目的 分析超早期阶梯式协同营养管理在改善重症急性胰腺炎患者喂养中的应用效果。方法 抽取2020年1月—2022年1月南阳市中心医院收治的80例重症急性胰腺炎患者为研究对象,随机数字表法分为观察组和参照组,各40例,两组患者均给予常规营养干预措施,其中观察组患者在以上基础上给予超早期阶梯式协同营养管理,对比两组患者的临床症状消退时间、营养状况、喂养相关并发症、喂养不耐受发生率。结果 与参照组相比,观察组患者的临床症状消退时间更短（P<0.05）,观察组患者的体质量指数、上臂肌围、肱三头肌皮褶厚度及血清清蛋白水平更高（P<0.05）;两组患者的喂养相关并发症主要包括恶心呕吐、误吸、腹泻、感染,观察组患者的喂养相关并发症发生率为7.50%,参照组患者的喂养相关并发症发生率为25.00%,观察组患者的喂养相关并发症发生率低于参照组（P<0.05）;观察组患者喂养不耐受发生2例（5.00%）,参照组患者喂养不耐受发生9例（22.50%）,观察组患者喂养不耐受发生率低于参照组（P<0.05）。结论 重症急性胰腺炎患者实施超早期阶梯式协同营养管理可降低喂养不耐受发生率及喂养相关并发症发生率,改善患者营养水平。

Objective To analyze the application effect of ultra early stepped collaborative nutrition management on improving feeding in patients with severe acute pancreatitis．Methods Eighty patients with severe acute pancreatitis admitted to our hospital from January 2020 to January 2022 were selected as research subjects and randomly divided into observation group and reference group,with 40 cases in each group．Patients in both groups were given conventional nutritional intervention measures,among which patients in the observation group were given super-early stepped collaborative nutritional management on the basis of the above．Clinical symptom resolution time,nutritional status,feeding related complications and feeding intolerance rate were compared between the two groups．Results Compared with the reference group,the time of clinical symptoms resolution in the observation group was shorter（P<0.05）,and the body mass index,upper arm muscle circumference,triceps skin fold thickness and serum albumin level in the observation group were higher（P<0.05）．The feeding-related complications of the two groups mainly included nausea and vomiting,aspiration,diarrhea and infection．The incidence of feeding-related complications in the observation group was 7.50%,and that in the reference group was 25.00%．The incidence of feeding-related complications in the observation group was lower（P<0.05）．There were 2 cases of feeding intolerance in the observation group,the feeding intolerance rate was 5.00%,and 9 cases of feeding intolerance in the reference group,the feeding intolerance rate was 22.50%,the feeding intolerance rate in the observation group was lower（P<0.05）．Conclusions Implementing ultra early stepped collaborative nutritional management in patients with severe acute pancreatitis can reduce the incidence of feeding intolerance and feeding related complications,and improve nutritional levels．

目的 分析CT肺动脉栓塞指数(PAOI)与急性肺栓塞(APE)患者右心功能与预后的相关性。方法 以收治的86例疑似患者为研究对象,均行CT肺动脉成像(CTPA)检查,共60例APE患者,依据患者病情严重程度分为轻度、中度与重度,而无APE患者26例(对照组),分析左右心室最大短轴内径(RVd/LVd)、左右心室最大截面积比(RVA/LVA)、右心室短轴最大直径(RVMSA)、左心室短轴最大内径(LVMSA)、主肺动脉直径(MPAd)、上腔静脉直径(SVCd)、奇静脉直径(AZd)、动脉血氧分压(PaO₂)、动脉血二氧化碳分压(PaCO₂)以及动脉血氧饱和度(SaO₂)与PAOI的相关性,并分析患者预后情况。结果 经比较,中、重度患者RVd/LVd、RVA/LVA、RVMSA、MPAd与AZd水平高于轻度患者,而LVMSA低于轻度患者(P<0.05);且重度患者RVd/LVd、RVMSA水平高于中度,而RVA/LVA、LVMSA、MPAd与AZd水平比较无意义(P>0.05);3组SVCd水平比较P>0.05,其他参数指标比较差异明显(P<0.05);APE患者的PaO₂、PaCO₂以及SaO₂水平随着患者病情的加重呈现出逐渐下降趋势,且3组患者的PaO₂对比差异有统计学意义(P<0.05);PaO₂、PaCO₂和SaO₂与PAOI均呈负相关,且仅有PaO₂的差异存在统计学意义(P<0.05);POAI对APE患者的死亡有着一定的预测价值(P<0.05),最佳切点值58.91%,敏感度为85.29%,特异度为89.93%,其他数据未见明显诊断预测价值(P>0.05)。故RVd/LVd、RVA/LVA、RVMSA、MPAd与AZd水平与PAOI成正相关,而LVMSA水平与PAOI成负相关,与SCVd无关。结论 PAOI与APE患者的右心功能各参数以及动脉血气各参数均有密切关联性,可将其作为患者预后评估的有效指标。