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Prevalence, Presentation, and Associated Conditions of Patients With Fibromuscular Dysplasia
Chayakrit Krittanawong1, Anirudh Kumar2, Kipp W Johnson3
1Department of Internal Medicine, Icahn School of Medicine at Mount Sinai St' Luke and Mount Sinai West Hospitals, New York, New York.
Abstract:
Fibromuscular dysplasia (FMD) is defined by focal narrowing of small and medium-sized arteries due to an idiopathic, noninflammatory, nonatherosclerotic vascular disease. The population-based prevalence of FMD remains unknown. Using the National Inpatient Sample database, we evaluated the prevalence, clinical presentation, mortality, and associated conditions of FMD from January 1, 2004, to September 30, 2015. Among 2,420 patients who presented with FMD, 2,086 (86.20%) of patients were female. The mean age was 55.18 ± 18.99 years in men and 63.37 ± 17.10 years in women. FMD patients most commonly presented with hypertension (67.3%), transient ischemic attack (3.7%), headache (2.1%), dizziness (1.1%), abdominal pain (0.6%), or hematuria (0.3%). In-hospital mortality of FMD patients was 0.74%. In conclusion, FMD is a rare condition with low in-hospital mortality that may be considered among female patients presenting with hypertension.
Insights
Fibromuscular dysplasia (FMD) is a rare vascular disease. This study found FMD primarily affects women and has low in-hospital mortality, often presenting with hypertension.
Area of Science:
- Vascular Medicine
- Epidemiology
- Internal Medicine
Background:
- Fibromuscular dysplasia (FMD) is a nonatherosclerotic vascular disease causing arterial narrowing.
- The population-based prevalence and clinical characteristics of FMD are not well-established.
Purpose of the Study:
- To evaluate the prevalence, clinical presentation, mortality, and associated conditions of FMD.
- To identify key demographic and clinical features of FMD patients.
Main Methods:
- Retrospective analysis of the National Inpatient Sample database.
- Inclusion of patients diagnosed with FMD between January 1, 2004, and September 30, 2015.
- Evaluation of patient demographics, presenting symptoms, and in-hospital outcomes.
Main Results:
- FMD was identified in 2,420 patients, with 86.20% being female.
- The most common presenting symptoms included hypertension (67.3%), transient ischemic attack (3.7%), and headache (2.1%).
- In-hospital mortality for FMD patients was low at 0.74%.
Conclusions:
- FMD is a rare condition predominantly affecting women.
- Hypertension is the most frequent clinical presentation of FMD.
- FMD is associated with low in-hospital mortality, suggesting a need for increased consideration in female patients with hypertension.
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