Kohei Hasegawa

Summary

Affiliation: Massachusetts General Hospital
Country: USA

Publications

  1. doi request reprint Children and Adults With Frequent Hospitalizations for Asthma Exacerbation, 2012-2013: A Multicenter Observational Study
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol Pract 3:751-8.e1. 2015
  2. doi request reprint Prevalence of eosinophilia in hospitalized patients with asthma exacerbation
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA Electronic address
    Respir Med 109:1230-2. 2015
  3. doi request reprint Detection of respiratory syncytial virus and rhinovirus in healthy infants
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, 02114, USA
    BMC Res Notes 8:718. 2015
  4. doi request reprint Risk of an asthma exacerbation after bariatric surgery in adults
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol 136:288-94.e8. 2015
  5. doi request reprint Underuse of guideline-recommended long-term asthma management in children hospitalized to the intensive care unit: a multicenter observational study
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts Electronic address
    Ann Allergy Asthma Immunol 115:10-6.e1. 2015
  6. doi request reprint Association Between Hyponatremia and Higher Bronchiolitis Severity Among Children in the ICU With Bronchiolitis
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
    Hosp Pediatr 5:385-9. 2015
  7. doi request reprint A multicenter observational study of US adults with acute asthma: who are the frequent users of the emergency department?
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol Pract 2:733-40. 2014
  8. pmc Risk factors for requiring intensive care among children admitted to ward with bronchiolitis
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    Acad Pediatr 15:77-81. 2015
  9. doi request reprint Comparison of US emergency department acute asthma care quality: 1997-2001 and 2011-2012
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol 135:73-80. 2015
  10. doi request reprint Frequent utilization of the emergency department for acute heart failure syndrome: a population-based study
    Kohei Hasegawa
    From the Department of Emergency Medicine, Massachusetts General Hospital, Boston K H, C A C, D F M B Harvard Medical School, Boston, MA K H, C A C, D F M B and Harvard Interfaculty Initiative in Health Policy, Cambridge, MA Y T
    Circ Cardiovasc Qual Outcomes 7:735-42. 2014

Detail Information

Publications35

  1. doi request reprint Children and Adults With Frequent Hospitalizations for Asthma Exacerbation, 2012-2013: A Multicenter Observational Study
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol Pract 3:751-8.e1. 2015
    ..However, there have been no recent multicenter studies to characterize this patient population with high morbidity and health care utilization...
  2. doi request reprint Prevalence of eosinophilia in hospitalized patients with asthma exacerbation
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA Electronic address
    Respir Med 109:1230-2. 2015
    ..However, the prevalence of eosinophilia in patients hospitalized for asthma exacerbation is not known...
  3. doi request reprint Detection of respiratory syncytial virus and rhinovirus in healthy infants
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 125 Nashua Street, Suite 920, Boston, MA, 02114, USA
    BMC Res Notes 8:718. 2015
    ..Despite the research importance of rhinovirus detection in asymptomatic healthy infants, the literature remains sparse...
  4. doi request reprint Risk of an asthma exacerbation after bariatric surgery in adults
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol 136:288-94.e8. 2015
    ..Research on nonsurgical weight loss interventions has failed to demonstrate consistent efficacy on asthma control, although these interventions resulted in only modest weight reductions...
  5. doi request reprint Underuse of guideline-recommended long-term asthma management in children hospitalized to the intensive care unit: a multicenter observational study
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts Electronic address
    Ann Allergy Asthma Immunol 115:10-6.e1. 2015
    ..Despite the significant burden of childhood asthma, little is known about prevention-oriented management before and after hospitalizations for asthma exacerbation...
  6. doi request reprint Association Between Hyponatremia and Higher Bronchiolitis Severity Among Children in the ICU With Bronchiolitis
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
    Hosp Pediatr 5:385-9. 2015
    ..The objective of this study was to investigate the association between hyponatremia and bronchiolitis severity in children hospitalized in the ICU for bronchiolitis...
  7. doi request reprint A multicenter observational study of US adults with acute asthma: who are the frequent users of the emergency department?
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol Pract 2:733-40. 2014
    ..Despite the substantial burden of asthma-related emergency department (ED) visits, there have been no recent multicenter efforts to characterize this high-risk population...
  8. pmc Risk factors for requiring intensive care among children admitted to ward with bronchiolitis
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    Acad Pediatr 15:77-81. 2015
    ..To examine risk factors for transfer of bronchiolitis patients from the ward to the intensive care unit (ICU) and/or initiation of critical care interventions...
  9. doi request reprint Comparison of US emergency department acute asthma care quality: 1997-2001 and 2011-2012
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol 135:73-80. 2015
    ..It remains unclear whether the quality of acute asthma care in US emergency departments (EDs) has improved over time...
  10. doi request reprint Frequent utilization of the emergency department for acute heart failure syndrome: a population-based study
    Kohei Hasegawa
    From the Department of Emergency Medicine, Massachusetts General Hospital, Boston K H, C A C, D F M B Harvard Medical School, Boston, MA K H, C A C, D F M B and Harvard Interfaculty Initiative in Health Policy, Cambridge, MA Y T
    Circ Cardiovasc Qual Outcomes 7:735-42. 2014
    ..We examined the proportion and characteristics of patients with frequent emergency department (ED) visits for AHFS and associated health-care utilization...
  11. pmc Frequent utilization of the emergency department for acute exacerbation of chronic obstructive pulmonary disease
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, 326 Cambridge Street, Suite 410, Boston, MA 02114, USA
    Respir Res 15:40. 2014
    ..We aimed to quantify the proportion and characteristics of patients with frequent ED visits for AECOPD and associated healthcare utilization...
  12. doi request reprint Epidemiology of emergency department visits for opioid overdose: a population-based study
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA Electronic address
    Mayo Clin Proc 89:462-71. 2014
    ..To evaluate the rate of emergency department (ED) visits for opioid overdose and to examine whether frequent ED visits for opioid overdose are associated with more hospitalizations, near-fatal events, and health care spending...
  13. doi request reprint Quality of care for acute asthma in emergency departments in Japan: a multicenter observational study
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Mass Electronic address
    J Allergy Clin Immunol Pract 1:509-15.e1-3. 2013
    ..Little is known about the quality of acute asthma care in emergency departments (EDs) outside of North America...
  14. pmc Childhood asthma hospitalizations in the United States, 2000-2009
    Kohei Hasegawa
    Massachusetts General Hospital, Boston, MA Harvard Medical School, Boston, MA Electronic address
    J Pediatr 163:1127-33.e3. 2013
    ..To examine temporal trends in the US incidence of childhood asthma hospitalizations, in-hospital mortality, mechanical ventilation use, and hospital charges between 2000 and 2009...
  15. doi request reprint Regional variability in survival outcomes of out-of-hospital cardiac arrest: the All-Japan Utstein Registry
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Resuscitation 84:1099-107. 2013
    ..This study aimed to determine whether there is a significant regional variation in survival outcomes of OHCA across Japan...
  16. pmc Trends in bronchiolitis hospitalizations in the United States, 2000-2009
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Boston, MA, USA
    Pediatrics 132:28-36. 2013
    ..To examine temporal trend in the national incidence of bronchiolitis hospitalizations, use of mechanical ventilation, and hospital charges between 2000 and 2009...
  17. doi request reprint Association between repeated intubation attempts and adverse events in emergency departments: an analysis of a multicenter prospective observational study
    Kohei Hasegawa
    Department of Emergency Medicine, Brigham and Women s Hospital, Boston, MA, USA
    Ann Emerg Med 60:749-754.e2. 2012
    ..We seek to determine whether multiple ED intubation attempts are associated with an increased risk of adverse events...
  18. doi request reprint Association of prehospital advanced airway management with neurologic outcome and survival in patients with out-of-hospital cardiac arrest
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, 326 Cambridge St, Ste 410, Boston, MA 02114, USA
    JAMA 309:257-66. 2013
    ....
  19. doi request reprint Emergency airway management in Japan: Interim analysis of a multi-center prospective observational study
    Kohei Hasegawa
    Department of Emergency Medicine, Brigham and Women s Hospital, 75 Francis Street, Boston, MA 02115, USA
    Resuscitation 83:428-33. 2012
    ..However, comprehensive studies evaluating emergency airway management practice are lacking. We describe emergency department (ED) airway management using a large multi-center registry...
  20. pmc Multicenter study of viral etiology and relapse in hospitalized children with bronchiolitis
    Kohei Hasegawa
    From the Department of Emergency Medicine, Massachusetts General Hospital Department of Medicine, Boston Children s Hospital, Harvard Medical School, Boston, MA Division of Emergency Medicine, Children s National Health System, Washington, DC Department of Pediatrics, Rady Children s Hospital, University of California San Diego, San Diego Division of Hospital Medicine, Children s Hospital Los Angeles, Los Angeles, CA Department of Emergency Medicine, Weill Cornell Medical College, New York, NY and Departments of Molecular Virology and Microbiology, and Pediatrics, Baylor College of Medicine, Houston, TX
    Pediatr Infect Dis J 33:809-13. 2014
    ..We tested the hypothesis that children hospitalized with rhinovirus (RV) bronchiolitis, either as a sole pathogen or in combination with respiratory syncytial virus (RSV), are at increased risk of relapse...
  21. doi request reprint Eligibility for palivizumab prophylaxis in a cohort of children with severe bronchiolitis
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
    Pediatr Int 57:1031-4. 2015
    ..Further development of and refinement of cost-effective approaches for the prevention of severe RSV infection are needed...
  22. doi request reprint Association of Insurance Status with Severity and Management in ED Patients with Asthma Exacerbation
    Kohei Hasegawa
    Massachusetts General Hospital, Harvard Medical School, Department of Emergency Medicine, Boston, Massachusetts
    West J Emerg Med 17:22-7. 2016
    ..The objective is to investigate chronic and acute asthma management disparities by insurance status among adults requiring emergency department (ED) treatment in the United States...
  23. pmc Respiratory syncytial virus genomic load and disease severity among children hospitalized with bronchiolitis: multicenter cohort studies in the United States and Finland
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School
    J Infect Dis 211:1550-9. 2015
    ..We investigated whether children with a higher respiratory syncytial virus (RSV) genomic load are at a higher risk of more-severe bronchiolitis...
  24. doi request reprint Factors Associated with First-Pass Success in Pediatric Intubation in the Emergency Department
    Tadahiro Goto
    Massachusetts General Hospital, Department of Emergency Medicine, Boston, Massachusetts
    West J Emerg Med 17:129-34. 2016
    ..The objective of this study was to investigate the factors associated with first-pass success in pediatric intubation in the emergency department (ED)...
  25. doi request reprint Body mass index and risk of hospitalization among adults presenting with asthma exacerbation to the emergency department
    Kohei Hasegawa
    1 Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
    Ann Am Thorac Soc 11:1439-44. 2014
    ..Studies have linked obesity to incident asthma and worse chronic severity/control. However, the relationship between obesity and acute asthma morbidity remains unclear...
  26. doi request reprint Trends in U.S. emergency department visits for opioid overdose, 1993-2010
    Kohei Hasegawa
    Department of Emergency Medicine, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
    Pain Med 15:1765-70. 2014
    ..Emergency department (ED) visits for opioid overdose provide an important marker of acute morbidity. We sought to evaluate national trends of ED visits for opioid overdose...
  27. pmc Temporal trends in emergency department visits for bronchiolitis in the United States, 2006 to 2010
    Kohei Hasegawa
    From the Massachusetts General Hospital Harvard Medical School Beth Israel Deaconess Medical Center, Boston, MA Center for Clinical Epidemiology of St Luke s Life Science Institute, Tokyo, Japan and Boston Children s Hospital, Boston, MA
    Pediatr Infect Dis J 33:11-8. 2014
    ..To examine temporal trends in emergency departments (EDs) visits for bronchiolitis among US children between 2006 and 2010...
  28. doi request reprint Bariatric Surgery and Emergency Department Visits and Hospitalizations for Heart Failure Exacerbation: Population-Based, Self-Controlled Series
    Yuichi J Shimada
    Cardiology Division, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts Electronic address
    J Am Coll Cardiol 67:895-903. 2016
    ..Although studies have suggested relationships between obesity and HF morbidity, little is known regarding the effects of substantial weight reduction in obese patients with HF...
  29. doi request reprint Regional health expenditure and health outcomes after out-of-hospital cardiac arrest in Japan: an observational study
    Yusuke Tsugawa
    Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts, USA
    BMJ Open 5:e008374. 2015
    ....
  30. doi request reprint Infectious Disease-related Emergency Department Visits Among Children in the US
    Kohei Hasegawa
    From the Department of Emergency Medicine, Massachusetts General Hospital Harvard Medical School, Boston, MA and Harvard Interfaculty Initiative in Health Policy, Cambridge, MA
    Pediatr Infect Dis J 34:681-5. 2015
    ..We describe the burden and epidemiologic features of ID-related emergency department (ED) visits among U.S. children...
  31. doi request reprint Race/ethnicity and asthma management among adults presenting to the emergency department
    Arvind Venkat
    Department of Emergency Medicine, Allegheny Health Network, Pittsburgh, Pennsylvania, USA
    Respirology 20:994-7. 2015
    ..Improved ED education on evidence-based chronic disease management is needed to address continuing race/ethnicity-based asthma disparities. ..
  32. pmc Emergency department visits for acute asthma by adults who ran out of their inhaled medications
    Kohei Hasegawa
    Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA
    Allergy Asthma Proc 35:42-50. 2014
    ..Asthma patients who ran out of medications had sociodemographic characteristics that may help with identification of preventable ED visits. Multifaceted strategies needed to ensure optimal use of inhaled medications are warranted. ..
  33. doi request reprint Infectious pathogens and bronchiolitis outcomes
    Kohei Hasegawa
    Department of Emergency Medicine KH, CAC, Boston, MA, USA
    Expert Rev Anti Infect Ther 12:817-28. 2014
    ....
  34. doi request reprint Airway microbiota and acute respiratory infection in children
    Kohei Hasegawa
    From the Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
    Expert Rev Clin Immunol 11:789-92. 2015
    ..We also propose that modulating airway microbiota (e.g., from risk to resilience microbiota) during early childhood will optimize airway immunity and, thereby, decrease ARI incidence and severity in children. ..