ArticlePloS one2020
Hemolysis induced by Left Ventricular Assist Device is associated with proximal tubulopathy.
Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 14 citations in OpenAlex.
- Trial-Based Hemolysis Modeling to Investigate Operating Modes of Continuous-Flow LVADs.Artificial organs · 2026Article
- Acute kidney injury and chronic kidney disease after left ventricular assist device placement.JTCVS open · 2025Article
- Article
- From Rare Disorders of Kidney Tubules to Acute Renal Injury: Progress and Prospective.Kidney diseases (Basel, Switzerland) · 2024Review
- Renal Dysfunction in Patients with Left Ventricular Assist Device.Methodist DeBakey cardiovascular journal · 2022Review
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundChronic subclinical hemolysis is frequent in patients implanted with Left Ventricular Assist Device (LVAD) and is associated with adverse outcomes. Consequences of LVADs-induced subclinical hemolysis on kidney structure and function is currently unknown.
methodsThirty-three patients implanted with a Heartmate II LVAD (Abbott, Inc, Chicago IL) were retrospectively studied. Hemolysis, Acute Kidney Injury (AKI) and the evolution of estimated Glomerular Filtration Rate were analyzed. Proximal Tubulopathy (PT) groups were defined according to proteinuria, normoglycemic glycosuria, and electrolytic disorders. The Receiver Operating Characteristic (ROC) curve was used to analyze threshold of LDH values associated with PT.
resultsMedian LDH between PT groups were statistically different, 688 IU/L [642-703] and 356 IU/L [320-494] in the "PT" and "no PT" groups, respectively p = 0.006. To determine PT group, LDH threshold > 600 IU/L was associated with a sensitivity of 85.7% (95% CI, 42.1-99.6) and a specificity of 84.6% (95% CI, 65.1-95.6). The ROC's Area Under Curve was 0.83 (95% CI, 0.68-0.98). In the "PT" group, patients had 4.2 [2.5-5.0] AKI episodes per year of exposure, versus 1.6 [0.4-3.7] in the "no PT" group, p = 0.03. A higher occurrence of AKI was associated with subsequent development of Chronic Kidney Disease (CKD) (p = 0.02) and death (p = 0.05).
conclusionsLVADs-induced subclinical hemolysis is associated with proximal tubular functional alterations, which in turn contribute to the occurrence of AKI and subsequent CKD. Owing to renal toxicity of hemolysis, measures to reduce subclinical hemolysis intensity as canula position or pump parameters should be systematically considered, as well as specific nephroprotective therapies.
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