Research Topics
| Philip M PolgreenSummaryAffiliation: University of Iowa Country: USA Publications
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Publications
A statewide outbreak of Cryptosporidium and its association with the distribution of public swimming poolsP 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...
Incidence of and risk factors for community-associated Clostridium difficile infection: a nested case-control studyJennifer 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...
Wide variability in the use of antimicrobial lock therapy and prophylaxis among infectious diseases consultantsPhilip 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...
Inaccurate glycosylated hemoglobin A1C measurements in human immunodeficiency virus-positive patients with diabetes mellitusPhilip 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...
The duration of mumps virus shedding after the onset of symptomsPhilip 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...
Relationship of influenza vaccination declination statements and influenza vaccination rates for healthcare workers in 22 US hospitalsPhilip 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...
A time-series analysis of clostridium difficile and its seasonal association with influenzaPhilip 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...
Results of a national survey of infectious diseases specialists regarding influenza vaccination programs for healthcare workersPhilip 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...
A spatial analysis of the spread of mumps: the importance of college students and their spring-break-associated travelP 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...
Optimizing influenza sentinel surveillance at the state levelPhilip 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...
Respiratory fluoroquinolone use and influenzaPhilip 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%...
Using oral vancomycin prescriptions as a proxy measure for Clostridium difficile infections: a spatial and time series analysisPhilip 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....
Elements of influenza vaccination programs that predict higher vaccination rates: results of an emerging infections network surveyPhilip 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...
Risk factors for groin wound infection after femoral artery catheterization: a case-control studyPhilip 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...
An outbreak of severe Clostridium difficile-associated disease possibly related to inappropriate antimicrobial therapy for community-acquired pneumoniaPhilip 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...
Use of prediction markets to forecast infectious disease activityPhilip 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...
Clostridium difficile-associated disease in patients in a small rural hospitalJennifer 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...
Increased hospitalizations among sarcoidosis patients from 1998 to 2008: a population-based cohort studyAlicia 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...
A statewide system for improving influenza vaccination rates in hospital employeesPhilip 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...
Use of a pandemic preparedness drill to increase rates of influenza vaccination among healthcare workersJennifer 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)...
Trends in Clostridium difficile infection among peripartum womenJennifer 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...
Using sensor networks to study the effect of peripatetic healthcare workers on the spread of hospital-associated infectionsThomas 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...
Diagnosing and reporting of central line-associated bloodstream infectionsSusan 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...
Epidemiology of methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus in a rural statePhilip 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..CONCLUSIONS: In Iowa, the epidemiology of MRSA differ from those of VRE. MRSA has become established in small rural hospitals. Effective MRSA control strategies may require inclusion of all hospitals in a state or region...
Improving antimicrobial stewardship: the evolution of programmatic strategies and barriersBirgir 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...
Primary stroke centers should be located using maximal coverage models for optimal accessEnrique 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...
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...
Prioritizing healthcare worker vaccinations on the basis of social network analysisPhilip 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...
Method for automated monitoring of hand hygiene adherence without radio-frequency identificationPhilip 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...
Toxicity of extended courses of linezolid: results of an Infectious Diseases Society of America Emerging Infections Network surveySusan 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...
Upward trend in dengue incidence among hospitalized patients, United StatesJudy 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)...
Using internet searches for influenza surveillancePhilip 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...
Incidence of invasive aspergillosis among allogeneic hematopoietic stem cell transplant patients receiving voriconazole prophylaxisGregory 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)...
Travel and tropical medicine practice among infectious disease practitionersJudy 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...
Current management of prosthetic joint infections in adults: results of an Emerging Infections Network surveyJonas Marschall
Division of Infectious Diseases, Washington University School of Medicine, 660 S Euclid, St Louis, MO 63110, USA Electronic address
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...
The precision of human-generated hand-hygiene observations: a comparison of human observation with an automated monitoring systemDeepti 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...
Practice patterns of infectious disease physicians for management of meningococcal diseaseAndrew 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...
Systemic exposure to aminoglycosides following knee and hip arthroplasty with aminoglycoside-loaded bone cement implantsGraziela 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...
GB virus type C/hepatitis G virus: a non-pathogenic flavivirus associated with prolonged survival in HIV-infected individualsPhilip 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...
The use of Twitter to track levels of disease activity and public concern in the U.S. during the influenza A H1N1 pandemicAlessio 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...
Influenza vaccination rates, feedback and the Hawthorne effectPhilip M Polgreen
Infect Control Hosp Epidemiol 27:98-9. 2006
Variability among pediatric infectious diseases specialists in the treatment and prevention of methicillin-resistant Staphylococcus aureus skin and soft tissue infectionsC 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....
Clostridium difficile-associated diarrhea: an emerging threat to pregnant womenNadine 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...
Persistent GB virus C infection and survival in HIV-infected menCarolyn 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..Understanding the mechanisms of interaction between GBV-C and HIV may provide insight into the progression of HIV disease...
Characteristics of Staphylococcus aureus community-acquired pneumonia during the 2006-2007 influenza seasonAlexander J Kallen
Clin Infect Dis 45:1655. 2007
