1.Serum LIFR level and its clinical significance in myocardial infarction patients
Jiangyang DENG ; Yingying GUO ; Yizhou FENG ; Hongxia XIA ; Mengting WANG ; Yuan YUAN
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2025;27(4):459-462
Objective To explore the expression of leukemia inhibitory factor receptor(LIFR)in patients with non-ST-segment elevation myocardial infarction(NSTEMI)and its possible associa-tion with myocardial remodeling.Methods A total of 188 patients with acute myocardial infarc-tion who underwent coronary angiography in our hospital from January 2023 to November 2024 were prospectively enrolled and divided into a control group(94 cases)and an NSTEMI group(94 cases)according to being diagnosed with NSTEMI or not.General clinical data of the patients were collected,and the correlation between serum LIFR level and other indicators was analyzed using linear regression analysis.Results Compared with the control group,the NSTEMI group had significantly higher ratios of smoking history,elevated levels of LIFR,NT-proBNP,cTnⅠ,Cr and UA,increased WBC count,but lower LVEF value[48.94％vs 13.83％,P＜0.01;5.82(4.23,8.11)mmol/L vs 0.97(0.60,1.41)mmol/L,P＜0.01;2.53(1.24,9.71)pg/L vs 0.03(0.02,0.04),P＜0.01;18.57(4.11,250.00)ng/L vs 0.00(0.00,0.00)ng/L,P＜0.01;82.50(68.00,121.25)μmol/L vs 68.50(53.00,88.25)μmol/L,P＜0.01;411.00(349.00,521.25)μmol/L vs 337.00(286.75,406.00)μmol/L,P＜0.01;10.21(8.71,13.09)× 109/L vs 6.22(4.67,7.46)× 109/L,P＜0.01;47.00(38.00,54.00)％vs 59.00(56.00,60.00)％,P＜0.01].Serum LIFR level in the patients was posi-tively correlated with NT-proBNP,cTnⅠ,Cr and WBC count(β=1.403,95％CI:10 597.867-17 327.087,P=0.000;β=0.232,95％CI:114.558-1769.808,P=0.026;β=0.336,95％CI:0.164-0.617,P=0.001).Conclusion LIFR may be involved in the development of myocardial remode-ling and heart failure after myocardial infarction through its role in inflammation.
2.Serum LIFR level and its clinical significance in myocardial infarction patients
Jiangyang DENG ; Yingying GUO ; Yizhou FENG ; Hongxia XIA ; Mengting WANG ; Yuan YUAN
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2025;27(4):459-462
Objective To explore the expression of leukemia inhibitory factor receptor(LIFR)in patients with non-ST-segment elevation myocardial infarction(NSTEMI)and its possible associa-tion with myocardial remodeling.Methods A total of 188 patients with acute myocardial infarc-tion who underwent coronary angiography in our hospital from January 2023 to November 2024 were prospectively enrolled and divided into a control group(94 cases)and an NSTEMI group(94 cases)according to being diagnosed with NSTEMI or not.General clinical data of the patients were collected,and the correlation between serum LIFR level and other indicators was analyzed using linear regression analysis.Results Compared with the control group,the NSTEMI group had significantly higher ratios of smoking history,elevated levels of LIFR,NT-proBNP,cTnⅠ,Cr and UA,increased WBC count,but lower LVEF value[48.94％vs 13.83％,P＜0.01;5.82(4.23,8.11)mmol/L vs 0.97(0.60,1.41)mmol/L,P＜0.01;2.53(1.24,9.71)pg/L vs 0.03(0.02,0.04),P＜0.01;18.57(4.11,250.00)ng/L vs 0.00(0.00,0.00)ng/L,P＜0.01;82.50(68.00,121.25)μmol/L vs 68.50(53.00,88.25)μmol/L,P＜0.01;411.00(349.00,521.25)μmol/L vs 337.00(286.75,406.00)μmol/L,P＜0.01;10.21(8.71,13.09)× 109/L vs 6.22(4.67,7.46)× 109/L,P＜0.01;47.00(38.00,54.00)％vs 59.00(56.00,60.00)％,P＜0.01].Serum LIFR level in the patients was posi-tively correlated with NT-proBNP,cTnⅠ,Cr and WBC count(β=1.403,95％CI:10 597.867-17 327.087,P=0.000;β=0.232,95％CI:114.558-1769.808,P=0.026;β=0.336,95％CI:0.164-0.617,P=0.001).Conclusion LIFR may be involved in the development of myocardial remode-ling and heart failure after myocardial infarction through its role in inflammation.
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