Search Results - "Jensen, Christopher D"

Adenoma Detection Rate and Risk of Colorectal Cancer and Death by Corley, Douglas A, Jensen, Christopher D, Marks, Amy R, Zhao, Wei K, Lee, Jeffrey K, Doubeni, Chyke A, Zauber, Ann G, de Boer, Jolanda, Fireman, Bruce H, Schottinger, Joanne E, Quinn, Virginia P, Ghai, Nirupa R, Levin, Theodore R, Quesenberry, Charles P

“…The proportion of a physician's screening colonoscopies that detect at least one adenoma (the adenoma detection rate) is a quality measure. In this study…”
Get full text

Effectiveness of screening colonoscopy in reducing the risk of death from right and left colon cancer: a large community-based study by Doubeni, Chyke A, Corley, Douglas A, Quinn, Virginia P, Jensen, Christopher D, Zauber, Ann G, Goodman, Michael, Johnson, Jill R, Mehta, Shivan J, Becerra, Tracy A, Zhao, Wei K, Schottinger, Joanne, Doria-Rose, V Paul, Levin, Theodore R, Weiss, Noel S, Fletcher, Robert H

“…Screening colonoscopy's effectiveness in reducing colorectal cancer mortality risk in community populations is unclear, particularly for right-colon cancers,…”
Get more information

Association Between Time to Colonoscopy After a Positive Fecal Test Result and Risk of Colorectal Cancer and Cancer Stage at Diagnosis by Corley, Douglas A, Jensen, Christopher D, Quinn, Virginia P, Doubeni, Chyke A, Zauber, Ann G, Lee, Jeffrey K, Schottinger, Joanne E, Marks, Amy R, Zhao, Wei K, Ghai, Nirupa R, Lee, Alexander T, Contreras, Richard, Quesenberry, Charles P, Fireman, Bruce H, Levin, Theodore R

“…IMPORTANCE: The fecal immunochemical test (FIT) is commonly used for colorectal cancer screening and positive test results require follow-up colonoscopy…”
Get full text

Long-term Risk of Colorectal Cancer and Related Death After Adenoma Removal in a Large, Community-based Population by Lee, Jeffrey K., Jensen, Christopher D., Levin, Theodore R., Doubeni, Chyke A., Zauber, Ann G., Chubak, Jessica, Kamineni, Aruna S., Schottinger, Joanne E., Ghai, Nirupa R., Udaltsova, Natalia, Zhao, Wei K., Fireman, Bruce H., Quesenberry, Charles P., Orav, E. John, Skinner, Celette S., Halm, Ethan A., Corley, Douglas A.

“…The long-term risks of colorectal cancer (CRC) and CRC-related death following adenoma removal are uncertain. Data are needed to inform evidence-based…”
Get full text

Variation of Adenoma Prevalence by Age, Sex, Race, and Colon Location in a Large Population: Implications for Screening and Quality Programs by Corley, Douglas A, Jensen, Christopher D, Marks, Amy R, Zhao, Wei K, de Boer, Jolanda, Levin, Theodore R, Doubeni, Chyke, Fireman, Bruce H, Quesenberry, Charles P

“…Background & Aims Reliable community-based colorectal adenoma prevalence estimates are needed to inform colonoscopy quality standards and to estimate patient…”
Get full text

Impact of the COVID-19 Pandemic on Fecal Immunochemical Testing, Colonoscopy Services, and Colorectal Neoplasia Detection in a Large United States Community-based Population by Lee, Jeffrey K., Lam, Angela Y., Jensen, Christopher D., Marks, Amy R., Badalov, Jessica, Layefsky, Evan, Kao, Kevin, Ho, Ngoc J., Schottinger, Joanne E., Ghai, Nirupa R., Carlson, Cheryl M., Halm, Ethan A., Green, Beverly, Li, Dan, Corley, Douglas A., Levin, Theodore R.

“…The COVID-19 pandemic has affected clinical services globally, including colorectal cancer (CRC) screening and diagnostic testing. We investigated the…”
Get full text

Can we improve adenoma detection rates? A systematic review of intervention studies by Corley, Douglas A., MD, PhD, Jensen, Christopher D., PhD, MPH, Marks, Amy R., MPH

Get full text

Race/Ethnicity and Adoption of a Population Health Management Approach to Colorectal Cancer Screening in a Community-Based Healthcare System by Mehta, Shivan J., Jensen, Christopher D., Quinn, Virginia P., Schottinger, Joanne E., Zauber, Ann G., Meester, Reinier, Laiyemo, Adeyinka O., Fedewa, Stacey, Goodman, Michael, Fletcher, Robert H., Levin, Theodore R., Corley, Douglas A., Doubeni, Chyke A.

“…Background Screening outreach programs using population health management principles offer services uniformly to all eligible persons, but racial/ethnic…”
Get full text

Diagnosis and predictors of sessile serrated adenoma after educational training in a large, community-based, integrated healthcare setting by Li, Dan, Woolfrey, John, Jiang, Sheng-Fang, Jensen, Christopher D., Zhao, Wei K., Kakar, Sanjay, Santamaria, Monica, Rumore, Greg, Armstrong, Mary Anne, Postlethwaite, Debbie, Corley, Douglas A., Levin, Theodore R.

“…Sessile serrated adenomas (SSAs) are precursors of 15% to 30% of colorectal cancers but are frequently underdiagnosed. We sought to measure the SSA detection…”
Get full text

Factors influencing variation in physician adenoma detection rates: a theory-based approach for performance improvement by Atkins, Louise, PhD, Hunkeler, Enid M., MA, Jensen, Christopher D., PhD, MPH, Michie, Susan, PhD, Lee, Jeffrey K., MD, MAS, Doubeni, Chyke A., MD, MPH, Zauber, Ann G., PhD, Levin, Theodore R., MD, Quinn, Virginia P., PhD, MPH, Corley, Douglas A., MD, PhD

“…Background and Aims Interventions to improve physician adenoma detection rates for colonoscopy have generally not been successful, and there are little data on…”
Get full text

Serum vitamin C and other biomarkers differ by genotype of phase 2 enzyme genes GSTM1 and GSTT1 by BLOCK, Gladys, SHAIKH, Nishat, D JENSEN, Christopher, VOLBERG, Vitaly, HOLLAND, Nina

“…Glutathione S-transferases (GSTs) detoxify environmental chemicals and are involved in oxidative stress pathways. Deletion polymorphisms affect enzyme…”
Get full text

Human papillomavirus vaccination and subsequent cervical cancer screening in a large integrated healthcare system by Chao, Chun, PhD, Silverberg, Michael J., PhD, Becerra, Tracy A., PhD, Corley, Douglas A., MD, PhD, Jensen, Christopher D., PhD, Chen, Qiaoling, MS, Quinn, Virginia P., PhD

“…Background Human papillomavirus vaccination may result in lowered intention to be screened for cervical cancer, potentially leading to gaps in screening…”
Get full text

Endoscopist fatigue estimates and colonoscopic adenoma detection in a large community-based setting by Lee, Alexander, MD, Jensen, Christopher D., PhD, MPH, Marks, Amy R., MPH, Zhao, Wei K., MPH, Doubeni, Chyke A., MD, MPH, Zauber, Ann G., PhD, Quinn, Virginia P., PhD, MPH, Levin, Theodore R., MD, Corley, Douglas A., MD, PhD

“…Background and Aims Endoscopist fatigue may impact colonoscopy quality, but prior studies conflict, and minimal data exist from community-based practices where…”
Get full text

Colorectal Cancer Screening Initiation After Age 50 Years in an Organized Program by Fedewa, Stacey A., MPH, PhD, Corley, Douglas A., MD, MPH, PhD, Jensen, Christopher D., PhD, MPH, Zhao, Wei, MPH, Goodman, Michael, MD, MPH, Jemal, Ahmedin, DVM, PhD, Ward, Kevin C., PhD, MPH, Levin, Theodore R., MD, Doubeni, Chyke A., MD, MPH

“…Introduction Recent studies report racial disparities among individuals in organized colorectal cancer (CRC) programs; however, there is a paucity of…”
Get full text

Development and validation of an algorithm for classifying colonoscopy indication by Lee, Jeffrey K., MD, MAS, Jensen, Christopher D., PhD, MPH, Lee, Alexander, MD, Doubeni, Chyke A., MD, MPH, Zauber, Ann G., PhD, Levin, Theodore R., MD, Zhao, Wei K., MPH, Corley, Douglas A., MD, PhD

“…Background Accurate determination of colonoscopy indication is required for managing clinical programs and performing research; however, existing algorithms…”
Get full text

The effect of vitamins C and E on biomarkers of oxidative stress depends on baseline level by Block, Gladys, Jensen, Christopher D., Morrow, Jason D., Holland, Nina, Norkus, Edward P., Milne, Ginger L., Hudes, Mark, Dalvi, Tapashi B., Crawford, Patricia B., Fung, Ellen B., Schumacher, Laurie, Harmatz, Paul

“…Oxidative stress is elevated in obesity, and may be a major mechanism for obesity-related diseases. Nonsmokers ( n = 396) were randomized to 1000 mg/day…”
Get full text

Usage patterns, health, and nutritional status of long-term multiple dietary supplement users: a cross-sectional study by Block, Gladys, Jensen, Christopher D, Norkus, Edward P, Dalvi, Tapashi B, Wong, Les G, McManus, Jamie F, Hudes, Mark L

“…Dietary supplement use in the United States is prevalent and represents an important source of nutrition. However, little is known about individuals who…”
Get full text

Development and External Validation of a Prediction Model for Colorectal Cancer Among Patients Awaiting Surveillance Colonoscopy Following Polypectomy by Levin, Theodore R., Jensen, Christopher D., Marks, Amy R., Schlessinger, David, Liu, Vincent, Udaltsova, Natalia, Badalov, Jessica, Layefsky, Evan, Corley, Douglas A., Nugent, Joshua R., Lee, Jeffrey K.

“…Demand for surveillance colonoscopy can sometimes exceed capacity, such as during and following the coronavirus disease 2019 pandemic, yet no tools exist to…”
Get full text

Effects of Organized Colorectal Cancer Screening on Cancer Incidence and Mortality in a Large Community-Based Population by Levin, Theodore R., Corley, Douglas A., Jensen, Christopher D., Schottinger, Joanne E., Quinn, Virginia P., Zauber, Ann G., Lee, Jeffrey K., Zhao, Wei K., Udaltsova, Natalia, Ghai, Nirupa R., Lee, Alexander T., Quesenberry, Charles P., Fireman, Bruce H., Doubeni, Chyke A.

“…Little information is available on the effectiveness of organized colorectal cancer (CRC) screening on screening uptake, incidence, and mortality in…”
Get full text

Vitamin C in plasma is inversely related to blood pressure and change in blood pressure during the previous year in young Black and White women by Block, Gladys, Jensen, Christopher D, Norkus, Edward P, Hudes, Mark, Crawford, Patricia B

“…The prevalence of hypertension and its contribution to cardiovascular disease risk makes it imperative to identify factors that may help prevent this disorder…”
Get full text