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William S. Harmsen

William S. Harmsen

D-Index & Metrics

Medicine

D-Index
122
Citations
51417
World Ranking
3495
National Ranking
1924

Overview

William S. Harmsen is affiliated with the Mayo Clinic in the United States and has a substantial body of research focused primarily within the field of Medicine. Their extensive work covers several subfields including Surgery, Pulmonary and Respiratory Medicine, Oncology, Epidemiology, and Genetics.

The scientist's research topics encompass a range of gastrointestinal and oncological issues. Key topics of their work include:

  • Microscopic Colitis
  • Inflammatory Bowel Disease
  • Pancreatic and Hepatic Oncology Research
  • Gastric Cancer Management and Outcomes
  • Esophageal and GI Pathology
  • Advanced Radiotherapy Techniques
  • Gastrointestinal motility and disorders

William S. Harmsen has contributed publications to a variety of scientific journals, with frequent appearances in the following venues:

  • Gastroenterology
  • International Journal of Radiation Oncology*Biology*Physics
  • Practical Radiation Oncology
  • The American Journal of Gastroenterology
  • Clinical Gastroenterology and Hepatology

Among the recent papers involving this scientist are:

  • Effects of liraglutide on gastrointestinal functions and weight in obesity: A randomized clinical and pharmacogenomic trial, 2022, Obesity
  • Comparative analysis of acute toxicities and patient reported outcomes between intensity-modulated proton therapy (IMPT) and volumetric modulated arc therapy (VMAT) for the treatment of oropharyngeal cancer, 2020, Radiotherapy and Oncology
  • Development and Validation of Test for "Leaky Gut" Small Intestinal and Colonic Permeability Using Sugars in Healthy Adults, 2021, Gastroenterology
  • Liver Stiffness Measured by Either Magnetic Resonance or Transient Elastography Is Associated With Liver Fibrosis and Is an Independent Predictor of Outcomes Among Patients With Primary Biliary Cholangitis, 2020, Journal of Clinical Gastroenterology
  • Development and Assessment of a Predictive Score for Vertebral Compression Fracture After Stereotactic Body Radiation Therapy for Spinal Metastases, 2022, JAMA Oncology

The scientist collaborates frequently with several coauthors, including:

  • Kenneth W. Merrell
  • Michael Camilleri
  • William G. Breen
  • Jay Mandrekar
  • Edward V. Loftus

Best Publications

  • The natural history of corticosteroid therapy for inflammatory bowel disease: A population-based study

    William A. Faubion;Edward V. Loftus;William S. Harmsen;Alan R. Zinsmeister

  • The natural history of fistulizing Crohn's disease in Olmsted County, Minnesota.

    David A. Schwartz;Edward V. Loftus;William J. Tremaine;Remo Panaccione

  • Risk factors for opportunistic infections in patients with inflammatory bowel disease.

    Murat Toruner;Edward V. Loftus;W. Scott Harmsen;Alan R. Zinsmeister

  • The safety profile of infliximab in patients with Crohn's disease: The Mayo Clinic experience in 500 patients

    Jean Frederic Colombel;Edward V. Loftus;William J. Tremaine;Laurence J. Egan

  • Risk Factors for Prosthetic Joint Infection: Case-Control Study

    Elie F. Berbari;Arlen D. Hanssen;Mary C. Duffy;James M. Steckelberg

  • Risk factors associated with progression to intestinal complications of Crohn's disease in a population-based cohort.

    Kelvin T. Thia;Kelvin T. Thia;William J. Sandborn;William S. Harmsen;Alan R. Zinsmeister

  • PSC-IBD: a unique form of inflammatory bowel disease associated with primary sclerosing cholangitis

    E V Loftus;G C Harewood;C G Loftus;W J Tremaine

  • Crohn's disease in Olmsted County, Minnesota, 1940-1993: incidence, prevalence, and survival.

    Edward V. Loftus;Marc D. Silverstein;Marc D. Silverstein;William J. Sandborn;William J. Tremaine

  • Correlation of C‐reactive protein with clinical, endoscopic, histologic, and radiographic activity in inflammatory bowel disease

    Craig A Solem;Edward V Loftus;William J Tremaine;William S Harmsen

  • Medical costs in community subjects with irritable bowel syndrome.

    Nicholas J. Talley;Sherine E. Gabriel;W.Scott Harmsen;Alan R. Zinsmeister

  • Effect of femoral head diameter and operative approach on risk of dislocation after primary total hip arthroplasty.

    Daniel J. Berry;Marius von Knoch;Cathy D. Schleck;William S. Harmsen

  • Ulcerative colitis in Olmsted County, Minnesota, 1940-1993: incidence, prevalence, and survival.

    E V Loftus;M D Silverstein;W J Sandborn;W J Tremaine

  • Contemporary management of acute mesenteric ischemia: Factors associated with survival.

    Woosup M. Park;Peter Gloviczki;Kenneth J. Cherry;John W. Hallett

  • Risk of intestinal cancer in inflammatory bowel disease: a population-based study from olmsted county, Minnesota.

    Tine Jess;Edward V. Loftus;Fernando S. Velayos;W. Scott Harmsen

  • Hepatic resection for metastatic colorectal cancer results in cure for some patients.

    Richard L. Jamison;John H. Donohue;David M. Nagorney;Charles B. Rosen

  • Early postoperative complications are not increased in patients with Crohn's disease treated perioperatively with infliximab or immunosuppressive therapy

    Jean Frédéric Colombel;Edward V Loftus;William J Tremaine;John H Pemberton

  • Optimal Testing Parameters for Blood Cultures

    F. R. Cockerill;J. W. Wilson;E. A. Vetter;K. M. Goodman

  • Prospective blinded evaluation of computed tomographic colonography for screen detection of colorectal polyps.

    C.Daniel Johnson;William S Harmsen;Lynn A Wilson;Robert L Maccarty

  • Optimization of CT colonography technique: prospective trial in 180 patients.

    Fletcher Jg;Johnson Cd;Welch Tj;MacCarty Rl

  • Clinical course and costs of care for Crohn's disease: Markov model analysis of a population-based cohort.

    Marc D. Silverstein;Edward V. Loftus;William J. Sandborn;William J. Tremaine

Frequent Co-Authors

Edward V. Loftus
Edward V. Loftus Mayo Clinic
William J. Sandborn
William J. Sandborn University of California, San Diego
Cathy D. Schleck
Cathy D. Schleck Mayo Clinic
Lewis R. Roberts
Lewis R. Roberts Mayo Clinic
Thomas C. Bower
Thomas C. Bower Mayo Clinic
Joel G. Fletcher
Joel G. Fletcher Mayo Clinic
Peter Gloviczki
Peter Gloviczki Mayo Clinic
Duane M. Ilstrup
Duane M. Ilstrup Mayo Clinic

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