To investigate the value of plasma placental growth factor (PlGF) in percutaneous coronary angioplasty and stent implantation. Methods From May 2006 to March 2007, 61 patients (53 males and 8 females, mean age61 years) and 28 normal controls were included. All patients present with acute chest pain and underwent coronary angiography, the lesion severity of coronary arteries was assessed by Gensini coronary scoring system. Of them, 26 patients having serious coronary lesion underwent (percutaneous transluminal coronary angioplasty, PTCA) and stent implantation. Cardiovascular events were recorded after 30 days. Plasma PlGF was determined by ELISA. Results According to the angiography, the patients could be divided into CAD group (n=45) and Non- CAD group (n=16). Plasma PlGF level in CAD group was significantly higher than that in Non-CAD group and control group [(10.70 ± 0.49) ng/L vs (4.53 ± 0.64) ng/L vs (3.64 ± 0.36) ng/L, P lt; 0.001)], and there was no significant difference between the non-CAD group and control group (P gt; 0.05). A significant positive correlation was found between Gensini coronary score and plasma PlGF level (r=0.918, P lt; 0.01). Moreover, patients with cardiovascular events had a higher PlGF level than those without cardiovascular events after PTCA and stent implantation [(13.98 ± 3.39) ng/L vs (7.25 ± 2.96) ng/L, P lt; 0.01)]. Conclusion PlGF level has diagnostic value in patients with acute chest pain. The measurement of plasma PlGF might be helpful for early diagnosis of coronary artery disease. Patients with higher plasma PlGF level may have more severe coronary lesion. PlGF may be one of predictors for cardiovascular events after PCI.
Objective To investigate the correlation between plasma aminoterminal pro-B-type natriuretic peptide (NT-proBNP) level and severity of coronary artery lesions in patients with non-ST segment elevation myocardial infarction (NSTEMI). Methods NSTEMI patients presenting to the Emergency Department and Department of Cardiology from January 2013 to March 2017 were divided into four groups: thrombosis without stenosis, single vessel disease, double vessel diseases, and three vessel diseases. The general situation of the patients, the plasma NT-proBNP, troponin T, echocardiogram and coronary angiography results were analyzed. Results A total of 88 patients were included including 6 in thrombosis without stenosis group, 20 in single vessel disease group, 31 in double vessel diseases group, and 31 in three vessel diseases group. The NT-proBNP level, left ventricular ejection fraction, left ventricular end diastolic diameter, and coronary Gensini score in three vessel diseases group differed much from those in the other groups (P<0.05). The correlation of NT-proBNP with coronary Gensini score in all the patients was positve (t=0.663, P<0.05). Conclusion The level of plasma NT-proBNP in patients with NSTEMI is related to the severity of coronary artery disease.