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1.
BMC Nephrol ; 25(1): 16, 2024 Jan 10.
Article in English | MEDLINE | ID: mdl-38200454

ABSTRACT

BACKGROUND: Plasma proenkephalin A (PENK-A) is a precursor of active enkephalins. Higher blood concentrations have been associated with estimated glomerular filtration rate (eGFR) decline in European populations. Due to the significant disparity in incident chronic kidney disease (CKD) between White and Black people, we evaluated the association of PENK-A with incident CKD and other kidney outcomes among a biracial cohort in the U.S. METHODS: In a nested cohort of 4,400 participants among the REasons for Geographic And Racial Differences in Stroke, we determined the association between baseline PENK-A concentration and incident CKD using the creatinine-cystatin C CKD-EPI 2021 equation without race coefficient, significant eGFR decline, and incident albuminuria between baseline and a follow-up visit 9.4 years later. We tested for race and sex interactions. We used inverse probability sampling weights to account for the sampling design. RESULTS: At baseline, mean (SD) age was 64 (8) years, 49% were women, and 52% were Black participants. 8.5% developed CKD, 21% experienced ≥ 30% decline in eGFR and 18% developed albuminuria. There was no association between PENK-A and incident CKD and no difference by race or sex. However, higher PENK-A was associated with increased odds of progressive eGFR decline (OR: 1.12; 95% CI 1.00, 1.25). Higher PENK-A concentration was strongly associated with incident albuminuria among patients without diabetes mellitus (OR: 1.29; 95% CI 1.09, 1.53). CONCLUSION: While PENK-A was not associated with incident CKD, its associations with progression of CKD and incident albuminuria, among patients without diabetes, suggest that it might be a useful tool in the evaluation of kidney disease among White and Black patients.


Subject(s)
Protein Precursors , Renal Insufficiency, Chronic , Stroke , Humans , Female , Middle Aged , Male , Albuminuria/epidemiology , Race Factors , Renal Insufficiency, Chronic/diagnosis , Renal Insufficiency, Chronic/epidemiology , Stroke/epidemiology , Enkephalins
2.
J Investig Med High Impact Case Rep ; 12: 23247096231224322, 2024.
Article in English | MEDLINE | ID: mdl-38243400

ABSTRACT

A 66-year-old female was found hypotensive in ventricular tachycardia (V-tach). Workup confirmed septic shock and takotsubo cardiomyopathy (TCM) with left ventricular (LV) thrombus. Despite the initiation of anticoagulation therapy, she developed an embolic stroke on day 14. Malignant ventricular arrhythmia and LV thrombosis are rare complications of TCM. However, there is no specific guideline regarding prophylactic anticoagulation.


Subject(s)
Takotsubo Cardiomyopathy , Thrombosis , Female , Humans , Aged , Takotsubo Cardiomyopathy/complications , Takotsubo Cardiomyopathy/diagnosis , Anticoagulants , Thrombosis/complications
3.
J Investig Med High Impact Case Rep ; 12: 23247096231210337, 2024.
Article in English | MEDLINE | ID: mdl-38299604

ABSTRACT

There have been studies published regarding the association between developing Brugada syndrome after an acute COVID-19 infection. In this case, we present a patient who presented with a syncopal episode and subsequently found to have Type I Brugada pattern on electrocardiogram. The patient underwent placement of a single chamber defibrillator. Genetic analysis demonstrated SCN5A variant which is associated with cardiac conditions including Brugada syndrome.


Subject(s)
Brugada Syndrome , COVID-19 , Humans , COVID-19 Vaccines/adverse effects
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