs) after head and neck free-flap reconstruction are a common postoperative complication. Risk factors for HAIs in this context and their consequences have not been adequately described. (2) Methods: Ongoing prospective multicentre study between 02/2019 and 12/2020. Demographic characteristics and outcomes were analysed, focusing on infections. (3) Results: Forty out of 65 patients (61.54%) suffered HAIs (surgical site infection: 52.18%, nosocomial pneumonia: 23.20%, bloodstream infection: 13% and urinary tract infection: 5.80%). Methicillin-resistant Staphylococcus aureus (MRSA) and resistant Pseudomonas aeruginosa, Klebsiella pneumoniae and Enterobacter cloacae were the most frequently implicated. The significant risk factors for infection were: previous radiotherapy (Odds ratio (OR): 5.42; 95% confidence interval (CI), 1.39-21.10), anaemia (OR: 8.00; 95% CI, 0.96-66.95), salvage surgery (eight out of eight patients), tracheostomy (OR: 2.86; 95% CI, 1.01-8.14), surgery duration (OR: 1.01; 95% CI, 1.00-1.02), microvascular reoperation <72 h (eight/eight) and flap loss (eight/eight). The major surgical complications were: a need to reoperate (OR: 6.89; 95% CI, 1.42-33.51), prolonged hospital admission (OR: 1.16; 95% CI, 1.06-1.27) and delay in the initiation of postoperative radiotherapy (OR: 9.07; 95% CI, 1.72-47.67). The sixth month mortality rate in patients with HAIs was 7.69% vs. 0% in patients without HAIs (p = 0.50). (4) Conclusions: HAIs were common after this type of surgery, many of them caused by resistant microorganisms. Some modifiable risk factors were identified. Infections played a role in cancer prognosis by delaying adjuvant therapy.
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