Pregnancy Trimester, Third

妊娠三个月 ,Third
  • 文章类型: Systematic Review
    背景:胎儿运动监测是用于评估胎儿健康的策略之一。直到现在,大多数研究集中在胎儿运动减少和新生儿结局,尽管本系统综述和荟萃分析旨在评估胎动增加(IFM)与围产期结局之间的关联.
    方法:包括PubMed、Scopus,WebofScience,和EMBASE被系统地搜索了调查从开始到2023年7月胎动增加妇女围产期结局的研究.在此之后,随机效应荟萃分析模型用于获得包括围产期死亡率(死胎和早期新生儿死亡率)在内的综合诊断和预测参数,手术交付,阿普加得分,新生儿出生时复苏和NICU入院。
    结果:初筛后,纳入了7项研究,研究了妊娠晚期胎动增加与各种围产期结局之间的关系.Meta分析显示,与对照组相比,IFM患者的剖宫产风险显着降低。提示分娩时的潜在保护作用。然而,出生体重无统计学差异,胎龄婴儿小或大,新生儿重症监护病房入院,产妇年龄,脐带绕在脖子上,妊娠期糖尿病,和高血压,表明IFM可能不是不良围产期结局或孕产妇状况的主要预测因子。值得注意的是,IFM与更高的引产可能性显着相关。
    结论:研究结果表明,IFM可能对剖宫产具有保护作用。此外,IFM似乎与产妇年龄没有显着相关,脐带绕在脖子上,妊娠期糖尿病和高血压。然而,观察到的与引产的显著关联值得进一步研究.
    BACKGROUND: Fetal movement monitoring is one of the strategies used to assess the fetus\'s health. Until now, most studies focused on the decreased fetal movement and neonatal outcome, although this systematic review and meta-analysis is designed to assess the association between increased fetal movements (IFM) with perinatal outcomes.
    METHODS: The electronic databases including PubMed, Scopus, Web of Science, and EMBASE were systematically searched for studies investigating the perinatal outcome of women with increased fetal movements from inception to July 2023. Following that, a random-effect meta-analysis model was used to obtain the combined diagnostic and predictive parameters including perinatal mortality (still birth and early neonatal mortality), operative delivery, Apgar score, neonatal resuscitation at birth and NICU Admission.
    RESULTS: After the initial screening, seven studies examining the association between increased third trimester fetal movement and various perinatal outcomes were included. Meta-analysis revealed a significant reduction in the risk of cesarean delivery among patients with IFM compared to controls, suggesting a potential protective effect during childbirth. However, no statistically significant difference was observed in birth weight, small or large for gestational age births, neonatal intensive care unit admission, maternal age, umbilical cord around the neck, gestational diabetes mellitus, and hypertension, indicating that IFM may not be a major predictor of adverse perinatal outcomes or maternal conditions. Notably, IFM was significantly associated with a higher likelihood of labor induction.
    CONCLUSIONS: The findings suggest that IFM may have a protective effect against cesarean delivery. Additionally, IFM does not appear to be significantly associated with maternal age, umbilical cord around the neck, gestational diabetes mellitus and hypertension. However, the observed significant association with labor induction warrants further investigation.
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  • 文章类型: Review
    背景:怀孕期间腹膜后良性囊肿极为罕见,并且通常在达到非常大的尺寸之前一直无症状。诊断通常依赖于病理组织活检。进行1步或2步手术治疗的决定应针对每个病例而不是一概而论。
    方法:本病例报告介绍了一名孕妇的独特情况,该孕妇证实妊娠并伴有大的腹膜后囊肿。该患者在初次怀孕期间患有腹膜后囊肿,在第一次剖腹产时未被发现。然而,这是在她第二次怀孕时发现的,当时它已经长到13.0厘米×15.0厘米×25.0厘米,并从肝脏边缘延伸到右卵巢盆腔盆底漏斗韧带。因此,在她第二次剖腹产时顺利切除。
    方法:术后病理提示:巨大的腹膜后黏液性囊腺瘤。
    方法:再次剖宫产术中顺利切除巨大腹膜后囊肿,进行1步手术治疗。
    结果:在腰硬联合麻醉下,一名活女婴在383/7孕周分娩,新生儿体重为3200g。在气管插管全身麻醉下,腹膜后巨大囊肿顺利切除,无并发症。
    结论:本病例报告的发现有助于理解诊断模式,与妊娠相关的巨大腹膜后囊肿的手术方法和术后考虑。
    BACKGROUND: Retroperitoneal benign cysts during pregnancy are extremely rare and often remain asymptomatic until they attain a very large size. Diagnosis typically relies on a pathological tissue biopsy. The decision to pursue 1-step or 2-step surgical treatment should be tailored to each individual case rather than generalized.
    METHODS: This case report presents the unique scenario of a pregnant woman with a confirmed pregnancy complicated by a large retroperitoneal cyst. The patient had a retroperitoneal cyst during her initial pregnancy, which went undetected during the first cesarean section. However, it was identified during her second pregnancy by which time it had grown to 13.0 cm × 15.0 cm × 25.0 cm, and extended from the liver margin to right ovarian pelvic infundibulopelvic ligament. Consequently, it was removed smoothly during her second cesarean section.
    METHODS: Postoperative pathology results indicated a massive retroperitoneal mucinous cystadenoma.
    METHODS: The giant retroperitoneal cyst was smoothly excised during the second cesarean delivery for 1-step surgical treatment.
    RESULTS: Under the combined spinal and epidural anesthesia, a live female infant was delivered at 38 3/7 gestational weeks and the neonatal weight was 3200g. Under general anesthesia with endotracheal intubation, the giant retroperitoneal cyst was excised smoothly without complications.
    CONCLUSIONS: The findings of this case report contribute to the understanding of the diagnostic modalities, surgical approaches and postoperative considerations of giant retroperitoneal cysts associated with pregnancy.
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  • 文章类型: Journal Article
    背景:本研究旨在评估妊娠早期超声检测胎盘植入谱(PAS)的诊断准确性,并将其与妊娠中期和晚期超声在有PAS风险的妊娠中的准确性进行比较。
    方法:PubMed,Embase,和WebofScience,搜索数据库以确定从开始到3月10日发表的相关研究,2023年。纳入标准是所有研究,包括队列,病例控制,或横断面研究,评估了妊娠前14周(妊娠早期)或妊娠后14周(妊娠中期/妊娠中期)进行的妊娠早期超声诊断的准确性。主要结果是评估早期妊娠中超声检测PAS的诊断准确性,并将其与第二和第三孕期超声的准确性进行比较。次要结果是评估每种超声标记在妊娠三个月中的诊断准确性。参考标准为病理或手术检查证实的PAS。超声和不同超声征象检测PAS的潜力是通过计算灵敏度的摘要估计来评估的。特异性,诊断比值比(DOR)和阳性(LR+)和阴性(LR-)似然比。
    结果:共有37项研究,包括5,764例妊娠有PAS风险,有1348例确诊的PAS,包括在我们的分析中。荟萃分析的敏感性为86%(95%CI:78%,92%)和63%的特异性(95%CI:55%,70%)在孕早期,而敏感性为88%(95%CI:84%,91%),特异性为92%(95%CI:85%,96%)在第二/第三三个月期间。关于妊娠早期检查的超声标志物,下子宫血管过度表现出最高的敏感性,为97%(95%CI:19%,100%),和子宫膀胱界面不规则表现出最高的特异性为99%(95%CI:96%,100%)。然而,在第二/第三三个月,透明区损失的灵敏度最高,为80%(95%CI:72%,86%),而子宫膀胱界面不规则表现出99%的最高特异性(95%CI:97%,100%)。
    结论:妊娠早期超声诊断PAS的准确性与妊娠中期和妊娠晚期超声相似。对PAS高危患者进行常规的妊娠早期超声筛查可能会提高检出率,并允许早期转诊到三级护理中心进行妊娠管理。本文受版权保护。保留所有权利。
    OBJECTIVE: To assess the diagnostic accuracy of ultrasound for detecting placenta accreta spectrum (PAS) during the first trimester of pregnancy and compare it with the accuracy of second- and third-trimester ultrasound examination in pregnancies at risk for PAS.
    METHODS: PubMed, EMBASE and Web of Science databases were searched to identify relevant studies published from inception until 10 March 2023. Inclusion criteria were cohort, case-control or cross-sectional studies that evaluated the accuracy of ultrasound examination performed at < 14 weeks of gestation (first trimester) or ≥ 14 weeks of gestation (second/third trimester) for the diagnosis of PAS in pregnancies with clinical risk factors. The primary outcome was the diagnostic accuracy of sonography in detecting PAS in the first trimester, compared with the accuracy of ultrasound examination in the second and third trimesters. The secondary outcome was the diagnostic accuracy of each sonographic marker individually across the trimesters of pregnancy. The reference standard was PAS confirmed at pathological or surgical examination. The potential of ultrasound and different ultrasound signs to detect PAS was assessed by computing summary estimates of sensitivity, specificity, diagnostic odds ratio and positive and negative likelihood ratios.
    RESULTS: A total of 37 studies, including 5764 pregnancies at risk of PAS, with 1348 cases of confirmed PAS, were included in our analysis. The meta-analysis demonstrated that ultrasound had a sensitivity of 86% (95% CI, 78-92%) and specificity of 63% (95% CI, 55-70%) during the first trimester, and a sensitivity of 88% (95% CI, 84-91%) and specificity of 92% (95% CI, 85-96%) during the second/third trimester. Regarding sonographic markers examined in the first trimester, lower uterine hypervascularity exhibited the highest sensitivity (97% (95% CI, 19-100%)), and uterovesical interface irregularity demonstrated the highest specificity (99% (95% CI, 96-100%)). In the second/third trimester, loss of clear zone had the highest sensitivity (80% (95% CI, 72-86%)), and uterovesical interface irregularity exhibited the highest specificity (99% (95% CI, 97-100%)).
    CONCLUSIONS: First-trimester ultrasound examination has similar accuracy to second- and third-trimester ultrasound examinations for the diagnosis of PAS. Routine first-trimester ultrasound screening for patients at high risk of PAS may improve detection rates and allow earlier referral to tertiary care centers for pregnancy management. © 2024 International Society of Ultrasound in Obstetrics and Gynecology.
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  • 文章类型: Review
    背景:为了研究临床特征,怀孕护理,定时,和终止妊娠的方法以及异位嗜铬细胞瘤(EPCC)(副神经节瘤,PGL)。
    方法:报告1例妊娠晚期确诊的EPCC孕妇的诊治情况。检索了国内外与怀孕期间EPCC有关的文献,以进行数据分析,例如产妇的临床特征以及产妇和胎儿的预后。
    结果:共检索到20篇论文,其中21例(加上我们的)。妊娠患者的平均年龄为28岁(21至37岁)。两名患者未出现高血压。19例有不同程度的高血压并伴有头痛(11例,57.9%),心悸(8例,42.1%),出汗(6例,31.6%),恶心(6例),腹痛(2例),等。3例患者在胸部发现肿瘤,在1例患者的上腹部,在10名患者的腹部中部,3例患者在下腹部和盆腔之间,3例患者在盆腔中。五名患者在分娩前手术切除了肿瘤,3在剖宫产和分娩后10。
    结论:怀孕期间的EPCC(PGL)是一种罕见的肾上腺外肿瘤,其表现经常与妊娠高血压相混淆。手术前很难诊断疾病。如果患者的肿瘤在分娩前已被切除,则患者仍有机会进行自发分娩。然而,对于产前嗜铬细胞瘤局部化的患者,根据他们的产科情况,最好在适当的时间通过剖宫产终止妊娠,在多学科专家的监督下。通常在PGL切除手术之前进行的α和β肾上腺素能受体阻滞剂治疗的准备在剖宫产之前不必过分强调。
    BACKGROUND: To investigate the clinical features, pregnancy care, timing, and approaches of pregnancy termination as well as the perinatal management of pregnant women with ectopic pheochromocytomas (EPCC) (paragangliomas, PGL).
    METHODS: We report the diagnosis and treatment of a pregnant women with EPCC which was confirmed in the third trimester in our hospital. Literature in relation to EPCC during pregnancy both in and outside China was searched for data analysis such as maternal clinical features and maternal and fetal prognosis.
    RESULTS: A total of 20 papers including 21 cases (plus ours) were retrieved. The average age of pregnant patients was 28 years old (from 21 to 37). Two patients presented no hypertension. Nineteen had hypertension in various extent with the accompany of headache (11 cases, 57.9%), palpitations (8 cases, 42.1%), sweating (6 cases, 31.6%), nausea (6 cases), abdominal pain (2 cases), etc. The tumor was found in the chest in 3 patients, in the upper abdomen in 1 patient, in the middle abdomen in 10 patients, between the lower abdomen and pelvic cavity in 3 patients and in the pelvic cavity in 3 patients. Five patients had a surgical removal of the tumor before delivery, 3 during cesarean section and 10 after giving birth.
    CONCLUSIONS: EPCC (PGL) during pregnancy is a rare extra-adrenal tumor, whose manifestations are often confused with those of pregnancy-induced hypertension. It is extremely hard to diagnosis the disease before surgery. Patients still have an opportunity of undergoing spontaneous delivery if their tumors have been removed before labor. However, for patients whose pheochromocytomas is localized before labor, it is better to terminate their pregnancy via cesarean section in a proper time according to their obstetric conditions, while under the supervision of multidisciplinary specialists. The preparations of both α and β adrenergic receptor blocker treatment that is normally carried out before PGL removal surgery are unnecessary to be overemphasized before the cesarean section.
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  • 文章类型: Meta-Analysis
    全球范围内,睡眠障碍是孕妇中最重要的公共卫生问题,孕妇可能有不良的分娩结果,包括神经认知障碍,早产,低出生体重,以及新生儿发病率和死亡率。在埃塞俄比亚,据报道,孕妇睡眠障碍的患病率不一致。因此,本综述旨在评估埃塞俄比亚孕妇睡眠障碍的综合患病率及其相关因素.
    本观察性研究的系统评价和荟萃分析是根据PRISMA指南设计的。在PubMed进行了系统的文献搜索,Scopus,WebofScience,和谷歌学者使用相关的搜索关键术语。使用纽卡斯尔-渥太华量表评估所有选定文章的质量。使用STATA版本14软件分析数据。使用Egger测试和漏斗图检查发布偏差。Cochran卡方检验和I2值用于评估异质性。在荟萃分析中应用了固定效应模型。
    在这篇评论中,在审查了17,100篇文章后,纳入了6项研究。埃塞俄比亚孕妇睡眠障碍的合并患病率为50.43%(95CI:39.34-61.52)。妊娠晚期AOR=4.03;95%CI:2.84,5.71),多次妊娠(AOR=1.99;95%CI:1.54,2.59),计划外妊娠(AOR=2.56;95%CI:1.52,4.31),抑郁症(AOR=3.57;95%CI:2.04,6.27),应力(AOR=2.77;95%CI:1.57,4.88),焦虑(AOR=3.69;95%CI:1.42,9.59)和睡眠卫生不良(AOR=2.49;95%CI:1.56,3.99)与孕妇睡眠障碍有统计学关联。
    这篇综述显示,埃塞俄比亚孕妇的睡眠障碍程度相对较高,多种因素决定了睡眠-清醒模式受到干扰的可能性。因此,孕妇筛查后需要实施睡眠障碍干预措施.此外,应实施旨在预防意外妊娠和妊娠期抑郁的公共卫生干预措施.
    Globally, sleep disturbance is the foremost public health issue among pregnant women which might have undesirable birth outcome including neurocognitive impairment, preterm birth, low birth weight, and neonatal morbidity and mortality. In Ethiopia, inconsistent findings have been reported on the prevalence of sleep disturbance among pregnant women. Therefore, this review aims to estimate the pooled prevalence sleep disturbance and its associated factors among pregnant women in Ethiopia.
    This systematic review and meta-analysis of observational studies was designed according to the PRISMA guideline. A systematic search of literature was conducted in PubMed, Scopus, Web of science, and Google Scholar using relevant searching key terms. The Newcastle-Ottawa scale was used to evaluate the quality of all selected articles. Data were analyzed using STATA Version 14 software. Publication bias was checked using Egger\'s test and funnel plot. Cochran\'s chi-squared test and I2 values were used to assess heterogeneity. A fixed-effects model was applied during meta-analysis.
    In this review, six studies were included after reviewing 17,100 articles. The pooled prevalence of sleep disturbance among pregnant women in Ethiopia was 50.43% (95%CI: 39.34-61.52). Third trimester pregnancy AOR = 4.03; 95% CI: 2.84,5.71), multigravidity (AOR = 1.99; 95% CI: 1.54, 2.59), unplanned pregnancy (AOR = 2.56; 95% CI: 1.52,4.31), depression (AOR = 3.57; 95% CI: 2.04, 6.27), stress (AOR = 2.77; 95% CI: 1.57, 4.88), anxiety (AOR = 3.69; 95% CI: 1.42, 9.59) and poor sleep hygiene (AOR = 2.49; 95% CI: 1.56, 3.99) and were statistically associated with sleep disturbance among pregnant women.
    This review revealed that the magnitude of sleep disturbance among pregnant woman in Ethiopia was relatively high and multiple factors determined the likelihood of having a disturbed sleep-awake pattern. Thus, the implementation of interventions for sleep disturbance after screening pregnant women is needed. Moreover, public health interventions targeted on the prevention of unintended pregnancy and depression during pregnancy should be implemented.
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  • 文章类型: Meta-Analysis
    妊娠糖尿病(GDM)影响全球约14%的妊娠,并与母亲和孩子的短期和长期并发症有关。此外,GDM与慢性低度炎症有关,最近的研究表明病理生理学中潜在的免疫失调和调节性T细胞的差异。
    本系统综述和荟萃分析旨在确定GDM与外周血Tregs水平之间是否存在关联。
    文献检索在PubMed中进行,Embase,和奥维德在2022年2月7日至14日之间。纳入标准是以英语发表的任何原始研究,测量GDM女性与糖耐量孕妇的分化Tregs。在可比较的Treg标志物之间进行Meta分析。统计检验用于量化异质性:τ2、χ2和I2。使用改良版本的纽卡斯尔-渥太华量表评估研究质量。
    搜索产生了223个结果:8个研究纳入了综述,7个纳入了荟萃分析(GDM=228,对照=286)。对所有三个月的Treg分析显示,GDM女性的Treg数量显着降低(SMD,-0.76;95%CI,-1.37,-0.15;I2=90%)。这反映在特定Treg标志物的分析中(SMD-0.55;95%CI,-1.04,-0.07;I2=83%;妊娠晚期,五项研究)。在亚组内发现无显着差异(通过CD4+FoxP3+,CD4+CD127-,和CD4+CD127-FoxP3)。
    GDM与外周血中Treg数量减少有关。在怀孕早期,临床上有可能使用Treg水平作为GDM后续发展的预测工具.还存在通过增加Treg群体来预防GDM发展的潜在治疗干预。然而,Tregs介导GDM的确切机制尚不清楚.
    https://www.crd.约克。AC.英国/普劳里,标识符CRD42022309796。
    Gestational diabetes (GDM) affects approximately 14% of pregnancies globally and is associated with short- and long-term complications for both the mother and child. In addition, GDM has been linked to chronic low-grade inflammation with recent research indicating a potential immune dysregulation in pathophysiology and a disparity in regulatory T cells.
    This systematic review and meta-analysis aimed to determine whether there is an association between GDM and the level of Tregs in the peripheral blood.
    Literature searches were conducted in PubMed, Embase, and Ovid between the 7th and 14th of February 2022. The inclusion criteria were any original studies published in the English language, measuring differentiated Tregs in women with GDM compared with glucose-tolerant pregnant women. Meta-analysis was performed between comparable Treg markers. Statistical tests were used to quantify heterogeneity: τ 2, χ 2, and I 2. Study quality was assessed using a modified version of the Newcastle-Ottawa scale.
    The search yielded 223 results: eight studies were included in the review and seven in the meta-analysis (GDM = 228, control = 286). Analysis of Tregs across all trimesters showed significantly lower Treg numbers in women with GDM (SMD, -0.76; 95% CI, -1.37, -0.15; I 2 = 90%). This was reflected in the analysis by specific Treg markers (SMD -0.55; 95% CI, -1.04, -0.07; I 2 = 83%; third trimester, five studies). Non-significant differences were found within subgroups (differentiated by CD4+FoxP3+, CD4+CD127-, and CD4+CD127-FoxP3) of both analyses.
    GDM is associated with lower Treg numbers in the peripheral maternal blood. In early pregnancy, there is clinical potential to use Treg levels as a predictive tool for the subsequent development of GDM. There is also a potential therapeutic intervention to prevent the development of GDM by increasing Treg populations. However, the precise mechanism by which Tregs mediate GDM remains unclear.
    https://www.crd.york.ac.uk/prospero, identifier CRD42022309796.
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  • 文章类型: Journal Article
    这篇综述的目的是评估妊娠最后三个月使用非甾体抗炎药(NSAIDs)与羊水减少之间的关系。
    搜索了电子数据库(PubMed,Medline,和Scopus)。选择标准包括报告羊水过少与怀孕期间使用NSAID之间关系的研究。我们分析了女性的平均年龄,在药物施用开始时怀孕几周,一种药物,暴露时间和剂量,最深的垂直口袋(DVP),羊水指数(AFI)。
    在确定的68条记录中,我们分析了29项研究NSAIDs的使用情况,包括11项研究检查了吲哚美辛的给药,四篇文章集中讨论了尼美舒利的使用,只有两份手稿考虑使用双氯芬酸。我们发现羊水过少的发展与NSAIDs的使用之间存在严格的相关性。羊水过少是可逆的,治疗中断后羊水恢复正常。
    当产妇的益处大于潜在的胎儿风险时,应考虑使用非甾体抗炎药,在最短的持续时间的最低有效剂量。超过48小时的NSAIDs治疗,我们考虑超声监测羊水,如果AFI下降,我们建议停止治疗。
    UNASSIGNED: The aim of this review is to evaluate the relationship between the use of non-steroidal anti-inflammatory drugs (NSAIDs) during last trimesters of the pregnancy and the reduction of amniotic fluid.
    UNASSIGNED: Electronic databases were searched (PubMed, Medline, and Scopus). Selection criteria included studies reporting the relationship between oligohydramnios and use of NSAID during pregnancy. We analyzed the median age of women, weeks of pregnancy at the beginning of the drug administration, kind of medication, period of exposure and dosage, deepest vertical pocket (DVP), and amniotic fluid index (AFI).
    UNASSIGNED: Of the 68 records identified, we analyzed 29 studies investigating the administration of NSAIDs, including 11 studies examined the administration of the Indomethacin, four articles have focused on the use of Nimesulide, and only two manuscripts considered the use of Diclofenac. We found a strict correlation between the development of oligohydramnios and the use of NSAIDs. The oligohydramnios is reversible, and the normal amount of amniotic fluid is restored after the interruption of the treatment.
    UNASSIGNED: The use of NSAIDs should be considered when maternal benefits outweigh the potential fetal risk, at the lowest effective dose for shortest duration. Beyond 48 h of NSAIDs treatment, we consider ultrasound monitoring of amniotic fluid, and we suggest stopping therapy if a decline AFI is present.
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  • 文章类型: Journal Article
    背景:关于晚期妊娠糖尿病(GDM)对围产期结局的影响的证据不一致。
    目的:评估妊娠晚期(晚期GDM)诊断的GDM与不良产科和新生儿结局的关系。
    方法:我们搜索了Embase,Medline,和WebofScience从1990年1月1日至2022年6月16日进行观测研究。
    方法:晚期GDM定义为从头诊断,即在妊娠中期糖尿病筛查阴性后,在怀孕28周后。
    方法:每篇摘要和全文文章均由两位作者独立审查。使用纽卡斯尔-渥太华量表评估质量。使用随机效应模型计算汇总比值比(OR)和95%置信区间(CI)。
    结果:确定12项研究符合纳入标准,包括3103例患者(571例晚期GDM和3103例对照)。肩难产发生率(OR1.57,95%CI1.02-2.42,P=0.040),5分钟Apgar评分<7(OR1.80,95%CI1.14-2.86,P=0.024),剖宫产(OR1.98,95%CI1.51-2.60,P<0.001),晚期GDM妇女和紧急剖宫产(OR1.57,95%CI1.02-2.40,P=0.040)明显高于对照组。两组胎儿巨大儿的发生率相似,胎龄较大的胎儿,新生儿低血糖,和妊娠高血压疾病。
    结论:这项荟萃分析显示晚期GDM与不良围产期结局增加有关。前瞻性研究应评估重复妊娠晚期GDM筛查对围产期结局的影响。
    BACKGROUND: Evidence is inconsistent regarding the impact of late gestational diabetes mellitus (GDM) on perinatal outcomes.
    OBJECTIVE: To evaluate associations of GDM diagnosed in the third trimester (late GDM) with adverse obstetric and neonatal outcomes.
    METHODS: We searched Embase, Medline, and Web of Science from January 1, 1990 to June 16, 2022, for observational studies.
    METHODS: Late GDM was defined as a de novo diagnosis, i.e. after a negative screening for diabetes in the second trimester, and at later than 28 weeks of pregnancy.
    METHODS: Each abstract and full-text article was independently reviewed by the same two authors. Quality was assessed with the use of the Newcastle-Ottawa Scale. Summary odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using a random effects model.
    RESULTS: Twelve studies were identified as meeting the inclusion criteria, including 3103 patients (571 with late GDM and 3103 controls). Incidences of shoulder dystocia (OR 1.57, 95% CI 1.02-2.42, P = 0.040), 5-minute Apgar score <7 (OR 1.80, 95% CI 1.14-2.86, P = 0.024), cesarean delivery (OR 1.98, 95% CI 1.51-2.60, P < 0.001), and emergent cesarean delivery (OR 1.57, 95% CI 1.02-2.40, P = 0.040) were significantly higher among women with late GDM than among the controls. The groups showed similarity in the rates of fetal macrosomia, large-for-gestational-age fetuses, neonatal hypoglycemia, and hypertensive disorders of pregnancy.
    CONCLUSIONS: This meta-analysis showed associations of late GDM with increased adverse perinatal outcomes. Prospective studies should evaluate the impact on perinatal outcomes of repeated third-trimester screening for late GDM.
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  • 文章类型: Case Reports
    Objective.描述在妊娠晚期诊断为大宫颈肿块的病例,并在产后立即发展为Kasabach-Merritt现象(KMP),以及文献综述。方法。通过Medline/Pubmed进行病例报告和文献检索的描述,从开始到2022年12月进行了与KMP产前和产后诊断有关的文章。结果。一名36岁的经产妇女在妊娠40周时因宫缩入院,在原本平静的怀孕中。入院超声显示颈部后侧存在14x15厘米的大量肿块,高度血管化,没有血液动力学失衡的迹象.出生后,血液检查显示存在严重的贫血和血小板减少症,需要多次输血,等离子体,血小板和凝血因子。由于先天性血管瘤和血小板减少症的关联,因此诊断为KMP。在尝试保守治疗后,需要手术切除以停止血液学级联反应,症状消退.对文献的回顾确定了14篇文章,其中包括9例产前可疑的KMP和6例在产后立即诊断且没有胎儿积水的迹象。不良围产期结局,在产后死亡/终止妊娠方面,在产前可疑组中有67%的病例(6/9),在产后诊断为KMP的病例中观察到33%的病例。83%的围产期不良结局病例存在胎儿积水。Conclusions.Kasabach-Merrit综合征是一种罕见的疾病,当它在子宫内或出生后即刻发展时,它可能具有危险的进化,具有约50%的围产期死亡率的风险。即使胎儿没有贫血或心力衰竭的迹象,在产后立即发展它的风险很高,应该向夫妇提及。
    Objective. To describe the case of a large cervical mass diagnosed in the late third trimester with development of Kasabach-Merritt phenomenon (KMP) in the immediate postnatal period, along with a literature review.Methods. Description of case-report and literature search through Medline/Pubmed, performed from inception to December 2022 for articles relating to the pre and postnatal diagnosis of KMP.Results. A 36-year-old multiparous woman was admitted to hospital for contractions at 40 weeks of gestation, in an otherwise uneventful pregnancy. Admission\'s ultrasound showed the presence of a voluminous mass of 14x15 cm of the posterior side of the neck, highly vascularized, and no signs of hemodynamic imbalance. Postnatally, blood tests showed the presence of severe anemia and thrombocytopenia requiring several transfusions of blood, plasma, platelets and clotting factors. Due to the association of congenital hemangioma and thrombocytopenia a diagnosis of KMP was made. After attempts of conservative treatment, surgical removal was needed to stop the hematological cascade with regression of symptoms. The review of the literature identified 14 articles including 9 cases of prenatally suspected KMP and 6 diagnosed in the immediate postnatal period and without signs of fetal hydrops. Adverse perinatal outcome, in terms of postnatal death/termination of pregnancy, was observed in 67% of cases (6/9) in the prenatally suspected group and 33% of cases in those with a postnatal diagnosis of KMP. Fetal hydrops was present in 83% of cases with adverse perinatal outcome.Conclusions. The Kasabach-Merrit syndrome is a rare condition, which can have a dangerous evolution when it develops in utero or in the immediate postnatal period carrying a risk of perinatal mortality of approximately 50%. Even if the fetus shows no signs of anemia or heart failure, the risk of developing it in the immediate postnatal period is high and should be mentioned to the couple.
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  • 文章类型: Review
    背景:仰卧位与死产有关,可能继发于下腔静脉压迫,心输出量(CO)和子宫胎盘灌注减少。怀孕期间俯卧位影响的证据尚不清楚。本研究旨在确定产妇俯卧位对产妇血流动力学和胎儿心率的影响。与左侧位置相比。
    方法:21名妊娠28周的妇女每5分钟接受非侵入性CO监测(猎豹),并在左外侧(20分钟)进行连续胎心率监测(MONICA),俯卧(30分钟),其次是左外侧(20分钟)。通过问卷调查评估焦虑和舒适度。回归分析(根据时间调整)比较了不同位置之间的变量。从初步研究中得出的信息用于现有的孕妇循环数学模型中,以确定下腔静脉阻塞是否可以解释观察到的影响。此外,进行范围审查以确定报告的临床,孕妇俯卧位的血流动力学和胎儿影响;如果研究报告了临床结局或影响或孕妇在怀孕期间俯卧位,则纳入研究。研究记录按出版物类型分组,以便于数据综合和批判性分析。在有足够研究的地方进行荟萃分析。
    结果:俯卧位产妇血压(BP)和总血管阻力(TVR)升高(sBP109vs104mmHg,p=0.03;dBP74vs.67mmHg,p=0.003;TVR1302对1075达因。s-1cm-5,p=0.03)。俯卧位中的CO减少(5.7对7.1mL/分钟,p=0.003)。胎儿心率,变异性和减速率没有改变。然而,俯卧位的胎儿加速度较少(86%vs95%,p=0.03)。手术后焦虑减轻,与之前相比(p=0.002),尽管舒适度略有下降(p=0.04)。该模型预测,如果下腔静脉闭塞发生,sBP,DBP和CO通常会降低。然而,TVR保持相对一致,这意味着当闭塞发生时,MAP和CO以相似的速率降低。范围审查发现,来自47名孕妇和胎儿的结局包括妊娠期间俯卧位的病例报告,总体上是有利的。三项调查俯卧位对母体血流动力学影响的前瞻性研究的荟萃分析发现sBP和母体心率增加,但对呼吸频率没有影响,氧饱和度或基线胎儿心率(尽管研究之间存在显著异质性).
    结论:俯卧位与CO降低相关,但对胎儿健康的影响不确定。CO的下降可能是由于腔内压缩,由计算模型支持。需要进一步的工作来优化怀孕中俯卧位的安全性。
    背景:该试验已在clinicaltrials.gov(NCT04586283)注册。
    Supine sleep position is associated with stillbirth, likely secondary to inferior vena cava compression, and a reduction in cardiac output (CO) and uteroplacental perfusion. Evidence for the effects of prone position in pregnancy is less clear. This study aimed to determine the effect maternal prone position on maternal haemodynamics and fetal heart rate, compared with left lateral position.
    Twenty-one women >28 weeks\' gestation underwent non-invasive CO monitoring (Cheetah) every 5 minutes and continuous fetal heart rate monitoring (MONICA) in left lateral (20 minutes), prone (30 minutes), followed by left lateral (20 minutes). Anxiety and comfort were assessed by questionnaires. Regression analyses (adjusted for time) compared variables between positions. The information derived from the primary study was used in an existing mathematical model of maternal circulation in pregnancy, to determine whether occlusion of the inferior vena cava could account for the observed effects. In addition, a scoping review was performed to identify reported clinical, haemodynamic and fetal effects of maternal prone position; studies were included if they reported clinical outcomes or effects or maternal prone position in pregnancy. Study records were grouped by publication type for ease of data synthesis and critical analysis. Meta-analysis was performed where there were sufficient studies.
    Maternal blood pressure (BP) and total vascular resistance (TVR) were increased in prone (sBP 109 vs 104 mmHg, p = 0.03; dBP 74 vs 67 mmHg, p = 0.003; TVR 1302 vs 1075 dyne.s-1cm-5, p = 0.03). CO was reduced in prone (5.7 vs 7.1 mL/minute, p = 0.003). Fetal heart rate, variability and decelerations were unaltered. However, fetal accelerations were less common in prone position (86% vs 95%, p = 0.03). Anxiety was reduced after the procedure, compared to beforehand (p = 0.002), despite a marginal decline in comfort (p = 0.04).The model predicted that if occlusion of the inferior vena cava occurred, the sBP, dBP and CO would generally decrease. However, the TVR remained relatively consistent, which implies that the MAP and CO decrease at a similar rate when occlusion occurs. The scoping review found that maternal and fetal outcomes from 47 included case reports of prone positioning during pregnancy were generally favourable. Meta-analysis of three prospective studies investigating maternal haemodynamic effects of prone position found an increase in sBP and maternal heart rate, but no effect on respiratory rate, oxygen saturation or baseline fetal heart rate (though there was significant heterogeneity between studies).
    Prone position was associated with a reduction in CO but an uncertain effect on fetal wellbeing. The decline in CO may be due to caval compression, as supported by the computational model. Further work is needed to optimise the safety of prone positioning in pregnancy.
    This trial was registered at clinicaltrials.gov (NCT04586283).
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