【摘要】目的：基于潜类别增长模型（LCGM）探讨脑出血患者神经功能恢复轨迹及不同轨迹对预后的影响。方法：回顾性采集360例自发性脑出血患者（2023年6月～2025年6月）的临床资料及神经功能评分[美国国立卫生研究院卒中量表（NIHSS）]，并采用LCGM识别神经功能恢复轨迹的潜在类别，分析影响恢复不良型轨迹的危险因素，对比不同轨迹的预后情况[改良Rankin量表（mRS）、格拉斯哥预后评分（GOS）]。结果：LCGM模型拟合结果显示，3类轨迹为最优拟合模型，可将360例自发性脑出血患者分为快速恢复型139例（38.61%）、稳定恢复型154例（42.78%）、恢复不良型67例（18.61%）；入院格拉斯哥昏迷量表（GCS）评分、初始NIHSS评分、机械通气、血管活性药物使用及血肿体积是神经功能恢复不良的独立影响因素（P＜0.05）；预后方面，三组患者mRS、GOS评分存在显著差异（P＜0.05）。结论：基于LCGM可有效识别脑出血患者神经功能恢复的异质性轨迹，同时还能明确影响患者神经功能修复的独立危险因素及不同神经功能恢复轨迹与预后的关联。

Abstract Objective: To explore the trajectory of neurological recovery in patients with cerebral hemorrhage and the impact of different trajectories on prognosis based on latent class growth model (LCGM). Methods: The clinical data and neurological function scores [National Institutes of Health Stroke Scale (NIHSS)] of 360 patients with spontaneous cerebral hemorrhage (June 2023 to June 2025) were retrospectively collected, and LCGM was used to identify potential categories of neurological recovery trajectories, analyze risk factors affecting poor recovery trajectories, and compare the prognosis of different trajectories [modified Rankin Scale (mRS), Glasgow Outcome Score (GOS)]. Results: The LCGM model fitting results showed that the three types of trajectories were the optimal fitting model, and 360 patients with spontaneous cerebral hemorrhage could be divided into 139 cases (38.61%) of rapid recovery type, 154 cases (42.78%) of stable recovery type, and 67 cases (18.61%) of poor recovery type; admission to Glasgow Coma Scale (GCS) score, initial NIHSS score, mechanical ventilation, use of vasoactive drugs and hematoma volume are independent influencing factors of poor neurological recovery (P＜0.05); in terms of prognosis, there were significant differences in mRS and GOS scores among the three groups of patients (P＜0.05).Conclusion: Based on LCGM, it is possible to effectively identify the heterogeneous trajectories of neurological function recovery in patients with intracerebral hemorrhage (ICH), while also identifying independent risk factors influencing neurological function repair and establishing associations between different recovery trajectories and prognosis.

        目的   探讨临床特征联合外周血血管内皮生长因子（VEGF）与α-羟基丁酸脱氢酶（α-HBDH）对卵巢癌的诊断价值。方法   选取2022年6月—2024年6月在天津市中心妇产科医院妇科接收的84例卵巢癌恶性肿瘤患者纳入观察组，同期选取84例卵巢良性病变患者纳入对照组。对比两组患者临床资料及VEGF、α-HBDH水平的差异，分析VEGF、α-HBDH水平与卵巢癌恶性肿瘤患者临床特征的相关性。采用二元Logistics回归分析卵巢癌恶性肿瘤的独立危险因素，并采用受试者工作特征（ROC）曲线分析VEGF、α-HBDH水平诊断卵巢癌恶性肿瘤的价值。结果   观察组年龄、身体质量指数（BMI）及血清CA125、HE4、VEGF、α-HBDH水平显著高于对照组（P＜0.05），VEGF与α-HBDH水平与国际妇产科联盟（FIGO）分期、分化等级及淋巴结转移均呈正相关关系（P＜0.05）。将年龄、BMI、VEGF、α-HBDH作为自变量纳入二元Logistic回归，结果显示BMI、VEGF、α-HBDH是卵巢癌恶性肿瘤的影响因素（P＜0.05），ROC曲线分析显示，联合检测VEGF和α-HBDH的AUC达0.921，灵敏度和特异度分别为81.0%和91.7%，优于单独检测（VEGF：AUC=0.702；α-HBDH：AUC=0.796）。结论  BMI联合VEGF与α-HBDH检测可为卵巢癌的诊断提供高效、无创的辅助手段，具有重要临床应用潜力。

      Objective  To explore the  diagnostic value of clinical features combined with  peripheral  blood vascular endothelial growth factor（VEGF）and α-hydroxybutyrate dehydrogenase（α-HBDH）levels in ovarian cancer．Methods  A total of 84 patients with malignant ovarian cancer admitted to the gynecology department of Tianjin Central Hospital of Gynecology and Obstetrics from June 2022 to June 2024 were included in the observation group，and 84 patients with benign ovarian lesions during the same period were included in the control group．The clinical data and VEGF，α-HBDH levels of the two groups were compared．Pearson analysis was used to explore the correlation between VEGF，α-HBDH levels，and clinical characteristics of patients with malignant ovarian cancer．Binary Logistic regression analysis was conducted to identify independent risk factors for malignant ovarian cancer，and receiver operating characteristic（ROC） curves were used to analyze the diagnostic value of VEGF and α-HBDH levels for malignant ovarian cancer．Results  The observation group had significantly higher age，BMI，and serum CA125，HE4，VEGF，α-HBDH levels compared to the control group（P＜0.05）．VEGF and α-HBDH levels were significantly positively correlated with FIGO stage，differentiation grade，and lymph node metastasis（P＜0.05）．Age，BMI，VEGF，and α-HBDH were included as independent variables in binary Logistic regression，and the results showed that BMI，VEGF，and α-HBDH levelswere independent risk factors for malignant ovarian cancer（P＜0.05）．ROC curve analysis  revealed that the AUC for combined detection of VEGF and α-HBDH reached 0.921，with sensitivity and specificity of 81.0% and 91.7%，respectively，significantly superior to individual detection（VEGF：AUC=0.702；α-HBDH：AUC=0.796）．Conclusions  The detection of BMI combined with VEGF and α-HBDH levels can provide an efficient and noninvasive auxiliary means for the diagnosis of ovarian cancer，which has important clinical application potential．

目的 探讨家庭医生契约式服务对婴儿生长发育及肺炎发生率的影响。方法 选取2019年7月—2020年2月龙凤社区出生的婴儿200例作为研究对象,随机分为签约组与未签约组,每组100例。其中,签约组婴儿接受家庭医生契约式服务,未签约组婴儿则接受社区常规儿童保健服务。记录两组婴儿出生后第1、3、6、9、12个月时的生长发育指标(身长、体质量)、神经心理发育指标(大动作、精细动作、个人-社会、语言、适应性)以及肺炎发生率,进行对比分析。结果 出生后第1个月和第3个月,两组婴幼儿身高与体质量差异无统计学意义(P＞0.05)。自出生后第6个月开始,签约组婴幼儿的身高与体质量水平均高于未签约组婴幼儿(P＜0.05)。两组中出生后1月龄的婴幼儿在发育商5项指标中差异均无统计学意义(P＞0.05)。在12月龄时,签约组婴幼儿的大动作、精细动作、个人-社会、语言、适应性5项指标评分均高于未签约组婴幼儿(P＜0.05)。截止出生后第12个月,签约组共发生2例肺炎患儿,肺炎发生率2%;未签约组发生10例肺炎患儿,肺炎发生率10%,高于签约组肺炎发生率。所有肺炎患儿均给予积极对症治疗后痊愈。结论 家庭医生契约式服务能够促进婴幼儿出生后第1年内身心发育水平,同时还能有效降低肺炎的发生风险,有利于婴幼儿身心全面、健康地发育和生长,具有比较显著的卫生和社会学价值,值得推广应用。

Objective To explore the effect of family doctor contract service on infant growth and development and incidence of pneumonia. Methods From July 2019 to February 2020, 200 infants in Longfeng community were selected as the research objects and randomly divided into contract group and non contract group, with 100 cases in each group. Among them, the infants in the contract group received the family doctor contract service, while the infants in the non signing group received the community routine child health care services. The growth and development indexes (body length, body weight), neuropsychological development indexes (big movements, fine movements, personal society, language, adaptability) and the incidence of pneumonia were recorded and analyzed in the first, third, sixth, ninth and twelfth months after birth. Results There were no significant differences in height and weight between the two groups at the first and third month after birth (P>0.05). From the 6th month after birth, the height and weight of infants in the signing group were higher than those in the non signing group (P<0.05). There were no significant differences in the 5 indexes of development quotient between the two groups (P>0.05). At the age of 12 months, the scores of big movement, fine movement, personal society, language and adaptability of infants in contract group were higher than those in non contract group (P<0.05). By the end of the 12th month after birth, there were 2 cases of pneumonia in the signing group, the incidence of pneumonia was 2%; in the non signing group, there were 10 cases of pneumonia, the incidence of pneumonia was 10%, which was higher than that of the signing group. All children with pneumonia were cured after active symptomatic treatment. Conclusion Family doctor contract service can promote the physical and mental development level of infants and young children in the first year after birth, at the same time, it can effectively reduce the risk of pneumonia, which is conducive to the comprehensive and healthy development and growth of infants and young children. It has significant health and sociological value and is worthy of promotion and application.

目的 分析促红细胞生成素（EPO）及促红细胞生成素受体（EPOR）在肝细胞癌（NCC）以及正常组织中的表达规律,以及它们和肝细胞癌微血管密度（MVD）之间的关系。方法 选取我院手术切除的肝细胞肝癌的标本30例,取肿瘤边缘2.0 cm的肝组织作为对照,同时取正常肝脏组织10例做为阴性对照。利用酶联免疫吸附实验（ELISA）检测各组织中EPO及EPOR表达水平,利用免疫组织化学方法染色检测微血管密度（MVD）。对比癌组织和癌旁组织EPO、EPOR及MVD差异,分析NCC中EPO、EPOR、MVD与肿瘤病理特征的关系,分析EPO、EPOR表达水平与MVD之间的关系。结果 HCC组织中,EPR、EPOR、MVD均高于癌旁组织和正常组织,差异有统计学意义（P<0.001）,EPR、EPOR、MVD在癌旁组织和正常组织中,差异无统计学意义（P>0.05）。肿瘤大小>5 cm、存在包膜侵犯、存在远处转移以及高中分化的HCC中,EPR、EPOR、MVD水平高于肿瘤大小≤5 cm、无包膜侵犯、无远处转移以及低分化的水平,差异有统计学意义（P<0.05）。Person相关分析结果显示,EPO表达水平与MVD的相关系数r=0.651（P<0.001）,EPOR表达水平与MVD的相关系数r=0.620（P<0.001）。结论 EPO、EPOR、MVD在HCC中呈现高水平,且与肿瘤大小、局部侵犯、远处转移及分化程度有关,其机制可能与EPO、EPOR增加MVD有关。

Objective To analyze the expression of erythropoietin （EPO） and erythropoietin receptor （EPOR） in hepatocellular carcinoma （NCC） and normal tissues,and their relationship with hepatocyte microvessel density （MVD）. Methods Thirty specimens of hepatocellular carcinoma hepatectomy were selected from our hospital. The liver tissue at the edge of the tumor was taken as a control,and 10 cases of normal liver tissue were used as a negative control. The expression levels of EPO and EPOR in each tissues were detected by enzyme-linked immunosorbent assay （ELISA）,and microvessel density （MVD） was detected by immunohistochemistry. The differences of EPO,EPOR and MVD between each tissues were compared. The relationship between EPO,EPOR,MVD and tumor pathological features in NCC was analyzed. The relationship between EPO and EPOR expression levels and MVD was analyzed. Results In HCC tissues,EPR,EPOR and MVD were higher than those in adjacent tissues and normal tissues. The difference was statistical difference （P<0.001）. EPR,EPOR and MVD were not statistically significant in adjacent tissues and normal tissues. P>0.05）. The levels of EPR,EPOR,and MVD in tumors with tumor size >5 cm,invasion of the capsule,distant metastasis,and high-differentiation were higher than those of tumor size ≤ 5 cm,no capsule invasion,no distant metastasis,and poor differentiation. The difference was statistical difference （P < 0.05）. Person correlation analysis showed that the correlation coefficient between EPO expression level and MVD was r=0.651 （P<0.001）,and the correlation coefficient between EPOR expression level and MVD was r=0.620 （P<0.001）. Conclusion EPO,EPOR and MVD are highly expressed in HCC,and are related to tumor size,local invasion,distant metastasis and differentiation. The mechanism may be related to EPO and EPOR increasing MVD.

目的 观察重组牛碱性成纤维细胞生长因子应用于治疗浅Ⅱ度烧伤创面的临床效果。方法 选取90例小面积浅Ⅱ度烧伤患者,随机平均分为2组:应用重组牛碱性成纤维细胞生长因子治疗的患者为治疗组,使用碘伏油纱治疗的患者为对照组,观察创面愈合时间、患者疼痛程度及远期色素沉着、瘢痕增生几率情况。结果 重组牛碱性成纤维细胞生长因子治疗组效果优于对照组,治疗组创面愈合时间(8.56±2.51)d短于对照组(12.42±2.13)d(P﹤0.05),平均愈合时间较提前3~5 d;患者疼痛度减轻[VAS评分分别是:(1.66±0.05)和(3.25±0.12),P﹤0.05];部分患者一年后随访发现治疗组远期色素沉着较轻,疤痕增生几率低。结论 应用重组牛碱性成纤维细胞生长因子治疗小面积浅度烧伤能够缩短创面愈合时间,在有效促进烧伤创面愈合同时,可减轻换药时疼痛,减轻远期色素沉着,降低瘢痕增生率。

Objective To observe effect of the recombinant bovine basic fibroblast growth factor in the treatment of superficial Ⅱ degree burn wounds. Methods Ninety cases of small area of superficial Ⅱ degree burn wounds were randomly divided into 2 groups: recombinant bovine basic fibroblast growth factor group(rb-bFGF) and control group (Iodophor gauze group). The wound healing time,patient pain, long-term hyperpigmentation and scar chance of proliferation were observed. Results The effect of rb-bFGF treatment group was better than that of control group. The healing time of the treatment group was (8.56 ± 2.51)d, it was shorter than that of the control group (12.42±2.13)d(P<0.01). The average healing time was 3~5 days, it was ahead of the control group; Compared to the control group, the rb-bFGF group had less pain (VAS scores were: 1.66±0.05 and 3.25±0.12,P<0.01); Some patients were followed up a year later, we found that the treatment group long-term pigmentation was lighter, scar chance of proliferation was lower. Conclusion Application of rb-bFGF in the treatment of small area of shallow Ⅱ degree of burns may shorten the wound healing time. As effective promotion of burn wound healing, it may reduce the pain when dressing, reduce long-term pigmentation and scarring rate.

目的 探讨孕母甲状腺疾病的新生儿第一个月生长速率和甲状腺功能与2岁时神经发育结局之间的相关性。方法 2013年1月—2014年12月在我院出生的156例孕母甲状腺疾病的新生儿为实验组,观察其第1个月体质量、身长及头围生长的速率,生后当天、第7天、第28天的总甲状腺素(TT4)及促甲状腺素(TSH)的水平;妊娠期无高危因素的母亲分娩的正常新生儿中随机抽取150例为正常对照组,观察生后新生儿第1个月体质量、身长及头围生长的速率,2组均在2岁内分别每3个月均接受随访评估,2岁时行贝利婴幼儿发展量表进行Bailey智力发育指数(MDI)、精神运动发育指数(PDI)的评分。采用回归分析检验新生儿生后第一个月体质量、身长及头围生长的速率,新生儿生后当天、第7天、第28天的TT4及TSH水平与中位数的差值与2岁时MDI、PDI之间的关联性。结果 ①实验组生后第1个月体质量(29.5±4.2 g/d)、身长(1.18±0.67 cm/周)及头围(0.79±0.39 cm/周)生长的速率慢于正常对照组的体质量(35.4±6.3 g/d)、身长(1.69±0.85 cm/周)及头围(1.10±0.42 cm/周)生长的速率,2组差异有统计学意义(t值分别为9.672、5.882、6.768,P均<0.05);②实验组2岁时MDI(108±15)、PDI评分(109±16)低于正常对照组MDI(115±14)、PDI评分(118±11),2组差异有统计学意义(t值分别为16.129、21.279,P均<0.05);③实验组孕母甲状腺疾病的新生儿生后第1个月体质量、身长及头围生长的速率与2岁时MDI、PDI呈正相关(相关系数分别为:0.874,0.842,0.890,0.857,0.871,0.845,t值分别为22.584,59.296,65.441,61.214,62.662,59.507,P均<0.05);④实验组孕母甲状腺疾病的新生儿生后当天、第7天及第28天的TT4及TSH水平与中位数的差值与2岁时MDI、PDI呈负相关(相关系数分别为:-0.878,-0.894,-0.890,-0.690,-0.654,-0.702,t值分别为73.167,81.273,74.166,11.523,10.548,12.103,P均<0.05)。结论 母亲妊娠期患有甲状腺疾病会影响新生儿生后第1个月体质量、身长、头围生长的速率及2岁时的精神运动、智力发育,落后于母亲妊娠期无高危疾病的正常新生儿。另外孕母甲状腺疾病的新生儿第1个月体质量、身长及头围生长的速率和生后当天、生后第7天 及第28天的T4及TSH的水平与2岁时MDI、PDI密切相关。

Objective To investigate the correlation between the growth rate, thyroid function in the first month and neurodevelopmental outcome at the age of 2 in the infants of the maternal thyroid disease. Methods We chose 156 infants of maternal thyroid disease from January 2013 to December 2014 born in our hospital as the experimental group and 150 normal infants of their mothers without high risk factors during pregnancy as the control group. We observed the rate of weight, length and head circumference growth in the first month and TT4 、TSH level at the 1^st day, 7^th day, and 28^th day after birth. We followed up two groups every 3 months up to the age of 2. We assessed Bailey mental development index (MDI) and psychomotor development index (PDI) at the age of 2. Regression analysis was used to test the correlation between the growth rate, TT4,TSH level in the 1^st month and MDI, PDI at the age of 2. Results ① The rate of growth rate in the 1^st month of the experimental group was slower than the control group. It was statistically significant difference between the two groups (P<0.05); ②MDI, PDI at the age of 2 in the experimental group were lower than those of the control group. It was statistically significant difference between the two groups (P<0.05); ③The rate of growth rate in the first month of the experimental group was positively related to MDI and PDI at the age of 2.④The difference between the level of TT4,TSH at the 1^st day, 7thday, and 28^th day and the median after birth was negatively related to MDI and PDI at the age of 2. Conclusion The maternal thyroid disease will affect the first month growth rate and neurodevelopmental outcome at the age of 2 of their infants. Their infants will grow behind than the normal newborns on pregnancy without high-risk disease.The growth rate of the first month and the level of T4 and TSH on the 1^st day, 7^th day, and 28^th day in maternal thyroid disease are closely related MDI and PDI at the age of 2.

目的 探讨重组人表皮生长因子滴眼液联合玻璃酸钠治疗白内障术后干眼症的随机对照情况。方法 选取2017年度在本院实施白内障术后发生干眼症患者120例,采取随机分组方法分成观察组、对照组各60例,观察组给予重组人表皮生长因子滴眼液联合玻璃酸钠治疗,对照组给予玻璃酸钠滴眼液治疗,比较两组患者的临床疗效情况。结果 观察组有效率90%高于对照组73.33%,有差异;两组患者治疗前FL、BUT、SIT比较均无差异,P>0.05;治疗后,两组FL、BUT、SIT比较有差异,P<0.05; 两组患者治疗前视力评价比较均无差异,P>0.05;治疗后,两组视力评价比较有差异,P<0.05。结论 给予白内障术后干眼症患者采取重组人表皮生长因子滴眼液联合玻璃酸钠治疗,可提高临床疗效,对于改善相关临床体征、视力指标均具有重要临床价值。

目的 探讨科学的出院后营养管理对肠道术后新生儿体格追赶的效果,分析影响体格追赶的相关因素。方法 通过营养门诊对出院术后婴儿及社区婴儿进行个体化营养喂养指导和营养咨询,比较两组每月体质量、身长及头围,并随访至生后9月龄。两组生后半年生长趋势行重复测量检验。结果 第1月龄时,手术组患儿体质量、身长、头围均落后于对照组婴儿(P<0.001, P=0.004, P=0.008),第2月龄时,手术组患儿体质量、头围仍落后于对照组(P=0.003,P=0.031),第4月龄时,手术组体质量低于对照组(P=0.012),第5～9月龄,两组体格指标均无明显差异。生后半年内两组的生长趋势差异无统计学意义。前半年身长的增长与出生身长、父母文化以及父亲的不良习惯存在负相关关系,头围的增长与住院天数呈明显负相关关系、与出生以及首诊时的体格状况呈正相关关系。结论 合理喂养对新生儿肠道术后体格追赶有利,帮助其接近正常生长曲线。再次手术可能是导致体质量增长下降的主要因素,但未明显影响身长、头围的正常增长。出生时和就诊时的体格状况、父母教育程度和不良习惯以及住院天数均是影响体格追赶的相关因素。

Objective To investigate the effect of scientific nutrition management after discharge on neonatal physical catch-up after intestinal operation, and to analyze the related factors affecting physical catch-up. Methods Individualized nutritional feeding instruction and nutrition consultation were performed on infants and community infants after discharge from hospital through nutrition clinic. The monthly body weight, body length and head circumference were compared between the two groups, and followed up to 9 months old. The growth trend of the two groups in half a year after birth was tested by repeated measurement. Results At the first month of age, the body weight, body length and head circumference of the patients in the operation group were lower than those in the control group (P<0.001, P=0.004, P=0.008). At the second month, the body weight and head circumference of the operation group were still behind those of the control group (P=0.003, P=0.031), and at the fourth month of age, the weight and head circumference of the patients in the operation group were still lower than those in the control group. The body weight of the operation group was lower than that of the control group (P=0.012), and there was no diffence in the physical indexes between the two groups at the age of 5~9 months. There was no statistical significance in growth trend between the two groups within half a year after birth. The growth of body length in the first half of the year had a negative correlation with the length of birth, parents' culture and father's bad habits. The growth of head circumference had a negative correlation with the length of stay in hospital, and had a positive correlation with the physical condition at birth and at first visit. Conclusion Reasonable feeding is beneficial to the physical catch-up of the newborn after intestinal operation and helps them approach the normal growth curve. Reoperation may be the main cause of weight loss, but it does not affect the normal growth of body length and head circumference. The physical condition at birth and medical visit, parents' education level, bad habit and hospitalization days were all related factors of physical catch-up.

宫内发育迟缓(IUGR)又称小于胎龄儿(SGA),不仅影响近期健康,且对远期健康和生长发育具有重要影响,成年后2型糖尿病、肥胖、高血压、冠心病等代谢综合征的发病率明显增高。可能的机制是在生命早期个体对不利的刺激高度敏感,产生基因表达的异常,影响内分泌系统,从而对某些器官的结构或功能产生长期或永久性的影响。我们需从做好产前母体的营养与健康管理、小于胎龄儿出生后的系统管理、喂养选择纯母乳喂养等措施减少疾病的发生。

Intrauterine growth retardation (IUGR), also known as the small for gestational age (SGA), not only affects the recent health and has an important influence on long-term health and growth development. They are more easy to get the metabolic syndrome such as adult metabolism of type 2 diabetes, obesity, hypertension, coronary heart disease. Possible mechanism is produced in the early life of individual, is highly sensitive to adverse stimuli gene expression abnormalities which affecting the endocrine system, thus it have a long-term or permanent impact on the structure and function of some organs. We need to do more in prenatal maternal nutrition and health management, system management of SGA infants, pure breast feeding. Thus these could reduce the occurrence of metabolic syndrome.

目的 观察表皮生长因子(EGF)在新生儿坏死性小肠结肠炎(NEC)患儿肠组织中的动态表达情况,探讨EGF在NEC病程中起到的保护作用。方法 选取15例NEC患儿行一期回肠造瘘手术治疗的回肠组织为实验组(NEC组),将以上15例NEC患儿行二期回肠封瘘手术治疗的回肠组织为对照组(封瘘组),采用免疫组织化学技术检测,通过光密度测算软件(IPP)分析回肠组织中的EGF表达。结果 EGF主要表达于肠壁黏膜层,少量表达于黏膜下层、肌层。EGF在NEC组各层表达平均光密度值为:黏膜层(0.241±0.075),黏膜下层(0.213±0.061),肌层(0.1397±0.026),差异有统计学意义(P＜0.05);在封瘘组各层表达情况为:黏膜层(0.211±0.028),黏膜下层(0.119±0.022),肌层(0.097±0.007),差异有统计学意义(P＜0.05)。EGF在NEC组总体表达平均光密度值为(0.198±0.071),明显高于封瘘组(0.146±0.058),差异有统计学意义(P＜0.05)。结论 表皮生长因子(EGF)在新生儿坏死性小肠结肠炎(NEC)肠组织中的表达较封瘘组显著上调,推测EGF可能与NEC炎症相关,可能在NEC炎症过程中起到了一定的保护作用。

Objective We realized that EGF could play an important protective role against NEC. However, the practical condition of the distribution and expression of EGF in intestine of infants with NEC was indefinite. In order to figure out this problem,we carried out this experimentation. Methods The sample were divided into two group.The experimental group(necgroup) were composed of fifteen individual intestinal tissues after the ileostomy were performed on those infants suffered from NEC. The control group(sealing fistula group) were composed of fifteen individual intestinal tissues after the ileal closure fistula were performed on the same infants who were accepted the one-stage ileostomy in the period of NEC and were later accepted the two-stage operation on the condition that their bodies almost recovered from NEC after two to three months gone.Then, we utilized immunohistochemistry to test the distribution and quantities of EGF on those samples of the two group infants. Results The characteristic of EGF expression in intestine of the both group included strong positive expression in mucous layer and less expression in strata submucosum and muscular coat. The average optical density in nec group was mucous layer (0.241±0.075),strata submucosum(0.213±0.026),muscular coat (0.1397±0.022);In the control groupmucous layer (0.211±0.028),strata submucosum (0.119±0.022),muscular coat (0.097±0.007). The expression of EGF in intestinal tissues increased in the period of NEC0.198±0.071 by comparing with the control group (0.146±0.058). Conclusion There may be a correlation between the strong positive expression of EGF in intestinal tissues in the period of NEC and inflammation.By combining the result of this experiment and the research about EGF. We assumed that EGF is one factor of the protective mechanism by which injured intestinal mucous could be recovered and resist inflammation.