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. 2024 Apr 26:17:1615-1623.
doi: 10.2147/IDR.S457991. eCollection 2024.

Nosocomial Infections After Pediatric Congenital Heart Disease Surgery: Data from National Center for Cardiovascular Diseases in China

Xiaofeng Wang #  1   2 , Shuo Li #  3 , Da Huo #  4 , Zhiyuan Zhu #  1   2 , Wenlong Wang  1   2 , Hongxia He  1   2 , Qian Zhang  1   2 , Jiantao Li  2   5 , Xu Wang  1   2
Affiliations

Nosocomial Infections After Pediatric Congenital Heart Disease Surgery: Data from National Center for Cardiovascular Diseases in China

Xiaofeng Wang et al. Infect Drug Resist. .

Abstract

Purpose: Infection prevention and control (IPC) has a significant impact on the prognosis after pediatric cardiac surgery. This study aimed to provide surveillance data on the incidence and density of various infections during the COVID-19 epidemic and explore the influence of multi-drug resistant organisms (MDRO) on in-hospital prognosis after congenital heart disease surgery.

Methods: This single-center retrospective study included pediatric patients who underwent cardiac surgery between 2021 and 2022. The results of the postoperative bacterial and fungal cultures and antimicrobial stewardship were collected. The demographic characteristics (age and weight), operation-related parameters (RACHS-1 grade, duration of cardiopulmonary bypass, and aortic cross clamp), and surgical outcomes (extracorporeal membrane oxygenation, delayed sternal closure, mortality, duration of mechanical ventilation, length of intensive care unit stay and hospital stay, and hospitalization costs) of MDRO and non-MDRO patients were compared.

Results: A total of 4776 patients were included. There were 101 infectious culture results after the operation, with a nosocomial infection rate of 2.1%. There were 40 MDRO specimens from 36 patients, 50 non-MDRO specimens from 30 patients, and 11 fungal specimens from 10 patients. The incidence of pneumonia was 1.5%, with a ventilator-associated pneumonia incidence density of 7.2/1000 patient-days. The incidence of sepsis was 0.4%, with a catheter-related bloodstream infection incidence density of 0.24/ 1000 patient-days. The incidence density of catheter-associated tract infection was 0.45/ 1000 patient-days. The incidence of surgical site infection was 0.06%. The culture proportion before commencing antibiotics was 93% and the antibiotic consumption intensity was 30.7 DDD/100 bed-days. The length of intensive care unit stay in MDRO infection patients increased compared with that in non-MDRO infection patients, 30 (18,52) vs 17 (7,62) days, p=0.05).

Conclusion: The IPC performance of Fuwai Hospital achieved satisfactory results. MDRO infection can lead to prolonged intensive care unit stay.

Keywords: multidrug-resistant organism; nosocomial infections; pediatric cardiac surgery; surgical outcomes.

Plain language summary

Developed countries have advanced infection prevention and control systems and comprehensive postoperative infection monitoring data for congenital heart disease. While developing countries have initiated efforts in infection prevention and control, global attention remains substantial. This study aimed to provide comprehensive infection surveillance data and identify possible implementation for further improvement in the National Center for Cardiovascular Diseases in China (Fuwai Hospital). This was a retrospective single-center study. We included pediatric patients who underwent cardiac surgery at a pediatric surgical center between 2021 and 2022, with an age limit of 14 years. Exclusion criteria included patients undergoing medical therapy, interventional therapy, or surgical therapy in other centers in Fuwai Hospital. This study, for the first time, reports the incidence of comprehensive healthcare-associated infection surveillance and targeted surveillance (encompassing device-associated infection, surgical site infection, and multi-drug resistant organisms) after pediatric cardiac surgery at the National Center for Cardiovascular Diseases in China. In addition, we report the data on antimicrobial stewardship. We compared the surgical outcome and hospitalization costs between patients with multi-drug resistant organism infection and those without multi-drug resistant organism infection and found that multi-drug resistant organism infection can lead to prolonged intensive care unit length of stay. The Fuwai Hospital achieved satisfactory infection prevention and control results. However, because China is a large developing country exhibiting notable variations in medical conditions across its diverse regions, prospective, multicenter, observational studies should be carried out for future research based on existing evidence.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as potential conflicts of interest. This paper has been uploaded to SSRN as a preprint (https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4657436). This paper is not currently under consideration with any other journal or publisher.

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