Philip M Polgreen

Summary

Affiliation: University of Iowa
Country: USA

Publications

  1. pmc The use of Twitter to track levels of disease activity and public concern in the U.S. during the influenza A H1N1 pandemic
    Alessio Signorini
    Department of Computer Science, University of Iowa, Iowa City, Iowa, United States of America
    PLoS ONE 6:e19467. 2011
  2. pmc Upward trend in dengue incidence among hospitalized patients, United States
    Judy A Streit
    University of Iowa, Iowa City, Iowa, USA
    Emerg Infect Dis 17:914-6. 2011
  3. pmc Detecting paroxysmal coughing from pertussis cases using voice recognition technology
    Danny Parker
    GTD Unlimited, Oxford, Mississippi, United States of America
    PLoS ONE 8:e82971. 2013
  4. pmc Knowledge sharing among healthcare infection preventionists: the impact of public health professionals in a rural state
    Timothy Wiemken
    University of Louisville, Louisville, KY 40202, USA
    BMC Res Notes 5:387. 2012
  5. doi request reprint A statewide outbreak of Cryptosporidium and its association with the distribution of public swimming pools
    P M Polgreen
    Department of Infectious Disease, University of Iowa, Iowa City, 52242, USA
    Epidemiol Infect 140:1439-45. 2012
  6. pmc Incidence of and risk factors for community-associated Clostridium difficile infection: a nested case-control study
    Jennifer L Kuntz
    Center for Health Research, Kaiser Permanente Northwest, Portland, OR, USA
    BMC Infect Dis 11:194. 2011
  7. doi request reprint The duration of mumps virus shedding after the onset of symptoms
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Clin Infect Dis 46:1447-9. 2008
  8. doi request reprint Relationship of influenza vaccination declination statements and influenza vaccination rates for healthcare workers in 22 US hospitals
    Philip M Polgreen
    University of Iowa Department of Internal Medicine, 200 Hawkins Drive, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 29:675-7. 2008
  9. pmc A spatial analysis of the spread of mumps: the importance of college students and their spring-break-associated travel
    P M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Epidemiol Infect 138:434-41. 2010
  10. pmc A time-series analysis of clostridium difficile and its seasonal association with influenza
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 31:382-7. 2010

Collaborators

Detail Information

Publications54

  1. pmc The use of Twitter to track levels of disease activity and public concern in the U.S. during the influenza A H1N1 pandemic
    Alessio Signorini
    Department of Computer Science, University of Iowa, Iowa City, Iowa, United States of America
    PLoS ONE 6:e19467. 2011
    ..Our results show that estimates of influenza-like illness derived from Twitter chatter accurately track reported disease levels...
  2. pmc Upward trend in dengue incidence among hospitalized patients, United States
    Judy A Streit
    University of Iowa, Iowa City, Iowa, USA
    Emerg Infect Dis 17:914-6. 2011
    ..We conducted a retrospective cohort analysis of trends in dengue among hospitalized patients by using the National Inpatient Sample (2000-2007); the number of cases more than tripled (p<0.0001)...
  3. pmc Detecting paroxysmal coughing from pertussis cases using voice recognition technology
    Danny Parker
    GTD Unlimited, Oxford, Mississippi, United States of America
    PLoS ONE 8:e82971. 2013
    ..However, many clinicians have never seen a case, and thus may miss initial cases during an outbreak. The purpose of this project was to use voice-recognition software to distinguish pertussis coughs from croup and other coughs...
  4. pmc Knowledge sharing among healthcare infection preventionists: the impact of public health professionals in a rural state
    Timothy Wiemken
    University of Louisville, Louisville, KY 40202, USA
    BMC Res Notes 5:387. 2012
    ..The objective of this study was to evaluate the importance of public health involvement on the knowledge-sharing network of IPs in a rural state...
  5. doi request reprint A statewide outbreak of Cryptosporidium and its association with the distribution of public swimming pools
    P M Polgreen
    Department of Infectious Disease, University of Iowa, Iowa City, 52242, USA
    Epidemiol Infect 140:1439-45. 2012
    ..country club or apartment pools), and pools catering to young children (wading pools) are associated with more cases at the county level...
  6. pmc Incidence of and risk factors for community-associated Clostridium difficile infection: a nested case-control study
    Jennifer L Kuntz
    Center for Health Research, Kaiser Permanente Northwest, Portland, OR, USA
    BMC Infect Dis 11:194. 2011
    ..The purpose of this study was to examine the epidemiology of CA-CDI, by estimating the incidence of CA-CDI and HA-CDI, identifying patient-related risk factors for CA-CDI, and describing adverse health outcomes of CA-CDI...
  7. doi request reprint The duration of mumps virus shedding after the onset of symptoms
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Clin Infect Dis 46:1447-9. 2008
    ..However, we estimate that 8%-15% of patients will still be shedding the virus 5 days after the onset of symptoms and, thus, may still be contagious during this period...
  8. doi request reprint Relationship of influenza vaccination declination statements and influenza vaccination rates for healthcare workers in 22 US hospitals
    Philip M Polgreen
    University of Iowa Department of Internal Medicine, 200 Hawkins Drive, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 29:675-7. 2008
    ..In most hospitals, there were no negative consequences for healthcare workers who refused to sign the forms, and most policies were implemented along with other interventions designed to increase vaccination rates...
  9. pmc A spatial analysis of the spread of mumps: the importance of college students and their spring-break-associated travel
    P M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Epidemiol Infect 138:434-41. 2010
    ..Finally, we found the proportion of mumps cases in both older and younger persons increased after 1 April (P=0.0029), suggesting that spring-break college travel was associated with the spread of mumps to other age groups...
  10. pmc A time-series analysis of clostridium difficile and its seasonal association with influenza
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 31:382-7. 2010
    ..To characterize the temporal progression of the monthly incidence of Clostridium difficile infections (CDIs) and to determine whether the incidence of CDI is related to the incidence of seasonal influenza...
  11. ncbi request reprint Wide variability in the use of antimicrobial lock therapy and prophylaxis among infectious diseases consultants
    Philip M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 31:554-7. 2010
    ..Although antimicrobial lock therapy is more commonly used, we found a significant variation in practice patterns...
  12. ncbi request reprint Results of a national survey of infectious diseases specialists regarding influenza vaccination programs for healthcare workers
    Philip M Polgreen
    Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 31:1063-5. 2010
    ..Although true mandatory policies are not common, a majority of infectious diseases consultants support such policies...
  13. pmc Using oral vancomycin prescriptions as a proxy measure for Clostridium difficile infections: a spatial and time series analysis
    Philip M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 32:723-6. 2011
    ....
  14. ncbi request reprint Inaccurate glycosylated hemoglobin A1C measurements in human immunodeficiency virus-positive patients with diabetes mellitus
    Philip M Polgreen
    Department of Internal Medicine and Research, Iowa City Veterans Administration Medical Center and University of Iowa, Iowa City, IA, USA
    Clin Infect Dis 37:e53-6. 2003
    ..Determination of fructosamine levels was a more accurate alternative for measuring average glycemic control in these patients...
  15. pmc Respiratory fluoroquinolone use and influenza
    Philip M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 32:706-9. 2011
    ..In our time series model, instantaneous influenza activity was a significant predictor of use (P < .0001). Also, we estimated that reducing influenza activity by 20% would reduce prescriptions by 8%...
  16. ncbi request reprint Risk factors for groin wound infection after femoral artery catheterization: a case-control study
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City 52242, USA
    Infect Control Hosp Epidemiol 27:34-7. 2006
    ..Groin wound infection (GWI) after femoral artery catheterization is unusual. However, several reports of GWI associated with the use of a Perclose device appear in the surgical literature...
  17. pmc Optimizing influenza sentinel surveillance at the state level
    Philip M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    Am J Epidemiol 170:1300-6. 2009
    ..Given scarce public health resources, MCMs can help surveillance efforts by prioritizing recruitment of sentinel locations...
  18. ncbi request reprint Use of prediction markets to forecast infectious disease activity
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Clin Infect Dis 44:272-9. 2007
    ..Information revealed by prediction markets may help to inform treatment, prevention, and policy decisions. Also, these markets could help to refine existing surveillance systems...
  19. ncbi request reprint An outbreak of severe Clostridium difficile-associated disease possibly related to inappropriate antimicrobial therapy for community-acquired pneumonia
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 28:212-4. 2007
    ..difficile infection may not have had pneumonia. Excessive use of the hospital's new pneumonia care plan during the influenza season may have contributed to the intensity of this outbreak...
  20. doi request reprint Elements of influenza vaccination programs that predict higher vaccination rates: results of an emerging infections network survey
    Philip M Polgreen
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City 52242, USA
    Clin Infect Dis 46:14-9. 2008
    ..The purpose of the present study was to determine how widely these recommendations have been implemented and to identify important elements of successful influenza vaccine programs...
  21. ncbi request reprint Clostridium difficile-associated disease in patients in a small rural hospital
    Jennifer L Kuntz
    Department of Epidemiology, University of Iowa College of Public Health, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 28:1236-9. 2007
    ..To determine the risk factors for Clostridium difficile-associated disease (CDAD) in a 25-bed rural hospital and to compare antimicrobial use ratios at the study hospital with those at a large academic medical center...
  22. pmc Increased hospitalizations among sarcoidosis patients from 1998 to 2008: a population-based cohort study
    Alicia K Gerke
    Department of Internal Medicine, University of Iowa, 200 Hawkins Drive, Iowa City, IA 52242, USA
    BMC Pulm Med 12:19. 2012
    ..The objectives of this study were to determine the incidence of sarcoidosis among hospitalized patients and to analyze recent trends and seasonality of hospitalizations in sarcoidosis patients...
  23. pmc A statewide system for improving influenza vaccination rates in hospital employees
    Philip M Polgreen
    Department of Internal Medicine, Roy J and Lucille A Carver College of Medicine, University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 30:474-8. 2009
    ..To describe and report the progress of a provider-initiated approach to increase influenza immunization rates for healthcare workers...
  24. ncbi request reprint Trends in Clostridium difficile infection among peripartum women
    Jennifer L Kuntz
    College of Public Health, University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 31:532-4. 2010
    ..From 1998 to 2006, the number and incidence of C. difficile infection among peripartum women increased significantly. These increases were comparable to those observed in the general hospitalized population...
  25. doi request reprint Use of a pandemic preparedness drill to increase rates of influenza vaccination among healthcare workers
    Jennifer L Kuntz
    Department of Epidemiology, University of Iowa College of Public Health, Iowa City, IA, USA
    Infect Control Hosp Epidemiol 29:111-5. 2008
    ..To determine the effect of a pandemic influenza preparedness drill on the rate of influenza vaccination among healthcare workers (HCWs)...
  26. pmc Predicting chronic obstructive pulmonary disease hospitalizations based on concurrent influenza activity
    Alicia K Gerke
    1Department of Internal Medicine, University of Iowa, Iowa City, IA, USA
    COPD 10:573-80. 2013
    ..Our results suggest that improvements in influenza surveillance, prevention, and treatment may decrease hospitalizations of patients diagnosed with COPD...
  27. pmc Using sensor networks to study the effect of peripatetic healthcare workers on the spread of hospital-associated infections
    Thomas Hornbeck
    Department of Computer Science, College of Public Health, University of Iowa, Iowa City, Iowa 52242, USA
    J Infect Dis 206:1549-57. 2012
    ..Our goal is to determine the impact of hand hygiene noncompliance among peripatetic (eg, highly mobile or highly connected) healthcare workers compared with less-connected workers...
  28. ncbi request reprint Diagnosing and reporting of central line-associated bloodstream infections
    Susan E Beekmann
    Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, Iowa, USA
    Infect Control Hosp Epidemiol 33:875-82. 2012
    ..The diagnosis of central line-associated bloodstream infections (CLABSIs) is often controversial, and existing guidelines differ in important ways...
  29. ncbi request reprint Epidemiology of methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus in a rural state
    Philip M Polgreen
    Division of Infectious Diseases, Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, 52246, USA
    Infect Control Hosp Epidemiol 27:252-6. 2006
    ..Infection control personnel need to understand the epidemiology of MRSA and VRE across the continuum of care, including small rural hospitals, to develop effective control strategies...
  30. doi request reprint Improving antimicrobial stewardship: the evolution of programmatic strategies and barriers
    Birgir Johannsson
    Carver College of Medicine, University of Iowa, Iowa City, Iowa, USA
    Infect Control Hosp Epidemiol 32:367-74. 2011
    ..To describe the prevalence and characteristics of antimicrobial stewardship programs (ASPs) in hospitals across the United States and to describe financial support provided for these programs...
  31. pmc Prioritizing healthcare worker vaccinations on the basis of social network analysis
    Philip M Polgreen
    Department of Internal Medicine, The University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 31:893-900. 2010
    ..To use social network analysis to design more effective strategies for vaccinating healthcare workers against influenza...
  32. doi request reprint Travel and tropical medicine practice among infectious disease practitioners
    Judy A Streit
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    J Travel Med 19:92-5. 2012
    ..Aggregate information from travel-medicine providers may reveal practice patterns and novel trends in infectious illness acquired through travel...
  33. pmc Association of hospitalizations for asthma with seasonal and pandemic influenza
    Alicia K Gerke
    Department of Internal Medicine, University of Iowa, Iowa City, Iowa, USA
    Respirology 19:116-21. 2014
    ..Second, we used influenza trends (2000-2008) to help predict asthma admissions during the 2009 H1N1 influenza pandemic...
  34. ncbi request reprint Primary stroke centers should be located using maximal coverage models for optimal access
    Enrique C Leira
    Division of Cerebrovascular Diseases, Carver College of Medicine, Iowa City, IA, USA
    Stroke 43:2417-22. 2012
    ..An alternative, directed, algorithmic approach to determine near optimal locations of PSCs would be justified if it significantly improves coverage...
  35. pmc Monitoring hand hygiene via human observers: how should we be sampling?
    Jason Fries
    Department of Computer Science, University of Iowa, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 33:689-95. 2012
    ..To explore how hand hygiene observer scheduling influences the number of events and unique individuals observed...
  36. pmc The precision of human-generated hand-hygiene observations: a comparison of human observation with an automated monitoring system
    Deepti Sharma
    Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, Iowa 52242, USA
    Infect Control Hosp Epidemiol 33:1259-61. 2012
    ..Observation details differed for 38% of these events. Two likely explanations for these inconsistencies were the distance between the observer and the event and the busyness of the clinic...
  37. doi request reprint Toxicity of extended courses of linezolid: results of an Infectious Diseases Society of America Emerging Infections Network survey
    Susan E Beekmann
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Diagn Microbiol Infect Dis 62:407-10. 2008
    ..Close monitoring for signs and symptoms of these adverse events should be considered for patients receiving long-term therapy...
  38. pmc Method for automated monitoring of hand hygiene adherence without radio-frequency identification
    Philip M Polgreen
    Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA
    Infect Control Hosp Epidemiol 31:1294-7. 2010
    ..We have developed a method for automatically tracking the use of hand hygiene dispensers before healthcare workers enter (or after they exit) patient rooms that is easily and quickly deployed without permanent hardware...
  39. pmc How many suffice? A computational framework for sizing sentinel surveillance networks
    Geoffrey Fairchild
    Department of Computer Science, University of Iowa, Iowa City, Iowa, USA
    Int J Health Geogr 12:56. 2013
    ..Networks can be tuned to preferentially perform these tasks. Given that resources are limited, careful site selection can save costs while minimizing performance loss...
  40. doi request reprint Using internet searches for influenza surveillance
    Philip M Polgreen
    Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City, USA
    Clin Infect Dis 47:1443-8. 2008
    ..001), and similar models predicted an increase in mortality attributable to pneumonia and influenza up to 5 weeks in advance (P < .001). Search-term surveillance may provide an additional tool for disease surveillance...
  41. ncbi request reprint Incidence of invasive aspergillosis among allogeneic hematopoietic stem cell transplant patients receiving voriconazole prophylaxis
    Gregory T Siwek
    Program of Hospital Epidemiology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242, USA
    Diagn Microbiol Infect Dis 55:209-12. 2006
    ..We report no cases of IA among 92 HSCT recipients who received voriconazole prophylaxis compared with a 10% (23/223) incidence among those receiving other systemic antifungals for prophylaxis (P < .0005)...
  42. doi request reprint Are well-child visits a risk factor for subsequent influenza-like illness visits?
    Jacob E Simmering
    Department of Pharmacy Practice and Science, University of Iowa, Iowa City, Iowa
    Infect Control Hosp Epidemiol 35:251-6. 2014
    ..To determine whether well-child visits are a risk factor for subsequent influenza-like illness (ILI) visits within a child's family...
  43. pmc Healthcare worker contact networks and the prevention of hospital-acquired infections
    Donald E Curtis
    Department of Computer Science, The University of Iowa, Iowa City, Iowa, United States of America
    PLoS ONE 8:e79906. 2013
    ....
  44. pmc Current management of prosthetic joint infections in adults: results of an Emerging Infections Network survey
    Jonas Marschall
    Division of Infectious Diseases, Washington University School of Medicine, 660 S Euclid, St Louis, MO 63110, USA
    Int J Antimicrob Agents 41:272-7. 2013
    ..In conclusion, there is considerable variation in treatment of PJIs both with identified pathogens and those with negative cultures. Future studies should aim to identify optimum treatment strategies...
  45. pmc Optimal screening strategies for healthcare associated infections in a multi-institutional setting
    Aaron C Miller
    Department of Pharmacy Practice and Science, University of Iowa College of Pharmacy, Iowa City, Iowa, United States of America
    PLoS Comput Biol 10:e1003407. 2014
    ..We find that screening mandates set at a centralized level (i.e. state or national) will have a greater impact on the control of infectious disease. ..
  46. ncbi request reprint Automated and electronically assisted hand hygiene monitoring systems: a systematic review
    Melissa A Ward
    Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA
    Am J Infect Control 42:472-8. 2014
    ..Our systematic review assesses the existing evidence surrounding the adoption and accuracy of automated systems or electronically enhanced direct observations and also reviews the effectiveness of such systems in health care settings...
  47. doi request reprint Practice patterns of infectious disease physicians for management of meningococcal disease
    Andrew Terranella
    Epidemic Intelligence Service, Scientific, Education, and Professional Development Office, Centers for Disease Control and Prevention, Atlanta, GA, USA
    Pediatr Infect Dis J 31:e208-12. 2012
    ..A survey was conducted among infectious disease specialists to assess meningococcal disease practice patterns and availability of antimicrobial susceptibility testing for Neisseria menigitidis...
  48. doi request reprint Systemic exposure to aminoglycosides following knee and hip arthroplasty with aminoglycoside-loaded bone cement implants
    Graziela Z Kalil
    Roy and Lucille Carver College of Medicine, University of Iowa, Iowa City, USA
    Ann Pharmacother 46:929-34. 2012
    ..Parenteral aminoglycosides are known to cause nephrotoxicity. Reports of acute renal failure in patients receiving ALBC implants have been reported in the literature and at our hospital...
  49. ncbi request reprint GB virus type C/hepatitis G virus: a non-pathogenic flavivirus associated with prolonged survival in HIV-infected individuals
    Philip M Polgreen
    Department of Internal Medicine, Iowa City VA Medical Center, Internal Medicine SW34 P, GH, University of Iowa, UIHC, 200 Hawkins Drive, Iowa City, IA 52242, USA
    Microbes Infect 5:1255-61. 2003
    ..In vitro studies suggest that GBV-C inhibits HIV replication and alters cytokine, chemokine and chemokine receptor expression. Thus, GBV-C may be a major factor influencing the natural history of HIV disease...
  50. ncbi request reprint Influenza vaccination rates, feedback and the Hawthorne effect
    Philip M Polgreen
    Infect Control Hosp Epidemiol 27:98-9. 2006
  51. ncbi request reprint Persistent GB virus C infection and survival in HIV-infected men
    Carolyn F Williams
    Epidemiology Branch, Division of AIDS, National Institute of Allergy and Infectious Diseases, Bethesda, MD, USA
    N Engl J Med 350:981-90. 2004
    ..Previous studies did not control for differences in the duration of HIV or GBV-C infection...
  52. doi request reprint Characteristics of Staphylococcus aureus community-acquired pneumonia during the 2006-2007 influenza season
    Alexander J Kallen
    Clin Infect Dis 45:1655. 2007
  53. doi request reprint Variability among pediatric infectious diseases specialists in the treatment and prevention of methicillin-resistant Staphylococcus aureus skin and soft tissue infections
    C Buddy Creech
    Division of Pediatric Infectious Diseases, Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN 37232, USA
    Pediatr Infect Dis J 27:270-2. 2008
    ....
  54. doi request reprint Clostridium difficile-associated diarrhea: an emerging threat to pregnant women
    Nadine G Rouphael
    Division of Bacterial Diseases, Epidemic Intelligence Service Field Assignments Branch, Centers for Disease Control and Prevention, Atlanta, GA, USA
    Am J Obstet Gynecol 198:635.e1-6. 2008
    ..To estimate if Clostridium difficile-associated disease (CDAD) is increasing in peripartum women...