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1.
JACC Case Rep ; 4(19): 1319-1323, 2022 Oct 05.
Article in English | MEDLINE | ID: mdl-36406917

ABSTRACT

Warfarin is the only approved anticoagulant after mechanical valve replacement, but it is a well described risk factor for calciphylaxis among patients with end-stage kidney disease. Our patient with end-stage kidney disease rapidly developed calciphylaxis after dual mechanical valve replacement in association with warfarin initiation, posing significant challenges in clinical management and a fatal outcome. (Level of Difficulty: Intermediate.).

2.
Cureus ; 14(4): e23979, 2022 Apr.
Article in English | MEDLINE | ID: mdl-35541291

ABSTRACT

Management of mechanical prosthetic valve thrombosis (PVT) includes medical and surgical options. Standard medical treatment involves thrombolytic therapy with repeated slow infusions of low-dose IV tissue plasminogen activator (t-PA). The evidence for managing mechanical PVT that does not respond to the standard t-PA dosing is limited in the setting of an exacerbating hypercoagulable condition. We present a case of a patient with a history of antiphospholipid syndrome who presented with a probable thromboembolic myocardial infarction secondary to a mechanical mitral valve thrombosis that did not improve with systemic anticoagulation and repeated standard t-PA dosing but rapidly resolved with ultraslow, high-dose t-PA.

4.
J Card Fail ; 24(12): 849-853, 2018 Dec.
Article in English | MEDLINE | ID: mdl-30312764

ABSTRACT

BACKGROUND: Heart failure is a significant cause of morbidity and mortality in sub-Saharan Africa. Our understanding of the heart failure burden in this region has been limited mainly to registries from urban referral centers. Starting in 2006, a nurse-driven strategy was initiated to provide echocardiography and decentralized heart failure care within noncommunicable disease (NCD) clinics in rural district hospitals in Rwanda. METHODS AND RESULTS: We conducted a retrospective review of patients with cardiologist-confirmed heart failure treated at 3 district hospital NCD clinics in Rwanda from 2006 to 2017 to determine patient clinical characteristics and disease distribution. Over 10 years, 719 patients with confirmed heart failure were identified. Median age was 27 years overall, and 42 years in adults. Thirty-six percent were children (age <18 years), 68% were female, and 78% of adults were farmers. At entry, 39% were in New York Heart Association functional class III-IV. Among children, congenital heart disease (52%) and rheumatic heart disease (36%) were most common. In adults, cardiomyopathy (40%), rheumatic heart disease (27%), and hypertensive heart disease (13%) were most common. No patients were diagnosed with ischemic cardiomyopathy. CONCLUSIONS: The results of the largest single-country heart failure cohort from rural sub-Saharan Africa demonstrate a persistent burden of rheumatic disease and nonischemic cardiomyopathies.


Subject(s)
Cardiomyopathies/complications , Forecasting , Heart Failure/etiology , Hospitals, District , Hypertension/complications , Rheumatic Heart Disease/complications , Rural Population , Adolescent , Adult , Aged , Aged, 80 and over , Cardiomyopathies/epidemiology , Child , Child, Preschool , Female , Follow-Up Studies , Heart Failure/epidemiology , Humans , Hypertension/epidemiology , Infant , Male , Middle Aged , Poverty , Retrospective Studies , Rheumatic Heart Disease/epidemiology , Rwanda/epidemiology , Socioeconomic Factors , Young Adult
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