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AHRQ Research Studies
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Research Studies is a compilation of published research articles funded by AHRQ or authored by AHRQ researchers.
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1 to 3 of 3 Research Studies DisplayedKim HS, Hernaez R, Sansgiry S
Comparative effectiveness of surveillance colonoscopy intervals on colorectal cancer outcomes in a national cohort of patients with inflammatory bowel disease.
The purpose of this study was to determine the comparative effectiveness of varying colonoscopy intervals on colorectal cancer (CRC) outcomes among patients with inflammatory bowel disease (IBD). Data was from the National Veterans Health Administration. Findings showed that, in a national cohort of patients with CRC-IBD, colonoscopy within 3 years prior to CRC diagnosis was associated with early tumor stage at diagnosis, and colonoscopy within 1 year was associated with a reduced all-cause mortality compared with no colonoscopy, supporting colonoscopy intervals of 1 to 3 years in patients with IBD in order to reduce late-stage CRC and all-cause mortality.
AHRQ-funded; HS024122.
Citation: Kim HS, Hernaez R, Sansgiry S .
Comparative effectiveness of surveillance colonoscopy intervals on colorectal cancer outcomes in a national cohort of patients with inflammatory bowel disease.
Clin Gastroenterol Hepatol 2022 Dec;20(12):2848-57.e2. doi: 10.1016/j.cgh.2022.02.048..
Keywords: Cancer: Colorectal Cancer, Cancer, Digestive Disease and Health, Imaging, Screening, Comparative Effectiveness, Evidence-Based Practice, Patient-Centered Outcomes Research
John-Baptiste A, Schapira MM, Cravens C
AHRQ Author: John-Baptiste A, Cravens C, Siegel J, Lawrence W
The role of decision models in health care policy: a case study.
In 2009, the Centers for Medicare and Medicaid Services (CMS) underwent a National Coverage Determination on computed tomography colonography (CTC) to screen for colorectal cancer. The Cancer Intervention & Surveillance Network developed decision models to inform this decision. The purpose of this study was to investigate the role of models in this decision. It concluded that decision makers involved in the CTC decision believed in the adequacy of models to inform coverage decisions.
AHRQ-authored.
Citation: John-Baptiste A, Schapira MM, Cravens C .
The role of decision models in health care policy: a case study.
Med Decis Making 2016 Jul;36(5):666-79. doi: 10.1177/0272989x16646732.
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Keywords: Cancer: Colorectal Cancer, Shared Decision Making, Imaging, Policy
Acharya S, Fischer-Valuck BW, Kashani R
Online magnetic resonance image guided adaptive radiation therapy: first clinical applications.
The authors demonstrated the feasibility of online adaptive magnetic resonance (MR) image guided radiation therapy (MR-IGRT) with five patients with abdominopelvic malignancies. They successfully implemented online adaptive MR-IGRT with planning and quality assurance workflow suitable for routine clinical application. Clinical trials are in development to formally evaluate adaptive treatments for a variety of disease sites.
AHRQ-funded; HS022888.
Citation: Acharya S, Fischer-Valuck BW, Kashani R .
Online magnetic resonance image guided adaptive radiation therapy: first clinical applications.
Int J Radiat Oncol Biol Phys 2016 Feb;94(2):394-403. doi: 10.1016/j.ijrobp.2015.10.015.
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Keywords: Cancer, Cancer: Colorectal Cancer, Imaging, Workflow