Publications by authors named "Gregory Fritz"

Background: Laparoscopic sleeve gastrectomy (LSG) is the most common bariatric surgery performed worldwide. The Titan stapler aims to standardize the sleeve gastrectomy by eliminating inconsistencies and simplifying the procedure.

Methods: A retrospective chart review was performed on all patients > 18 years of age undergoing LSG using the Titan.

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Introduction: Failure of the cricopharyngeus to relax results in oropharyngeal dysphagia, which over time results in hypertrophy and increased risk for aspiration. Open myotomy is one definitive treatment option, however there are several drawbacks attributable to the long neck incision, ± drain placement, and invasiveness of the procedure. We aim to share our experience using the DaVinci robotic platform to perform a minimally invasive cricopharyngeal myotomy, which has never been described before in the literature.

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Background: COVID-19 has overwhelmed many health care systems which has affected the landscape of elective surgery. A pandemic driven protocol was developed to perform foregut surgeries as a Same Day Surgery (SDS) discharge for all comers to reduce resource utilization.

Methods: Retrospective review of all patients who underwent elective laparoscopic foregut surgery (hiatal hernia, paraesophageal hernia, heller myotomy, and fundoplication) from 8/1/2020-1/31/2022 by a single surgeon after the implementation of a SDS protocol.

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Objective: To estimate additional payments associated with co-existing mental health or substance use disorders (MH/SUDs) among commercially insured children and youth with chronic medical conditions (CMCs) and to determine whether children's MH/SUDs have similar associations with parental health care payments.

Methods: Cross-sectional analysis of a national database of paid commercial insurance claims for 2012-2013. Participants were children and youth ages 0 to 26 years covered as dependents on parents' health insurance and categorized by the presence or absence of any of 11 chronic medical conditions and MH/SUDs.

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Objectives: Examine (1) the extent to which changes in objectively measured asthma-related lung function (forced expiratory volume in 1 second) within a sleep period are associated with sleep quality and sleep duration during that sleep period in a group of urban children with persistent asthma, (2) associations between morning and evening asthma-related lung function and sleep quality and duration on the adjacent night, and (3) whether these associations differ by ethnic group.

Design: Cross-sectional, multimethod approach. Children completed a clinic assessment of asthma and allergy status and used home-based objective measurements of asthma-related lung function and sleep.

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Objective: To assess sleep hygiene and the sleep environment of urban children with and without asthma, and examine the associations among urban stressors, sleep hygiene, and sleep outcomes.

Methods: Urban children, 7-9 years old, with (N = 216) and without (N = 130) asthma from African American, Latino, or non-Latino White backgrounds were included. Level of neighborhood risk was used to describe urban stress.

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Objective: The present study used the Pediatric Adverse Events Rating Scale (PAERS) to provide a systematic assessment of adverse events (AEs) related to psychotropic medication use in a clinical sample of young children attending a specialized, early childhood partial hospital program. Study goals were as follows: 1) To describe the frequency and types of specific psychotropic medication-related AEs experienced by very young children (ages 3-7 years) in an acute clinical sample, and 2) to identify the psychotropic medication(s) and/or class(es) associated with the highest frequency of AEs.

Methods: Participants were 158 children (118 males; ages 36-95 months, mean=66 months, SD=14.

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Objectives: To identify children demonstrating "good" sleep health in a sample of urban children with persistent asthma; to compare sociocontextual, asthma clinical characteristics, and sleep behaviors in children with "good" versus "poor" sleep health; and to examine protective effects of family-based health behaviors on sleep health.

Methods: Participants were 249 Black (33%), Latino (51%) and non-Latino White (16%) children with asthma, ages 7-9 years, and their primary caregivers. 

Results: 32 percent of children had "good" sleep health.

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Article Synopsis
  • Stress is linked to increased asthma problems in Puerto Rican children, who show lower bronchodilator responses (BDR).
  • The study assessed stress levels in both children and their mothers, finding that high stress in either correlates with a significant decrease in BDR among Puerto Rican kids with asthma.
  • A specific genetic variation (polymorphism) in the ADCYAP1R1 gene is also connected to reduced BDR, suggesting that stress may influence asthma through genetic factors that regulate anxiety and receptor expression.
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Objectives: In this study, we examine the association of asthma (asthma symptoms, asthma control, lung function) and sleep problems in a group of urban children. The role of allergic rhinitis (AR), a comorbid condition of asthma, on children's sleep problems is also examined. Finally, we investigate whether sleep hygiene moderates the association between asthma and sleep problems, and whether there are differences in these associations based on ethnic background.

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This study examines factors associated with recruitment and retention of Latino, Dominican (DR) and mainland Puerto Rican (PR), and non-Latino white (NLW) families into a pediatric asthma study. Over eleven hundred (n=1185) families were screened, and 489 (n= 174 NLW, n= 160 DR, n= 155 PR) were enrolled. Rates of recruitment by source of recruitment and rates of retention differed by ethnic group.

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Allergic rhinitis (AR) is a risk factor for the development of asthma, and if poorly controlled, it may exacerbate asthma. We sought to describe AR symptoms and treatment in a larger study about asthma, sleep, and school performance. We examined the proportion (1) who met criteria for AR in an urban sample of school children with persistent asthma symptoms, (2) whose caregivers stated that they were not told of their child's allergies, (3) who had AR but were not treated or were undertreated for the disease, as well as (4) caregivers and healthcare providers' perceptions of the child's allergy status compared with study assessment, and (5) associations between self-report of asthma and AR control over a 4-week monitoring period.

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Pediatric asthma disparities exist with Latino children, especially from Island Puerto Rico (PR), experiencing greater asthma prevalence and morbidity than non-Latino White (NLW) children. Families must balance attention to child asthma with other child and family needs, defined as the "balanced integration of asthma." This study examined the impact of culturally related factors on the balanced integration of asthma in NLW and Latino families in Rhode Island (RI) and PR, as well as associations between balanced integration and asthma morbidity.

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Objective: The current study sought to evaluate patterns of complementary and alternative medicine (CAM) use in a sample of Latino and non-Latino white (NLW) children with asthma to determine whether parental beliefs about conventional medications and barriers to obtaining these medications were related to CAM use and to assess whether CAM use was associated with decreased adherence to controller medications.

Methods: Participants included 574 families of children with asthma from NLW, Puerto Rican (PR), and Dominican backgrounds from Rhode Island (RI) and from Island PR. All parents completed a brief checklist of barriers to medication use and an assessment of CAM approaches.

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Approximately 80% of children with asthma have coexisting allergic rhinitis. The accurate recognition and assessment of asthma and rhinitis symptoms is an integral component of guideline-based treatment for both conditions. This article describes the development and preliminary evaluation of a novel paradigm for testing the accuracy of children's assessment of their upper airway (rhinitis) symptoms.

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Although the pediatric psychology literature underscores the importance of illness-related aspects of the home environment for optimal family asthma management, little is known about the contribution of more global aspects of the home environment (e.g., family routines/schedule, quality of stimulation provided to child) to asthma management in ethnic minority and urban families.

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Objective: The aim of this study was to determine ethnic and site differences in quality of life (QOL) in a sample of Latino (Puerto Rican [PR] and Dominican) and non-Latino white caregivers of children with asthma in mainland US and Island PR. We also investigated ethnic and site differences in associations between caregiver QOL and indicators of asthma morbidity.

Method: Seven hundred and eighty-seven children with asthma (7-16 years of age) and their primary caregivers participated in the study.

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Objective: Latino children of Caribbean descent remain at high risk for poorly controlled asthma. Controller medications improve asthma control; however, medication adherence remains suboptimal, particularly among minorities. This study assessed socioeconomic, family-based, and parent factors in medication adherence among children with asthma from Rhode Island (RI; Latino and non-Latino white [NLW]) and Puerto Rico.

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Background: Significant disparities in emergency department (ED) rates exist for Latinos; however, few studies have investigated the factors that may account for these disparities.

Objectives: To examine individual/family and health system factors among Latino and non-Latino white (NLW) children with asthma to explain disparities in ED rates.

Methods: The study was carried out in Puerto Rico (PR) and Rhode Island (RI) with the same design: a cross-sectional, observational approach with repeated measurements of selected variables.

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Objective: The goal of this study is to identify individual, family/cultural, and illness-related protective factors that may minimize asthma morbidity in the context of multiple urban risks in a sample of inner-city children and families.

Methods: Participating families are from African-American (33), Latino (51) and non-Latino white (47) backgrounds. A total of 131 children with asthma (56% male), ages 6-13 years and their primary caregivers were included.

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