Dataset Information

Transient bilateral chorea secondary to digoxin toxicity in a female with acute kidney injury: a case report.

ABSTRACT:

Background

Chorea secondary to digoxin toxicity is rare, with only three published cases describing the phenomenon. We report the case of a 78-year-old female presenting with intermittent vomiting and diarrhoea for 4 weeks. She had a history of chronic kidney disease and digoxin use for atrial fibrillation.

Case summary

A 78-year-old lady presented to the emergency department with a 4-week history of intermittent vomiting and diarrhoea. These symptoms commenced after a course of antibiotics prescribed by her general practitioner for a urinary tract infection. Her admission electrocardiogram demonstrated atrial fibrillation at a rate of 32, with evidence of digitalis toxicity. Her creatinine was 396 µmol/L (44-80 µmol/L) with digoxin level 8.1?nmol/L (0.77-1.5?nmol/L). Initially, treatment was with digoxin-specific antibody (FAB) and fluid resuscitation. Within 24?h, she developed transient head, neck, and bilateral upper limb chorea. Review of medications revealed no other likely causative agent. Neuroimaging showed no new ischaemia, but stable established bilateral infarcts of the basal ganglia. Haloperidol 0.5?mg twice daily was commenced. Three days later as digoxin levels normalized, the chorea resolved entirely without recurrence.

Discussion

We have identified three reported cases of digoxin-induced chorea. Our case resembles two of the published cases where a transient bilateral chorea, associated with digitalis toxicity and resolving within a few days of normalization of digoxin levels was demonstrated. There were no other focal neurological signs or symptoms. It has been postulated that an alteration to dopaminergic neuronal activity is a potential mechanism, as digoxin also demonstrates neuropsychiatric side effects such as psychosis and depression.

SUBMITTER: Mannion J

PROVIDER: S-EPMC7859595 | biostudies-literature | 2021 Feb

REPOSITORIES: biostudies-literature

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Publications

Transient bilateral chorea secondary to digoxin toxicity in a female with acute kidney injury: a case report.

Mannion James J Tariq Samreen S Owens Patrick P

European heart journal. Case reports 20210204 2

<h4>Background</h4>Chorea secondary to digoxin toxicity is rare, with only three published cases describing the phenomenon. We report the case of a 78-year-old female presenting with intermittent vomiting and diarrhoea for 4 weeks. She had a history of chronic kidney disease and digoxin use for atrial fibrillation.<h4>Case summary</h4>A 78-year-old lady presented to the emergency department with a 4-week history of intermittent vomiting and diarrhoea. These symptoms commenced after a course of a ...[more]

PMID: 33569535

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Project description:BackgroundDigoxin is a widely prescribed drug for congestive heart failure and atrial fibrillation. Digoxin has a narrow therapeutic index and toxicity can develop quite easily. Digoxin immune fab (DIF) is an effective treatment for toxicity, however there are limited studies characterizing its impact on clinical outcomes in real-world clinical practice.ObjectivesThe aim of this study was to identify factors and healthcare outcomes associated with digoxin immune fab (DIF) treatment in patients with confirmed/suspected digoxin toxicity.MethodsAn IRB-approved retrospective chart review of digoxin toxic patients (2011-2020) presenting at an academic healthcare system was conducted. Demographic and clinical data were collected. Patients were stratified by DIF treatment versus non-DIF treatment. DIF utilization patterns (appropriate, use when not indicated, or underutilized) were determined using pre-defined criteria. Severe digoxin toxicity was defined as having one or more of the following: mental status disturbances, antiarrhythmic therapy, acute renal impairment or dehydration, serum digoxin concentration (SDC) > 4 ng/mL, or serum K+ > 5 mEq/mL. Logistic multivariable regression analysis evaluated factors associated with DIF use. All statistical analyses were performed in R version 4.1.ResultsData from 96 patients (non-DIF treated group = 49; DIF treated group = 47) were analyzed. DIF was used appropriately in 70 patients (73%), underutilized in 19 (20%), and administered to 7 (7%) patients when it was not indicated. Several clinical parameters differentiated the DIF from the non-DIF group (p < 0.05) including higher mean SDC (3.41 ± 1.63 vs 2.87 ± 1.17), higher mean potassium (5.33 ± 1.48 vs 4.55 ± 0.87), more toxicity severity (85% vs 49%), and more likely to require cardiac pacing (26% vs 4%). Digoxin toxicity resolved sooner in the DIF group (coefficient - 0.702, 95% CI - 1.137 to - 0.267) (p < 0.01) and they had shorter intensive care unit lengths of stay (12.4 ± 20.3 vs 24.4 ± 28.7 days; p = 0.018). The all-cause mortality rate in patients appropriately managed with DIF therapy versus those patients where DIF was underutilized was 11% and 21%, respectively.ConclusionsBased on our study population, DIF therapy appears to be beneficial in limiting duration of toxicity and intensive care unit lengths of stay in digoxin toxic patients. Although DIF was appropriately utilized in most cases, there was a relatively high proportion of cases in which DIF treatment was either underutilized or not indicated.

Dataset Information

Transient bilateral chorea secondary to digoxin toxicity in a female with acute kidney injury: a case report.

Background

Case summary

Discussion

Publications

Transient bilateral chorea secondary to digoxin toxicity in a female with acute kidney injury: a case report.

Similar Datasets

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