AI Article Synopsis

  • - Previous studies suggested a link between periodontitis (PD) and migraines, but the relationship was uncertain; this research used Mendelian randomization (MR) to clarify if one causes the other.
  • - The study analyzed data from a large population, including 17,353 PD cases and over 360,000 migraine controls, using genetic markers to assess causality.
  • - Results showed no significant causal relationship between PD and migraines, indicating that neither condition influences the other in the population studied.

Article Abstract

Introduction: Previous observational studies have associated periodontitis (PD) with migraine; however, the results are inconclusive and the causality of the association between PD and migraine remains unclear. This two-sample Mendelian randomization (MR) study was performed to explore the bi-directional causal relationship between PD and migraine.

Methods: To investigate the relationship between PD (17,353 cases; 28,210 controls) and migraine (1072 cases; 360,122 controls), we used genetic tools from the largest available genome-wide association study of European descent. Inverse variance-weighted (IVW) and a series of sensitivity analyses were used to explore the association between migraine and PD. We performed an MR study using seven SNPs (single nucleotide polymorphisms) as instrumental variables for PD to investigate the causal relationship between migraine and PD.

Results: We found no significant causal relationship between PD and migraine (odds ratio, OR = 1.000; 95% confidence interval, CI = 0.99-1.00; p = 0.65). Similarly, no evidence supported a causal relationship between migraine and PD (OR = 0.07; CI = 2.04 × 10-2.65 × 10; p = 0.77). A sensitivity analysis revealed that no potential polymorphic effect (p = 0.356) and heterogeneity (p = 0.652) exists for the variants used in constructing the genetic instrument.

Conclusions: Based on the results of our MR study, there is no causal relationship between PD and migraines or migraines and PD.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10310615PMC
http://dx.doi.org/10.1007/s40120-023-00484-7DOI Listing

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