Charles M. Maxfield

ORCID: 0000-0003-0335-5547
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About
Contact & Profiles
Research Areas
  • Radiology practices and education
  • Diversity and Career in Medicine
  • Radiation Dose and Imaging
  • Ultrasound in Clinical Applications
  • Innovations in Medical Education
  • Medical Education and Admissions
  • Intestinal Malrotation and Obstruction Disorders
  • Advanced X-ray and CT Imaging
  • Global Health Workforce Issues
  • Neonatal Respiratory Health Research
  • Medical Imaging Techniques and Applications
  • Pediatric Urology and Nephrology Studies
  • Artificial Intelligence in Healthcare and Education
  • Healthcare Policy and Management
  • Appendicitis Diagnosis and Management
  • Gastrointestinal disorders and treatments
  • Neonatal and fetal brain pathology
  • Global Health and Surgery
  • Urinary Tract Infections Management
  • Online and Blended Learning
  • Medical Malpractice and Liability Issues
  • Kidney Stones and Urolithiasis Treatments
  • Patient-Provider Communication in Healthcare
  • Amoebic Infections and Treatments
  • Radiomics and Machine Learning in Medical Imaging

Duke Medical Center
2016-2025

Duke University Health System
2013-2025

Duke University
2011-2024

Duke University Hospital
2015-2024

Indiana University
2019

University of New Mexico
2019

Cincinnati Children's Hospital Medical Center
2017

American College of Radiology
2017

Boston Children's Hospital
2017

Duke Children's Hospital & Health Center
2014

Purpose To evaluate for appearance-based discrimination in the selection of radiology residents. Method A deception study simulating resident process examined impact attractiveness and obesity on selection. Seventy-four core faculty from 5 academic departments reviewed mock residency applications September October 2017. Each application included demographic information a photograph, representing prespecified distribution facial obesity, combined with randomized supporting variables....

10.1097/acm.0000000000002813 article EN Academic Medicine 2019-05-31

The purpose of this study was to compare the diagnostic capabilities standard- and reduced-dose CT in detection nephroureterolithiasis children.Forty-five patients 20 years old or younger divided into two groups weighing 50 kg less more than underwent unenhanced 16-MDCT evaluation acute flank pain. An investigational computer-simulated tube current reduction tool used produce additional 80- 40-mA examination sets (total number image sets=135). Three independent blinded readers ranked random...

10.2214/ajr.08.1391 article EN American Journal of Roentgenology 2008-12-19

Periventricular hemorrhagic infarction (PVHI) is a major contributing factor to poor neurodevelopmental outcomes in preterm infants. We hypothesized that surviving infants with unilateral PVHI would have more favorable than those bilateral PVHI.This was multicenter, retrospective study of who were admitted 3 NICUs North Carolina from 1998 2004. The clinical course and late neuroimaging studies 69 weighed <1500 g had confirmed on early cranial ultrasonography reviewed. A predictive model for...

10.1542/peds.2009-0953 article EN PEDIATRICS 2009-11-30

Purpose To determine diagnostic reference ranges on the basis of size a pediatric patient's chest and to develop method estimate computed tomographic (CT) scanner-specific mean size-specific dose estimates (SSDEs) as function patient radiation output each CT scanner at site. Materials Methods The institutional review boards center approved this retrospective, HIPAA-compliant, multicenter study; informed consent was waived. indexes (SSDE, volume index, length product) 518 patients (mean age,...

10.1148/radiol.2017161530 article EN Radiology 2017-03-14

Background. Candida species commonly cause urinary tract infection in infants admitted to neonatal intensive care units. The purpose of this study was describe the natural history renal candidiasis as evidenced by sonography with candiduria. Methods. medical records all who developed candiduria during their hospitalization between 1982 and 1993 were reviewed. Candiduria defined isolation from (1) one or more specimens obtained bladder catheterization suprapubic aspiration, (2) voided...

10.1097/00006454-199911000-00004 article EN The Pediatric Infectious Disease Journal 1999-11-01

Abstract Objectives Implicit bias is common and thought to drive discriminatory behaviour. Having previously demonstrated discrimination against specific applicant demographics by academic radiology departments in a simulated resident selection process, the authors sought better understand relationship between implicit discrimination, as well potential mechanisms for their mitigation. Methods A total of 51 faculty reviewers at three departments, who had participated 2017 audit study which...

10.1111/medu.14146 article EN Medical Education 2020-03-02

The purpose of this study was to evaluate radiologists' agreement when using a 10-point scale abnormal findings designed standardize reporting abdominal radiographs in neonates or infants with suspected necrotizing enterocolitis.

10.2214/ajr.07.3558 article EN American Journal of Roentgenology 2008-06-18

The purpose of this study was to develop and validate a technique for three-dimensional (3D) modelling small lung nodules on paediatric multidetector array computed tomography (MDCT) images. Clinical images were selected from 21 patients (<18 years old) who underwent MDCT examinations. Sixteen the had one or more real with diameters between 2.5 6 mm. A mathematical simulation developed emulate 3D characteristics nodules. To technique, 34 55 simulated randomised rated independently by four...

10.1259/bjr/51749983 article EN British Journal of Radiology 2009-04-22

Little consensus exists regarding the choice of a specific modality voiding cystography in evaluation and management vesicoureteral reflux. We hypothesized that choices pediatric urologists are based on technical factors studies themselves, as well institutional unique to their hospital(s). Therefore, we surveyed determine current practices preferences modalities cystography.We mailed an anonymous survey 40 questions all fellows American Academy Pediatrics Section Urology.Surveys were...

10.1016/j.juro.2009.02.138 article EN The Journal of Urology 2009-05-18
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