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AlRiyami FM, AL-Rawajfah OM, Al Sabei S, Al Sabti HA. Incidence and risk factors of surgical site infections after coronary artery bypass grafting surgery in Oman. J Infect Prev 2022; 23:285-292. [PMID: 36277861 PMCID: PMC9583440 DOI: 10.1177/17571774221127553] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 06/13/2022] [Indexed: 10/31/2023] Open
Abstract
Background There is limited information about the incidence and risk factors of surgical site infections (SSIs) after coronary artery bypass (CABG) surgeries in the Omani population. Aim To estimate the prevalence and describe possible risk factors of SSIs after CABG surgeries in Oman. Method A retrospective nested case-control design was used to screen 596 patients who underwent CABG surgeries over 2 years (2016-2017) in two tertiary hospitals in Oman. The CDC definition for SSIs was used to identify the infected cases. Results Prevalence rate of SSIs was 17.4% and 17.5% in 2016 and 2017, respectively. The most isolated microorganism was Gram-positive bacteria (45.2%). Risk factors of SSIs include female gender (OR = 3.2, p < 0.001), diabetes (OR = 5.83, p < 0.001), overweight or obese (OR = 2.14, p < 0.05) and shaving technique [using razor shaving] (OR = 8.4, p < 0.001). Readmission rate for the case group was 44.2%. Conclusion The infection rate of SSIs after CABG surgeries in developing countries, such as Oman, is considerably high. There is an urgent need to establish SSIs preventive program at the national level. Frequent and systematic assessment of infection control practices before and after CABG surgeries is fundamental and priority strategy to prevent SSIs.
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Affiliation(s)
- Fatma M AlRiyami
- Cardiothoracic Unit, Sultan Qaboos University
Hospital, Muscat, Oman
| | - Omar M AL-Rawajfah
- College of Nursing, Adult and
Critical Care Department, Sultan Qaboos
University, Muscat, Oman
- Faculty of Nursing, Adult
Department, Al Al-Bayt University, Jordan
| | - Sulaiman Al Sabei
- College of Nursing, Department of
Fundamental and Nursing Administration, Sultan Qaboos
University, Muscat, Oman
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Crape BL, Gusmanov A, Orazumbekova B, Davtyan K. Higher Surgery and Recovery Room Air Pressures Associated with Reduced Surgical Site Infection Risk. World J Surg 2021; 45:1088-1095. [PMID: 33452563 DOI: 10.1007/s00268-020-05932-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/27/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Incisional surgical site infections (SSIs) following coronary artery bypass grafting (CABG) prolong hospital stays, elevate healthcare costs and increase likelihood of further complications. High air pressure deactivates bacteria and is utilized for commercial food preservation, assuring microbiologically safe pharmaceuticals and sanitizing instruments. However, research on utilizing air pressure deactivation thresholds in surgical and postoperative rooms to reduce rates of SSIs is lacking. METHODS A case-control study of 801 CABG patients, 128 SSI cases and 673 controls was conducted from January 1, 2006 through March 31, 2009 in Yerevan, Armenia. Patient and surgery characteristics, air pressure measurements and seasons were selected as independent variables with SSI rates as the outcome. The novel threshold regression analysis was used to determine potential air pressure bacterial deactivation thresholds. A final multivariate logistic regression model adjusted for confounders. RESULTS Overall, bacterial deactivation air pressure threshold was 694.2 mmHg, with the presence of infection for higher air pressure values not statistically significant from zero. Individual deactivation thresholds for Staphylococcus epidermidis (threshold = 694.2 mmHg) and Escherichia coli (threshold = 689.2) showed similar patterns. Multivariate logistic regression showed air pressure above the deactivation threshold was highly protective against SSIs with adjOR = 0.27 (p-value = 0.009, 95%CI: 0.10-0.72). Other SSI risk factors included female sex, adjOR = 2.12 (p-value = 0.006, 95%CI: 1.24-3.62), diabetes, adjOR = 2.61 (p-value < 0.001, 95%CI: 1.72-3.96) and longer time on ventilator, adjOdds = 1.01 (p-value = 0.012, 95%CI: 1.00-1.02). CONCLUSION Maintaining air pressures in operating and postoperative rooms exceeding bacterial-deactivation thresholds might substantially reduce SSI rates following surgery. Further research should identify specific bacterial-deactivation air pressure thresholds in surgical and postoperative rooms to reduce SSI rates, especially for drug-resistant bacteria.
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Affiliation(s)
- Byron L Crape
- School of Medicine, Nazarbayev University, 5/1 Kerei, Zhanibek Khans Avenue, office #453, Nursultan, 010000, Kazakhstan.
| | - Arnur Gusmanov
- School of Medicine, Nazarbayev University, 5/1 Kerei, Zhanibek Khans Avenue, Nursultan, 010000, Kazakhstan
| | - Binur Orazumbekova
- School of Medicine, Nazarbayev University, 5/1 Kerei, Zhanibek Khans Avenue, Nursultan, 010000, Kazakhstan
| | - Karapet Davtyan
- Tuberculosis Research and Prevention Center NGO, 6/2 Adonts Str, Suite 115, 0014, Yerevan, Armenia
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Bustamante-Munguira J, Herrera-Gómez F, Ruiz-Álvarez M, Figuerola-Tejerina A, Hernández-Aceituno A. A New Surgical Site Infection Risk Score: Infection Risk Index in Cardiac Surgery. J Clin Med 2019; 8:jcm8040480. [PMID: 30970636 PMCID: PMC6517895 DOI: 10.3390/jcm8040480] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 04/03/2019] [Accepted: 04/04/2019] [Indexed: 11/24/2022] Open
Abstract
Various scoring systems attempt to predict the risk of surgical site infection (SSI) after cardiac surgery, but their discrimination is limited. Our aim was to analyze all SSI risk factors in both coronary artery bypass graft (CABG) and valve replacement patients in order to create a new SSI risk score for such individuals. A priori prospective collected data on patients that underwent cardiac surgery (n = 2020) were analyzed following recommendations from the Reporting of studies Conducted using Observational Routinely collected health Data (RECORD) group. Study participants were divided into two periods: the training sample for defining the new tool (2010–2014, n = 1298), and the test sample for its validation (2015–2017, n = 722). In logistic regression, two preoperative variables were significantly associated with SSI (odds ratio (OR) and 95% confidence interval (CI)): diabetes, 3.3/2–5.7; and obesity, 4.5/2.2–9.3. The new score was constructed using a summation system for punctuation using integer numbers, that is, by assigning one point to the presence of either diabetes or obesity. The tool performed better in terms of assessing SSI risk in the test sample (area under the Receiver-Operating Characteristic curve (aROC) and 95% CI, 0.67/055–0.76) compared to the National Nosocomial Infections Surveillance (NNIS) risk index (0.61/0.50–0.71) and the Australian Clinical Risk Index (ACRI) (0.61/0.50–0.72). A new two-variable score to preoperative SSI risk stratification of cardiac surgery patients, named Infection Risk Index in Cardiac surgery (IRIC), which outperforms other classical scores, is now available to surgeons. Personalization of treatment for cardiac surgery patients is needed.
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Affiliation(s)
| | - Francisco Herrera-Gómez
- Anatomy and Radiology, Pharmacology and Therapeutics, Faculty of Medicine, University of Valladolid,47003 Valladolid, Spain.
- Nephrology, Hospital Virgen de la Concha, 49022 Zamora, Spain.
| | - Miguel Ruiz-Álvarez
- Prevention and Control of Infection, Hospital Universitario de La Princesa, 28006 Madrid, Spain.
| | | | - Ana Hernández-Aceituno
- Prevention and Control of Infection, Hospital Universitario de La Princesa, 28006 Madrid, Spain.
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Population Pharmacokinetic Model for Vancomycin Used in Open Heart Surgery: Model-Based Evaluation of Standard Dosing Regimens. Antimicrob Agents Chemother 2018; 62:AAC.00088-18. [PMID: 29686154 DOI: 10.1128/aac.00088-18] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 04/17/2018] [Indexed: 01/05/2023] Open
Abstract
The purpose of this study was to investigate the population pharmacokinetics of vancomycin in patients undergoing open heart surgery. In this observational pharmacokinetic study, multiple blood samples were drawn over a 48-h period of intravenous vancomycin in patients who were undergoing open heart surgery. Blood samples were analyzed using an Architect i4000SR immunoassay analyzer. Population pharmacokinetic models were developed using Monolix 4.4 software. Pharmacokinetic-pharmacodynamic (PK-PD) simulations were performed to explore the ability of different dosage regimens to achieve the pharmacodynamic targets. A total of 168 blood samples were analyzed from 28 patients. The pharmacokinetics of vancomycin are best described by a two-compartment model with between-subject variability in clearance (CL), the volume of distribution of the central compartment (V1), and volume of distribution of the peripheral compartment (V2). The CL and the V1 of vancomycin were related to creatinine CL (CLCR), body weight, and albumin concentration. Dosing simulations showed that standard dosing regimens of 1 and 1.5 g failed to achieve the PK-PD target of AUC0-24/MIC > 400 for an MIC of 1 mg/liter, while high weight-based dosing regimens were able to achieve the PK-PD target. In summary, the administration of standard doses of 1 and 1.5 g of vancomycin two times daily provided inadequate antibiotic prophylaxis in patients undergoing open heart surgery. The same findings were obtained when 15- and 20-mg/kg doses of vancomycin were administered. Achieving the PK-PD target required higher doses (25 and 30 mg/kg) of vancomycin.
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Population Pharmacokinetic Model-Based Evaluation of Standard Dosing Regimens for Cefuroxime Used in Coronary Artery Bypass Graft Surgery with Cardiopulmonary Bypass. Antimicrob Agents Chemother 2018; 62:AAC.02241-17. [PMID: 29358296 DOI: 10.1128/aac.02241-17] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 01/09/2018] [Indexed: 11/20/2022] Open
Abstract
The purpose of this study was to investigate the population pharmacokinetics (PK) of cefuroxime in patients undergoing coronary artery bypass graft (CABG) surgery. In this observational pharmacokinetic study, multiple blood samples were collected over a 48-h interval of intravenous cefuroxime administration. The samples were analyzed by using a validated high-performance liquid chromatography (HPLC) method. Population pharmacokinetic models were developed using Monolix (version 4.4) software. Pharmacokinetic-pharmacodynamic (PD) simulations were performed to explore the ability of different dosage regimens to achieve the pharmacodynamic targets. A total of 468 blood samples from 78 patients were analyzed. The PK for cefuroxime were best described by a two-compartment model with between-subject variability on clearance, the volume of distribution of the central compartment, and the volume of distribution of the peripheral compartment. The clearance of cefuroxime was related to creatinine clearance (CLCR). Dosing simulations showed that standard dosing regimens of 1.5 g could achieve the PK-PD target of the percentage of the time that the free concentration is maintained above the MIC during a dosing interval (fTMIC) of 65% for an MIC of 8 mg/liter in patients with a CLCR of 30, 60, or 90 ml/min, whereas this dosing regimen failed to achieve the PK-PD target in patients with a CLCR of ≥125 ml/min. In conclusion, administration of standard doses of 1.5 g three times daily provided adequate antibiotic prophylaxis in patients undergoing CABG surgery. Lower doses failed to achieve the PK-PD target. Patients with high CLCR values required either higher doses or shorter intervals of cefuroxime dosing. On the other hand, lower doses (1 g three times daily) produced adequate target attainment for patients with low CLCR values (≤30 ml/min).
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Figuerola-Tejerina A, Bustamante E, Tamayo E, Mestres CA, Bustamante-Munguira J. Ability to predict the development of surgical site infection in cardiac surgery using the Australian Clinical Risk Index versus the National Nosocomial Infections Surveillance-derived Risk Index. Eur J Clin Microbiol Infect Dis 2017; 36:1041-1046. [PMID: 28105547 DOI: 10.1007/s10096-016-2889-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 12/22/2016] [Indexed: 12/01/2022]
Abstract
Surgical site infection (SSI) is a major infectious complication that increases mortality, morbidity, and healthcare costs. There are scores attempting to classify patients for calculating SSI risk. Our objectives were to validate the Australian Clinical Risk Index (ACRI) in a European population after cardiac surgery, comparing it against the National Nosocomial Infections Surveillance-derived risk index (NNIS) and analyzing the predictive power of ACRI for SSI in valvular patients. All the patients that who underwent cardiac surgery in a tertiary university hospital between 2011 and 2015 were analyzed. The patients were divided into valvular and coronary groups, excluding mixed patients. The ACRI score was validated in both groups and its ability to predict SSI was compared to the NNIS risk index. We analyzed 1,657 procedures. In the valvular patient group (n: 1119), a correlation between the ACRI score and SSI development (p < 0.05) was found; there was no such correlation with the NNIS index. The area under the receiver-operating characteristic curve (AUC) was 0.64 (confidence interval [CI] 95%, 0.5-0.7) for ACRI and 0.62 (95% CI, 0.5-0.7) for NNIS. In the coronary group (n: 281), there was a correlation between ACRI and SSI but no between NNIS and SSI. The ACRI AUC was 0.70 (95% CI, 0.5-0.8) and the NNIS AUC was 0.60 (95% CI, 0.4-0.7). The ACRI score has insufficient predictive power, although it predicts SSI development better than the NNIS index, fundamentally in coronary artery bypass grafting (CABG). Further studies analyzing determining factors are needed.
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Affiliation(s)
- A Figuerola-Tejerina
- Department of Prevention & Control of Infection, Hospital Universitario de La Princesa, Madrid, Spain
| | - E Bustamante
- Department of Critical Care, Hospital Can Misses, Balearic Island, Spain
| | - E Tamayo
- Department of Anesthesiology and Reanimation, Hospital Clinico Universitario de Valladolid, Valladolid, Spain
| | - C A Mestres
- Department of Cardiothoracic and Vascular Surgery, Heart & Vascular Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - J Bustamante-Munguira
- Department of Cardiovascular Surgery, Hospital Universitario de La Princesa, Madrid, 28006, Spain.
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Cutrell JB, Barros N, McBroom M, Luby J, Minhajuddin A, Ring WS, Greilich PE. Risk factors for deep sternal wound infection after cardiac surgery: Influence of red blood cell transfusions and chronic infection. Am J Infect Control 2016; 44:1302-1309. [PMID: 27179393 DOI: 10.1016/j.ajic.2016.03.027] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 03/28/2016] [Accepted: 03/28/2016] [Indexed: 01/08/2023]
Abstract
BACKGROUND Deep sternal wound infection (DSWI) following cardiac surgery is a serious complication, but risk factors associated with DSWI have not been fully elucidated. METHODS We analyzed all DSWI cases at our institution from 2010-2013 in adult cardiac median sternotomy cases, based on Society of Thoracic Surgeons or National Healthcare Safety Network definitions, but with 1-year surveillance postsurgery. Controls were matched 3:1 per case for procedure, age, and year of surgery. Demographic and operative data were pulled from Society of Thoracic Surgeons database and chart review. Potential variables were evaluated using univariate and multivariate conditional logistic regression. RESULTS Out of 1,894 surgeries performed, 39 DSWI cases (2%) and 117 controls were identified. In univariate analyses, patients with red blood cell (RBC) transfusion ≥ 4 units, any platelet transfusion, previous infections, and chronic infections were associated with higher DSWI. RBC transfusion ≥ 4 units (P = .037) and chronic infections (P = .029) remained significant risk factors for DSWI in multivariate analysis. Preoperative anemia alone was not associated with more DSWI, but its interaction with RBC transfusion ≥ 4 units was significant. CONCLUSIONS High-volume RBC transfusions and chronic infections were strongly associated with DSWI in our population and represent potentially modifiable areas for improvement.
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Vigilancia epidemiológica y factores de riesgo de infección de sitio quirúrgico en cirugía cardiaca: estudio de cohortes prospectivo. Rev Esp Cardiol 2016. [DOI: 10.1016/j.recesp.2016.01.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Luzurier Q, Le Guillou V, Lottin M, Vermeulin T, Marini H, Petel T, Czernichow P, Bessou JP, Bénichou J, Merle V. Is the Risk of Wound Infection Related to Bilateral Internal Thoracic Artery Graft Potentiated by Age? Ann Thorac Surg 2016; 102:1239-44. [PMID: 27234581 DOI: 10.1016/j.athoracsur.2016.03.068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Revised: 02/05/2016] [Accepted: 03/22/2016] [Indexed: 10/21/2022]
Abstract
BACKGROUND Older age and the use of bilateral internal thoracic artery (ITA) grafting are both considered risk factors for surgical wound infection (SWI) after coronary artery bypass grafting (CABG). The 2014 European Guidelines recommend that bilateral ITA grafting should be considered in patients aged younger than 70 years. Our aim was to investigate interaction between age and the number of ITA grafts. METHODS All patients aged 18 years and older who had undergone CABG with at least 1 ITA at Rouen University Hospital between 2001 and 2012 were selected. Data regarding surgical procedure (single/bilateral ITA grafting) were extracted from the medical information system. SWI was identified from prospective surveillance of patients according to Centers for Disease Control and Prevention criteria. Independent factors associated with SWI were assessed by logistic regression, and an interaction test between age (≤69 or ≥70 years) and the number of ITA grafts was performed. RESULTS SWI occurred in 71 of 2,726 patients (2.6%). Bilateral ITA grafting was associated with SWI (adjusted odds ratio [aOR], 2.55; 95% confidence interval, 1.51 to 4.30). After fitting an interaction term between age and number of ITA grafts, the aORs for SWI after bilateral ITA grafting substantially differed between patients aged 69 years and younger (aOR, 1.88; 95% confidence interval, 0.94 to 3.75) and 70 years and older (aOR, 3.52; 95% confidence interval, 1.69 to 7.33). However, this interaction failed to reach statistical significance (p = 0.2213), possibly because of insufficient statistical power (23.5%) despite the large sample size. CONCLUSIONS Age 70 years and older compared with age 69 years and younger was associated with higher occurrence of SWI after bilateral ITA grafting, but this interaction was not statistically significant. Larger studies are needed to test this interaction.
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Affiliation(s)
- Quentin Luzurier
- Department of Epidemiology and Public Health, Rouen University Hospital, Rouen, France.
| | - Vincent Le Guillou
- Department of Thoracic and Cardiovascular Surgery, Rouen University Hospital, Rouen, France
| | - Marion Lottin
- Department of Epidemiology and Public Health, Rouen University Hospital, Rouen, France
| | - Thomas Vermeulin
- Department of Biostatistics, Rouen University Hospital, Rouen, France
| | - Hélène Marini
- Department of Epidemiology and Public Health, Rouen University Hospital, Rouen, France
| | - Tristan Petel
- Department of Epidemiology and Public Health, Rouen University Hospital, Rouen, France
| | - Pierre Czernichow
- Department of Epidemiology and Public Health, Rouen University Hospital, Rouen, France
| | - Jean-Paul Bessou
- Department of Thoracic and Cardiovascular Surgery, Rouen University Hospital, Rouen, France
| | - Jacques Bénichou
- Department of Biostatistics, Rouen University Hospital, Rouen, France
| | - Véronique Merle
- Department of Epidemiology and Public Health, Rouen University Hospital, Rouen, France
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Figuerola-Tejerina A, Rodríguez-Caravaca G, Bustamante-Munguira J, María San Román-Montero J, Durán-Poveda M. Epidemiological Surveillance of Surgical Site Infection and its Risk Factors in Cardiac Surgery: A Prospective Cohort Study. ACTA ACUST UNITED AC 2016; 69:842-8. [PMID: 27155925 DOI: 10.1016/j.rec.2016.01.030] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 01/26/2016] [Indexed: 10/21/2022]
Abstract
INTRODUCTION AND OBJECTIVES Surgical site infection in cardiac surgery is uncommon. The aim of the present study was to examine the incidence of this infection, compare it with national and international data, and evaluate its risk factors. METHODS This prospective cohort study included patients who underwent valve surgery or coronary revascularization during a 6-year period. The incidence of surgical site infection was studied. Associations between risk factors and infection were evaluated using odds ratios (OR). The infection rate was compared with Spanish and American data using the standardized infection ratio. RESULTS A total of 1557 patients were included. The overall cumulative incidence of infection was 4% (95% confidence interval [95%CI], 3.6%-5.6%), 3.6% in valve surgery (95%CI, 2.5%-4.7%) and 4.3% in coronary revascularization (95%CI, 2.3%-6.3%). Risk factors for surgical site infection in valve surgery were diabetes mellitus (OR=2.8; P<.05) and obesity (OR=6.6; P<.05). Risk factors for surgical site infection in coronary revascularization were diabetes mellitus (OR=2.9; P<.05) and reoperation for bleeding (OR=8.8; P<.05). CONCLUSIONS Diabetes mellitus and obesity favor surgical site infection in valve surgery, whereas diabetes mellitus and reoperation for bleeding favor surgical site infection in coronary revascularization. Infection surveillance and control programs permit evaluation and comparison of infection rates in cardiac surgery.
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Affiliation(s)
| | - Gil Rodríguez-Caravaca
- Unidad de Medicina Preventiva, Hospital Universitario Fundación Alcorcón, Alcorcón, Madrid, Spain.
| | | | | | - Manuel Durán-Poveda
- Departamento de Medicina y Cirugía, Universidad Rey Juan Carlos, Madrid, Spain
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Cossin S, Malavaud S, Jarno P, Giard M, L'Hériteau F, Simon L, Bieler L, Molinier L, Marcheix B, Venier AG, Simon L, Ali-Brandmeyer O, Neels C, Jarno P, Aupée M, Perennec M, Astagneau P, L'Hériteau F, Daniel F, Campion C, Giard M, Bernet C, Caillat-Vallet E, Venier AG, Bervas C, Reyreaud E, Baillet P, Costa Y, Jost JL, Merle V, Merlo L, Seguier JC, Malavaud S, Bruyere F, Thiolet JM, Barquin-Guichard S. Surgical site infection after valvular or coronary artery bypass surgery: 2008–2011 French SSI national ISO-RAISIN surveillance. J Hosp Infect 2015; 91:225-30. [DOI: 10.1016/j.jhin.2015.07.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Accepted: 07/16/2015] [Indexed: 11/17/2022]
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12
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Diabetes and Risk of Surgical Site Infection: A Systematic Review and Meta-analysis. Infect Control Hosp Epidemiol 2015; 37:88-99. [PMID: 26503187 DOI: 10.1017/ice.2015.249] [Citation(s) in RCA: 341] [Impact Index Per Article: 37.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To determine the independent association between diabetes and surgical site infection (SSI) across multiple surgical procedures. DESIGN Systematic review and meta-analysis. METHODS Studies indexed in PubMed published between December 1985 and through July 2015 were identified through the search terms "risk factors" or "glucose" and "surgical site infection." A total of 3,631 abstracts were identified through the initial search terms. Full texts were reviewed for 522 articles. Of these, 94 articles met the criteria for inclusion. Standardized data collection forms were used to extract study-specific estimates for diabetes, blood glucose levels, and body mass index (BMI). A random-effects meta-analysis was used to generate pooled estimates, and meta-regression was used to evaluate specific hypothesized sources of heterogeneity. RESULTS The primary outcome was SSI, as defined by the Centers for Disease Control and Prevention surveillance criteria. The overall effect size for the association between diabetes and SSI was odds ratio (OR)=1.53 (95% predictive interval [PI], 1.11-2.12; I2, 57.2%). SSI class, study design, or patient BMI did not significantly impact study results in a meta-regression model. The association was higher for cardiac surgery 2.03 (95% PI, 1.13-4.05) compared with surgeries of other types (P=.001). CONCLUSIONS These results support the consideration of diabetes as an independent risk factor for SSIs for multiple surgical procedure types. Continued efforts are needed to improve surgical outcomes for diabetic patients. Infect. Control Hosp. Epidemiol. 2015;37(1):88-99.
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Impact of obesity on the risk of wound infection following surgery: results from a nationwide prospective multicentre cohort study in England. Clin Microbiol Infect 2015. [PMID: 26197212 DOI: 10.1016/j.cmi.2015.07.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We sought to assess the impact of body mass index on the risk of surgical site infection in a prospective cohort study of 206 National Health Service (NHS) hospitals in England between 2007 and 2011. Body mass index was available for 159,720 of 350,089 operations among patients undergoing abdominal hysterectomy, coronary artery bypass graft, hip replacement, knee replacement, or large-bowel surgery. Among these patients, the risk of surgical site infection ranged from 0.65% for knee replacement to 11.04% for large-bowel surgery. Overall, 127,512 (79.8%) patients were overweight or obese (body mass index of ≥25 kg/m(2)). Obesity was associated with a 1.1-fold to 4.4-fold increase in the adjusted odds of developing surgical site infection as compared with normal weight, depending on the type of surgery. The population-attributable fraction (PAF) for body mass index was greatest in overweight (body mass index of 25.0-29.9 kg/m(2)) patients undergoing coronary artery bypass graft, accounting for 15% of their overall risk of surgical site infection (PAF 0.15; 95% CI 0.09-0.22). Being overweight or obese substantially increased the likelihood of patients developing surgical site infection. Given the increasingly high proportion of the surgical population who are overweight, this is likely to place a considerable additional burden on the NHS. Strategies for mitigating this excess risk need to be found.
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Dohmen PM, Markou T, Ingemansson R, Rotering H, Hartman JM, van Valen R, Brunott M, Segers P. Use of incisional negative pressure wound therapy on closed median sternal incisions after cardiothoracic surgery: clinical evidence and consensus recommendations. Med Sci Monit 2014; 20:1814-25. [PMID: 25280449 PMCID: PMC4199398 DOI: 10.12659/msm.891169] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Negative pressure wound therapy is a concept introduced initially to assist in the treatment of chronic open wounds. Recently, there has been growing interest in using the technique on closed incisions after surgery to prevent potentially severe surgical site infections and other wound complications in high-risk patients. Negative pressure wound therapy uses a negative pressure unit and specific dressings that help to hold the incision edges together, redistribute lateral tension, reduce edema, stimulate perfusion, and protect the surgical site from external infectious sources. Randomized, controlled studies of negative pressure wound therapy for closed incisions in orthopedic settings (which also is a clean surgical procedure in absence of an open fracture) have shown the technology can reduce the risk of wound infection, wound dehiscence, and seroma, and there is accumulating evidence that it also improves wound outcomes after cardiothoracic surgery. Identifying at-risk individuals for whom prophylactic use of negative pressure wound therapy would be most cost-effective remains a challenge; however, several risk-stratification systems have been proposed and should be evaluated more fully. The recent availability of a single-use, closed incision management system offers surgeons a convenient and practical means of delivering negative pressure wound therapy to their high-risk patients, with excellent wound outcomes reported to date. Although larger, randomized, controlled studies will help to clarify the precise role and benefits of such a system in cardiothoracic surgery, limited initial evidence from clinical studies and from the authors' own experiences appears promising. In light of the growing interest in this technology among cardiothoracic surgeons, a consensus meeting, which was attended by a group of international experts, was held to review existing evidence for negative pressure wound therapy in the prevention of wound complications after surgery and to provide recommendations on the optimal use of negative pressure wound therapy on closed median sternal incisions after cardiothoracic surgery.
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Affiliation(s)
- Pascal M Dohmen
- Department of Cardiothoracic Surgery, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
| | - Thanasie Markou
- Department of Cardiothoracic Surgery, Isala Klinieken Zwolle, Zwolle, Netherlands
| | - Richard Ingemansson
- Department of Cardiothoracic Surgery, University Hospital of Lund, Lund, Sweden
| | - Heinrich Rotering
- Department of Cardiothoracic Surgery, University Clinic Münster, Münster, Germany
| | - Jean M Hartman
- Department of Cardiothoracic Surgery, University Medical Centre Groningen, Groningen, Netherlands
| | - Richard van Valen
- Department of Cardiothoracic Surgery, Erasmus University Rotterdam, Rotterdam, Netherlands
| | - Maaike Brunott
- Department of Cardiothoracic Surgery, Erasmus University Rotterdam, Rotterdam, Netherlands
| | - Patrique Segers
- Department of Cardiothoracic Surgery, Academic Medical Center Amsterdam, Amsterdam, Netherlands
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15
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Si D, Rajmokan M, Lakhan P, Marquess J, Coulter C, Paterson D. Surgical site infections following coronary artery bypass graft procedures: 10 years of surveillance data. BMC Infect Dis 2014; 14:318. [PMID: 24916690 PMCID: PMC4061097 DOI: 10.1186/1471-2334-14-318] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 05/30/2014] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Surgical site infections following coronary artery bypass graft (CABG) procedures pose substantial burden on patients and healthcare systems. This study aims to describe the incidence of surgical site infections and causative pathogens following CABG surgery over the period 2003-2012, and to identify risk factors for complex sternal site infections. METHODS Routine computerised surveillance data were collected from three public hospitals in Queensland, Australia in which CABG surgery was performed between 2003 and 2012. Surgical site infection rates were calculated by types of infection (superficial/complex) and incision sites (sternal/harvest sites). Patient and procedural characteristics were evaluated as risk factors for complex sternal site infections using a logistic regression model. RESULTS There were 1,702 surgical site infections (518 at sternal sites and 1,184 at harvest sites) following 14,546 CABG procedures performed. Among 732 pathogens isolated, Methicillin-sensitive Staphylococcus aureus accounted for 28.3% of the isolates, Pseudomonas aeruginosa 18.3%, methicillin-resistant Staphylococcus aureus 14.6%, and Enterobacter species 6.7%. Proportions of Gram-negative bacteria elevated from 37.8% in 2003 to 61.8% in 2009, followed by a reduction to 42.4% in 2012. Crude rates of complex sternal site infections increased over the reporting period, ranging from 0.7% in 2004 to 2.6% in 2011. Two factors associated with increased risk of complex sternal site infections were identified: patients with an ASA (American Society of Anaesthesiologists) score of 4 or 5 (reference score of 3, OR 1.83, 95% CI 1.36-2.47) and absence of documentation of antibiotic prophylaxis (OR 2.03, 95% CI 1.12-3.69). CONCLUSIONS Compared with previous studies, our data indicate the importance of Gram-negative organisms as causative agents for surgical site infections following CABG surgery. An increase in complex sternal site infection rates can be partially explained by the increasing proportion of patients with more severe underlying disease.
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Affiliation(s)
- Damin Si
- Centre for Healthcare Related Infection Surveillance and Prevention, Queensland Health, Brisbane, Australia.
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16
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Yu PJ, Cassiere HA, Dellis SL, Manetta F, Kohn N, Hartman AR. Impact of Preoperative Prealbumin on Outcomes After Cardiac Surgery. JPEN J Parenter Enteral Nutr 2014; 39:870-4. [DOI: 10.1177/0148607114536735] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2014] [Accepted: 04/29/2014] [Indexed: 11/16/2022]
Affiliation(s)
- Pey-Jen Yu
- North Shore University Hospital, Manhasset, New York
| | | | | | - Frank Manetta
- North Shore University Hospital, Manhasset, New York
| | - Nina Kohn
- The Feinstein Institute for Medical Research, Manhasset, New York
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17
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18
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Shields RK, Clancy CJ, Minces LR, Shigemura N, Kwak EJ, Silveira FP, Abdel-Massih RC, Bhama JK, Bermudez CA, Pilewski JM, Crespo M, Toyoda Y, Nguyen MH. Epidemiology and outcomes of deep surgical site infections following lung transplantation. Am J Transplant 2013; 13:2137-45. [PMID: 23710593 DOI: 10.1111/ajt.12292] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 03/18/2013] [Accepted: 04/04/2013] [Indexed: 01/25/2023]
Abstract
We conducted a retrospective study of deep surgical site infections (SSIs) among consecutive patients who underwent lung transplantation (LTx) at a single center from 2006 through 2010. Thirty-one patients (5%) developed SSIs at median 25 days after LTx. Empyema was most common (42%), followed by surgical wound infections (29%), mediastinitis (16%), sternal osteomyelitis (6%), and pericarditis (6%). Pathogens included Gram-positive bacteria (41%), Gram-negative bacteria (41%), fungi (10%) and Mycobacterium abscessus, Mycoplasma hominis and Lactobacillus sp. (one each). Twenty-three percent of SSIs were due to pathogens colonizing recipients' native lungs at time of LTx, suggesting surgical seeding as a source. Patient-related independent risk factors for SSIs were diabetes and prior cardiothoracic surgery; procedure-related independent risk factors were LTx from a female donor, prolonged ischemic time and number of perioperative red blood cell transfusions. Mediastinitis and sternal infections were not observed among patients undergoing minimally invasive LTx. SSIs were associated with 35% mortality at 1 year post-LTx. Lengths of stay and mortality in-hospital and at 6 months and 1 year were significantly greater for patients with SSIs other than empyema. In conclusion, deep SSIs were uncommon, but important complications in LTx recipients because of their diverse microbiology and association with increased mortality.
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Affiliation(s)
- R K Shields
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
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19
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Savage MW, Pottinger JM, Chiang HY, Yohnke KR, Bowdler NC, Herwaldt LA. Surgical site infections and cellulitis after abdominal hysterectomy. Am J Obstet Gynecol 2013; 209:108.e1-10. [PMID: 23711665 DOI: 10.1016/j.ajog.2013.05.043] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Revised: 05/14/2013] [Accepted: 05/21/2013] [Indexed: 12/30/2022]
Abstract
OBJECTIVES To identify risk factors for and outcomes of surgical site infections and cellulitis after abdominal hysterectomies. STUDY DESIGN We used logistic regression analysis to analyze data from a case-control study of 1104 patients undergoing abdominal hysterectomies at a university hospital between Jan. 1, 2007 and Dec. 30, 2010. RESULTS Factors significantly associated with surgical site infections and with cellulitis were: pulmonary disease, operations done in Main Operating Room East, and seroma. Body mass index >35, no private insurance, and fluid and electrolyte disorders were risk factors for surgical site infections. The mean prophylactic dose of cefazolin was significantly higher for controls than for patients with surgical site infections. Preoperative showers with Hibiclens (Molnlycke Health Care US, LLC, Norcross, GA) and cefazolin prophylaxis were associated with a significantly decreased cellulitis risk. Surgical site infections and cellulitis were significantly associated with readmissions and return visits and surgical site infections were associated with reoperations. CONCLUSION Preoperative showers, antimicrobial prophylaxis, surgical techniques preventing seromas, and the operating room environment may affect the risk of surgical site infections and cellulitis after abdominal hysterectomies.
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Affiliation(s)
- Mack W Savage
- Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
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20
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Current world literature. Curr Opin Cardiol 2012; 27:682-95. [PMID: 23075824 DOI: 10.1097/hco.0b013e32835a0ad8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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21
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Cove ME, Spelman DW, MacLaren G. Infectious complications of cardiac surgery: a clinical review. J Cardiothorac Vasc Anesth 2012; 26:1094-100. [PMID: 22765993 DOI: 10.1053/j.jvca.2012.04.021] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Indexed: 12/28/2022]
Affiliation(s)
- Matthew E Cove
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
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