Andrew K Chang

Summary

Affiliation: Montefiore Medical Center
Country: USA

Publications

  1. ncbi request reprint Two milligrams i.v. hydromorphone is efficacious for treating pain but is associated with oxygen desaturation
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York, USA
    J Opioid Manag 5:75-80. 2009
  2. doi request reprint Randomized clinical trial of the 2 mg hydromorphone bolus protocol versus the "1+1" hydromorphone titration protocol in treatment of acute, severe pain in the first hour of emergency department presentation
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY Electronic address
    Ann Emerg Med 62:304-10. 2013
  3. doi request reprint Randomized clinical trial of efficacy and safety of a single 2-mg intravenous dose of hydromorphone versus usual care in the management of acute pain
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
    Acad Emerg Med 20:185-92. 2013
  4. doi request reprint Randomized clinical trial comparing the safety and efficacy of a hydromorphone titration protocol to usual care in the management of adult emergency department patients with acute severe pain
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Ann Emerg Med 58:352-9. 2011
  5. doi request reprint Randomized clinical trial comparing a patient-driven titration protocol of intravenous hydromorphone with traditional physician-driven management of emergency department patients with acute severe pain
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Ann Emerg Med 54:561-567.e2. 2009
  6. doi request reprint Efficacy and safety profile of a single dose of hydromorphone compared with morphine in older adults with acute, severe pain: a prospective, randomized, double-blind clinical trial
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York 10467, USA
    Am J Geriatr Pharmacother 7:1-10. 2009
  7. doi request reprint Safety and efficacy of rapid titration using 1mg doses of intravenous hydromorphone in emergency department patients with acute severe pain: the "1+1" protocol
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
    Ann Emerg Med 54:221-5. 2009
  8. doi request reprint Double-dose external cardioversion for refractory unstable atrial fibrillation in the ED
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Am J Emerg Med 26:385.e1-3. 2008
  9. ncbi request reprint A randomized clinical trial to assess the efficacy of the Epley maneuver in the treatment of acute benign positional vertigo
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
    Acad Emerg Med 11:918-24. 2004
  10. ncbi request reprint Safety and efficacy of hydromorphone as an analgesic alternative to morphine in acute pain: a randomized clinical trial
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Ann Emerg Med 48:164-72. 2006

Detail Information

Publications19

  1. ncbi request reprint Two milligrams i.v. hydromorphone is efficacious for treating pain but is associated with oxygen desaturation
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York, USA
    J Opioid Manag 5:75-80. 2009
    ..To evaluate the safety and efficacy of a single dose of 2 mg i.v. hydromorphone administered to emergency department patients in acute severe pain...
  2. doi request reprint Randomized clinical trial of the 2 mg hydromorphone bolus protocol versus the "1+1" hydromorphone titration protocol in treatment of acute, severe pain in the first hour of emergency department presentation
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY Electronic address
    Ann Emerg Med 62:304-10. 2013
    ..We compare a high initial dose of 2 mg intravenous hydromorphone against titration of 1 mg intravenous hydromorphone followed by an optional second dose...
  3. doi request reprint Randomized clinical trial of efficacy and safety of a single 2-mg intravenous dose of hydromorphone versus usual care in the management of acute pain
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
    Acad Emerg Med 20:185-92. 2013
    ..The objective was to test the efficacy and safety of 2 mg of intravenous (IV) hydromorphone (Dilaudid) against "usual care" in emergency department (ED) patients with acute severe pain...
  4. doi request reprint Randomized clinical trial comparing the safety and efficacy of a hydromorphone titration protocol to usual care in the management of adult emergency department patients with acute severe pain
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Ann Emerg Med 58:352-9. 2011
    ..We test the efficacy and safety of the "1+1" (1 mg plus 1 mg 15 minutes later if needed) hydromorphone protocol against usual care of emergency department (ED) patients with acute severe pain...
  5. doi request reprint Randomized clinical trial comparing a patient-driven titration protocol of intravenous hydromorphone with traditional physician-driven management of emergency department patients with acute severe pain
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Ann Emerg Med 54:561-567.e2. 2009
    ....
  6. doi request reprint Efficacy and safety profile of a single dose of hydromorphone compared with morphine in older adults with acute, severe pain: a prospective, randomized, double-blind clinical trial
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, New York 10467, USA
    Am J Geriatr Pharmacother 7:1-10. 2009
    ..Over the past 10 years, there has been an 11% increase in the number of emergency department (ED) visits by older adults, and pain is their most common chief complaint...
  7. doi request reprint Safety and efficacy of rapid titration using 1mg doses of intravenous hydromorphone in emergency department patients with acute severe pain: the "1+1" protocol
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
    Ann Emerg Med 54:221-5. 2009
    ..We evaluate the safety and efficacy of a pain protocol using 1 mg intravenous (IV) hydromorphone followed by an optional dose of 1 mg IV hydromorphone 15 minutes later...
  8. doi request reprint Double-dose external cardioversion for refractory unstable atrial fibrillation in the ED
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Am J Emerg Med 26:385.e1-3. 2008
    ..Double-dose external cardioversion with 2 defibrillators is an important alternative method that the emergency physician should be aware of when treating refractory atrial fibrillation in the hemodynamically unstable patient...
  9. ncbi request reprint A randomized clinical trial to assess the efficacy of the Epley maneuver in the treatment of acute benign positional vertigo
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA
    Acad Emerg Med 11:918-24. 2004
    ..To compare the efficacy of the Epley maneuver with that of a placebo maneuver in patients presenting to the emergency department (ED) with benign positional vertigo (BPV)...
  10. ncbi request reprint Safety and efficacy of hydromorphone as an analgesic alternative to morphine in acute pain: a randomized clinical trial
    Andrew K Chang
    Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY 10467, USA
    Ann Emerg Med 48:164-72. 2006
    ..We compare a standard weight-based dose of intravenous hydromorphone (Dilaudid) to a standard weight-based dose of intravenous morphine in adults presenting to the ED with acute severe pain...
  11. ncbi request reprint Intravenous bolus of ultra-low-dose naloxone added to morphine does not enhance analgesia in emergency department patients
    Polly E Bijur
    Department of Emergency Medicine, Albert Einstein College of Medicine, Bronx, New York 10461, USA
    J Pain 7:75-81. 2006
    ....
  12. doi request reprint Response to morphine in male and female patients: analgesia and adverse events
    Polly E Bijur
    Department of Emergency Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
    Clin J Pain 24:192-8. 2008
    ..Some experimental and clinical studies have shown that women have a better response to opioids, others have found no difference, and still others have found opioids to be more effective analgesics for men than women...
  13. doi request reprint Identifying the minimum clinically significant difference in acute pain in the elderly
    Polly E Bijur
    Department of Emergency Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
    Ann Emerg Med 56:517-521.e1. 2010
    ..To identify the minimum clinically significant difference in pain in elderly emergency department (ED) patients...
  14. pmc Problems with measurement of the minimum clinically significant difference in acute pain in elders
    Polly E Bijur
    Department of Emergency Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
    Acad Emerg Med 18:135-9. 2011
    ..The objective of the study was to test the hypotheses that: 1) the arithmetic MCSD in adults 65 years and older declines over time and that 2) the proportional MCSD remains constant...
  15. doi request reprint Dosing and titration of intravenous opioid analgesics administered to ED patients in acute severe pain
    Polly E Bijur
    Department of Emergency Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
    Am J Emerg Med 30:1241-4. 2012
    ..The objectives were to describe the dose of opioids and incidence of titration for management of acute pain in emergency department patients and, secondarily, to assess the association between change in pain and dose...
  16. pmc Randomized clinical trial of an intravenous hydromorphone titration protocol versus usual care for management of acute pain in older emergency department patients
    Andrew K Chang
    Department of Emergency Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10467, USA
    Drugs Aging 30:747-54. 2013
    ..Our objective was to test a rapid, two-step, hydromorphone titration protocol against usual care in older patients presenting to the ED with acute severe pain...
  17. doi request reprint Randomized clinical trial of hydrocodone/acetaminophen versus codeine/acetaminophen in the treatment of acute extremity pain after emergency department discharge
    Andrew K Chang
    The Department of Emergency Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY
    Acad Emerg Med 21:227-35. 2014
    ..Both are currently Drug Enforcement Administration (DEA) Schedule III narcotics...
  18. doi request reprint Nonconvulsive status epilepticus
    Andrew K Chang
    Department of Emergency Medicine, Montefiore Medical Center, Albert Einstein College of Medicine, 111 East 210th Street, Bronx, NY 10467, USA
    Emerg Med Clin North Am 29:65-72. 2011
    ..Whereas the morbidity and mortality in patients with prolonged ASE or CPSE is low, the mortality associated with SSE can exceed 30% if the seizure duration is greater than 60 minutes...
  19. ncbi request reprint Diplopia in a patient with carcinomatous meningitis: a case report and review of the literature
    Andrew K Chang
    Department of Emergency Medicine, University of California, Irvine Medical Center, Orange, California 92868, USA
    J Emerg Med 23:351-4. 2002
    ..A review of diplopia and carcinomatous meningitis is presented, along with a suggested conservative diagnostic algorithm for cancer patients presenting with neurologic signs or symptoms...