• 1. Department of Geriatrics, The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, P.R.China;
  • 2. Cardiovascular Disease Research Institute, The Third People’s Hospital of Chengdu, Chengdu, 610031, P.R.China;
  • 3. Department of Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, P.R.China;
  • 4. Department of Cardiology, Chinese PLA General Hospital Hainan Branch, Sanya, 572013, P.R.China;
ZHANG Lei, Email: zhl.037@163.com
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Objective  To systematically review whether the prevalence of left ventricular diastolic dysfunction was higher in systemic sclerosis (SSc) patients. Methods  The Cochrane Library, PubMed, EMbase, CBM, CNKI and WanFang Data databases were electronically searched to collect the studies about comparing echocardiographic parameters in SSc patients and controls from January 1990 to June 2016. Two reviewers independently screened literature, extracted data and assessed the risk of bias of included studies, then, meta-analysis was performed by using RevMan 5.3 software. Results  A total of 22 studies involving 1 146 patients were included. The results of meta-analysis showed that: compared to controls, patients with SSc had prolonged left isovolumetric relaxation time (MD=10.40, 95%CI 4.04 to 16.77, P=0.001), higher trans-mitral A-wave velocity (MD=0.11, 95%CI 0.07 to 0.15, P<0.000 01), prolonged mitral deceleration time (MD=8.04, 95%CI 2.66 to 13.42,P=0.003), larger mean left atrial dimension (MD=1.43, 95%CI 0.11 to 2.76, P=0.03), higher estimated pulmonary artery pressure (MD=11.35, 95%CI 6.08 to 16.6, P<0.001), higher E/E’ ratio (MD=2.08, 95%CI 0.19 to 3.96,P=0.03) and lower trans-mitral E-wave velocity (MD=–0.03, 95%CI –0.05 to –0.01, P=0.000 3), mitral E/A ratio (MD=–0.24, 95%CI –0.32 to –0.15, P<0.000 01) and trans-mitral E’-wave velocity (MD=–1.52, 95%CI –2.44 to –0.60,P=0.001). There were no differences in left ventricular ejection fraction, isovolumetric end-systolic dimension, septal end-diastolic thickness and posterior wall end-diastolic thickness, trans-mitral A’-wave velocity, E’/A’ ratio. Conclusion  SSc patients are more likely to have echocardiographic parameters of LVDD. Due to limited quality and quantity of the included studies, more high quality studies are needed to verify above conclusion.

Citation: CAI Yingying, WANG Han, DENG Juelin, TIAN Peng, YUE Jirong, ZHANG Lei. Left ventricular diastolic dysfunction in systemic sclerosis: a systematic review. Chinese Journal of Evidence-Based Medicine, 2017, 17(10): 1188-1197. doi: 10.7507/1672-2531.201611035 Copy

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