Lupus & antiphospholipid syndrome

Depression in systemic lupus erythematosus: A manifestation of microcirculation dysfunction?

LupusPublished Cross-sectional study

Authors' conclusion

This study suggests a possible association between emotional abnormalities and microvascular impairment (cerebral oxygenation and endothelial dysfunction) in SLE

Study context

Population
Systemic lupus erythematosus (SLE) patients without a known neuropsychiatric history or treatment with antidepressants or antipsychotic drugs
Participants
23 patients
Exposure
SLE patients with depressive symptoms vs without
Outcome
Cerebral oxygenation (oxygenated hemoglobin (O2Hb), HHb, total hemoglobin (tHb) by near-infrared spectroscopy (NIRS)) during 3-min handgrip exercise at 30% of maximal strength
Follow-up
During exercise
Methodological detailsnear-infrared spectroscopy, handgrip exercise protocol
  • Near-infrared spectroscopy
  • Handgrip exercise protocol

Main finding

As reported in the abstract

Increase in cerebral O2Hb during exercise
  • SLE-depression vs SLE-non-depression: P = 0.039
  • SLE-depression vs SLE-non-depression: P = 0.027

Observational data: associations, not effects.

Further findings

Correlation of Beck's Depression Inventory I (BDI-I) score with O2Hb-AUC

Inverse correlation (rho), p = 0.017
−0.493

Correlation of BDI-I score with VCAM-1 levels

Positive correlation (rho), p = 0.034
0.501

Original publication

Depression in systemic lupus erythematosus: A manifestation of microcirculation dysfunction? Lupus. Published 29 March 2023. doi:10.1177/09612033231167792

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