Growth monitoring

生长监测
  • 文章类型: Journal Article
    生长监测在幼儿的发育中起着至关重要的作用。人体测量指数对于医疗保健专业人员识别处于生长不足和营养不良风险的儿童至关重要。
    本研究旨在评估诊所健康之路手册(RTHB)中生长指数的捕获情况。
    这项研究是在自由州的Mangaung大都会市政诊所进行的,南非。
    使用检查表进行了描述性定量研究,以审核264个RTHBs。描述性统计用于分析数据。
    研究结果表明,出生体重记录在大多数99%(n=262)的RTHBs中。在最后一次访问中,58%(n=153)的病例没有记录中上臂周长(MUAC)。年龄体重(WfA)常规绘制在91%(n=241)的RTHB中。在RTHB的38%(n=99)中绘制了长度或年龄身高(LHfA),在RTHB的31%(n=81)中绘制了长度或身高体重(WfLH)。
    结果表明,包括MUAC在内的某些人体测量,长度,或身高不存在于RTHB的记录中。因此,RTHB可能无法有效地用作评估营养状况的手段,影响儿童营养不良的早期发现。
    这项研究为现有的知识体系提供了宝贵的补充,用于监测RTHB中人体测量指标的生长和测量,以及这些做法的适当执行。
    UNASSIGNED: Growth monitoring plays an essential role in the development of young children. Anthropometric indices are of utmost importance for healthcare professionals to identify children at risk of inadequate growth and malnutrition.
    UNASSIGNED: This study aimed to assess the capturing of the growth indices in the Road to Health Booklets (RTHB) in clinics.
    UNASSIGNED: The study was carried out in Mangaung Metropolitan municipal clinics in the Free State province, South Africa.
    UNASSIGNED: A descriptive quantitative study was conducted using a checklist to audit 264 RTHBs. Descriptive statistics were used to analyse data.
    UNASSIGNED: The findings showed that birth weight was recorded in most 99% (n = 262) of the RTHBs. The mid-upper arm circumference (MUAC) was not recorded in 58% (n = 153) of the cases during the last visit. Weight-for-Age (WfA) was routinely plotted in 91% (n = 241) of the RTHB. The length or Height-for-Age (LHfA) was plotted in 38% (n = 99) of the RTHB and Weight-for-Length or height (WfLH) was plotted in 31% (n = 81) of the RTHB.
    UNASSIGNED: The results demonstrated that certain anthropometric measures including MUAC, length, or height were absent from the records of the RTHB. Consequently, RTHB may not be effectively used as a means of evaluating nutritional status, affecting early detection of malnutrition in children.
    UNASSIGNED: The research makes a valuable addition to the existing body of knowledge for monitoring growth and measurement of anthropometric indices in the RTHB, as well as the appropriate execution of these practices.
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  • 文章类型: Journal Article
    幼儿发展(ECD)中心是南非重要的社区中心,是社区检测儿童营养问题的场所。这项研究旨在评估在纳尔逊·曼德拉湾的ECD中心,训练有素的ECD从业人员在最佳支持下正确分类婴幼儿营养状况的能力。
    描述性的,我们采用横断面研究收集了88个ECD中心的1645名婴儿和儿童的数据.由训练有素的现场工作人员进行人体测量,并在ECD中心对生长监测和促进基础设施进行了审计。
    样品,4.4%(n=72)按年龄Z评分(WAZ<-2)体重过轻,0.8%(n=13)体重过轻(WAZ<-3)。结果显示,年龄Z评分(HAZ<-2)的身高发育不良占13.1%(n=214),严重发育不良(HAZ<-3)占4.5%(n=74)。中度急性营养不良发生率为1.2%,重度急性营养不良发生率为0.5%,超重的患病率为9.2%,肥胖的患病率为4%。在所调查的所有人体测量指标中,观察到正确的解释与ECD从业人员的解释之间存在显着一致性。真阳性消瘦病例的平均上臂中围(MUAC)为14.6cm,这可以解释在确定为消瘦的儿童中发现的高假阴性率,其中ECD从业者未能使用体重进行身高Z评分(WHZ)解释进行筛查。
    通过使用ECD中心作为筛查营养不良的中心,它可能有助于早期发现幼儿未能茁壮成长。尽管令人担忧的是,训练有素的ECD从业者失踪了一些假阴性率高得令人无法接受的儿童,这可能是由于年龄较大的儿童的消瘦不能单独用MUAC识别,因此需要准确的WFH绘图.政府卫生工作者的现场指导可以使ECD从业人员更有信心根据常规的WFH测量结果筛查儿童的生长障碍。此外,幼儿发展训练业者会更有信心监察"健康之路"小册子,以防错过接种疫苗,维生素A和驱虫的机会。
    UNASSIGNED: Early childhood development (ECD) centres are important community hubs in South Africa and act as sites for community detection of childhood nutrition problems. This study aimed to assess the ability of trained ECD practitioners with optimal support to correctly classify the nutritional status of infants and young children at ECD centres in the Nelson Mandela Bay.
    UNASSIGNED: A descriptive, cross-sectional study was used to collect data from 1645 infants and children at 88 ECD centres. Anthropometric measurements were taken by trained fieldworkers and growth monitoring and promotion infrastructure was audited at ECD centres.
    UNASSIGNED: Of the sample, 4.4% (n = 72) were underweight by weight for age Z-score (WAZ < -2) and 0.8% (n = 13) were severely underweight (WAZ < -3). Results showed that 13.1% (n = 214) were stunted by height for age Z-score (HAZ < -2) and 4.5% (n = 74) were severely stunted (HAZ < -3). The prevalence of moderate acute malnutrition was 1.2% and severe acute malnutrition was 0.5%, while the prevalence of overweight was 9.2% and the prevalence of obesity was 4%. A significant level of agreement between the correct interpretation and the ECD practitioners\' interpretation was observed across all the anthropometric indicators investigated. The true positive wasting cases had a mean mid-upper arm circumference (MUAC) of 14.6 cm, which may explain the high false negative rate found in terms of children identified with wasting, where ECD practitioners fail to use the weight for height Z-score (WHZ) interpretation for screening.
    UNASSIGNED: By using ECD centres as hub to screen for malnutrition, it may contribute to the early identification of failure to thrive among young children. Although it was concerning that trained ECD practitioners are missing some children with an unacceptably high false negative rate, it may have been due to the fact that wasting in older children cannot be identified with MUAC alone and that accurate WFH plotting is needed. Onsite mentorship by governmental health workers may provide ECD practitioners with more confidence to screen children for growth failure based on regular WFH measurements. Moreover, ECD practitioners will be more confident to monitor the Road to Health booklets for missed vaccinations, vitamin A and deworming opportunities.
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  • 文章类型: Journal Article
    在孟加拉国,儿童发育迟缓是一个重大的公共卫生问题。这项研究分析了健康村计划的数据,旨在解决孟加拉国南部沿海儿童发育迟缓的问题。目的是评估儿童发育迟缓的患病率,并探讨方案领域的风险因素。横截面,对2018年至2021年发育迟缓的点患病率估计进行了二次数据分析,包括对132,038名5岁以下儿童的人体测量.多因素logistic回归分析进行危险因素分析(n=20,174)。发育迟缓的患病率从2018年的51%下降到2021年的25%。与富裕家庭相比,硬核穷人(aOR:1.46,95%CI:1.27,1.68)和穷人(aOR:1.50,95%CI:1.33,1.70)的发育迟缓风险增加,母亲为文盲(aOR:1.25,95%CI:1.09,1.44)并且可以读写(aOR:1.35,95%CI:1.16,1.56)的孩子与受过高等教育的母亲相比,1-2岁儿童与1岁以下儿童相比(aOR:1.32,95%CI:1.20,1.45)。计划领域的发育迟缓率在三年内减少了一半,比全国趋势更快。我们建议在解决发育迟缓时解决社会经济不平等问题,并在断奶早期为母亲提供有针对性的干预措施。
    Childhood stunting is a significant public health concern in Bangladesh. This study analysed the data from the Healthy Village programme, which aims to address childhood stunting in southern coastal Bangladesh. The aim was to assess childhood stunting prevalence over time and explore the risk factors in the programme areas. A cross-sectional, secondary data analysis was conducted for point-prevalence estimates of stunting from 2018 to 2021, including 132,038 anthropometric measurements of under-five children. Multivariate logistic regression analyses were conducted for risk factor analysis (n = 20,174). Stunting prevalence decreased from 51% in 2018 to 25% in 2021. The risk of stunting increased in hardcore poor (aOR: 1.46, 95% CI: 1.27, 1.68) and poor (aOR: 1.50, 95% CI: 1.33, 1.70) versus rich households, children with mothers who were illiterate (aOR: 1.25, 95% CI: 1.09, 1.44) and could read and write (aOR: 1.35, 95% CI: 1.16, 1.56) versus mothers with higher education, and children aged 1-2 years compared with children under one year (aOR: 1.32, 95% CI: 1.20, 1.45). The stunting rate was halved over three years in programme areas, which is faster than the national trend. We recommend addressing socioeconomic inequalities when tackling stunting and providing targeted interventions to mothers during the early weaning period.
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  • 文章类型: Journal Article
    在临床细菌学实验室,无菌板的读取和处理仍然是常规工作量的重要组成部分(30%-40%的板).这里,开发了一种用于细菌生长检测的算法,该算法从任何类型的标本开始,并使用细菌学中最常见的培养基。不仅在18-24小时和48小时,而且在早期生长监测系统开发的早期时间点评估了用于自动处理无菌板的算法的生长预测性能。使用接种有代表性临床样本的总共3,844个平板。这些板被成像15次,两位不同的微生物学家随机独立地阅读图像,创造了99,944个人类地面真理。该算法能够,在48小时,区分生长和无生长,灵敏度为99.80%(3,844个假阴性[FN]板)和特异性为91.97%。在24小时,敏感性和特异性分别达到99.08%和93.37%,分别。有趣的是,在人类真理阅读过程中,生长报告早在4小时,在6小时时,一半的阳性板已经显示出一些增长。在这种情况下,在正常无菌样品的情况下,自动早期生长监测被设想为微生物学家提供附加值,使他们能够优先阅读并向临床医生传达细菌生长的早期检测。
    In clinical bacteriology laboratories, reading and processing of sterile plates remain a significant part of the routine workload (30%-40% of the plates). Here, an algorithm was developed for bacterial growth detection starting with any type of specimens and using the most common media in bacteriology. The growth prediction performance of the algorithm for automatic processing of sterile plates was evaluated not only at 18-24 h and 48 h but also at earlier timepoints toward the development of an early growth monitoring system. A total of 3,844 plates inoculated with representative clinical specimens were used. The plates were imaged 15 times, and two different microbiologists read the images randomly and independently, creating 99,944 human ground truths. The algorithm was able, at 48 h, to discriminate growth from no growth with a sensitivity of 99.80% (five false-negative [FN] plates out of 3,844) and a specificity of 91.97%. At 24 h, sensitivity and specificity reached 99.08% and 93.37%, respectively. Interestingly, during human truth reading, growth was reported as early as 4 h, while at 6 h, half of the positive plates were already showing some growth. In this context, automated early growth monitoring in case of normally sterile samples is envisioned to provide added value to the microbiologists, enabling them to prioritize reading and to communicate early detection of bacterial growth to the clinicians.
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  • 文章类型: Journal Article
    目的身高速度是评估轻度或近期发作的身材矮小的关键人体测量参数;但是,没有关于南印度儿童身高速度的数据。我们进行了这项研究,以建立规范的数据。方法这项前瞻性纵向研究包括3327名来自克里希纳地区政府和私立学校的3至18岁明显健康的儿童,安得拉邦.身高和体重在基线和三个月间隔测量一年(2018年10月至2019年10月)。结果产生特定年龄和性别的身高速度百分位数。该数据适用于1627名男孩和1700名女孩。在12-12.9岁观察到的男孩的平均峰高速度(PHV)为7.18±2.56cm,在10-10.9岁观察到的女孩为5.8±2.56cm。结论已提供了南印度儿童的标准身高速度数据。
    Objective Height velocity is a crucial anthropometric parameter for the evaluation of mild- or recent-onset short stature; however, there is no data on height velocity in South Indian children. We undertook this study to establish the normative data. Methods This prospective longitudinal study included 3327 apparently healthy children aged three to 18 years from government and private schools of Krishna district, Andhra Pradesh. Height and weight were measured at baseline and three-monthly intervals for one year (October 2018 to October 2019). Results Age- and sex-specific height velocity percentiles were generated. The data was available in 1627 boys and 1700 girls. The mean peak height velocity (PHV) was 7.18±2.56 cm in boys observed at 12-12.9 years and 5.8±2.56 cm in girls at 10-10.9 years. Conclusion Normative height velocity data for South Indian children has been presented.
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  • 文章类型: Journal Article
    温度在植物的生命中起着至关重要的作用。目前的调查显示,光感受器,其活动受到地磁场的影响,是其感知的关键要素。这些知识表明,在不同的地磁条件下,植物对温度的反应可能会发生变化。为了检验这个假设,我们研究了随着地磁Kp指数的逐渐增加,泥炭藓泥炭藓对温度的生长响应的变化。通过对八个完整生长季节的详细监测,从卡累利阿泥潭中收集了该物种的生长数据。在此期间,测量了209,490个芽的生长,并获得了1439个生长速率。分析显示泥炭藓生长对温度有很强的正依赖性(r=0.58;n=1439;P=1.7×10-119),在0.87至1.61的Kp范围内最强(r=0.65;n=464;P=4.5×10-58)。从生长速率和温度中去除季节性影响后,此Kp间隔更加清晰,并且在使用昼夜温度时得以保留。我们的结果与该假设一致,并显示了地磁场对植物温度响应的未知贡献。
    Temperature plays an essential role in a plant\'s life. The current investigation reveals that photoreceptors, whose activity is affected by the geomagnetic field, are a critical element of its perception. This knowledge suggests that plants\' responses to temperature could shift in different geomagnetic conditions. To test this hypothesis, we studied the change in the growth response of the peat moss Sphagnum riparium to temperature with a gradual increase in the geomagnetic Kp index. Growth data for this species were collected from Karelian mires by detailed monitoring over eight full growing seasons. The growth of 209,490 shoots was measured and 1439 growth rates were obtained for this period. The analysis showed a strong positive dependence of sphagnum growth on temperature (r = 0.58; n = 1439; P = 1.7 × 10-119), which is strongest in the Kp range from 0.87 to 1.61 (r = 0.65; n = 464; P = 4.5 × 10-58). This Kp interval is clearer after removing the seasonal contributions from the growth rate and temperature and is preserved when diurnal temperature is used. Our results are consistent with the hypothesis and show the unknown contribution of the geomagnetic field to the temperature responses of plants.
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  • 文章类型: Journal Article
    人体测量参数在监测儿科生长中起着至关重要的作用。许多病因导致身材矮小。所以,在评估身材矮小的病因之前,需要解决。这项研究旨在筛选北阿坎德邦5至16岁的上学儿童的年龄矮小身材。
    在这项横断面观察研究中,经过学生的口头同意,测量了Rishikesh(Uttarakhand)5-16岁的4189名政府和私立学校学生的身高(通过测力计)和体重(通过体重机),并且个人的身高在给定年龄的平均身高的第3百分位数中,性别,和人口群体,被认为身材矮小。数据收集于2019年10月至2021年7月进行。数据根据不同的年龄组分为5-8岁,9-12年,13-16岁。数据记录在Microsoft(MS)Excel电子表格程序中。社会科学统计软件包(SPSS)v23(IBMCorp.)用于数据分析。描述性统计以连续变量的均值或标准偏差以及中位数或四分位数范围IQRs以及分类变量的频率和百分比的形式进行了阐述。卡方检验用于分类数据的分组比较。
    7.1%的儿童在喜马拉雅带中身材矮小(身高143.16±15.09厘米),男性在9-12岁时更容易身材矮小。
    在儿童的成长阶段,身材矮小的病因必须纠正,这样孩子们才能获得如此适当的成长。父母和医生必须及时评估和监测儿童的成长。这项研究可以成为进一步流行病学研究的垫脚石。
    UNASSIGNED: Anthropometric parameters play vital role in monitoring growth in pediatrics. Many etiological factors lead to short stature. So, before assessing the etiological factors short stature needs to be addressed. This study aimed to screen short stature for age in school-going children aged 5 to 16 years in Uttarakhand.
    UNASSIGNED: In this cross-sectional observational study, the height (through stadiometer) and weight (through weight machine) of 4189 students of government and private school in Rishikesh (Uttarakhand) aged 5-16 years were measured after the verbal assent of the students and individual\'s height is in the 3rd percentile for the mean height of a given age, sex, and population group and was considered short stature. The data collection was performed from October 2019 to July 2021. The data were categorized according to different age groups to 5-8 years, 9-12 years, and 13-16 years. The data were recorded in Microsoft (MS) Excel spreadsheet program. Statistical Package for the Social Sciences (SPSS) v23 (IBM Corp.) was used for data analysis. Descriptive statistics were elaborated in the form of means or standard deviations and medians or Interquartile range IQRs for continuous variables and frequencies and percentages for categorical variables. The Chi-square test was used for group comparisons for categorical data.
    UNASSIGNED: 7.1% of children were short stature (height 143.16 ± 15.09 cm) in the Himalayan belt, and males were more prone to short stature at age of 9-12 years.
    UNASSIGNED: In the growing phase of children, the etiology of short stature has to be rectified, so the children can achieve such proper growth. Parents and physicians have to assess and monitor the growth of children timely. This study can be a stepping stone for further epidemiological studies.
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  • 文章类型: Journal Article
    目的:推导出双胞胎相对于单胎的估计胎儿体重(EFW)的参考分布。
    方法:将单胎百分位数和EFW的妊娠年龄和绒毛膜特异性参考分布与来自四个欧洲中心的4,391例双胎妊娠和两个活产胎儿的数据拟合;有3,323例双胎(DC)和1,068例单绒毛膜双胎(MCDA)妊娠。妊娠年龄是使用在怀孕的头三个月期间获得的两个冠-臀部长度测量值中的较大者得出的。EFW是从头围的超声测量中获得的,腹围,和股骨长度使用Hadlock公式。使用胎儿医学基金会人口体重图获得单胎百分位数。将分层模型拟合到单例z分数,并带有自回归项,用于双胞胎内部和之间的序列相关性;将单独的模型拟合到DC和MCDA双胞胎。
    结果:双胎妊娠的胎儿在最早妊娠时往往比单胎小;MCDA为16周,DC双胞胎为20周。随后是大约24周的追赶增长期。之后,DC和MCDA双胞胎均显示生长减少.在DC双胞胎中,对应于第50百分位数的EFW是24周时单胎妊娠的第50百分位数,第43百分位数在28周,32周时的第31百分位数,36周时的第22百分位数。在MCDA双胞胎中,对应于第50百分位数的EFW是24周时单胎妊娠的第36百分位数,29日28周,第32周的第19天,和第12周在36周。
    结论:在DC和,在更大程度上,MCDA双胎妊娠,与单胎妊娠相比,胎儿的生长速度相对较低。此外,随着胎龄的增加,双胎妊娠和单胎妊娠之间的生长轨迹差异变得更加明显。本文受版权保护。保留所有权利。
    To derive reference distributions of estimated fetal weight (EFW) in twins relative to singletons.
    Gestational-age- and chorionicity-specific reference distributions for singleton percentiles and EFW were fitted to data on 4391 twin pregnancies with two liveborn fetuses from four European centers, including 3323 dichorionic (DC) and 1068 monochorionic diamniotic (MCDA) twin pregnancies. Gestational age was derived using the larger of the two crown-rump length measurements obtained during the first trimester of pregnancy. EFW was obtained from ultrasound measurements of head circumference, abdominal circumference and femur length using the Hadlock formula. Singleton percentiles were obtained using the Fetal Medicine Foundation population weight charts for singleton pregnancies. Hierarchical models were fitted to singleton Z-scores with autoregressive terms for serial correlations within the same fetus and between twins from the same pregnancy. Separate models were fitted for DC and MCDA twins.
    Fetuses from twin pregnancies tended to be smaller than singletons at the earliest gestational ages (16 weeks for MCDA and 20 weeks for DC twins). This was followed by a period of catch-up growth until around 24 weeks. After that, both DC and MCDA twins showed reduced growth. In DC twins, the EFW corresponding to the 50th percentile was at the 50th percentile of singleton pregnancies at 23 weeks, the 43rd percentile at 28 weeks, the 32nd percentile at 32 weeks and the 22nd percentile at 36 weeks. In MCDA twins, the EFW corresponding to the 50th percentile was at the 36th percentile of singleton pregnancies at 24 weeks, the 29th percentile at 28 weeks, the 19th percentile at 32 weeks and the 12th percentile at 36 weeks.
    In DC and, to a greater extent, MCDA twin pregnancies, fetal growth is reduced compared with that observed in singleton pregnancies. Furthermore, after 24 weeks, the divergence in growth trajectories between twin and singleton pregnancies becomes more pronounced as gestational age increases. © 2023 International Society of Ultrasound in Obstetrics and Gynecology.
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  • 文章类型: Journal Article
    由于发病率和死亡率,3至5岁儿童的常规医疗保健检查访问不足会造成巨大的经济和社会负担。没有定期的健康儿童访问和疫苗接种会导致可避免的疾病,强调需要重新强调儿童免疫接种和检查。在删除副本后最初筛选的160篇文章中,在两名独立审稿人进行初始标题和摘要筛选后,选择了45名进行全文审查。之后,20项研究在全文文章的最终评估过程中符合预定的纳入标准,并使用标准化表格从这些选定的研究中系统地提取数据,以确保准确性和一致性。良好的儿童访问促进整体发展,健康,以及三到五岁儿童的福祉。遵循既定准则和循证实践,医疗保健专业人员提供评估,疫苗接种,和健康未来的指导。尽管面临挑战,良好的儿童访问对预防保健至关重要,赋予儿童成长和发展的明智决策权力。好孩子访问的好处包括生长监测,预期指导,和预防措施,对患有慢性疾病的儿童至关重要。关键组成部分包括全面评估,发育筛查,视力和听力评估,免疫接种,健康教育,和咨询。在青少年糖尿病的情况下,父母的教育是最重要的。父母需要了解胰岛素给药的复杂性,包括基于葡萄糖测量的适当剂量计算,膳食计划,以及胰岛素注射时间的重要性。光明未来和美国儿科学会等组织实施指导方针和原则,确保整体护理,家长参与,和循证实践。本综述探讨了此类访问的最佳做法和准则,强调他们在监测和促进儿童发展中的作用。
    Inadequate routine healthcare check-up visits for children aged three to five years impose substantial economic and social burdens due to morbidity and mortality. The absence of regular well-child visits and vaccinations leads to avoidable diseases, underscoring the need for a renewed emphasis on childhood immunizations and check-ups. Out of 160 articles initially screened after removing duplicates, 45 were chosen for full-text review following initial title and abstract screening by two independent reviewers. Afterward, 20 studies met the predefined inclusion criteria during the final assessment of full-text articles, and data were systematically extracted from these selected studies using standardized forms to ensure accuracy and consistency. Well-child visits promote holistic development, health, and well-being in children aged three to five years. Following established guidelines and evidence-based practices, healthcare professionals provide assessments, vaccinations, and guidance for a healthy future. Despite challenges, well-child visits are vital for preventive care, empowering informed decisions for children\'s growth and development. The benefits of well-child visits encompass growth monitoring, anticipatory guidance, and preventive measures, crucial for children with chronic illnesses. Key components include comprehensive assessments, developmental screenings, vision and hearing evaluations, immunizations, health education, and counseling. In the case of juvenile diabetes, parental education is paramount. Parents need to understand the intricacies of insulin administration, including proper dosage calculation based on glucose measurements, meal planning, and the importance of timing insulin injections. Implementing guidelines and principles by organizations such as Bright Futures and the American Academy of Pediatrics ensures holistic care, parent involvement, and evidence-based practices. This review explores best practices and guidelines for such visits, emphasizing their role in monitoring and promoting children\'s development.
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  • 文章类型: Journal Article
    目的:使用新生儿重症监护病房(NICU)的住院时间来衡量发病率,目的是根据小于胎龄分类(SGA),使用双胞胎的第10百分位数或单胎的第10百分位数比较双胞胎和单胎.
    方法:比较了1,150例双胞胎和29,035例单胎新生儿的NICU住院时间,这些新生儿均在妊娠350至366周进行扫描。通过测量头围获得估计的胎儿体重,腹围和股骨长度使用Hadlock公式。使用两个双胞胎中较大的一个从孕早期的冠臀部长度测量中获得妊娠年龄。根据相对于胎儿医学基金会单胎和双胎参考分布的小分类,比较了单胎和双胞胎的NICU住院时间。
    结果:双胞胎和单胎新生儿进入NICU的总比例相似(7.3%vs,7.4%),但双胞胎往往在NICU住院时间更长(≥7天:2.4%的双胞胎与0.8%的单身人士,相对风险3.0,95%CI:1.6-4.4)。使用单例图,双胞胎被归类为SGA的比例比单胎高得多(37.2%vs.7.0%)。然而,进入NICU的SGA新生儿比例相似(双胞胎为10.3%,单胎为10.1%),并且双胞胎在NICU中花费≥7天的SGA新生儿比例明显高于单胎(3.7%与1.4%,风险比2.6,95%CI:1.1-4.7)。
    结论:当使用单例图定义双胞胎和单例中的SGA时,SGA双胞胎中与生长相关的新生儿发病率高于SGA单胎。因此,在双胞胎中使用单例图不会过度诊断胎儿生长受限,它们应用于监测双胞胎和单胎的胎儿生长。本文受版权保护。保留所有权利。
    To compare morbidity, as measured by length of stay in the neonatal intensive care unit (NICU), in twin and singleton gestations classified as small-for-gestational age (SGA) according to estimated fetal weight < 10th percentile on twin or singleton growth charts.
    NICU length of stay was compared in 1150 twins and 29 035 singletons that underwent ultrasound assessment between 35 + 0 and 36 + 6 weeks\' gestation. Estimated fetal weight was obtained from measurements of head circumference, abdominal circumference and femur length using the Hadlock formula. Gestational age was derived from the first-trimester crown-rump length measurement, using the larger of the two twins. Singletons and twins were compared in terms of NICU admission rate and length of stay according to classification as SGA by the Fetal Medicine Foundation singleton and twin reference distributions.
    The overall proportions of twins and singletons admitted to NICU were similar (7.3% vs 7.4%), but twins tended to have longer lengths of stay in NICU (≥ 7 days: 2.4% vs 0.8%; relative risk (RR), 3.0 (95% CI, 1.6-4.4)). Using the singleton chart, a higher proportion of twins were classified as SGA compared with singletons (37.6% vs 7.0%). However, the proportion of SGA neonates entering NICU was similar (10.2% for twins and 10.1% for singletons) and the proportion of SGA neonates spending ≥ 7 days in NICU was substantially higher for twins compared with singletons (3.7% vs 1.4%; RR, 2.6 (95% CI, 1.4-4.7)).
    When singleton charts are used to define SGA in twins and in singletons, there is a greater degree of growth-related neonatal morbidity amongst SGA twins compared with SGA singletons. Consequently, singleton charts do not inappropriately overdiagnose fetal growth restriction in twins and they should be used for monitoring fetal growth in both twins and singletons. © 2023 International Society of Ultrasound in Obstetrics and Gynecology.
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