Publications by authors named "Amanda Craig"

Background: The dural puncture epidural technique is a modification of the combined spinal-epidural technique. Data comparing the two techniques are limited. We performed this randomised study to compare the quality of labour analgesia following initiation of analgesia with the dural puncture epidural vs.

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  • The study investigates pregnancy and delivery outcomes for women with hereditary hemorrhagic telangiectasia (HHT), focusing on severe maternal morbidity (SMM) and other related complications.
  • A significant rise in HHT diagnoses during pregnancy was observed from 2010 to 2021, with women diagnosed showing higher rates of complications compared to those without HHT.
  • Key findings include increased risks for SMM, preterm birth, cesarean delivery, respiratory bleeding, and cerebrovascular complications in pregnant women with HHT.
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Importance: The latent phase of labor poses a challenge for pregnant patients due to the limited options available for pain relief and management. Therapeutic rest, an intervention involving medication administration during this phase, has shown promise in addressing prelabor discomfort and anxiety.

Objective: To emphasize the significance of therapeutic rest during early labor, describe methods of administering this intervention, review data on efficacy and maternal/fetal outcomes, and determine appropriate criteria and timing of utilization.

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  • Pancreatic ductal adenocarcinoma (PDAC) has different molecular subtypes, including a more aggressive basal-like/squamous subtype and a less aggressive classical/progenitor subtype.
  • A study identified that the adrenoceptor alpha 2A (ADRA2A) gene is downregulated in the aggressive subtype and its lower expression correlates with worse patient outcomes, including more metastasis and decreased survival.
  • Experimental results showed that increasing ADRA2A levels can reduce characteristics of the aggressive subtype while enhancing those of the less aggressive subtype, suggesting it could be a valuable target for diagnosis and treatment in PDAC.
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Pancreatic ductal adenocarcinoma (PDAC) manifests diverse molecular subtypes, including the classical/progenitor and basal-like/squamous subtypes, with the latter known for its aggressiveness. We employed integrative transcriptome and metabolome analyses to identify potential genes contributing to the molecular subtype differentiation and its metabolic features. Transcriptome analysis in PDAC patient cohorts revealed downregulation of adrenoceptor alpha 2A (ADRA2A) in the basal-like/squamous subtype, suggesting its potential role as a candidate suppressor of this subtype.

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Pancreatic ductal adenocarcinoma (PDAC) is a heterogeneous disease with distinct molecular subtypes described as classical/progenitor and basal-like/squamous PDAC. We hypothesized that integrative transcriptome and metabolome approaches can identify candidate genes whose inactivation contributes to the development of the aggressive basal-like/squamous subtype. Using our integrated approach, we identified endosome-lysosome associated apoptosis and autophagy regulator 1 (ELAPOR1/KIAA1324) as a candidate tumor suppressor in both our NCI-UMD-German cohort and additional validation cohorts.

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Pancreatic ductal adenocarcinoma (PDAC) encompasses diverse molecular subtypes, including the classical/progenitor and basal-like/squamous subtypes, each exhibiting distinct characteristics, with the latter known for its aggressiveness. We employed an integrative approach combining transcriptome and metabolome analyses to pinpoint potential genes contributing to the basal-like/squamous subtype differentiation. Applying this approach to our NCI-UMD-German and a validation cohort, we identified LIM Domain Only 3 (LMO3), a transcription co-factor, as a candidate suppressor of the basal-like/squamous subtype.

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A tumor ecosystem constantly evolves over time in the face of immune predation or therapeutic intervention, resulting in treatment failure and tumor progression. Here, we present a single-cell transcriptome-based strategy to determine the evolution of longitudinal tumor biopsies from liver cancer patients by measuring cellular lineage and ecology. We construct a lineage and ecological score as joint dynamics of tumor cells and their microenvironments.

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We present 2 cases of patients with left ventricular assist device who underwent an induced abortion in the first and second trimester, respectively. Comprehensive counseling is critical for this patient population, and close coordination of interdisciplinary teams is required in the setting of continuing pregnancy or medically indicated abortion.

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Primary liver cancer (PLC) consists of two main histological subtypes; hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA). The role of transcription factors (TFs) in malignant hepatobiliary lineage commitment between HCC and iCCA remains underexplored. Here, we present genome-wide profiling of transcription regulatory elements of 16 PLC patients using single-cell assay for transposase accessible chromatin sequencing.

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  • Improved survival rates after heart transplantation (HT) have led more recipients to consider pregnancy, but there is limited data on the associated outcomes.
  • In a study analyzing over 19 million deliveries in the U.S., HT recipients were found to have significantly higher risks for severe maternal morbidity (SMM), preterm birth, and readmission within one year after delivery compared to non-HT recipients.
  • The findings indicate that women with a history of HT face 16 to 38 times greater odds of suffering from various complications during and after pregnancy, highlighting the need for careful counseling for these patients.
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The Delta pandemic wave saw increased maternal morbidity and mortality compared to prior viral strains. COVID-19 vaccination in pregnancy elicits detectable levels of neutralizing antibodies to SARS-CoV-2 wild type and SARS-CoV-2 Delta variants in both maternal and neonatal samples at delivery. Our results demonstrate the effectiveness of vaccination which confers an immunological response against newer, and potentially more dangerous, viral variants.

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Online information influences health care decisions and may contribute to vaccine hesitancy among pregnant individuals. We assessed the quality (reliability and comprehensiveness) of YouTube videos about COVID-19 vaccination in pregnancy. We systematically identified videos and recorded video information and quality.

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Importance: Autoimmune and rheumatologic conditions can lead to multiple adverse maternal, obstetric, and neonatal outcomes, especially if they flare during pregnancy. Although many medications to control these conditions exist, concerns regarding their safety often unnecessarily limit their use.

Objective: We aim to review the current evidence available describing the use of monoclonal antibody (mAb) therapeutics in pregnancy and postpartum and understand the impact of their use on the developing fetus and neonate.

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Canonical transient receptor potential (TRPC) non-selective cation channels, particularly those assembled with TRPC3, TRPC6, and TRPC7 subunits, are coupled to G-type G protein-coupled receptors for the major classes of excitatory neurotransmitters. Sustained activation of this TRPC channel-based pathophysiological signaling hub in neurons and glia likely contributes to prodigious excitotoxicity-driven secondary brain injury expansion. This was investigated in mouse models with selective Trpc gene knockout (KO).

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Background: To standardize research terminology and to reduce unanticipated placenta accreta spectrum, the European Working Group for Abnormally Invasive Placenta developed a consensus checklist for reporting suspected placenta accreta spectrum observed during an antenatal ultrasound. The diagnostic accuracy of the European Working Group for Abnormally Invasive Placenta checklist has not been assessed.

Objective: This study aimed to test the performance of the European Working Group for Abnormally Invasive Placenta sonographic checklist in predicting histologic placenta accreta spectrum.

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Background & Aims: Primary liver cancer (PLC) comprises hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA), two frequent and lethal tumour types that differ regarding their tumour biology and responses to cancer therapies. Liver cells harbour a high degree of cellular plasticity and can give rise to either HCC or iCCA. However, little is known about the cell-intrinsic mechanisms directing an oncogenically transformed liver cell to either HCC or iCCA.

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  • Stress urinary incontinence (SUI) and pelvic organ prolapse (POP) are common pelvic floor disorders, prompting the establishment of the Australasian Pelvic Floor Procedure Registry (APFPR) to track and improve the outcomes of surgeries involving these conditions.
  • The registry follows national standards for clinical quality, using a modified Delphi process to create a dataset and collects data primarily from participating surgeons, while also incorporating patient-reported outcome measures (PROMs).
  • As of January 2023, the APFPR has 32 active sites across Australia for patient recruitment, with some sites already collecting data and others in the governance approval process.
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Objective: The COVID pandemic has been associated with varied effects on preterm birth (PTB). We sought to compare rates of PTB during the pre- and post vaccination COVID periods with pre-pandemic PTB rates, stratified by race and ethnicity.

Study Design: Retrospective cohort comparing all deliveries over 20 weeks at a single tertiary center during "early" (March 2020-June 2020) versus "late" COVID (March 2021-June 2021), and "late" COVID versus pre-COVID (March to June 2014-2019).

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Background: Medically indicated delivery can be defined as delivery owing to intervention for maternal or fetal well-being-most commonly because of preeclampsia or nonreassuring fetal status. Among the general population of the United States, approximately two-thirds of preterm deliveries are because of spontaneous labor and/or premature rupture of membranes, whereas the remaining one-third are medically indicated. Despite the increased risk of preterm birth among women with sickle cell disease, the specific etiologies have not been described in the medical literature.

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  • Innate lymphoid cells (ILCs) are diverse immune cells whose roles in liver cancer (specifically hepatocellular carcinoma or HCC) are still being discovered, including their presence in blood samples from HCC patients.
  • A study analyzed ILCs in the peripheral blood of HCC patients before and after treatment with immune checkpoint inhibitors (ICIs), finding increased ILC1 and decreased ILC3 cells, as well as a unique subset of NK-like ILCs with cytotoxic markers that improved after treatment.
  • The research revealed that changes in ILC populations, especially the NK-like ILCs, were linked to better patient outcomes, suggesting that ILCs could serve as valuable indicators for studying the innate immune
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Objective: We sought to evaluate and describe the maternal and obstetric morbidity associated with Listeria infection in pregnancy.

Methods: Retrospective cohort of pregnant women using the 2007-2018 National Inpatient Sample. Pregnant women with discharge diagnosis codes consistent with Listeria infection were identified.

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  • - Non-alcoholic steatohepatitis (NASH) is rapidly becoming a leading cause of liver cancer (hepatocellular carcinoma, HCC) and may reduce the effectiveness of immune checkpoint inhibitors (ICI) used for treatment.
  • - Research using mouse models showed that NASH disrupts CD8 T cells' metabolism and mobility, diminishing their response to anti-PD-1 therapy against liver cancer.
  • - Metformin treatment was found to improve the efficacy of anti-PD-1 therapy in liver cancer associated with NASH, indicating potential therapeutic benefits for patients with this condition.
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