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  1. Article ; Online: Tribute to Dr H. Ralph Schumacher as He Becomes Emeritus Editor, Journal of Clinical Rheumatology.

    Von Feldt, Joan M

    Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

    2017  Volume 23, Issue 4, Page(s) 185–186

    MeSH term(s) Editorial Policies ; Humans ; Power (Psychology) ; Professional Role ; Publishing/standards ; Rheumatology/methods
    Language English
    Publishing date 2017-05-22
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1283266-2
    ISSN 1536-7355 ; 1076-1608
    ISSN (online) 1536-7355
    ISSN 1076-1608
    DOI 10.1097/RHU.0000000000000552
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: The Evolution of the Pan-American League of Associations of Rheumatology.

    Von Feldt, Joan M

    Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

    2016  Volume 22, Issue 3, Page(s) 107

    MeSH term(s) Americas ; Congresses as Topic ; Humans ; Rheumatic Diseases/epidemiology ; Rheumatic Diseases/prevention & control ; Rheumatic Diseases/rehabilitation ; Rheumatic Diseases/therapy ; Rheumatology ; Societies, Medical
    Language English
    Publishing date 2016-04
    Publishing country United States
    Document type Editorial
    ZDB-ID 1283266-2
    ISSN 1536-7355 ; 1076-1608
    ISSN (online) 1536-7355
    ISSN 1076-1608
    DOI 10.1097/RHU.0000000000000393
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Healthcare Resource Utilization and Associated Costs in Patients With Systemic Lupus Erythematosus Diagnosed With Lupus Nephritis.

    Bell, Christopher F / Wu, Benjamin / Huang, Shirley P / Rubin, Bernard / Averell, Carlyne M / Chastek, Benjamin / Hulbert, Erin M / Von Feldt, Joan

    Cureus

    2023  Volume 15, Issue 4, Page(s) e37839

    Abstract: Background: Lupus nephritis (LN) is among the most severe organ manifestations of systemic lupus erythematosus (SLE), affecting between 31% and 48% of patients, usually within five years of SLE diagnosis. SLE without LN is associated with a high ... ...

    Abstract Background: Lupus nephritis (LN) is among the most severe organ manifestations of systemic lupus erythematosus (SLE), affecting between 31% and 48% of patients, usually within five years of SLE diagnosis. SLE without LN is associated with a high economic burden on the healthcare system, and although data are limited, several studies have shown that SLE with LN could increase this burden.  Aim: We aimed to compare the economic burden of LN versus SLE without LN among patients managed in routine clinical practices in the USA and describe the clinical course of these patients.
    Materials and methods: This was a retrospective observational study of patients with commercial or Medicare Advantage health insurance. It included 2310 patients with LN and 2310 matched patients who had SLE without LN; each patient was followed for 12 months after diagnosis (the patient's index date). Outcome measures included healthcare resource utilization (HCRU), direct healthcare costs, and SLE clinical manifestations.  Results: In all healthcare settings, the mean (SD) use of all-cause healthcare resources was significantly higher in the LN versus SLE without LN cohort, including the mean number of ambulatory visits (53.9 (55.1) vs 33.0 (26.0)), emergency room visits (2.9 (7.9) vs 1.6 (3.3)), inpatient stays (0.9 (1.5) vs 0.3 (0.8)), and pharmacy fills (65.0 (48.3) vs 51.2 (42.6)) (all p<0.001). Total all-cause costs per patient in the LN cohort were also significantly higher compared with the SLE without LN cohort ($50,975 (86,281) vs $26,262 (52,720), p<0.001), including costs for inpatient stays and outpatient visits. Clinically, a significantly higher proportion of patients with LN experienced moderate or severe SLE flares compared with the SLE without LN cohort (p<0.001), which may explain the difference in HCRU and healthcare costs.
    Conclusion: All-cause HCRU and costs were higher for patients with LN than for matched patients with SLE without LN, highlighting the economic burden associated with LN.
    Language English
    Publishing date 2023-04-19
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.37839
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Some suggestions for reviewers and for authors to know what reviewers may be looking for.

    Schumacher, H Ralph / Von Feldt, Joan M

    Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

    2014  Volume 20, Issue 5, Page(s) 241–243

    MeSH term(s) Authorship ; Editorial Policies ; Humans ; Peer Review, Research ; Periodicals as Topic ; Quality Control
    Language English
    Publishing date 2014-08
    Publishing country United States
    Document type Editorial
    ZDB-ID 1283266-2
    ISSN 1536-7355 ; 1076-1608
    ISSN (online) 1536-7355
    ISSN 1076-1608
    DOI 10.1097/RHU.0000000000000132
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: The cardiovascular threat of lupus.

    Von Feldt, Joan M

    Nature clinical practice. Rheumatology

    2008  Volume 4, Issue 10, Page(s) 505

    MeSH term(s) Cardiovascular Diseases/diagnosis ; Cardiovascular Diseases/etiology ; Cardiovascular Diseases/mortality ; Female ; Humans ; Lupus Erythematosus, Systemic/complications ; Lupus Erythematosus, Systemic/diagnosis ; Lupus Erythematosus, Systemic/mortality ; Male ; Randomized Controlled Trials as Topic ; Risk Factors ; Survival Rate
    Language English
    Publishing date 2008-10
    Publishing country United States
    Document type Editorial
    ZDB-ID 2228569-6
    ISSN 1745-8390 ; 1745-8382
    ISSN (online) 1745-8390
    ISSN 1745-8382
    DOI 10.1038/ncprheum0910
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: In the real world, faster diagnoses are not necessarily more accurate.

    Reilly, James B / Von Feldt, Joan M

    Academic medicine : journal of the Association of American Medical Colleges

    2013  Volume 88, Issue 3, Page(s) 297–298

    MeSH term(s) Clinical Competence ; Cognition ; Diagnostic Errors/psychology ; Humans ; Physicians/psychology
    Language English
    Publishing date 2013-03
    Publishing country United States
    Document type Comment ; Letter
    ZDB-ID 96192-9
    ISSN 1938-808X ; 1040-2446
    ISSN (online) 1938-808X
    ISSN 1040-2446
    DOI 10.1097/ACM.0b013e318280cbb1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: High-density lipoprotein: does it have a dark side?

    Von Feldt, Joan M

    Arthritis research & therapy

    2008  Volume 10, Issue 5, Page(s) 121

    Abstract: There are proven pleiotropic anti-atherogenic actions of high-density lipoprotein (HDL). However, in systemic inflammation, HDL can have pro-inflammatory properties that may contribute to accelerated atherosclerosis, likely mediated by a change in the ... ...

    Abstract There are proven pleiotropic anti-atherogenic actions of high-density lipoprotein (HDL). However, in systemic inflammation, HDL can have pro-inflammatory properties that may contribute to accelerated atherosclerosis, likely mediated by a change in the structure of HDL to pro-inflammatory HDL (PiHDL). Validation of the technically challenging assay for PiHDL, and confirmation of an association of PiHDL in multiple populations with known risk for atherosclerosis will eventually provide a useful biomarker. Identification of PiHDL in patients with rheumatic disease may help identify patients at risk of accelerated atherosclerosis, and focus our therapeutic interventions.
    MeSH term(s) Animals ; Atherosclerosis/etiology ; Atherosclerosis/metabolism ; Humans ; Inflammation/metabolism ; Lipoproteins, HDL/adverse effects ; Lipoproteins, HDL/chemistry ; Lipoproteins, HDL/metabolism
    Chemical Substances Lipoproteins, HDL
    Language English
    Publishing date 2008-10-31
    Publishing country England
    Document type Comment ; Editorial
    ZDB-ID 2107602-9
    ISSN 1478-6362 ; 1478-6354
    ISSN (online) 1478-6362
    ISSN 1478-6354
    DOI 10.1186/ar2527
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Atherosclerosis and central nervous system involvement in systemic lupus erythematosus.

    Von Feldt, Joan M

    Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

    2007  Volume 13, Issue 4, Page(s) 179–180

    MeSH term(s) Adult ; Atherosclerosis/etiology ; Carotid Artery Diseases/etiology ; Cerebral Infarction/diagnosis ; Cerebral Infarction/etiology ; Female ; Humans ; Lupus Erythematosus, Systemic/complications ; Lupus Vasculitis, Central Nervous System/complications ; Magnetic Resonance Imaging
    Language English
    Publishing date 2007-08
    Publishing country United States
    Document type Comment ; Editorial
    ZDB-ID 1283266-2
    ISSN 1076-1608
    ISSN 1076-1608
    DOI 10.1097/RHU.0b013e31812e00ee
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Premature atherosclerotic cardiovascular disease and systemic lupus erythematosus from bedside to bench.

    Von Feldt, Joan M

    Bulletin of the NYU hospital for joint diseases

    2008  Volume 66, Issue 3, Page(s) 184–187

    Abstract: Cardiovascular morbidity and mortality in SLE is increased in patient with established disease, and SLE itself has been determined to be an independent risk factor for cardiovascular events. Autopsy studies have demonstrated that the coronary vessels of ... ...

    Abstract Cardiovascular morbidity and mortality in SLE is increased in patient with established disease, and SLE itself has been determined to be an independent risk factor for cardiovascular events. Autopsy studies have demonstrated that the coronary vessels of SLE patients have atherosclerotic plaque, and most cardiovascular events are not attributable to active vasculitis. It is believed that patients with inflammatory disease, including SLE, are more likely to have vulnerable plaque rupture, accounting for more frequent events. Elevated homocysteine levels have been associated with the presence and progression of atherosclerotic plaque. Enzyme polymorphisms involved in the folatehomocysteine pathway do not seem to contribute to differences in homocysteine concentration or atherosclerotic plaque. Recently, endothelial dysfunction has been identified as an early abnormality in ASCVD, and has been demonstrated in the vessels of SLE patients. Premature cardiovascular disease in SLE patients is likely attributable to the consequences of inflammation. There is preliminary evidence that type I interferons maybe the initial stimulation of the cascade of atherosclerotic development, starting with endothelial damage, and abnormal vascular repair.
    MeSH term(s) Age of Onset ; Animals ; Atherosclerosis/etiology ; Atherosclerosis/metabolism ; Atherosclerosis/pathology ; Atherosclerosis/physiopathology ; Biomarkers/blood ; Endothelium, Vascular/physiopathology ; Folic Acid/metabolism ; Homocysteine/blood ; Humans ; Lupus Erythematosus, Systemic/complications ; Lupus Erythematosus, Systemic/metabolism ; Lupus Erythematosus, Systemic/pathology ; Lupus Erythematosus, Systemic/physiopathology ; Rupture ; Up-Regulation
    Chemical Substances Biomarkers ; Homocysteine (0LVT1QZ0BA) ; Folic Acid (935E97BOY8)
    Language English
    Publishing date 2008
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 390411-8
    ISSN 2328-5273 ; 1936-9727 ; 1936-9719 ; 0018-5647 ; 0883-9344 ; 2328-4633
    ISSN (online) 2328-5273 ; 1936-9727
    ISSN 1936-9719 ; 0018-5647 ; 0883-9344 ; 2328-4633
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Reversible posterior leukoencephalopathy syndrome in systemic lupus erythematosus: what can this teach us?

    Von Feldt, Joan M

    Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

    2005  Volume 11, Issue 3, Page(s) 127–128

    MeSH term(s) Cyclosporine/administration & dosage ; Cyclosporine/adverse effects ; Drug Approval ; Humans ; Hypertensive Encephalopathy/chemically induced ; Hypertensive Encephalopathy/drug therapy ; Immunosuppressive Agents/administration & dosage ; Immunosuppressive Agents/adverse effects ; Lupus Erythematosus, Systemic/complications ; Lupus Erythematosus, Systemic/drug therapy ; Product Surveillance, Postmarketing ; Seizures/chemically induced ; Seizures/drug therapy ; Thrombocytopenia/drug therapy ; Thrombocytopenia/etiology
    Chemical Substances Immunosuppressive Agents ; Cyclosporine (83HN0GTJ6D)
    Language English
    Publishing date 2005-11-29
    Publishing country United States
    Document type Comment ; Editorial
    ZDB-ID 1283266-2
    ISSN 1076-1608
    ISSN 1076-1608
    DOI 10.1097/01.rhu.0000166666.94382.e6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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