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Paraskevas KI, Brown MM, Lal BK, Myrcha P, Lyden SP, Schneider PA, Poredos P, Mikhailidis DP, Secemsky EA, Musialek P, Mansilha A, Parikh SA, Silvestrini M, Lavie CJ, Dardik A, Blecha M, Liapis CD, Zeebregts CJ, Nederkoorn PJ, Poredos P, Gurevich V, Jawien A, Lanza G, Gray WA, Gupta A, Svetlikov AV, Fernandes E Fernandes J, Nicolaides AN, White CJ, Meschia JF, Cronenwett JL, Schermerhorn ML, AbuRahma AF. Recent advances and controversial issues in the optimal management of asymptomatic carotid stenosis. J Vasc Surg 2024; 79:695-703. [PMID: 37939746 DOI: 10.1016/j.jvs.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/29/2023] [Accepted: 11/03/2023] [Indexed: 11/10/2023]
Abstract
OBJECTIVE The optimal management of patients with asymptomatic carotid stenosis (AsxCS) is enduringly controversial. We updated our 2021 Expert Review and Position Statement, focusing on recent advances in the diagnosis and management of patients with AsxCS. METHODS A systematic review of the literature was performed up to August 1, 2023, using PubMed/PubMed Central, EMBASE and Scopus. The following keywords were used in various combinations: "asymptomatic carotid stenosis," "carotid endarterectomy" (CEA), "carotid artery stenting" (CAS), and "transcarotid artery revascularization" (TCAR). Areas covered included (i) improvements in best medical treatment (BMT) for patients with AsxCS and declining stroke risk, (ii) technological advances in surgical/endovascular skills/techniques and outcomes, (iii) risk factors, clinical/imaging characteristics and risk prediction models for the identification of high-risk AsxCS patient subgroups, and (iv) the association between cognitive dysfunction and AsxCS. RESULTS BMT is essential for all patients with AsxCS, regardless of whether they will eventually be offered CEA, CAS, or TCAR. Specific patient subgroups at high risk for stroke despite BMT should be considered for a carotid revascularization procedure. These patients include those with severe (≥80%) AsxCS, transcranial Doppler-detected microemboli, plaque echolucency on Duplex ultrasound examination, silent infarcts on brain computed tomography or magnetic resonance angiography scans, decreased cerebrovascular reserve, increased size of juxtaluminal hypoechoic area, AsxCS progression, carotid plaque ulceration, and intraplaque hemorrhage. Treatment of patients with AsxCS should be individualized, taking into consideration individual patient preferences and needs, clinical and imaging characteristics, and cultural, ethnic, and social factors. Solid evidence supporting or refuting an association between AsxCS and cognitive dysfunction is lacking. CONCLUSIONS The optimal management of patients with AsxCS should include BMT for all individuals and a prophylactic carotid revascularization procedure (CEA, CAS, or TCAR) for some asymptomatic patient subgroups, additionally taking into consideration individual patient needs and preference, clinical and imaging characteristics, social and cultural factors, and the available stroke risk prediction models. Future studies should investigate the association between AsxCS with cognitive function and the role of carotid revascularization procedures in the progression or reversal of cognitive dysfunction.
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Affiliation(s)
| | - Martin M Brown
- Stroke Research Centre, Department of Brain Repair and Rehabilitation, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Brajesh K Lal
- Department of Vascular Surgery, University of Maryland School of Medicine, Baltimore, MD; Department of Vascular Surgery, Baltimore VA Medical Center, Baltimore, MD; Department of Neurology, Mayo Clinic, Rochester, MN
| | - Piotr Myrcha
- Department of General and Vascular Surgery, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Sean P Lyden
- Department of Vascular Surgery, The Cleveland Clinic, Cleveland, OH
| | - Peter A Schneider
- Division of Vascular and Endovascular Surgery, University of California, San Francisco, CA
| | - Pavel Poredos
- Department of Vascular Diseases, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK
| | - Eric A Secemsky
- Smith Center for Outcomes Research in Cardiology, Division of Cardiology, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA
| | - Piotr Musialek
- Jagiellonian University Department of Cardiac and Vascular Diseases, John Paul II Hospital, Krakow, Poland
| | - Armando Mansilha
- Faculty of Medicine of the University of Porto, Porto, Portugal; Department of Angiology and Vascular Surgery, Hospital de S. Joao, Porto, Portugal
| | - Sahil A Parikh
- Division of Cardiology, Department of Medicine, New York-Presbyterian Hospital/Columbia University Irving Medical Center, New York, NY; Center for Interventional Cardiovascular Care and Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | - Mauro Silvestrini
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Carl J Lavie
- John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA
| | - Alan Dardik
- Department of Surgery, Yale School of Medicine, New Haven, CT
| | - Matthew Blecha
- Division of Vascular Surgery and Endovascular Therapy, Loyola University Chicago, Stritch School of Medicine, Loyola University Health System, Chicago, IL
| | - Christos D Liapis
- Department of Vascular & Endovascular Surgery, Athens Medical Center, Athens, Greece
| | - Clark J Zeebregts
- Department of Surgery, Division of Vascular Surgery, University Medical Center Groningen, University of Groningen, Amsterdam, the Netherlands
| | - Paul J Nederkoorn
- Department of Neurology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
| | - Peter Poredos
- Department of Anaesthesiology and Surgical Intensive Care, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Victor Gurevich
- Center of Atherosclerosis, Lab of Microangiopathic Mechanisms of Atherogenesis, Saint-Petersburg State University, North-Western State Medical University n.a. I.I. Mechnikov, Saint Petersburg, Russia
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Gaetano Lanza
- Department of Surgery, IRCCS Multimedica Hospital, Castellanza, Italy
| | | | - Ajay Gupta
- Department of Radiology, Weill Cornell Medicine, New York, NY
| | - Alexei V Svetlikov
- Division of Vascular & Endovascular Surgery, North-Western Scientific Clinical Center of Federal Medical Biological Agency, Department of Hospital Surgery, Saint-Petersburg State University, Saint Petersburg, Russia
| | | | - Andrew N Nicolaides
- Vascular Screening and Diagnostic Center, Nicosia, Cyprus; University of Nicosia Medical School, Nicosia, Cyprus; Department of Vascular Surgery, Imperial College, London, UK
| | - Christopher J White
- Department of Cardiology, Ochsner Clinical School, University of Queensland and Ochsner Health System, New Orleans, LA
| | | | - Jack L Cronenwett
- Section of Vascular Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH
| | - Marc L Schermerhorn
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Ali F AbuRahma
- Department of Surgery, Division of Vascular and Endovascular Surgery, Charleston Area Medical Center/West Virginia University Health Sciences Center, Charleston, WV
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Paraskevas KI, Mikhailidis DP, Ringleb PA, Brown MM, Dardik A, Poredos P, Gray WA, Nicolaides AN, Lal BK, Mansilha A, Antignani PL, de Borst GJ, Cambria RP, Loftus IM, Lavie CJ, Blinc A, Lyden SP, Matsumura JS, Jezovnik MK, Bacharach JM, Meschia JF, Clair DG, Zeebregts CJ, Lanza G, Capoccia L, Spinelli F, Liapis CD, Jawien A, Parikh SA, Svetlikov A, Menyhei G, Davies AH, Musialek P, Roubin G, Stilo F, Sultan S, Proczka RM, Faggioli G, Geroulakos G, Fernandes E Fernandes J, Ricco JB, Saba L, Secemsky EA, Pini R, Myrcha P, Rundek T, Martinelli O, Kakkos SK, Sachar R, Goudot G, Schlachetzki F, Lavenson GS, Ricci S, Topakian R, Millon A, Di Lazzaro V, Silvestrini M, Chaturvedi S, Eckstein HH, Gloviczki P, White CJ. An international, multispecialty, expert-based Delphi Consensus document on controversial issues in the management of patients with asymptomatic and symptomatic carotid stenosis. J Vasc Surg 2024; 79:420-435.e1. [PMID: 37944771 DOI: 10.1016/j.jvs.2023.09.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/25/2023] [Accepted: 09/25/2023] [Indexed: 11/12/2023]
Abstract
OBJECTIVE Despite the publication of various national/international guidelines, several questions concerning the management of patients with asymptomatic (AsxCS) and symptomatic (SxCS) carotid stenosis remain unanswered. The aim of this international, multi-specialty, expert-based Delphi Consensus document was to address these issues to help clinicians make decisions when guidelines are unclear. METHODS Fourteen controversial topics were identified. A three-round Delphi Consensus process was performed including 61 experts. The aim of Round 1 was to investigate the differing views and opinions regarding these unresolved topics. In Round 2, clarifications were asked from each participant. In Round 3, the questionnaire was resent to all participants for their final vote. Consensus was reached when ≥75% of experts agreed on a specific response. RESULTS Most experts agreed that: (1) the current periprocedural/in-hospital stroke/death thresholds for performing a carotid intervention should be lowered from 6% to 4% in patients with SxCS and from 3% to 2% in patients with AsxCS; (2) the time threshold for a patient being considered "recently symptomatic" should be reduced from the current definition of "6 months" to 3 months or less; (3) 80% to 99% AsxCS carries a higher risk of stroke compared with 60% to 79% AsxCS; (4) factors beyond the grade of stenosis and symptoms should be added to the indications for revascularization in AsxCS patients (eg, plaque features of vulnerability and silent infarctions on brain computed tomography scans); and (5) shunting should be used selectively, rather than always or never. Consensus could not be reached on the remaining topics due to conflicting, inadequate, or controversial evidence. CONCLUSIONS The present international, multi-specialty expert-based Delphi Consensus document attempted to provide responses to several unanswered/unresolved issues. However, consensus could not be achieved on some topics, highlighting areas requiring future research.
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Affiliation(s)
| | - Dimitri P Mikhailidis
- Division of Surgery and Interventional Science, Department of Surgical Biotechnology, University College London Medical School, University College London (UCL) and Department of Clinical Biochemistry, Royal Free Hospital Campus, UCL, London, United Kingdom
| | | | - Martin M Brown
- Department of Brain Repair and Rehabilitation, Stroke Research Centre, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - Alan Dardik
- Department of Surgery, Yale School of Medicine, New Haven, CT
| | - Pavel Poredos
- Department of Vascular Diseases, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | | | - Andrew N Nicolaides
- Vascular Screening and Diagnostic Center, Nicosia, Cyprus; University of Nicosia Medical School, Nicosia, Cyprus; Department of Vascular Surgery, Imperial College, London, United Kingdom
| | - Brajesh K Lal
- Department of Vascular Surgery, University of Maryland School of Medicine, Baltimore, MD; Department of Vascular Surgery, Baltimore VA Medical Center, Baltimore, MD; Department of Neurology, Mayo Clinic, Rochester, MN
| | - Armando Mansilha
- Faculty of Medicine of the University of Porto, Porto, Portugal; Department of Angiology and Vascular Surgery, Hospital de S. Joao, Porto, Portugal
| | | | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Richard P Cambria
- Division of Vascular and Endovascular Surgery, St. Elizabeth's Medical Center, Boston, MA
| | - Ian M Loftus
- St George's Vascular Institute, St George's University London, London, United Kingdom
| | - Carl J Lavie
- John Ochsner Heart and Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA
| | - Ales Blinc
- Division of Internal Medicine, Department of Vascular Diseases, University Medical Centre Ljubljana, Ljubljana, Slovenia; Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Sean P Lyden
- Department of Vascular Surgery, The Cleveland Clinic, Cleveland, OH
| | - Jon S Matsumura
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Mateja K Jezovnik
- Department of Advanced Cardiopulmonary Therapies and Transplantation, The University of Texas Health Science Centre at Houston, Houston, TX
| | - J Michael Bacharach
- Department of Vascular Medicine and Endovascular Intervention, North Central Heart Institute and the Avera Heart Hospital, Sioux Falls, SD
| | | | - Daniel G Clair
- Department of Vascular Surgery, Vanderbilt University Medical Center, Nashville, TN
| | - Clark J Zeebregts
- Department of Surgery (Division of Vascular Surgery), University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Gaetano Lanza
- Vascular Surgery Department, IRCSS Multimedica Hospital, Castellanza, Italy
| | - Laura Capoccia
- Vascular Surgery Division, Department of Surgery, SS. Filippo e Nicola Hospital, Avezzano, Italy
| | - Francesco Spinelli
- Vascular Surgery Division, Department of Medicine and Surgery, Campus Bio-Medico University of Rome, Rome, Italy
| | | | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Sahil A Parikh
- Division of Cardiology, Department of Medicine, New York-Presbyterian Hospital/ Columbia University Irving Medical Center, New York, NY; Center for Interventional Cardiovascular Care and Division of Cardiology, Department of Medicine, Columbia University Irving Medical Center, New York, NY
| | - Alexei Svetlikov
- Division of Vascular and Endovascular Surgery, North-Western Scientific Clinical Center of Federal Medical Biological Agency of Russia, St Petersburg, Russia
| | - Gabor Menyhei
- Department of Vascular Surgery, University of Pecs, Pecs, Hungary
| | - Alun H Davies
- Department of Surgery and Cancer, Section of Vascular Surgery, Imperial College London, Charing Cross Hospital, London, United Kingdom
| | - Piotr Musialek
- Jagiellonian University Department of Cardiac and Vascular Diseases, John Paul II Hospital, Krakow, Poland
| | - Gary Roubin
- Department of Cardiology, Cardiovascular Associates of the Southeast/ Brookwood, Baptist Medical Center, Birmingham, AL
| | - Francesco Stilo
- Vascular Surgery Division, Department of Medicine and Surgery, Campus Bio-Medico University of Rome, Rome, Italy
| | - Sherif Sultan
- Department of Vascular and Endovascular Surgery, Western Vascular Institute, University Hospital Galway, University of Galway, Galway, Ireland
| | - Robert M Proczka
- First Department of Vascular Surgery, Medicover Hospital, Warsaw, Poland, Lazarski University Faculty of Medicine, Warsaw, Poland
| | - Gianluca Faggioli
- Vascular Surgery, University of Bologna "Alma Mater Studiorum", Policlinico S. Orsola Malpighi, Bologna, Italy
| | - George Geroulakos
- Department of Vascular Surgery, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Jose Fernandes E Fernandes
- Faculty of Medicine, Lisbon Academic Medical Center, University of Lisbon, Portugal, Hospital da Luz Torres de Lisboa, Lisbon, Portugal
| | - Jean-Baptiste Ricco
- Department of Vascular Surgery, University Hospital of Toulouse, Toulouse, France
| | - Luca Saba
- Department of Radiology, Azienda Ospedaliera Universitaria Di Cagliari, Cagliari, Italy
| | - Eric A Secemsky
- Division of Cardiology, Department of Medicine, Smith Center for Outcomes Research, Beth Israel Deaconess Medical Center, Boston, MA; Harvard Medical School, Boston, MA
| | - Rodolfo Pini
- Vascular Surgery, University of Bologna "Alma Mater Studiorum", Policlinico S. Orsola Malpighi, Bologna, Italy
| | - Piotr Myrcha
- Department of General and Vascular Surgery, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Tatjana Rundek
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL
| | - Ombretta Martinelli
- Faculty of Medicine, Sapienza University of Rome, Rome, Italy; Vascular Surgery Unit, "Umberto I." Hospital, Rome, Italy
| | - Stavros K Kakkos
- Department of Vascular Surgery, University of Patras Medical School, Patras, Greece
| | - Ravish Sachar
- North Carolina Heart and Vascular Hospital, UNC-REX Healthcare, University of North Carolina, Raleigh, NC
| | - Guillaume Goudot
- Vascular Medicine Department, Georges Pompidou European Hospital, APHP, Université Paris Cité, Paris, France
| | - Felix Schlachetzki
- Department of Neurology, University Hospital of Regensburg, Regensburg, Germany
| | | | - Stefano Ricci
- Neurology Department-Stroke Unit, Gubbio-Gualdo Tadino and Citta di Castello Hospitals, USL Umbria 1, Perugia, Italy
| | - Raffi Topakian
- Department of Neurology, Academic Teaching Hospital Wels-Grieskirchen, Wels, Austria
| | - Antoine Millon
- Department of Vascular and Endovascular Surgery, Louis Pradel Hospital, Hospices Civil de Lyon, Bron, France
| | - Vincenzo Di Lazzaro
- Department of Medicine and Surgery, Unit of Neurology, Neurophysiology, Neurobiology and Psychiatry, Universita Campus Bio-Medico di Roma, Roma, Italy; Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy
| | - Mauro Silvestrini
- Department of Experimental and Clinical Medicine, Neurological Clinic, Marche Polytechnic University, Ancona, Italy
| | - Seemant Chaturvedi
- Department of Neurology, University of Maryland School of Medicine, Baltimore, MD
| | - Hans-Henning Eckstein
- Department for Vascular and Endovascular Surgery, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany
| | - Peter Gloviczki
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, MN
| | - Christopher J White
- Department of Medicine and Cardiology, Ochsner Clinical School, University of Queensland, Brisbane, Australia; Department of Cardiology, The John Ochsner Heart and Vascular Institute, New Orleans, LA
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Wanhainen A, Van Herzeele I, Bastos Goncalves F, Bellmunt Montoya S, Berard X, Boyle JR, D'Oria M, Prendes CF, Karkos CD, Kazimierczak A, Koelemay MJW, Kölbel T, Mani K, Melissano G, Powell JT, Trimarchi S, Tsilimparis N, Antoniou GA, Björck M, Coscas R, Dias NV, Kolh P, Lepidi S, Mees BME, Resch TA, Ricco JB, Tulamo R, Twine CP, Branzan D, Cheng SWK, Dalman RL, Dick F, Golledge J, Haulon S, van Herwaarden JA, Ilic NS, Jawien A, Mastracci TM, Oderich GS, Verzini F, Yeung KK. Editor's Choice -- European Society for Vascular Surgery (ESVS) 2024 Clinical Practice Guidelines on the Management of Abdominal Aorto-Iliac Artery Aneurysms. Eur J Vasc Endovasc Surg 2024; 67:192-331. [PMID: 38307694 DOI: 10.1016/j.ejvs.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 02/04/2024]
Abstract
OBJECTIVE The European Society for Vascular Surgery (ESVS) has developed clinical practice guidelines for the care of patients with aneurysms of the abdominal aorta and iliac arteries in succession to the 2011 and 2019 versions, with the aim of assisting physicians and patients in selecting the best management strategy. METHODS The guideline is based on scientific evidence completed with expert opinion on the matter. By summarising and evaluating the best available evidence, recommendations for the evaluation and treatment of patients have been formulated. The recommendations are graded according to a modified European Society of Cardiology grading system, where the strength (class) of each recommendation is graded from I to III and the letters A to C mark the level of evidence. RESULTS A total of 160 recommendations have been issued on the following topics: Service standards, including surgical volume and training; Epidemiology, diagnosis, and screening; Management of patients with small abdominal aortic aneurysm (AAA), including surveillance, cardiovascular risk reduction, and indication for repair; Elective AAA repair, including operative risk assessment, open and endovascular repair, and early complications; Ruptured and symptomatic AAA, including peri-operative management, such as permissive hypotension and use of aortic occlusion balloon, open and endovascular repair, and early complications, such as abdominal compartment syndrome and colonic ischaemia; Long term outcome and follow up after AAA repair, including graft infection, endoleaks and follow up routines; Management of complex AAA, including open and endovascular repair; Management of iliac artery aneurysm, including indication for repair and open and endovascular repair; and Miscellaneous aortic problems, including mycotic, inflammatory, and saccular aortic aneurysm. In addition, Shared decision making is being addressed, with supporting information for patients, and Unresolved issues are discussed. CONCLUSION The ESVS Clinical Practice Guidelines provide the most comprehensive, up to date, and unbiased advice to clinicians and patients on the management of abdominal aorto-iliac artery aneurysms.
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Kazimierczak W, Kazimierczak N, Lemanowicz A, Nowak E, Migdalski A, Jawien A, Jankowski T, Serafin Z. Improved Detection of Endoleaks in Virtual Monoenergetic Images in Dual-Energy CT Angiography Following EVAR. Acad Radiol 2023; 30:2813-2824. [PMID: 37062628 DOI: 10.1016/j.acra.2023.03.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 04/18/2023]
Abstract
OBJECTIVES The objective of this prospective study was to evaluate the virtual monoenergetic images (VMI) and virtual noncontrast (VNC) phase in the detection of endoleaks after endovascular abdominal aortic repair (EVAR). The potential dose reduction of abbreviated examination protocols was calculated. MATERIALS AND METHODS Ninety-seven patients after the EVAR procedure were enrolled in this study. An initial single-source noncontrast acquisition was followed by two dual-energy acquisitions (arterial and 60 s delayed). Fast-kVp switching scanner was used. VNC images were reconstructed from the delayed phase. First examination session (reference) included a full triphasic study protocol consisting of true noncontrast (TNC) images and two postcontrast phases, the latter ones presented as classical polyenergetic reconstructions. Reading sessions II and III were performed by two independent and blinded readers evaluating VMIs in abbreviated protocols-biphasic (VNC + arterial, delayed phase), monophasic (VNC + delayed phase). The diagnostic accuracy of sessions II and III was calculated. RESULTS The calculated sensitivity of the biphasic protocol with the use of VMIs in endoleak detection was 100%, with a statistically significant increase in the number of endoleaks detected in comparison with the reference study. The monophasic protocol showed 83.33% sensitivity. The use of abbreviated examination protocols led to a decrease in the mean effective dose (ED) of 23.28% (biphasic protocol) and 61.37% (monophasic protocol). CONCLUSION The use of VMIs increases the number of endoleaks diagnosed with a possible radiation reduction by up to ¼ (biphasic protocol). Further reduction to a monophasic protocol leads to over 60% dose reduction but with a decrease in diagnostic accuracy.
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Affiliation(s)
- Wojciech Kazimierczak
- Collegium Medicum, Nicolaus Copernicus University in Torun, Jagiellońska 13-15, Bydgoszcz, Poland 85-067.
| | | | - Adam Lemanowicz
- Collegium Medicum, Nicolaus Copernicus University in Torun, Jagiellońska 13-15, Bydgoszcz, Poland 85-067
| | - Ewa Nowak
- Collegium Medicum, Nicolaus Copernicus University in Torun, Jagiellońska 13-15, Bydgoszcz, Poland 85-067
| | - Arkadiusz Migdalski
- Collegium Medicum, Nicolaus Copernicus University in Torun, Jagiellońska 13-15, Bydgoszcz, Poland 85-067
| | - Arkadiusz Jawien
- Collegium Medicum, Nicolaus Copernicus University in Torun, Jagiellońska 13-15, Bydgoszcz, Poland 85-067
| | | | - Zbigniew Serafin
- Collegium Medicum, Nicolaus Copernicus University in Torun, Jagiellońska 13-15, Bydgoszcz, Poland 85-067
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Antignani PL, Gargiulo M, Gastaldi G, Jawien A, Mansilha A, Poredos P. Lower extremity arterial disease perspective: IUA consensus document on "lead management". Part 1. INT ANGIOL 2023; 42:382-395. [PMID: 37822195 DOI: 10.23736/s0392-9590.23.05110-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Atherosclerotic cardiovascular disease (ASCVD) is defined as coronary heart disease (CHD), cerebrovascular disease, or lower extremity arterial disease (LEAD) also named peripheral arterial disease (PAD). ASCVD is considered to be of atherosclerotic origin and is the leading cause of morbidity and mortality mainly for individuals with diabetes mellitus (DM). In this consensus document of the International Union of Angiology the authors discuss epidemiology, risk factors, primary and secondary prophylaxis, the correlation between diabetes mellitus and LEAD, conservative and surgical treatment.
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Affiliation(s)
| | - Mauro Gargiulo
- Section of Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna School of Medicine, S. Orsola and Maggiore Polyclinic Hospitals, Bologna, Italy
| | - Giacomo Gastaldi
- DiaCenTRE, Hirslanden Grangettes SA, Diabetology Unit, Geneva University Hospital, Geneva, Switzerland
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Torun, Poland
| | - Armando Mansilha
- Faculty of Medicine of the University of Porto, Department of Angiology and Vascular Surgery, S. João Hospital, Porto, Portugal
| | - Pavel Poredos
- University Clinical Center Ljubljana, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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Paraskevas KI, Eckstein HH, Mansilha A, Ricco JB, Geroulakos G, Di Lazzaro V, Rundek T, Lanza G, Fraedrich G, Svetlikov AS, Suri JS, Zeebregts CJ, Davies AH, Capoccia L, Proczka RM, Myrcha P, Antignani PL, Fernandes E Fernandes J, Spence JD, Dardik A, Jezovnik MK, Knoflach M, Lavenson GS, Kakkos SK, Jawien A, Silvestrini M, Blinc A, Spinelli F, Stilo F, Musiałek P, Sultan S, Goudot G, Liapis CD, Saba L, Faggioli G, Pini R, Poredos P, Mikhailidis DP, Gloviczki P, Nicolaides AN. Screening for asymptomatic carotid stenosis in patients with non-valvular atrial fibrillation. Int J Cardiol 2023; 372:120-121. [PMID: 36435330 DOI: 10.1016/j.ijcard.2022.11.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 11/21/2022] [Indexed: 11/24/2022]
Affiliation(s)
| | - Hans-Henning Eckstein
- Department for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Armando Mansilha
- Faculty of Medicine of the University of Porto, Porto, Portugal; Department of Angiology and Vascular Surgery, Hospital de S. Joao, Porto, Portugal
| | - Jean-Baptiste Ricco
- Department of Clinical Research, University of Poitiers, CHU de Poitiers, Poitiers, France
| | - George Geroulakos
- Department of Vascular Surgery, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Vincenzo Di Lazzaro
- Neurology, Neurophysiology and Neurobiology Unit, Department of Medicine, Universita Campus Bio-Medico di Roma, Rome, Italy
| | - Tatjana Rundek
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Gaetano Lanza
- Vascular Surgery Department, IRCSS Multimedica Hospital, Castellanza, Italy
| | - Gustav Fraedrich
- Department of Vascular Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Alexei S Svetlikov
- Division of Vascular and Endovascular Surgery, North-Western Scientific Clinical Center of Federal Medical Biological Agency of Russia, St. Petersburg, Russia
| | - Jasjit S Suri
- Stroke Diagnostic and Monitoring Division, Atheropoint™, Roseville, CA, USA
| | - Clark J Zeebregts
- Department of Surgery (Division of Vascular Surgery), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Alun H Davies
- Department of Surgery and Cancer, Section of Vascular Surgery, Imperial College London, Charing Cross Hospital, London, UK
| | - Laura Capoccia
- Department of Surgery "Paride Stefanini", Policlinico Umberto I, "Sapienza" University of Rome, Rome, Italy
| | - Robert M Proczka
- 1st Department of Vascular Surgery, Medicover Hospital, Warsaw, Poland
| | - Piotr Myrcha
- Department of General and Vascular Surgery, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
| | | | | | - J David Spence
- Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, Western University, London, ON, Canada
| | - Alan Dardik
- Division of Vascular Surgery and Endovascular Therapy, Yale University School of Medicine, New Haven, CT, USA
| | - Mateja K Jezovnik
- Department of Advanced Cardiopulmonary Therapies and Transplantation, The University of Texas Health Science Centre at Houston, Houston, TX, USA
| | - Michael Knoflach
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - George S Lavenson
- Department of Surgery, Uniformed Services University, Bethesda, MD, USA
| | - Stavros K Kakkos
- Department of Vascular Surgery, University Hospital of Patras, Patras, Greece
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Mauro Silvestrini
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Aleš Blinc
- Department of Vascular Diseases, Division of Internal Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Francesco Spinelli
- Vascular Surgery Division, Campus Bio-Medico University of Rome, Rome, Italy
| | - Francesco Stilo
- Vascular Surgery Division, Campus Bio-Medico University of Rome, Rome, Italy
| | - Piotr Musiałek
- Jagiellonian University Department of Cardiac and Vascular Diseases, John Paul II Hospital, Krakow, Poland
| | - Sherif Sultan
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland
| | - Guillaume Goudot
- Vascular Medicine Department, Georges Pompidou European hospital, APHP, Université de Paris Cité, Paris, France
| | | | - Luca Saba
- Department of Radiology, Azienda Ospedaliera Universitaria Di Cagliari, Cagliari, Italy
| | - Gianluca Faggioli
- Vascular Surgery, University of Bologna "Alma Mater Studiorum", Policlinico S. Orsola Malpighi, Bologna, Italy
| | - Rodolfo Pini
- Vascular Surgery, University of Bologna "Alma Mater Studiorum", Policlinico S. Orsola Malpighi, Bologna, Italy
| | - Pavel Poredos
- Department of Vascular Diseases, University Medical Centre Ljubljana, Slovenia
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK
| | - Peter Gloviczki
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, MN, USA
| | - Andrew N Nicolaides
- Department of Surgery, University of Nicosia Medical School, Nicosia, Cyprus
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7
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Paraskevas KI, Spence JD, Mikhailidis DP, Antignani PL, Gloviczki P, Eckstein HH, Spinelli F, Stilo F, Saba L, Poredos P, Dardik A, Liapis CD, Mansilha A, Faggioli G, Pini R, Jezovnik MK, Sultan S, Musiałek P, Goudot G, Lavenson GS, Jawien A, Blinc A, Myrcha P, Fernandes E Fernandes J, Geroulakos G, Kakkos SK, Knoflach M, Proczka RM, Capoccia L, Rundek T, Svetlikov AS, Silvestrini M, Ricco JB, Davies AH, Di Lazzaro V, Suri JS, Lanza G, Fraedrich G, Zeebregts CJ, Nicolaides AN. Why do guidelines recommend screening for abdominal aortic aneurysms, but not for asymptomatic carotid stenosis? A plea for a randomized controlled trial. Int J Cardiol 2023; 371:406-412. [PMID: 36162523 DOI: 10.1016/j.ijcard.2022.09.045] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/18/2022] [Accepted: 09/20/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Current guidelines do not recommend screening for asymptomatic carotid artery stenosis (AsxCS). The rationale behind this recommendation is that detection of AsxCS may lead to an unnecessary carotid intervention. In contrast, screening for abdominal aortic aneurysms is strongly recommended. METHODS A critical analysis of the literature was performed to evaluate the implications of detecting AsxCS. RESULTS Patients with AsxCS are at high risk for future stroke, myocardial infarction and vascular death. Population-wide screening for AsxCS should not be recommended. Additionally, screening of high-risk individuals for AsxCS with the purpose of identifying candidates for a carotid intervention is inappropriate. Instead, selective screening for AsxCS should be considered and should be viewed as an opportunity to identify individuals at high risk for atherosclerotic cardiovascular disease and future cardiovascular events for the timely initiation of intensive medical therapy and risk factor modification. CONCLUSIONS Although mass screening should not be recommended, there are several arguments suggesting that selective screening for AsxCS should be considered. The rationale supporting such selective screening is to optimize risk factor control and to initiate intensive medical therapy for prevention of future cardiovascular events, rather than to identify candidates for an intervention.
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Affiliation(s)
| | - J David Spence
- Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, Western University, London, ON, Canada
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK
| | | | - Peter Gloviczki
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, MN, USA
| | - Hans-Henning Eckstein
- Department for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Francesco Spinelli
- Vascular Surgery Division, Campus Bio-Medico University of Rome, Rome, Italy
| | - Francesco Stilo
- Vascular Surgery Division, Campus Bio-Medico University of Rome, Rome, Italy
| | - Luca Saba
- Department of Radiology, Azienda Ospedaliera Universitaria Di Cagliari, Cagliari, Italy
| | - Pavel Poredos
- Department of Vascular Disease, University Medical Centre Ljubljana, Slovenia
| | - Alan Dardik
- Division of Vascular and Endovascular Surgery, Yale University School of Medicine, New Haven, CT, USA
| | | | - Armando Mansilha
- Faculty of Medicine of the University of Porto, Porto, Portugal; Department of Angiology and Vascular Surgery, Hospital de S. Joao, Porto, Portugal
| | - Gianluca Faggioli
- Vascular Surgery, University of Bologna "Alma Mater Studiorum", Policlinico S. Orsola Malpighi, Bologna, Italy
| | - Rodolfo Pini
- Vascular Surgery, University of Bologna "Alma Mater Studiorum", Policlinico S. Orsola Malpighi, Bologna, Italy
| | - Mateja K Jezovnik
- Department of Advanced Cardiopulmonary Therapies and Transplantation, The University of Texas Health Science Centre at Houston, Houston, TX, USA
| | - Sherif Sultan
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland
| | - Piotr Musiałek
- Jagiellonian University Department of Cardiac and Vascular Diseases, John Paul II Hospital, Krakow, Poland
| | - Guillaume Goudot
- Vascular medicine department, Georges Pompidou European hospital, APHP, Université de Paris Cité, Paris, France
| | - George S Lavenson
- Department of Surgery, Uniformed Services University, Bethesda, MD, USA
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Aleš Blinc
- Department of Vascular Diseases, Division of Internal Medicine, University Medical Centre Ljubljana, Ljubljana, Slovenia
| | - Piotr Myrcha
- Department of General and Vascular Surgery, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
| | | | - George Geroulakos
- Department of Vascular Surgery, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Stavros K Kakkos
- Department of Vascular Surgery, University Hospital of Patras, Patras, Greece
| | - Michael Knoflach
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Robert M Proczka
- 1(st) Department of Vascular Surgery, Medicover Hospital, Warsaw, Poland
| | - Laura Capoccia
- Department of Surgery "Paride Stefanini", Policlinico Umberto I, "Sapienza" University of Rome, Rome, Italy
| | - Tatjana Rundek
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Alexei S Svetlikov
- Division of Vascular and Endovascular Surgery, North-Western Scientific Clinical Center of Federal Medical Biological Agency of Russia, St. Petersburg, Russia
| | - Mauro Silvestrini
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Jean-Baptiste Ricco
- Department of Clinical Research, University of Poitiers, CHU de Poitiers, Poitiers, France
| | - Alun H Davies
- Department of Surgery and Cancer, Section of Vascular Surgery, Imperial College London, Charing Cross Hospital, London, UK
| | - Vincenzo Di Lazzaro
- Neurology, Neurophysiology and Neurobiology Unit, Department of Medicine, Universita Campus Bio-Medico di Roma, Rome, Italy
| | - Jasjit S Suri
- Stroke Diagnostic and Monitoring Division, Atheropoint™, Roseville, CA, USA
| | - Gaetano Lanza
- Vascular Surgery Department, IRCSS Multimedica Hospital, Castellanza, Italy
| | - Gustav Fraedrich
- Department of Vascular Surgery, Medical University of Innsbruck, Innsbruck, Austria
| | - Clark J Zeebregts
- Department of Surgery (Division of Vascular Surgery), University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Andrew N Nicolaides
- Department of Surgery, University of Nicosia Medical School, Nicosia, Cyprus
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8
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Gwilym BL, Pallmann P, Waldron CA, Thomas-Jones E, Milosevic S, Brookes-Howell L, Harris D, Massey I, Burton J, Stewart P, Samuel K, Jones S, Cox D, Clothier A, Edwards A, Twine CP, Bosanquet DC, Benson R, Birmpili P, Blair R, Bosanquet DC, Dattani N, Dovell G, Forsythe R, Gwilym BL, Hitchman L, Machin M, Nandhra S, Onida S, Preece R, Saratzis A, Shalhoub J, Singh A, Forget P, Gannon M, Celnik A, Duguid M, Campbell A, Duncan K, Renwick B, Moore J, Maresch M, Kamal D, Kabis M, Hatem M, Juszczak M, Dattani N, Travers H, Shalan A, Elsabbagh M, Rocha-Neves J, Pereira-Neves A, Teixeira J, Lyons O, Lim E, Hamdulay K, Makar R, Zaki S, Francis CT, Azer A, Ghatwary-Tantawy T, Elsayed K, Mittapalli D, Melvin R, Barakat H, Taylor J, Veal S, Hamid HKS, Baili E, Kastrisios G, Maltezos C, Maltezos K, Anastasiadou C, Pachi A, Skotsimara A, Saratzis A, Vijaynagar B, Lau S, Velineni R, Bright E, Montague-Johnstone E, Stewart K, King W, Karkos C, Mitka M, Papadimitriou C, Smith G, Chan E, Shalhoub J, Machin M, Agbeko AE, Amoako J, Vijay A, Roditis K, Papaioannou V, Antoniou A, Tsiantoula P, Bessias N, Papas T, Dovell G, Goodchild F, Nandhra S, Rammell J, Dawkins C, Lapolla P, Sapienza P, Brachini G, Mingoli A, Hussey K, Meldrum A, Dearie L, Nair M, Duncan A, Webb B, Klimach S, Hardy T, Guest F, Hopkins L, Contractor U, Clothier A, McBride O, Hallatt M, Forsythe R, Pang D, Tan LE, Altaf N, Wong J, Thurston B, Ash O, Popplewell M, Grewal A, Jones S, Wardle B, Twine C, Ambler G, Condie N, Lam K, Heigberg-Gibbons F, Saha P, Hayes T, Patel S, Black S, Musajee M, Choudhry A, Hammond E, Costanza M, Shaw P, Feghali A, Chawla A, Surowiec S, Encalada RZ, Benson R, Cadwallader C, Clayton P, Van Herzeele I, Geenens M, Vermeir L, Moreels N, Geers S, Jawien A, Arentewicz T, Kontopodis N, Lioudaki S, Tavlas E, Nyktari V, Oberhuber A, Ibrahim A, Neu J, Nierhoff T, Moulakakis K, Kakkos S, Nikolakopoulos K, Papadoulas S, D'Oria M, Lepidi S, Lowry D, Ooi S, Patterson B, Williams S, Elrefaey GH, Gaba KA, Williams GF, Rodriguez DU, Khashram M, Gormley S, Hart O, Suthers E, French S. Short-term risk prediction after major lower limb amputation: PERCEIVE study. Br J Surg 2022; 109:1300-1311. [PMID: 36065602 DOI: 10.1093/bjs/znac309] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/06/2022] [Accepted: 07/31/2022] [Indexed: 01/22/2023]
Abstract
BACKGROUND The accuracy with which healthcare professionals (HCPs) and risk prediction tools predict outcomes after major lower limb amputation (MLLA) is uncertain. The aim of this study was to evaluate the accuracy of predicting short-term (30 days after MLLA) mortality, morbidity, and revisional surgery. METHODS The PERCEIVE (PrEdiction of Risk and Communication of outcomE following major lower limb amputation: a collaboratIVE) study was launched on 1 October 2020. It was an international multicentre study, including adults undergoing MLLA for complications of peripheral arterial disease and/or diabetes. Preoperative predictions of 30-day mortality, morbidity, and MLLA revision by surgeons and anaesthetists were recorded. Probabilities from relevant risk prediction tools were calculated. Evaluation of accuracy included measures of discrimination, calibration, and overall performance. RESULTS Some 537 patients were included. HCPs had acceptable discrimination in predicting mortality (931 predictions; C-statistic 0.758) and MLLA revision (565 predictions; C-statistic 0.756), but were poor at predicting morbidity (980 predictions; C-statistic 0.616). They overpredicted the risk of all outcomes. All except three risk prediction tools had worse discrimination than HCPs for predicting mortality (C-statistics 0.789, 0.774, and 0.773); two of these significantly overestimated the risk compared with HCPs. SORT version 2 (the only tool incorporating HCP predictions) demonstrated better calibration and overall performance (Brier score 0.082) than HCPs. Tools predicting morbidity and MLLA revision had poor discrimination (C-statistics 0.520 and 0.679). CONCLUSION Clinicians predicted mortality and MLLA revision well, but predicted morbidity poorly. They overestimated the risk of mortality, morbidity, and MLLA revision. Most short-term risk prediction tools had poorer discrimination or calibration than HCPs. The best method of predicting mortality was a statistical tool that incorporated HCP estimation.
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Affiliation(s)
- Brenig L Gwilym
- South East Wales Vascular Network, Aneurin Bevan University Health Board, Royal Gwent Hospital, Newport, UK
| | | | | | | | | | | | - Debbie Harris
- Centre for Trials Research, Cardiff University, Cardiff, UK
| | - Ian Massey
- Artificial Limb and Appliance Centre, Rookwood Hospital, Cardiff and Vale University Health Board, Cardiff, UK
| | - Jo Burton
- Artificial Limb and Appliance Centre, Rookwood Hospital, Cardiff and Vale University Health Board, Cardiff, UK
| | - Phillippa Stewart
- Artificial Limb and Appliance Centre, Rookwood Hospital, Cardiff and Vale University Health Board, Cardiff, UK
| | - Katie Samuel
- Department of Anaesthesia, North Bristol NHS Trust, Bristol, UK
| | - Sian Jones
- c/o INVOLVE Health and Care Research Wales, Cardiff, UK
| | - David Cox
- c/o INVOLVE Health and Care Research Wales, Cardiff, UK
| | - Annie Clothier
- South East Wales Vascular Network, Aneurin Bevan University Health Board, Royal Gwent Hospital, Newport, UK
| | - Adrian Edwards
- Division of Population Medicine, Cardiff University, Cardiff, UK
| | - Christopher P Twine
- Bristol, Bath and Weston Vascular Network, North Bristol NHS Trust, Southmead Hospital, Bristol, UK
| | - David C Bosanquet
- South East Wales Vascular Network, Aneurin Bevan University Health Board, Royal Gwent Hospital, Newport, UK
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9
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De Maeseneer MG, Kakkos SK, Aherne T, Baekgaard N, Black S, Blomgren L, Giannoukas A, Gohel M, de Graaf R, Hamel-Desnos C, Jawien A, Jaworucka-Kaczorowska A, Lattimer CR, Mosti G, Noppeney T, Josee van Rijn M, Stansby G, Kolh P, Goncalves FB, Chakfé N, Coscas R, de Borst GJ, Dias NV, Hinchliffe RJ, Koncar IB, Lindholt JS, Trimarchi S, Tulamo R, Twine CP, Vermassen F, Wanhainen A, Björck M, Labropoulos N, Lurie F, Mansilha A, Nyamekye IK, Ortega MR, Ulloa JH, Urbanek T, van Rij AM, Vuylsteke ME. Corrigendum to "European Society for Vascular Surgery (ESVS) 2022 Clinical Practice Guidelines on the Management of Chronic Venous Disease of the Lower Limbs. [Eur J Vasc Endovasc Surg (2022) 63, 184-267]". Eur J Vasc Endovasc Surg 2022; 64:284-285. [PMID: 35953422 DOI: 10.1016/j.ejvs.2022.05.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 05/30/2022] [Indexed: 11/18/2022]
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10
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Bihari I, Guex JJ, Jawien A, Szolnoky G. Clinical Perspectives and Management of Edema in Chronic Venous Disease—What about Ruscus? Medicines 2022; 9:medicines9080041. [PMID: 35893088 PMCID: PMC9331752 DOI: 10.3390/medicines9080041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 11/16/2022]
Abstract
Background: Edema is highly prevalent in patients with cardiovascular disease and is associated with various underlying pathologic conditions, making it challenging for physicians to diagnose and manage. Methods: We report on presentations from a virtual symposium at the Annual Meeting of the European Venous Forum (25 June 2021), which examined edema classification within clinical practice, provided guidance on making differential diagnoses and reviewed evidence for the use of the treatment combination of Ruscus extract, hesperidin methyl chalcone and vitamin C. Results: The understanding of the pathophysiologic mechanisms underlying fluid build-up in chronic venous disease (CVD) is limited. Despite amendments to the classic Starling Principle, discrepancies exist between the theories proposed and real-world evidence. Given the varied disease presentations seen in edema patients, thorough clinical examinations are recommended in order to make a differential diagnosis. The recent CEAP classification update states that edema should be considered a sign of CVD. The combination of Ruscus extract, hesperidin methyl chalcone and vitamin C improves venous tone and lymph contractility and reduces macromolecule permeability and inflammation. Conclusions: Data from randomized controlled trials support guideline recommendations for the use of Ruscus extract, hesperidin methyl chalcone and vitamin C to relieve major CVD-related symptoms and edema.
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Affiliation(s)
- Imre Bihari
- Vascular Surgery Department, St Rokus Clinical Block, Semmelweis University, 1085 Budapest, Hungary
- Correspondence:
| | | | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, University Hospital No. 1, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, 85-094 Tourn, Poland;
| | - Gyozo Szolnoky
- Department of Dermatology and Allergology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary;
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11
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De Maeseneer M, Kakkos S, Aherne T, Baekgaard N, Black S, Blomgren L, Giannoukas A, Gohel M, de Graaf R, Hamel-Desnos C, Jawien A, Jaworucka-Kaczorowska A, Lattimer C, Mosti G, Noppeney T, van Rijn M, Stansby G, ESVS Guidelines Committee, Kolh P, Bastos Goncalves F, Chakfé N, Coscas R, de Borst G, Dias N, Hinchliffe R, Koncar I, Lindholt J, Trimarchi S, Tulamo R, Twine C, Vermassen F, Wanhainen A, Document Reviewers, Björck M, Labropoulos N, Lurie F, Mansilha A, Nyamekye I, Ramirez Ortega M, Ulloa J, Urbanek T, van Rij A, Vuylsteke M. European Society for Vascular Surgery (ESVS) 2022 Clinical Practice Guidelines on the Management of Chronic Venous Disease of the Lower Limbs. J Vasc Surg 2022. [DOI: 10.1016/j.jvs.2022.01.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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De Maeseneer MG, Kakkos SK, Aherne T, Baekgaard N, Black S, Blomgren L, Giannoukas A, Gohel M, de Graaf R, Hamel-Desnos C, Jawien A, Jaworucka-Kaczorowska A, Lattimer CR, Mosti G, Noppeney T, van Rijn MJ, Stansby G, Esvs Guidelines Committee, Kolh P, Bastos Goncalves F, Chakfé N, Coscas R, de Borst GJ, Dias NV, Hinchliffe RJ, Koncar IB, Lindholt JS, Trimarchi S, Tulamo R, Twine CP, Vermassen F, Wanhainen A, Document Reviewers, Björck M, Labropoulos N, Lurie F, Mansilha A, Nyamekye IK, Ramirez Ortega M, Ulloa JH, Urbanek T, van Rij AM, Vuylsteke ME. Editor's Choice - European Society for Vascular Surgery (ESVS) 2022 Clinical Practice Guidelines on the Management of Chronic Venous Disease of the Lower Limbs. Eur J Vasc Endovasc Surg 2022; 63:184-267. [PMID: 35027279 DOI: 10.1016/j.ejvs.2021.12.024] [Citation(s) in RCA: 178] [Impact Index Per Article: 89.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 11/12/2021] [Indexed: 01/12/2023]
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13
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Paraskevas KI, Mikhailidis DP, Baradaran H, Bokkers RPH, Davies AH, Eckstein HH, Faggioli G, Fernandes E Fernandes J, Gargiulo M, Jawien A, Jezovnik MK, Kakkos SK, Knoflach M, Kooi ME, Lanza G, Liapis CD, Loftus IM, Mansilha A, Mechtouff L, Millon A, Myrcha P, Nicolaides AN, Pini R, Poredos P, Ricco JB, Rundek T, Saba L, Silvestrini M, Spinelli F, Stilo F, Sultan S, Suri JS, Svetlikov AV, Wijeratne T, Zeebregts CJ, Gloviczki P. The burden of carotid-related strokes. Ann Transl Med 2022; 10:159. [PMID: 35284552 PMCID: PMC8904971 DOI: 10.21037/atm-2021-12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 12/24/2021] [Indexed: 11/06/2022]
Affiliation(s)
| | - Dimitri P. Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London Medical School, University College London (UCL), London, UK
| | - Hediyeh Baradaran
- Department of Radiology and Imaging Sciences, Neuroradiology Division, University of Utah Health, Salt Lake City, UT, USA
| | - Reinoud P. H. Bokkers
- Department of Radiology, Medical Imaging Center, University Medical Center Groningen, Groningen, The Netherlands
| | - Alun H. Davies
- Section of Vascular Surgery, Imperial College & Imperial Healthcare NHS Trust, London, UK
| | - Hans-Henning Eckstein
- Department for Vascular and Endovascular Surgery, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Gianluca Faggioli
- Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, IRCSS Policlinico di Sant’Orsola, Bologna, Italy
| | | | - Mauro Gargiulo
- Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, IRCSS Policlinico di Sant’Orsola, Bologna, Italy
| | - Arkadiusz Jawien
- Department for Vascular Surgery and Angiology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Mateja K. Jezovnik
- Department of Advanced Cardiopulmonary Therapies and Transplantation, The University of Texas Health Science Centre at Houston, Houston, TX, USA
| | - Stavros K. Kakkos
- Department of Vascular Surgery, University of Patras Medical School, Patras, Greece
| | - Michael Knoflach
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - M. Eline Kooi
- CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, The Netherlands
- Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Gaetano Lanza
- Vascular Surgery Department, IRCSS MultiMedica Hospital, Castellanza, Italy
| | | | - Ian M. Loftus
- St. George’s Vascular Institute, St. George’s University London, London, UK
| | | | | | - Antoine Millon
- Vascular Surgery Department, Hospices Civils de Lyon, Lyon, France
| | - Piotr Myrcha
- First Chair and Department of General and Vascular Surgery, Faculty of Medicine, Medical University of Warsaw, Warsaw, Poland
| | | | - Rodolfo Pini
- Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, IRCSS Policlinico di Sant’Orsola, Bologna, Italy
| | - Pavel Poredos
- Department of Vascular Disease, University Medical Centre Ljubljana, Slovenia
| | - Jean-Baptiste Ricco
- Department of Clinical Research, University of Poitiers, CHU de Poitiers, Poitiers, France
| | - Tatjana Rundek
- Department of Neurology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Luca Saba
- Department of Radiology, Azienda Ospedaliera Universitaria Di Cagliari, Cagliari, Italy
| | - Mauro Silvestrini
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Francesco Spinelli
- Vascular Surgery Division, Campus Bio-Medico University of Rome, Rome, Italy
| | - Francesco Stilo
- Vascular Surgery Division, Campus Bio-Medico University of Rome, Rome, Italy
| | - Sherif Sultan
- Western Vascular Institute, Department of Vascular and Endovascular Surgery, University Hospital Galway, National University of Ireland, Galway, Ireland
| | - Jasjit S. Suri
- Stroke Diagnosis and Monitoring Division, AtheroPointTM, Roseville, USA
| | - Alexei V. Svetlikov
- Division of Vascular and Endovascular Surgery, North-Western Scientific Clinical Center of Federal Medical Biological Agency of Russia, St. Petersburgh, Russia
| | - Tissa Wijeratne
- Department of Neurology, Sunshine Hospital and Melbourne Medical School, St. Albans, Victoria, Australia
| | - Clark J. Zeebregts
- Division of Vascular Surgery, Department of Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Peter Gloviczki
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, MN, USA
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Mahlapuu M, Sidorowicz A, Mikosinski J, Krzyżanowski M, Orleanski J, Twardowska-Saucha K, Nykaza A, Dyaczynski M, Belz-Lagoda B, Dziwiszek G, Kujawiak M, Karczewski M, Sjöberg F, Grzela T, Wegrzynowski A, Thunarf F, Björk J, Ekblom J, Jawien A, Apelqvist J. Evaluation of LL-37 in healing of hard-to-heal venous leg ulcers: A multicentric prospective randomized placebo-controlled clinical trial. Wound Repair Regen 2021; 29:938-950. [PMID: 34687253 PMCID: PMC9298190 DOI: 10.1111/wrr.12977] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/27/2021] [Accepted: 10/05/2021] [Indexed: 12/01/2022]
Abstract
Many patients with venous leg ulcers do not reach complete healing with compression treatment alone, which is current standard care. This clinical trial HEAL LL‐37 was a phase IIb double‐blind, randomized, placebo‐controlled study, with the aim to evaluate the efficacy and safety of a new drug LL‐37 for topical administration, in combination with compression therapy, in 148 patients suffering from hard‐to‐heal venous leg ulcers. The study had three arms, consisting of two groups treated with LL‐37 at concentrations of 0.5 or 1.6 mg/mL, and a placebo cohort. Patients had a mean age of 67.6 years, a median ulcer duration of 20.3 months, and a mean wound size at the time of randomization of 11.6 cm2. Efficacy analysis performed on the full study population did not identify any significant improvement in healing in patients treated with LL‐37 as compared with the placebo. In contrast, a post hoc analysis revealed statistically significant improvement with LL‐37 treatment in several interrelated healing parameters in the subgroup of patients with large target wounds (a wound area of at least 10 cm2 at randomization), which is a known negative prognostic factor for healing. The study drug was well tolerated and safe in both dose strengths. In summary, this clinical trial did not detect any significant differences in healing of venous lower leg ulcers in the entire study cohort comparing patients treated with LL‐37 versus placebo. A subgroup analysis provided an interesting observation that LL‐37 could offer a treatment benefit in patients with large ulcers, exigently warranting a further study adequately powered to statistically assess the treatment outcome in this patient group.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Folke Sjöberg
- Burn Center, Linköping University Hospital, Linköping, Sweden
| | - Tomasz Grzela
- Clinic of Phlebology and the Medical University of Warsaw, Warsaw, Poland
| | | | | | | | | | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Torun, Poland
| | - Jan Apelqvist
- Department of Endocrinology, University Hospital of Malmö, Malmö, Sweden
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15
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Migdalski A, Jawien A. New insight into biology, molecular diagnostics and treatment options of unstable carotid atherosclerotic plaque: a narrative review. Ann Transl Med 2021; 9:1207. [PMID: 34430648 PMCID: PMC8350668 DOI: 10.21037/atm-20-7197] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 05/24/2021] [Indexed: 12/23/2022]
Abstract
Indications for intervention in hemodynamically relevant carotid artery stenosis (carotid endarterectomy or stenting) are primarily based on a degree of stenosis and symptomatology. To date the plaque vulnerability is rarely taken into account in clinical decision making although development of molecular imaging allows a better understanding of plaque biology and provides new techniques detecting potentially vulnerable plaque at risk. A significant number of reports describing the mechanisms of unstable plaque formation suggest that it is a multifactorial process. Inflammation, lipid accumulation, apoptosis, proteolysis, the thrombotic process and angiogenesis are among the main factors of carotid plaque destabilization. Although inflammation is a key process in development of plaque vulnerability, the hemostasis and neoangiogenesis should be regarded as equally important. Only a small group of asymptomatic patients may benefit from the invasive treatment and it remains a challenge to determine whether initially asymptomatic carotid plaque become unstable or vulnerable. Currently, the main task of research on atherosclerotic lesion imaging is focused on functional state of the plaque. The presence of one or more features such as stenosis progression, large plaque area, large juxta-luminal black area, plaque echolucency, intra-plaque hemorrhage, impaired cerebral vascular reserve and spontaneous embolization may indicate patients at higher risk for stroke suitable for revascularization. Treatment of carotid stenosis as one of the manifestations of generalized atherosclerosis requires a broad approach. Nowadays pharmacological treatment options for the atherosclerotic process are largely aimed at stimulating the plaque stabilization, but in symptomatic patients and selected asymptomatic patients, carotid plaque should be removed as a potential source of embolism.
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Affiliation(s)
- Arkadiusz Migdalski
- Department of Vascular Surgery and Angiology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland
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16
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Gianesini S, Obi A, Onida S, Baccellieri D, Bissacco D, Borsuk D, Campisi C, Campisi CC, Cavezzi A, Chi YW, Chunga J, Corda D, Crippa A, Davies A, De Maeseneer M, Diaz J, Ferreira J, Gasparis A, Intriago E, Jawien A, Jindal R, Kabnick L, Latorre A, Lee BB, Liew NC, Lurie F, Meissner M, Menegatti E, Molteni M, Morrison N, Mosti G, Narayanan S, Pannier F, Parsi K, Partsch H, Rabe E, Raffetto J, Raymond-Martimbeau P, Rockson S, Rosukhovski D, Santiago FR, Schul A, Schul M, Shaydakov E, Sibilla MG, Tessari L, Tomaselli F, Urbanek T, van Rijn MJ, Wakefield T, Wittens C, Zamboni P, Bottini O. Global guidelines trends and controversies in lower limb venous and lymphatic disease: Narrative literature revision and experts' opinions following the vWINter international meeting in Phlebology, Lymphology & Aesthetics, 23-25 January 2019. Phlebology 2019; 34:4-66. [PMID: 31495256 DOI: 10.1177/0268355519870690] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Guidelines are fundamental in addressing everyday clinical indications and in reporting the current evidence-based data of related scientific investigations. At the same time, a spatial and temporal issue can limit their value. Indeed, variability in the recommendations can be found both among the same nation different scientific societies and among different nations/continents. On the other side, Garcia already published in 2014 data showing how, after three years in average, one out of five recommendations gets outdated (Martinez Garcia LM, Sanabria AJ, Garcia Alvarez E, et al. The validity of recommendations from clinical guidelines: a survival analysis. CMAJ 2014;186(16):1211–1219). The present document reports a narrative literature revision on the major international recommendations in lower limb venous and lymphatic disease management, focusing on the different countries’ guidelines, trends and controversies from all the continents, while identifying new evidence-based data potentially influencing future guidelines. World renowned experts’ opinions are also provided. The document has been written following the recorded round tables scientific discussions held at the vWINter international meeting (22–26 January 2019; Cortina d’Ampezzo, Italy) and the pre- and post-meeting literature search performed by the leading experts.
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Affiliation(s)
| | - Andrea Obi
- 2 University of Michigan, Ann Arbor, MI, USA
| | | | | | | | - Denis Borsuk
- 6 Clinic of Phlebology and Laser Surgery, 'Vasculab' Ltd, Chelyabinsk, Russia
| | | | | | - Attilio Cavezzi
- 9 Eurocenter Venalinfa, San Benedetto del Tronto (AP), Italy
| | - Yung-Wei Chi
- 10 University of California, Davis Vascular Center, Sacramento, CA, USA
| | | | | | | | | | | | - Josè Diaz
- 15 Vanderbilt University Medical Center, Nashville, TN, USA
| | - Julio Ferreira
- 16 Instituto Brasilerio de Flebologia, Sao Paulo, Brazil
| | | | | | - Arkadiusz Jawien
- 19 Collegium Medicum, University of Nicolaus Copernicus, Bydgoszcz, Poland
| | | | | | | | | | - N C Liew
- 24 Putra University, Serdang, Malaysia
| | - Fedor Lurie
- 25 Jobst Vascular Institute, Toledo, OH, USA
| | | | | | | | | | | | | | | | - Kurosh Parsi
- 32 St. Vincent's Hospital, University of NSW, Sydney, Australia
| | | | | | | | | | - Stanley Rockson
- 37 Stanford University School of Medicine, Stanford, CA, USA
| | | | | | | | | | | | | | | | | | | | | | | | - Cees Wittens
- 44 Maastricht University Medical Center, Maastricht, Netherlands.,45 Uniklinik Aachen, Aachen, Germany
| | | | - Oscar Bottini
- 46 Universidad de Buenos Aires, Buenos Aires, Argentina
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Franks PJ, Barker J, Collier M, Gethin G, Haesler E, Jawien A, Laeuchli S, Mosti G, Probst S, Weller C. Management of Patients With Venous Leg Ulcers: Challenges and Current Best Practice. J Wound Care 2018; 25 Suppl 6:S1-S67. [PMID: 27292202 DOI: 10.12968/jowc.2016.25.sup6.s1] [Citation(s) in RCA: 157] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Introduction It is well documented that the prevalence of venous leg ulcers (VLUs) is increasing, coinciding with an ageing population. Accurate global prevalence of VLUs is difficult to estimate due to the range of methodologies used in studies and accuracy of reporting. (1) Venous ulceration is the most common type of leg ulceration and a significant clinical problem, affecting approximately 1% of the population and 3% of people over 80 years of age (2) in westernised countries. Moreover, the global prevalence of VLUs is predicted to escalate dramatically, as people are living longer, often with multiple comorbidities. Recent figures on the prevalence of VLUs are based on a small number of studies, conducted in Western countries, and the evidence is weak. However, it is estimated that 93% of VLUs will heal in 12 months, and 7% remain unhealed after five years. (3) Furthermore, the recurrence rate within 3 months after wound closure is as high as 70%. (4) (-6) Thus, cost-effective adjunct evidence-based treatment strategies and services are needed to help prevent these ulcers, facilitate healing when they occur and prevent recurrence. The impact of a VLU represents social, personal, financial and psychological costs on the individual and further economic drain on the health-care system. This brings the challenge of providing a standardised leg ulcer service which delivers evidence-based treatment for the patient and their ulcer. It is recognised there are variations in practice and barriers preventing the implementation of best practice. There are patients not receiving appropriate and timely treatment in the initial development of VLUs, effective management of their VLU and preventing recurrence once the VLU has healed. Health-care professionals (HCPs) and organisations must have confidence in the development process of clinical practice guidelines and have ownership of these guidelines to ensure those of the highest quality guide their practice. These systematic judgments can assist in policy development, and decision making, improve communication, reduce errors and improve patient outcomes. There is an abundance of studies and guidelines that are available and regularly updated, however, there is still variation in the quality of the services offered to patients with a VLU. There are also variations in the evidence and some recommendations contradict each other, which can cause confusion and be a barrier to implementation. (7) The difference in health-care organisational structures, management support and the responsibility of VLU management can vary in different countries, often causing confusion and a barrier to seeking treatment. These factors further complicate the guideline implementation process, which is generally known to be a challenge with many diseases. (8).
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Affiliation(s)
- Peter J Franks
- Centre for Research & Implementation of Clinical Practice, 128 Hill House, 210 Upper Richmond Road, London SW15 6NP, United Kingdom
| | | | - Mark Collier
- United Lincolnshire Hospitals NHS Trust (ULHT), c/o Pilgrim Hospital, Sibsey Road, Boston, Lincolnshire, PE21 9QS, United Kingdom
| | | | - Emily Haesler
- Wound Management and Healing Node, Curtin University, Perth, Australia & Academic Unit of General Practice, Australian National University, Canberra, Australia (Visiting Fellow)
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum, University of Nicolaus Copernicus, Bydgoszcz, Poland
| | - Severin Laeuchli
- University Hospital Zürich, Department of Dermatology, Gloriastrasse 31, CH-8091 Zürich, Switzerland
| | | | - Sebastian Probst
- School of Health, University of Applied Sciences Western Switzerland, HES-SO Genève, Avenue de Champel 47, CH-1206 Geneva, Switzerland
| | - Carolina Weller
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, 99 Commercial Road, Melbourne VIC 3004, Australia
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Wierzba W, Sliwczynski A, Pinkas J, Jawien A, Karnafel W. Comment to 'Regarding "Diabetes mellitus increases the risk of ruptured abdominal aortic aneurysms"'. Diab Vasc Dis Res 2018; 15:90-91. [PMID: 29119826 DOI: 10.1177/1479164117737432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This publication is a commentary on the Letter to the Editor by Juliette Raffort and Fabien Lareyre. This article clarifies a number of concerns about the method of calculating the index of prevalence of ruptured abdominal aortic aneurysms (AAA). The method of qualifying patients for the study and the method of calculating the index of prevalence of ruptured AAA in cohorts of diabetic and non-diabetic patients was presented. Most researchers calculate the Index of Prevalence per 100,000 of the general population. This gives the misleading result that diabetes reduces the risk of AAA rupture.We used a method which calculated prevalence per 100,000 with diabetes mellitus and per 100,000 without diabetes mellitus. This method confirms that diabetes mellitus increases the risk of ruptured AAA.
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Affiliation(s)
- Waldemar Wierzba
- 1 UHE Satelite Campus in Warsaw, University of Humanities and Economics in Lodz, Warsaw, Poland
| | | | | | - Arkadiusz Jawien
- 4 Department of Vascular Surgery and Angiology, Nicolaus Copernicus University Collegium Medicum in Bydgoszcz, Bydgoszcz, Poland
| | - Waldemar Karnafel
- 5 Department of Diabetology, Institute of Rural Medicine in Lublin, Lublin, Poland
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Abstract
With our increasing knowledge of the epidemiology, pathophysiology, investigation and clinical aspects of chronic venous disease (CVD) and new data on the various therapies available, an update of the recommendations on CVD and its management appears to be necessary. The symposium New Data on Chronic Venous Disease: A New Place for Cyclo 3® Fort, held during the annual meeting of the European Venous Forum on June 30th, 2017 in Porto, Portugal, reported the recent developments on the Ruscus, hesperidin methyl chalcone (HMC), and vitamin C combination (Cyclo 3® Fort), including the results of a series of in-vivo pharmacological experiments and a recent meta-analysis. Additionally, the symposium provided first-hand information on the process, rules, main findings, and expected contents of the prospective 2018 CVD guidelines. Analysis of the evidence showed that the effect of the Ruscus, HMC, and vitamin C combination on pain, heaviness, feeling of swelling, tingling, ankle circumference and global symptoms score reached Grade A. Therefore, the new guidelines should specify that the Ruscus, HMC, and vitamin C combination merits a Grade 1A recommendation.
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Affiliation(s)
- Stavros K Kakkos
- Department of Vascular Surgery, University Hospital of Patras, Patras, Greece -
| | - Eliete Bouskela
- Laboratory of Clinical and Experimental Research on Vascular Biology-BioVasc-State University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum University of Nicolai Copernicus, Bydgoszcz, Poland
| | - Andrew N Nicolaides
- Department of Surgery, University of Nicosia Medical School, Nicosia, Cyprus
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Abstract
The publication is a polemical response to reports that present data that diabetes reduces the risk of rupture of abdominal aortic aneurysm (AAA). The study analyzed all cases of developing AAA in patients with and without diabetes in 2012 in Poland. Data for the analysis were obtained with a unique and complete resources of the National Health Fund (NFZ) and population data from the Central Statistical Office (GUS). In Poland during 2012 2,227,453 patients with diabetes were treated, 975,364 males and 1,252,089 females. The incidence of AAA without rupture in patients without diabetes calculated per 100,000 of the non-diabetes general population was 25.0 +/- 9.0 in males and 5.6 +/- 2.3 in females. The incidence of ruptured AAA in the general population without diabetes was 3.6 +/- 0.9 in males, and 0.6 +/- 0.3 in females calculated per 100,000 of inhabitants without diabetes. The incidence of AAA without rupture in patients with diabetes was 184.897 +/- 70.653 in males and 35.364 +/- 24.925 in females calculated per 100,000 of patients diagnosed with diabetes. The incidence of ruptured AAA in patients with diabetes was 21.090 +/- 6.050 in males and 5.170 +/- 3.053 in females calculated per 100,000 of patients diagnosed with diabetes. The incidence rate for ruptured AAA in 2012 in Poland is statistically higher both in females and males in the population with diabetes. The incidence rate for AAA without rupture in 2012 in Poland is statistically higher in patients diagnosed with diabetes.
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Affiliation(s)
- Waldemar Wierzba
- 1 UHE Satelite Campus in Warsaw, University of Humanities and Economics in Lodz, Warsaw, Poland
| | | | | | - Arkadiusz Jawien
- 4 Department of Vascular Surgery and Angiology, Nicolaus Copernicus University Collegium Medicum in Bydgoszcz, Bydgoszcz, Poland
| | - Waldemar Karnafel
- 5 Department of Diabetology, Institute of Rural Medicine in Lublin, Lublin, Poland
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21
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Jawien A, Bouskela E, Allaert FA, Nicolaïdes AN. The place of Ruscus extract, hesperidin methyl chalcone, and vitamin C in the management of chronic venous disease. INT ANGIOL 2017; 36:31-41. [PMID: 28124877 DOI: 10.23736/s0392-9590.16.03788-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Despite continuous improvement in our knowledge and management of chronic venous disease (CVD), certain areas, such as the role of muscarinic receptors in the pathology and treatment of CVD, remain unexplored. The symposium "The place of Ruscus extract, hesperidin methyl chalcone, and vitamin C in the management of CVD", held at the Annual Meeting of the European Venous Forum on 7-9 July 2016 in London, presented an update on the pathophysiology of CVD and highlighted how the combination of Ruscus extract, hesperidin methyl chalcone, and vitamin C (Ruscus/HMC/VitC; Cyclo 3® Fort), may counteract the deleterious processes underlying CVD. The data presented during this symposium are reported here. The pathophysiology of CVD is driven by a complex process involving numerous factors, with the two key players being venous hypertension and the inflammatory response. The cascade of reactions induced by disturbed venous flow, inflammation, and tissue alterations results in the early appearance of symptoms and progressive development of clinical signs of disease. Previous studies have shown that Ruscus extract acts at three levels: on the veins, capillaries and lymphatics, and has anti-inflammatory properties. A series of recent experiments has shed new light on the mechanism of action of the combination of Ruscus/HMC/VitC. The efficacy of Ruscus/HMC/VitC in CVD is supported by clinical studies, while two meta-analyses have confirmed a significant decrease of several symptoms and ankle circumference in response to treatment with this agent, leading to the conclusion that Ruscus/HMC/VitC deserves a Grade A rating.
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Affiliation(s)
- Arkadiusz Jawien
- Department of Vascular Surgery and Angiology, Collegium Medicum University of Nicolai Copernicus, Bydgoszcz, Poland -
| | - Eliete Bouskela
- Laboratory of Clinical Experimental Research on Vascular Biology - BioVasc - State University of Rio de Janeiro, Brasil
| | | | - Andrew N Nicolaïdes
- Department of Surgery, University of Nicosia Medical School, Nicosia, Cyprus
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Abstract
This was a multinational, multicentre, double-blind Phase II study in Europe to evaluate the efficacy and safety of two dose regimens (200 mg bid and 200 mg tid) of sarpogrelate (MCI-9042, 5-HT2A receptor antagonist) compared to placebo in patients with stable, moderately severe intermittent claudication. Following a single-blind placebo run-in period of 6 weeks, 364 (309 male and 55 female) patients (59.2 ± 8.4 years, mean SD) were randomized to receive sarpogrelate 200 mg bid, 200 mg tid or placebo for 24 weeks with a follow-up of 8 weeks. The primary objective was the increase of absolute claudication distance (ACD) at the end of treatment (week 24) compared to placebo. Analysis of covariance (ANCOVA) was performed on the log-transformed percentage of baseline ACD: loge (ACD/baseline). A responder analysis (defined as a 50% improvement in ACD) was also performed. There was a marked training/placebo effect on the ACD which persisted up to 16 weeks. At 24 weeks the primary objective did not reach statistical significance (200 mg bid vs placebo, p = 0.225; 200 mg tid vs placebo, p = 0.580). In the responder analysis, 200 mg bid showed a statistically significant difference vs placebo ( p = 0.035). In the exploratory analysis with completers (patients completing all treadmill tests), there was a statistical difference in ACD/baseline change for 200 mg bid ( p = 0.035) and in the responder analysis for 200 mg tid ( p = 0.044) at 24 weeks compared to placebo. Both treatments showed a carry-over effect for ACD during the 8-week follow-up (weeks 28-32). The treatment was well tolerated and no clinically significant safety concerns were reported. In conclusion, the study results confirm that sarpogrelate is well tolerated and although the primary endpoint failed to reach statistical significance, the responder analysis showed an increased absolute walking distance, which makes a further trial warranted, including a larger population, and possibly also a longer treatment period.
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Affiliation(s)
- L Norgren
- Department of Surgery, University Hospital, Orebro, Sweden.
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23
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Jawien A, Grzela T, Ochwat A. Prevalence of chronic venous insufficiency in men and women in Poland: multicentre cross-sectional study in 40,095 patients. Phlebology 2016. [DOI: 10.1258/026835503322381315] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Objective: To study the prevalence, clinical expression and risk factors of chronic venous insufficiency (CVI) in 40,095 Polish adults. Method: This was a multicentre cross-sectional study with 803 participating primary care physicians. Results: The study population was mainly female (84%). The mean age was 44.8 years. Of the total population, 10% presented with oedema, 34.3% had varicose veins, with approximately the same proportion in males and females and 1.5% presented with past or active ulceration. A similar prevalence of CVI to that observed in the developed countries was reported in Poland. Obesity, the number of pregnancies and a positive family history were found to be risk factors for CVI. Female gender was not shown to be a risk factor for varicose veins. Conclusions: The relationship between the presence of symptoms and signs of CVI was high, whatever the gender. Thus, the previously described dominance of the disease in females is losing its significance.
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Zbigniew B, Jarmocik P, Mrozowski M, Jawien A. Retrospective analysis of patients with hereditary non- polyposis colorectal cancer (HNPCC). Hered Cancer Clin Pract 2015. [PMCID: PMC4565639 DOI: 10.1186/1897-4287-13-s1-a8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abstract
BACKGROUND Screening for abdominal aortic aneurysms (AAA) is currently recommended by several vascular societies. In countries where it has been introduced the prevalence of AAAs differed greatly and was mainly related to cigarette smoking. The screening program also had an enormous impact on the decrease of AAA ruptures and reduced mortality rate. These facts have led to the introduction of the first screening program for AAAs in Poland. OBJECTIVE The aim of the study was to determine the prevalence of AAAs among men aged 60 years and older undergoing ultrasound examination of the abdominal aorta. MATERIAL AND METHODS A single ultrasonography of the abdomen was performed to assess the aorta from the renal arteries to the bifurcation and the diameter of the aorta was measured at its widest point. The cut-off value for determining an aortic aneurysm was set at a diameter of ≥ 30 mm. All ultrasonography measurements were performed by physicians in outpatient departments throughout the Kuyavian-Pomeranian Province. Additionally, each subject had to fill out a questionnaire with demographic data, smoking habits, existing comorbidities and familial occurrence of AAAs. The study was conducted from October 2009 to November 2011. RESULTS The abdominal aorta ultrasound examinations were carried out in 1556 men aged 60 years and older. The prevalence of AAA in the study population was 6.0 % (94 out of 1556). The average age of the men was 69 years (SD 6 years, range 60-92 years). In the study population 55 % of the men smoked or had smoked and 3 % were aware of the presence of AAAs in family members. There were three risk factors significantly associated with the presence of AAAs: age (p < 0.05), smoking (72.3 % vs 53.9 %, p = 0.004) and family history of AAAs (9.6 % vs 2.7 %, p = 0.017). CONCLUSION The prevalence of AAAs among men in Poland is higher than in other European countries and the USA. The screening program for AAAs is an easy and reliable method for detecting early stages of the disease and risk factors which are the driving forces for the development of AAAs.
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Affiliation(s)
- A. Jawien
- Department of Vascular Surgery and Angiology, University Hospital No.1, Collegium Medicum, University of Nicolai Copernicus, M.Sklodowskiej-Curie Street 9, 85-094 Bydgoszcz, Poland
| | - B. Formankiewicz
- Department of Vascular Surgery and Angiology, University Hospital No.1, Collegium Medicum, University of Nicolai Copernicus, M.Sklodowskiej-Curie Street 9, 85-094 Bydgoszcz, Poland
| | - T. Derezinski
- Department of Vascular Surgery and Angiology, University Hospital No.1, Collegium Medicum, University of Nicolai Copernicus, M.Sklodowskiej-Curie Street 9, 85-094 Bydgoszcz, Poland
| | - A. Migdalski
- Department of Vascular Surgery and Angiology, University Hospital No.1, Collegium Medicum, University of Nicolai Copernicus, M.Sklodowskiej-Curie Street 9, 85-094 Bydgoszcz, Poland
| | - P. Brazis
- Department of Vascular Surgery and Angiology, University Hospital No.1, Collegium Medicum, University of Nicolai Copernicus, M.Sklodowskiej-Curie Street 9, 85-094 Bydgoszcz, Poland
| | - L. Woda
- Department of Vascular Surgery and Angiology, University Hospital No.1, Collegium Medicum, University of Nicolai Copernicus, M.Sklodowskiej-Curie Street 9, 85-094 Bydgoszcz, Poland
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Benigni JP, Bihari I, Rabe E, Uhl JF, Partsch H, Cornu-Thenard A, Jawien A. Venous symptoms in C0 and C1 patients: UIP consensus document. INT ANGIOL 2013; 32:261-265. [PMID: 23711678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
This UIP document provides an update on venous symptoms in CO and C1 patients. The correlation between venous symptoms and the presence of telangiectases and/or reticular veins is one of the most controversial topics in chronic venous disorders. As symptoms may be non-specific of chronic venous disease, it is important to differentiate venous symptoms from symptoms of other causes. Some data from the Bonn Vein Study suggest that the risk to develop venous symptoms is increased in women, advanced age and obesity. Treatment is based on physical advice, elastic compression, venoactive drugs, sclerotherapy, correction of foot static disorders and reduction of body weight. Future research should be promoted on venous symptoms in epidemiological and follow-up studies, about the relationship between female hormone levels and symptomatic telangiectasias, and between venous pain and foot static disorders in C0s C1s patients.
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Rozalski R, Migdalski A, Gackowski D, Guz J, Siomek A, Foksinski M, Szpila A, Zarakowska E, Majer M, Jawien A, Olinski R. Does morphology of carotid plaque depend on patient's oxidative stress? Clin Biochem 2013; 46:1030-1035. [PMID: 23726810 DOI: 10.1016/j.clinbiochem.2013.05.057] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 04/24/2013] [Accepted: 05/17/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVES This study explored the relationship between oxidative stress biomarkers and stability of carotid plaque. We decided to analyze the broad range of parameters describing oxidative stress in patients with carotid stenosis. DESIGN AND METHODS 124 consecutive patients undergoing carotid endarterectomy were enrolled in the study group. The control group consisted of 49 patients without symptoms of atherosclerosis. The stability of carotid plaques was assessed using GSM (gray-scale median) scoring system and the study group was divided into three subgroups according to echogenicity of the plaque. The following parameters of oxidative stress/DNA damage were analyzed: i) urinary excretion of the products of oxidative DNA damage repair; ii) the background level of 8-oxo-7,8-dihydro-2'-deoxyguanosine in leukocytes' DNA and in atherosclerotic plaques; and iii) the concentrations of antioxidant vitamins, uric acid and C-reactive protein in plasma. RESULTS Oxidative stress (described by redox status) was higher in the patient group than in the control group. There is a correlation between oxidative stress of the patients and stability of the plaque, echolucent plaques (GSM<25) being associated with the highest antioxidant level and lowest excretion of DNA repair markers. CONCLUSIONS The plaque formation/morphology may depend on local environment and is independent of oxidative stress/inflammation observed on the level of the whole body.
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Affiliation(s)
- Rafal Rozalski
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland.
| | - Arkadiusz Migdalski
- Department of Surgery, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Daniel Gackowski
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Jolanta Guz
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Agnieszka Siomek
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Marek Foksinski
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Anna Szpila
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Ewelina Zarakowska
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Marcin Majer
- Department of Angiology, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Arkadiusz Jawien
- Department of Surgery, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
| | - Ryszard Olinski
- Department of Clinical Biochemistry, Nicolaus Copernicus University in Torun, The Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland
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Kalodiki E, Stvrtinova V, Allegra C, Andreozzi G, Antignani PL, Avram R, Brkljacic B, Cadariou F, Dzsinich C, Fareed J, Gaspar L, Geroulakos G, Jawien A, Kozak M, Lattimer CR, Minar E, Partsch H, Passariello F, Patel M, Pécsvárady Z, Poredos P, Roztocil K, Scuderi A, Sparovec M, Szostek M, Skorski M. Superficial vein thrombosis: a consensus statement. INT ANGIOL 2012; 31:203-216. [PMID: 22634973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Affiliation(s)
- E Kalodiki
- Ealing Hospital and Imperial College, London, SW7 2AZ, UK.
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Jaruga P, Rozalski R, Jawien A, Migdalski A, Olinski R, Dizdaroglu M. DNA Damage Products (5′R)- and (5′S)-8,5′-Cyclo-2′-deoxyadenosines as Potential Biomarkers in Human Urine for Atherosclerosis. Biochemistry 2012; 51:1822-4. [DOI: 10.1021/bi201912c] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pawel Jaruga
- Biochemical Science Division, National Institute of Standards and Technology, Gaithersburg,
Maryland 20899, United States
| | | | | | | | | | - Miral Dizdaroglu
- Biochemical Science Division, National Institute of Standards and Technology, Gaithersburg,
Maryland 20899, United States
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Obtułowicz T, Winczura A, Speina E, Swoboda M, Janik J, Janowska B, Cieśla JM, Kowalczyk P, Jawien A, Gackowski D, Banaszkiewicz Z, Krasnodebski I, Chaber A, Olinski R, Nair J, Bartsch H, Douki T, Cadet J, Tudek B. Aberrant repair of etheno-DNA adducts in leukocytes and colon tissue of colon cancer patients. Free Radic Biol Med 2010; 49:1064-71. [PMID: 20600828 DOI: 10.1016/j.freeradbiomed.2010.06.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2009] [Revised: 06/07/2010] [Accepted: 06/21/2010] [Indexed: 11/18/2022]
Abstract
To assess the role of lipid peroxidation-induced DNA damage and repair in colon carcinogenesis, the excision rates and levels of 1,N(6)-etheno-2'-deoxyadenosine (epsilondA), 3,N(4)-etheno-2'-deoxycytidine (epsilondC), and 1,N(2)-etheno-2'-deoxyguanosine (1,N(2)-epsilondG) were analyzed in polymorphic blood leukocytes (PBL) and resected colon tissues of 54 colorectal carcinoma (CRC) patients and PBL of 56 healthy individuals. In PBL the excision rates of 1,N(6)-ethenoadenine (epsilonAde) and 3,N(4)-ethenocytosine (epsilonCyt), measured by the nicking of oligodeoxynucleotide duplexes with single lesions, and unexpectedly also the levels of epsilondA and 1,N(2)-epsilondG, measured by LC/MS/MS, were lower in CRC patients than in controls. In contrast the mRNA levels of repair enzymes, alkylpurine- and thymine-DNA glycosylases and abasic site endonuclease (APE1), were higher in PBL of CRC patients than in those of controls, as measured by QPCR. In the target colon tissues epsilonAde and epsilonCyt excision rates were higher, whereas the epsilondA and epsilondC levels in DNA, measured by (32)P-postlabeling, were lower in tumor than in adjacent colon tissue, although a higher mRNA level was observed only for APE1. This suggests that during the onset of carcinogenesis, etheno adduct repair in the colon seems to be under a complex transcriptional and posttranscriptional control, whereby deregulation may act as a driving force for malignancy.
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Affiliation(s)
- Tomasz Obtułowicz
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
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31
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Belch JJF, Dormandy J, Biasi GM, Biasi BM, Cairols M, Diehm C, Eikelboom B, Golledge J, Jawien A, Lepäntalo M, Norgren L, Hiatt WR, Becquemin JP, Bergqvist D, Clement D, Baumgartner I, Minar E, Stonebridge P, Vermassen F, Matyas L, Leizorovicz A. Results of the randomized, placebo-controlled clopidogrel and acetylsalicylic acid in bypass surgery for peripheral arterial disease (CASPAR) trial. J Vasc Surg 2010; 52:825-33, 833.e1-2. [PMID: 20678878 DOI: 10.1016/j.jvs.2010.04.027] [Citation(s) in RCA: 221] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2009] [Revised: 04/07/2010] [Accepted: 04/12/2010] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Dual antiplatelet therapy with clopidogrel plus acetylsalicylic acid (ASA) is superior to ASA alone in patients with acute coronary syndromes and in those undergoing percutaneous coronary intervention. We sought to determine whether clopidogrel plus ASA conferred benefit on limb outcomes over ASA alone in patients undergoing below-knee bypass grafting. METHODS Patients undergoing unilateral, below-knee bypass graft for atherosclerotic peripheral arterial disease (PAD) were enrolled 2 to 4 days after surgery and were randomly assigned to clopidogrel 75 mg/day plus ASA 75 to 100 mg/day or placebo plus ASA 75 to 100 mg/day for 6 to 24 months. The primary efficacy endpoint was a composite of index-graft occlusion or revascularization, above-ankle amputation of the affected limb, or death. The primary safety endpoint was severe bleeding (Global Utilization of Streptokinase and Tissue plasminogen activator for Occluded coronary arteries [GUSTO] classification). RESULTS In the overall population, the primary endpoint occurred in 149 of 425 patients in the clopidogrel group vs 151 of 426 patients in the placebo (plus ASA) group (hazard ratio [HR], 0.98; 95% confidence interval [CI], 0.78-1.23). In a prespecified subgroup analysis, the primary endpoint was significantly reduced by clopidogrel in prosthetic graft patients (HR, 0.65; 95% CI, 0.45-0.95; P = .025) but not in venous graft patients (HR, 1.25; 95% CI, 0.94-1.67, not significant [NS]). A significant statistical interaction between treatment effect and graft type was observed (P(interaction) = .008). Although total bleeds were more frequent with clopidogrel, there was no significant difference between the rates of severe bleeding in the clopidogrel and placebo (plus ASA) groups (2.1% vs 1.2%). CONCLUSION The combination of clopidogrel plus ASA did not improve limb or systemic outcomes in the overall population of PAD patients requiring below-knee bypass grafting. Subgroup analysis suggests that clopidogrel plus ASA confers benefit in patients receiving prosthetic grafts without significantly increasing major bleeding risk.
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Affiliation(s)
- Jill J F Belch
- Institute of Cardiovascular Research, Ninewells Hospital, Dundee, UK.
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Obtulowicz T, Swoboda M, Speina E, Gackowski D, Rozalski R, Siomek A, Janik J, Janowska B, Ciesla JM, Jawien A, Banaszkiewicz Z, Guz J, Dziaman T, Szpila A, Olinski R, Tudek B. Oxidative stress and 8-oxoguanine repair are enhanced in colon adenoma and carcinoma patients. Mutagenesis 2010; 25:463-71. [PMID: 20534734 DOI: 10.1093/mutage/geq028] [Citation(s) in RCA: 102] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress is involved in the pathogenesis of colon cancer. We wanted to elucidate at which stage of the disease this phenomenon occurs. In the examined groups of patients with colorectal cancer (CRC, n = 89), benign adenoma (AD, n = 77) and healthy volunteers (controls, n = 99), we measured: vitamins A, C and E in blood plasma, 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG) and 8-oxo-7,8-dihydroguanine (8-oxoGua) in leukocytes and urine, leukocyte 8-oxoGua excision activity, mRNA levels of APE1, OGG1, 8-oxo-7,8-dihydrodeoxyguanosine 5'-triphosphate pyrophosphohydrolase (MTH1) and OGG1 polymorphism. The vitamin levels decreased gradually in AD and CRC patients. 8-OxodG increased in leukocytes and urine of CRC and AD patients. 8-OxoGua was higher only in the urine of CRC patients. 8-OxoGua excision was higher in CRC patients than in controls, in spite of higher frequency of the OGG1 Cys326Cys genotype, encoding a glycosylase with decreased activity. mRNA levels of OGG1 and APE1 increased in CRC and AD patients, which could explain increased 8-oxoGua excision rate in CRC patients. MTH1 mRNA was also higher in CRC patients. The results suggest that oxidative stress occurs in CRC and AD individuals. This is accompanied by increased transcription of DNA repair genes, and increased 8-oxoGua excision rate in CRC patients, which is, however, insufficient to counteract the increased DNA damage.
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Affiliation(s)
- Tomasz Obtulowicz
- Department of Molecular Biology, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawinskiego 5a, 02-106 Warsaw, Poland
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Agus GB, Jawien A, Carelli F. Nautilus survey on chronic venous diseases. Panminerva Med 2010; 52:5-9. [PMID: 20657527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
AIM The large diffusion of venous disease (CVD) has been confirmed by several epidemiological studies in Europe and the USA. Since general practitioners (GPs) are the first segment of the population to evaluate for CVD, the Italian Project Nautilus (concerning vascular prevention) organized a monitoring campaign in 2009 with the aim of studying CVD using the CEAP classification criteria. METHODS More than 1000 GPs were included in the survey. The study produced anamnestic and clinical data on more than 10,000 patients with CVD divided into three age segments: </=30 years; 31-60 years; >60 years. Of these results, 83% were considered valid for a statistical evaluation. RESULTS The prevalent population in CVD includes adult and aging subjects; four out of five are women. The number of pregnancies is the first risk or predisposing factor in the adult population, and prolonged standing is the first cause in younger subjects. Excess weight and previous thromboses, either superficial (SVT) or deep (DVT), become more significant factors with advancing age and included, respectively, 58% and 44% of the study's subjects over the age of 60. The most severe signs of CVD (edema, venous ulcers) show a significant progression in the aging segment of the population. Edema is present in 50% of the aging population, and inflammatory endothelial activation (swollen, heavy or painful legs) also increases with aging. Symptoms related to hemorrheological activation (including itching, nocturnal cramps) progress in parallel with increasing signs. A history of previous SVT or DVT episodes is the determining factor in more severe signs (CEAP: C4-C6) in more than 50% of the studied patients in comparison with only 20% of patients without a history for SVT or DVT. Diabetes is associated with more severe signs in 50% of patients. CONCLUSION The Nautilus Survey of CVD indicates determining factors associated with the beginning and progression of CVD in three different age segments. These factors may be considered as clinically significant parameters for defining the clinical evolution of CVD. The observations are useful to evaluate the best preventive and treatment options on the basis of the most recent pathophysiological considerations.
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Affiliation(s)
- G B Agus
- Section of Vascular Surgery and Angiology, Department of Specialist Surgical Sciences, University of Milan, Milan, Italy.
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Witkowski W, Jawien A, Witkiewicz W, Zon B. Initial multi-centre observations upon the effect of a new Topical Negative Pressure device upon patient and clinician experience and the treatment of wounds. Int Wound J 2009; 6:167-74. [PMID: 19432667 DOI: 10.1111/j.1742-481x.2009.00586.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Topical Negative Pressure (TNP) has become an accepted intervention in wound healing with a growing body of scientific literature supporting the effectiveness of TNP across a wide variety of wound aetiologies. The range of TNP devices has also increased with perhaps the primary distinction being between those TNP devices that employ gauze or foam as a wound dressing. This study reports preliminary multi-centre observations upon the use of a new gauze based TNP device in the treatment of wounds. Across 3 study centres twenty-nine subjects were recruited to the study with 8 presenting with leg ulcers, 8 with pressure ulcers, 12 with acute or surgical wounds and 1 with a non-healing burn injury. Wounds were then treated with the new TNP therapy for a maximum of 17 days (range 2-17 days). There appeared to be a trend for subjects with leg ulcers to be treated for longer (mean duration 12.9 days) compared to subjects with pressure ulcers (mean duration 6.5 days) or those with surgical wounds (mean duration 8.2 days). Given the relatively short duration of the TNP therapy no wound completely healed although 22/29 (75.9%) showed reductions in surface area per day of treatment with all but 1 pressure ulcer and 1 leg ulcer responding positively to treatment. While not an RCT, this and similar cohort studies may be central to the future selection of TNP devices given the increasing importance of the role of the user interface to reduce the likelihood of incorrect use and sub-optimal outcomes.
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Affiliation(s)
- Wojciech Witkowski
- Military Institute of Health Services, Plastic Reconstructive Surgery & Burn Management Department, Warsaw, Poland.
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Szewczyk MT, Jawien A, Kedziora-Kornatowska K, Moscicka P, Cwajda J, Cierzniakowska K, Brazis P. The nutritional status of older adults with and without venous ulcers: a comparative, descriptive study. Ostomy Wound Manage 2008; 54:34-42. [PMID: 18812623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The nutritional requirements of healthy people differ from those who have chronic wounds and while it is generally suggested that the nutritional status of persons with chronic wounds must be addressed, actual data about the nutritional status of older adults with venous ulcers is limited. The nutritional status of hospitalized older adults (n = 40, average age 77 +/- 7.4) with vascular disease was compared to randomly selected outpatients with venous insufficiency ulcers (n = 37, average age 70.4 +/- 8.13) using the Mini Nutritional Assessment instrument. Among all patients assessed, 37 (48%) were at risk for malnutrition or were malnourished. No differences between nutritional status and age or gender were found. The proportion of patients at risk for malnutrition or currently malnourished was significantly higher in the venous ulcer (24 out of 37) than in the control group (13 of 40, chi2 = 15.51, P <0.05). Statistically significant differences were found between the control and venous ulcer group for all anthropometrical assessment variables (BMI, arm circumference, calf circumference, and weight loss in past 3 months), use of more than three prescription drugs, dietary history/assessment (appetite, fluid consumption, independent feeding), and patient self-rated health. The results of this study confirm that a complete patient assessment must include evaluating patient nutritional status and that nutritional disorders are a serious problem among the elderly, especially those with venous ulcers. Additional studies to help optimize the nutritional assessment and management of older adults with venous ulcers are needed.
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Affiliation(s)
- Maria T Szewczyk
- Katedra i Klinika Chirurgii Ogolnej Collegium Medicum im. L. Rydygiera w Bydgoszczy, Uniwersytet Mikolaja Kopernika w Toruniu, ul. Ujejskiego 75, 85-168 Bydgoszcz, Polska/Poland.
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Nicolaides AN, Allegra C, Bergan J, Bradbury A, Cairols M, Carpentier P, Comerota A, Delis C, Eklof B, Fassiadis N, Georgiou N, Geroulakos G, Hoffmann U, Jantet G, Jawien A, Kakkos S, Kalodiki E, Labropoulos N, Neglen P, Pappas P, Partsch H, Perrin M, Rabe E, Ramelet AA, Vayssaira M, Ioannidou E, Taft A. Management of chronic venous disorders of the lower limbs: guidelines according to scientific evidence. INT ANGIOL 2008; 27:1-59. [PMID: 18277340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Migdalski A, Kotschy M, Jawien A. Tissue Factor, Tissue Factor Pathway Inhibitor and Vascular Endothelial Growth Factor-A in Carotid Atherosclerotic Plaques. Eur J Vasc Endovasc Surg 2005; 30:41-7. [PMID: 15933981 DOI: 10.1016/j.ejvs.2005.02.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To determine the concentration of tissue factor (TF), tissue factor pathway inhibitor (TFPI) and vascular endothelial growth factor A (VEGF-A) in carotid plaques. MATERIALS AND METHODS Thirty-eight consecutive patients (20 symptomatic, 18 asymptomatic) undergoing carotid endarterectomy were enrolled into the current study. The concentration of TF, TFPI and VEGF-A in carotid plaque homogenates and blood plasma was measured using enzyme immunoassay. RESULTS The concentration of TF in carotid plaque homogenates was 60 fold higher than in blood plasma. There were no statistically significant differences between the concentration of TF, TFPI and VEGF-A in symptomatic and asymptomatic plaques. Carotid plaques of diabetic patients contained an increased level of TF and VEGF-A ( p = 0.002, p = 0.005). The plaque concentration of VEGF-A was elevated among older patients ( p = 0.02). Carotid plaques of non-smokers contained an increased level of TFPI ( p = 0.03). The concentration of TF, TFPI and VEGF-A in carotid plaques correlated positively with plasma level of these factors ( R = 0.86; p < 0.0001; R = 0.91; p < 0.0001; R = 0.80; p = 0.001, respectively). A highly positive correlation between concentration of VEGF-A and TF, TFPI in carotid plaques was also observed ( R = 0.75; p < 0.001; R = 0.62; p < 0.001, respectively). CONCLUSIONS TF, TFPI and VEGF-A concentrations do not differ in atheroma removed from symptomatic and asymptomatic patients but are higher in diabetic patients. There is a highly positive correlation between the level of VEGF-A and TF, TFPI in carotid plaques.
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Affiliation(s)
- A Migdalski
- Department of Surgery, Rydygier Medical University, Bydgoszcz, Poland.
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Harding KG, Krieg T, Eming SA, Flour MLF, Jawien A, Cencora A, Kaszuba A, Noszcyk W, Willems P, De Deene A, Joos E, De Waele P, Delaey B. Efficacy and safety of the freeze-dried cultured human keratinocyte lysate, LyphoDermtm 0.9%, in the treatment of hard-to-heal venous leg ulcers. Wound Repair Regen 2005; 13:138-47. [PMID: 15828938 DOI: 10.1111/j.1067-1927.2005.130204.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
LyphoDerm (XCELLentis, Belgium) is an end-sterilized, freeze-dried lysate from cultured allogeneic epidermal keratinocytes, formulated into a hydrophilic gel. Its efficacy and safety were evaluated, in combination with standard care (hydrocolloid dressing and compression therapy), in 194 patients suffering from hard-to-heal (lasting more than 6 weeks and not responding to conventional therapy) venous leg ulcers. Two control groups received standard care, with or without vehicle, respectively. Patients had a median age of 67.5 years and the majority were females (61%). The median duration of the ulcer was 43 weeks and in 39% of the subjects it had been present for more than 1 year. Thirty-eight percent of the patients in the standard care + LyphoDerm group had complete ulcer healing within 24 weeks (primary end point) compared to 27% of patients in the standard care + vehicle pooled groups (P = 0.114) in the "as treated" intent-to-treat cohort (37% vs. 27% in the "as randomized intent-to-treat cohort; p = 0.137). In the subgroup of patients with enlarging ulcers, the difference between the two groups was significant (30% vs. 11%; p = 0.024 in the "as treated" intent-to-treat cohort and 31% vs. 9%; p = 0.005 in the "as randomized" intent-to-treat cohort). LyphoDerm was well tolerated and safe, and no differences in the frequency of adverse events were noted between the treatment groups. Although the primary objective of the study was not achieved, the exploratory analysis carried out in patients with enlarging ulcers suggests that LyphoDerm could offer a new prospect for the treatment of patients with venous ulcers that may prove to be a significant adjunct to the overall provision of care.
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Affiliation(s)
- Keith G Harding
- Department of Surgery, Wound Healing Research Unit, University of Wales, College of Medicine, Cardiff, United Kingdom
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Abstract
OBJECTIVE(S) To describe patients presenting with sciatic nerve varices (SNV), presenting pitfalls in diagnosis and management. DESIGN Case series. METHODS Patients were investigated using duplex ultrasonography pre-operatively in three cases. Treatment was undertaken both by surgery and by foam sclerotherapy. RESULTS Clinically, SNV appeared just below the popliteal skin crease, lateral to the small saphenous vein (SSV). In two cases SNV occurred alone, in two further cases SNV occurred in conjunction with varices from other sources. Symptoms of 'sciatic' pain were present in all. Foam sclerotherapy (1% Polidocanol) was undertaken in one case with a varix. Complete obliteration of the vein and resolution of all symptoms was achieved at the 1-month follow-up examination. Surgical management was used in the other cases. CONCLUSION The sciatic nerve vein follows the fibular saphenous nerve (lying superficial to the fascia in the leg). This nerve arises from the common peroneal nerve (in the popliteal fossa), and is a major branch of the sciatic nerve. Varices of the associated vein appear to be the result of a dysplasia. This condition may be more common than is currently recognised.
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Migdalski A, Jawien A, Kotschy M, Knapik-Bieniek A. Selected Haemostatic Factors in Carotid Bifurcation Plaques of Patients Undergoing Carotid Endarterectomy. Eur J Vasc Endovasc Surg 2004; 27:172-9. [PMID: 14718900 DOI: 10.1016/j.ejvs.2003.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
OBJECTIVE To determine the concentration of selected haemostatic factors (HFs): thrombin-antithrombin complexes (TAT), antithrombin (AT), tissue plasminogen activator (t-PA), plasminogen activator inhibitor type 1 (PAI-1) and D-dimers in carotid bifurcation plaques and to compare plaque composition in different subgroups of patients (mainly those with symptomatic and asymptomatic carotid stenosis). MATERIALS AND METHODS Thirty-eight consecutive patients (20 symptomatic, 18 asymptomatic) undergoing carotid endarterectomy were enrolled in the study. The concentration of selected HFs in carotid plaques was measured using mainly enzyme immunoassay (ELISA). Simultaneously, the concentration of HFs in plasma was also obtained. RESULTS Symptomatic plaques contained significantly more TAT complexes (p=0.03). AT was found only in nine out of 38 carotid plaques and was present mainly in symptomatic carotid plaques (n=8/9)(p<0.006). No significant differences were found between symptomatic and asymptomatic carotid plaques with respect to t-PA, PAI-1 and D-dimers concentration. There was an increased concentration of TAT (p<0.001), t-PA (p<0.02) and D-dimers (p<0.02) in carotid plaques of diabetic patients. Patients with coexisting intermittent claudication had elevated levels of D-dimers in carotid plaques (p<0.02). The only positive correlation was demonstrated between the concentration of AT in plasma and carotid plaques (R=0.76; p=0.02). CONCLUSIONS All the evaluated HFs are the components of a carotid plaque. Symptomatic patients have increased concentration of TAT complexes in a carotid plaque. The symptomatic carotid plaque contains AT more frequently, which correlates positively with AT plasma levels. The most marked changes in the carotid plaque haemostatic composition (expressed by elevated levels of TAT, t-PA and D-dimers) have diabetic patients.
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Affiliation(s)
- A Migdalski
- Department of Surgery, L Rydygier Medical University, Bydgoszcz, Poland
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Abstract
The present article focuses on the prevalence and risk factors for varicose veins and the severe stage of chronic venous insufficiency (CVI). The evaluation was made by reviewing the results of specific well-designed studies performed on the general population (case-control studies, cross-sectional studies, and large case series). Data from the literature were compared with the results of a recent multicenter cross-sectional study in Poland, in which 40,095 individuals from 803 registers of primary care physicians were clinically examined and assigned a clinical CEAP class. Analysis of the associations between varicose veins or severe CVI prevalence and factors that are usually considered as representing a risk for the development of CVI was performed. In Poland, a prevalence of varicose veins and severe CVI (skin changes, leg ulcer) similar to that observed in the other developed countries was reported. It was more common in women, but female sex was not found to be a strong risk factor. Among the risk factors most closely associated with CVI were age, family history of varicose veins, and constipation, whatever the sex. This is in keeping with findings from recent epidemiologic studies. Obesity and lack of physical activity were strongly associated with CVI in women, more so than in men. The number of pregnancies (more than 2 pregnancies) significantly distinguished between women with and without CVI. Regarding these latter risk factors, the Polish results do not contradict the commonly held beliefs that are found in the literature. A modest association was found with female sex, previous injury in legs (DVT), and remaining in the standing position for a long time, although these parameters are usually among those mostly agreed as being risk factors. The role of the prolonged sitting position was not established. The Polish epidemiologic survey provided updated figures on the prevalence of and risk factors for varicose veins and severe CVI, using clear and globally accepted clinical definitions for the venous disease based on the CEAP classification.
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Affiliation(s)
- Arkadiusz Jawien
- Department of Surgery, Ludwik Rydygier University Medical School, Bydgoszcz, Poland.
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Gackowski D, Kruszewsk M, Banaszkiewicz Z, Jawien A, Olinski R. Lymphocyte labile iron pool, plasma iron, transferrin saturation and ferritin levels in colon cancer patients. Acta Biochim Pol 2003; 49:269-72. [PMID: 12136950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Patients with colorectal carcinoma showed statistically significant lower values of transferrin saturation, total iron binding capacity and serum iron level as compared with control group, while the level of ferritin and the size of labile iron pool in carcinoma patients were higher, although this difference was not statistically significant. Our observations are in favour of the hypothesis which suggests that changes in iron metabolism restrict iron availability for tumour cells and as consequence, slow their growth.
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Affiliation(s)
- Daniel Gackowski
- Department of Clinical Biochemistry, Ludwik Rydygier Medical University in Bydgoszcz, Poland
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43
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Abstract
We examine whether the level of 8-oxo-2'-deoxyguanosine (8-oxodGuo) in lymphocytes DNA is higher in colon cancer when compared to the control group. Factors that may influence oxidative stress such as antioxidant vitamins and uric acid were also determined. Blood samples were obtained from a control group of 55 healthy persons and 43 colon cancers. 8-OxodGuo level and the vitamins concentration were measured by high-performance liquid chromatography. The levels of 8-oxodGuo were significantly higher whereas the concentrations of the vitamins and uric acid were significantly lower in colon cancer patients than in control group. Therefore, the decreased concentration of antioxidant vitamins together with lower amount of uric acid may be responsible for the formation of pro-oxidative environment in blood of colorectal carcinoma patients.
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Affiliation(s)
- Daniel Gackowski
- Department of Clinical Biochemistry, The Ludwik Rydygier Medical University in Bydgoszcz, Karlowicza 24, Bydgoszcz, Poland
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Gackowski D, Kruszewski M, Bartlomiejczyk T, Jawien A, Ciecierski M, Olinski R. The level of 8-oxo-7,8-dihydro-2'-deoxyguanosine is positively correlated with the size of the labile iron pool in human lymphocytes. J Biol Inorg Chem 2002; 7:548-50. [PMID: 11941513 DOI: 10.1007/s00775-001-0335-x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2001] [Accepted: 12/14/2001] [Indexed: 10/27/2022]
Abstract
It appears that the labile iron pool (LIP, low molecular weight iron) presence in cells can result in the production of reactive oxygen species (ROS). ROS may be responsible for the formation of 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodGuo) in cellular DNA. In the present study we report on the relationship between LIP and the endogenous level of 8-oxodGuo in human lymphocytes. Good correlation has been determined between LIP and the oxidatively modified nucleoside. This in turn points out the possibility that under physiological condition there is the availability of LIP for catalyzing Fenton-type reactions in close proximity to cellular DNA. Electronic supplementary material to this paper can be obtained by using the Springer Link server located at http://dx.doi.org/10.1007/s00775-001-0335-x.
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Affiliation(s)
- Daniel Gackowski
- Department of Clinical Biochemistry, The Ludwik Rydygier Medical University in Bydgoszcz, ul. Karlowicza 24, 85-092 Bydgoszcz, Poland
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Gackowski D, Kruszewsk M, Banaszkiewicz Z, Jawien A, Olinski R. Lymphocyte labile iron pool, plasma iron, transferrin saturation and ferritin levels in colon cancer patients. Acta Biochim Pol 2002. [DOI: 10.18388/abp.2002_3845] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Patients with colorectal carcinoma showed statistically significant lower values of transferrin saturation, total iron binding capacity and serum iron level as compared with control group, while the level of ferritin and the size of labile iron pool in carcinoma patients were higher, although this difference was not statistically significant. Our observations are in favour of the hypothesis which suggests that changes in iron metabolism restrict iron availability for tumour cells and as consequence, slow their growth.
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Gackowski D, Rozalski R, Roszkowski K, Jawien A, Foksiński M, Olinski R. 8-Oxo-7,8-dihydroguanine and 8-oxo-7,8-dihydro-2'-deoxyguanosine levels in human urine do not depend on diet. Free Radic Res 2001; 35:825-32. [PMID: 11811533 DOI: 10.1080/10715760100301321] [Citation(s) in RCA: 81] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
In the present study, we used the method involving HPLC pre-purification followed by gas chromatography with isotope dilution mass spectrometric detection for the determination of 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodGuo) and 8-oxo-7,8-dihydroguanine (8-oxoGua) in human urine. The mean levels of 8-oxoGua and 8-oxodGuo in the urine samples of the subjects on unrestricted diet were respectively 1.87 nmol/kg 24 h (+/-0.90) and 0.83 nmol/kg 24 h (+/-0.49), and in the case of the groups studied, they did not depend on the applied diet. The sum of the amounts of both compounds in urine can give information about the formation rate of 8-oxoGua in cellular DNA. It is also likely that the levels of modified nucleo-base/side in urine sample are reflective of the involvement of different repair pathways responsible for the removal of 8-oxodGuo from DNA, namely base excision repair (BER) and nucleotide excision repair (NER).
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Affiliation(s)
- D Gackowski
- Department of Clinical Biochemistry, The Ludwik Rydygier Medical University, Bydgoszcz, Poland
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Gackowski D, Kruszewski M, Jawien A, Ciecierski M, Olinski R. Further evidence that oxidative stress may be a risk factor responsible for the development of atherosclerosis. Free Radic Biol Med 2001; 31:542-7. [PMID: 11498287 DOI: 10.1016/s0891-5849(01)00614-1] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
There are numerous data suggesting that oxidative stress may be involved in the development of atherosclerosis. Therefore, in the present study we measured the amount of 8-hydroxy-2'-deoxyguanosine (8-OH-dG), one of the typical biomarkers of oxidative stress, in DNA isolated from lymphocytes of the patients and in the control group. Levels of antioxidant vitamins (A, C, and E) and intracellular labile iron pool (LIP), which can influence oxidative stress, were also determined. Blood samples were obtained from a control group of 55 healthy persons and from 43 atherosclerotic patients. 8-OH-dG and the vitamin levels were measured by high-performance liquid chromatography. Labile iron pool in lymphocytes was analyzed by fluorescent assay. The levels of 8-OH-dG and LIP were significantly higher and vitamin C concentration was significantly lower in the patient group than in the control group. The rest of the analyzed parameters do not significantly differ between the groups. A lower concentration of vitamin C and higher levels of labile iron pool in a group of atherosclerotic patients when compared with the control group may lead to oxidative stress, which is manifested by a higher level of 8-OH-dG in blood lymphocytes. All these factors may create an environment that promotes the development of atherosclerosis.
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Affiliation(s)
- D Gackowski
- Department of Clinical Biochemistry, The Ludwik Rydygier Medical University in Bydgoszcz, Bydgoszcz, Poland
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48
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Abstract
This study examined the effects of blood flow on intimal hyperplasia after balloon catheter injury of the rat common carotid artery. Flow was altered by ligation of the opposite common carotid artery (increased flow) or of the ipsilateral internal carotid artery (decreased flow). Blood flow decreased by 35% in the low-flow group and increased by 29% in the high-flow group. Similar changes in mean velocity were observed. Cross-sectional intimal area was significantly greater in the low- than the high-flow group at 2 weeks (0.11 +/- 0.01 versus 0.06 +/- 0.01 mm2, p less than 0.01) and 4 weeks (0.17 +/- 0.02 versus 0.12 +/- 0.01 mm2, p = 0.01) but not at 1 or 8 weeks. Smooth muscle cell proliferation rates (thymidine labeling indexes) were not different in high- and low-flow groups at 2 days and at 1 and 4 weeks. Matrix accumulation at 2 and 4 weeks was the same in both groups. Mature neointima did not respond to changes in flow; when vessel ligation was delayed until 2 months after injury, there was no effect on neointimal area. These data indicate that early neointimal hyperplasia is increased when flow is reduced, possibly because of alteration of smooth muscle cell migration.
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Affiliation(s)
- T R Kohler
- Department of Surgery, Seattle Veterans Affairs Medical Center, WA 98108
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Jawien A, Bowen-Pope DF, Lindner V, Schwartz SM, Clowes AW. Platelet-derived growth factor promotes smooth muscle migration and intimal thickening in a rat model of balloon angioplasty. J Clin Invest 1992; 89:507-11. [PMID: 1531345 PMCID: PMC442880 DOI: 10.1172/jci115613] [Citation(s) in RCA: 539] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Platelet-derived growth factor (PDGF) is a mitogen and chemoattractant for vascular smooth muscle cells (SMC) in vitro, but its activities in vivo remain largely undefined. We infused recombinant PDGF-BB (0.01-0.30 mg/kg per d i.v.) into rats subjected to carotid injury. PDGF-BB produced a small increase (two- to threefold) in medial SMC proliferation. More importantly, PDGF-BB greatly increased (20-fold) the intimal thickening and the migration of SMC from the media to the intima during the first 7 d after injury. These data provide support for the hypothesis that PDGF, and perhaps other platelet factors, might play an important role in the movement of mesenchymal cells into zones of injury undergoing repair.
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Affiliation(s)
- A Jawien
- Department of Surgery, University of Washington School of Medicine, Seattle 98195
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Norgren L, Hallberg E, Jawien A, Krantz P, Pärsson H, Ribbe E, Thörne J. Experimental evaluation of polymerized Dacron grafts in the iliac position of pigs. Ann Vasc Surg 1990; 4:575-9. [PMID: 2148103 DOI: 10.1016/s0890-5096(06)60842-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Three differently polymerized Dacron grafts were compared to ordinary Dacron grafts and polytetrafluoroethylene grafts in the iliac artery of pigs. The grafts were inserted end-to-side and left for 40 days. Explantation was performed after glutaraldehyde pressure fixation. Gross morphology, light microscopy, and scanning electron microscopy were used to examine the specimens. We concluded that the polymerized grafts behaved similarly to polytetrafluoroethylene grafts and had a very limited foreign body reaction. Endothelial-like cells covered most of the graft surface.
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Affiliation(s)
- L Norgren
- Department of Surgery, University of Lund, Sweden
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