Assessment left and right ventricular functions by cine magnetic resonance imaging in healthy volunteers / 中华心血管病杂志

<p><b>OBJECTIVE</b>Left and right ventricular functions were assessed by cine MR imaging in comparison with echocardiography in healthy volunteers.</p><p><b>METHODS</b>A total of 36 healthy volunteers were examined with breath-hold true FISP cine MR imaging sequence and amended localize methods for left and right ventricular functions. Echocardiography (echo) was also performed in these volunteers.</p><p><b>RESULTS</b>(1) left ventricular global function parameters obtained by MR were as follows: EDV (101.3 +/- 19.2) ml, ESV (42.1 +/- 13.3) ml, SV (69.2 +/- 9.8) ml, EF (59.1 +/- 7.2)%; Right ventricular global function as follows: EDV (118.9 +/- 27.1) ml, ESV (57.6 +/- 16.1) ml, SV (61.2 +/- 12.7) ml, EF (51.9 +/- 4.5)%. (2) EDV measured by MR and echo was similar and ESV measured by MR was significantly higher and the rest parameters were lower than that by echo. There was a good correlation (r = 0.66 - 0.80, P < 0.05) on all parameters obtained by MR and echo.</p><p><b>CONCLUSION</b>The present study suggests that cine MR imaging is well applicable to left and right ventricular function and RV volume measurements.</p>

A preliminary study of the relationship of MR delayed enhancement with cardiac troponin Ⅰ in hypertrophic cardiomyopathy / 中华放射学杂志

Objective To study the relationship of MR delayed enhancement with cardiac troponin I in hypertrophic cardiomyopathy(HCM)and to evaluate their values on assessing HCM condition and prognosis.Methods Thirty-five HCM patients who were diagnosed by echocardiography were enrolled.All patients were performed MR scan and cTn Ⅰ test of blood.The relationships of MR delayed enhancement, myocardial hypertrophy and cTn Ⅰ were analyzed.Results(1)DE was found in 25 of total 35 HCM patients(71.4%).19 of 35 HCM patients(54.3%)had abnormal increased eTn Ⅰ value.The medians of cTn Ⅰ in patients with DE and without DE(110,5 ?g/ml,respectively)had statistics significance (P