Publications by authors named "Aaron Poole"

Objective: This study aimed to assess trends and correlates of severe maternal morbidity at delivery among active duty women in the U.S. military, all of whom are guaranteed health care and full employment.

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Objective To evaluate the ability of estimated blood loss (EBL) and quantitative blood loss (QBL) to predict the need for blood transfusion in postpartum patients. Methods This is a retrospective observational study involving all deliveries one year before and after the change from EBL to QBL assessment in June 2017. Blood loss, need for blood transfusion, admission hematocrit, and postpartum nadir hematocrit were collected.

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Introduction Postpartum hemorrhage is a leading cause of maternal mortality worldwide. Performance of a postpartum hemorrhage risk assessment prior to delivery has been recommended to identify patients at higher risk for hemorrhage to support advanced planning for optimal response. The objective of this quality improvement initiative is to evaluate the transfusion and hemorrhage rates for patients at low, moderate, and high risk for postpartum hemorrhage by utilizing standardized risk assessment.

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 To evaluate the relationship between maternal fever at the time of hospital admission and subsequent maternal morbidity in pregnant patients with pyelonephritis.  In this retrospective cohort study, inpatient records were reviewed for all obstetric patients discharged from a single tertiary care hospital between June 1, 2011, and May 30, 2017, with the diagnosis of pyelonephritis. Patients were stratified into two groups, those with and without fever at the time of admission.

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Background And Objective: Different biological models have shown how mechanical stimulation may induce physiological responses from solicited cells, tissues, or organs. In models of cultured skin cells, the frequency of the mechanical stress appears to be a paramount parameter, generating a biological response in some cells, particularly from dermal fibroblasts. Our objective was to explore in ex vivo human skin explants the effects of mechanical stimulation.

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Acute otitis media is one of the most common childhood infections worldwide. Currently licensed vaccines against the common otopathogen target the bacterial capsular polysaccharide and confer no protection against nonencapsulated strains or capsular types outside vaccine coverage. Mucosal infections such as acute otitis media remain prevalent, even those caused by vaccine-covered serotypes.

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Objective: To evaluate the association of a standardized, structured approach to in-hospital postcesarean delivery pain management with maternal opioid use after cesarean delivery.

Methods: We conducted a retrospective cohort study of women who underwent cesarean delivery before and after a quality improvement intervention at a single tertiary care center. A multidisciplinary task force revised electronic order sets for all patients who underwent cesarean delivery with neuraxial anesthesia.

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The most frequent ailment for which antibiotics are prescribed is otitis media (ear infections), which is most commonly caused by , , and Treatment of otitis media is complicated by the fact that the bacteria in the middle ear typically form biofilms, which can be recalcitrant to antibiotic treatment. Furthermore, bacterial respiratory infections can be greatly exacerbated by viral coinfection, which is particularly evidenced by the synergy between influenza and In this study, we sought to ascertain the efficacy of aminomethyl spectinomycin lead 1950, an effective antibacterial agent both and against in the context of complex respiratory infections and acute otitis media. A single dose of 1950 significantly reduced bacterial burden in the respiratory tract for all three pathogens, even when species were present in a coinfection model.

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 Aim of this study was to introduce posterior axilla sling traction (PAST) in delivering providers and nursing staff as an adjunct to the management of shoulder dystocia and evaluate comfort in performing the maneuver.  A presimulation questionnaire had given to all participants. A brief training on how to perform PAST was also given.

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Objective: Epidemiological studies suggest that lactation is associated with long-term maternal health benefits. To avoid confounders in human studies, we used a previously characterized murine model to investigate the long-term effect of lactation on both cardiovascular function and adiposity.

Study Design: After the delivery of the pups, CD-1 female mice were randomly divided into two groups: lactated and nonlactated (NL).

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A novel mutation in the ACTG2 gene is described in a pregnant patient followed up for chronic intestinal pseudoobstruction (CIPO) during pregnancy and her fetus with megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS). 24-year-old gravida 1 para 1 with CIPO and persistent nausea and vomiting in pregnancy, admitted at 28 weeks of gestation. Ultrasound revealed a fetus measuring greater than the 95th percentile, polyhydramnios, and megacystis.

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Many ribonucleoproteins (RNPs), which are comprised of noncoding RNA and associated proteins, are involved in essential cellular processes such as translation and pre-mRNA splicing. One class of RNP is the small Cajal body-specific RNP (scaRNP), which contributes to the biogenesis of small nuclear RNPs (snRNPs) that are central components of the spliceosome. Three scaRNAs are internally processed, generating stable nucleolus-enriched RNAs of unknown function.

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 Massive transfusion protocols (MTPs) have been examined in trauma. The exact ratio of packed red blood cells (PRBC) to other blood replacement components in hemostatic resuscitation in obstetrics has not been well defined.  The objective of this study was to evaluate hemostatic resuscitation in peripartum hysterectomy comparing pre- and postinstitution of a MTP.

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Background: Gestational diabetes mellitus (GDM) is a metabolic disorder characterized by insulin resistance (IR) and altered glucose-lipid metabolism. We propose that ectonucleotide pyrophosphate phosphodiesterase-1 (ENPP1), a protein known to induce adipocyte IR, is a determinant of GDM. Our objective was to study ENPP1 expression in adipose tissue (AT) of obese pregnant women with or without GDM, as well as glucose tolerance in pregnant transgenic (Tg) mice with AT-specific overexpression of human ENPP1.

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The biogenesis of small nuclear ribonucleoproteins (snRNPs), small Cajal body-specific RNPs (scaRNPs), small nucleolar RNPs (snoRNPs) and the telomerase RNP involves Cajal bodies (CBs). Although many components enriched in the CB contain post-translational modifications (PTMs), little is known about how these modifications impact individual protein function within the CB and, in concert with other modified factors, collectively regulate CB activity. Since all components of the CB also reside in other cellular locations, it is also important that we understand how PTMs affect the subcellular localization of CB components.

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Many cellular functions, such as translation, require ribonucleoproteins (RNPs). The biogenesis of RNPs is a multi-step process that, depending on the RNP, can take place in many cellular compartments. Here we examine 2 different RNPs: telomerase and small Cajal body-specific RNPs (scaRNPs).

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Telomerase is a ribonucleoprotein comprising telomerase RNA and associated proteins. The formation of the telomerase holoenzyme takes place in the Cajal body (CB), a subnuclear domain that participates in the formation of ribonucleoproteins. CBs also contribute to the delivery of telomerase to telomeres.

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Objective: Lactation is associated with reduction in maternal metabolic disease and hypertension later in life; however, findings in humans may be confounded by socioeconomic factors. We sought to determine the independent contribution of lactation on cardiovascular parameters and adiposity in a murine model.

Study Design: Following delivery, CD-1 female mice were randomly divided into 2 groups: lactated (L; nursed pups for 3 weeks, n = 10), and nonlactated (NL; pups were removed after birth, n = 12).

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Objective: To define abdominal ectopic pregnancy outcomes by both location and treatment.

Methods: Literature review of abdominal pregnancies from 1965 to August of 2009. Ectopic pregnancy exclusions were interstitial, tubal, cervical, ovarian, or those beyond 20 weeks at diagnosis/treatment.

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Background: Despite the widely accepted use of membrane sweeping to prevent postmaturity pregnancies, the optimal frequency for this procedure has not been established.

Aim: To determine if the frequency of membrane sweeping in women with an unfavorable cervix at term results in fewer labor inductions.

Methods: This was a randomized trial of women with an unfavorable cervix (Bishop's score of ≤4) at 39 weeks randomized into three groups: control, once-weekly membrane sweeping, and twice-weekly membrane sweeping.

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Objective: To determine if pregnancies with an abnormal glucose challenge test (GCT) but a normal (GTT) are at increased risk for fetal macrosomia or an adverse pregnancy outcome.

Study Design: This prospective observational study matched women with an abnormal glucose challenge test and a normal GTT with the next patient with a normal GCT.

Results: Over 12 months, 107 women with abnormal GCT were matched with 107 women with normal GCT.

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