Preoperative Neutrophil Lymphocyte Ratio and Platelet Lymphocyte Ratio Cannot Predict Lymph Node Metastasis and Prognosis in Patients with Early Gastric Cancer:a Single Institution Investigation in China

In the present study,we aimed at exploring the applied value of preoperative neutrophil lymphocyte ratio(NLR)and platelet lymphocyte ratio(PLR)in the prediction of lymph node metastasis(LNM)and prognosis in patients with early gastric cancer(EGC).We retrospectively analyzed a total of 248 consecutive patients who underwent curative gastrectomy to be identified T1 stage gastric adenocarcinoma between January 1,2010 and May 1,2016 in a single institution.According to median preoperative NLR and PLR value,we divided the patients into four groups:high NLR≥1.73 and low NLR〈1.73,high PLR≥117.78 and low PLR〈117.78.Furthermore,to evaluate the relationship between preoperative NLR and PLR values,we categorized patients according to cutoff preoperative NLR-PLR score of 2[high NLR(≥1.73)and high PLR(≥117.78)],1[either high NLR or high PLR],and 0[neither high NLR nor high PLR].Statistical analyses were conducted using SPSS 20.0 software.The results showed that the preoperative NLR or PLR values,lower or higher,could not predict the LNM in patients with EGC(both P=0.5440.05).The invasive depth of tumor was significantly correlated with LNM of EGC(P〈0.001).Kaplan-Meier plots illustrated that preoperative NLR and PLR values were not associated with overall survival(OS)in patients with EGC.It was concluded that the preoperative NLR and PLR may be the predictors for LNM and prognosis in patients with advanced gastric cancer;nevertheless,they cannot predict LNM and prognosis in patients with EGC.

Neutrophil Lymphocyte Ratio as an Inflammatory Marker in Chronic Kidney Disease: Determinants and Correlates

Introduction: Inflammation has been implicated as a major reason for the higher morbidity and mortality in chronic kidney disease (CKD) compared to the diseases that commonly precedes it. The neutrophil lymphocyte ratio (NLR) has increasingly been reported to be a marker of systemic inflammation. We studied the neutrophil lymphocyte ratio and its relationship with kidney function and other markers of inflammation in health and in CKD. Methods: Two hundred and forty four participants in three cohorts: healthy, CKD stage 1 - 2 and, stage 3 - 4, were studied. Data of clinical, NLR, uric acid, urine albumin creatinine ratio (UACR), electrolytes were documented and independent associates of NLR were determined. Results: The NLR was higher in the CKD cohorts, P Conclusion: The NLR as an inflammatory marker is elevated in chronic kidney disease, and increases with disease severity hence it can be a useful tool in determining the presence and severity of inflammation in CKD.

Prognostic value of circulating tumor cells combined with neutrophil-lymphocyte ratio in patients with hepatocellular carcinoma

BACKGROUND Circulating tumor cell(CTC)count and neutrophil-to-lymphocyte ratio(NLR)are both closely associated with the prognosis of hepatocellular carcinoma(HCC).AIM To investigate the prognostic value of combining these two indicators in HCC.METHODS Clinical data were collected from patients with advanced HCC who received im-mune therapy combined with targeted therapy at the Department of Oncology,the Affiliated Hospital of Southwest Medical University,Sichuan,China,from 2021 to 2023.The optimal cutoff values for CTC programmed death-ligand 1(PD-L1)(+)>1 or CTC PD-L1(+)≤1 and NLR>3.89 or NLR≤3.89 were evaluated using X-Tile software.Patients were categorized into three groups based on CTC PD-L1(+)counts and NLR:CTC-NLR(0),CTC-NLR(1),and CTC-NLR(2).The relationship between CTC-NLR and clinical variables as well as survival rates was assessed.RESULTS Patients with high CTC PD-L1(+)expression or NLR at baseline had shorter median progression-free survival(m-PFS)and median overall survival(mOS)than those with low levels of CTC PD-L1(+)or NLR(P<0.001).Mean-while,patients in the CTC-NLR(2)group showed a significant decrease in mPFS and mOS.Cox regression analysis revealed that alpha-fetoprotein(AFP),CTC PD-L1(+),and CTC-NLR were independent predictors of OS.The time-dependent receiver operating characteristic curve showed that the area under the curve of CTC-NLR at 12 months(0.821)and 18 months(0.821)was superior to that of AFP and CTC PD-L1(+).CONCLUSION HCC patients with high CTC PD-L1(+)or NLR expression tend to exhibit poor prognosis,and a high baseline CTC-NLR score may indicate low survival.CTC-NLR may serve as an effective prognostic indicator for patients with advanced HCC receiving immunotherapy combined with targeted therapy.

Predictive Value of the Neutrophil to Lymphocyte Ratio (NLR) to Predict the Development of Preeclampsia and Pregnancy Induced Hypertension at 1st Trimester

Introduction: Hypertensive disorder in pregnancy affects 4 to 6 percent of all pregnancies and carries risks for the both baby and the mother. Only a few groups of women who are at high-risk pregnancies are received prophylaxis Aspirin, more than 15 percent of women develop pre-eclampsia with a single minor risk factor. Methods: This descriptive cross-sectional study was conducted to compare the 1st trimester NLR value of normotensive, pregnancy induced hypertensive and pre-eclamptic pregnant women. The study was conducted with a sample of 416, antenatal patients who were admitted to ward 25, at Colombo North Teaching Hospital Ragama. Data was collected as separated three groups. NLR value was calculated separately and ANOVA test was used to analyze the 3 categorical data. Post HOC test was done to assess the multiple comparison. Results: The prevalence rates of pregnancy induced hypertension and pre-eclampsia among the pregnant women were 8.6% and 5.7%. The mean NLR values of normotensive group was 2.708, pregnancy induced hypertensive group was 2.650 and pre eclamptic group was 3.789. There was a significant difference in NLR value between pre eclamptic group and other two groups with P value of Conclusion: The 1st trimester NLR value of pre eclamptic patients significantly increased compared to normotensive women.

Prognostic Value of Neutrophil to Lymphocyte Ratio in Acute Myeloid Leukemia

Objective: Acute myeloid leukemia (AML) is a heterogeneous, hematologic malignancy at which short survival may be seen. Our study aims to evaluate the effect of the neutrophil-to-lymphocyte ratio (NLR) on the course of the disease, response to therapy, and overall survival (OS). Materials and Methods: A total of 124 patients followed-up with the diagnosis of AML from 2016 to 2019 were retrospectively examined. Results: 69 of the cases (55.6%) were men and 55 (44.3%) were women. The average age at the time of diagnosis was 53.44 ± 30.3 years old. We determined the NLR as median 0.46 (0.16 - 1.1). In AML, 69 patients were responsive to the induction regimen (57.9%) while 46 patients were unresponsive (37.8%). 5 patients died before completing the regimen. D-dimer was found to be higher and fibrinogen was found to be lower in the responsive group. Lower OS was observed in cases of >60 years of age, male gender, non-APL AML, high NLR, and recurrence at diagnosis. Recurrences were detected in 23 patients (18.5%) and the median time to the recurrence was 416 (236 - 639) days. Fibrinogen level and the bone marrow blast ratio at the time of application were determined to be associated with recurrence. The median follow-up time was 856 (143 - 1276) days. Final condition analysis reveals that 74 patients (59.6%) are alive. Conclusion: We determined in our study that the NLR is effective on survival. Medical literature on this subject is scanty and prospective studies with large patient groups are needed.

Can the neutrophil-lymphocyte ratio, platelet-lymphocyte ratio and lymphocyte-monocyte ratio predict active bleeding in patients with upper gastrointestinal bleeding?

Objective:To investigate the relationship between upper gastrointestinal bleeding and neutrophil-lymphocyte ratio(NLR),platelet-lymphocyte ratio(PLR),and lymphocyte-monocyte ratio(LMR),and examine whether they can be used as markers of inflammation.Methods:The retrospective single-center study included a total of 189 patients with upper gastrointestinal bleeding admitted to the tertiary emergency department between January 2018 and January 2019.Besides,59 patients with similar demographic characteristics were selected as the control group.Besides,42 patients with active bleeding and 147 patients without active bleeding were categorized into two groups according to their endoscopy reports.The NLR,PLR,LMR values,potential risk factors,and demographic characteristics were analyzed.Results:The mean NLR levels were found significantly higher in the patient group compared to the control group(P<0.001),whereas the mean LMR levels were significantly lower in the patient group(P<0.001).The mean NLR and PLR levels were significantly higher in patients with active bleeding compared to those without active bleeding(P<0.001),whereas the mean LMR levels were significantly lower(P<0.001)for patients with active bleeding.The optimal cut-off value of NLR was found 2.1 for predicting uppergastrointestinal bleeding,with a sensitivity of 80.2%and specificity of 78.9%(AUC:0.840;P<0.001).Conclusions:NLR was determined to be a parameter that can be used as an indicator of active bleeding in patients with upper gastrointestinal bleeding.

Prognostic Value of Neutrophil to Lymphocyte Ratio for In-hospital Mortality in Elderly Patients with Acute Myocardial Infarction

Coronary artery disease （CAD） is a multifactorial disease in which inflammation plays a central role. This study aimed to investigate the association of inflammatory markers such as the neutrophil to lymphocyte ratio （NLR）, the Global Registry of Acute Coronary Events （GRACE） score with in-hospital mortality of elderly patients with acute myocardial infarction （AMI） in an attempt to explore the prognostic value of these indices for elderly AMI patients. One thousand consecutive CAD patients were divided into two groups based on age 60. The laboratory and clinical characteristics were assessed retrospectively by reviewing the medical records. The NLR and GRACE score were calculated. In the elderly （〉60 years）, patients with non-ST-elevation myocardial infarction （NSTEMI） and ST-elevation myocardial infarction （STEMI） had significantly higher NLR than did those with unstable angina （UA） and stable angina pectoris （SAP） （P〈0.01）. The NLR was considerably elevated in older AMI patients compared with their younger counterparts （〈60 years） （P〈0.05）. In elderly AMI patients, the NLR was considerably higher in the high-risk group than in both the low-risk and mediumrisk groups based on the GRACE score （P〈0.05 and P〈0.01, respectively）, and the NLR was positively correlated with the GRACE score （r=0.322, P〈0.001）. Either the NLR level or the GRACE score was significantly higher in the death group than in the surviving group （P〈0.05）. By curve receiver operator characteristic curve （ROC） analysis, the optimal cut-off levels of 9.41 for NLR and 174 for GRACE score predicted in-hospital death [ROC area under the curve （AUC） 0.771 and 0.787, respectively, P〈0.001]. It was concluded that an elevated NLR is a potential predictor of in-hospital mortality in elderly patients with AMI.

Association between neutrophil-to-lymphocyte ratio and major postoperative complications after carotid endarterectomy:A retrospective cohort study

BACKGROUND Carotid artery cross-clamping during carotid endarterectomy(CEA)may damage local cerebral perfusion and induce cerebral ischemia–reperfusion injury to activate local inflammatory responses.Neutrophil-to-lymphocyte ratio(NLR)is an indicator that reflects systemic inflammation.However,the correlation between NLR and complications after CEA remains unclear.AIM To investigate the association between NLR and major complications after surgery in patients undergoing CEA.METHODS This retrospective cohort study included patients who received CEA between January 2016 and July 2018 at Beijing Tiantan Hospital.Neutrophil and lymphocyte counts in whole blood within 24 h after CEA were collected.The primary outcome was the composite of major postoperative complications including neurological,pulmonary,cardiovascular and acute kidney injuries.The secondary outcomes included infections,fever,deep venous thrombosis,length of hospitalization and cost of hospitalization.Statistical analyses were performed using EmpowerStats software and R software.RESULTS A total of 224 patients who received CEA were screened for review and 206 were included in the statistical analyses;of whom,40(19.42%)developed major postoperative complications.NLR within 24 h after CEA was significantly correlated with major postoperative complications(P=0.026).After confounding factors were adjusted,the odds ratio was 1.15(95%CI:1.03–1.29,P=0.014).The incidence of major postoperative complications in the high NLR group was 8.47 times that in the low NLR group(P=0.002).CONCLUSION NLR is associated with major postoperative complications in patients undergoing CEA.

Neutrophil to lymphocyte ratio and albumin bilirubin grade in hepatocellular carcinoma: A systematic review

BACKGROUND Hepatocellular carcinoma(HCC)is a frequent cause of cancer related death globally.Neutrophil to lymphocyte ratio(NLR)and albumin bilirubin(ALBI)grade are emerging prognostic indicators in HCC.AIM To study published literature of NLR and ALBI over the last five years,and to validate NLR and ALBI locally in our centre as indicators of HCC survival.METHODS A systematic review of the published literature on PubMed of NLR and ALBI in HCC over the last five years.The search followed the guidelines of the preferred reporting items for systematic reviews and meta-analyses.Additionally,we also investigated HCC cases between December 2013 and December 2018 in our centre.RESULTS There were 54 studies describing the relation between HCC and NLR and 95 studies describing the relation between HCC and ALBI grade over the last five years.Our local cohort of patients showed NLR to have a significant negative relationship to survival(P=0.011).There was also significant inverse relationship between the size of the largest HCC nodule and survival(P=0.009).Median survival with alpha fetoprotein(AFP)<10 KU/L was 20 mo and with AFP>10 KU/L was 5 mo.We found that AFP was inversely related to survival,this relationship was not statically significant(P=0.132).Mean survival for ALBI grade 1 was 37.7 mo,ALBI grade 2 was 13.4 months and ALBI grade 3 was 4.5mo.ALBI grades performed better than Child Turcotte Pugh score in detecting death from HCC.CONCLUSION NLR and ALBI grade in HCC predict survival better than the conventional alpha fetoprotein.ALBI grade performs better than Child Turcotte Pugh score.These markers are done as part of routine clinical care and in cases of normal alpha fetoprotein,these markers could give a better understanding of the patient disease progression.NLR and ALBI grade could have a role in modified easier to learn staging and prognostic systems for HCC.

Diagnostic and prognostic significance of the lymphocyte/C-reactive protein ratio,neutrophil/lymphocyte ratio,and D-dimer values in patients with COVID-19

In this study,our aim was to examine the diagnostic and prognostic significance of lymphocyte/C-reactiveprotein ratio(LCR),neutrophil/lymphocyte ratio(NLR)and D-dimer parameters in COVID-19 infection.The LCR,NLR,neutrophil count,mean platelet volume(MPV),C-reactive protein(CRP),and D-dimer parameters wereevaluated retrospectively.This was a retrospective cohort study with 1000 COVID-19 positive and 1000 healthycontrol groups,all over the age of 18 years.Odds ratio(OR)and 95%confidence interval(CI)values were calculatedfor each parameter found to be statistically significant in the univariate and multivariate logistic regression models.Herein,127(12.7%)of the COVID-19^(+)patients,whose data was included in this study,died.The neutrophil,MPV,CRP,D-dimer,and NLR values were higher in the COVID-19^(+)/deceased group than in the COVID-19^(+)/alive andcontrol groups(p<0.001,p<0.001,p<0.001,p<0.001,p<0.001).The lymphocyte and LCR values were lower inthe COVID-19^(+)/deceased group than in the COVID-19^(+)/alive and control groups(p<0.001,p<0.001).Variableswith statistically significance in predicting COVID-19 infection were lymphocyte,LCR,D-dimer,NLR,CRP,MPV,PLT,and neutrophil values.Statistically significant variables in predicting mortality due to COVID-19 were LCR,CRP,NLR,lymphocyte,D-dimer,neutrophil,and MPV values.A low LCR and high NLR are associated with thepresence,prognosis,and mortality due to COVID-19.LCR and NLR parameters can thus be used in clinicalmonitoring to reduce morbidity and mortality rates.

Usefulness of the Pediatric Appendicitis Score and Neutrophil to Lymphocyte Ratio for Assessing the Complicated Appendicitis in Children

Introduction: Acute appendicitis (AA) is a common surgical disease which occurs in almost all age groups, and especially in childhood. Acute appendicitis is one of the most common causes of acute abdomen. The lifetime occurrence of this disease is approximately 7%, with perforation rate of up to 20%. In spite of the well-known classical symptoms and clinical findings of acute appendicitis, early diagnosis can be sometimes challenging. For the treatment of simple appendicitis (SA) in children, the effectiveness of antibiotic treatment has been reported. We aimed to determine predictive value of combination NLR and PAS in pediatric patients with clinical suspicion of acute appendicitis and complicated appendicitis Methods: Our study was performed on 480 children admitted for suspected acute appendicitis and underwent appendectomy at the MNCMCH, Ulaanbaatar Mongolia, between May 2019 and December 2019. White blood count (WBC), Neutrophil, NLR and PAS were compared between groups. Results: The sensitivity, specificity, PPV, NPV of PAS + NLR for differentiating complicated and noncomplicated appendicitis were 86.8%, 89.4%, 92.1% and 76% respectively. The sensitivity, specificity, PPV, NPV of PAS + NLR for diagnosis of acute appendicitis were 90.5%, 68.1%, 97.68% and 32.6% respectively. Conclusion: In the era of conservative antibiotic-based management of uncomplicated acute appendicitis, we advocate that combination of NLR and PAS is a useful aid in predicting complicated appendicitis.

Relationship between peripheral blood neutrophil/lymphocyte ratio and the prognosis of patients with brittle femoral neck fracture

Objective:To explore the relationship between peripheral blood neutrophil/lymphocyte ratio(NLR)and osteoporotic femoral neck fractures and to evaluate the prognosis.Methods:The subjects were 102 patients who received osteoporotic femoral neck fracture in the First Affiliated Hospital of Guangzhou University of Chinese Medicine from 2008 to 2017.Patients were divided into three groups according to the BMD values in the diagnostic criteria of primary osteoporosis:normal bone mass group(T≥-1.0),reduced bone mass group(-2.5<T<-1.0)and osteoporosis group(T≤-2.5).In addition,during postoperative follow-up,patients receiving internal fixation were divided into the high NLR group(NLR>2.33)and the low NLR group(NLR≤2.33)according to their NLR values.The clinical data of patients with osteoporotic femoral neck fracture who underwent peripheral blood routine examination were prospectively analyzed.The statistical indicators included age,gender,fracture cause and other general conditions,fracture type,peripheral blood neutrophil/lymphocyte ratio,bone mineral density(BMD)level and blood lipid level,and prognosis of 102 patients who were followed up for more than 2 years after surgery.The relationship between peripheral blood NLR and the above indexes was observed.Statistical methods including normal data analysis of variance between groups,SNK-q test is compared between two groups,the partial correlation analysis between the two factors,the relationship between multiple factors using multi-factor linear regression analysis,and normal data comparison between the two groups using t test,two sets of independent data frequency distribution of binary classification variables compared by chi-square test.Moreover,NLR is also a major factor affecting the prognosis and rehabilitation of osteoporotic femoral neck fractures.Results:The analysis of variance between the two groups(SNK-q test of the comparison between the two groups),single-factor partial correlation analysis,multi-factor linear regression analysis showed that compared with the normal group and the reduced group,the levels of age,triglyceride and NLR in the osteoporosis group were increased,while BMD was significantly decreased.BMD in patients with osteoporotic femoral neck fracture was negatively correlated with NLR and triglyceride(P<0.05).In multi-factor linear regression analysis,NLR and triglyceride were the main influencing factors of BMD in patients with osteoporotic femoral neck(P<0.05).In addition,increased peripheral blood NLR in patients treated with internal fixation may increase the risk of postoperative femoral head necrosis,nonunion of the broken end of the fracture,and prolong the time of postoperative functional recovery.Conclusion:The level of peripheral blood NLR in patients with osteoporotic femoral neck fracture is increased and correlated with bone mineral density,which suggested that peripheral blood NLR can be used as one of the clinical indicators for early screening and prevention of osteoporotic femoral neck fracture.In addition,peripheral blood NLR is also a major factor affecting the prognosis and rehabilitation of osteoporotic femoral neck fractures.

Neutrophil to Lymphocyte Ratio in Acute Ischemic Stroke

Introduction: The neutrophil to lymphocyte ratio (NLR) can be used as a marker of subclinical inflammation, and may have a predictive power in prognosis and severity of atherosclerosis-related diseases. This study aimed to assess an association between the NLR, and clinical characteristics and one-month outcome in acute ischemic stroke (AIS). Subjects and Methods: This case-control observational prospective study included 75 patients admitted to stroke unit of Ain Shams University hospitals with AIS, sub grouped into 3 equal groups according to subtype of AIS, in addition to 25 healthy individuals. The demographic characteristics of the patients, complete blood picture test results at presentation, National Institutes of Health Stroke Scale (NIHSS) scores and modified Rankin Scale (mRS) scores were recorded. The clinical outcome was assessed by the NIHSS and mRS scores after one month. Results: The total leucocyte count was significantly higher in large artery atherosclerosis (P = 0.004) and cardioembolic (P = 0.020) stroke groups, unlike lacunar stroke group (P = 0.082), when compared to controls. The neutrophils count was higher (P < 0.001) and the lymphocyte count was lower (P < 0.001) among all the stroke groups compared to the control group. The NLR was higher among all the stroke groups compared to the control group (P < 0.001). The NLR at cutoff value more than 1.34 had predicted stroke with a sensitivity of 89.33% and specificity of 72% and accuracy reached 88.6%. There was non-significant association between NLR and each of NIHSS and mRS after one month from onset of AIS. Conclusion: NLR was significantly higher among AIS subtypes compared to controls, but not a good predictor for one month outcome.

Relationship of inflammatory indices with left atrial appendage thrombus or spontaneous echo contrast in patients with atrial fibrillation

BACKGROUND Inflammatory indices derived from complete blood tests have been reported to be associated with poor outcomes in patients with atrial fibrillation(AF).The data about the relationship between inflammatory indices and left atrial appendage thrombus(LAAT)or dense spontaneous echo contrast(SEC)are limited.AIM To explore the value of inflammatory indices for predicting the presence of LAAT or dense SEC in nonvalvular AF patients.METHODS A total of 406 patients with nonvalvular AF who underwent transesophageal echocardiography were included and divided into two groups based on the presence(study group)or absence(control group)of LAAT or dense SEC.Inflammatory indices,including the neutrophil-to-lymphocyte ratio(NLR),platelet–tolymphocyte ratio(PLR),and lymphocyte-to-monocyte ratio(LMR),were calculated from complete blood analysis.The associations of inflammatory indices RESULTS LAAT and dense SEC were detected in 11(2.7%)and 42(10.3%)patients,respectively.The PLR only showed an association with LAAT/dense SEC in the univariate model.Elevated NLR(odds ratio[OR]=1.48,95%confidence interval[CI]:1.11-1.98,P=0.007)and reduced LMR(OR=0.59,95%CI:0.41-0.83,P=0.003)were found to be independent risk factors for the presence of LAAT/dense SEC.The areas under the NLR and LMR curves for predicting LAAT/dense SEC were 0.73(95%CI:0.66-0.80,P<0.001)and 0.73(95%CI:0.65-0.81,P<0.001),respectively,while the cutoff values were 2.8(sensitivity:69.8%;specificity:64.0%)and 2.4(sensitivity:71.7%;specificity:60.6%),respectively.CONCLUSION Increased NLR and decreased LMR may predict LAAT/dense SEC in patients with nonvalvular AF.

The Clinical Value of NLR, D-D and CRP/ALB Ratio in the Diagnosis of Pulmonary Thromboembolism

Objective: To evaluate the clinical diagnostic value of C-reactive protein/albumin ratio (CAR), neutrophil/lymphocyte ratio (NLR) and D-dimer (D-D) in patients with pulmonary thromboembolism (PTE). Methods: We conducted a retrospective analysis comparing hematology and coagulation in 362 PTCA-confirmed PTE patients with the control group and analyzing their relationships with CAR, NLR, and D-D. Receiver operating characteristic curve (ROC) was used to analyze the diagnostic threshold, area under the curve (AUC), diagnostic sensitivity and specificity of CAR, NLR and D-D for PTE. Results: 1) CAR, NLR and D-D levels in PTE patients were 2.13 ± 2.08, 8.96 ± 1.94 and 9.69 ± 8.61 respectively, significantly higher than those in control group (CAR = 0.03 ± 0.01, t = 20.7736, P < 0.01;NLR = 1.76 ± 0.53, t = 2.4281, P < 0.05 and PTE = 0.20 ± 0.11, t = 3.0066, P < 0.01 respectively). 2) NLR was positively correlated with CAR (r = 0.2111, t = 4.0971, P < 0.01) and D-D (r = 0.1065, t = 2.0481, P < 0.05), but CAR was not correlated with D-D (r = 0.0975, P > 0.05). 3) The levels of HB, LY, PLT and AT in PTE patients were significantly lower than those in control group, while WBC, NE and FB were significantly higher than those in control group. 4) CAR was negatively correlated with Hb and AT (P all < 0.01), but positively correlated with WBC, NE, MO and FB (P all < 0.01). NLR was negatively correlated with LY and AT (P all < 0.01), but positively correlated with WBC, NE and FB (P all < 0.01). DD was negatively correlated with Hb and PLT (P all < 0.05), but positively correlated with WBC, NE and MO (P all < 0.01). Conclusion: The levels of Hb, LY, PLT and AT were significantly decreased in PTE patients, while WBC, NE and FB were significantly increased. CAR, NLR and D-D were highly expressed in PTE patients, and were closely correlated with Hb, AT and FB. Combined detection of CAR, NLR and D-D can improve the diagnostic value of PTE.

Association of neutrophil/lymphocyte ratio with long-term mortality after ST elevation myocardial infarction treated with primary percutaneous coronary intervention

Background Primary percutaneous coronary interventions （PCI） have been proposed as a novel superior management strategy in patients with ST elevation myocardial infarction （STEMI）. This study tested the hypothesis that in the acute phase of myocardial infarction with ST-segment elevation, the neutrophil/lymphocyte （N/L） ratio is a predictor of long-term prognosis.Methods We analyzed 551 consecutive STEMI patients treated with primary PCl at a single university center. Patients were stratified according to quartiles of the mean neutrophil/lymphocyte ratio.Results Kaplan-Meier survival analysis showed a cumulative eight-year survival of 94.2% in the first quartile, 92.0% in the second quartile, 91.3% in the third quartile, and 75.4% in the fourth quartile （P ＜0.001 by log rank）. Relative to patients in the other three lower N/L ratio quartiles, patients in the highest quartile were more than four times more likely to die during hospitalization （P ＜0.001） and during long-term follow-up （P ＜0.001）. By multivariate Cox regression analysis including baseline demographic, clinical, and angiographic covariables, the N/L ratio in the highest quartile remained an independent predictor of mortality （hazard ratio 2.38, 95% confidence interval （CI） 1.42 to 3.98; P=0.001）.Conclusion The neutrophil/lymphocyte ratio is a strong independent predictor of long-term mortality after ST elevation myocardial infarction treated with very early revascularization.

Prognostic significance of neutrophil to lymphocyte ratio in patients with hepatocellular carcinoma after transcatheter arterial chemoembolization

Background Accumulating evidence indicates that systemic inflammation response is associated with the prognosis of various cancers. The aim of this study was to investigate the neutrophil-lymphocyte ratio （NLR）, which is one of the systemic inflammation markers, in the prognosis of hepatocellular carcinoma （HCC） after treatment of transcatheter arterial chemoembolization （TACE）. Methods The clinical data of 178 HCC patients who received TACE were retrospectively analyzed. The optimal NLR cutoff was determined according to the receiver operating characteristic （ROC） analysis. All patients were divided into NLR-normal group and NLR-elevated group according to the cutoff, and the clinical features of these two groups were comparatively analyzed. Meanwhile, the overall survival and disease free survival （DFS） were analyzed using the Kaplan- Meier method. The risk factors of postoperative survival were investigated using univariate and multivariate Cox regression analyses. Results The optimal NLR cutoff was defined at 1.85 and 42 （23.6%） patients had an elevated NLR （NLR〉1.85）. The median survival time was 9.5 months （range 1-99 months）. The clinical data between the two groups were comparable, except for a-fetoprotein. Follow-up results showed that the median survival of patients with normal NLR was 17.5 months （range： 1-99 months） compared with 8 months （range： 8-68 months） of patients with elevated NLR. The 1, 3 and 5-year overall survival of patients in the NLR-normal group and NLR-elevated group were 57.3%, 44.1%, and 27.2% and 42.1%, 19.6%, and 9.5% respectively 0（2=194.2, P 〈0.001）. Similarly, the disease free survival also has a significant difference 0（2=39.3, P 〈0.001）. Multivariate Cox regression analysis showed that a high NLR was an independent factor affecting the survival rate of HCC after TACE （P=0.04）. Conclusion Preoperative NLR was an important prognostic factor to predict the prognosis of patients with intermediate HCC treated with TACE.

Therapeutic Effect of Daphnetin on Mastitis Induced by Staphylococcus aureus in Mice

[Objectives]To observe the effects of daphnetin on mastitis induced by Staphylococcus aureus in mice.[Methods]18 postpartum ICR female mice were used to establish mastitis animal model,and were randomly divided into three groups(A,B,and C)with 6 mice in each group.Group A:blank control group;group B:S.Aureus model group;group C:S.Aureus model+daphnetin group.The experimental groups were injected 1 mL of 1.0×104 CFU/100μL of S.aureus of along the nipple catheter.The suspension was placed in the 3 rd and 4 th pairs of mammary glands,and the control group was injected with the same dose of normal saline.On the second day after infection,the rats in group A,B and C were given drugs by gavage,while the rats in group A and B were given normal saline and the rats in group C were given daphnetin once a day for 6 consecutive days.Blood samples were collected from living eyeballs,and blood cells were analyzed by automatic flow cytometer after anticoagulation.[Results]The NLR and Systemie Immune Inflammati-on Index(SII)in the blood of mastitis mice induced by S.aureus were significantly higher than those in the control group(P<0.01),suggesting that neutrophil to lymphocyte ratio(NLR)and SII can be used as diagnostic indicators of mastitis,and the levels of NLR and SII decreased significantly after daphnetin intervention.[Conclusions]NLR and SII showed high levels in mastitis mice,which are valuable for the diagnosis of mastitis and the evaluation of its prognosis.After the intervention of daphnetin,both of them decreased significantly,indicating that daphnetin has a good prognosis trend in mastitis mice induced by S.aureus.

Evaluation of the neutrophil to lymphocyte ratio in newly diagnosed nondiabetic hypertensive patients with carotid atherosclerosis

Background Carotid intimal thickness(IMT),a marker of subclinical atherosclerosis,was widely used for predicting cardiovascular events. Recent studies have shown that inflammation plays a vital role in the development and progression of atherosclerosis. The neutrophil to lymphocyte ratio(NLR)is a new marker of inflammation because it is closely related to cardiovascular,metabolic and inflammatory diseases. However,the relationship between NLR and carotid atherosclerosis is currently unknown. Methods A total of 882 patients underwent blood sampling for neutrophil and lymphocyte counts,serum lipids,total homocysteine(tHcy),and carotid scan by ultrasonography(US)to evaluate abnormalities of carotid wall. Results NLR was found to be statistically significantly higher in the carotid atherosclerosis group(2.0±0.8 vs. 1.7±0.6,P<0.001). The NLR,expressed as both quartiles(odds ratio[OR],2.36;95% confidence interval[CI],1.37 to 3.47;P=0.001)and continuous values(OR,1.83;95% CI,1.43 to 2.33;P<0.001),was significantly associated with a higher risk for carotid atherosclerosis. The optimal NLR cutoff value for detecting carotid atherosclerosis was 1.60 based on receiver operating curve(ROC)analysis with a sensitivity of 64.0% and a specificity of 57.0%. Conclusion NLR is significantly associated with carotid atherosclerosis in newly diagnosed nondiabetic hypertensive patients.

Value of neutrophil/lymphocyte ratio,N-terminal pro-B-type natriuretic peptide,urea,and creatinine for the prediction of acute kidney injury in acute heart failure:a retrospective observational study

Objective:Early identification of acute kidney injury(AKI)is essential to improve the prognosis of patients with acute heart failure(AHF).We aimed to determine the utility of neutrophil/lymphocyte ratio(NLR),N-terminal prohormone of brain natriuretic peptide(NT-proBNP),urea,and creatinine(Cr),as well as combinations of these,for the prediction of AKI in patients with AHF.Methods:A total of 153 patients with AHF under the care of Sun Yat-sen Memorial Hospital,Sun Yat-sen University from October 2009 to October 2019 were included in this retrospective observational study.Their NLR,NT-proBNP,urea,and Cr concentrations were measured on admission.AKI was defined using the Acute Kidney Injury Network criteria.Receiver operating characteristic(ROC)curves,the areas under the curves(AUCs),sensitivity,and specificity were employed to evaluate the ability of each biomarker and their combinations to identify AKI.This study was approved by the Ethics Committee of Sun Yat-sen Memorial Hospital,Sun Yat-sen University(approval No.SYSEC-KY-KS-2021-126)on June 22,2021.Results:Forty-six(30.1%)participants developed AKI during hospitalization.The NLR and NT-proBNP of the participants with AKI were higher than those without(NLR:median 7.886 vs 4.717,P<0.0001;NT-proBNP,median 6774 vs 2786pg/mL,P<0.0001).ROC analyses demonstrated that high NLR and NT-proBNP were associated with higher incidences of AKI(NLR:cut-off 5.681,AUC 0.716,sensitivity 58.9%,specificity 80.4%;NT-proBNP:cut-off 5320pg/mL,AUC 0.700,sensitivity 72.9%,specificity 65.2%).Moreover,a combination of NLR,NT-proBNP,urea,and Cr yielded an AUC of 0.815,sensitivity 80.4%,and specificity of 74.8%.In addition,the AUCs for the prediction of AKI in the participants with New York Heart Association(NYHA)classes II,III,and IV were 0.936,0.860,and 0.772,respectively,using this combination.Conclusion:A combination of NLR,NT-proBNP,urea,and Cr,measured at admission,may represent a promising tool for the prediction of AKI in patients with AHF.This method performs best for AKI risk assessment in patients with NYHA II,followed by those with NYHA III or IV.