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Giusti JCG, Rossi FH, Cury MVM, Godoy MR, Palomo AT, Sacilotto R, Brochado Neto FC, Izukawa NM. Efficacy and safety of iliofemoral bypass using arm veins as an alternative conduit for chronic limb-threatening ischemia. J Vasc Surg 2023; 78:1021-1029.e3. [PMID: 37343730 DOI: 10.1016/j.jvs.2023.06.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 06/08/2023] [Accepted: 06/11/2023] [Indexed: 06/23/2023]
Abstract
OBJECTIVE The use of basilic vein in iliofemoral revascularizations was previously described in the literature as an autologous option for the treatment of vascular prosthesis infection and as a primary conduit in patients at high risk of infectious surgical complications. However, the publications available include several different indications and are limited to case reports. Therefore, the aim of this study was to evaluate the outcomes of the use of arm veins as a safe and effective autologous alternative for iliofemoral reconstruction in patients with chronic limb-threatening ischemia (CLTI) and at high risk of prosthesis infection. METHODS We performed a multicenter, retrospective cohort study with 53 consecutive iliofemoral bypasses using arm veins as an alternative conduit. The procedures were performed between November 2013 and November 2021, exclusively for patients with CLTI classified as TASC aortoiliac C or D with increased risk of postoperative surgical infection. Demographic, clinical variables, and outcomes were collected from a prospective database. Main endpoints were amputation-free survival (AFS) and major adverse cardiovascular events. Secondary endpoints included primary and secondary patencies and overall survival. Cox regression analysis was used to identify the predictors of AFS. Postoperative surgical complications and 30-day mortality were also assessed. RESULTS The mean age was 64.2 ± 8.4 years, with a predominance of male gender. The median follow-up period was 615 days. All patients had CLTI, with a predominance of tissue loss (n = 51; 96.2%) and a median ankle-brachial index of 0.28. The basilic vein was utilized in most procedures (69.8%). Thirty-day major adverse cardiovascular events occurred in five cases (9.4%), and the 30-day mortality rate was 3.8%. The AFS, primary patency, secondary patency, and overall survival in 720 days were 71%, 72%, 89%, and 75%, respectively. Cox regression analysis revealed no association between the variables analyzed for AFS. There was no graft late infection nor pseudoaneurysmal degeneration. CONCLUSIONS Iliofemoral bypass using arm veins as an autologous conduit proved to be an effective and safe procedure with low incidence of postoperative cardiovascular complications and high rates of AFS in patients with CLTI. Also, this suggests that arm veins can be an interesting and suitable autologous alternative conduit for iliofemoral reconstructions, especially in cases in which a prosthesis should be avoided or when it is not available.
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Affiliation(s)
- Júlio César Gomes Giusti
- Department of Vascular and Endovascular Surgery, Hospital Municipal Dr. Carmino Caricchio - HMCC, São Paulo, São Paulo, Brazil.
| | - Fabio Henrique Rossi
- Department of Vascular and Endovascular Surgery, Instituto Dante Pazzanese de Cardiologia - IDPC, São Paulo, São Paulo, Brazil
| | - Marcus Vinicius Martins Cury
- Department of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual - HSPE, São Paulo, São Paulo, Brazil
| | - Marcos Roberto Godoy
- Department of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual - HSPE, São Paulo, São Paulo, Brazil
| | - Amanda Thurler Palomo
- Department of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual - HSPE, São Paulo, São Paulo, Brazil
| | - Roberto Sacilotto
- Department of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual - HSPE, São Paulo, São Paulo, Brazil
| | - Francisco Cardoso Brochado Neto
- Department of Vascular and Endovascular Surgery, Hospital Municipal Dr. Carmino Caricchio - HMCC, São Paulo, São Paulo, Brazil; Department of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual - HSPE, São Paulo, São Paulo, Brazil
| | - Nilo Mitsuru Izukawa
- Department of Vascular and Endovascular Surgery, Instituto Dante Pazzanese de Cardiologia - IDPC, São Paulo, São Paulo, Brazil
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Kim YW. Aortic Endograft Infection: Diagnosis and Management. Vasc Specialist Int 2023; 39:26. [PMID: 37732343 PMCID: PMC10512004 DOI: 10.5758/vsi.230071] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/18/2023] [Accepted: 08/28/2023] [Indexed: 09/22/2023] Open
Abstract
Aortic endograft infection (AEI) is a rare but life-threatening complication of endovascular aneurysm repair (EVAR). The clinical features of AEI range from generalized weakness and mild fever to fatal aortic rupture or sepsis. The diagnosis of AEI usually depends on clinical manifestations, laboratory tests, and imaging studies. Management of Aortic Graft Infection Collaboration (MAGIC) criteria are often used to diagnose AEI. Surgical removal of the infected endograft, restoration of aortic blood flow, and antimicrobial therapy are the main components of AEI treatment. After removing an infected endograft, in situ aortic reconstruction is often performed instead of an extra-anatomic bypass. Various biological and prosthetic aortic grafts have been used in aortic reconstruction to avoid reinfection, rupture, or occlusion. Each type of graft has its own merits and disadvantages. In patients with an unacceptably high surgical risk and no evidence of an aortic fistula, conservative treatment can be an alternative. Treatment results are determined by bacterial virulence, patient status, including the presence of an aortic fistula, and hospital factors. Considering the severity of this condition, the best strategy is prevention. When encountering a patient with AEI, current practice emphasizes a multidisciplinary team approach to achieve an optimal outcome.
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Affiliation(s)
- Young-Wook Kim
- Division of Vascular Surgery, Department of Surgery, Incheon Sejong Hospital, Incheon, Korea
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Lauri C, Campagna G, Aloisi F, Posa A, Iezzi R, Sirignano P, Taurino M, Signore A. How to combine CTA, 99mTc-WBC SPECT/CT, and [ 18F]FDG PET/CT in patients with suspected abdominal vascular endograft infections? Eur J Nucl Med Mol Imaging 2023; 50:3235-3250. [PMID: 37367965 PMCID: PMC10542742 DOI: 10.1007/s00259-023-06309-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 06/17/2023] [Indexed: 06/28/2023]
Abstract
PURPOSE We aimed at comparing 99mTc-HMPAO white blood cells (99mTc-WBC) scintigraphy, 18fluorine-fluorodeoxyglucose ([18F]FDG) positron emission tomography/computed tomography (PET/CT) and CT angiography (CTA) in patients with suspected abdominal vascular graft or endograft infection (VGEI). Moreover, we attempted to define a new visual score for interpreting [18F]FDG PET/CT scans aiming at increasing its specificity. METHODS We prospectively compared 99mTc-WBC SPECT/CT, [18F]FDG PET/CT, and CTA in 26 patients with suspected abdominal VGEI. WBC scans were performed and interpreted according to EANM recommendations. [18F]FDG PET/CT studies were assessed with both qualitative (Sah's scale and new visual score) and semi-quantitative analyses. CTA images were interpreted according to MAGIC criteria. Microbiology, histopathology or a clinical follow-up of at least 24 months were used to achieve final diagnosis. RESULTS Eleven out of 26 patients were infected. [18F]FDG PET/CT showed 100% sensitivity and NPV, with both scoring systems, thus representing an efficient tool to rule out the infection. The use of a more detailed scoring system provided statistically higher specificity compared to the previous Sah's scale (p = 0.049). 99mTc-WBC SPECT/CT provided statistically higher specificity and PPV than [18F]FDG PET/CT, regardless the interpretation criteria used and it can be, therefore, used in early post-surgical phases or to confirm or rule out a PET/CT finding. CONCLUSIONS After CTA, patients with suspected late VGEI should perform a [18F]FDG PET/CT given its high sensitivity and NPV. However, given its lower specificity, positive results should be confirmed with 99mTc-WBC scintigraphy. The use of a more detailed scoring system reduces the number of 99mTc-WBC scans needed after [18F]FDG PET/CT. Nevertheless, in suspected infections within 4 months from surgery, 99mTc-WBC SPECT/CT should be performed as second exam, due to its high accuracy in differentiating sterile inflammation from infection.
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Affiliation(s)
- Chiara Lauri
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Sant’Andrea Hospital, “Sapienza” University of Rome, 00161 Rome, Italy
| | - Giuseppe Campagna
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Sant’Andrea Hospital, “Sapienza” University of Rome, 00161 Rome, Italy
| | - Francesco Aloisi
- Vascular Surgery Unit, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, “Sapienza” University of Rome, 00161 Rome, Italy
| | - Alessandro Posa
- Dipartimento Di Diagnostica Per Immagini, Radioterapia Oncologica ed Ematologia – Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Roberto Iezzi
- Dipartimento Di Diagnostica Per Immagini, Radioterapia Oncologica ed Ematologia – Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
- Diagnostic and Interventional Radiology Unit, Gemelli Molise Hospital, Campobasso, Italy
- Università Cattolica del Sacro Cuore, Rome, Italy
| | - Pasqualino Sirignano
- Vascular Surgery Unit, Sant’Andrea Hospital, Department of General and Specialistic Surgery, Sapienza” University of Rome, 00161 Rome, Italy
| | - Maurizio Taurino
- Vascular Surgery Unit, Department of Clinical and Molecular Medicine, Sant’Andrea Hospital, “Sapienza” University of Rome, 00161 Rome, Italy
| | - Alberto Signore
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, Sant’Andrea Hospital, “Sapienza” University of Rome, 00161 Rome, Italy
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Wang J, Blalock SK, Levitan GS, Prichard HL, Niklason LE, Kirkton RD. Biological mechanisms of infection resistance in tissue engineered blood vessels compared to synthetic expanded polytetrafluoroethylene grafts. JVS Vasc Sci 2023; 4:100120. [PMID: 37662589 PMCID: PMC10474492 DOI: 10.1016/j.jvssci.2023.100120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 06/24/2023] [Indexed: 09/05/2023] Open
Abstract
Objective Synthetic expanded polytetrafluoroethylene (ePTFE) grafts are known to be susceptible to bacterial infection. Results from preclinical and clinical studies of bioengineered human acellular vessels (HAVs) have shown relatively low rates of infection. This study evaluates the interactions of human neutrophils and bacteria with ePTFE and HAV vascular conduits to determine whether there is a correlation between neutrophil-conduit interactions and observed differences of their infectivity in vivo. Methods A phase III comparative clinical study between investigational HAVs (n = 177) and commercial ePTFE grafts (n = 178) used for hemodialysis access (ClinicalTrials.gov Identifier: NCT02644941) was evaluated for conduit infection rates followed by histological analyses of HAV and ePTFE tissue explants. The clinical histopathology of HAV and ePTFE conduits reported to be infected was compared with immunohistochemistry of explanted materials from a preclinical model of bacterial contamination. Mechanistic in vitro studies were then conducted using isolated human neutrophils seeded directly onto HAV and ePTFE materials to analyze neutrophil viability, morphology, and function. Results Clinical trial results showed that the HAV had a significantly lower (0.93%; P = .0413) infection rate than that of ePTFE (4.54%). Histological analysis of sections from infected grafts explanted approximately 1 year after implantation revealed gram-positive bacteria near cannulation sites. Immunohistochemistry of HAV and ePTFE implanted in a well-controlled rodent infection model suggested that the ePTFE matrix permitted bacterial infiltration and colonization but may be inaccessible to neutrophils. In the same model, the HAV showed host recellularization and lacked detectable bacteria at the 2-week explant. In vitro results demonstrated that the viability of human neutrophils decreased significantly upon exposure to ePTFE, which was associated with neutrophil elastase release in the absence of bacteria. In contrast, neutrophils exposed to the HAV material retained high viability and native morphology. Cocultures of neutrophils and Staphylococcus aureus on the conduit materials demonstrated that neutrophils were more effective at ensnaring and degrading bacteria on the HAV than on ePTFE. Conclusions The HAV material seems to demonstrate a resistance to bacterial infection. This infection resistance is likely due to the HAV's native-like material composition, which may be more biocompatible with host neutrophils than synthetic vascular graft material.
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Cristino MAB, Nakano LCU, Vasconcelos V, Correia RM, Flumignan RLG. Prevention of infection in aortic or aortoiliac peripheral arterial reconstruction. Hippokratia 2022. [DOI: 10.1002/14651858.cd015192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Mateus AB Cristino
- Department of Surgery, Division of Vascular and Endovascular Surgery; Universidade Federal de São Paulo; São Paulo Brazil
| | - Luis CU Nakano
- Department of Surgery, Division of Vascular and Endovascular Surgery; Universidade Federal de São Paulo; São Paulo Brazil
- Cochrane Brazil; Universidade Federal de São Paulo; São Paulo Brazil
| | - Vladimir Vasconcelos
- Department of Surgery, Division of Vascular and Endovascular Surgery; Universidade Federal de São Paulo; São Paulo Brazil
- Cochrane Brazil; Universidade Federal de São Paulo; São Paulo Brazil
| | - Rebeca M Correia
- Department of Surgery, Division of Vascular and Endovascular Surgery; Universidade Federal de São Paulo; São Paulo Brazil
| | - Ronald LG Flumignan
- Department of Surgery, Division of Vascular and Endovascular Surgery; Universidade Federal de São Paulo; São Paulo Brazil
- Cochrane Brazil; Universidade Federal de São Paulo; São Paulo Brazil
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Duarte A, Gouveia E Melo R, Mendes Pedro D, Martins B, Sobrinho G, Fernandes E Fernandes R, Santos CM, Mendes Pedro L. Predictive Factors for Aortic Graft Infection: A Case-Control Study. Ann Vasc Surg 2022; 87:402-410. [PMID: 35772668 DOI: 10.1016/j.avsg.2022.05.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 05/03/2022] [Accepted: 05/08/2022] [Indexed: 11/15/2022]
Abstract
BACKGROUND Graft infections are one of the most serious complications in vascular surgery, with high mortality rates. Few studies addressed risk factors associated with a higher susceptibility to infection. The aim of this study is to identify perioperative factors associated with aortic graft infections (AGI). METHODS We designed a retrospective, case-control study from patients subjected to open aortic repair between 2013 and 2019. Cases of AGI were defined according to the management of aortic graft infection collaboration (MAGIC) criteria and matched to controls without proven infection. Demographics, hospital complications, and laboratory workups were assessed. Predictors of AGI were identified through univariate and multivariate analysis. RESULTS Most graft infections occurred in a late period (n = 17; 85%), after a median interval of 13.5 months interquartile range (IQR 1.5-36). Gram-negative bacteria were most frequently isolated in infected grafts, namely Enterobacteriaceae (n = 12). Cases had significantly lower postoperative serum albumin levels (1.9 g/dL vs. 2.4 g/dL; P = 0.002). Alcohol abuse, malignancy, prolonged lengths of stay, wound infection and dehiscence, in-hospital infection, postoperative heart failure or bowel ischemia were significantly correlated to the onset of AGI. In the multivariate analysis, prolonged hospital stays odds ratio (OR 1.05; P = 0.03), malignancy (OR 5.82; P = 0.03) and alcohol abuse (OR 42.41; P = 0.002) maintained a significant association. CONCLUSIONS The risk of AGI seems to be higher in patients with concurrent malignancy, alcohol abuse or prolonged hospital stays. Strategies to mitigate this complication in these patients are of utmost importance.
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Affiliation(s)
- António Duarte
- Division of Vascular Surgery, Heart and Vessels Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal.
| | - Ryan Gouveia E Melo
- Division of Vascular Surgery, Heart and Vessels Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Diogo Mendes Pedro
- Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal; Department of Infectious Diseases, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - Beatriz Martins
- Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Gonçalo Sobrinho
- Division of Vascular Surgery, Heart and Vessels Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Ruy Fernandes E Fernandes
- Division of Vascular Surgery, Heart and Vessels Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal
| | - Carla Mimoso Santos
- Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal; Department of Infectious Diseases, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Local Coordination Group - Program for Prevention and Control of Infections and Antimicrobial Resistance (GCL-PPCIRA), Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal
| | - Luís Mendes Pedro
- Division of Vascular Surgery, Heart and Vessels Department, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal; Faculty of Medicine, University of Lisbon, Lisbon, Portugal
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Lauri C, Prosperi D, Taurino M, Signore A. Gamma-Camera Imaging of Vascular Graft Infections. Nucl Med Mol Imaging 2022. [DOI: 10.1016/b978-0-12-822960-6.00088-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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8
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Giusti JCG, Cury MVM, Rossi FH, Soares SP, Trento AF, Tartarotti SP, Brochado-Neto FC. Eversion Endarterectomy of the External Iliac Artery in Treating Chronic Limb-Threatening Ischemia in TASC II C and D Iliofemoral Occlusive Disease. Ann Vasc Surg 2021; 75:162-170. [PMID: 33556512 DOI: 10.1016/j.avsg.2021.01.098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND Endovascular treatment of iliofemoral occlusive disease is a challenging approach, especially for TransAtlantic Inter-Society C and D lesions. Therefore, the revascularization procedure in such situations is preferably performed by bypass graft surgery with synthetic materials. The purpose of this study is to report the feasibility and mid-term results of eversion endarterectomy of the external iliac artery (EEEIA), as an alternative autologous option. METHODS Retrospective study with 18 EEEIA performed between September 2015 and February 2020, exclusively for chronic limb-threatening ischemia treatment in patients with increased risk of postoperative surgical infection and inadvisable for endovascular treatment. Demographic, clinical variables and outcomes were collected from a prospective database. The main end points are: amputation-free survival (AFS) and 30-day mortality. Secondary end points include: primary patency (PP), cumulative patency (CP), overall survival (OS), and postoperative surgical complication. Kaplan-Meier analysis was used to estimate cumulative time of outcomes. RESULTS The mean age was 64.8 ± 8.3 years, with predominance of men. The median follow-up period was 1012 days, 95% confidence interval [119, 1365] days. Most had Rutherford 5 (n = 13, 72.2%) and mean ankle brachial index was 0.38 ± 0.22. The PP, CP, AFS, and OS in 730 days were 81%, 92%, 80%, and 88%, respectively. There was no 30-day mortality or postoperative surgical infection. CONCLUSIONS Iliofemoral reconstruction through EEEIA is an effective surgical procedure with good patency rates, AFS and OS. In addition, it can be considered an useful and safe option, especially in cases in which a prosthesis should be avoided.
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Affiliation(s)
- Júlio César Gomes Giusti
- Department of Vascular Surgery, Hospital Municipal Dr Carmino Caricchio, Tatuapé, São Paulo, São Paulo, Brazil.
| | - Marcus Vinícius Martins Cury
- Department of Vascular and Endovascular Surgery, Hospital do Servidor Público Estadual, São Paulo, São Paulo, Brazil
| | - Fábio Henrique Rossi
- Department of Vascular and Endovascular Surgery, Instituto Dante Pazzanese de Cardiologia, São Paulo, São Paulo, Brazil
| | - Samara Pontes Soares
- Department of Vascular Surgery, Hospital Municipal Dr Carmino Caricchio, Tatuapé, São Paulo, São Paulo, Brazil
| | - André Felipe Trento
- Department of Vascular Surgery, Hospital Municipal Dr Carmino Caricchio, Tatuapé, São Paulo, São Paulo, Brazil
| | - Sabrina Payne Tartarotti
- Department of Vascular Surgery, Hospital Municipal Dr Carmino Caricchio, Tatuapé, São Paulo, São Paulo, Brazil
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Gouveia E Melo R, Martins B, Pedro DM, Santos CM, Duarte A, Fernandes E Fernandes R, Garrido P, Mendes Pedro L. Microbial evolution of vascular graft infections in a tertiary hospital based on positive graft cultures. J Vasc Surg 2020; 74:276-284.e4. [PMID: 33348004 DOI: 10.1016/j.jvs.2020.12.071] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 12/09/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND Vascular graft infections are a serious complication in vascular surgery. Correct antibiotic therapy targeted to the most likely infecting species is essential to treat these patients, although the bacterial epidemiology and pathogenesis are still not completely understood. We analyzed the behavior of vascular graft infections and the microbiologic patterns of resistance. METHODS A 10-year (2008-2018), single-center, retrospective cohort study was performed of all patients admitted with vascular graft infection identified by positive direct graft cultures. An extensive microbiologic study was performed to analyze the bacterial strains, antibiotic resistance and sensitivity, and prevalence stratified by the year. RESULTS A total of 72 vascular graft infections with positive graft cultures occurring in 65 patients were found. Their mean age was 67 ± 9.6 years, and 85% were men. Infection-related mortality was 11%. Of the 65 patients, 14 had undergone aortobifemoral bypass, 13 axillofemoral bypass, 5 femorofemoral bypass, 27 femoropopliteal bypass, and 4 femoral endarterectomy with synthetic patch angioplasty. The median interval from the index procedure to infection was longer for intracavitary than for extracavitary grafts (P = .011). Of the 72 infections, 48 were monomicrobial and 24 were polymicrobial. Gram-negative bacteria were predominantly identified in intracavitary graft infections (54%). In contrast, gram-positive bacteria were most frequent in the extracavitary graft group (58%). Multidrug-resistant bacterial species occurred more frequently in early graft infections (P = .002). Throughout the study duration, an overall decrease in gram-positive infections and an increase in gram-negative infections was observed, especially in extensively drug-resistant strains. A similar progression was found in all nosocomial infections. CONCLUSIONS The present study has shown that vascular graft infection microbiology changed in accordance with graft location and interval to infection from revascularization surgery and had also evolved over the study period with patterns similar to those for all nosocomial infections. This highlights the importance of studying the specific microbiology of each healthcare center and its relationship to vascular graft infections to achieve the best treatment possible.
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Affiliation(s)
- Ryan Gouveia E Melo
- Faculty of Medicine, University of Lisbon, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Division of Vascular Surgery, Heart and Vessels Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal.
| | - Beatriz Martins
- Faculty of Medicine, University of Lisbon, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal
| | - Diogo Mendes Pedro
- Faculty of Medicine, University of Lisbon, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal; Infectious Disease Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal
| | - Carla Mimoso Santos
- Faculty of Medicine, University of Lisbon, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal; Grupo de Coordenação Local do Programa de Prevenção e Controlo de Infeção e Resistência aos Antimicrobianos do Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Infectious Disease Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal
| | - António Duarte
- Division of Vascular Surgery, Heart and Vessels Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal
| | - Ruy Fernandes E Fernandes
- Faculty of Medicine, University of Lisbon, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Division of Vascular Surgery, Heart and Vessels Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal
| | - Pedro Garrido
- Division of Vascular Surgery, Heart and Vessels Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal
| | - Luís Mendes Pedro
- Faculty of Medicine, University of Lisbon, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Division of Vascular Surgery, Heart and Vessels Department, Hospital Santa Maria (Centro Hospitalar Universitário Lisboa Norte), Lisbon, Portugal; Lisbon Academic Medical Centre, Lisbon, Portugal
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Chakfé N, Diener H, Lejay A, Assadian O, Berard X, Caillon J, Fourneau I, Glaudemans AWJM, Koncar I, Lindholt J, Melissano G, Saleem BR, Senneville E, Slart RHJA, Szeberin Z, Venermo M, Vermassen F, Wyss TR, de Borst GJ, Bastos Gonçalves F, Kakkos SK, Kolh P, Tulamo R, Vega de Ceniga M, von Allmen RS, van den Berg JC, Debus ES, Koelemay MJW, Linares-Palomino JP, Moneta GL, Ricco JB, Wanhainen A. Editor's Choice - European Society for Vascular Surgery (ESVS) 2020 Clinical Practice Guidelines on the Management of Vascular Graft and Endograft Infections. Eur J Vasc Endovasc Surg 2020; 59:339-384. [PMID: 32035742 DOI: 10.1016/j.ejvs.2019.10.016] [Citation(s) in RCA: 282] [Impact Index Per Article: 70.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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11
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Ciprofloxacin loaded vascular prostheses functionalized with poly-methylbeta- cyclodextrin: The importance of in vitro release conditions. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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12
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Stenson KM, Grima MJ, Loftus IM, Tripathi RK. Recommendations for management of infected aortic pathology based on current evidence. Semin Vasc Surg 2019; 32:68-72. [PMID: 31540659 DOI: 10.1053/j.semvascsurg.2019.07.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The management of infection involving the abdominal aorta requires clinical decisions based on patient factors and the nature of the infectious process. Any infection occurring after endovascular aortic aneurysm repair or open aortic replacement grafting should be treated promptly with appropriate systemic antibiotic therapy. Once a vascular prosthesis becomes infected, surgical treatment is necessary. There should be a low threshold for graft excision and extra-anatomic bypass in the presence of fistula or abscess cavity, when feasible entire graft should be excised. In selected patients, graft excision with in situ aorta reconstruction is an appropriate option using an autogenous femoral vein, cryopreserved allograft, or a prosthetic graft impregnated with antibiotic. The replaced in situ aortic graft should be covered with an omental pedicle. For primary aortic graft infections, endovascular treatment may act as a bridge to more definitive treatment; or, in the absence of gross retroperitoneal infections, endovascular grafting alone with prolonged systemic antibiotic therapy is a viable option, particularly in patients not fit for open surgical procedures.
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Affiliation(s)
- Katherine M Stenson
- St. George's Vascular Institute, St. George Hospital, Blackshaw Road, London SW17 0QT, UK
| | - Matthew J Grima
- St. George's Vascular Institute, St. George Hospital, Blackshaw Road, London SW17 0QT, UK
| | - Ian M Loftus
- St. George's Vascular Institute, St. George Hospital, Blackshaw Road, London SW17 0QT, UK.
| | - Ramesh K Tripathi
- Faculty of Science, Health, Education and Engineering, University of Sunshine Coast, Sippy Downs, Queensland, Australia
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Batt M, Camou F, Coffy A, Feugier P, Senneville E, Caillon J, Calvet B, Chidiac C, Laurent F, Revest M, Daures JP. A meta-analysis of outcomes of in-situ reconstruction after total or partial removal of infected abdominal aortic graft. THE JOURNAL OF CARDIOVASCULAR SURGERY 2019; 61:171-182. [PMID: 30698369 DOI: 10.23736/s0021-9509.19.10669-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
INTRODUCTION There is currently a lack of evidence for the relative effectiveness of partial resection (PR) and total resection (TR) before managing abdominal aortic graft infection (AGI). Most authorities agree that TR is mandatory for intracavitary AGI in patients with favorable conditions but there is an increasing number of patients with severe comorbidities for whom this approach is not suitable, resulting in a prohibitive mortality rate. The purpose of this study was to determine the most appropriate indication for TR or PR. EVIDENCE ACQUISITION A meta-analysis was conducted on the rates of early/late mortality, amputations and reinfection. A meta-regression was performed with eight variables: patient age, male prevalence, presence of virulent or nonvirulent organisms, urgency, omentoplasty and follow-up. EVIDENCE SYNTHESIS Twenty-one studies and 1052 patients were included. For TR and PR, the rates of early mortality and reinfection were 16.8% and 10.5%, 11% and 27%, respectively. For TR urgency and male gender were associated with increased rate of early mortality and male gender, PDF and virulent organisms were associated with increased risk of reinfection. For PR no statistical correlation was analyzable except for PDF with increased risk of reinfection. CONCLUSIONS Early mortality rates are higher for TR and reinfection rates are higher for PR. For TR early mortality increases in urgent cases and it is suggested that alternative option must be discussed, reinfection decreases in the presence of nonvirulent organisms and TR seems optimal. For TR and PR reinfection increases in presence of PDF and alternative technique may be more appropriate.
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Affiliation(s)
- Michel Batt
- Department of Vascular Surgery, University Nice-Sophia Antipolis, Nice, France -
| | - Fabrice Camou
- Intensive Care Unit, Saint-Andre University Hospital, Bordeaux, France
| | - Amandine Coffy
- Laboratory of Biostatistics and Epidemiology, University Institute for Clinical Research, Montpellier, France
| | - Patrick Feugier
- Department of Vascular Surgery, University Claude Bernard Lyon 1, Hospices Civils de Lyon, Lyon, France
| | - Eric Senneville
- Infectious Diseases Department, Gustave Dron Hospital, Lille 2 University, Tourcoing, France
| | | | - Brigitte Calvet
- Anesthosiology Department, Béziers Hospital, Béziers, France
| | - Christian Chidiac
- Infectious Deseases Department, Hospices Civils de Lyon and International Center for Infectiology Research (CIRI), INSERM U1111, Lyon 1 University, Lyon, France.,Bacteriology Department, International Center for Infectiology Research (CIRI), INSERM U1111, Lyon 1 University, Lyon, France
| | - Frederic Laurent
- Infectious Diseases, and Intensive Care Unit, Pontchaillou University Hospital, CIC-INSERM 1414, Rennes 1 University, France
| | | | - Jean Pierre Daures
- Laboratory of Biostatistics and Epidemiology, University Institute for Clinical Research, Montpellier, France
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Susceptibility of ePTFE vascular grafts and bioengineered human acellular vessels to infection. J Surg Res 2017; 221:143-151. [PMID: 29229120 DOI: 10.1016/j.jss.2017.08.035] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 07/25/2017] [Accepted: 08/16/2017] [Indexed: 11/20/2022]
Abstract
BACKGROUND Synthetic expanded polytetrafluorethylene (ePTFE) grafts are routinely used for vascular repair and reconstruction but prone to sustained bacterial infections. Investigational bioengineered human acellular vessels (HAVs) have shown clinical success and may confer lower susceptibility to infection. Here we directly compared the susceptibility of ePTFE grafts and HAV to bacterial contamination in a preclinical model of infection. MATERIALS AND METHODS Sections (1 cm2) of ePTFE (n = 42) or HAV (n = 42) were inserted within bilateral subcutaneous pockets on the dorsum of rats and inoculated with Staphylococcus aureus (107 CFU/0.25 mL) or Escherichia coli (108 CFU/0.25 mL) before wound closure. Two weeks later, the implant sites were scored for abscess formation and explanted materials were halved for quantification of microbial recovery and histological analyses. RESULTS The ePTFE implants had significantly higher abscess formation scores for both S. aureus and E. coli inoculations compared to that of HAV. In addition, significantly more bacteria were recovered from explanted ePTFE compared to HAV. Gram staining of explanted tissue sections revealed interstitial bacterial contamination within ePTFE, whereas no bacteria were identified in HAV tissue sections. Numerous CD45+ leukocytes, predominantly neutrophils, were found surrounding the ePTFE implants but minimal intact neutrophils were observed within the ePTFE matrix. The host cells surrounding and infiltrating the HAV explants were primarily nonleukocytes (CD45-). CONCLUSIONS In an established animal model of infection, HAV was significantly less susceptible to bacterial colonization and abscess formation than ePTFE. The preclinical findings presented in this manuscript, combined with previously published clinical observations, suggest that bioengineered HAV may exhibit low rates of infection.
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The Marriage of Sartorius and Tensor Fasciae Latae in Treating Vascular Prosthetic Graft Infections. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2017; 5:e1274. [PMID: 28507848 PMCID: PMC5426867 DOI: 10.1097/gox.0000000000001274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 02/01/2017] [Indexed: 12/19/2022]
Abstract
Background: Vascular prosthetic graft infection in the groin is associated with high morbidity and mortality. This article presents a case series on the use of 2 flaps in the treatment of this condition. Methods: Five patients, mean age 65 years (range, 49–74 years), with significant comorbidity were treated for an exposed and infected vascular prosthetic graft in the groin with a combination of sartorius muscle (SM) flap and tensor fascia lata (TFL) myocutaneous flap after debridement and start of microbiologic culture–guided antibiotic treatment. The SM flap was used to cover the exposed graft. To obtain stable wound coverage, the SM and remaining groin defect were closed with a pedicle TFL flap. Results: All flaps survived, with only 1 TFL flap suffering a small tip necrosis. All patients obtained stable wound coverage. Donor-site morbidity was minimal. During the follow-up, mean 46 months (range, 15–79 months), 1 patient had a recurrence after 15 months due to a kink in the elongated prosthetic graft that protruded through the skin alongside the SM and TFL flaps. Conclusions: The combination of SM and TFL flaps could be a new treatment option for patients who have an exposed and infected vascular prosthetic graft in the groin. This flap combination could also be used as a prophylactic procedure for those patients with a high risk to develop such a serious complication.
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Lyons O, Baguneid M, Barwick T, Bell R, Foster N, Homer-Vanniasinkam S, Hopkins S, Hussain A, Katsanos K, Modarai B, Sandoe J, Thomas S, Price N. Diagnosis of Aortic Graft Infection: A Case Definition by the Management of Aortic Graft Infection Collaboration (MAGIC). Eur J Vasc Endovasc Surg 2016; 52:758-763. [DOI: 10.1016/j.ejvs.2016.09.007] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 09/16/2016] [Indexed: 10/20/2022]
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Daryapeyma A, Östlund O, Wahlgren CM. Healthcare-associated infections after lower extremity revascularization. Eur J Vasc Endovasc Surg 2014; 48:72-7. [PMID: 24613135 DOI: 10.1016/j.ejvs.2014.02.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 02/01/2014] [Indexed: 12/29/2022]
Abstract
OBJECTIVE This population-based study aims to elucidate the incidence of healthcare-associated infections (HCAI) and related risk factors in non-emergent, open and endovascular lower extremity vascular procedures. METHOD This was a retrospective analysis of prospectively collected data from the Swedish National Vascular Surgery registry (Swedvasc), National Patient registry, and Cause of Death registry. A nationwide survey of all postoperative infections among patients who have undergone non-emergent open and endovascular surgery for lower extremity arterial disease between January 2005 to December 2010 (n = 10,547) has been performed. Data were retrieved from the National Vascular Surgery registry and cross-matched with the National Patient and Cause of Death registries. The primary purpose of the study was to identify the rate of 30-day postoperative infections and the associated risk factors for the different classes of lower extremity ischemia and operative procedures. RESULTS The study cohort included patients with claudication 27.0% (n = 2,827) and critical limb ischemia (CLI), consisting of rest pain 17.0% (n = 1,835) and ulceration/gangrene 56.0% (n = 5,885) undergoing endovascular intervention (n = 6,262; 59.0%), thromboendarterectomy (n = 1,061; 10.0%), or bypass surgery (n = 3,224; 31.0%). The total incidence of postoperative infection (<30-days) was 9.7% (n = 1,019), including skin and soft tissue infection (n = 735; 6.9%), urinary tract infection (n = 168; 1.6%), pneumonia (n = 114; 1.1%), and sepsis (n = 91; 0.9%). In claudicants, the risk of infection was increased eightfold for bypass surgery compared with endovascular intervention (odds ratio 8.4, 95% confidence interval 5.0-14). Risk factors associated with infection were degree of lower extremity ischemia, diabetes, renal insufficiency, and heart and lung disease (p < .05). CONCLUSION The postoperative rate of HCAI is associated with cardiovascular risk factors, operative method, and degree of lower extremity ischemia. This may be of assistance when deciding on the type of operative procedure for these patients.
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Affiliation(s)
- A Daryapeyma
- Department of Vascular Surgery, Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden.
| | - O Östlund
- Uppsala Clinical Research Center (UCR), Uppsala, Sweden
| | - C-M Wahlgren
- Department of Vascular Surgery, Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden
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Evaluation of the anti-infectious properties of polyester vascular prostheses functionalised with cyclodextrin. J Infect 2014; 68:116-24. [DOI: 10.1016/j.jinf.2013.10.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Revised: 09/02/2013] [Accepted: 10/07/2013] [Indexed: 11/17/2022]
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Ramcharan A, Penders J, Smeets E, Rouflart M, Tiel FV, Bruggeman C, Baeten C, Breukink S, Tordoir J, Stobberingh E. Cross-sectional study on surveillance of surgical site infections after vascular surgery. Future Microbiol 2013; 8:1373-80. [DOI: 10.2217/fmb.13.112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: To determine the incidence and risk factors for surgical site infections (SSI) after vascular surgery, to evaluate the Dutch safety bundle to reduce adverse complications and to analyze causative microorganisms of SSIs. Materials & methods: The 3.5-year study was divided into two periods: the control period (before bundle implementation) and intervention period (after implementation). Postdischarge surveillance was performed until 30 days after surgery. Causative microorganisms from in-hospital wound swabs were determined. SSI rates between both periods were compared and a risk analysis was carried out by performing a logistic regression. Results: The study included 1719 operations. The in-hospital SSI rate increased significantly over time. Out of 140 SSIs, 39% were diagnosed postdischarge. Risk factors were diabetes, age >60 years and operations classified as contaminated or dirty. Pseudomonas aeruginosa susceptibility was the highest for gentamicin (97%). All Staphylococcus aureus were methicillin susceptible. Conclusion: As patient demographics are important to determine the effectiveness of infection preventive measures, (postdischarge) surveillance is important for developing SSI interventions.
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Affiliation(s)
- Amita Ramcharan
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Maastricht University, CAPHRI School for Public Health & Primary Care, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - John Penders
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Maastricht University, CAPHRI School for Public Health & Primary Care, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Ed Smeets
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Maastricht University, CAPHRI School for Public Health & Primary Care, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Margriet Rouflart
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Maastricht University, CAPHRI School for Public Health & Primary Care, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Frank van Tiel
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Maastricht University, CAPHRI School for Public Health & Primary Care, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Cathrien Bruggeman
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
- Maastricht University, CAPHRI School for Public Health & Primary Care, Universiteitssingel 40, 6229 ER Maastricht, The Netherlands
| | - Cor Baeten
- Maastricht University Medical Centre, Department of Surgery, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Stéphanie Breukink
- Maastricht University Medical Centre, Department of Surgery, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Jan Tordoir
- Maastricht University Medical Centre, Department of Surgery, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
| | - Ellen Stobberingh
- Maastricht University Medical Centre, Department of Medical Microbiology, P Debyelaan 25, 6229 HX Maastricht, The Netherlands
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Kacem I, Laurent T, Blanchemain N, Neut C, Chai F, Haulon S, Hildebrand HF, Martel B. Dyeing and antibacterial activation with methylene blue of a cyclodextrin modified polyester vascular graft. J Biomed Mater Res A 2013; 102:2942-51. [DOI: 10.1002/jbm.a.34965] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Accepted: 09/05/2013] [Indexed: 12/28/2022]
Affiliation(s)
- I. Kacem
- University of Lille Nord de France; 59000 Lille France
- Unité Matériaux Et Transformation (UMET); Ingénierie des Systèmes Polymères; Université Lille 1 59655 Villeneuve D'Ascq France
| | - T. Laurent
- University of Lille Nord de France; 59000 Lille France
- Unité Matériaux Et Transformation (UMET); Ingénierie des Systèmes Polymères; Université Lille 1 59655 Villeneuve D'Ascq France
| | - N. Blanchemain
- University of Lille Nord de France; 59000 Lille France
- INSERM U1008, Groupe Recherche Biomatériaux; College of Pharmacy and Medicine University Lille 2; 59045 Lille France
| | - C. Neut
- University of Lille Nord de France; 59000 Lille France
- INSERM U995, Laboratoire de Bactériologie; University Lille 2; 59006 Lille France
| | - F. Chai
- University of Lille Nord de France; 59000 Lille France
- INSERM U1008, Groupe Recherche Biomatériaux; College of Pharmacy and Medicine University Lille 2; 59045 Lille France
| | - S. Haulon
- University of Lille Nord de France; 59000 Lille France
- INSERM U1008, Groupe Recherche Biomatériaux; College of Pharmacy and Medicine University Lille 2; 59045 Lille France
| | - H. F. Hildebrand
- University of Lille Nord de France; 59000 Lille France
- INSERM U1008, Groupe Recherche Biomatériaux; College of Pharmacy and Medicine University Lille 2; 59045 Lille France
| | - B. Martel
- University of Lille Nord de France; 59000 Lille France
- Unité Matériaux Et Transformation (UMET); Ingénierie des Systèmes Polymères; Université Lille 1 59655 Villeneuve D'Ascq France
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van der Slegt J, van der Laan L, Veen EJ, Hendriks Y, Romme J, Kluytmans J. Implementation of a bundle of care to reduce surgical site infections in patients undergoing vascular surgery. PLoS One 2013; 8:e71566. [PMID: 23967222 PMCID: PMC3742500 DOI: 10.1371/journal.pone.0071566] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Accepted: 07/01/2013] [Indexed: 11/19/2022] Open
Abstract
Background Surgical site infections (SSI’s) are associated with severe morbidity, mortality and increased health care costs in vascular surgery. Objective To implement a bundle of care in vascular surgery and measure the effects on the overall and deep-SSI’s rates. Design Prospective, quasi-experimental, cohort study. Methods A prospective surveillance for SSI’s after vascular surgery was performed in the Amphia hospital in Breda, from 2009 through 2011. A bundle developed by the Dutch hospital patient safety program (DHPSP) was introduced in 2009. The elements of the bundle were (1) perioperative normothermia, (2) hair removal before surgery, (3) the use of perioperative antibiotic prophylaxis and (4) discipline in the operating room. Bundle compliance was measured every 3 months in a random sample of surgical procedures and this was used for feedback. Results Bundle compliance improved significantly from an average of 10% in 2009 to 60% in 2011. In total, 720 vascular procedures were performed during the study period and 75 (10.4%) SSI were observed. Deep SSI occurred in 25 (3.5%) patients. Patients with SSI’s (28,5±29.3 vs 10.8±11.3, p<0.001) and deep-SSI’s (48.3±39.4 vs 11.4±11.8, p<0.001) had a significantly longer length of hospital stay after surgery than patients without an infection. A significantly higher mortality was observed in patients who developed a deep SSI (Adjusted OR: 2.96, 95% confidence interval 1.32–6.63). Multivariate analysis showed a significant and independent decrease of the SSI-rate over time that paralleled the introduction of the bundle. The SSI-rate was 51% lower in 2011 compared to 2009. Conclusion The implementation of the bundle was associated with improved compliance over time and a 51% reduction of the SSI-rate in vascular procedures. The bundle did not require expensive or potentially harmful interventions and is therefore an important tool to improve patient safety and reduce SSI’s in patients undergoing vascular surgery.
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Chudobova D, Nejdl L, Gumulec J, Krystofova O, Rodrigo MAM, Kynicky J, Ruttkay-Nedecky B, Kopel P, Babula P, Adam V, Kizek R. Complexes of silver(I) ions and silver phosphate nanoparticles with hyaluronic acid and/or chitosan as promising antimicrobial agents for vascular grafts. Int J Mol Sci 2013; 14:13592-614. [PMID: 23812079 PMCID: PMC3742205 DOI: 10.3390/ijms140713592] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/03/2013] [Accepted: 06/05/2013] [Indexed: 11/16/2022] Open
Abstract
Polymers are currently widely used to replace a variety of natural materials with respect to their favourable physical and chemical properties, and due to their economic advantage. One of the most important branches of application of polymers is the production of different products for medical use. In this case, it is necessary to face a significant disadvantage of polymer products due to possible and very common colonization of the surface by various microorganisms that can pose a potential danger to the patient. One of the possible solutions is to prepare polymer with antibacterial/antimicrobial properties that is resistant to bacterial colonization. The aim of this study was to contribute to the development of antimicrobial polymeric material ideal for covering vascular implants with subsequent use in transplant surgery. Therefore, the complexes of polymeric substances (hyaluronic acid and chitosan) with silver nitrate or silver phosphate nanoparticles were created, and their effects on gram-positive bacterial culture of Staphylococcus aureus were monitored. Stages of formation of complexes of silver nitrate and silver phosphate nanoparticles with polymeric compounds were characterized using electrochemical and spectrophotometric methods. Furthermore, the antimicrobial activity of complexes was determined using the methods of determination of growth curves and zones of inhibition. The results of this study revealed that the complex of chitosan, with silver phosphate nanoparticles, was the most suitable in order to have an antibacterial effect on bacterial culture of Staphylococcus aureus. Formation of this complex was under way at low concentrations of chitosan. The results of electrochemical determination corresponded with the results of spectrophotometric methods and verified good interaction and formation of the complex. The complex has an outstanding antibacterial effect and this effect was of several orders higher compared to other investigated complexes.
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Affiliation(s)
- Dagmar Chudobova
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
| | - Lukas Nejdl
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
| | - Jaromir Gumulec
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
| | - Olga Krystofova
- Karel Englis College, Sujanovo nam. 356/1, CZ-602 00, Brno, Czech Republic; E-Mails: (O.K.); (J.K.)
| | - Miguel Angel Merlos Rodrigo
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
| | - Jindrich Kynicky
- Karel Englis College, Sujanovo nam. 356/1, CZ-602 00, Brno, Czech Republic; E-Mails: (O.K.); (J.K.)
| | - Branislav Ruttkay-Nedecky
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
| | - Pavel Kopel
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
| | - Petr Babula
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
| | - Rene Kizek
- Department of Chemistry and Biochemistry, Faculty of Agronomy, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic; E-Mails: (D.C.); (L.N.); (M.A.M.R.); (B.R.-N.); (P.K.); (V.A.)
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00 Brno, Czech Republic; E-Mails: (J.G.); (P.B.)
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Stovall RT, Pieracci FM, Johnson JL. Perioperative Management of Peripheral Vascular Trauma. Semin Cardiothorac Vasc Anesth 2012; 16:133-41. [DOI: 10.1177/1089253212445929] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Peripheral vascular trauma is not uncommon in the civilian setting, and it can be uniquely challenging because of the limited time during which intervention can salvage an ischemic extremity. Injuries can be from a blunt or penetrating mechanism, and these injuries can be isolated or can be in the setting of a complex multisystem trauma. The intent of this review is to discuss the perioperative management of peripheral vascular trauma with an emphasis of predicting, preventing, and managing common postoperative complications.
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