Change over time of lipid profile relates to steroid treatment but not to an inflammatory state in Granulomatosis with poliangioitis polyangiitis (GPA)

Selected Abstract – Spring Meeting 2023

Marialuisa S. Marozzi
UOSD Ipertensione Arteriosa “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy and Unit of Hypertension “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area - (DiMePRe-J), University of Bari “Aldo Moro”, AUOC Policlinico di Bari, Italy
Teresa Panebianco
UOSD Ipertensione Arteriosa “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
Antonio Vacca
Clinica Medica, Department of Medicine, University of Udine, Udine, Italy
Valeria Dipaola
UOSD Ipertensione Arteriosa “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
Silvia Noviello
UOSD Ipertensione Arteriosa “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
Antonio Giovanni Solimando
UOSD Ipertensione Arteriosa “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy
Sebastiano Cicco
UOSD Ipertensione Arteriosa “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area, University of Bari, Bari, Italy and Unit of Hypertension “A.M. Pirrelli”, Department of Precision and Regenerative Medicine and Ionian Area - (DiMePRe-J), University of Bari “Aldo Moro”, AUOC Policlinico di Bari, Italy

Abstract

Aim: Granulomatosis with polyangiitis (GPA) is a small vessel vasculitis. Inflammation of the vessel wall may induce multiple vascular damages. Atherosclerosis is accelerated during vasa inflammation. Metabolic profile and cardiovascular risk are far to be determined in these patients. Thus, Cardiovascular atherosclerotic disease (ASCVD) may represent a risk for patients' outcomes. The purpose is to evaluate ASCVD risk in GPA over time during disease follow-up.
Methods: We retrospectively evaluated 37 patients (22 Females, aged 51.45±17.15) who received a diagnosis of GPA (T0). Patients were evaluated at 1 (T1) and 2 (T2) year follow-up. All patients were treated with high steroid dose followed by a one-year tapering, associated to another immunosuppressant. Lipid profile included total cholesterol, HDL, LDL and Triacylglycerol. To evaluate inflammatory activity, we evaluate erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and neutrophil to lymphocyte ratio (NLR) at the same time points. ANOVA for repeated values was used to evaluate the trend over time and Tukey's multiple comparisons test was a second step evaluation.
Results: At T1 there was an increase in total cholesterol compared to baseline (T1vsT0, p<0.05) and T2 (T1vs T2, p<0.05). Similarly, LDL (T1vsT0, p<0.05) presents the same trend, while Triacylglycerol increased in T1 compared to baseline (T1vsT0, p<0.05), but no difference there was in T2 compared to T1 or T0. No difference was found in HDL between the different time points. CRP was no different, despite a reduction being noticed. On the contrary, we found a reduction at T2 but not in T1 in ESR (T1vsT0, p<0.05) and NLR (T1vsT0, p<0.05).
Conclusion: Our data suggest that a change in lipid profile may not relate to better control of inflammation. On the contrary, the increase in the first year of follow-up should be a consequence of steroid treatment needed to spread disease control. These data may be helpful in the evaluation of both cardiovascular disease and lipid metabolism due to the connection between the two parameters with vessel inflammation. Further studies are needed to better evaluate the cardiovascular effect of vasculitis and consequent treatment.

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