Publications by authors named "Charlotte Niznik"

Background: Individuals who have gestational diabetes mellitus (GDM) are advised to engage in physical activity and healthy eating behaviors in the postpartum period to prevent type 2 diabetes. We aimed to understand individual perspectives on incorporating such lifestyle choices during the first postpartum year.

Methods: This was a mixed-methods analysis of data from individuals with GDM who completed surveys and in-depth interviews at 4-12 weeks and 11-13 months postpartum as part of their participation in a feasibility randomized controlled trial on postpartum patient navigation.

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Background: The COVID-19 pandemic accelerated telemedicine and mobile app use, potentially changing our historic model of maternity care. MyChart is a widely adopted mobile app used in health care settings specifically for its role in facilitating communication between health care providers and patients with its messaging function in a secure patient portal. However, previous studies analyzing portal use in obstetric populations have demonstrated significant sociodemographic disparities in portal enrollment and messaging, specifically showing that patients who have a low income and are non-Hispanic Black, Hispanic, and uninsured are less likely to use patient portals.

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Gestational diabetes mellitus (GDM) and hypertensive disorders of pregnancy (HDP) are risk factors for future cardiovascular disease, yet few individuals receive postpartum care with primary care clinicians (PCP). To facilitate transitions of care to PCPs and improve cardiovascular health monitoring within the first 13 months postpartum, we developed and piloted an enhanced postpartum referral pathway for patients with GDM or HDP. Eligible patients included those who received perinatal care at a large, urban, academic medical center, experienced GDM or HDP during their most recent pregnancy, and lacked an existing PCP.

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Background: The use of continuous subcutaneous insulin infusion (CSII) therapy in pregnancies affected by pregestational diabetes mellitus (DM) has generated mixed outcome data worthy of further investigation. This systematic review and meta-analysis aims to evaluate clinical outcomes associated with CSII versus multiple daily injections (MDIs) in pregnant persons with pregestational DM.

Methods: A predefined, systematic, librarian-assisted search of MEDLINE (PubMed), Embase, Cochrane Library, Scopus, ClinicalTrials.

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Introduction: Pain is the most common postpartum concern and has been associated with adverse outcomes, such as difficulty with neonatal bonding, postpartum depression, and persistent pain. Furthermore, racial and ethnic disparities in the management of postpartum pain are well described. Despite this, less is known regarding patients' lived experiences regrading postpartum pain.

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Background: Mobile health tools may be effective strategies to improve engagement, education, and diabetes-related health during pregnancy. We developed SweetMama, a patient-centered, interactive mobile application (app) designed to support and educate low-income pregnant people with diabetes. Our objective was to evaluate the SweetMama user experience and acceptability.

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Objective: This study was a systematic review aimed to assess published literature regarding healthcare-based interventions addressing food insecurity during pregnancy and their effects on patient-reported, pregnancy, or nutritional outcomes.

Data Sources: A systematic search was performed in February 2022 (subsequently updated in August 2022) using Embase, Medline, Cochrane Library, and Scopus using terms related to food insecurity interventions during pregnancy.

Study Eligibility Criteria: Studies examining healthcare-based interventions addressing food insecurity during pregnancy with patient-reported outcomes (eg, program satisfaction), adverse pregnancy outcomes (eg, preterm birth), or nutritional outcomes (eg, dietary intake) were included.

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Gestational diabetes mellitus and hypertensive disorders in pregnancy are adverse pregnancy outcomes (APOs) that affect 15% of pregnancies in the United States. These APOs have long-term health implications, with greater risks of future cardiovascular and chronic disease later in life. In this manuscript, we review the importance of timely postpartum follow-up and transition to primary care after APOs for future disease prevention.

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Background: People with gestational diabetes have enhanced learning requirements during pregnancy, and management of their disease often requires the translation of health information into new health behavior changes. Seeking information from the internet to augment learning from health professionals is becoming more common during pregnancy. YouTube is a popular free and accessible web-based resource, which may be particularly useful for individuals with low health literacy or other barriers to receiving high-quality health care; however, the quality and content of YouTube videos varies, and little is known about those covering gestational diabetes.

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Introduction: Our objective was to assess the association between the nurse providing bedside care and women's postpartum opioid use.

Methods: Retrospective study of all women who birthed at a single center (December 2015 to November 2016). Patient, prescriber, and clinical data were abstracted.

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Gestational and pregestational diabetes during pregnancy are substantial and growing public health issues. Low-income individuals and individuals who identify as racial and ethnic minorities are disproportionately affected. Food security, which is defined as the degree to which individuals have capacity to access and obtain food, is at the center of nutritional resources and decisions for individuals with diabetes.

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Objective: Mobile health (mHealth) technology can be an effective tool to deliver behavioral interventions to improve health outcomes for individuals with diabetes. However, there is limited evidence on mHealth for pregnant women managing diabetes or for the role of health care providers (HCPs) in delivering mHealth tools. To prepare for the development of a pregnancy-specific mHealth intervention for diabetes, we sought to understand HCPs' acceptance, utilization, and design recommendations for how mHealth technology can best be used to support the management of diabetes during pregnancy.

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Background: Mobile health (mHealth) technology that addresses diabetes mellitus in pregnancy has the potential to improve maternal and child health while diminishing socioeconomic and racial disparities. Little is known about health literacy, electronic health literacy, or patient characteristics that contribute to increased mHealth use. In this pilot study, we aimed to examine patient factors associated with user engagement with a novel app for diabetes support during pregnancy.

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Background: Rapid expansion of mobile technology has resulted in the development of many mobile health ("mHealth") platforms for health monitoring and support. However, applicability, desirability, and extent of tailoring of these platforms for pregnant women, particularly in populations who experience the greatest health inequities-such as women with diabetes mellitus (DM) and/or those with greater socioeconomic barriers-remains unknown. The objective is to understand low-income pregnant women's experiences and preferences for mHealth tools to support DM health and improve DM self-management during pregnancy.

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Objective: The study aimed to evaluate perinatal outcomes associated with introduction of and adherence to early diabetes screening guidelines.

Study Design: Retrospective cohort study of all women who received prenatal care at a single, high-volume tertiary care center before ("preguidelines") and after ("postguidelines") American College of Obstetrics and Gynecology guidelines for early pregnancy diabetes screening for women at high risk for diabetes. Women with known pregestational diabetes, late entry to prenatal care, a fetus with a known anomaly, or multiple gestation were excluded.

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Background: Given the growing burden of diabetes in underserved communities and the complexity of diabetes self-management during pregnancy, the development of interventions to support low-income pregnant women with diabetes is urgently needed.

Objective: This study aims to develop and pilot test a theory-driven curriculum of SMS text messaging for diabetes support and education during pregnancy.

Methods: This was a prospective pilot investigation of a novel SMS text messaging intervention offered to pregnant women with pregestational or gestational diabetes mellitus and publicly funded prenatal care.

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Objective: To examine whether an insulin protocol for intrapartum glucose control among parturients with diabetes was associated with improved outcomes.

Methods: This is a retrospective cohort study of women with pregestational or gestational diabetes delivering a liveborn neonate at Northwestern Memorial Hospital. Before 2011, women with diabetes were given intravenous (IV) insulin or glucose during labor at the discretion of the on-call endocrinologist.

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Background: Management of diabetes mellitus (DM) during pregnancy is burdensome given the intensity of required patient engagement and skills, especially for women with greater social disadvantage. Mobile health (mHealth) technology is a promising avenue for DM health promotion, but few evidence-based mHealth tools exist for pregnancy. Thus, we designed a theory-driven mHealth tool called SweetMama, and planned a priori to gather usability and acceptability feedback from patients and providers to ensure a user-centered design.

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| Treatment of gestational diabetes mellitus and type 2 diabetes during pregnancy can improve maternal and neonatal outcomes; yet, self-care burdens for pregnant women with diabetes are high, particularly for low-income and minority women. Although prior studies have investigated patient-perceived barriers and facilitators to diabetes self-management during pregnancy, little work investigates the perspectives of health care providers (HCPs) on these factors. The objective of this study was to investigate HCPs' perspectives on patient barriers and facilitators to diabetes care during pregnancy.

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Achieving maternal euglycemia in women with pregestational and gestational diabetes mellitus is critical to decreasing the risk of neonatal hypoglycemia, as maternal blood glucose levels around the time of delivery are directly related to the risk of hypoglycemia in the neonate. Many institutions use continuous insulin and glucose infusions during the intrapartum period, although practices are widely variable. At Northwestern Memorial Hospital, the "Management of the Perinatal Patient with Diabetes" policy and protocol was developed to improve consistency of management while also allowing individualization appropriate for the patient's specific diabetic needs.

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Gestational diabetes mellitus poses well-established risks to both the mother and infant. As >50% of women with gestational diabetes mellitus will develop type 2 diabetes mellitus in their lifetime, performing postpartum oral glucose tolerance testing is paramount to initiation of appropriate lifestyle interventions and pharmacologic therapy. Nonetheless, test completion among women with gestational diabetes mellitus is estimated to be <50%, with particularly low rates in Latina patients, as well as patients with public insurance, low education levels, and low health literacy.

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Diabetes during pregnancy is a substantial and growing public health problem disproportionately affecting women in racial/ethnic minority communities. Health literacy and numeracy are skills needed to function in the health care environment. By definition, health literacy is the degree to which individuals have the capacity to obtain, process, and understand basic health information and services needed to make appropriate health decisions.

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Objective: To identify social and environmental barriers to nutrition therapy for diabetes management during pregnancy among a population of low-income, minority pregnant women.

Design: Prospective, in-depth, semi-structured interviews performed serially during pregnancy and continued until thematic saturation was reached.

Setting: Urban academic medical center.

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While peer support has been investigated in multiple clinical contexts, its application to the postpartum setting is unknown. The aim was to assess acceptability of a postpartum peer support program for women with diabetes. Observational survey-based needs assessment of forty low-income women with diabetes, receiving care at a major medical institution.

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Objective: Diabetes in pregnancy is a significant problem for low-income, minority women. We sought to evaluate barriers to diabetes self-care during pregnancy in an underserved population.

Methods: Twenty-nine in-depth, semi-structured interviews were performed over 10 women's pregnancies to identify barriers to successful diabetes management, using cognitive load theory to frame interview questions.

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