ArticleAACE clinical case reports
Hypercholesterolemia After COVID-19: Time to Include Lipoprotein X Among the Differential Diagnoses.
Article in AACE clinical case reports. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed, 3 citations in OpenAlex.
- Editorial for March/April Issue of AACE Clinical Case Reports.AACE clinical case reportsArticle
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Lipoprotein X (LpX) is an abnormal lipoprotein composed of phospholipids, free cholesterol, and albumin. Its overaccumulation is an infrequent cause of hyperlipidemia, which oftentimes presents in patients with cholestatic liver disease. The aim is to present the first 2 cases of patients with post-COVID cholangiopathy and LpX overaccumulation. Case Report: We present 2 female patients (ie, a 34-year-old [patient 1] and a 56-year-old [patient 2]), who had complicated courses of COVID-19, requiring prolonged mechanical ventilation (>4 weeks). One month after discharge, patient 1 presented with abdominal pain. Patient 2 had gangrenous cholecystitis and later developed recurrent elevation of alkaline phosphatase and bilirubin. Both patients were diagnosed with cholestatic liver disease. During outpatient follow-up both patients were found to have elevated plasma low-density lipoprotein cholesterol (LDL-C) in routine lipid panels (723 mg/dL and 1389 mg/dL, respectively). Both patients underwent various treatments for elevated LDL-C before referral to endocrinology. Patients were diagnosed with LpX overaccumulation from post-COVID-19 cholangiopathy. In both patients, LDL-C fluctuations seen in routine lipid panels (affected by LpX levels) were tightly correlated with changes in alkaline phosphate and bilirubin. Discussion: Our patients represent the first report of LpX overaccumulation in patients with post-COVID-19 cholangiopathy. Whether LpX accumulation is only the result of liver dysfunction, or COVID-19 infection plays a direct role in elevated LpX levels is still unknown. Conclusion: In patients with complicated courses of COVID-19, LpX overaccumulation should be considered when a routine lipid panel shows significant LDL-C elevations. Awareness among health care providers regarding LpX is important to avoid unnecessary workup and treatment.
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