目的 分析TIMELESS、鼠肉瘤病毒家族相关蛋白2A（RAB2A）、异常纺锤体样小头畸形相关基因（ASPM）在乳腺癌组织中的表达及与临床特征相关性。方法 选取2019年2月—2021年2月我院乳腺癌组织标本84例作为研究组、正常乳腺组织标本53例作为对照组,采用荧光定量聚合酶测定TIMELESS、ASPM,采用Western blot检测RAB2A蛋白表达情况,分析上述三个指标在乳腺癌中表达及与临床特征相关性。结果 对比对照组,研究组TIMELESS、ASPM表达较高,RAB2A较低（P<0.05）。TIMELESS、RAB2A、ASPM与乳腺癌淋巴结浸润、TNM分期、分化程度相关（P<0.05）。TIMELESS、RAB2A、ASPM为影响乳腺癌发生的危险因素（P<0.05）。TIMELESS、RAB2A负相关（r=-0.383、P=0.001）;TIMELESS、ASPM正相关（r=0.397、P=0.001）;RAB2A、ASPM负相关（r=-0.257、P=0.018）。对比TIMELESS、RAB2A、ASPM单一检测,三者联合检测对乳腺癌的诊断价值较高（P<0.05）。结论 乳腺癌患者TIMELESS、ASPM呈高表达,RAB2A呈低表达,上述三个指标与乳腺癌高度相关,可作为乳腺癌发生的检测指标。

Objective To analyze the expression of TIMELESS,murine sarcoma virus family related protein 2A（RAB2A）and abnormal spindle like microcephaly related gene（ASPM）in breast cancer tissues and their correlation with clinical features．Methods A total of 84 breast cancer tissue samples from our hospital from February 2019 to February 2021 were selected as the study group and 53 normal breast tissue samples were selected as the control group．Time,ASPM and RAB2A protein expression were determined by fluorescent quantitative polymerase,and RAB2A protein expression was detected by Western blot．The expression of the above three indicators in breast cancer and their correlation with clinical characteristics were analyzed．Results Compared with the control group,the study group had higher TIMELESS and ASPM expression levels and lower RAB2A level（P<0.05）．TIMELESS,RAB2A and ASPM expressions were correlated with lymph node infiltration,TNM stage and differentiation of breast cancer（P<0.05）．TIMELESS,RAB2A and ASPM were the risk factors of breast cancer（P<0.05）．TIMELESS and RAB2A were negatively correlated（r=-0.383,P=0.001）;TIMELESS and ASPM were positive correlated（r=0.397、P=0.001）;RAB2A and ASPM were negatively correlated（r=-0.257,P=0.018）．Compared with the single detection of TIMELESS,RAB2A and ASPM,the combined detection had higher diagnostic value for breast cancer（P<0.05）．Conclusions Patients with breast cancer had high expression of TIMELESS and ASPM,and low expression of RAB2A．The above three indicators were highly correlated with breast cancer and can be detection indicators for breast cancer．

目的 探讨消肿化瘀膏治疗骨性关节炎的临床疗效。方法 选择2017年5月—2022年1月在本院诊治的骨性关节炎患者124例作为研究对象,根据简单分配原则把患者分为消肿化瘀膏组与传统药物组各62例。传统药物组给予传统药物治疗,消肿化瘀膏组给予消肿化瘀膏治疗,判定2组患者治疗总显效率、疼痛评分、关节评分、血清中炎症因子水平变化。结果 消肿化瘀膏组治疗后的总显效率为98.4%,高于传统药物组的83.9%（P<0.05）。治疗后,2组的疼痛评分都低于治疗前（P<0.05）,且消肿化瘀膏组低于传统药物组（P<0.05）。2组治疗后的关节评分都高于治疗前（P<0.05）,且消肿化瘀膏组与传统药物组相比升高（P<0.05）。2组治疗后的血清白介素-1β、白介素-6水平都低于治疗前（P<0.05）,且消肿化瘀膏组较传统药物组降低更多（P<0.05）。结论 消肿化瘀膏治疗骨性关节炎能有效抑制血清炎症因子的表达,缓解疼痛,改善关节功能,提高患者的总体治疗效果。

Objective To explore the clinical efficacy of Xiaozhonghuayu ointment in the treatment of osteoarthritis．Methods From May 2017 to January 2022,124 patients with osteoarthritis who diagnosed and treated in our hospital were selected as the research subjects．According to the simple allocation principle,the patients were divided into the Xiaozhonghuayu ointment group and the traditional medicine group with 62 cases each．The traditional medicine group was treated with traditional medicine,and the Xiaozhonghuayu ointment group was treated with Xiaozhonghuayu ointment．The total therapeutic efficiency,pain score,joint score,and the changes of serum inflammatory factors were compared in the two groups．Results The total efficiency of Xiaozhonghuayu ointment group after treatment were 98.4%,which were higher than 83.9% in the traditional medicine group（P<0.05）．The pain scores in both groups after treatment were lower than those before treatment（P<0.05）,and that in the Xiaozhonghuayu ointment group were lower than the traditional medicine group（P<0.05）．The joint scores of the two groups after treatment were higher than those before treatment（P<0.05）,and that in the Xiaozhonghuayu ointment group were higher than the traditional medicine group（P<0.05）．After treatment,the levels of serum interleukin-1β and interleukin-6 in the two groups were significantly lower than those before treatment（P<0.05）,compared with the traditional medicine group,those levels in the Xiaozhonghuayu ointment group also decreased significantly after treatment（P<0.05）．Conclusions Xiaozhonghuayu ointment in the treatment of osteoarthritis can effectively inhibit the expressions of serum inflammatory factors,promote pain relief,improve joint function,and improve the overall therapeutic effect of patients．

目的 分析新生儿无乳链球菌（B族链球菌,GBS）败血症的临床特点、围产期高危因素及预后,提高临床对GBS败血症的认识。方法 选择21例GBS败血症新生儿（收集病例时间为2018年2月—2021年11月）,采用回顾性调查法分析临床资料;对新生儿临床资料、实验室检查、影像学资料进行统计和对比,分析临床特征,同时比较患儿合并症情况及评估治疗预后结果等。结果 GBS败血症新生儿中早发型（90.48%）明显高于迟发型（9.52%）,P<0.05;GBS败血症新生儿主要症状表现为发热、发绀、气促、呻吟、抽搐等,以气促、呻吟为主;通过实验室检查,发现患儿普遍存在C反应蛋白、降钙素原、白细胞计数等指标异常情况;经头颅MRI检查提示蛛网膜下腔出血6例;X线提示新生儿吸入性综合征6例、双肺新生儿肺炎4例;部分患儿存在合并症,其中1例合并脑膜炎、3例合并蛛网膜下腔出血、4例合并黄疸、2例合并新生儿低血糖;所有患儿接受抗菌药物治疗,以青霉素、头孢他啶为主,平均住院时间（14.86±2.33）d,治愈19例（占比90.48%）、1例患儿好转后家属要求签字出院,1例家属要求转上级儿童医院。结论 新生儿无乳链球菌败血症有早发型和迟发型之分,两者的临床表现及特征有明显差异,该病病情较凶险,临床需高度重视本病的防治工作,早期诊断及时治疗干预,以提高新生儿预后。

Objective To analyze the clinical characteristics,perinatal high-risk factors and prognosis of neonatal Streptococcus agalactiae（group B Streptococcus,GBS）sepsis,and to improve the clinical understanding of Streptococcus agalactiae sepsis．Methods Twenty-one newborns with GES sepsis were selected（the cases were collected from February 2018 to November 2021）,and the clinical data were analyzed by retrospective investigation．The clinical data,laboratory examination and imaging data of newborns were summarized and compared,and the clinical characteristics were analyzed．At the same time,the complications of children were compared and the prognosis of treatment was evaluated．Results In newborns with GBS sepsis,the early-onset rate（90.48%）was significantly higher than the late-onset（9.52%）,P < 0.05．The main symptoms of newborns with GBS sepsis were shortness of breath,moaning,fever,cyanosis,convulsions,etc．Through laboratory examination,it was found that there were common abnormalities in C-reactive protein,procalcitonin,leukocyte count and other indicators in children．Transcranial MRI results showed 6 cases with subarachnoid hemorrhage;X-ray showed 6 cases with neonatal aspiration syndrome and 4 cases with both lungs neonatal pneumonia．Some children had complications,including 1 case with meningitis,3 cases with subarachnoid hemorrhage,4 cases with jaundice,and 2 cases with neonatal hypoglycemia．All children were treated with antibiotics,mainly penicillin and ceftazidime．The average hospital stay was（14.86 ± 2.33）days,and 19 cases were cured（accounting for 90.48%）．One case of the child's family member asked to sign and leave the hospital after improvement,and one case of the family member asked to be transferred to a superior children's hospital．Conclusions Neonatal Streptococcus agalactiae sepsis can be divided into early-onset and late-onset type．There are significant differences in clinical manifestations and characteristics between them．The disease is dangerous,clinical attention should be paid to the prevention and treatment of the disease,early diagnosis and timely treatment and intervention,so as to improve the prognosis of newborns．

目的 探讨进食时机对尿毒症血液透析患者的影响,为临床上此类研究提供参考依据。方法 选取2018年5月—2020年5月于我院进行血液透析的患者42例,根据自身随机对照法分为A组（n=21）和B组（n=21）。A组患者前六次在血液透析1.5 h时进食,后六次在血液透析2.5 h时进食;B组患者前六次在血液透析2.5 h时进食,后六次在血液透析1.5 h时进食。观察比较1.5 h和2.5 h进食的患者在血液透析前以及血液透析中不同时间点的血压和血糖。结果 2组患者在不同时间点的血压值和低血压发生率比较差异无统计学意义（P>0.05）;血液透析1.5 h进食患者在透析2 h和3 h时血糖值明显高于2.5 h进食患者,比较差异具有统计学意义（P<0.05）;血液透析1.5 h进食的患者在透析2 h时低血糖的发生率显著低于2.5 h进食患者,差异具有统计学意义（P<0.05）。结论 对尿毒症血液透析患者来说,于血液透析1.5 h进食能够有效降低患者低血压和低血糖的发生几率。

Objective To discuss the influence of eating timing on uremic hemodialysis patients,and to provide a reference for this kind of clinical research．Methods A total of 42 patients undergoing hemodialysis were selected in our hospital from May 2018 to May 2020 and were divided into group A（n=21）and group B（n=21）according to self randomized control method．Patients in group A ate at 1.5 hour of hemodialysis for the first six times,and at 2.5 hour of hemodialysis for the last six times;patients in group B ate at 2.5 hour of hemodialysis for the first six times,and at 1.5 hour of hemodialysis for the last six times．Observed and compared the blood pressure and blood sugar of patients who eat at 1.5 hour and 2.5 hour before hemodialysis and at different time points during hemodialysis．Results There were no significant differences in blood pressure and the incidence of hypotension between the two groups of patients at different time points（P>0.05）;the blood glucose levels at 2 and 3 hour of the patients who ate at 1.5 hour of hemodialysis was significantly higher than that of the patients who ate at 2.5 hour,and the difference was statistically significant（P<0.05）;the incidence of hypoglycemia at 2 hour of hemodialysis in patients who ate at 1.5 hour was significantly lower than that of patients who ate at 2.5 hour,and the difference was statistically significant（P<0.05）．Conclusions For uremic hemodialysis patients,eating at 1.5 hour of hemodialysis could effectively reduce the incidence of hypotension and hypoglycemia．

目的 探讨桥小脑角肿瘤微创切除术中应用神经内镜对其功能恢复及预后的影响,以便临床寻找出更有效的治疗方案,进而改善患者预后。方法 本次研究对象为赣州市人民医院2017年6月—2022年1月收治的82例桥小脑角肿瘤患者,用随机数字表法将其分为对照组（41例）和实验组（41例）。对照组患者给予常规显微手术治疗,实验组患者给予神经内镜辅助常规显微手术治疗,2组患者均于术后观察8周。比较2组患者肿瘤全切率,手术时间、住院时间及住院费用,术前及术后2、4、8周格拉斯哥预后量表（GOS）评分,以及术后8周内并发症发生情况。结果 肿瘤全切率：实验组患者术后8周（90.24%）与对照组（73.17%）相比,处于更高水平;手术时间、住院时间：实验组患者与对照组相比,处于更短水平;GOS评分：术前至术后2周,2组患者评分均呈下降趋势,术后2周至8周,2组患者评分呈升高趋势,其中实验组术后2、4、8周与对照组相比,处于更高水平,差异有统计学意义（P<0.05）;并发症总发生率：术后8周内,实验组患者（4.88%）与对照组（17.07%）相比,差异无统计学意义（P>0.05）。结论 桥小脑角肿瘤微创切除术中应用神经内镜,可有效缓解患者的临床症状,优化手术相关指标,减轻神经功能受损,提高肿瘤全切率,改善预后,且安全性高。

Objective To investigate the effect of neuroendoscope on functional recovery and prognosis of patients with cerebellopontine angle tumor after microinvasive resection,so as to find out more effective treatment and improve the prognosis of patients．Methods The subjects were 82 patients with cerebellopontine angle tumors admitted to Ganzhou People's Hospital from June 2017 to January 2022．They were divided into control group（n = 41）and experimental group（n = 41）by random number table method．Patients in the control group were treated with conventional microsurgery,while patients in the experimental group were treated with neuroendoscope assisted conventional microsurgery．All patients were observed for 8 weeks after operation．The total tumor resection rate,operation time,hospitalization time,hospitalization expense,Glasgow Outcome Scale（GOS）score before and 2,4,8 weeks after operation,and complications within 8 weeks after operation were compared between the two groups．Results Compared with the control group（73.17%）,the patients in the experimental group had a higher resection removal rate of tumor after 8 weeks of operation（90.24%）．Patients in the experimental group had a shorter operation time and hospital stay than those in the control group．From pre-operation to 2 weeks after operation,the GOS scores of patients in both groups showed a downward trend,and from 2 weeks to 8 weeks after operation,the scores of patients in both groups showed an upward trend,and the patients in the experimental group were at a higher level than those in the control group at 2,4,8 weeks after operation,the difference were statistically significant（P < 0.05）．Within 8 weeks after surgery,there was no significant difference in total incidence of complications between the experimental group（4.88%）and the control group（17.07%,P > 0.05）．Conclusions The application of neuroendoscope in the minimally invasive surgery of cerebellopontine angle tumor can effectively relieve the clinical symptoms of patients,optimize the operation-related indexes,reduce the damage of nerve function,increase the total resection rate of tumor,improve the prognosis,and with high safety．

目的 分析精神分裂症患者体内的肌酸激酶（CK）、肌红蛋白（MYO）、β₂微球蛋白（β₂-MG）、细胞间黏附分子（ICAM）水平随患者精神状态及肾功能损害程度的变化,探讨其对患者早期急性肾损伤（AKI）可能的作用机制。方法 根据肾功能水平将 80例精神分裂症患者分为4组,并设立健康对照组（同期我院门诊健康体检者）20例。采用酶联免疫吸附法检测血清CK、MYO 、ICAM,采用放射免疫法检测β₂-MG水平,分析其与患者精神状态变化及肾功能损害程度的关联。结果 精神分裂症患者中肾功能损害组的血清CK、MYO、ICAM、β₂-MG值高于健康对照组及肾功能正常组,差异具有统计学意义（F=623.534,30.437,636.776,88.283,P<0.05）,精神分裂症AKI 1期组到AKI 3期组CK、MYO、β₂-MG、ICAM数值均比对照组升高（P<0.05）,3组之间如上指标的比较差异有统计学意义（P<0.05）。结论 精神分裂症肾功能损害患者的血清CK、MYO、ICAM、β₂-MG的异常升高能反映出患者的精神状态及肾功能损害程度,提示临床可通过检测如上血清指标来监测患者的精神状态及肾功能。

Objective To study the changes of serum creatine kinase（CK）,myoglobin（MYO）,β₂ microglobulin（β₂-MG）,intercellular adhersion molecule（ICAM）with the mental state and the degree of renal function damage of patients,to explore the possible mechanism of their effects on early acute kidney injury（AKI）in patients with schizophrenia．Methods A total of 80 schizophrenic patients were divided into 4 groups according to their renal function level,and 20 healthy controls（who underwent physical examination during the same period）were included．At the same time,enzyme linked apta-sorbent assay was used to detect serum CK,MYO and ICAM levels in each group,and radioimmunoassay was used to detect serum β₂-MG level in each group．The correlation between the above indexes and the changes of mental state and the degree of renal function damage was analyzed．Results The serum CK,MYO,ICAM and β₂-MG values in schizophrenia renal impairment groups were higher than those in healthy control group,and the differences were statistically significant（F=623.534,30.437,636.776,88.283,P<0.05）,and the comparison of the above indexes among the three groups was statistically significant（P<0.05）．Conclusions The abnormal increase of serum CK,MYO,ICAM and β₂-MG can reflect the patient's mental state and the degree of renal function damage,it suggesting that the clinical staff can monitor the patient's mental state and renal function through daily serum collection and analysis．

目的 分析艾司氯胺酮对剖宫产术后镇痛及肾素-血管紧张素-醛固酮系统（RAAS）、产后抑郁情况发生的影响。方法 研究对象为2020年5月—2021年6月在我院行剖宫产的96例孕产妇,根据麻醉药物的不同分为研究组50例和对照组46例,2组孕产妇均给予腰硬联合麻醉行剖宫产术,研究组于手术切皮前5 min静脉注射艾司氯胺酮0.2 mg/kg,对照组静脉注射等量生理盐水。比较2组孕产妇术后疼痛评分（VAS评分）、肾素活性（PRA）、血管紧张素-II（AT-II）、醛固酮（ALD）、爱丁堡产后抑郁量表（EPDS）、不良反应的发生情况。结果 与对照组比较,术后各时间点研究组孕产妇VAS评分均明显较低,差异具有统计学意义（P<0.01）。2组T1、T2、T3各时间点RAAS各指标均明显低于T0时间点（P<0.05）;研究组在T1、T2时间点RAAS各指标均明显低于对照组,差异具有统计学意义（P<0.05）。研究组术后3 d、术后6周EPDS评分均明显低于对照组（P<0.01）。2组不良反应总发生率比较无差异（P>0.05）。结论 艾司氯胺酮用于剖宫产术后镇痛效果显著,对产妇RAAS影响较小,并可缓解产妇抑郁症状,且不良反应发生率较低。

Objective To analyze the effect of esketamine on analgesia and renin angiotensin aldosterone system（RAAS）and the occurrence of postpartum depression after cesarean delivery．Methods The subjects were 96 pregnant women who underwent cesarean section in our hospital from May 2020 to June 2021,they were divided into 50 cases in the study group and 46 cases in the control group．Both groups of pregnant women were given combined spinal epidural anesthesia for cesarean section．The patients in study group were injected with esmketamine 0.2 mg/kg intravenously 5 minutes before skin incision,and those in control group were injected with the same amount of saline intravenously．The postoperative pain scores（VAS score）,plasma renin activity（PRA）,angiotensin-II（AT-II）,aldosterone（ALD）,Edinburgh Postpartum Depression Scale（EPDS）,and the occurrence of adverse effects were compared between the two groups．Results Compared with the control group,maternal VAS scores were significantly lower in the study group at all postoperative time points,and the differences were statistically significant（P<0.01）．The indexes of RAAS were significantly lower in both groups at T1,T2 and T3 time points than at T0 time point（P<0.05）;the indexes of RAAS were significantly lower in the study group at T1 and T2 time points than in the control group,and the differences were statistically significant（P<0.05）．The postoperative EPDS scores in the study group were significantly lower than those in the control group at 3 d and 6 weeks（P<0.01）．There was no difference in the overall incidence of adverse reactions between the two groups（P>0.05）．Conclusions Esketamine is effective for postoperative analgesia after cesarean section,with less effect on maternal RAAS,and can relieve maternal depressive symptoms,and has a low incidence of adverse reactions．

目的 调查眼科患者对荧光素眼底血管造影认知情况及健康教育需求,为眼底造影医护人员实施高效、个性化健康教育提供依据。方法 采用自制眼底造影认知及健康教育需求问卷,对本院2021年6月—8月的123例眼底血管造影患者进行问卷调查,使用Spearman相关性分析、非参数秩和检验及多元线性逐步回归分析患者眼底血管造影认知的影响因素。结果 患者荧光素眼底血管造影认知得分为（33.77±8.09）分,其中,患者对于检查中的相关知识认知最低,相对得分为0.59;患者健康教育需求的得分为（43.95±7.63）分,其中,检查后的相关知识需求度最高,相对得分为0.77;不同年龄、文化程度、主要照顾者、眼造影检查次数及是否合并全身病的患者的认知水平差异有统计学意义（P<0.05）。多元线性逐步回归分析表明,眼造影检查史是患者眼底血管造影认知的独立影响因素。结论 眼科患者对荧光素眼底血管造影认知水平较低,健康教育需求高,医护人员应重视健康教育的实施,结合FFA操作流程及患者特点,制定标准化健康教育流程,探索有效的线上+线下的健康教育模式,以提高造影患者认知水平,保障患者安全。

Objective To investigate fundus fluorescein angiography（FFA）cognition and health education needs in ophthalmic patients,and to provide basis for efficient and personalized health education for FFA medical staff．Methods A self-made questionnaire was used in a survey of 123 patients from June to August 2021．The influencing factors of FFA cognition were analyzed by Spearman correlation analysis,non parametric rank sum test and multiple linear stepwise regression．Results The score of FFA cognition was（33.77 ± 8.09）．Patients had the lowest cognition of relevant knowledge during the examination,with a relative score of 0.59．The score of patient's health education needs was（43.95 ± 7.63）,while the score of relevant knowledge needs after examination was the highest,with a relative score of 0.77．There were significant differences in cognitive level among patients with different ages,educational levels,main caregivers,angiographic times,and complication of systemic diseases（P<0.05）．Multiple linear stepwise regression analysis showed that the number of ocular angiography was an independent factor affecting the cognition of FFA．Conclusions Patients with FFA have low cognitive level and high demand for health education．Medical staff should pay attention to the implementation of health education,formulate a standardized health education process with the combination of operation process and patient characteristics,and explore an effective online-to-offline health education mode,so as to improve the cognitive level of angiography patients and ensure the safety of patients．

目的 基于影像组学方法,探讨多层螺旋CT（MSCT）四期增强扫描单一/不同期相及不同容积感兴趣区（VOI）的选择,在术前预测原发性肝细胞癌（HCC）微血管侵犯（MVI）中的价值。方法 回顾性收集88例经手术病理证实为HCC并行术前MSCT四期增强扫描的患者,其中包括47例MVI阳性患者和41例MVI阴性患者。在MSCT增强扫描的动脉早期、动脉晚期、门静脉期及延迟期图像中手动逐层勾画肿瘤ROI,获得瘤体容积感兴趣区VOI（Vt）,然后基于计算机自动膨胀算法将Vt外扩10 mm获得瘤体及瘤周VOI（Vt+Vp）。使用Pyradiomics软件分别从Vt和Vt+Vp中提取影像组学特征,随后采用15种特征选择方法和10种分类器构建150个预测模型,并通过十折交叉检验以验证模型的效能。使用准确度、敏感度、特异度、受试者工作特性曲线下面积（AUC）评估模型的效能,并比较性能最优的前三个预测模型。结果 MSCT四期增强扫描图像中预测HCC MVI状态的影像组学模型在门静脉期的表现优于其它期相及各期相的不同组合,其中最大的AUC值在Vt和Vt+Vp两种ROI中分别为0.768和0.782。此外,基于Vt+Vp的影像组学模型对MVI的预测效能优于基于Vt的影像组学模型,基于Vt+Vp性能最优的预测模型的AUC值、准确度、敏感度和特异度分别0.782、0.728、0.745和0.705。结论 采用影像组学方法术前无创性预测HCC MVI状态首选增强扫描的门静脉期,ROI首选瘤体联合瘤周10 mm区域。

Objective To investigate the value of single or different phases of contrast-enhanced multi-slice spiral CT（MSCT）in different volumetric regions of interest（ROI）to preoperatively predict the state of microvascular invasion in primary hepatocellular carcinoma（HCC）based on radiomics methods．Methods A total of 88 patients with HCC confirmed by surgical pathology who underwent preoperative MSCT quadruple-enhanced scan were retrospectively recruited,including 47 MVI-positive patients and 41 MVI-negative patients．The ROI was manually delineated slice-by-slice in the early arterial phase,late arterial phase,portal venous phase,and equilibrium phase of enhanced MSCT images to obtain the volume of tumor VOI（Vt）,and then Vt was expanded by 10 mm through the computer expansion algorithm automatically to obtain the volume of tumor and peritumor（Vt+Vp）．Pyradiomics software was used to extract radiomic features from Vt and Vt+Vp,followed by 150 discriminant models constructed with 150 feature selection methods and 10 classifiers,and then 10-fold cross-validation was used to evaluate the performance of these models．Using accuracy,sensitivity,specificity,area under the receiver operating characteristic curve（AUC）to assess model performance．The top three predictive models with the best performance were also compared．Results The radiomics model for predicting HCC MVI status in portal venous phase among quadruple-enhanced MSCT images outperformed other phases and different combinations of phases,achieving the highest AUC values of 0.768 and 0.782 in Vt and Vt+Vp respectively．In addition,the prediction performance of the radiomics model based on Vt+Vp was superior to models based on Vt．AUC value,accuracy,sensitivity,and specificity of the model with the best performance based on Vt+Vp were 0.782,0.728,0.745 and 0.705 respectively．Conclusions Radiomics models based on the portal venous phase of contrast-enhanced MSCT and tumor combined with the 10mm peritumoral area were more recommended to be employed to preoperative non-invasively predict the state of HCC MVI．

目的 探讨术前控制营养状态评分在老年胃癌患者术后短期并发症中的应用价值。方法 回顾分析统计2015年1月—2020年12月在江苏大学附属医院接受治疗的确诊胃癌患者,根据纳入标准和排除标准,选择入组患者,收集纳入研究患者一般资料、术前实验室检测数据和术后并发症情况,计算控制营养状况（CONUT）评分,统计分析CONUT营养评分在老年胃癌患者接受胃癌D2根治术术后短期并发症的价值。结果 共223例患者纳入研究,CONUT评分的截断值为2.5,肿瘤直径的截断值为2.75 cm。CONUT评分>2.5组的平均年龄高于CONUT评分<2.5组（P=0.005 3）,且2组性别构成存在差异,男性患者多于女性（P=0.037 0）。CONUT评分>2.5组患者的肿瘤直径较大（P=0.039 4）。在术后并发症方面,CONUT评分>2.5组的术后并发症多于CONUT评分<2.5组（P=0.008 3）。单因素Logistic回归分析,年龄（OR=1.127;95%CI：1.028~1.236;P=0.011）、CONUT评分（OR=0.339;95%CI：0.151~0.764;P=0.009）是患者发生短期并发症的危险因素。多因素Logistic回归分析显示年龄（OR=1.115;95%CI：1.008~1.233;P=0.035）、CONUT评分（OR=0.414;95%CI：0.175~0.982;P=0.045）是患者发生短期并发症的危险因素。结论 CONUT评分作为老年胃癌患者术前营养评估项目可以有效预测患者术后短期并发症,进而提前进行营养干预,降低术后并发症发生率。

Objective To explore the value of controlling nutritional status score in short-term postoperative complications of elderly patients with gastric cancer．Methods The data of patients who confirmed gastric cancer and treated in the Affiliated Hospital of Jiangsu University from January 2015 to December 2020 were reviewed and analyzed．Patients were selected according to the inclusion criteria and exclusion criteria,the general data,preoperative laboratory test data and postoperative complications of the included patients were collected,and the controlling nutritional status（CONUT）score was calculated．The value of CONUT score in the short-term complications of elderly gastric cancer patients undergoing D2 radical gastrectomy for gastric cancer was evaluated．Results A total of 223 patients were included in this study．The cut-off value of CONUT score was 2.5 and the cut-off value of tumor diameter was 2.75 centimeter．The average age of the group with CONUT score > 2.5 was significantly higher than that of the group with CONUT score < 2.5（P=0.005 3）．Moreover,there was significant difference between the sex ratio of the two groups,with male more than female（P=0.037 0）．The tumor diameter was significantly larger in the group with CONUT score > 2.5（P=0.039 4）．In terms of postoperative complications,there was significantly more postoperative complications in the group with CONUT score > 2.5 than in the group with CONUT score < 2.5（P=0.008 3）．Univariate logistic regression analysis showed that age（OR=1.127;95% CI：1.028-1.236;P=0.011）and CONUT score（OR=0.339;95% CI：0.151-0.764;P=0.009）were the risk factors for short-term complications．Multivariate logistic regression analysis showed that age（OR=1.115;95% CI：1.008-1.233;P=0.035）and CONUT score（OR=0.414;95% CI：0.175-0.982;P=0.045）were the risk factors for short-term complications．Conclusions As a preoperative nutritional evaluation item for elderly patients with gastric cancer,CONUT score can effectively predict the short-term postoperative complications of patients,and then carry out nutritional intervention in advance to reduce the incidence of postoperative complications．