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Featured researches published by Jane C. Bittner.


The Journal of Allergy and Clinical Immunology: In Practice | 2015

Children and Adults With Frequent Hospitalizations for Asthma Exacerbation, 2012-2013: A Multicenter Observational Study.

Kohei Hasegawa; Jane C. Bittner; Stephanie Nonas; Samantha J. Stoll; Taketo Watase; Susan Gabriel; Vivian Herrera; Carlos A. Camargo; Taruna Aurora; Barry E. Brenner; Mark A. Brown; William J. Calhoun; John E. Gough; Ravi C. Gutta; Jonathan Heidt; Mehdi Khosravi; Wendy C. Moore; Nee-Kofi Mould-Millman; Richard Nowak; Jason Ahn; Veronica Pei; Valerie G. Press; Beatrice D. Probst; Sima K. Ramratnam; Heather N. Hartman; Carly Snipes; Suzanne S. Teuber; Stacy A. Trent; Roberto Villarreal; Scott Youngquist

BACKGROUND Earlier studies reported that many patients were frequently hospitalized for asthma exacerbation. However, there have been no recent multicenter studies to characterize this patient population with high morbidity and health care utilization. OBJECTIVE To examine the proportion and characteristics of children and adults with frequent hospitalizations for asthma exacerbation. METHODS A multicenter chart review study of patients aged 2 to 54 years who were hospitalized for asthma exacerbation at 1 of 25 hospitals across 18 US states during the period 2012 to 2013 was carried out. The primary outcome was frequency of hospitalizations for asthma exacerbation in the past year (including the index hospitalization). RESULTS The cohort included 369 children (aged 2-17 years) and 555 adults (aged 18-54 years) hospitalized for asthma exacerbation. Over the 12-month period, 36% of the children and 42% of the adults had 2 or more (frequent) hospitalizations for asthma exacerbation. Among patients with frequent hospitalizations, guideline-recommended outpatient management was suboptimal. For example, among adults, 32% were not on inhaled corticosteroids at the time of index hospitalization and 75% had no evidence of a previous evaluation by an asthma specialist. At hospital discharge, among adults with frequent hospitalizations who had used no controller medications previously, 37% were not prescribed inhaled corticosteroids. Likewise, during a 3-month postdischarge period, 64% of the adults with frequent hospitalizations were not referred to an asthma specialist. Although the proportion of patients who did not receive these guideline-recommended outpatient care appeared higher in adults, these preventive measures were still underutilized in children; for example, 38% of the children with frequent hospitalizations were not referred to asthma specialist after the index hospitalization. CONCLUSIONS This multicenter study of US patients hospitalized with asthma exacerbation demonstrated a disturbingly high proportion of patients with frequent hospitalizations and ongoing evidence of suboptimal longitudinal asthma care.


Annals of Allergy Asthma & Immunology | 2015

Underuse of guideline-recommended long-term asthma management in children hospitalized to the intensive care unit: a multicenter observational study

Kohei Hasegawa; Jason Ahn; Mark A. Brown; Valerie G. Press; Susan Gabriel; Vivian Herrera; Jane C. Bittner; Carlos A. Camargo; Taruna Aurora; Barry E. Brenner; William J. Calhoun; John E. Gough; Ravi C. Gutta; Jonathan Heidt; Mehdi Khosravi; Wendy C. Moore; Nee-Kofi Mould-Millman; Stephanie Nonas; Richard Nowak; Veronica Pei; Beatrice D. Probst; Sima K. Ramratnam; Matthew Tallar; Carly Snipes; Suzanne S. Teuber; Stacy A. Trent; Roberto Villarreal; Taketo Watase; Scott Youngquist

BACKGROUND Despite the significant burden of childhood asthma, little is known about prevention-oriented management before and after hospitalizations for asthma exacerbation. OBJECTIVE To investigate the proportion and characteristics of children admitted to the intensive care unit (ICU) for asthma exacerbation and the frequency of guideline-recommended outpatient management before and after the hospitalization. METHODS A 14-center medical record review study of children aged 2 to 17 years hospitalized for asthma exacerbation during 2012-2013. Primary outcome was admission to the ICU; secondary outcomes were 2 preventive factors: inhaled corticosteroid (ICS) use and evaluation by asthma specialists in the pre- and posthospitalization periods. RESULTS Among 385 children hospitalized for asthma, 130 (34%) were admitted to the ICU. Risk factors for ICU admission were female sex, having public insurance, a marker of chronic asthma severity (ICS use), and no prior evaluation by an asthma specialist. Among children with ICU admission, guideline-recommended outpatient management was suboptimal (eg, 65% were taking ICSs at the time of index hospitalization, and 19% had evidence of a prior evaluation by specialist). At hospital discharge, among children with ICU admission who had not previously used controller medications, 85% were prescribed ICSs. Furthermore, 62% of all children with ICU admission were referred to an asthma specialist during the 3-month posthospitalization period. CONCLUSION In this multicenter study of US children hospitalized with asthma exacerbation, one-third of children were admitted to the ICU. In this high-risk group, we observed suboptimal pre- and posthospitalization asthma care. These findings underscore the importance of continued efforts to improve prevention-oriented asthma care at all clinical encounters.


Academic Emergency Medicine | 2016

Association of Guideline‐concordant Acute Asthma Care in the Emergency Department With Shorter Hospital Length of Stay: A Multicenter Observational Study

Kohei Hasegawa; Barry E. Brenner; Richard M. Nowak; Stacy A. Trent; Vivian Herrera; Susan Gabriel; Jane C. Bittner; Carlos A. Camargo; Michael S. Runyon

OBJECTIVES The objectives were to determine whether guideline-concordant emergency department (ED) management of acute asthma is associated with a shorter hospital length of stay (LOS) among patients hospitalized for asthma. METHODS A multicenter chart review study of patients aged 2-54 years who were hospitalized for acute asthma at one of the 25 U.S. hospitals during 2012-2013. Based on level A recommendations from national asthma guidelines, we derived four process measures of ED treatment before hospitalization: inhaled β-agonists, inhaled anticholinergic agents, systemic corticosteroids, and lack of methylxanthines. The outcome measure was hospital LOS. RESULTS Among 854 ED patients subsequently hospitalized for acute asthma, 532 patients (62%) received care perfectly concordant with the four process measures in the ED. Overall, the median hospital LOS was 2 days (interquartile range = 1-3 days). In the multivariable negative binomial model, patients who received perfectly concordant ED asthma care had a significantly shorter hospital LOS (-17%, 95% confidence interval [CI] = -27% to -5%, p = 0.006), compared to other patients. In the mediation analysis, the direct effect of guideline-concordant ED asthma care on hospital LOS was similar to that of primary analysis (-16%, 95% CI = -27% to -5%, p = 0.005). By contrast, the indirect effect mediated by quality of inpatient asthma care was not significant, indicating that the effect of ED asthma care on hospital LOS was mediated through pathways other than quality of inpatient care. CONCLUSION In this multicenter observational study, patients who received perfectly concordant asthma care in the ED had a shorter hospital LOS. Our findings encourage further adoption of guideline-recommended emergency asthma care to improve patient outcomes.


Academic Emergency Medicine | 2016

Opioid‐related Policies in New England Emergency Departments

Scott G. Weiner; Ali S. Raja; Jane C. Bittner; Kevin M. Curtis; Peter Weimersheimer; Kohei Hasegawa; Janice A. Espinola; Carlos A. Camargo

OBJECTIVES The opioid abuse and overdose epidemic in the United States has led to the need for new practice policies to guide clinicians. We describe implementation of opioid-related policies in emergency departments (EDs) in New England to gauge progress and determine where further work is needed. METHODS This study analyzed data from the 2015 National Emergency Department Inventory-New England survey. The survey queried directors of every ED (n = 195) in the six New England states to determine the implementation of five specific policies related to opioid management. ED characteristics (e.g., annual visits, location, and admission rates) were also obtained and a multivariable analysis was conducted to identify ED characteristics independently associated with the number of opioid-related policies implemented. RESULTS Overall, 169 EDs (87%) responded, with a >80% response rate in each state. Implementation of opioid-related policies varied as follows: 1) use of a screening tool for patients with suspected prescription opioid abuse potential (n = 30, 18%), 2) access state prescription drug monitoring program (PDMP) before prescribing opioids (n = 132, 78%), 3) notify the primary opioid prescriber when prescribing opioids for ED patients with chronic pain (n = 69, 41%), 4) refer patients with opioid abuse to recovery resources (n = 117, 70%), and 5) prescribe naloxone to patients at risk of opioid overdose after ED discharge (n = 19, 12%). EDs located in metropolitan areas and with at least one attending physician on duty 24/7 were less likely to implement opioid policies (incident rate ratio [IRR] = 0.65, 95% confidence interval [CI] = 0.48-0.89; and IRR = 0.78, 95% CI = 0.6-1.0, respectively) while EDs with ≥15% hospitalization rate that used electronic computerized medication ordering and those in Rhode Island were more likely to implement opioid policies (IRR = 1.23, 95% CI = 1.03-1.48; IRR = 1.95, 95% CI = 1.19-3.22; and IRR = 1.30, 95% CI = 1.08-1.56, respectively). CONCLUSIONS The implementation of opioid-related policies varies among New England EDs. The presence of policies recommending use of screening tools and prescribing naloxone for at-risk patients was low, whereas those regarding utilization of the PDMP and referral of patients with opioid abuse to recovery resources were more common. These data provide important benchmarks for future evaluations and recommendations.


Western Journal of Emergency Medicine | 2017

Choosing Wisely Imaging Recommendations: Initial Implementation in New England Emergency Departments

Ali S. Raja; Arjun K. Venkatesh; Nathan Mick; Cristopher P. Zabbo; Kohei Hasegawa; Janice A. Espinola; Jane C. Bittner; Carlos A. Camargo

Introduction In June 2016, the American College of Emergency Physicians (ACEP) Emergency Quality Network began its Reduce Avoidable Imaging Initiative, designed to “reduce testing and imaging with low risk patients through the implementation of Choosing Wisely recommendations.” However, it is unknown whether New England emergency departments (ED) have already implemented evidence-based interventions to improve adherence to ACEP Choosing Wisely recommendations related to imaging after their initial release in 2013. Our objective was to determine this, as well as whether provider-specific audit and feedback for imaging had been implemented in these EDs. Methods This survey study was exempt from institutional review board review. In 2015, we mailed surveys to 195 hospital-affiliated EDs in all six New England states to determine whether they had implemented Choosing Wisely-focused interventions in 2014. Initial mailings included cover letters denoting the endorsement of each state’s ACEP chapter, and we followed up twice with repeat mailings to non-responders. Data analysis included descriptive statistics and a comparison of state differences using Fisher’s exact test. Results A total of 169/195 (87%) of New England EDs responded, with all individual state response rates >80%. Overall, 101 (60%) of responding EDs had implemented an intervention for at least one Choosing Wisely imaging scenario; 57% reported implementing a specific guideline/policy/clinical pathway and 28% reported implementing a computerized decision support system. The most common interventions were for chest computed tomography (CT) in patients at low risk of pulmonary embolism (47% of EDs) and head CT in patients with minor trauma (45% of EDs). In addition, 40% of EDs had implemented provider-specific audit and feedback, without significant interstate variation (range: 29–55%). Conclusion One year after release of the ACEP Choosing Wisely recommendations, most New England EDs had a guideline/policy/clinical pathway related to at least one of the recommendations. However, only a minority of them were using provider-specific audit and feedback or computerized decision support. Few EDs have embraced the opportunity to implement the multiple evidence-based interventions likely to advance the national goals of improving patient-centered and resource-efficient care.


Allergy and Asthma Proceedings | 2016

Smoking status and smoking cessation intervention among U.S. adults hospitalized for asthma exacerbation.

Jane C. Bittner; Kohei Hasegawa; Beatrice D. Probst; Nee-Kofi Mould-Millman; Robert Silverman; Carlos A. Camargo

BACKGROUND In a previous multicenter study during 1999-2000, we found a high prevalence of smoking among patients hospitalized for asthma exacerbations (35%) and suboptimal smoking cessation efforts. There have been no recent multicenter efforts to examine the smoking status and implementation of smoking cessation efforts among patients hospitalized for asthma exacerbation. OBJECTIVE To investigate the prevalence of cigarette smoking and the proportion and characteristics of patients who received an inpatient smoking cessation intervention. METHODS We conducted a secondary analysis of a 25-center observational study, which included 597 U.S. adults hospitalized for asthma exacerbation during 2012-2013. RESULTS Among the analytic cohort, 215 (36%) were current smokers. In the multivariable model, compared with patients with private health insurance, those with public health insurance (odds ratio [OR] 1.71 [95% confidence interval {CI}, 1.06-2.77]) or no health insurance (OR 1.75 [95% CI, 1.02-2.99]) were more likely to be current smokers. By contrast, patients with a previous evaluation by an asthma specialist in the past 12 months (OR 0.49 [95% CI, 0.28-0.86]) and use of inhaled corticosteroids (OR 0.63 [95% CI, 0.43-0.93]) were less likely to be current smokers. Among current smokers, only 55% received smoking cessation interventions during their hospitalization. In the multivariable model, current smokers who had public health insurance (OR 0.25 [95% CI, 0.07-0.82]) or no health insurance (OR 0.26 [95% CI, 0.07-0.94]) were less likely to receive inpatient smoking cessation interventions compared with those with private health insurance. CONCLUSION Our findings showed a persistently high prevalence of smokers among U.S. patients hospitalized for asthma exacerbations and an underutilized opportunity to provide this at-risk population with smoking cessation interventions.


Journal of Asthma | 2017

Variation in asthma care at hospital discharge by race/ethnicity groups

Stacy A. Trent; Kohei Hasegawa; Sima K. Ramratnam; Jane C. Bittner; Carlos A. Camargo

ABSTRACT Objective: While asthma disproportionately affects minorities, little is known about racial/ethnic differences in asthma care at hospital discharge. Methods: Secondary data analysis of multicenter retrospective study using standardized medical record review. A random sample of patients aged 2–54 years, who were hospitalized for asthma at 25 hospitals from 2012 to 2013 was analyzed. We categorized patients into three race/ethnicity groups: non-Hispanic white (NHW), non-Hispanic black (NHB), and Hispanic. Multivariable logistic regression using generalized estimating equations was used to examine the relationship between race/ethnicity and the provision of guideline-concordant asthma care at hospital discharge including: the provision of asthma action plans, provision of new prescription of an inhaled corticosteroid, and referral to an asthma specialist. Results: Nine hundred thirteen patients (39% children, 71% minorities) hospitalized for asthma were included. In adjusted models, NHB children were significantly less likely to receive a written asthma action plan (OR 0.48; 95% CI 0.31–0.76) than NHW children. In contrast, among adults, we found no statistically significant difference in the provision of asthma action plan. Additionally, we found no difference in the provision of a new inhaled corticosteroid prescription or referral to an asthma specialist among children or adults. Conclusions: NHB and Hispanic patients represent the majority of patients hospitalized for acute asthma in our cohort and were more likely than NHW patients to have increased markers of asthma severity. Despite this, the only significant racial/ethnic difference in asthma care at hospital discharge was among NHB children, who were less likely to receive a written asthma action plan .


Respiratory Medicine | 2015

Prevalence of eosinophilia in hospitalized patients with asthma exacerbation

Kohei Hasegawa; Samantha J. Stoll; Jason Ahn; Jane C. Bittner; Carlos A. Camargo


Chest | 2016

Improving Quality of Acute Asthma Care in US Hospitals: Changes Between 1999-2000 and 2012-2013

Kohei Hasegawa; Yusuke Tsugawa; Sunday Clark; Carly D. Eastin; Susan Gabriel; Vivian Herrera; Jane C. Bittner; Carlos A. Camargo; Jason Ahn; Taruna Aurora; Barry E. Brenner; Mark A. Brown; William J. Calhoun; John E. Gough; Asal Gharib; Jonathan Heidt; Mehdi Khosravi; Wendy C. Moore; Nee-Kofi Mould-Millman; Stephanie Nonas; Richard Nowak; Veronica Pei; Valerie G. Press; Beatrice D. Probst; Sima K. Ramratnam; Matthew Tallar; Suzanne S. Teuber; Stacy A. Trent; Roberto Villarreal; Taketo Watase


Chest | 2016

Original Research: AsthmaImproving Quality of Acute Asthma Care in US Hospitals: Changes Between 1999-2000 and 2012-2013

Kohei Hasegawa; Yusuke Tsugawa; Sunday Clark; Carly D. Eastin; Susan Gabriel; Vivian Herrera; Jane C. Bittner; Carlos A. Camargo

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Stacy A. Trent

University of Colorado Denver

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Barry E. Brenner

Case Western Reserve University

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