Meta-Analysis of Cardiac T2* MRI and Natriuretic Peptides in Iron Overload

Nine studies involving 783 patients with transfusion-dependent anemias were analyzed to evaluate the relationship between cardiac T2* MRI and B-type natriuretic peptide levels. Pooled data from seven studies showed a moderate inverse correlation (r = -0.30), indicating higher peptide levels with greater myocardial iron deposition. The work was conducted by Mohamad Amin Kharaghani and published in 2026.

Use Cases

• Calculate pooled correlation coefficients between T2* MRI values and natriuretic peptide levels using data from seven studies.
• Compare standardized mean differences in natriuretic peptide concentrations for patients with T2* < 20 ms versus T2* > 20 ms.
• Analyze the 95% confidence intervals for correlation and mean difference estimates to assess result precision.
• Extract pooled mean natriuretic peptide concentrations (e.g., 321.1 pg/mL vs. 179.0 pg/mL) for groups defined by cardiac iron overload status.

Strengths

• Analysis aggregates data from 783 patients across nine clinical studies.
• Provides specific quantitative results, including a correlation coefficient of r = -0.30 and a standardized mean difference of -0.71.
• Reports precise confidence intervals for key metrics, such as 95% CI -0.51 to -0.06 for the correlation.

Limitations

• Dataset is a 2.7 MB DOCX file containing a manuscript, not a structured, machine-readable table for direct analysis.
• Underlying patient-level data from the nine original studies is not included, limiting reproducibility and secondary analysis.
• The meta-analysis includes only seven studies in the pooled correlation calculation, a relatively small sample for such synthesis.

Provenance

Source

figshare, authored by Mohamad Amin Kharaghani.

Collection Method

Systematic review and meta-analysis of nine published clinical studies.

Time Range

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Freshness

Last updated March 2026.

Geography

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