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  1. Article ; Online: David, Brutus, and Caracalla-A Sculptural Chronology of Anatomical Observation.

    Breakey, Neal

    JAMA cardiology

    2020  Volume 5, Issue 10, Page(s) 1200

    MeSH term(s) Humans ; Sculpture
    Language English
    Publishing date 2020-09-15
    Publishing country United States
    Document type Letter ; Comment
    ISSN 2380-6591
    ISSN (online) 2380-6591
    DOI 10.1001/jamacardio.2020.2852
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  2. Article ; Online: D-dimer and mortality in COVID-19: a self-fulfilling prophecy or a pathophysiological clue?

    Breakey, Neal / Escher, Robert

    Swiss medical weekly

    2020  Volume 150, Page(s) w20293

    Abstract: The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a global phenomenon has presented clinicians around the world with multiple challenges. Thromboembolic events are recognised complications of viral infection, but the ... ...

    Abstract The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a global phenomenon has presented clinicians around the world with multiple challenges. Thromboembolic events are recognised complications of viral infection, but the diagnosis of an acute pulmonary thrombotic complication in the context of coronavirus disease 2019 (COVID-19) can be challenging because of the similarities of presentation, logistical considerations of diagnosis in a patient isolated for infection control reasons and the effects of cognitive errors in diagnostic reasoning. We present the case of a patient who was diagnosed with a pulmonary thrombotic complication during inpatient care for COVID-19. The haemostasis parameters we observed, including increased levels of von Willebrand factor and factor VIII, point towards a relevant involvement of endothelial cells in patients with severe COVID-19. We suggest that it is possible to hypothesise a spectrum of secondarily acquired, prothrombotic coagulopathy mediated by the endothelial interaction with SARS-CoV-2 as a cause of mortality in a subset of patients with a complicated clinical course of COVID-19. We support the recommendation of thromboembolic chemoprophylaxis for inpatients with COVID-19 as a very minimum in the absence of strict contraindications, while recognising that pulmonary thrombotic complications can occur under standard thromboprophylaxis. We suggest that higher, possibly therapeutic levels of anticoagulation might be mandatory for a further subset of patients with COVID-19 where a discrepant evolution of C-reactive protein and D-dimer is observed. Therapeutic levels of anticoagulation are obligatory where new evidence of a macrovascular thrombotic complication has been documented. More research to delineate the macro- and microvascular thrombotic complications of COVID-19, and the therapeutic implications for this patient group is required.
    MeSH term(s) Betacoronavirus ; COVID-19 ; Coronavirus Infections/blood ; Coronavirus Infections/complications ; Coronavirus Infections/mortality ; Coronavirus Infections/physiopathology ; Fibrin Fibrinogen Degradation Products/metabolism ; Humans ; Male ; Middle Aged ; Pandemics ; Pneumonia, Viral/blood ; Pneumonia, Viral/complications ; Pneumonia, Viral/mortality ; Pneumonia, Viral/physiopathology ; Pulmonary Embolism/mortality ; Pulmonary Embolism/physiopathology ; Pulmonary Embolism/therapy ; Pulmonary Embolism/virology ; SARS-CoV-2
    Chemical Substances Fibrin Fibrinogen Degradation Products ; fibrin fragment D
    Keywords covid19
    Language English
    Publishing date 2020-05-26
    Publishing country Switzerland
    Document type Case Reports ; Journal Article
    ZDB-ID 2036179-8
    ISSN 1424-3997 ; 1424-7860
    ISSN (online) 1424-3997
    ISSN 1424-7860
    DOI 10.4414/smw.2020.20293
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    Ua VI Zs.152: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  3. Article ; Online: Severe COVID-19 infection associated with endothelial activation.

    Escher, Robert / Breakey, Neal / Lämmle, Bernhard

    Thrombosis research

    2020  Volume 190, Page(s) 62

    MeSH term(s) Aged ; Antibodies, Antiphospholipid/blood ; Anticoagulants/therapeutic use ; Betacoronavirus/isolation & purification ; Blood Coagulation/drug effects ; COVID-19 ; Coronavirus Infections/blood ; Coronavirus Infections/complications ; Coronavirus Infections/pathology ; Coronavirus Infections/therapy ; Dalteparin/therapeutic use ; Endothelium/drug effects ; Endothelium/pathology ; Factor VIII/analysis ; Fibrin Fibrinogen Degradation Products/analysis ; Heparin/therapeutic use ; Humans ; Immunoglobulin M/blood ; Intensive Care Units ; Male ; Pandemics ; Pneumonia, Viral/blood ; Pneumonia, Viral/complications ; Pneumonia, Viral/pathology ; Pneumonia, Viral/therapy ; SARS-CoV-2 ; von Willebrand Factor/analysis
    Chemical Substances Antibodies, Antiphospholipid ; Anticoagulants ; Fibrin Fibrinogen Degradation Products ; Immunoglobulin M ; fibrin fragment D ; von Willebrand Factor ; Factor VIII (9001-27-8) ; Heparin (9005-49-6) ; Dalteparin (S79O08V79F)
    Keywords covid19
    Language English
    Publishing date 2020-04-15
    Publishing country United States
    Document type Case Reports ; Letter
    ZDB-ID 121852-9
    ISSN 1879-2472 ; 0049-3848
    ISSN (online) 1879-2472
    ISSN 0049-3848
    DOI 10.1016/j.thromres.2020.04.014
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 863: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  4. Article: D-dimer and mortality in COVID-19: a self-fulfilling prophecy or a pathophysiological clue?

    Breakey, Neal / Escher, Robert

    Swiss Med Wkly

    Abstract: The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a global phenomenon has presented clinicians around the world with multiple challenges. Thromboembolic events are recognised complications of viral infection, but the ... ...

    Abstract The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) as a global phenomenon has presented clinicians around the world with multiple challenges. Thromboembolic events are recognised complications of viral infection, but the diagnosis of an acute pulmonary thrombotic complication in the context of coronavirus disease 2019 (COVID-19) can be challenging because of the similarities of presentation, logistical considerations of diagnosis in a patient isolated for infection control reasons and the effects of cognitive errors in diagnostic reasoning. We present the case of a patient who was diagnosed with a pulmonary thrombotic complication during inpatient care for COVID-19. The haemostasis parameters we observed, including increased levels of von Willebrand factor and factor VIII, point towards a relevant involvement of endothelial cells in patients with severe COVID-19. We suggest that it is possible to hypothesise a spectrum of secondarily acquired, prothrombotic coagulopathy mediated by the endothelial interaction with SARS-CoV-2 as a cause of mortality in a subset of patients with a complicated clinical course of COVID-19. We support the recommendation of thromboembolic chemoprophylaxis for inpatients with COVID-19 as a very minimum in the absence of strict contraindications, while recognising that pulmonary thrombotic complications can occur under standard thromboprophylaxis. We suggest that higher, possibly therapeutic levels of anticoagulation might be mandatory for a further subset of patients with COVID-19 where a discrepant evolution of C-reactive protein and D-dimer is observed. Therapeutic levels of anticoagulation are obligatory where new evidence of a macrovascular thrombotic complication has been documented. More research to delineate the macro- and microvascular thrombotic complications of COVID-19, and the therapeutic implications for this patient group is required.
    Keywords covid19
    Publisher WHO
    Document type Article
    Note WHO #Covidence: #381831
    Database COVID19

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  5. Article ; Online: D-dimer and mortality in COVID-19

    Breakey, Neal / Escher, Robert

    Swiss Medical Weekly ; ISSN 1424-3997

    a self-fulfilling prophecy or a pathophysiological clue?

    2020  

    Keywords General Medicine ; covid19
    Language English
    Publisher EMH Swiss Medical Publishers, Ltd.
    Publishing country ch
    Document type Article ; Online
    DOI 10.4414/smw.2020.20293
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Is language an issue? Accuracy of the German computerized diagnostic decision support system ISABEL and cross-validation with the English counterpart.

    Marcin, Thimo / Lüthi, Ailin / Graf, Ronny R / Krummrey, Gert / Schauber, Stefan K / Breakey, Neal / Hautz, Wolf E / Hautz, Stefanie C

    Diagnosis (Berlin, Germany)

    2023  Volume 10, Issue 4, Page(s) 398–405

    Abstract: Objectives: Existing computerized diagnostic decision support tools (CDDS) accurately return possible differential diagnoses (DDx) based on the clinical information provided. The German versions of the CDDS tools for clinicians (Isabel Pro) and patients ...

    Abstract Objectives: Existing computerized diagnostic decision support tools (CDDS) accurately return possible differential diagnoses (DDx) based on the clinical information provided. The German versions of the CDDS tools for clinicians (Isabel Pro) and patients (Isabel Symptom Checker) from ISABEL Healthcare have not been validated yet.
    Methods: We entered clinical features of 50 patient vignettes taken from an emergency medical text book and 50 real cases with a confirmed diagnosis derived from the electronic health record (EHR) of a large academic Swiss emergency room into the German versions of Isabel Pro and Isabel Symptom Checker. We analysed the proportion of DDx lists that included the correct diagnosis.
    Results: Isabel Pro and Symptom Checker provided the correct diagnosis in 82 and 71 % of the cases, respectively. Overall, the correct diagnosis was ranked in 71 , 61 and 37 % of the cases within the top 20, 10 and 3 of the provided DDx when using Isabel Pro. In general, accuracy was higher with vignettes than ED cases, i.e. listed the correct diagnosis more often (non-significant) and ranked the diagnosis significantly more often within the top 20, 10 and 3. On average, 38 ± 4.5 DDx were provided by Isabel Pro and Symptom Checker.
    Conclusions: The German versions of Isabel achieved a somewhat lower accuracy compared to previous studies of the English version. The accuracy decreases substantially when the position in the suggested DDx list is taken into account. Whether Isabel Pro is accurate enough to improve diagnostic quality in clinical ED routine needs further investigation.
    MeSH term(s) Humans ; Dichlorodiphenyl Dichloroethylene ; Research Design ; Diagnosis, Differential ; Electronic Health Records ; Language
    Chemical Substances Dichlorodiphenyl Dichloroethylene (4M7FS82U08)
    Language English
    Publishing date 2023-07-24
    Publishing country Germany
    Document type Journal Article
    ISSN 2194-802X
    ISSN (online) 2194-802X
    DOI 10.1515/dx-2023-0047
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Severe COVID-19 infection associated with endothelial activation

    Escher, Robert / Breakey, Neal / Lämmle, Bernhard

    Thrombosis Research

    2020  Volume 190, Page(s) 62

    Keywords Hematology ; covid19
    Language English
    Publisher Elsevier BV
    Publishing country us
    Document type Article ; Online
    ZDB-ID 121852-9
    ISSN 1879-2472 ; 0049-3848
    ISSN (online) 1879-2472
    ISSN 0049-3848
    DOI 10.1016/j.thromres.2020.04.014
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 863: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  9. Article ; Online: Point of care ultrasound for rapid assessment and treatment of palliative care patients in acute medical settings.

    Breakey, Neal / Osterwalder, Joseph / Mathis, Gebhard / Lehmann, Beat / Sauter, Thomas C

    European journal of internal medicine

    2020  Volume 81, Page(s) 7–14

    Abstract: The combination of an ageing population with improving survival in malignant and non-malignant disease processes results in a growing cohort of patients with advanced or end-stage chronic diseases who require acute medical care. Emergency care has ... ...

    Abstract The combination of an ageing population with improving survival in malignant and non-malignant disease processes results in a growing cohort of patients with advanced or end-stage chronic diseases who require acute medical care. Emergency care has historically been stereotyped as the identification and treatment of acute life-threatening problems. Although palliative care may be considered to be new to the formal curriculum of emergency medicine, in many domains the ultrasound skillset of a physician in acute medical care can be efficaciously deployed the benefit of patients with both malignant and non-malignant disease processes that require palliative care in the full breadth of acute healthcare settings. In diagnostic domains (abdominal pain, urinary tract obstruction, dyspnoea, venous thromboembolism and musculoskeletal pain) and for specific intervention guidance (thoracentesis, paracentesis, venous access, regional anaesthesia and musculoskeletal interventions) we suggest that POCUS has the potential to streamline improve patient satisfaction, streamline diagnostic strategies, optimise patient length of stay, expedite timely symptomatic relief and reduce complications in this important patient population. POCUS is a mandatory competence in the European curriculum of internal medicine, and specific training programs which cover applications in the domains of palliative care in acute care settings are available. Supervision, quality assurance and appropriate documentation are required. We expect that as the availability of mobile units suitable for point of care applications increases, these applications should become standard of care in the acute management of patients who require palliative care.
    MeSH term(s) Clinical Competence ; Humans ; Internal Medicine/education ; Palliative Care ; Point-of-Care Systems ; Ultrasonography
    Language English
    Publishing date 2020-08-15
    Publishing country Netherlands
    Document type Journal Article ; Review
    ZDB-ID 1038679-8
    ISSN 1879-0828 ; 0953-6205
    ISSN (online) 1879-0828
    ISSN 0953-6205
    DOI 10.1016/j.ejim.2020.08.007
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    Zs.A 2608: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  10. Article ; Online: Thrombophilia and outcomes of venous thromboembolism in older patients.

    Méan, Marie / Breakey, Neal / Stalder, Odile / Alberio, Lorenzo / Limacher, Andreas / Angelillo-Scherrer, Anne / Fontana, Pierre / Beer, Hans Jürg / Rodondi, Nicolas / Aujesky, Drahomir / Lämmle, Bernhard / Escher, Robert

    Research and practice in thrombosis and haemostasis

    2022  Volume 7, Issue 1, Page(s) 100015

    Abstract: Background: Limited data exist on thrombophilic risk factors and clinical outcomes in the elderly with venous thromboembolism (VTE).: Objectives: To describe the prevalence of laboratory thrombophilic risk factors and their association with VTE ... ...

    Abstract Background: Limited data exist on thrombophilic risk factors and clinical outcomes in the elderly with venous thromboembolism (VTE).
    Objectives: To describe the prevalence of laboratory thrombophilic risk factors and their association with VTE recurrence or death in a cohort of elderly people with VTE.
    Methods: In 240 patients aged ≥65 years with acute VTE without active cancer or an indication for extended anticoagulation, we performed laboratory thrombophilia testing 1 year after the index VTE. Recurrence or death was assessed during the 2-year follow-up.
    Results: A total of 78% of patients had ≥1 laboratory thrombophilic risk factor(s). Elevated levels of von Willebrand factor, homocysteine, coagulant activity of factor VIII (FVIII:C), fibrinogen, FIX:C, and low antithrombin activity were the most prevalent risk factors (43%, 30%, 15%, 14%, 13%, and 11%, respectively). Additionally, 16.2% of patients experienced VTE recurrence and 5.8% of patients died. Patients with a von Willebrand factor of >182%, FVIII:C level >200%, homocysteine level >15μmol/L, or lupus anticoagulant had a significantly higher rate of recurrence than those without these risk factors (15.0 vs. 6.1 [
    Conclusion: Laboratory thrombophilic risk factors are common in elderly people with VTE and allow for the identification of a population at the risk of worse clinical outcomes.
    Language English
    Publishing date 2022-12-16
    Publishing country United States
    Document type Journal Article
    ISSN 2475-0379
    ISSN (online) 2475-0379
    DOI 10.1016/j.rpth.2022.100015
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