1
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Martens ESL, Huisman MV, van Mens TE, Klok FA. The History of Diagnosing Venous Thromboembolism. Semin Thromb Hemost 2024; 50:739-750. [PMID: 38373722 DOI: 10.1055/s-0044-1779484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
An accurate and prompt diagnosis of deep vein thrombosis and/or pulmonary embolism is important to prevent serious complications and mortality. Because the clinical presentation of venous thromboembolism (VTE) is often nonspecific, objective testing by means of radiological imaging is required to confirm the diagnosis. Historically, a diagnosis of VTE involved invasive imaging techniques like contrast venography or conventional pulmonary angiography. Technological developments toward more accurate and less invasive diagnostics have driven the implementation of a variety of newer technologies over the past decades, as well as the derivation and validation of clinical decision rules (CDRs) that can be used to rule out VTE in combination with D-dimer blood tests. In this narrative review, we provide a historical overview of the most notable developments in the imaging techniques and CDRs for VTE diagnosis.
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Affiliation(s)
- Emily S L Martens
- Department of Medicine-Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Menno V Huisman
- Department of Medicine-Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Thijs E van Mens
- Department of Medicine-Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Frederikus A Klok
- Department of Medicine-Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
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2
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de Jong CMM, Kroft LJM, van Mens TE, Huisman MV, Stöger JL, Klok FA. Modern imaging of acute pulmonary embolism. Thromb Res 2024; 238:105-116. [PMID: 38703584 DOI: 10.1016/j.thromres.2024.04.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 03/16/2024] [Accepted: 04/15/2024] [Indexed: 05/06/2024]
Abstract
The first-choice imaging test for visualization of thromboemboli in the pulmonary vasculature in patients with suspected acute pulmonary embolism (PE) is multidetector computed tomography pulmonary angiography (CTPA) - a readily available and widely used imaging technique. Through technological advancements over the past years, alternative imaging techniques for the diagnosis of PE have become available, whilst others are still under investigation. In particular, the evolution of artificial intelligence (AI) is expected to enable further innovation in diagnostic management of PE. In this narrative review, current CTPA techniques and the emerging technology photon-counting CT (PCCT), as well as other modern imaging techniques of acute PE are discussed, including CTPA with iodine maps based on subtraction or dual-energy acquisition, single-photon emission CT (SPECT), magnetic resonance angiography (MRA), and magnetic resonance direct thrombus imaging (MRDTI). Furthermore, potential applications of AI are discussed.
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Affiliation(s)
- C M M de Jong
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - L J M Kroft
- Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - T E van Mens
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - M V Huisman
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - J L Stöger
- Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - F A Klok
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands.
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3
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Bertoletti L, Girard P, Élias A, Espitia O, Schmidt J, Couturaud F, Mahé I, Sanchez O. [Translation into French and republication of: "Recurrent venous thromboembolism in anticoagulated cancer patients: diagnosis and treatment"]. Rev Med Interne 2024; 45:289-299. [PMID: 38806295 DOI: 10.1016/j.revmed.2024.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 11/17/2023] [Indexed: 05/30/2024]
Abstract
Patients with cancer are at significantly increased risk of venous thromboembolism (VTE), due both to the impact of malignant disease itself and to the impact of certain anticancer drugs on haemostasis. This is true both for first episode venous thromboembolism and recurrence. The diagnosis and management of VTE recurrence in patients with cancer poses particular challenges, and these are reviewed in the present article, based on a systematic review of the relevant scientific literature published over the last decade. Furthermore, it is uncertain whether diagnostic algorithms for venous thromboembolism, validated principally in untreated non-cancer patients, are also valid in anticoagulated cancer patients: the available data suggests that clinical decision rules and D-dimer testing perform less well in this clinical setting. In patients with cancer, computed tomography pulmonary angiography and venous ultrasound appear to be the most reliable diagnostic tools for diagnosis of pulmonary embolism and deep vein thrombosis respectively. Options for treatment of venous thromboembolism include low molecular weight heparins (at a therapeutic dose or an increased dose), fondaparinux or oral direct factor Xa inhibitors. The choice of treatment should take into account the nature (pulmonary embolism or VTE) and severity of the recurrent event, the associated bleeding risk, the current anticoagulant treatment (type, dose, adherence and possible drug-drug interactions) and cancer progression.
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Affiliation(s)
- L Bertoletti
- Service de médecine vasculaire et thérapeutique, CHU de Saint-Étienne, Inserm, UMR1059, équipe Dysfonction vasculaire et hémostase, université Jean-Monnet, CIC-1408, 42000 Saint-Étienne, France; F-CRIN INNOVTE network, Saint-Étienne, France.
| | - P Girard
- F-CRIN INNOVTE network, Saint-Étienne, France; Institut du thorax Curie-Montsouris, institut mutualiste Montsouris, Paris, France
| | - A Élias
- F-CRIN INNOVTE network, Saint-Étienne, France; Service de cardiologie et de médecine vasculaire, délégation recherche clinique et innovation, centre hospitalier intercommunal Toulon La Seyne-sur-Mer, Toulon, France
| | - O Espitia
- Service de médecine interne et vasculaire, Institut du thorax, Nantes université, CHU de Nantes, Inserm UMR 1087-CNRS UMR 6291, Team III Vascular & Pulmonary diseases, Nantes, France
| | - J Schmidt
- F-CRIN INNOVTE network, Saint-Étienne, France; Service d'urgence, CHU de Clermont-Ferrand, Lapsco-UMR UBP-CNRS 6024, université Clermont Auvergne, Clermont-Ferrand, France
| | - F Couturaud
- F-CRIN INNOVTE network, Saint-Étienne, France; Département de médecine interne, médecine vasculaire et pneumologie, CHU de Brest, Inserm U1304-GETBO, université de Brest, Brest, France
| | - I Mahé
- F-CRIN INNOVTE network, Saint-Étienne, France; Service de médecine interne, hôpital Louis-Mourier, AP-HP, Colombes, France; Université Paris Cité, Inserm UMR S1140, Innovations thérapeutiques en hémostase, Paris, France
| | - O Sanchez
- F-CRIN INNOVTE network, Saint-Étienne, France; Université Paris Cité, Inserm UMR S1140, Innovations thérapeutiques en hémostase, Paris, France; Service de pneumologie et de soins intensifs, hôpital européen Georges-Pompidou, AP-HP, Paris, France
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4
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Eltweri AM, Basamh M, Ting YY, Harris M, Garcea G, Kuan LL. A retrospective multicentre clinical study on management of isolated splenic vein thrombosis: risks and benefits of anticoagulation. Langenbecks Arch Surg 2024; 409:116. [PMID: 38592545 PMCID: PMC11003905 DOI: 10.1007/s00423-024-03295-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Accepted: 03/21/2024] [Indexed: 04/10/2024]
Abstract
INTRODUCTION Isolated splenic vein thrombosis (iSVT) is a common complication of pancreatic disease. Whilst patients remain asymptomatic, there is a risk of sinistral portal hypertension and subsequent bleeding from gastric varices if recanalisation does not occur. There is wide variation of iSVT treatment, even within single centres. We report outcomes of iSVT from tertiary referral hepatobiliary and pancreatic (HPB) units including the impact of anticoagulation on recanalisation rates and subsequent variceal bleeding risk. METHODS A retrospective cohort study including all patients diagnosed with iSVT on contrast-enhanced CT scan abdomen and pelvis between 2011 and 2019 from two institutions. Patients with both SVT and portal vein thrombosis at diagnosis and isolated splenic vein thrombosis secondary to malignancy were excluded. The outcomes of anticoagulation, recanalisation rates, risk of bleeding and progression to portal vein thrombosis were examined using CT scan abdomen and pelvis with contrast. RESULTS Ninety-eight patients with iSVT were included, of which 39 patients received anticoagulation (40%). The most common cause of iSVT was acute pancreatitis n = 88 (90%). The recanalisation rate in the anticoagulation group was 46% vs 15% in patients receiving no anticoagulation (p = 0.0008, OR = 4.7, 95% CI 1.775 to 11.72). Upper abdominal vascular collaterals (demonstrated on CT scan angiography) were significantly less amongst patients who received anticoagulation treatment (p = 0.03, OR = 0.4, 95% CI 0.1736 to 0.9288). The overall rate of upper GI variceal-related bleeding was 3% (n = 3/98) and it was independent of anticoagulation treatment. Two of the patients received therapeutic anticoagulation. CONCLUSION The current data supports that therapeutic anticoagulation is associated with a statistically significant increase in recanalisation rates of the splenic vein, with a subsequent reduction in radiological left-sided portal hypertension. However, all patients had a very low risk of variceal bleeding regardless of anticoagulation. The findings from this retrospective study should merit further investigation in large-scale randomised clinical trials.
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Affiliation(s)
- A M Eltweri
- Hepatobiliary and Pancreatic Surgery Department, University Hospitals of Leicester, Leicester General Hospital, Leicester, UK.
| | - M Basamh
- Hepatobiliary and Pancreatic Surgery Department, University Hospitals of Leicester, Leicester General Hospital, Leicester, UK
| | - Y Y Ting
- Department of Surgery, The Queen Elizabeth Hospital, The University of Adelaide, Adelaide, South Australia, Australia
| | - M Harris
- Department of Surgery, The Queen Elizabeth Hospital, The University of Adelaide, Adelaide, South Australia, Australia
| | - G Garcea
- Hepatobiliary and Pancreatic Surgery Department, University Hospitals of Leicester, Leicester General Hospital, Leicester, UK
| | - L L Kuan
- Department of Surgery, The Queen Elizabeth Hospital, The University of Adelaide, Adelaide, South Australia, Australia
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Balmforth C, Whittington B, Tzolos E, Bing R, Williams MC, Clark L, Corral CA, Tavares A, Dweck MR, Newby DE. Translational molecular imaging: Thrombosis imaging with positron emission tomography. J Nucl Cardiol 2024:101848. [PMID: 38499227 DOI: 10.1016/j.nuclcard.2024.101848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 03/05/2024] [Accepted: 03/10/2024] [Indexed: 03/20/2024]
Abstract
A key focus of cardiovascular medicine is the detection, treatment, and prevention of disease, with a move towards more personalized and patient-centred treatments. To achieve this goal, novel imaging approaches that allow for early and accurate detection of disease and risk stratification are needed. At present, the diagnosis, monitoring, and prognostication of thrombotic cardiovascular diseases are based on imaging techniques that measure changes in structural anatomy and biological function. Molecular imaging is emerging as a new tool for the non-invasive detection of biological processes, such as thrombosis, that can improve identification of these events above and beyond current imaging modalities. At the forefront of these evolving techniques is the use of high-sensitivity radiotracers in conjunction with positron emission tomography imaging that could revolutionise current diagnostic paradigms by improving our understanding of the role and origin of thrombosis in a range of cardiovascular diseases.
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Affiliation(s)
- Craig Balmforth
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom.
| | - Beth Whittington
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Evangelos Tzolos
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Rong Bing
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Michelle C Williams
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom; Edinburgh Imaging, Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Laura Clark
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - Carlos Alcaide Corral
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom; Edinburgh Imaging, Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Adriana Tavares
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom; Edinburgh Imaging, Queen's Medical Research Institute, Edinburgh, United Kingdom
| | - Marc Richard Dweck
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
| | - David Ernest Newby
- BHF Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
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Liu F, Zhai Q. Expression level of neutrophil extracellular traps in peripheral blood of patients with chronic heart failure complicated with venous thrombosis and its clinical significance. J Cardiothorac Surg 2024; 19:129. [PMID: 38491551 PMCID: PMC10941499 DOI: 10.1186/s13019-024-02506-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 01/18/2024] [Indexed: 03/18/2024] Open
Abstract
OBJECTIVE Previous studies have reported that neutrophil extracellular traps (NETs) have been identified to be involved in thrombosis, but the clinical value in chronic heart failure (CHF) patients with venous thrombosis is unclear. This study focused on the expression level of NETs in the peripheral blood of patients with CHF complicated with venous thrombosis and its clinical value. METHODS 80 patients with CHF were included and divided into 2 groups according to the occurrence of venous thrombosis, and the expression levels of NETs in peripheral venous blood and lesion veins of the patients were detected through fluorescent staining. Myeloperoxidase-DNA (MPO-DNA) and citrullinated histone H3 (CitH3), markers of NETs, were detected by enzyme linked immunosorbent assay kit. The receiver operating characteristic (ROC) curve was used to analyze the value of peripheral venous blood NETs in the diagnosis of venous thrombosis in CHF patients, while the relationship between NETs in peripheral and lesion veins was analyzed by a unitary linear regression model. RESULTS The results showed that the concentration of NETs, MPO-DNA, and CitH3 in CHF patients combined with venous thrombosis was markedly higher than that in patients without venous thrombosis, and the concentration of NETs, MPO-DNA, and CitH3 in lesion venous blood was notably higher than that in peripheral venous blood. Binary logistics regression analysis showed that NETs in peripheral venous blood were an independent risk factor for venous thrombosis in patients with heart failure. The unitary linear regression model fitted well, indicating a notable positive correlation between NETs concentrations in peripheral and lesion veins. The area under the ROC curve for diagnosing venous thrombosis was 0.85, indicating that peripheral blood NETs concentration levels could effectively predict venous thrombosis in CHF patients. CONCLUSION The expression level of NETs was high in the peripheral blood of CHF patients combined with venous thrombosis and was the highest in lesion venous blood. NETs levels in peripheral blood had the value of diagnosing venous thrombosis in CHF patients, and the concentrations of NETs in peripheral and lesion veins are markedly positively correlated.
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Affiliation(s)
- Fang Liu
- Medical Lab, The Second Affiliated Hospital of Xi'an Medical University, Xi'an, 710038, Shaanxi, China
| | - Qian Zhai
- Department of Blood test, Xi'an Blood Center, Shaanxi Blood Center, No.407 Zhuque Street, Yanta District, Xi'an, 710061, Shaanxi Province, China.
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Bordeanu-Diaconescu EM, Grosu-Bularda A, Frunza A, Grama S, Andrei MC, Neagu TP, Hariga CS, Lascar I. Venous Thromboembolism in Burn Patients: A 5-Year Retrospective Study. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:258. [PMID: 38399545 PMCID: PMC10889946 DOI: 10.3390/medicina60020258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024]
Abstract
Background and Objectives: Burn patients manifest all components of Virchow's triad, amplifying the concern for venous thromboembolism (VTE). Routine prophylaxis for VTE remains a subject of debate, with the central concern being the occurrence of associated adverse events. Materials and Methods: We conducted a five-year retrospective study on burn patients admitted to our burn center. Demographic data, comorbidities, burn lesions characteristics, surgical interventions, anticoagulant medication, the need for transfusions, the presence of a central venous catheter, length of stay, complications, and mortality were recorded. Results: Of the overall number of patients (494), 2.63% (13 patients) developed venous thromboembolic complications documented through paraclinical investigations. In 70% of cases, thrombosis occurred in a limb with central venous catether (CVC). Every patient with VTE had a Caprini score above 8, with a mean score of 12 points in our study group. Conclusions: Considering each patient's particularities and burn injury characteristics, individualized approaches may be necessary to optimize thromboprophylaxis effectiveness. We suggest routinely using the Caprini Risk Assessment Model in burn patients. We recommend the administration of pharmacologic thromboprophylaxis in all patients and careful monitoring of patients with Caprini scores above 8, due to the increased risk of VTE. Additionally, ongoing research in this field may provide insights into new strategies for managing thrombotic risk in burn patients.
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Affiliation(s)
- Eliza-Maria Bordeanu-Diaconescu
- Burn Centre, Emergency Clinical Hospital of Bucharest, 014461 Bucharest, Romania; (E.-M.B.-D.); (A.G.-B.)
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
| | - Andreea Grosu-Bularda
- Burn Centre, Emergency Clinical Hospital of Bucharest, 014461 Bucharest, Romania; (E.-M.B.-D.); (A.G.-B.)
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
| | - Adrian Frunza
- Burn Centre, Emergency Clinical Hospital of Bucharest, 014461 Bucharest, Romania; (E.-M.B.-D.); (A.G.-B.)
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
| | - Sabina Grama
- Burn Centre, Emergency Clinical Hospital of Bucharest, 014461 Bucharest, Romania; (E.-M.B.-D.); (A.G.-B.)
| | - Mihaela-Cristina Andrei
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
| | - Tiberiu Paul Neagu
- Burn Centre, Emergency Clinical Hospital of Bucharest, 014461 Bucharest, Romania; (E.-M.B.-D.); (A.G.-B.)
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
| | - Cristian-Sorin Hariga
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
| | - Ioan Lascar
- Department of Plastic Surgery and Reconstructive Microsurgery, ”Carol Davila” University of Medicine and Pharmacy Bucharest, 010825 Bucharest, Romania (I.L.)
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8
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Bertoletti L, Girard P, Elias A, Espitia O, Schmidt J, Couturaud F, Mahé I, Sanchez O. Recurrent venous thromboembolism in anticoagulated cancer patients: Diagnosis and treatment. Arch Cardiovasc Dis 2024; 117:84-93. [PMID: 38065753 DOI: 10.1016/j.acvd.2023.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 11/17/2023] [Indexed: 12/27/2023]
Abstract
Patients with cancer are at significantly increased risk of venous thromboembolism (VTE), due both to the impact of malignant disease itself and to the impact of certain anticancer drugs on haemostasis. This is true both for first episode venous thromboembolism and recurrence. The diagnosis and management of VTE recurrence in patients with cancer poses particular challenges, and these are reviewed in the present article, based on a systematic review of the relevant scientific literature published over the last decade. Furthermore, it is uncertain whether diagnostic algorithms for venous thromboembolism, validated principally in untreated non-cancer patients, are also valid in anticoagulated cancer patients: the available data suggests that clinical decision rules and D-dimer testing perform less well in this clinical setting. In patients with cancer, computed tomography pulmonary angiography and venous ultrasound appear to be the most reliable diagnostic tools for diagnosis of pulmonary embolism and deep vein thrombosis respectively. Options for treatment of venous thromboembolism include low molecular weight heparins (at a therapeutic dose or an increased dose), fondaparinux or oral direct factor Xa inhibitors. The choice of treatment should take into account the nature (pulmonary embolism or VTE) and severity of the recurrent event, the associated bleeding risk, the current anticoagulant treatment (type, dose, adherence and possible drug-drug interactions) and cancer progression.
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Affiliation(s)
- Laurent Bertoletti
- Service de médecine vasculaire et thérapeutique, CHU de Saint-Étienne, INSERM, UMR1059, Équipe Dysfonction Vasculaire et Hémostase, Université Jean-Monnet, INSERM, CIC-1408, CHU Saint-Etienne, Saint-Etienne, France; F-CRIN INNOVTE network, Saint-Etienne, France.
| | - Philippe Girard
- Institut du thorax Curie-Montsouris, institut mutualiste Montsouris, Paris, France; F-CRIN INNOVTE network, Saint-Etienne, France
| | - Antoine Elias
- Service de cardiologie et de médecine vasculaire, délégation recherche clinique et innovation, centre hospitalier intercommunal Toulon La Seyne-sur-Mer, Toulon, France; F-CRIN INNOVTE network, Saint-Etienne, France
| | - Olivier Espitia
- Service de médecine interne et vasculaire, institut du thorax, Nantes université, CHU de Nantes, Inserm UMR 1087-CNRS UMR 6291, Team III Vascular & Pulmonary diseases, Nantes, France
| | - Jeannot Schmidt
- Service d'urgence, CHU de Clermont-Ferrand, LAPSCO-UMR UBP-CNRS 6024, Université Clermont Auvergne, Clermont-Ferrand, France; F-CRIN INNOVTE network, Saint-Etienne, France
| | - Francis Couturaud
- Département de médecine interne, médecine vasculaire et pneumologie, CHU de Brest, Inserm U1304-GETBO, université de Brest, Brest, France; F-CRIN INNOVTE network, Saint-Etienne, France
| | - Isabelle Mahé
- Service de médecine interne, hôpital Louis-Mourier, AP-HP, Colombes, France; Université Paris Cité, Inserm UMR S1140, innovations thérapeutiques en hémostase, Paris, France; F-CRIN INNOVTE network, Saint-Etienne, France
| | - Olivier Sanchez
- Université Paris Cité, Inserm UMR S1140, innovations thérapeutiques en hémostase, Paris, France; Service de pneumologie et de soins intensifs, Hôpital européen Georges-Pompidou, AP-HP, Paris, France; F-CRIN INNOVTE network, Saint-Etienne, France
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9
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Abate V, Vergatti A, Casoria A, Zarrella AF, Muscariello R, Nuzzo V, Vargas M, Servillo G, Conca P, D'Elia L, Iannuzzo G, Venetucci P, De Filippo G, Rendina D, Tufano A. Venous thromboembolism and major bleeding in severe and critical COVID-19 hospitalized patients. Monaldi Arch Chest Dis 2023; 94. [PMID: 37403940 DOI: 10.4081/monaldi.2023.2617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 06/07/2023] [Indexed: 07/06/2023] Open
Abstract
Venous thromboembolism (VTE) and major bleeding (MB) are life-threatening complications described in COVID-19 hospitalized patients, and they can be considered two sides of the same coin. This retrospective study aims to evaluate the risk factors for VTE and MB in COVID-19 patients admitted to two Italian hospitals. The medical records of all COVID-19 patients (males 139; 62.3%, mean age 67.2±13.6 years, body weight 88.2±20.6 kg) hospitalized from March 11th to July 31st, 2020, at the Federico II University Hospital and the Sea Hospital, Naples, Italy, were analyzed. The COVID-19 patients were classified into four groups: COVID-19 patients developing VTE and/or MB, COVID-19 patients developing only VTE, COVID-19 patients developing only MB, and COVID-19 patients not developing either VTE or MB. During the hospitalization, 53 COVID-19 patients (24.7%; males 40; 75.5%, mean age 67.2±13.6 years, weight 88.2±20.6 kg) developed VTE, 33 COVID-19 patients (15.3%; males 17; 51.5, mean age 67.3±14.9 years, weight 74.1±14.3 kg) developed MB, and 129 COVID-19 patients did not develop either TVP or MB. No parameters to identify severe COVID-19 complicated by VTE and/or MB were found. However, some clinical and biochemical parameters can be evaluated to predict the risk of MB in order to modify the treatment and take prompt action to reduce mortality.
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Affiliation(s)
- Veronica Abate
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | - Anita Vergatti
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | - Aniello Casoria
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | | | | | - Vincenzo Nuzzo
- Endocrinology and Nutrition Department, Ospedale del Mare, Naples.
| | - Maria Vargas
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University of Naples.
| | - Giuseppe Servillo
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, Federico II University of Naples.
| | - Paolo Conca
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | - Lanfranco D'Elia
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | - Gabriella Iannuzzo
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | - Pietro Venetucci
- Department of Morphological and Functional Diagnostics, Radiotherapy, Forensic Medicine, Federico II University of Naples.
| | - Gianpaolo De Filippo
- Department of Pediatric Endocrinology and Diabetology, Robert Debré University Hospital, Assistance Publique-Hôpitaux de Paris.
| | - Domenico Rendina
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
| | - Antonella Tufano
- Department of Clinical Medicine and Surgery, Federico II University of Naples.
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10
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Luijten D, Klok FA, van Mens TE, Huisman MV. Clinical controversies in the management of acute pulmonary embolism: evaluation of four important but controversial aspects of acute pulmonary embolism management that are still subject of debate and research. Expert Rev Respir Med 2023; 17:181-189. [PMID: 36912598 DOI: 10.1080/17476348.2023.2190888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 03/10/2023] [Indexed: 03/14/2023]
Abstract
INTRODUCTION Acute pulmonary embolism (PE) is a disease with a broad spectrum of clinical presentations. While some patients can be treated at home or may even be left untreated, other patients require an aggressive approach with reperfusion treatment. AREAS COVERED (1) Advanced reperfusion treatment in hemodynamically stable acute PE patients considered to be at high risk of decompensation and death, (2) the treatment of subsegmental pulmonary embolism, (3) outpatient treatment for hemodynamically stable PE patients with signs of right ventricle (RV) dysfunction, and (4) the optimal approach to identify and treatpost-PE syndrome. EXPERT OPINION Outside clinical trials, hemodynamically stable acute PE patients should not be treated with primary reperfusion therapy. Thrombolysis and/or catheter-directed therapy are only to be considered as rescue treatment. Subsegmental PE can be left untreated in selected low-risk patients, after proximal deep vein thrombosis has been ruled out. Patients with an sPESI or Hestia score of 0 criteria can be treated at home, independent of the presence of RV overload. Finally, health-care providers should be aware of post-PE syndrome and diagnose chronic thromboembolic pulmonary disease (CTEPD) as early as possible. Persistently symptomatic patients without CTEPD benefit from exercise training and cardiopulmonary rehabilitation.
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Affiliation(s)
- Dieuwke Luijten
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, Netherlands
| | - Frederikus A Klok
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, Netherlands
| | - Thijs E van Mens
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, Netherlands
- Department of Vascular Medicine, Amsterdam Cardiovascular Sciences, Amsterdam Reproduction and Development, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, Netherlands
| | - Menno V Huisman
- Department of Medicine - Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, Netherlands
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11
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Kaptein FHJ, Stals MAM, Evenhuis RE, Gelderblom H, Huisman MV, Karis DSA, Noten RWD, Cannegieter SC, Speetjens FM, Verschoor AJ, Versteeg HH, van de Sande MAJ, Klok FA. Risk of venous thromboembolism and major bleeding in the clinical course of osteosarcoma and Ewing sarcoma. Thromb Res 2023; 221:19-25. [PMID: 36435048 DOI: 10.1016/j.thromres.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/25/2022] [Accepted: 11/11/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND Patients with osteosarcoma (OS) and Ewing sarcoma (ES) are considered to have a high venous thromboembolism (VTE) risk, although the exact incidence and prognostic impact are under-researched in general as well as in relevant age groups. AIMS To study the impact of VTE and major bleeding (MB) in OS and ES patients, subdivided in children, Adolescents Young Adults (AYAs; aged 18-39) and older adults. METHODS Retrospective single-center chart review in 519 OS and 165 ES patients treated between 1980 and 2018. Patients were followed from sarcoma diagnosis until an outcome of interest (VTE, MB) or death occurred. Cumulative incidences were estimated with death as competing risk. Cox models were used to determine prognostic impact. RESULTS Five-year cumulative incidences of VTE were 12 % (95%CI 9.1-15) for OS and 6.7 % (95%CI 3.5-11) for ES patients, mostly happening in patients ≥18 years; the most frequent VTE presentation was catheter-related upper-extremity thrombosis (OS: 18/65, ES: 7/11). Five-year cumulative incidences for MB were 5.8 % (95%CI 4.0-8.1) in OS and 5.4 % (95%CI 2.5-9.8) in ES patients. 192 OS and 77 ES AYAs were included, who faced similar VTE and MB incidences as older adults. In OS, VTE and MB were both associated with mortality (adjusted HRs 2.0 [95%CI 1.4-2.9] and 2.4 [95%CI 1.4-4.0], respectively), whereas in ES this association was only present for MB (aHR 3.4 [95%CI 1.2-9.6]). CONCLUSIONS VTE is a frequent complication in adult OS and to a lesser extent in ES patients, while the rate of MB was comparably high in both sarcoma types.
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Affiliation(s)
- Fleur H J Kaptein
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Milou A M Stals
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Richard E Evenhuis
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | - Hans Gelderblom
- Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands
| | - Menno V Huisman
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Diederik S A Karis
- Department of Orthopedic Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | - Renee W D Noten
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Suzanne C Cannegieter
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands; Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Frank M Speetjens
- Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands
| | - Arjan J Verschoor
- Department of Medical Oncology, Leiden University Medical Center, Leiden, the Netherlands
| | - Henri H Versteeg
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Frederikus A Klok
- Department of Medicine - Thrombosis & Hemostasis, Leiden University Medical Center, Leiden, the Netherlands.
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12
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Kapteijn MY, Kaptein FHJ, Stals MAM, Klaase EE, García-Ortiz I, van Eijk R, Ruano D, van Duinen SG, Cannegieter SC, Taphoorn MJB, Dirven L, Koekkoek JAF, Klok FA, Versteeg HH, Buijs JT. Targeted DNA sequencing to identify genetic aberrations in glioblastoma that underlie venous thromboembolism; a cohort study. Thromb Res 2023; 221:10-18. [PMID: 36435047 DOI: 10.1016/j.thromres.2022.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND AND OBJECTIVES Patients with glioblastoma have a high risk of developing venous thromboembolism (VTE). However, the role of underlying genetic risk factors remains largely unknown. Therefore, the aim of this study was to discover whether genetic aberrations in glioblastoma associate with VTE risk. METHODS In this cohort study, all consecutive patients diagnosed with glioblastoma in two Dutch hospitals between February 2017 and August 2020 were included. Targeted DNA next-generation sequencing of all glioblastomas was performed for diagnostic purposes and included mutational status of the genes ATRX, BRAF, CIC, FUBP1, H3F3A, IDH1, IDH2, PIK3CA, PTEN and TP53 and amplification/gain or deletion of BRAF, CDKN2A, EGFR, NOTCH1 and PTEN. The primary outcome was VTE within three months before glioblastoma diagnosis until two years after. Cumulative incidences were determined using competing risk analysis adjusting for mortality. Univariable Cox regression analysis was performed to determine hazard ratios. RESULTS From 324 patients with glioblastoma, 25 were diagnosed with VTE. Patients with a CDKN2A deletion had a 12-month adjusted cumulative incidence of VTE of 12.5 % (95%CI: 7.3-19.3) compared with 5.4 % (95%CI: 2.6-9.6) in patients with CDKN2A wildtype (p = 0.020), corresponding to a HR of 2.53 (95%CI: 1.12-5.73, p = 0.026). No significant associations were found between any of the other investigated genes and VTE. CONCLUSION This study suggests a potential role for CDKN2A deletion in glioblastoma-related VTE. Therefore, once independently validated, CDKN2A mutational status may be a promising predictor to identify glioblastoma patients at high risk for VTE, who may benefit from thromboprophylaxis.
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Affiliation(s)
- Maaike Y Kapteijn
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Fleur H J Kaptein
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Milou A M Stals
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Eva E Klaase
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Inés García-Ortiz
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Ronald van Eijk
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Dina Ruano
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Sjoerd G van Duinen
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Suzanne C Cannegieter
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands; Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Martin J B Taphoorn
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
| | - Linda Dirven
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
| | - Johan A F Koekkoek
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
| | - Frederikus A Klok
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Henri H Versteeg
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Jeroen T Buijs
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands.
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13
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Prevalence, Treatment, and Prognosis of Tumor Thrombi in Renal Cell Carcinoma. JACC: CARDIOONCOLOGY 2022; 4:522-531. [DOI: 10.1016/j.jaccao.2022.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 07/21/2022] [Indexed: 11/17/2022]
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14
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Kaptein FHJ, Stals MAM, Kapteijn MY, Cannegieter SC, Dirven L, van Duinen SG, van Eijk R, Huisman MV, Klaase EE, Taphoorn MJB, Versteeg HH, Buijs JT, Koekkoek JAF, Klok FA. Incidence and determinants of thrombotic and bleeding complications in patients with glioblastoma. J Thromb Haemost 2022; 20:1665-1673. [PMID: 35460331 PMCID: PMC9320838 DOI: 10.1111/jth.15739] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 04/12/2022] [Accepted: 04/13/2022] [Indexed: 12/03/2022]
Abstract
BACKGROUND Glioblastoma patients are considered to be at high risk of venous thromboembolism (VTE) and major bleeding (MB), although reliable incidence estimates are lacking. Moreover, the risk of arterial thromboembolism (ATE) in these patients is largely unknown. Our aim was to assess the cumulative incidence, predictors, and prognostic impact of VTE, ATE, and MB on subsequent complications and mortality. METHODS Cohort study of 967 consecutive patients diagnosed with glioblastoma between 2004-2020 in two hospitals. Patients were followed from 6 months before date of histopathological glioblastoma diagnosis up to 2 years after, or until an outcome of interest (VTE, ATE, and MB) or death occurred, depending on the analysis. Cumulative incidences were estimated with death as competing risk. Cox regression was used to identify predictors and the prognostic impact. RESULTS A total of 101 patients were diagnosed with VTE, 50 with ATE, and 126 with MB during a median follow-up of 15 months (interquartile range 9.0-22). The adjusted 1-year cumulative incidence of VTE was 7.5% (95% confidence interval [CI] 5.9-9.3), of ATE 4.1% (95% CI 3.0-5.6), and of MB 12% (95% CI 9.6-14). Older age, type of surgery, and performance status were predictors of VTE. Incident VTE during follow-up was associated with MB (adjusted HR 4.7, 95% CI 2.5-9.0). MB and VTE were associated with mortality (adjusted HR 1.7, 95% CI 1.3-2.1 and 1.3, 95% CI 1.0-1.7, respectively). CONCLUSION We found considerable incidences of VTE and MB in glioblastoma patients, with both complications associated with poorer prognosis. Our observations emphasize the need for prospective studies to determine optimal thromboprophylaxis and VTE treatment strategy in these patients.
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Affiliation(s)
- Fleur H. J. Kaptein
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Milou A. M. Stals
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Maaike Y. Kapteijn
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Suzanne C. Cannegieter
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
- Department of Clinical EpidemiologyLeiden University Medical CentreLeidenThe Netherlands
| | - Linda Dirven
- Department of NeurologyLeiden University Medical CentreLeidenThe Netherlands
- Department of NeurologyHaaglanden Medical CentreThe HagueThe Netherlands
| | | | - Ronald van Eijk
- Department of PathologyLeiden University Medical CentreLeidenThe Netherlands
| | - Menno V. Huisman
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Eva E. Klaase
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Martin J. B. Taphoorn
- Department of NeurologyLeiden University Medical CentreLeidenThe Netherlands
- Department of NeurologyHaaglanden Medical CentreThe HagueThe Netherlands
| | - Henri H. Versteeg
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Jeroen T. Buijs
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
| | - Johan A. F. Koekkoek
- Department of NeurologyLeiden University Medical CentreLeidenThe Netherlands
- Department of NeurologyHaaglanden Medical CentreThe HagueThe Netherlands
| | - Frederikus A. Klok
- Department of Medicine ‐ Thrombosis & HemostasisLeiden University Medical CentreLeidenThe Netherlands
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15
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Wang WD, Wei JP, Gao RQ, Yang QC, Chen T, Zhou HK, Dong DH, Yang XS, Yu PF, Zhang Y, Li XH, Ji G. A retrospective study of the role of preoperative ultrasonography in the detection of deep vein thrombosis in 1750 patients with gastric and colorectal cancers. Thromb Res 2022; 216:52-58. [PMID: 35716635 DOI: 10.1016/j.thromres.2022.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 06/08/2022] [Accepted: 06/09/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND There has been a lack of research in the past on the prevalence and risk factors associated with deep vein thrombosis (DVT) in patients with resectable gastric and colorectal cancers. The purpose of this study was to review the anatomical distribution, prevalence and risk factors associated with lower limb DVT in 1750 patients with preoperative gastric and colorectal cancers and to evaluate the role of preoperative ultrasonography in the detection of DVT in preventing postoperative pulmonary thromboembolism (PTE) in patients with gastric and colorectal cancers. METHODS A total of 1750 patients with gastric and colorectal cancers who underwent preoperative venous ultrasonography of the lower limbs were retrospectively reviewed. The risk factors associated with preoperative DVT were identified using univariate and multivariate logistic regression analysis. RESULTS Seventy-three of the 1750 patients with gastric and colorectal cancers had DVT detected by preoperative venous ultrasonography of the lower limb and the incidence of lower limb DVT was 4.17 % in 1750 patients with gastric and colorectal cancers. Univariate analysis showed a higher risk of DVT in patients who met the following criteria: aged ≥80 years, female sex, the performance status ≥1, stage IV, ASA class ≥ III/IV, and hypertension. Multivariate logistic regression analysis showed that female sex, stage IV and ASA class ≥ III/IV were significantly associated with DVT before gastric and colorectal cancer surgery. CONCLUSIONS Our study showed that female sex, stage IV and ASA class ≥ III/IV were significantly associated with DVT before gastric and colorectal cancer surgery. Routine venous ultrasonography for the lower limb can identify the risk of PTE, which is of great significance in the prevention and occurrence of PTE.
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Affiliation(s)
- Wei Dong Wang
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Jiang Peng Wei
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Rui Qi Gao
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Qin Chuan Yang
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Tong Chen
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Hai Kun Zhou
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Dan Hong Dong
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Xi Sheng Yang
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Peng Fei Yu
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China
| | - Ying Zhang
- Department of Radiotherapy, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China.
| | - Xiao Hua Li
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China.
| | - Gang Ji
- Department of Gastrointestinal Surgery, Xijing Hospital, Air Force Military Medical University, Xi'an, Shaanxi, China.
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Wu G, Liu L, Wang T, Pan C. T1 mapping is useful for staging deep venous thrombosis in the lower extremities. Acta Radiol 2022; 63:489-496. [PMID: 33910379 DOI: 10.1177/02841851211004425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The discrimination of acute and chronic deep venous thrombosis (DVT) is of great importance. Quantitative imaging is an urgent requirement in reflecting intrinsic characteristics of thrombosis. PURPOSE To investigate the feasibility of T1 mapping in staging DVT in the lower extremities. MATERIAL AND METHODS A total of 57 patients with DVT in the lower extremities (26 men, 31 women; mean age = 53.3 years) underwent T1-weighted imaging and T1 mapping for obtaining T1 signal intensity (SI) and T1 time of thrombus. The relative SI (rSI) of DVT was obtained by calculating the ratio of thrombus SI to muscle SI. The Mann-Whitney U test was used to compare rSI and T1 time of DVT between acute group (patients with limb edema ≤ 2 weeks) and chronic group (patients with limb edema > 2 weeks). A receiver operator characteristic (ROC) curve was constructed for further evaluation. RESULTS DVT rSI was significantly higher in the acute group versus the chronic group (2.8 ± 1.2 vs. 1.4 ± 0.6; P<0.05). DVT T1 time was significantly lower in the acute group versus the chronic group (819.4 ± 223.7 ms vs. 1264.8 ± 270.7 ms; P<0.05). The area under the curve (AUC) was 0.93 for T1 time and 0.75 for rSI. When using 1015 ms as the cut-off, the sensitivity and specificity of T1 time were 91% (32/35) and 86% (19/22), respectively. CONCLUSION T1 mapping is a potential technique in discriminating acute from chronic DVT in the lower extremities and warrants further investigation.
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Affiliation(s)
- Gang Wu
- Department of Radiology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, PR China
| | - Liangjin Liu
- Department of Radiology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, PR China
| | - Ting Wang
- Department of Ultrasound, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, PR China
| | - Chu Pan
- Department of Radiology, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan, PR China
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Chen D, Liu P, Liu Y, Wang Z, Zhou Y, Jiang L, Yuan C, Li Y, Lin W, Huang M. A Clot-Homing Near-Infrared Probe for In Vivo Imaging of Murine Thromboembolic Models. Adv Healthc Mater 2022; 11:e2102213. [PMID: 34994110 DOI: 10.1002/adhm.202102213] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/16/2021] [Indexed: 11/09/2022]
Abstract
Direct thrombus imaging contributes to early detection of thrombosis, and animal models with clinical relevance are vital in the development of new thrombolytics. Here, a facile clot-homing strategy is developed based on the finding that blood clot is negatively charged. Positively charged pentalysine moiety is coupled with phthalocyanine-based fluorophore , and its applications in murine thromboembolic models are described. The probe efficiently stains the cryosection of intracranial thrombi retrieved from patients with cardioembolic stroke. In vitro, the fibrin-rich clot is labeled by the probe at sub-nanomolar concentration. The probe-labeled clot is formed into microparticles (1-5 µm) and intravenously injected into mice for pulmonary embolism modeling. In vivo imaging demonstrates fast accumulation and retention of fluorescent clot microparticles in pulmonary vessels. Recombinant tissue-type plasminogen activator (rtPA) administration greatly reduces near-infrared signal in the lungs in a time-dependent manner. This probe is also tested in a stroke model. Middle cerebral artery is occluded by autologous thrombi formed under electric stimulation. In vivo imaging shows that the probe efficiently homes to thrombus at early stage. Hence, this probe has great potential in real-time imaging of thromboembolism in clinically relevant models, promoting bench-to-bedside translation. This clot-homing principle can be used in other applications.
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Affiliation(s)
- Dan Chen
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Peiwen Liu
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Yurong Liu
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Zhiyou Wang
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Yang Zhou
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Longguang Jiang
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Cai Yuan
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
| | - Yongkun Li
- Department of Neurology Fujian Provincial Hospital, Shengli Clinical College of Fujian Medical University No. 134 Dong Street Fuzhou Fujian 350001 P. R. China
| | - Wei Lin
- Fujian Institute of integrated traditional Chinese and Western Medicine Fujian University of Traditionial Chinese Medicine No. 1 Qiuyang Road, Minhou District Fuzhou 350122 P. R. China
| | - Mingdong Huang
- College of Chemistry Fuzhou University No. 2 Wulongjiang North Avenue Fuzhou 350108 P. R. China
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Raynor WY, Park PSU, Borja AJ, Sun Y, Werner TJ, Ng SJ, Lau HC, Høilund-Carlsen PF, Alavi A, Revheim ME. PET-Based Imaging with 18F-FDG and 18F-NaF to Assess Inflammation and Microcalcification in Atherosclerosis and Other Vascular and Thrombotic Disorders. Diagnostics (Basel) 2021; 11:diagnostics11122234. [PMID: 34943473 PMCID: PMC8700072 DOI: 10.3390/diagnostics11122234] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 01/13/2023] Open
Abstract
Positron emission tomography (PET) imaging with 18F-fluorodeoxyglucose (FDG) represents a method of detecting and characterizing arterial wall inflammation, with potential applications in the early assessment of vascular disorders such as atherosclerosis. By portraying early-stage molecular changes, FDG-PET findings have previously been shown to correlate with atherosclerosis progression. In addition, recent studies have suggested that microcalcification revealed by 18F-sodium fluoride (NaF) may be more sensitive at detecting atherogenic changes compared to FDG-PET. In this review, we summarize the roles of FDG and NaF in the assessment of atherosclerosis and discuss the role of global assessment in quantification of the vascular disease burden. Furthermore, we will review the emerging applications of FDG-PET in various vascular disorders, including pulmonary embolism, as well as inflammatory and infectious vascular diseases.
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Affiliation(s)
- William Y. Raynor
- Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA; (W.Y.R.); (P.S.U.P.); (A.J.B.); (T.J.W.); (A.A.)
| | - Peter Sang Uk Park
- Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA; (W.Y.R.); (P.S.U.P.); (A.J.B.); (T.J.W.); (A.A.)
- Perelman School of Medicine at the University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA;
| | - Austin J. Borja
- Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA; (W.Y.R.); (P.S.U.P.); (A.J.B.); (T.J.W.); (A.A.)
- Perelman School of Medicine at the University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA;
| | - Yusha Sun
- Perelman School of Medicine at the University of Pennsylvania, 3400 Civic Center Boulevard, Philadelphia, PA 19104, USA;
| | - Thomas J. Werner
- Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA; (W.Y.R.); (P.S.U.P.); (A.J.B.); (T.J.W.); (A.A.)
| | - Sze Jia Ng
- Department of Medicine, Crozer-Chester Medical Center, Upland, PA 19013, USA; (S.J.N.); (H.C.L.)
| | - Hui Chong Lau
- Department of Medicine, Crozer-Chester Medical Center, Upland, PA 19013, USA; (S.J.N.); (H.C.L.)
| | - Poul Flemming Høilund-Carlsen
- Department of Nuclear Medicine, Odense University Hospital, 5000 Odense C, Denmark;
- Department of Clinical Research, University of Southern Denmark, 5000 Odense C, Denmark
| | - Abass Alavi
- Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA; (W.Y.R.); (P.S.U.P.); (A.J.B.); (T.J.W.); (A.A.)
| | - Mona-Elisabeth Revheim
- Department of Radiology, Hospital of the University of Pennsylvania, 3400 Spruce Street, Philadelphia, PA 19104, USA; (W.Y.R.); (P.S.U.P.); (A.J.B.); (T.J.W.); (A.A.)
- Division of Radiology and Nuclear Medicine, Oslo University Hospital, Sognsvannsveien 20, 0372 Oslo, Norway
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Problemveien 7, 0315 Oslo, Norway
- Correspondence: or
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20
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van Dam LF, Dronkers CEA, Gautam G, Eckerbom Å, Ghanima W, Gleditsch J, van Haren GR, von Heijne A, Huisman MV, Stöger JL, Westerlund E, Kroft LJM, Klok FA. Detection of upper extremity deep vein thrombosis by magnetic resonance non-contrast thrombus imaging. J Thromb Haemost 2021; 19:1973-1980. [PMID: 34018662 PMCID: PMC8361740 DOI: 10.1111/jth.15394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/04/2021] [Accepted: 05/12/2021] [Indexed: 12/23/2022]
Abstract
BACKGROUND Compression ultrasonography (CUS) is the first-line imaging test for diagnosing upper extremity deep vein thrombosis (UEDVT), but often yields inconclusive test results. Contrast venography is still considered the diagnostic standard but is an invasive technique. OBJECTIVES We aimed to determine the diagnostic accuracy of magnetic resonance noncontrast thrombus imaging (MR-NCTI) for the diagnosis of UEDVT. METHODS In this international multicenter diagnostic study, we prospectively included patients with clinically suspected UEDVT who were managed according to a diagnostic algorithm that included a clinical decision rule (CDR), D-dimer test, and diagnostic imaging. UEDVT was confirmed by CUS or (computed tomography [CT]) venography. UEDVT was excluded by (1) an unlikely CDR and normal D-dimer, (2) a normal serial CUS or (3) a normal (CT) venography. Within 48 h after the final diagnosis was established, patients underwent MR-NCTI. MR-NCTI images were assessed post hoc by two independent radiologists unaware of the presence or absence of UEDVT. The sensitivity, specificity, and interobserver agreement of MR-NCTI for UEDVT were determined. RESULTS Magnetic resonance noncontrast thrombus imaging demonstrated UEDVT in 28 of 30 patients with UEDVT and was normal in all 30 patients where UEDVT was ruled out, yielding a sensitivity of 93% (95% CI 78-99) and specificity of 100% (95% CI 88-100). The interobserver agreement of MR-NCTI had a kappa value of 0.83 (95% CI 0.69-0.97). CONCLUSIONS Magnetic resonance noncontrast thrombus imaging is an accurate and reproducible method for diagnosing UEDVT. Clinical outcome studies should determine whether MR-NCTI can replace venography as the second-line imaging test in case of inconclusive CUS.
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Affiliation(s)
- Lisette F. van Dam
- Department of Thrombosis and HemostasisLeiden University Medical CenterLeidenThe Netherlands
| | - Charlotte E. A. Dronkers
- Department of Thrombosis and HemostasisLeiden University Medical CenterLeidenThe Netherlands
- Department of Internal MedicineHaaglanden Medical CenterThe HagueThe Netherlands
| | - Gargi Gautam
- Department of Clinical SciencesKarolinska InstituteDanderyd HospitalStockholmSweden
| | - Åsa Eckerbom
- Department of Clinical SciencesKarolinska InstituteDanderyd HospitalStockholmSweden
| | - Waleed Ghanima
- Internal Medicine ClinicØstfold Hospital TrustØstfoldNorway
- Department of HaematologyOslo University Hospital and Institute of Clinical MedicineUniversity of OsloOsloNorway
| | | | - Guido R. van Haren
- Department of RadiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Anders von Heijne
- Department of Clinical SciencesKarolinska InstituteDanderyd HospitalStockholmSweden
| | - Menno V. Huisman
- Department of Thrombosis and HemostasisLeiden University Medical CenterLeidenThe Netherlands
| | - J. Lauran Stöger
- Department of RadiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Eli Westerlund
- Department of Clinical SciencesKarolinska InstituteDanderyd HospitalStockholmSweden
| | - Lucia J. M. Kroft
- Department of RadiologyLeiden University Medical CenterLeidenThe Netherlands
| | - Frederikus A. Klok
- Department of Thrombosis and HemostasisLeiden University Medical CenterLeidenThe Netherlands
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21
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Weisel JW, Litvinov RI. Visualizing thrombosis to improve thrombus resolution. Res Pract Thromb Haemost 2021; 5:38-50. [PMID: 33537528 PMCID: PMC7845077 DOI: 10.1002/rth2.12469] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/05/2020] [Accepted: 11/15/2020] [Indexed: 12/12/2022] Open
Abstract
The severity, course, and outcomes of thrombosis are determined mainly by the size and location of the thrombus, but studying thrombus structure and composition has been an important but challenging task. The substantial progress in determination of thrombus morphology has become possible due to new intravital imaging methodologies in combination with mechanical thrombectomy, which allows extraction of a fresh thrombus from a patient followed by microscopy. Thrombi have been found to contain various structural forms of fibrin along with platelet aggregates, leukocytes, and red blood cells, many of which acquire a polyhedral shape (polyhedrocytes) as a result of intravital platelet-driven contraction. The relative volume fractions of thrombus components and their structural forms vary substantially, depending on the clinical and pathogenic characteristics. This review summarizes recent research that describes quantitative and qualitative morphologic characteristics of arterial and venous thrombi that are relevant for the pathogenesis, prophylaxis, diagnosis, and treatment of thrombosis.
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Affiliation(s)
- John W. Weisel
- Department of Cell and Developmental BiologyUniversity of Pennsylvania Perelman School of MedicinePhiladelphiaPAUSA
| | - Rustem I. Litvinov
- Department of Cell and Developmental BiologyUniversity of Pennsylvania Perelman School of MedicinePhiladelphiaPAUSA
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22
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Kakkos SK, Gohel M, Baekgaard N, Bauersachs R, Bellmunt-Montoya S, Black SA, Ten Cate-Hoek AJ, Elalamy I, Enzmann FK, Geroulakos G, Gottsäter A, Hunt BJ, Mansilha A, Nicolaides AN, Sandset PM, Stansby G, Esvs Guidelines Committee, de Borst GJ, Bastos Gonçalves F, Chakfé N, Hinchliffe R, Kolh P, Koncar I, Lindholt JS, Tulamo R, Twine CP, Vermassen F, Wanhainen A, Document Reviewers, De Maeseneer MG, Comerota AJ, Gloviczki P, Kruip MJHA, Monreal M, Prandoni P, Vega de Ceniga M. Editor's Choice - European Society for Vascular Surgery (ESVS) 2021 Clinical Practice Guidelines on the Management of Venous Thrombosis. Eur J Vasc Endovasc Surg 2020; 61:9-82. [PMID: 33334670 DOI: 10.1016/j.ejvs.2020.09.023] [Citation(s) in RCA: 279] [Impact Index Per Article: 69.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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23
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Fu Q, Cheng Q, Kong X, Ma H, Lei Z. Diagnostic accuracy of true fast imaging with steady-state precession, MR pulmonary angiography and volume-interpolated body examination for pulmonary embolism compared with CT pulmonary angiography. Exp Ther Med 2020; 21:42. [PMID: 33273972 PMCID: PMC7706389 DOI: 10.3892/etm.2020.9474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 09/11/2020] [Indexed: 11/06/2022] Open
Abstract
The diagnostic performance of magnetic resonance (MR) sequences for displaying different levels of pulmonary artery involvement in pulmonary embolism (PE) has rarely been reported but is essential for critically ill and emergency patients. The aim of the present study was to analyze the diagnostic accuracy of true fast imaging with steady-state precession (true FISP), MR pulmonary angiography (MRPA) and volume-interpolated body examination (VIBE) for PE detection in comparison to CT pulmonary angiography (CTPA), which is the reference standard. A total of 21 patients with confirmed deep venous thrombosis suspected of having PE were enrolled. Emboli were evaluated on per-patient and per-vessel bases. The evidence of PE on a per-vessel basis was classified into central, lobar and segmental levels, and 27 vessel segments per patient were analyzed for a total of 567 vessel segments in all patients. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) were calculated. Receiver operating characteristic curves were drawn to compare differences in sequences. A total of 158 pulmonary vessels were involved with emboli on CTPA, 58 of which were identified by true FISP, 63 by MRPA and 94 by VIBE. On per-patient and per-vessel bases, the sensitivity was 81.3 and 36.7%, respectively, for true FISP, 82.4 and 56.3%, respectively, for MRPA, and 94.4 and 68.1%, respectively, for VIBE; the specificity was 80.0 and 99.8%, respectively, for true FISP, 100 and 99.2%, respectively, for MRPA, and 100 and 99.2%, respectively, for VIBE. The respective PPV was 92.9 and 98.3% for true FISP, 100 and 95.5% for MRPA, 100 and 96.9% for VIBE. The NPV was 57.1 and 80.3%, respectively, for true FISP, 50.0 and 88.2%, respectively, for MRPA, and 75.0 and 89.8%, respectively, for VIBE. In conclusion, enhanced VIBE surpassed the other two sequences in revealing PE, particularly in segmental analysis, which is essential for emergency patients who have contraindications for receiving iodinated contrast and those who have concerns about the ionizing radiation.
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Affiliation(s)
- Qing Fu
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, P.R. China
| | - Qiguang Cheng
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, P.R. China
| | - Xiangchuang Kong
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, P.R. China
| | - Hui Ma
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, P.R. China
| | - Ziqiao Lei
- Department of Radiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430022, P.R. China.,Hubei Province Key Laboratory of Molecular Imaging, Wuhan, Hubei 430022, P.R. China
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24
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Magnetic resonance imaging for diagnosis of recurrent ipsilateral deep vein thrombosis. Blood 2020; 135:1377-1385. [PMID: 32016390 DOI: 10.1182/blood.2019004114] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 01/13/2020] [Indexed: 01/01/2023] Open
Abstract
The diagnosis of recurrent ipsilateral deep vein thrombosis (DVT) is challenging, because persistent intravascular abnormalities after previous DVT often hinder a diagnosis by compression ultrasonography. Magnetic resonance direct thrombus imaging (MRDTI), a technique without intravenous contrast and with a 10-minute acquisition time, has been shown to accurately distinguish acute recurrent DVT from chronic thrombotic remains. We have evaluated the safety of MRDTI as the sole test for excluding recurrent ipsilateral DVT. The Theia Study was a prospective, international, multicenter, diagnostic management study involving patients with clinically suspected acute recurrent ipsilateral DVT. Treatment of the patients was managed according to the result of the MRDTI, performed within 24 hours of study inclusion. The primary outcome was the 3-month incidence of venous thromboembolism (VTE) after a MRDTI negative for DVT. The secondary outcome was the interobserver agreement on the MRDTI readings. An independent committee adjudicated all end points. Three hundred five patients were included. The baseline prevalence of recurrent DVT was 38%; superficial thrombophlebitis was diagnosed in 4.6%. The primary outcome occurred in 2 of 119 (1.7%; 95% confidence interval [CI], 0.20-5.9) patients with MRDTI negative for DVT and thrombophlebitis, who were not treated with any anticoagulant during follow-up; neither of these recurrences was fatal. The incidence of recurrent VTE in all patients with MRDTI negative for DVT was 1.1% (95% CI, 0.13%-3.8%). The agreement between initial local and post hoc central reading of the MRDTI images was excellent (κ statistic, 0.91). The incidence of VTE recurrence after negative MRDTI was low, and MRDTI proved to be a feasible and reproducible diagnostic test. This trial was registered at www.clinicaltrials.gov as #NCT02262052.
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25
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Mattox R, Trager RJ, Kettner NW. Effort Thrombosis in 2 Athletes Suspected of Musculoskeletal Injury. J Chiropr Med 2020; 18:213-218. [PMID: 32874161 DOI: 10.1016/j.jcm.2019.01.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 11/22/2018] [Accepted: 01/16/2019] [Indexed: 11/24/2022] Open
Abstract
Objective This case series describes the clinical presentation of effort thrombosis and the utility of sonography in its diagnosis. Clinical Features Two young male athletes presented to separate chiropractic clinics with suspected musculoskeletal shoulder injury. The first complained of dull shoulder pain after pitching in a baseball game and had no other signs or symptoms. The second presented after performing a weighted plank exercise and had prominent edema and discoloration of the affected extremity. Intervention and Outcome In the first patient, who had no physical signs to suggest thrombosis, a normal sonographic musculoskeletal shoulder exam prompted imaging in the abduction-external rotation position. This provided visualization of a thrombus in the axillosubclavian vein. Emergent referral followed, and treatment was initiated with thrombolysis and surgery, which resolved his condition. The second patient had physical signs consistent with effort thrombosis and was also referred to the emergency department, where sonography was performed and revealed thrombosis of the axillary and basilic veins. He responded to anticoagulants and thrombolysis and avoided surgery. Conclusion Effort thrombosis has a variable presentation that can mimic common musculoskeletal disorders and has a poorly defined diagnostic pathway. Acute shoulder pain in an athlete, especially with extremity edema after repetitive exertion, warrants urgent imaging such as sonography and emergent referral. Clinicians should understand the importance of a timely evaluation and diagnosis of effort thrombosis and that imaging may include sonography as a first-line imaging tool.
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Affiliation(s)
- Ross Mattox
- Department of Radiology, Logan University, Chesterfield, Missouri
| | | | - Norman W Kettner
- Department of Radiology, Logan University, Chesterfield, Missouri
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26
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Know your history. Thromb Res 2019; 182:192-193. [DOI: 10.1016/j.thromres.2019.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 07/16/2019] [Accepted: 07/21/2019] [Indexed: 11/19/2022]
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27
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Dronkers CEA, Klok FA, van Langevelde K, Šrámek A, van Haren GR, Huisman MV, de Roos A, Kroft LJM. Diagnosing Recurrent DVT of the Leg by Two Different Non-Contrast-Enhanced Magnetic Resonance Direct Thrombus Imaging Techniques: A Pilot Study. TH OPEN 2019; 3:e37-e44. [PMID: 31249980 PMCID: PMC6524903 DOI: 10.1055/s-0039-1678683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 01/02/2019] [Indexed: 11/12/2022] Open
Abstract
Introduction
Magnetic resonance direct thrombus imaging (MRDTI) is a promising technique to improve the diagnostic management of patients with a suspected ipsilateral recurrent deep vein thrombosis (DVT) by direct visualization of a thrombus. Another magnetic resonance imaging (MRI) technique, T1-weighted turbo spin-echo spectral attenuated inversion recovery (TSE-SPAIR), has the potential to image a thrombus directly with a high spatial resolution as well. The main aim of this pilot study was to investigate if adding the TSE-SPAIR sequence to an MRDTI sequence performed in patients with suspected recurrent DVT may increase the diagnostic confidence of expert MRDTI readers.
Methods
Fifteen patients with suspected acute recurrent DVT were included in this study. The TSE-SPAIR sequence was scanned directly after the MRDTI scan but not used to guide clinical decision making, and both scans were adjudicated post hoc two times separately by three independent expert MRDTI readers. Diagnostic confidence was scored on a 4-point Likert scale: (1) poor (definite diagnosis impossible), (2) fair (evaluation of major findings possible), (3) good (definite diagnosis possible), and (4) excellent (exact diagnosis possible).
Results
The diagnostic confidence of expert readers increased when adding the TSE-SPAIR sequence on top of the MRDTI sequence from “good” (median, 3.0; interquartile range [IQR], 2.66–3.0) to “excellent” (median, 3.67; IQR 3.33–3.67;
p
= 0.001). Evaluation of the scans in the reversed order 5 months after initial reading showed similar results. Diagnostic accuracy for proximal DVT of both scan techniques was good.
Conclusion
The extra TSE-SPAIR sequence may help increase diagnostic confidence of radiologists in cases of uncertain diagnosis in patients with suspected ipsilateral recurrent DVT.
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Affiliation(s)
- Charlotte E A Dronkers
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Frederikus A Klok
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Kirsten van Langevelde
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands.,Department of Radiology, HAGA Teaching Hospital, The Hague, The Netherlands
| | - Alexandr Šrámek
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Guido R van Haren
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Menno V Huisman
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - Albert de Roos
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Lucia J M Kroft
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
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28
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Huang Y, Kellnberger S, Sergiadis G, Ntziachristos V. Blood vessel imaging using radiofrequency-induced second harmonic acoustic response. Sci Rep 2018; 8:15522. [PMID: 30341349 PMCID: PMC6195590 DOI: 10.1038/s41598-018-33732-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/02/2018] [Indexed: 12/14/2022] Open
Abstract
We introduce a contrast mechanism for visualizing blood vessels based on radiofrequency-induced second harmonic acoustic (RISHA) signals sensing blood conductivity. We develop a novel imaging system using commonly available inexpensive components, and demonstrate in vivo RISHA visualization of blood vessels based on low-power quasi-continuous radiofrequency excitation of tissue at frequencies of a few MHz. We show how the novel approach also implicitly enables radiofrequency-induced passive ultrasound imaging and can be readily applied to non-invasive imaging of blood vessels ex vivo and in vivo. We discuss the implications of non-invasive conductivity measurements in the context of biomedical applications.
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Affiliation(s)
- Yuanhui Huang
- Helmholtz Zentrum München, Institute for Biological and Medical Imaging (IBMI), Neuherberg, D-85764, Germany.,Technische Universität München, Chair for Biological Imaging, München, D-81675, Germany
| | - Stephan Kellnberger
- Helmholtz Zentrum München, Institute for Biological and Medical Imaging (IBMI), Neuherberg, D-85764, Germany. .,Technische Universität München, Chair for Biological Imaging, München, D-81675, Germany. .,Cardiovascular Research Center, Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, 02114, USA.
| | - George Sergiadis
- Helmholtz Zentrum München, Institute for Biological and Medical Imaging (IBMI), Neuherberg, D-85764, Germany.,Aristotle University of Thessaloniki, School of Electrical and Computer Engineering, Thessaloniki, 54124, Greece.,Chinese Academy of Sciences, Suzhou Institute of Biomedical Engineering and Technology, Suzhou, 215163, China
| | - Vasilis Ntziachristos
- Helmholtz Zentrum München, Institute for Biological and Medical Imaging (IBMI), Neuherberg, D-85764, Germany. .,Technische Universität München, Chair for Biological Imaging, München, D-81675, Germany.
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29
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Abstract
Pulmonary embolism (PE) is caused by emboli, which have originated from venous thrombi, travelling to and occluding the arteries of the lung. PE is the most dangerous form of venous thromboembolism, and undiagnosed or untreated PE can be fatal. Acute PE is associated with right ventricular dysfunction, which can lead to arrhythmia, haemodynamic collapse and shock. Furthermore, individuals who survive PE can develop post-PE syndrome, which is characterized by chronic thrombotic remains in the pulmonary arteries, persistent right ventricular dysfunction, decreased quality of life and/or chronic functional limitations. Several important improvements have been made in the diagnostic and therapeutic management of acute PE in recent years, such as the introduction of a simplified diagnostic algorithm for suspected PE as well as phase III trials demonstrating the value of direct oral anticoagulants in acute and extended treatment of venous thromboembolism. Future research should aim to address novel treatment options (for example, fibrinolysis enhancers) and improved methods for predicting long-term complications and defining optimal anticoagulant therapy parameters in individual patients, and to gain a greater understanding of post-PE syndrome.
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30
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Lee JE, Jung DH, Yang JM, Lee WK, Jeon Y, Kim SO. Comparison of the incidence of venous thromboembolism between epidural and general anesthesia for total knee arthroplasty: a retrospective study. Anesth Pain Med (Seoul) 2018. [DOI: 10.17085/apm.2018.13.2.214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Affiliation(s)
- Jeong Eun Lee
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Dong-ho Jung
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Jae-Min Yang
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Won Kee Lee
- Medical Research Collabration Center in KNUH, School of Medicine, Kyungpook National University, Daegu, Korea
| | - Younghoon Jeon
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
- School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Si-Oh Kim
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
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31
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Barco S, Konstantinides S, Huisman MV, Klok FA. Diagnosis of recurrent venous thromboembolism. Thromb Res 2018; 163:229-235. [DOI: 10.1016/j.thromres.2017.05.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 05/11/2017] [Accepted: 05/25/2017] [Indexed: 12/19/2022]
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32
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Dronkers CEA, Klok FA, van Haren GR, Gleditsch J, Westerlund E, Huisman MV, Kroft LJM. Diagnosing upper extremity deep vein thrombosis with non-contrast-enhanced Magnetic Resonance Direct Thrombus Imaging: A pilot study. Thromb Res 2018; 163:47-50. [PMID: 29353683 DOI: 10.1016/j.thromres.2018.01.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 01/07/2018] [Accepted: 01/08/2018] [Indexed: 11/18/2022]
Abstract
Diagnosing upper extremity deep vein thrombosis (UEDVT) can be challenging. Compression ultrasonography is often inconclusive because of overlying anatomic structures that hamper compressing veins. Contrast venography is invasive and has a risk of contrast allergy. Magnetic Resonance Direct Thrombus Imaging (MRDTI) and Three Dimensional Turbo Spin-echo Spectral Attenuated Inversion Recovery (3D TSE-SPAIR) are both non-contrast-enhanced Magnetic Resonance Imaging (MRI) sequences that can visualize a thrombus directly by the visualization of methemoglobin, which is formed in a fresh blood clot. MRDTI has been proven to be accurate in diagnosing deep venous thrombosis (DVT) of the leg. The primary aim of this pilot study was to test the feasibility of diagnosing UEDVT with these MRI techniques. MRDTI and 3D TSE-SPAIR were performed in 3 pilot patients who were already diagnosed with UEDVT by ultrasonography or contrast venography. In all patients, UEDVT diagnosis could be confirmed by MRDTI and 3D TSE-SPAIR in all vein segments. In conclusion, this study showed that non-contrast MRDTI and 3D TSE-SPAIR sequences may be feasible tests to diagnose UEDVT. However diagnostic accuracy and management studies have to be performed before these techniques can be routinely used in clinical practice.
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Affiliation(s)
- C E A Dronkers
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands.
| | - F A Klok
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - G R van Haren
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - J Gleditsch
- Department of Radiology, Ostfold Hospital Trust, Ostfold, Norway
| | - E Westerlund
- Department of Clinical Sciences, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
| | - M V Huisman
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | - L J M Kroft
- Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
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33
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Dronkers CEA, Ende-Verhaar YM, Kyrle PA, Righini M, Cannegieter SC, Huisman MV, Klok FA. Disease prevalence dependent failure rate in diagnostic management studies on suspected deep vein thrombosis: communication from the SSC of the ISTH. J Thromb Haemost 2017; 15:2270-2273. [PMID: 28922557 DOI: 10.1111/jth.13805] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Indexed: 11/26/2022]
Affiliation(s)
- C E A Dronkers
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Y M Ende-Verhaar
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - P A Kyrle
- Department of Medicine I, General Hospital Vienna, Vienna, Austria
| | - M Righini
- Division of Angiology and Hemostasis, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - S C Cannegieter
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
- Department of Clinical Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
| | - M V Huisman
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - F A Klok
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
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34
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Abstract
The development of new methods to image the onset and progression of thrombosis is an unmet need. Non-invasive molecular imaging techniques targeting specific key structures involved in the formation of thrombosis have demonstrated the ability to detect thrombus in different disease state models and in patients. Due to its high concentration in the thrombus and its essential role in thrombus formation, the detection of fibrin is an attractive strategy for identification of thrombosis. Herein we provide an overview of recent and selected fibrin-targeted probes for molecular imaging of thrombosis by magnetic resonance imaging (MRI), positron emission tomography (PET), single photon emission computed tomography (SPECT), and optical techniques. Emphasis is placed on work that our lab has explored over the last 15 years that has resulted in the progression of the fibrin-binding PET probe [64Cu]FBP8 from preclinical studies into human trials.
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Affiliation(s)
- Bruno L Oliveira
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, UK.
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Tanizawa Y, Bando E, Kawamura T, Tokunaga M, Makuuchi R, Iida K, Nanri K, Yoneyama M, Terashima M. Prevalence of deep venous thrombosis detected by ultrasonography before surgery in patients with gastric cancer: a retrospective study of 1140 consecutive patients. Gastric Cancer 2017; 20:878-886. [PMID: 27987041 DOI: 10.1007/s10120-016-0677-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 11/29/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND The prevalence of deep venous thrombosis (DVT) in patients with gastric cancer before surgery is unknown. This study aimed to clarify the risk factors for DVT of the lower extremities in patients with gastric cancer before surgery and to evaluate the usefulness of ultrasonographic screening for prevention of postoperative pulmonary thromboembolism (PTE). METHODS Patients who had undergone lower-extremity venous ultrasonography before surgery for gastric cancer were retrospectively analyzed. Univariate and multivariate logistic regression analyses were performed to identify the predictors of DVT before surgery. Perioperative management of patients with DVTs and the incidence of postoperative PTE were investigated. RESULTS Of the total 1140 patients, 86 had DVT preoperatively. On univariate analysis, the incidence of DVT was significantly higher with: female sex; age ≥80 years; PS ≥ 1 (vs. PS = 0); stage IV (vs. stages I-III); history of preoperative chemotherapy; and the presence of a central venous catheter (CVC). Multivariate logistic regression analysis demonstrated that sex, age ≥80 years, PS ≥ 1, history of preoperative chemotherapy, and the presence of CVC were significantly correlated with DVT before surgery. Postoperative PTE occurred in 2 patients with proximal DVT. No patients in whom DVT was not detected developed PTE. CONCLUSIONS Female sex, older age, worse PS, the presence of CVC, and a history of preoperative chemotherapy were the independent risk factors for DVT. Routine lower-extremity venous ultrasonographic screening is useful for prevention of PTE because it can identify patients at high or low risk for PTE.
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Affiliation(s)
- Yutaka Tanizawa
- Division of Gastric Surgery, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan
| | - Etsuro Bando
- Division of Gastric Surgery, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan
| | - Taiichi Kawamura
- Division of Gastric Surgery, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan
| | - Masanori Tokunaga
- Division of Gastric Surgery, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan
| | - Rie Makuuchi
- Division of Gastric Surgery, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan
| | - Kei Iida
- Division of Cardiology, Shizuoka Cancer Center, Shizuoka, Japan
| | - Kazuhide Nanri
- Division of Physiological Examination, Shizuoka Cancer Center, Shizuoka, Japan
| | - Masashi Yoneyama
- Division of Physiological Examination, Shizuoka Cancer Center, Shizuoka, Japan
| | - Masanori Terashima
- Division of Gastric Surgery, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-cho, Sunto-gun, Shizuoka, 411-8777, Japan.
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36
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Diagnosis of Deep Venous Thrombosis at the Point-of-Care. CURRENT PULMONOLOGY REPORTS 2017. [DOI: 10.1007/s13665-017-0184-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Wang T, Yuan C, Dai B, Liu Y, Li M, Feng Z, Jiang Q, Xu Z, Zhao N, Gu N, Yang F. Click-Chemistry-Mediated Rapid Microbubble Capture for Acute Thrombus Ultrasound Molecular Imaging. Chembiochem 2017; 18:1364-1368. [PMID: 28426149 DOI: 10.1002/cbic.201700068] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Tuantuan Wang
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
| | - Chuxiao Yuan
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
| | - Bingyang Dai
- Department of Sports Medicine and Adult Reconstructive Surgery; Drum Tower Hospital; School of Medical; Nanjing University; Zhongshan Road 321 Nanjing Jiangsu 210008 China
| | - Yang Liu
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
| | - Mingxi Li
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
| | - Zhenqiang Feng
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
| | - Qing Jiang
- Department of Sports Medicine and Adult Reconstructive Surgery; Drum Tower Hospital; School of Medical; Nanjing University; Zhongshan Road 321 Nanjing Jiangsu 210008 China
| | - Zhihong Xu
- Department of Sports Medicine and Adult Reconstructive Surgery; Drum Tower Hospital; School of Medical; Nanjing University; Zhongshan Road 321 Nanjing Jiangsu 210008 China
| | - Ningwei Zhao
- Shimadzu Biomedical Research Laboratory; West Huaihai Road 570 Shanghai 200052 China
| | - Ning Gu
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
| | - Fang Yang
- State Key Laboratory of Bioelectronics; Jiangsu Key Laboratory for Biomaterials and Devices; School of Biological Sciences and Medical Engineering; Southeast University; Sipailou 2 Nanjing Jiangsu 210009 China
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Rabinovich A, Kahn SR. The postthrombotic syndrome: current evidence and future challenges. J Thromb Haemost 2017; 15:230-241. [PMID: 27860129 DOI: 10.1111/jth.13569] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Indexed: 01/18/2023]
Abstract
Postthrombotic syndrome (PTS) is a chronic complication of deep vein thrombosis (DVT) that develops in 20-50% of patients. PTS manifests as a spectrum of symptoms and signs of chronic venous insufficiency that can impose significant morbidity and have a negative impact on quality of life. Chronic venous hypertension caused by a combination of residual venous obstruction and valvular reflux is believed to play a major role in the pathophysiology of PTS. The Villalta scale is the most widely applied clinical scale used to diagnose and define PTS. Proximal DVT and recurrent ipsilateral DVT are the two principal established risk factors for PTS, and efforts in recent years have been focused on identifying a combination of clinical and biomarker predictors that will define high-risk patients and possibly new therapeutic targets. The best way to prevent PTS is to prevent the occurrence of DVT, and to provide optimal anticoagulation for the acute phase of DVT once it occurs. Recent years have brought progress in our understanding of the role of endovascular techniques in the prevention and treatment of PTS and the subgroups of patients that may benefit from these modalities. Pharmacomechanical catheter-directed thrombolysis is the most promising interventional modality for prevention of PTS. This review summarizes the current state of evidence on PTS of the lower limbs, and highlights areas where uncertainty still exists that require further research.
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Affiliation(s)
- A Rabinovich
- Thrombosis and Hemostasis Unit, Hematology Institute, Soroka University Medical Center, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel
| | - S R Kahn
- Center for Clinical Epidemiology, Jewish General Hospital, McGill University, Montreal, Canada
- Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Canada
- Division of Internal Medicine and Department of Medicine, McGill University, Montreal, Canada
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Unenhanced and Contrast-Enhanced MR Angiography and Perfusion Imaging for Suspected Pulmonary Thromboembolism. AJR Am J Roentgenol 2017; 208:517-530. [PMID: 28075625 DOI: 10.2214/ajr.16.17415] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE This article discusses the basics of unenhanced MR angiography (MRA) and MR venography (MRV), time-resolved contrast-enhanced (CE) MRA and dynamic first-pass CE perfusion MRI, and unenhanced and CE MRV, in addition to assessing the clinical relevance of these techniques for evaluating patients with suspected pulmonary thromboembolism and deep venous thrombosis. CONCLUSION Since the 1990s, the efficacy of MRA or MRV and dynamic perfusion MRI for patients with suspected pulmonary thromboembolism and deep venous thrombosis has been evaluated. On the basis of the results of single-center trials, comprehensive MRI protocols, including pulmonary unenhanced and CE MRA, perfusion MRI, and MRV, promise to be safe and time effective for assessing patients with suspected pulmonary thromboembolism, although future multicenter trials are required to assess the real clinical value of MRI.
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40
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Prominent cerebral veins on susceptibility-weighted imaging (SWI) in pulmonary embolism. Eur Radiol 2016; 27:3004-3012. [DOI: 10.1007/s00330-016-4606-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2016] [Revised: 09/03/2016] [Accepted: 09/07/2016] [Indexed: 01/28/2023]
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