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Matter M, El-Sherbiny E, Elmougy A, et al. Myocardial function in Saudi adolescents with vitamin D deficiency: Tissue Doppler imaging study. J Saudi Heart Assoc. 2015;28(1):22-30doi: 10.1016/j.jsha.2015.06.006.
Matter, M., El-Sherbiny, E., Elmougy, A., Abass, M., Aldossary, S., & Ali, W. A. (2016). Myocardial function in Saudi adolescents with vitamin D deficiency: Tissue Doppler imaging study. Journal of the Saudi Heart Association, 28(1), 22-30. https://doi.org/10.1016/j.jsha.2015.06.006
Matter, Mohamed, et al. "Myocardial function in Saudi adolescents with vitamin D deficiency: Tissue Doppler imaging study." Journal of the Saudi Heart Association vol. 28,1 (2016): 22-30. doi: https://doi.org/10.1016/j.jsha.2015.06.006
Matter M, El-Sherbiny E, Elmougy A, Abass M, Aldossary S, Ali WA. Myocardial function in Saudi adolescents with vitamin D deficiency: Tissue Doppler imaging study. J Saudi Heart Assoc. 2016 Jan;28(1):22-30. doi: 10.1016/j.jsha.2015.06.006. Epub 2015 Jun 26. PMID: 26778902; PMCID: PMC4685207.
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J Saudi Heart Assoc. 2016 Jan;28(1):22-30. doi: 10.1016/j.jsha.2015.06.006. Epub 2015 Jun 26.

Myocardial function in Saudi adolescents with vitamin D deficiency: Tissue Doppler imaging study.

Journal of the Saudi Heart Association

Mohamed Matter, Enas El-Sherbiny, Atef Elmougy, Mohamed Abass, Sahar Aldossary, Waleed Abu Ali

Affiliations

  1. Pediatric Department, Mansoura University Children Hospital, Mansoura Faculty of Medicine, Mansoura City, Egypt.
  2. Community Medicine Department, Mansoura Faculty of Medicine, Mansoura City, Egypt.
  3. Pediatric Department, Saad Specialist Hospital, Alkhobar, Saudi Arabia.
  4. Pediatric Department, King Fahad University Hospital, Medical College Dammam University, Dammam, Saudi Arabia.

PMID: 26778902 PMCID: PMC4685207 DOI: 10.1016/j.jsha.2015.06.006

Abstract

Vitamin D deficiency is a common health problem in Saudi Arabia especially in children and adolescents. Many studies have reported the relation between low 25-Hydroxyvitamin D (25(OH)D) levels with cardiovascular diseases risk factors as well as cardiovascular events, including stroke, myocardial infarction, and congestive heart failure. This study was conducted to evaluate the effect of 25(OH)D deficiency on the myocardial function and other echocardiographic variables in adolescent, using tissue Doppler imaging (TDI) and to correlate these parameters with 25(OH)D level. The study included 84 healthy adolescents, consecutively selected from adolescents attending the outpatient clinic of Saad Specialist Hospital, KSA between September 2013 and October 2014. The study population was classified into two groups; vitamin D deficient group with 25(OH)D level less than 20 ng/mL and normal vitamin D (control group) with 25(OH)D equal or more than 30 ng/mL. Both groups were subjected to measuring hemoglobin level, serum albumin, creatinine, total calcium, Phosphorous, intact parathyroid hormone (iPTH), B-type natriuretic peptide (BNP), and 25(OH)D levels. Both conventional and pulsed wave TDI were done for all participants. TDI measurements showed significant higher LV Tei Index and RV Tei index when compared to the control group (0.61 ± 0.11 Vs 0.32 ± 0.05 p < 0.0001), (0.54 ± 0.14 Vs 0.40 ± 0.06 p < 0.0001) respectively. Mitral and tricuspid annular systolic velocities were significantly lower in vitamin D deficient group (6.99 ± 1.92 Vs 10.69 ± 0.31 cm/sec p < 0.0001 and 12.30 ± 2.14 Vs 13.89 ± 0.29 p < 0.0001 respectively). The mitral and tricuspid E/Em ratio was significantly higher in vitamin D deficient group than control group (p < 0.0001, p 0.005) respectively. Left ventricular internal diameter at end-diastole (LVIDd) was significantly higher in vitamin D deficient group (44.72 ± 6.33 Vs 40.36 ± 6.21 p 0.003). Serum 25(OH)D level showed significant negative correlation with LV Tei index (r = -0.668, p < 0.0001), RV Tei index (r = -0.421, p < 0.0001). Vitamin D deficiency is associated with subtle systolic and diastolic myocardial dysfunction in Saudi adolescents. TDI is a useful tool for detecting early changes in the myocardium in this particular group.

Keywords: 25-Hydroxyvitamin D; Echocardiography; Myocardial function; Tissue Doppler imaging

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