Photodynamic therapy for intergluteal warts in a child affected by Rett syndrome

Cardiac involvement is common in systemic sclerosis (SSc) patients. In this study, we aimed to systematically evaluate the relationship between SSc and left ventricular dysfunction (LVD), especially the left ventricular diastolic dysfunction, by ultrasound and cardiac magnetic resonance data.

We searched The Cochrane Library, PubMed and Embase databases collected studies about comparing LVD parameters in SSc patients and controls from establishment to January 2022. Furthermore, we also performed a two-sample MR using summary statistics from genome-wide association studies (GWAS) important LVD parameters, including left ventricular end-diastolic volume (LVEDV), left ventricular mass (LVM) and left ventricular ejection fraction (LVEF).

Our meta-analysis included 31 eligible studies with 1448 SSc patients. According to the results, SSc patients had lower peak of early diastolic flow velocity/peak of late diastolic flow velocity ratio (E/A ratio), E, trans-mitral early filling peak velocity (E′), and left ventricular end-diastolic diameter (LVEDD) compared to controls. The E/E’ ratio, A, left ventricular isovolumetric relaxation time (IVRT), deceleration Time (DT) and left atrial (LA) diameter were higher in SSc patients in comparison with controls. Moreover, we observed that the SSc patients had lower LVEF than controls. And in MR analysis, we also found that SSc was causally correlated with LVEF (OR = 0.9966, 95% CI 0.9935–0.998, P = 0.0398). However, unfortunately, there was no significant correlation between SSC and LVM (OR = 1.0048, 95% CI 0.9919–1.0179, P = 0.4661) and LVEDV (LVEDV OR = 0.9976, 95%CI 0.9888–1.0066, P = 0.6019).

SSc patients had diastolic/systolic dysfunction. However, MR analysis cannot confirm the genetic relationship between SSc and LVDD because of insufficient data. More research is needed to confirm the causal relationship between the two.

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