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Sultan S, Acharya Y, Soliman O, Parodi JC, Hynes N. TEVAR and EVAR, the unknown knowns of the cardiovascular hemodynamics; and the immediate and long-term consequences of fabric material on major adverse clinical outcome. Front Surg 2022; 9:940304. [PMID: 36111231 PMCID: PMC9468223 DOI: 10.3389/fsurg.2022.940304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 08/11/2022] [Indexed: 11/29/2022] Open
Abstract
This review discusses the impact of endovascular aneurysm repair on cardiovascular (CV) hemodynamics and the role of stent-graft material, i.e., polytetrafluoroethylene (PTFE) vs. polyester in post-procedural outcomes. Endovascular aneurysm repair has been widely employed in the last decades for thoracic and abdominal aneurysm repair. However, aortic endografts are stiff and alter the native flow hemodynamics. This failure to simulate the native aorta could lead to added strain on the heart, manifesting as increased left ventricular strain, higher pulse pressure, and congestive heart failure later. This could result in adverse CV outcomes. Also, evidence is mounting to support the implication of stent-graft materials, i.e., PTFE vs. polyester, in adverse post-procedural outcomes. However, there is an absence of level one evidence. Therefore, the only way forward is to plan and perform a randomised controlled trial to demonstrate the alterations in the CV hemodynamics in the short and long run and compare the available stent-graft materials regarding procedural and clinical outcomes. We believe the best solution, for now, would be to reduce the stented length of the aorta. At the same time, in the longer term, encourage continuous improvement in stent-graft materials and design.
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Affiliation(s)
- Sherif Sultan
- Department of Vascular and Endovascular Surgery, Western Vascular Institute, University Hospital Galway, National University of Ireland, Galway, Ireland
- Galway Clinic, Doughiska, Royal College of Surgeons in Ireland and the National University of Ireland, Galway Affiliated Hospital, Galway, Ireland
- CÚRAM-CORRIB-Vascular Group, National University of Ireland, Galway, Ireland
- Correspondence: Sherif Sultan ,
| | - Yogesh Acharya
- Department of Vascular and Endovascular Surgery, Western Vascular Institute, University Hospital Galway, National University of Ireland, Galway, Ireland
- Galway Clinic, Doughiska, Royal College of Surgeons in Ireland and the National University of Ireland, Galway Affiliated Hospital, Galway, Ireland
| | - Osama Soliman
- CÚRAM-CORRIB-Vascular Group, National University of Ireland, Galway, Ireland
| | - Juan Carlos Parodi
- Department of Vascular Surgery and Biomedical Engineering Department, University of Buenos Aires, Buenos Aires, Argentina
| | - Niamh Hynes
- CÚRAM-CORRIB-Vascular Group, National University of Ireland, Galway, Ireland
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Hynes N, Acharya Y, Sultan S. The contemporary design of endovascular aneurysm stent-graft materials: PTFE versus polyester. Front Surg 2022; 9:984727. [PMID: 36051707 PMCID: PMC9424654 DOI: 10.3389/fsurg.2022.984727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Accepted: 08/02/2022] [Indexed: 11/13/2022] Open
Abstract
Endovascular aneurysm repair of the abdominal aorta (EVAR) and of the thoracic aorta (TEVAR) have revolutionised therapeutic strategies in the management of aortic pathology, and endovascular repair is now an established and attractive alternative to open surgical repair (OSR) due to its superior short-term safety profile. However, opinions are divided regarding its long-term cost-effectiveness, which is reflected in the controversial NICE guidelines on abdominal aortic aneurysm (AAA) repair published in 2018, which advised against EVAR for elective aortic repair due to high secondary intervention rates and resultant associated costs. There is no doubt that OSR continues to have a valuable role to play in aortic repair, but it is not universally applicable, especially in older and sicker patients. Therefore, we should not dismiss EVAR and TEVAR without examining the reasons for long-term failure, and the most obvious starting point is stent graft material properties. Polytetrafluoroethylene (PTFE) and polyester are the two most common stent-graft materials; however, there has been no objective comparison of PTFE and polyester stent-graft post-procedural outcomes in EVAR and TEVAR, or even OSR. This lack of definitive data on different stent-graft materials and their configuration necessitates a comprehensive review to elucidate the post-procedural outcome in terms of endograft failure, cardiovascular events, and aortic-related mortality and morbidity.
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Affiliation(s)
- Niamh Hynes
- CURAM SFI Centre for Medical Devices, Biomedical Sciences, National University of Ireland Galway, Galway, Ireland
- Department of Vascular & Endovascular Surgery, Western Vascular Institute, Galway University Hospital, Galway, Ireland
- Correspondence: Niamh Hynes
| | - Yogesh Acharya
- Department of Vascular & Endovascular Surgery, Western Vascular Institute, Galway University Hospital, Galway, Ireland
| | - Sherif Sultan
- Department of Vascular & Endovascular Surgery, Western Vascular Institute, Galway University Hospital, Galway, Ireland
- Department of Vascular & Endovascular Surgery, Galway Clinic, Galway, Ireland
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Sultan S, Acharya Y, Hezima M, Chua Vi Long K, Soliman O, Parodi J, Hynes N. Two decades of experience in explantation and graft preserving strategies following primary endovascular aneurysm repair and lessons learned. Front Surg 2022; 9:963172. [PMID: 36570807 PMCID: PMC9774497 DOI: 10.3389/fsurg.2022.963172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 07/26/2022] [Indexed: 12/13/2022] Open
Abstract
Objectives We aim to scrutinize our evolving re-intervention strategies following primary endovascular aortic aneurysm repair (EVAR) - EVAR GORE SalvAge Fabric Technique (ARAFAT), aortic sac double breasting with endograft preservation, and stent-graft explantation. Methods We performed 1,555 aortic interventions over the study period, including 910 EVARs. Factors associated with the need for reintervention and the likelihood of chronic fabric fatigue failure (CFFF) were investigated. Using conventional and innovative diagnostic modalities with Prone contrASt enHanced computed tomography Angiography (PASHA), 136 endoleaks (ELs) were identified (15 type I, 98 type II; 18 type III; 5 type IV). Results Forty-four (4.84%) patients underwent re-intervention post-primary EVAR; 18 ARAFATs, 12 double breastings, and 14 explantations. Choice of re-intervention was based on patient fitness and mode of failure. Mean EL detection duration following primary EVAR was 53.3 ± 6.82 months, while mean time to re-intervention was 70.20 ± 6.98 months. The mean sac size before the primary EVAR and re-intervention was 6.00 ± 1.75 cm and 7.51 ± 1.94 cm, respectively. Polyester (61.40%) was the most commonly employed stent-graft material. Use of more than three modular stent-graft components (3.42 ± 1.31, p = 0.846); with the proximal stent-graft diameter of 31.6 ± 3.80 cm (p = 0.651) and the use of iliac limbs more than 17 mm (p = 0.364), all added together are contributing factors. We had one peri-operative mortality following explantation due to sepsis-induced multiorgan failure. Conclusions Our re-intervention strategies matured from stent graft explantation to graft preservation with endovascular relining of the stent-graft. Graft preservation with aortic sacotomy and double breasting were used to manage concealed ELs due to aortic hygroma.
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Affiliation(s)
- Sherif Sultan
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland,Galway: Department of Vascular Surgery and Endovascular Surgery, Galway Clinic, Doughiska, Royal College of Surgeons in Ireland and National University of Ireland, Galway affiliated Hospital, Galway, Ireland,CORRIB-CURAM-Vascular Group, National University of Ireland, Galway, Ireland,Correspondence: Sherif Sultan ,
| | - Yogesh Acharya
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland,Galway: Department of Vascular Surgery and Endovascular Surgery, Galway Clinic, Doughiska, Royal College of Surgeons in Ireland and National University of Ireland, Galway affiliated Hospital, Galway, Ireland
| | - Mohieldin Hezima
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland
| | - Keegan Chua Vi Long
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland
| | - Osama Soliman
- CORRIB-CURAM-Vascular Group, National University of Ireland, Galway, Ireland
| | - Juan Parodi
- Department of Vascular Surgery and Biomedical Engineering Department, Alma mater, University of Buenos Aires, and Trinidad Hospital, Buenos Aires, Argentina,Winston-Salem and St. Louis: Wake Forest University, Winston-Salem, North Carolina and Washington University in St. Louis, St. Louis, Missouri, United States of America
| | - Niamh Hynes
- CORRIB-CURAM-Vascular Group, National University of Ireland, Galway, Ireland
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Lendzion RJ, Frahm-Jensen G, Keck J. Acute Mesenteric Ischemia. Clin Colon Rectal Surg 2022; 35:227-236. [PMID: 35966379 PMCID: PMC9374525 DOI: 10.1055/s-0042-1743283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The surgical treatment of occlusive acute mesenteric ischemia (AMI) without revascularization is associated with an 80% overall mortality. Early diagnosis is crucial, and revascularization may reduce overall mortality in AMI by up to 50%. A diagnosis of AMI requires a high index of clinical suspicion and the collaborative effort of emergency department physicians, general and vascular surgeons, and radiologists. This article provides an overview of the etiology, physiology, evaluation, and management of acute mesenteric ischemia.
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Affiliation(s)
| | | | - James Keck
- Colorectal Department, St. Vincent's Health, Melbourne, Australia
- Department of Colorectal Surgery, Eastern Health, Melbourne, Australia
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Nana P, Spanos K, Dakis K, Karathanos C, Kouvelos G, Giannoukas A. Factors Associated With Noninfectious Fever After Endovascular Aortic Aneurysm Repair. J Endovasc Ther 2021; 29:739-745. [PMID: 34964389 DOI: 10.1177/15266028211065966] [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] [Indexed: 12/07/2022]
Abstract
PURPOSE The post-endovascular abdominal aortic aneurysm repair (EVAR) inflammatory response, which is very often associated with fever, has been ascribed to a wide range of proinflammatory mediators and operative events. The aim of this study was to evaluate the impact of such factors in the development of fever of noninfectious origin after elective EVAR. MATERIALS AND METHODS A retrospective analysis of prospectively collected data of patients treated with standard elective EVAR between February 2017 and December 2020 was undertaken. The database included patients' demographics and comorbidities, as well as laboratory inflammatory markers (white blood cell count, neutrophils, and C-reactive protein [CRP]) and anatomical characteristics (sac diameter, inferior mesenteric artery [IMA] patency and diameter, number of patent lumbar arteries, internal iliac artery [IIA] patency or occlusion). Intraoperative details, such as type of stent graft material and IIA overstenting, were also analyzed. Patients with infectious postoperative complications or previously receiving systemic anti-inflammatory medication were excluded. Statistical analysis was performed by SPSS 22.0 for Windows software (IBM Corp, Armonk, New York). RESULTS From 332 patients treated with elective EVAR between 2017 and 2020, 268 patients (all men) were included in the analysis. The mean age was 72.1±7.5 years and the mean aneurysm diameter was 59.1±12.1 mm. Seventeen patients were excluded due to a known infection site. From the study cohort, 114 (42.5%) patients presented with fever. Multivariate regression analysis confirmed that the occlusion of IMA ≥5 mm (p<0.008) and higher CRP (p<0.001) were independent factors associated with postoperative fever. A subanalysis was performed only on patients with patent IMA before EVAR. In the multivariate regression analysis of this subgroup, IMA ≥5 mm (p=0.008), presence of dyslipidemia (p=0.037), and higher CRP (p<0.001) were related to fever. CONCLUSION Occlusion of an existing wide (≥5 mm) and patent IMA prior to EVAR may contribute to the development of post-EVAR pyrexia. The CRP is a reliable marker for post-EVAR fever. Further prospective studies are needed to corroborate these findings.
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Affiliation(s)
- Petroula Nana
- Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
| | - Konstantinos Spanos
- Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
| | - Konstantinos Dakis
- Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
| | - Christos Karathanos
- Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
| | - George Kouvelos
- Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
| | - Athanasios Giannoukas
- Department of Vascular Surgery, Faculty of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
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Enokiya T, Nishikawa K, Hamada Y, Ikemura K, Sugimura Y, Okuda M. Temporary decrease in tacrolimus clearance in cytochrome P450 3A5 non-expressors early after living donor kidney transplantation: Effect of interleukin 6-induced suppression of the cytochrome P450 3A gene. Basic Clin Pharmacol Toxicol 2020; 128:525-533. [PMID: 33248001 DOI: 10.1111/bcpt.13539] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/17/2020] [Accepted: 11/23/2020] [Indexed: 11/28/2022]
Abstract
Tacrolimus is important for immunosuppression in kidney transplantation. In this historical cohort and in vitro study, we evaluated the changes in tacrolimus pharmacokinetics early after living donor kidney transplantation and the effects of interleukin (IL)-6 on cytochrome P450 3A4 (CYP3A4) and cytochrome P450 3A5 (CYP3A5) expression. In the historical cohort study, 22 patients who met the inclusion criteria were classified into CYP3A5 expressors and non-expressors (n = 16 and 6, respectively). The blood tacrolimus concentration per dose ratio (C/D) temporarily increased post-kidney transplantation on days 3-4 only in CYP3A5 non-expressors. The effects of IL-6 on CYP3A4 and CYP3A5 expression were also investigated in vitro using HepG2 and Caco-2 cells. IL-6 induced a significant concentration- and time-dependent decrease in CYP3A4 and CYP3A5 expression in both cells. The mean CYP3A4 expression level at 12 hours after IL-6 exposure (% of 0 hour) was 44.0 and 62.6 in HepG2 and Caco-2 cells, respectively, whereas the CYP3A5 expression level was 30.7 and 52.4, respectively. We hypothesize that CYP3A5 non-expressors might exhibit a temporary decrease in the oral clearance of tacrolimus via an increase in serum IL-6 concentrations early after kidney transplantation. These results may help develop strategies to improve kidney transplant outcome.
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Affiliation(s)
- Tomoyuki Enokiya
- Laboratory of Pharmacoinformatics, Department of Pharmaceutical Sciences, Suzuka University of Medical Science, Suzuka, Japan
| | - Kohei Nishikawa
- Department of Nephro-Urologic Surgery and Andrology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Yugo Hamada
- Department of Clinical Pharmacy and Biopharmaceutics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Kenji Ikemura
- Department of Clinical Pharmacy and Biopharmaceutics, Mie University Graduate School of Medicine, Tsu, Japan
| | - Yoshiki Sugimura
- Department of Nephro-Urologic Surgery and Andrology, Mie University Graduate School of Medicine, Tsu, Japan
| | - Masahiro Okuda
- Department of Clinical Pharmacy and Biopharmaceutics, Mie University Graduate School of Medicine, Tsu, Japan.,Department of Pharmacy, Osaka University Hospital, Suita, Japan
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Martinelli O, Di Girolamo A, Irace L, Baratta F, Gossetti B, Gattuso R. Post-implantation syndrome: the impact of different devices for endovascular abdominal aortic aneurysm repair and related etiopathogenetic implications. INT ANGIOL 2020; 39:398-404. [DOI: 10.23736/s0392-9590.20.04163-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Martinelli O, Di Girolamo A, Belli C, Gattuso R, Baratta F, Gossetti B, Alunno A, Irace L. Incidence of Post-Implantation Syndrome with Different Endovascular Aortic Aneurysm Repair Modalities and Devices and Related Etiopathogenetic Implications. Ann Vasc Surg 2020; 63:155-161. [DOI: 10.1016/j.avsg.2019.08.095] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/12/2019] [Accepted: 08/13/2019] [Indexed: 11/28/2022]
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Sultan S, Barrett N, Tawfick W, Parodi JC, Hynes N. Contemporary abdominal aortic aneurysm devices, three decades of research and development with big data. Why has the best graft not been produced yet? A missed opportunity. ITALIAN JOURNAL OF VASCULAR AND ENDOVASCULAR SURGERY 2019. [DOI: 10.23736/s1824-4777.19.01417-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ito E, Toya N, Fukushima S, Nishie R, Akiba T, Ohki T. Polyester Grafts Are a Risk Factor for Postimplantation Syndrome after Abdominal Endovascular Aneurysm Repair: Retrospective Analysis for Polyester Graft, Excluder®, and Endologix Powerlink®/AFX®. Ann Vasc Dis 2018; 11:520-524. [PMID: 30637008 PMCID: PMC6326045 DOI: 10.3400/avd.oa.18-00058] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Objective: Postimplantation syndrome (PIS) is a postoperative syndrome that occurs after endovascular aneurysm repair (EVAR), accompanied by high fever, leukocytosis, and high serum C-reactive protein (CRP). Its pathogenesis and clinical meaning are still under discussion. Here, we evaluate the relationship between postoperative fever after EVAR and graft fabric focusing on Endologix Powerlink® and AFX® (EPL/AFX). Materials and Methods: From January 2015 to July 2017, data on elective EVAR for abdominal aortic aneurysm (AAA) using mainbody were retrospectively collected. The primary endpoint was maximal postoperative fever. Results: We identified 128 patients who underwent elective EVAR for AAA (105 males, 82%; aged 57–90, median: 74 years). The median maximal postoperative fever was 37.8°C (36.6–39.7°C): polyester graft, 38.2°C (37.1–39.7°C); Excluder®, 37.8°C (36.6–39.2°C); and EPL/AFX, 37.7°C (37–38.7°C). The maximal postoperative fever with a polyester graft was significantly higher than that with an expanded polytetrafluoroethylene (ePTFE) graft (p<0.001). However, there was no difference between Excluder® and EPL/AFX (p=0.214). Conclusion: In this study, it was found that polyester grafts are significantly associated with PIS after elective EVAR for AAA. If patient anatomy is permitted, it may be better to choose the ePTFE graft, especially for patients with a poor general condition.
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Affiliation(s)
- Eisaku Ito
- Division of Vascular Surgery, The Jikei University Kashiwa Hospital, Kashiwa, Chiba, Japan
| | - Naoki Toya
- Division of Vascular Surgery, The Jikei University Kashiwa Hospital, Kashiwa, Chiba, Japan
| | - Soichiro Fukushima
- Division of Vascular Surgery, The Jikei University Kashiwa Hospital, Kashiwa, Chiba, Japan
| | - Ryosuke Nishie
- Division of Vascular Surgery, The Jikei University Kashiwa Hospital, Kashiwa, Chiba, Japan
| | - Tadashi Akiba
- Department of Surgery, The Jikei University Kashiwa Hospital, Kashiwa, Chiba, Japan
| | - Takao Ohki
- Department of Vascular Surgery, The Jikei University School of Medicine, Tokyo, Japan
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Cytokines as biomarkers of inflammatory response after open versus endovascular repair of abdominal aortic aneurysms: a systematic review. Acta Pharmacol Sin 2018; 39:1164-1175. [PMID: 29770795 DOI: 10.1038/aps.2017.212] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2017] [Accepted: 12/31/2017] [Indexed: 01/01/2023] Open
Abstract
The repair of an abdominal aortic aneurysm (AAA) is a high-risk surgical procedure related to hormonal and metabolic stress-related response with an ensuing activation of the inflammatory cascade. In contrast to open repair (OR), endovascular aortic aneurysm repair (EVAR) seems to decrease the postoperative stress by offering less extensive incisions, dissection, and tissue manipulation. However, these beneficial effects may be offset by the release of cytokines and arachidonic acid metabolites during intra-luminal manipulation of the thrombus using catheters in endovascular repair, resulting in systemic inflammatory response (SIR), which is clinically called post-implantation syndrome. In this systematic review we compared OR with EVAR in terms of the post-interventional inflammatory response resulting from alterations in the circulating cytokine levels. We sought to summarize all the latest evidence regarding post-implantation syndrome after EVAR. We searched Medline (PubMed), ClinicalTrials.gov and the Cochrane library for clinical studies reporting on the release of cytokines as part of the inflammatory response after both open/conventional and endovascular repair of the AAA. We identified 17 studies examining the cytokine levels after OR versus EVAR. OR seemed to be associated with a greater SIR than EVAR, as evidenced by the increased cytokine levels, particularly IL-6 and IL-8, whereas IL-1β, IL-10 and TNF-α showed conflicting results or no difference between the two groups. Polyester endografts appear to be positively correlated with the incidence of post-implantation syndrome after EVAR. Future large prospective studies are warranted to delineate the underlying mechanisms of the cytokine interaction in the post-surgical inflammatory response setting.
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Ascoli Marchetti A, Pratesi G, Di Giulio L, Battistini M, Massoud R, Ippoliti A. EVAR and OPEN treatment of abdominal aortic aneurysm: What is the role of MMP-9 in the follow-up? JOURNAL DE MÉDECINE VASCULAIRE 2017; 42:21-28. [PMID: 28705444 DOI: 10.1016/j.jdmv.2017.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 12/11/2016] [Indexed: 12/13/2022]
Abstract
INTRODUCTION The aim of our study is to verify the role of metalloproteinases in endovascular repair (EVAR) and OPEN surgery treatment for abdominal aortic aneurysm (AAA). Postoperatively, these enzymes could represent an important biomarker to adapt diagnostic tests and further investigations during follow-up. MATERIAL AND METHOD From 2004 to 2008, 55 patients were considered with AAA. Of these, 33 patients (mean age: 70.1 years), (mean AAA diameter: 5.4cm) were treated with OPEN surgery (group A) and 22 (mean age: 74.1 years) (mean AAA diameter: 5.1cm) were treated with EVAR. In 17 of them, there were no signs of endoleak (group B1), while in 5 patients, a presence of endoleak (group B2) was detected. Plasma samples were collected in order to determine MMP-9 activity. Enzyme immunoassay was performed preoperatively at 1, 3, 6 and 12 months. Patients treated conventionally were clinically examined after 1 and 12 months by ultrasound. Patients undergoing EVAR treatment were clinically examined by CT scan after 1, 3, 6 and 12 months. The analysis was done by assessing the interaction over time of the MMP-9 value in B1 and B2 groups. RESULTS The average values observed for MMP-9 were preoperatively and at 1, 3, 6 and 12 months, respectively: in group A 150.8ng/mL (SD=30.5), 252.5ng/mL (SD=25.2), 315.4ng/mL (SD=22.7), 295.3ng/mL (SD=26.8), 210.7ng/mL (SD=30.2); in group B1 105ng/mL (SD=10.8), 125.6ng/mL (SD=18), 85.8ng/mL (SD=19.9), 95ng/mL (SD=20.2), 80.4ng/mL (SD=15.6); in group B2 149ng/mL (29.2), 375.4ng/mL (SD=40.2), 215ng/mL (SD=35.9), 180ng/mL (SD=20.2), 175ng/mL (SD=33.4). The MMP-9 level was higher in group B2 compared to group B1 (P=0.01), suggesting a correlation with the presence of the endoleak. CONCLUSIONS This preliminary study shows that MMP-9 may be a biomarker of the presence of endoleak. Other further investigations and larger series are needed to show that metalloproteases could play a role in the follow-up of EVAR treated patients.
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Affiliation(s)
- A Ascoli Marchetti
- Vascular Surgery, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy.
| | - G Pratesi
- Vascular Surgery, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - L Di Giulio
- Vascular Surgery, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - M Battistini
- Vascular Surgery, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
| | - R Massoud
- Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
| | - A Ippoliti
- Vascular Surgery, Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
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Gerasimidis T, Sfyroeras G, Trellopoulos G, Skoura L, Papazoglou K, Konstantinidis K, Karamanos D, Filaktou A, Parapanisiou E. Impact of Endograft Material on the Inflammatory Response After Elective Endovascular Abdominal Aortic Aneurysm Repair. Angiology 2016; 56:743-53. [PMID: 16327951 DOI: 10.1177/000331970505600612] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The purpose of this paper is to examine the impact of endograft material on the inflammatory response after elective endovascular abdominal aortic aneurysm repair. Consecutive patients (n=22, all men, 53 to 82 years old) were divided into 2 groups according to the graft material used: In group A (n=12) the endovascular device was made of polyester and in group B (n=10) the device was made of expanded polytetrafluoroethylene (ePTFE). All patients received antiinflammatory drugs in the perioperative period. Fever, white blood cells and platelet count, serum concentrations of cytokines (interleukin 6 [IL-6], tumor necrosis factor alpha [TNF-a], interleukin 8 [IL-8], acute-phase proteins high-sensitivity C-reactive protein [hsCRP] and alpha1-antitrypsin [a1-antitrypsin]), and complement protein (C3a) were measured preoperatively and 1, 3, 6, 24, 48, and 72 hours after aneurysm exclusion. One patient in each group had a systemic inflammatory response syndrome with 2 of the systemic inflammatory response syndrome (SIRS) criteria. No other complication associated with inflammation were present in any patient. Fever was more frequent in group A patients. Increases of white blood cells and serum concentrations of IL-6, TNF-a, hsCRP, a1-antitrypsin, and C3a and decrease of platelet count were recorded in both groups, but no statistically significant difference between them was recorded. However, serum concentrations of IL-8 were significantly higher in group A patients 24 hours postoperatively (p=0.01). No significant difference was apparent in the biological response between patients receiving a polyester or an ePTFE stent graft, except for fever and serum concentrations of IL-8.
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Affiliation(s)
- Thomas Gerasimidis
- Fifth Surgical Department, Aristotle's University of Thessaloniki, Thessaloniki, Greece
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Malinzak LE, Long GW, Bove PG, Brown OW, Romano W, Shanley CJ, Zelenock GB, Bendick PJ. Gastrointestinal Complications Following Infrarenal Endovascular Aneurysm Repair. Vasc Endovascular Surg 2016; 38:137-42. [PMID: 15064844 DOI: 10.1177/153857440403800205] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Gastrointestinal complications are known to occur after open elective aortic aneurysm repair. This leads to increased morbidity, mortality, length of stay, and hospital costs. The authors hypothesize a change in the character and/or frequency of early postoperative gastrointestinal complications after endovascular aneurysm repair as compared to open abdominal aortic repair. This is a retrospective cohort study in which the medical records of 153 consecutive patients who underwent endovascular infrarenal aneurysm repair from November 1998 to August 2001 were reviewed for gastrointestinal complications. Of these 153 patients, 9 (5.9%) had postoperative gastrointestinal complications. Three patients (1.9%) underwent exploratory laparotomy for small bowel obstruction. One patient had had a right hemicolectomy for cancer 2 years before stent graft placement. This patient needed a partial small bowel resection. One patient had had a right hemicolectomy 4 months before stent graft placement; he had lysis of adhesions with no bowel resection. A third patient underwent operative repair of an incarcerated inguinal hernia. Six patients (3.9%) had paralytic ileus that was treated by nasogastric tube or observation resulting in an extended hospital length of stay. All cases of ileus resolved without any operative intervention. No patients in this series developed any intestinal ischemia, pancreatitis, cholecystitis, or gastrointestinal bleeding. After endovascular aneurysm repair, gastrointestinal complications such as ileus and postoperative small bowel obstruction are seen with a similar frequency as after open aortic repair. This occurs despite the absence of a laparotomy with mesenteric dissection and evisceration. In this series, these complications are associated with longer hospital length of stay but no increased mortality rate. No instances of colonic ischemia, pancreatitis, cholecystitis, or gastrointestinal bleeding were seen in this series.
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Affiliation(s)
- Lauren E Malinzak
- Department of Surgery, William Beaumont Hospital, Royal Oak, MI 48073, USA
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Rowlands TE, Homer-Vanniasinkam S. Paradoxical Neutrophil Elastase Release in Endovascular Abdominal Aortic Aneurysm Repair. Vasc Endovascular Surg 2016; 41:48-54. [PMID: 17277243 DOI: 10.1177/1538574406294070] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Endovascular repair of abdominal aortic aneurysm potentially avoids problems associated with prolonged aortic cross-clamping that occurs with open repair, but it appears to have its own biologic consequences, which may relate to neutrophil elastase release. Blood samples of consecutive patients undergoing open or endovascular abdominal aneurysm repair were analyzed for neutrophil elastase/α1-antitrypsin complex and free elastase. Free elastase rose from baseline and fell quickly in open repair patients, returning to baseline by 144 hours. In the endovascular repair group, it continued to increase for up to 144 hours. Bound elastase increased to 24 hours, returning to baseline in endovascular repair patients by 72 hours, but remaining elevated in open repair patients at 144 hours. Open repair patients showed raised elastase/α1-antitrypsin complex and initial raised free elastase levels. High free elastase levels in endovascular repair patients may reflect less bound elastase and may paradoxically lead to a prolonged inflammatory postoperative response.
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Affiliation(s)
- Timothy E Rowlands
- Vascular Surgical Unit, The General Infirmary at Leeds, Great George Street, Leeds, United Kingdom.
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16
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Aho PS, Niemi T, Piilonen A, Lassila R, Renkonen R, Lepäntalo M. Interplay between Coagulation and Inflammation in Open and Endovascular Abdominal Aortic Aneurysm Repair — Impact of Intra-Aneurysmal Thrombus. Scand J Surg 2016; 96:229-35. [DOI: 10.1177/145749690709600308] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Aims: Our aim was to compare hemostatic and inflammatory mechanisms in abdominal aortic aneurysm (AAA) patients after open surgery (OPEN) and endovascular AAA repair (ENDO). Subjects and Methods: From the 32 consecutive AAA patients recruited, 17 represented ENDO and 15 OPEN. The intra-aneurysmal thrombus was removed during OPEN, but stayed intact after ENDO. The pre-operative volume of the intra-aneurysmal thrombus was calculated from computed tomography images. Markers of coagulation and inflammation were studied pre-operatively, at one, two, three, four and seven days and at three months postoperatively. Results: Preoperative upregulation of F 1 + 2, TAT and D-dimer was evident in both groups. The volume of intra-aneurysmal thrombus correlated with CRP (β=0.62, p=0.001), IL-6 (β=0.60, p=0.001) and PAI-1 ag (β=0.51, p=0.007). Surgery further enhanced inflammation, coagulation and fibrinolysis. IL-6 increased in both groups, but the increases of CRP and PIIINP were higher in the OPEN group. Postoperative CRP correlated with the intra-aneurysmal thrombus volume in the ENDO group. At three months D-dimer (p<0.05) was higher than pre-operatively in the ENDO, in contrast to the OPEN group. Conclusion: Preoperatively both prothrombotic and fibrinolytic mechanisms are activated in patients with AAA. Intraluminal thrombus induces prothrombotic and inflammatory interactions, which persist after endovascular aortic aneurysm repair.
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Affiliation(s)
- P.-S. Aho
- Department of Vascular Surgery, Helsinki University Central Hospital
| | - T. Niemi
- Department of Anaesthesiology, Helsinki University Central Hospital
| | - A. Piilonen
- Department of Radiology, Helsinki University Central Hospital
| | - R. Lassila
- Department of Hematology, Helsinki University Central Hospital
| | - R. Renkonen
- Laboratory, Helsinki University Central Hospital
- Haartman Institute, University of Helsinki, Helsinki, Finland
| | - M. Lepäntalo
- Department of Vascular Surgery, Helsinki University Central Hospital
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Arnaoutoglou E, Kouvelos G, Papa N, Gartzonika K, Milionis H, Koulouras V, Matsagkas M. Prospective evaluation of postimplantation syndrome evolution on patient outcomes after endovascular aneurysm repair for abdominal aortic aneurysm. J Vasc Surg 2016; 63:1248-55. [DOI: 10.1016/j.jvs.2015.11.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2015] [Accepted: 11/11/2015] [Indexed: 10/22/2022]
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The Effect of Perioperative Ischemia and Reperfusion on Multiorgan Dysfunction following Abdominal Aortic Aneurysm Repair. BIOMED RESEARCH INTERNATIONAL 2015; 2015:598980. [PMID: 26798637 PMCID: PMC4698535 DOI: 10.1155/2015/598980] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Revised: 08/30/2015] [Accepted: 09/07/2015] [Indexed: 12/03/2022]
Abstract
Abdominal aortic aneurysms (AAAs) are relatively common and are potentially life-threatening medical problems. The aim of this review is to provide an overview of the effect of I/R injury on multiorgan failure following AAA repair. The PubMed, CINAHL, EMBASE, Medline, Cochrane Review, and Scopus databases were comprehensively searched for articles concerning the pathophysiology of I/R and its systemic effects. Cross-referencing was performed using the bibliographies from the articles obtained. Articles retrieved were restricted to those published in English. One of the most prominent characteristics of AAA open repair is the double physiological phenomenon of ischemia-reperfusion (I/R) that happens either at the time of clamping or following the aortic clamp removal. Ischemia-reperfusion injury causes significant pathophysiological disturbances to distant organs, increasing the possibility for postoperative multiorgan failure. Although tissue injury is mediated by diverse mechanisms, microvascular dysfunction seems to be the final outcome of I/R.
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An Update on the Inflammatory Response after Endovascular Repair for Abdominal Aortic Aneurysm. Mediators Inflamm 2015; 2015:945035. [PMID: 26166953 PMCID: PMC4488540 DOI: 10.1155/2015/945035] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 06/07/2015] [Accepted: 06/11/2015] [Indexed: 12/14/2022] Open
Abstract
Postimplantation syndrome (PIS) is the clinical and biochemical expression of an inflammatory response following endovascular repair of an aortic aneurysm (EVAR). The goal of this review is to provide an update on the inflammatory response after endovascular repair of abdominal aortic aneurysm, discussing its causes and effects on the clinical outcome of the patient. PIS concerns nearly one-third of patients after EVAR. It is generally a benign condition, although in some patients it may negatively affect outcome. The different definitions and conclusions drawn from several studies reveal that PIS needs to be redefined with standardized diagnostic criteria. The type of the endograft's material seems to play a role in the inflammatory response. Future studies should focus on a better understanding of the underlying pathophysiology, predictors, and risk factors as well as determining whether effective preventive strategies are necessary.
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Watt DG, Horgan PG, McMillan DC. Routine clinical markers of the magnitude of the systemic inflammatory response after elective operation: a systematic review. Surgery 2015; 157:362-80. [PMID: 25616950 DOI: 10.1016/j.surg.2014.09.009] [Citation(s) in RCA: 220] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Accepted: 09/08/2014] [Indexed: 01/10/2023]
Abstract
BACKGROUND Operative injury to the body from all procedures causes a stereotypical cascade of neuroendocrine, cytokine, myeloid, and acute phase responses. This response has been examined commonly by the use of cortisol, interleukin-6 (IL-6), white cell count, and C-reactive protein (CRP). We aimed to determine which markers of the systemic inflammatory response were useful in determining the magnitude of injury after elective operations. METHODS A systematic review of the literature was performed using surgery, endocrine response, systemic inflammatory response, cortisol, IL-6, white cell count, and CRP. For each analyte the studies were grouped according to whether the operative injury was considered to be minor, moderate, or major and then by the operative procedure. RESULTS A total of 164 studies were included involving 14,362 patients. The IL-6 and CRP responses clearly were associated with the magnitude of operative injury and the invasiveness of the operative procedure. For example, the peak CRP response increased from 52 mg/L with cholecystectomy to 123 mg/L with colorectal cancer resection, 145 mg/L with hip replacement, 163 mg/L after abdominal aortic aneurysm repair, and 189 mg/L after open cardiac surgery. There also appeared to be a difference between minimally invasive/laparoscopic and open procedures such as cholecystectomy (27 vs 80 mg/L), colorectal cancer resection (97 vs 133 mg/L), and aortic aneurysm repair (132 vs 180 mg/L). CONCLUSION Peak IL-6 and CRP concentrations consistently were associated with the magnitude of operative injury and operative procedure. These markers may be useful in the objective assessment of which components of Enhanced Recovery after Surgery are likely to improve patient outcome and to assess the possible impact of operative injury on immune function.
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Affiliation(s)
- David G Watt
- Academic Unit of Colorectal Surgery, School of Medicine-University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland.
| | - Paul G Horgan
- Academic Unit of Colorectal Surgery, School of Medicine-University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland
| | - Donald C McMillan
- Academic Unit of Colorectal Surgery, School of Medicine-University of Glasgow, Glasgow Royal Infirmary, Glasgow, Scotland
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21
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The incidence of contrast medium-induced nephropathy following endovascular aortic aneurysm repair: assessment of risk factors. Jpn J Radiol 2015; 33:253-9. [DOI: 10.1007/s11604-015-0408-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 02/25/2015] [Indexed: 10/23/2022]
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The inflammatory response to ruptured abdominal aortic aneurysm is altered by endovascular repair. Int J Vasc Med 2013; 2013:482728. [PMID: 24363936 PMCID: PMC3865732 DOI: 10.1155/2013/482728] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2013] [Accepted: 09/22/2013] [Indexed: 12/11/2022] Open
Abstract
Introduction. Ruptured abdominal aortic aneurysm (rAAA) causes a significant inflammatory response. The study aims to investigate this response following endovascular and open repair of ruptured AAA. Patients and Methods. Consecutive rAAA patients had either endovascular aneurysm repair (EVAR) or open repair (OR). Blood samples were taken for cytokines, lipid hydroperoxides (LOOH), antioxidants, and neutrophil elastase/ α 1-anti-trypsin complexes (NE/AAT) before surgery, 6 hours after clamp release and 1, 3, 5 days postoperatively. Results. 30 patients were included in the study, with 14 undergoing eEVAR and 16 eOR, with comparable baseline comorbidities, age, and parameters. IL-6 peaked higher in eOR patients (P = 0.04), while p75TNFr was similar between groups except at day 5 (P = 0.04). The NE/AAT concentrations were higher in eOR patients (P = 0.01), particularly in the first postoperative day, and correlated with blood (r = 0.398, P = 0.029) and platelet (r = 0.424, P = 0.020) volume transfused. C-reactive protein rose and lipid hydroperoxide fell in both groups without significant intergroup difference. Vitamins C and E, lycopene, and β -carotene levels were similar between groups. Conclusion. EVAR is associated with lower systemic inflammatory response compared to OR. Its increased future use may thereby improve outcomes for patients.
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Corfield L, Chan J, Chance T, Wilson N. Early pyrexia after endovascular aneurysm repair: are cultures needed? Ann R Coll Surg Engl 2010; 93:111-3. [PMID: 21073819 DOI: 10.1308/003588411x12851639107719] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
INTRODUCTION The post-implantation syndrome after endovascular aneurysm repair (EVAR) is increasingly recognised. However, when non-vascular trainees are responsible for the care of these patients out of hours, many are investigated if pyrexial. This study assesses the role of microbiological investigations in pyrexia after endovascular aneurysm repair. PATIENTS AND METHODS The notes of 75 EVAR patients were reviewed retrospectively. The incidence of postoperative pyrexia and infective complications were calculated and the result of any cultures obtained. RESULTS Overall, 58 (77.3%) patients were pyrexial with 48 h of stent insertion. Twenty-four had blood cultures and 12 had urine cultures taken within 48 h of surgery. All of these cultures were negative. However, of those with a pyrexia after 48 h, one of nine blood cultures and two of 11 urine cultures grew organisms. Five pyrexial patients and one apyrexial patient developed a wound infection (a non-significant difference, P = 1.00). CONCLUSIONS Pyrexia within 48 h of EVAR is common. Microbiological investigation in the first 48 h in these patients is unrewarding. After 48 h, cultures are more likely to show growth. Although each patient must be assessed clinically for signs of sepsis, blood and urine cultures within 48 h of EVAR are generally unnecessary.
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Affiliation(s)
- L Corfield
- Department of Vascular Surgery, Kent and Canterbury Hospital, Canterbury, Kent, UK.
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Moulakakis K, Matoussevitch V, Borgonio A, Gawenda M, Brunkwall J. Evidence that Statins Protect Renal Function During Endovascular Repair of AAAs. Eur J Vasc Endovasc Surg 2010; 40:608-15. [DOI: 10.1016/j.ejvs.2010.05.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Accepted: 05/04/2010] [Indexed: 10/19/2022]
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Arya N, Sharif MA, Lau LL, Lee B, Hannon RJ, Young IS, Soong CV. Retroperitoneal approach to abdominal aortic aneurysm repair preserves splanchnic perfusion as measured by gastric tonometry. Ann Vasc Surg 2009; 24:321-7. [PMID: 19748210 DOI: 10.1016/j.avsg.2009.06.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2008] [Revised: 01/23/2009] [Accepted: 06/04/2009] [Indexed: 11/18/2022]
Abstract
BACKGROUND We investigated if minimizing bowel manipulation and mesenteric traction using the retroperitoneal approach in open abdominal aortic aneurysm (AAA) repair preserves splanchnic perfusion, as measured by gastric tonometry, and reduces the systemic inflammatory response and dysfunction of the various organs. METHODS Patients undergoing elective AAA repair were randomized into three groups. Group I had repair via the retroperitoneal approach, while groups II and III were repaired via the transperitoneal approach with the bowel packed within the peritoneal cavity or exteriorized in a bowel bag, respectively. A tonometer was used to measure gastric intramucosal pH (pHi), as an indicator of splanchnic perfusion, just prior to aortic clamping, during clamping, and at 0.5, 1, 2, 4, 6, and 12 hr after clamp release. Multiorgan dysfunction syndrome (MODS) and systemic inflammatory response syndrome (SIRS) scores were calculated and systemic interleukins (IL-6 and IL-10) measured at predetermined intervals. RESULTS Thirty-four patients were successfully randomized. The gastric pHi was significantly lower in group II (n=12) and group III (n=11) compared to group I (n=11) during aortic clamping and immediately after clamp release (p<0.05). The aortic clamp time, blood loss, MODS and SIRS scores, and systemic cytokine response were similar in all three groups. When the three groups were combined, there were significant positive correlations between the operation time, aortic clamp time, and amount of blood lost and transfused with plasma IL-6 levels and MODS score on the first postoperative day. CONCLUSION The retroperitoneal approach for open AAA repair is associated with gastric tonometric evidence of better splanchnic perfusion compared to the transperitoneal approach.
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Affiliation(s)
- Nityanand Arya
- Vascular and Endovascular Unit, Belfast City Hospital, and Department of Medicine, Queen's University, Belfast, UK.
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Sommer CM, Radeleff BA. A novel approach for percutaneous treatment of massive nonocclusive mesenteric ischemia: tolazoline and glycerol trinitrate as effective local vasodilators. Catheter Cardiovasc Interv 2009; 73:152-5. [PMID: 19156878 DOI: 10.1002/ccd.21811] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Nonocclusive mesenteric ischemia (NOMI) generally affects patients with low cardiac output, resulting in splanchnic hypoperfusion. It includes all forms of mesenteric ischemia without vessel occlusion and makes up between 20 and 30% of all cases of acute mesenteric ischemia. We present the case of a 84-year-old man with a history of total atrioventricular block developing NOMI. This was diagnosed by percutaneous selective catheter arteriography (PSCA), which demonstrated remarkable abrupt termination of the jejunal vasculature and multiple severe spasms of the colonic arteries. Control PSCA after local intraarterial vasodilator therapy (LIVT) with tolazoline and glycerol trinitrate documented an excellent therapeutic result with a completely unremarkable vasculature. Although LIVT was complicated by severe cardiovascular complications inclusive of cardiac arrest with the need of cardiopulmonary resuscitation, the patient fully recovered and was discharged after implantation of a cardiac pacemaker in good clinical condition 7 days later.
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A comparative study of myocardial injury during conventional and endovascular aortic aneurysm repair: measurement of cardiac troponin T and plasma cytokine release. Ir J Med Sci 2009; 179:35-42. [PMID: 19221832 DOI: 10.1007/s11845-009-0282-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2008] [Accepted: 01/08/2009] [Indexed: 10/21/2022]
Abstract
BACKGROUND Major aortic surgery results in significant haemodynamic and oxidative stress to the myocardium. Cytokine release is a major factor in causing cardiac injury during aortic surgery. Endovascular aortic aneurysm repair (EVAR) has the potential to reduce the severity of the ischaemia reperfusion syndrome and its systemic consequences. AIM The aim of this study was to investigate the occurrence of myocardial injury during conventional and endovascular abdominal aortic aneurysm repair using measurement of the myocardial-specific protein, cardiac troponin T. Interleukin-6 was also measured in both groups and haemodynamic responses to surgery assessed. METHODS Nine consecutive patients undergoing conventional infra-renal aortic aneurysm surgery were compared with 13 patients who underwent EVAR. Patients were allocated on the basis of aneurysm morphology and suitability for endovascular repair. RESULTS Patients undergoing open repair had significantly more haemodynamic disturbance than those having endovascular repair (mean arterial pressure at 5 min following unclamping or balloon deflation: open (69.6 + 3.3 mmHg); endovascular (86 + 4.4 mmHg), P < 0.05 vs. pre-op). Troponin T levels at 48 h post-operatively were higher in patients who underwent open repair (open 0.164 + 0.1 ng/ml; endovascular 0.008 + 0.0005 ng/ml, P < 0.04). Significantly more patients in the open repair group had troponin T levels > 0.1 ng/l when compared with the endovascular group (P < 0.01, chi (2) test) CONCLUSION Endovascular aortic surgery produces significantly less myocardial injury than the open technique of aortic aneurysm repair.
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Sadat U, Boyle JR, Walsh SR, Tang T, Varty K, Hayes PD. Endovascular vs open repair of acute abdominal aortic aneurysms—A systematic review and meta-analysis. J Vasc Surg 2008; 48:227-36. [DOI: 10.1016/j.jvs.2007.11.028] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2007] [Revised: 11/07/2007] [Accepted: 11/11/2007] [Indexed: 01/25/2023]
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Leppikangas H, Tenhunen JJ, Lindgren L, Salenius JP, Ruokonen E. Effects of levosimendan on indocyanine green plasma disappearance rate and the gastric mucosal-arterial pCO2 gradient in abdominal aortic aneurysm surgery. Acta Anaesthesiol Scand 2008; 52:785-92. [PMID: 18477074 DOI: 10.1111/j.1399-6576.2008.01659.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Levosimendan has a dual mechanism of action: it improves myocardial contractility and causes vasodilatation without increasing myocardial oxygen demand. In a laboratory setting, it selectively increases gastric mucosal oxygenation in particular and splanchnic perfusion in general. The aim of our study was to describe the effects of levosimendan on systemic and splanchnic circulation during and after abdominal aortic surgery. METHODS Twenty abdominal aortic aneurysm surgery patients were randomized to receive either levosimendan (n=10) or placebo (n=10) in a double-blinded manner. Both the mode of anaesthesia and the surgical procedures were performed according to the local guidelines. Automatic gas tonometry was used to measure the gastric mucosal partial pressure of carbon dioxide. Systemic indocyanine green clearance plasma disappearance rate (ICG-PDR) was used to estimate the total splanchnic blood flow. RESULTS The immediate post-operative recovery was uneventful in the two groups with a comparable, overnight length of stay in the intensive care unit. Cumulative doses of additional vasoactive drugs were comparable between the groups, with a tendency towards a higher cumulative dose of noradrenaline in the levosimendan group. After aortic clamping, the cardiac index was higher [4(3.8-4.7) l/min/m(2) vs. 2.6(2.3-3.6) l/min/m(2); P<0.05] and the gastric mucosal-arterial pCO(2) gradient was lower in levosimendan-treated patients [0.9(0.6-1.2) kPa vs. 1.7(1.2-2.1) kPa; (P<0.05)]. However, the total splanchnic blood flow, estimated by ICG-PDR, was comparable [29(21-29)% vs. 20(19-25)%; NS]. Organ dysfunction scores (sequential organ dysfunction assessment) were similar between the groups on the fifth post-operative day. CONCLUSION Levosimendan favours gastric perfusion but appears not to have a major effect on total splanchnic perfusion in patients undergoing an elective aortic aneurysm operation.
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Affiliation(s)
- H Leppikangas
- Critical Care Medicine Research Group, Department of Intensive Care, Tampere University Hospital, Tampere, Finland.
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Vasdekis SN, Argentou M, Kakisis JD, Bossios A, Gourgiotis D, Karanikolas M, Karatzas G. A Global Assessment of the Inflammatory Response Elicited Upon Open Abdominal Aortic Aneurysm Repair. Vasc Endovascular Surg 2008; 42:47-53. [DOI: 10.1177/1538574407308942] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The inflammatory response during elective open infrarenal abdominal aortic aneurysm repair and its impact on outcome is investigated. Twenty high-risk patients were enrolled, and blood samples were obtained at 8 perioperative time points. Endotoxin, cytokines (tumor necrosis factor-α and interleukin-1β, and interleukin-6), CD11b expression, and nitric oxide were measured. Peak endotoxin levels occurred within 30 minutes of reperfusion and were higher among patients developing complications. Interleukin-6 levels increased during reperfusion, reaching a peak on the first postoperative day. Interleukin-6 increase correlated with aortic clamp time and morbidity. CD11b expression increased 30 minutes after reperfusion, and this effect was greater among patients who developed complications. Endotoxin may be important in the pathogenesis of multiple organ dysfunction syndrome. Activated neutrophils may have a central role in tissue injury after reperfusion. Intraoperative CD11b upregulation may be an early marker for postoperative complications after infrarenal abdominal aortic aneurysm repair.
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Affiliation(s)
- Spyros N. Vasdekis
- Vascular Unit, 3rd Department of Surgery, University Hospital 'Attikon', Athens University Medical School, Athens,
| | | | - John D. Kakisis
- Vascular Unit, 3rd Department of Surgery, University Hospital 'Attikon', Athens University Medical School, Athens
| | - Apostolos Bossios
- Department of Pediatrics Research Laboratory, Aglaia Kyriakou Hospital, Athens University Medical School, Athens, Greece
| | - Dimitrios Gourgiotis
- Department of Pediatrics Research Laboratory, Aglaia Kyriakou Hospital, Athens University Medical School, Athens, Greece,
| | | | - Gabriel Karatzas
- Vascular Unit, 3rd Department of Surgery, University Hospital 'Attikon', Athens University Medical School, Athens
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Walsh SR, Tang TY, Boyle JR. Renal Consequences of Endovascular Abdominal Aortic Aneurysm Repair. J Endovasc Ther 2008; 15:73-82. [PMID: 18254679 DOI: 10.1583/07-2299.1] [Citation(s) in RCA: 111] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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32
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Donati A, Cornacchini O, Loggi S, Caporelli S, Conti G, Falcetta S, Alò F, Pagliariccio G, Bruni E, Preiser JC, Pelaia P. A comparison among portal lactate, intramucosal sigmoid Ph, and deltaCO2 (PaCO2 - regional Pco2) as indices of complications in patients undergoing abdominal aortic aneurysm surgery. Anesth Analg 2004; 99:1024-1031. [PMID: 15385343 DOI: 10.1213/01.ane.0000132543.65095.2c] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Our aim in this observational, prospective, noncontrolled study was to detect, in 29 patients who underwent abdominal aortic aneurysm (AAA) surgery, correlations between the incidence of postoperative organ failure and intraoperative changes in arterial and portal blood lactate; changes in intramucosal sigmoid pH (pHi); differences between sigmoid Pco(2) and arterial Pco(2) (DeltaCO(2)); and hemoglobin (Hb). Hb, arterial blood lactate concentrations, pHi, and DeltaCO(2) (air tonometry) were recorded at the start of anesthesia (T0), before aorta clamping (T1), 30 minutes after clamping (T2), and at the end of surgery (T3). Portal venous lactate concentrations were recorded at T1 and T2. Patients were stratified into two groups: group A patients had no postoperative organ failure, and group B patients had one or more organ failures. As compared with group A (n = 16), group B patients (n = 13) had a lower pHi value at T2 and T3 and a higher DeltaCO(2) at T3. A pHi value of <7.15 was a predictor of organ failure, with a sensitivity of 92.3%, a specificity of 68.8%, and positive and negative predictive values of 70.6% and 91.7%, respectively, whereas a DeltaCO(2) value of >28 mm Hg predicted later organ failure with a sensitivity of 92.3%, a specificity of 62.5%, and positive and negative predictive values of 66.6% and 90.9%, respectively. Portal venous lactate concentrations were larger in group B at T2 (P < 0.001), and an increase >or=5 g/dL predicted later postoperative organ failure with a sensitivity of 92.3%, a specificity of 100%, and positive and negative predictive values of 100% and 94.1%, respectively. The comparison of the receiving operator characteristic curves to test the discrimination of each variable and the logistic regression analysis revealed that the increase in portal lactate was the best predictor for the development of postoperative organ failure. Hb concentration was significantly smaller in group B at T0 (13.8 +/- 1.0 g/dL versus 12.2 +/- 2.2 g/dL) and T2 (10.9 +/- 1.2 g/dL versus 9.1 +/- 1.9 g/dL). In conclusion, both pHi and DeltaCO(2) are reasonably sensitive prognostic indices of organ failures after AAA surgery, but they are less specific and accurate than portal venous lactate.
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Affiliation(s)
- Abele Donati
- *Department of Neuroscience, Anesthesia and Intensive Care Unit, and †Department of Vascular Surgery, Marche Polytechnique University, Ancona, Italy; and ‡Department of Intensive Care, University Hospital of Liege, Liege, Belgium
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Norwood MGA, Bown MJ, Sayers RD. Ischaemia-Reperfusion Injury and Regional Inflammatory Responses in Abdominal Aortic Aneurysm Repair. Eur J Vasc Endovasc Surg 2004; 28:234-45. [PMID: 15288625 DOI: 10.1016/j.ejvs.2004.03.026] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2004] [Indexed: 11/26/2022]
Abstract
OBJECTIVES The inflammatory response to abdominal aortic aneurysm repair is likely to result in response to an ischaemia-reperfusion injury (IRI) to the lower-limbs and gastrointestinal tract. This paper reviews the pathogenesis of the inflammatory response to abdominal aortic aneurysm repair, with specific reference to the levels of evidence in the current literature regarding the potential origin of the inflammatory response. DESIGN Review article. METHODS The current literature (1966 to August 2003) was reviewed specifically for all articles employing techniques of regional blood sampling from the venous drainage of the lower limbs or gastrointestinal tract during abdominal aortic aneurysm repair. RESULTS Ten relevant studies were identified. These demonstrated that regional blood sampling techniques could be easily performed, and provided useful information regarding the potential sites of origin of the inflammatory response. CONCLUSIONS Regional blood sampling techniques provide useful information regarding the potential sites of origin of the inflammatory response. Current evidence suggests that both the lower limbs and gastrointestinal tract are clearly important in their roles, however more work is now required to compare directly the roles and contributions of the lower limbs and gastrointestinal tract to the inflammatory response during abdominal aortic aneurysm repair.
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Affiliation(s)
- M G A Norwood
- Department of Vascular Surgery, University of Leicester, Leicester, UK
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Lundberg CJF, Norgren L. Superior mesenteric arterial blood flow during infrarenal aortic surgery. Eur J Vasc Endovasc Surg 2004; 28:339-41. [PMID: 15288641 DOI: 10.1016/j.ejvs.2004.03.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/30/2004] [Indexed: 11/19/2022]
Affiliation(s)
- C J F Lundberg
- Department of Anesthesiology and Intensive Care, Lund University Hospital, Lund, Sweden
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Kolkman JJ, Mensink PBF. Non-occlusive mesenteric ischaemia: a common disorder in gastroenterology and intensive care. Best Pract Res Clin Gastroenterol 2003; 17:457-73. [PMID: 12763507 DOI: 10.1016/s1521-6918(03)00021-0] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Non-occlusive mesenteric ischaemia is characterized by gastrointestinal ischaemia with normal vessels. In gastroenterology it is recognized as rare disease occasionally causing acute bowel infarction or ischaemic colitis. From intensive care literature this disorder is recognized as an early phenomenon during circulatory stress. This early mucosal ischaemia then leads to increased permeability, bacterial translocation, and further mucosal hypoperfusion. The damage is produced mainly during reperfusion following ischaemia with fresh inflow of oxygen and outflow of waste products into the systemic circulation. The mechanisms underlying non-occlusive mesenteric ischaemia include macrovascular vasoconstriction, hypoperfusion of the tips of the villi and shunting. It is very common in critically ill and perioperative patients, but also occurs in pancreatitis, renal failure and sepsis. Treatment options include aggressive fluid resuscitation and careful choice of vasoactive drugs. Control of reperfusion damage and new endothelin-antagonists are potentially useful new treatment options.
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Affiliation(s)
- Jeroen J Kolkman
- Medisch Spectrum Twente, Department of Internal Medicine and Gastroenterology, P.O. Box 50.000, KA Enschede 7500, The Netherlands.
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Junnarkar S, Lau LL, Edrees WK, Underwood D, Smye MG, Lee B, Hannon RJ, Soong CV. Cytokine Activation and Intestinal Mucosal and Renal Dysfunction Are Reduced in Endovascular AAA Repair Compared to Surgery. J Endovasc Ther 2003. [DOI: 10.1583/1545-1550(2003)010<0195:caaima>2.0.co;2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Junnarkar S, Lau LL, Edrees WK, Underwood D, Smye MG, Lee B, Hannon RJ, Soong CV. Cytokine activation and intestinal mucosal and renal dysfunction are reduced in endovascular AAA repair compared to surgery. J Endovasc Ther 2003; 10:195-202. [PMID: 12877599 DOI: 10.1177/152660280301000206] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To compare endovascular (EVR) to open repair (OR) of abdominal aortic aneurysm (AAA) for cytokine activation, changes in the intestinal mucosal barrier, and renal dysfunction. METHODS In a prospective nonrandomized study, 15 patients admitted to a university hospital for elective infrarenal AAA repair (8 OR and 7 EVR) were recruited. Intestinal permeability was assessed preoperatively (PO), at day 1 (D1), and at day 3 (D3) after surgery using the lactulose/mannitol differential excretion (LMR) test. Renal damage was assessed from measurements of the urinary albumin:creatinine ratio (ACR); cytokine activation was based on the urinary concentration of tumor necrosis factor receptor p55 (TNF-Rp55) at the same time points. Serum creatinine and urea concentrations were measured preoperatively and daily for 5 days postoperatively. RESULTS A significant increase in LMR was found in the OR group at D1 and D3 compared to PO (p<0.05). The LMR increase at D3 was significantly greater in the OR group (p<0.01). A significant difference was observed in the percentage rise in ACR on D1 in the OR group compared to the EVR group (p<0.005). The urinary TNF-Rp55 concentration was significantly elevated in the OR group at D1 (p<0.05) and D3 (p<0.05) compared to baseline; in the EVR group, it was elevated at D1 (p<0.05) compared to PO. The difference was also significant for this marker between the 2 groups at D1 (p<0.01). No significant change was observed in the serum creatinine or urea concentrations in either group perioperatively. CONCLUSIONS Endovascular AAA repair is associated with less cytokine production and less intestinal and renal dysfunction compared to the open approach.
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Affiliation(s)
- Sameer Junnarkar
- Vascular Surgery Unit, Belfast City Hospital, Northern Ireland, UK.
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Slappy ALJ, Hakaim AG, Oldenburg WA, Paz-Fumagalli R, McKinney JM. Femoral incision morbidity following endovascular aortic aneurysm repair. Vasc Endovascular Surg 2003; 37:105-9. [PMID: 12669141 DOI: 10.1177/153857440303700204] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Currently available aortic stent-grafts require bilateral femoral incisions for device deployment. The incidence of morbidity (infection, lymphatic complications, breakdown) of vertical, infrainguinal incisions used in endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms (AAAs) was assessed, and the natural history of asymptomatic groin fluid collections following such procedures was determined. Between June 1999 and February 2001, 77 consecutive patients underwent EVAR for AAAs utilizing bilateral vertical femoral incisions. Fifty-nine (77%) bifurcated stent-grafts (BSGs), and 18 (23%) aortouniiliac (AUI) devices, with femorofemoral bypass were performed. Patients returned at 2 weeks, 1 month, and 6 months for physical examination, and 1 month and 6 months for abdominal and pelvic computed tomography (CT) scans. The presence of fluid collections was determined from the dictation report of the attending radiologist. Data are reported as (n) mean +/-SE. Patient characteristics were compared using Fisher's exact test; p<0.05 considered significant. There were 72 males and 5 females, age 75 +/-6.4 years and aneurysm size (77) 5.6 +/-0.8 cm. There were no cases of wound breakdown or lymph fistula. Wound infections occurred in 3/150 incisions (2%), 2/34 AUI incisions (6%), and 1/116 BSG incisions (0.86%). There was no statistical difference (p=0.13) between graft types (BSG vs AUI). All infections were diagnosed clinically before the 1-month CT scan, treated without operative intervention or hospitalization, and resolved. There was a significant decrease in the BSG group and overall in asymptomatic wound fluid collections from 1 to 6 months postoperatively. At 1 and 6 months, respectively, the BSG group had 17 (14.6%) and 3 (2.6%) fluid collections out of 116 incisions (p=0.003); the AUI group had 6 (17.6%) and 1 (2.9%) fluid collection(s) out of 34 incisions (p=0.13); and overall 23 (15.3%) and 4 (2.6%) out of 150 incisions (p=0.004). The present study demonstrates that bilateral vertical femoral incisions used in EVAR have a wound infection rate of 2.0%. Infections are usually detected and treated clinically and empirically without the need for hospitalization or surgery. Asymptomatic groin wound fluid collections resolve significantly within 6 months without intervention. Therefore, surgical femoral artery exposure adds little morbidity to the endovascular repair of abdominal aortic aneurysms.
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Affiliation(s)
- A L Jackson Slappy
- Department of General Surgery, Mayo Clinic, Jacksonville, FL 32224, USA.
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Hinchliffe RJ, Armon MP, Tse CCW, Wenham PW, Hopkinson BR. Colonic Infarction Following Endovascular AAA Repair:A Multifactorial Complication. J Endovasc Ther 2002. [DOI: 10.1583/1545-1550(2002)009<0554:cifear>2.0.co;2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Hinchliffe RJ, Armon MP, Tse CCW, Wenham PW, Hopkinson BR. Colonic infarction following endovascular AAA repair: a multifactorial complication. J Endovasc Ther 2002; 9:554-8. [PMID: 12223020 DOI: 10.1177/152660280200900428] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To report a case of colonic infarction following endovascular abdominal aortic aneurysm (AAA) repair in a patient with both internal iliac arteries (IIA) unobstructed by the endograft. CASE REPORT A 73-year-old man presented with blue toes as a result of emboli from a 6.4-cm AAA. As he was medically at high risk for open repair and his aneurysm morphology was suitable for a modular bifurcated endovascular graft, a Zenith endograft was used to exclude the aneurysm. Twenty hours after the successful procedure, in which both IIAs were preserved, the patient regurgitated coffee-ground vomit; an upper gastrointestinal endoscopy found a small Mallory-Weiss tear and antral gastritis. A proton-pump inhibitor was begun, but his symptoms progressed. Laparotomy revealed transmural ischemia and infarction of the upper rectum, sigmoid, descending colon, and the splenic flexure; a colonic resection with formation of Hartmann's pouch and colostomy was performed. He made a slow but uncomplicated recovery. CONCLUSIONS Colonic necrosis can complicate endovascular AAA repair even when both IIAs are preserved. Advantageously, the clinical signs of severe colonic ischemia in endograft patients are not obscured by aftereffects of a laparotomy.
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Affiliation(s)
- Robert J Hinchliffe
- Department of Vascular and Endovascular Surgery, University Hospital, Nottingham, England, UK.
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Sweeney KJ, Evoy D, Sultan S, Coates C, Moore DJ, Shanik DG, Kell MR, Reynolds JV. Endovascular approach to abdominal aortic aneurysms limits the postoperative systemic immune response. Eur J Vasc Endovasc Surg 2002; 23:303-8. [PMID: 11991690 DOI: 10.1053/ejvs.2001.1585] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES endovascular repair of abdominal aortic aneurysms (E-AAA) has in recent years developed as an alternative to the conventional open repair (C-AAA). Adverse outcomes following the open approach may relate to immune cell activation and the systemic inflammatory response syndrome (SIRS) and organ failure but the benefits in this respect of the endovascular approach are unclear. This study evaluated this question and focused on T-cell activation and function. DESIGN prospective clinical study. MATERIALS twenty patients undergoing abdominal aortic aneurysm repair (12 C-AAA and 8 E-AAA). METHODS peripheral T-cell expression of surface markers CD69, CD62L and CD25 in vivo and Interleukin 2 (IL-2) and Interleukin-10 (IL-10) responses to the superantigen staphylococcal enterotoxin B (SEB) in vitro were measured preoperatively, 24 h and 1 week postoperatively. RESULTS there was no significant increase (p=0.23) in the incidence of SIRS in the open compared with the endovascular group. Enhanced T cell activation occurred following C-AAA and this was associated with significantly greater IL-2 production in response to SEB, with no change in IL-10 production. CONCLUSIONS E-AAA attenuates proinflammatory T-cell changes compared with C-AAA repair. A reduction in T-cell activation and impaired responsiveness to superantigen suggests that the immunological sequelae of the endovascular approach to aneurysm repair is more favourable than after the open approach with potentially less risk of adverse outcomes. Proof of this thesis will require a larger prospective study.
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Affiliation(s)
- K J Sweeney
- Academic Department of Surgery, St James's Hospital, Dublin 8, Ireland
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Dadian N, Ohki T, Veith FJ, Edelman M, Mehta M, Lipsitz EC, Suggs WD, Wain RA. Overt colon ischemia after endovascular aneurysm repair: the importance of microembolization as an etiology. J Vasc Surg 2001; 34:986-96. [PMID: 11743550 DOI: 10.1067/mva.2001.119241] [Citation(s) in RCA: 105] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE The purpose of this study was to analyze the incidence, severity, and etiologic factors of the development of colon ischemia after endovascular aortoiliac aneurysm repair (EVAR). METHODS During the last 9 years we performed 278 elective EVARs using a variety of grafts. To facilitate these repairs, one hypogastric artery (HA) was coil embolized in 109 patients and both HAs were coil embolized in 13 patients. The preprocedural status of the inferior mesenteric, hypogastric, and iliac arteries as well as anatomical characteristics of the abdominal aortic aneurysm were determined arteriographically and by computerized tomographic scans. Postoperative colon ischemia was documented by colonoscopy or operative findings. RESULTS Colon ischemia occurred in eight patients (2.9%). Three patients with colon ischemia died and had evidence of widespread (cutaneous, renal, small bowel, and/or lower extremity) microembolization. One of these three had a colectomy and microscopic emboli were present. One other patient who required a colectomy also had pathologic evidence of colonic microembolization but survived. Four other patients with colon ischemia were treated conservatively and survived. In one patient, previous colectomy with interruption of mesenteric collaterals may have been a contributory cause of colon ischemia. Of the eight patients with colon ischemia, only one had unilateral HA occlusion, and none had bilateral HA occlusion. The other 121 patients with unilateral and bilateral HA occlusion had no evidence of colon ischemia. CONCLUSIONS Colon ischemia occurs after EVAR with an incidence approximating that of open repair. Colon ischemia was unrelated to HA interruption. Embolization appears to be a major cause of colon ischemia, although inadequate mesenteric collateral circulation may also play an etiologic role. Mortality with colon ischemia accompanied by widespread embolization was high, whereas colon ischemia without it was often mild and amenable to nonoperative management.
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Affiliation(s)
- N Dadian
- Division of Vascular Surgery Montefiore Medical Center - Albert Einstein College of Medicine, New York, New York, USA
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Rowlands TE, Homer-Vanniasinkam S. Pro- and anti-inflammatory cytokine release in open versus endovascular repair of abdominal aortic aneurysm. Br J Surg 2001; 88:1335-40. [PMID: 11578287 DOI: 10.1046/j.0007-1323.2001.01927.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Pro- and anti-inflammatory cytokine release occurs with abdominal aortic aneurysm (AAA) repair although the relative contribution of each is currently poorly understood. Ischaemia-reperfusion injury is thought to play a greater role following open (OR) than endovascular (ER) repair, with resultant greater perioperative morbidity. METHODS Thirty-two patients undergoing OR (n = 16) and ER (n = 16) of AAA were studied. Systemic venous (SV) blood was taken at induction (baseline), 0 h (last clamp off), 4, 24, 72 and 144 h, and femoral venous (FV) blood (indwelling catheter; lower torso venous effluent) at 0, 4 and 24 h. The cytokines interleukin (IL) 6, IL-8 and IL-10 were measured in these samples. RESULTS In OR, SV and FV IL-6 increased from baseline to a peak at 24 h (SV 589 pg/ml (P = 0.001 versus baseline) and FV 848 pg/ml (P = 0.05)) before declining at 144 h. In ER, there was a similar pattern but the increase was smaller (24 h: SV 260 pg/ml (P = 0.003 versus baseline) and FV 319 pg/ml (P = 0.06)) at all equivalent timepoints compared with OR. IL-8 peaked earlier (4 h) from baseline in both groups before declining by 144 h, and significant differences between SV and FV were seen only in the OR group. IL-10 levels peaked in both groups at 24 h before declining at 144 h, and there were no significant locosystemic differences between the groups. CONCLUSION Venous pro-inflammatory cytokine changes (IL-6) are consistent with significantly greater lower-torso reperfusion injury in patients undergoing OR. Smaller responses were seen after ER (IL-6 and IL-8), although both groups showed a similar anti-inflammatory response (IL-10); this pro- and anti-inflammatory imbalance may account for the increased morbidity associated with OR.
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Affiliation(s)
- T E Rowlands
- Vascular Surgical Unit, The General Infirmary at Leeds, Great George Street, Leeds LS1 3EX, UK
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Swartbol P, Truedsson L, Norgren L. The Inflammatory Response and its Consequence for the Clinical Outcome Following Aortic Aneurysm Repair. Eur J Vasc Endovasc Surg 2001; 21:393-400. [PMID: 11352512 DOI: 10.1053/ejvs.2001.1352] [Citation(s) in RCA: 65] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE to review published studies on the outcome of the inflammatory response after abdominal aortic aneurysm (AAA) repair. METHODS a literature search on PubMed was performed. All studies that determined the inflammatory response (cytokine release) after AAA repair were included. The results of the studies and differences between open and endoluminal repair were compared and evaluated. RESULTS seventeen studies were identified. In most studies the investigated cytokines were TNF-alpha and IL-6. Determination of IL-1 beta, IL-8, TNFsr1 and TNFsr2 were less often performed. TNF-alpha may reflect, but not strictly predict, the clinical outcome in patients with ruptured AAA. IL-6 levels correlate well with the surgical trauma per se. Variations in recorded cytokine release during endovascular AAA repair may depend on the times of blood sampling. CONCLUSION both open and endovascular AAA repair provoke a cytokine response. This response is greater during open repair than during endovascular aortic aneurysm exclusion.
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Affiliation(s)
- P Swartbol
- Department of Vascular Diseases, University Hospital MAS, Malmö, Sweden
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Lau LL, Gardiner KR, Martin L, Halliday MI, Hannon RJ, Lee B, Soong CV. Extraperitoneal Approach Reduces Neutrophil Activation, Systemic Inflammatory Response and Organ Dysfunctionin Aortic Aneurysm Surgery. Eur J Vasc Endovasc Surg 2001; 21:326-33. [PMID: 11359333 DOI: 10.1053/ejvs.2001.1304] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES to compare the effects of transperitoneal and extraperitoneal approaches on systemic inflammatory response, neutrophil activation and organ dysfunction in elective abdominal aortic aneurysm (AAA) repair. PATIENTS AND METHODS twenty patients admitted for elective infrarenal AAA repair were prospectively randomised into transperitoneal (n =10) or extraperitoneal ( n =10) groups. Neutrophil activation was assessed by measuring the plasma levels of neutrophil elastase/alpha(1)-anti-trypsin complexes before surgery, intraoperatively and at 6 h, 12 h, 24 h and then daily after surgery. Venous blood samples for estimation of liver function tests, full blood counts, urea and electrolytes and arterial samples for blood gas analysis were taken daily from preoperatively to day 5 after surgery. Multiple organ dysfunction (MOD) and systemic inflammatory response (SIR) scores were calculated daily. RESULTS the concentrations of neutrophil elastase/alpha(1)-anti-trypsin complexes were significantly higher in the transperitoneal group at 6 h after surgery compared to the extraperitoneal group (799(455-921) ng/ml (median(i.q.r.)) vs 307(171-395) ng/ml, p<0.005), and at 12 h (397(364-936) ng/ml vs 319(134-352) ng/ml, p <0.05). The MOD scores were significantly higher in the transperitoneal group in comparison to the extraperitoneal group at day 1 (2.5(2-3.3) vs 1(0-1), p<0.001) and day 2 (2.5(2-3.3) vs 1(0-1), p <0.001). The SIR scores were also significantly higher at day 1 (1(0-2) vs 0, p <0.01), day 2 (1.5(0-2.3) vs 0, p <0.01), and day 3 (1(0-1) vs 0, p <0.05). CONCLUSIONS neutrophil activation, systemic inflammatory response and organ dysfunction are increased in elective AAA repair when a transperitoneal approach is used. This may be related to intestinal manipulation and mesenteric traction which are reduced in the extraperitoneal approach.
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Affiliation(s)
- L L Lau
- Vascular Surgery Unit, Belfast City Hospital, Lisburn Road, Belfast, BT9 7AB, Northern Ireland
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Wijnen MH, Cuypers P, Buth J, Vader HL, Roumen RM. Differences in renal response between endovascular and open repair of abdominal aortic aneurysms. Eur J Vasc Endovasc Surg 2001; 21:171-4. [PMID: 11237792 DOI: 10.1053/ejvs.2000.1296] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES to determine the difference in renal and systemic response between open and endovascular aneurysm repair. MATERIALS AND METHODS we studied prospectively 22 patients undergoing open repair (OR) and 15 patients undergoing endovascular repair (ER). Blood and urine samples were taken preoperatively (T0) and before clamping of the aorta or femoral artery (T1) and 5 min (T2), 1 h (T3), 6 h (T4), 24 h (Day 1) and 48 h (Day 2) after declamping. Albumin/creatinin ratio (AC ratio) in urine, serum albumin, serum creatinin, serum C-reactive protein and serum lactate were determined. RESULTS the urinary AC ratio in ER was significantly lower than in OR (p<0.001). In both groups the rise in urine albumin/creatinin ratio after declamping (T2, T3) was significant (p<0.001). C-reactive protein was raised significantly at day 1 and 2 in both groups (p<0.001) with no difference between the groups. Serum lactate values were significantly higher in OR. There was a significant increase in serum lactate 6 h after declamping in the ER group. CONCLUSIONS after endovascular repair renal damage is less compared to open repair. There is a significant systemic reaction to the endovascular repair causing mild, short-lasting damage to the kidney. This systemic response is most probably induced by a combination of ischaemia reperfusion injury and the surgical trauma of the procedure. Other possible explanations are discussed.
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Affiliation(s)
- M H Wijnen
- Department of Surgery, Saint Joseph Hospital, Veldhoven, 5500 MB, The Netherlands
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Minimally Invasive Approaches to Vascular Disease. Surgery 2001. [DOI: 10.1007/978-3-642-57282-1_51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Boyle JR, Goodall S, Thompson JP, Bell PRF, Thompson MM. Endovascular AAA Repair Attenuates the Inflammatory and Renal Responses Associated With Conventional Surgery. J Endovasc Ther 2000. [DOI: 10.1583/1545-1550(2000)007<0359:earati>2.0.co;2] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Boyle JR, Goodall S, Thompson JP, Bell PR, Thompson MM. Endovascular AAA repair attenuates the inflammatory and renal responses associated with conventional surgery. J Endovasc Ther 2000; 7:359-71. [PMID: 11032254 DOI: 10.1177/152660280000700503] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE To quantify the inflammatory and renal parameters in comparative cohorts of patients undergoing surgical or endovascular repair of abdominal aortic aneurysms (AAAs). METHODS Forty-three patients (41 men; ages 58-81 years) underwent endovascular or conventional aneurysm surgery according to aortic morphology. All patients received a standard general anesthetic and had 12 serial blood and urine samples collected during the perioperative period. Samples underwent analysis for the cytokines interleukin (IL) 1beta tumor necrosis factor-alpha (TNF-alpha), and IL-6. White cell and platelet activation were estimated indirectly by measuring sL-selectin and 11-dehydrothromboxane B2, respectively. The urinary albumin:creatinine ratio (ACR) and N-acetyl-beta-D-glucosaminidase (NAG) activity were estimated to assess renal injury. Fibrinogen and fibrinogen degradation products were calculated to assess activation of the clotting cascade. RESULTS Twenty-three patients underwent endovascular AAA repair and 20 had conventional surgery. Concentrations of IL-6 (p < 0.002) and TNF-alpha (p < 0.0004) were significantly higher in the conventional group. The ACR (p < 0.002) and urinary NAGs (p < 0.0009) were also significantly higher in this group, suggesting greater renal injury. Platelet activity was significantly greater in the endovascular group (p < 0.01), perhaps indicating thrombus organization within the aneurysm sac. CONCLUSIONS These data suggest that the inflammatory response associated with conventional aneurysm repair is largely obviated by endovascular techniques. This may potentially translate to a lower incidence of multiple organ failure after endovascular surgery.
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Affiliation(s)
- J R Boyle
- Department of Surgery, University of Leicester, Leicester Royal Infirmary, England, UK.
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Björck M, Lindberg F, Broman G, Bergqvist D. pHi monitoring of the sigmoid colon after aortoiliac surgery. A five-year prospective study. Eur J Vasc Endovasc Surg 2000; 20:273-80. [PMID: 10986026 DOI: 10.1053/ejvs.2000.1148] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVES to determine whether sigmoid-pHi diagnose colon ischaemia after aortoiliac surgery? DESIGN single-centre, non-randomised, prospective study. PATIENTS AND METHODS of 83 patients operated on between 1994 and 1998, 41 with risk factors for the development of colon ischaemia were monitored peri- and/or postoperatively with sigmoid-pHi. Peri-operative mortality was 26% (8/31) after operation for a ruptured abdominal aortic aneurysm (AAA), nil after operation for non-ruptured AAA. Thirty-five postoperative colonoscopies were performed. All non-survivors were examined post-mortem. RESULTS of six patients developing colon ischaemia after emergency operations (five for ruptured AAA) all had pHi-values <7.1 for 16-80 h. In two patients with transmural gangrene, and who had pHi-values below 6.6, pHi-monitoring permitted early diagnosis, colectomy and recovery. Three patients with mucosal gangrene were treated conservatively and recovered. Nine patients without ischaemic lesions had pHi-values <7.1, during 1-5 h, without adverse outcome. Bilateral ligation of the internal iliac arteries increased the risk of colon ischaemia (p<0.0001). CONCLUSIONS pHi-monitoring was diagnostic for colon ischaemia. Mucosal and transmural gangrene were distinguished. The importance of the internal iliac circulation was demonstrated. The low mortality rate, and the fact that no patient died from bowel ischaemia, suggests that sigmoid pHi-monitoring may improve survival after ruptured AAA.
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Affiliation(s)
- M Björck
- Department of Surgery, Skellefteâ District Hospital, Sweden
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