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1. Colonoscopy | Effective Health Care (EHC) Program

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   effectivehealthcare.ahrq.gov/health-topics/colonoscopy

2. Evidence Summary: Management of Colonic Diverticulitis (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-233-diverticulitis-evidence-summary.pdf
   October 01, 2020 - o Colonoscopies conducted within 1.5 to 12 months after acute diverticulitis rarely have complications … Colonoscopy: There is low SoE that patients with recent acute diverticulitis may be at about 3 times … the risk of finding CRC on colonoscopy than healthy controls, but the finding is not statistically … (within about 2-12 4 months) with those who did not undergo colonoscopy, found … Regarding colonoscopy, the studies have not adequately addressed whether patients who undergo colonoscopy

3. Management of Acute Diverticulitis Additional Information for Topic Nomination (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/diverticulitis-nomination-extra.pdf
   May 29, 2025 - No Antibiotics KQ2: Diagnostic imaging KQ3: Follow-up colonoscopy KQ4: Surgical and interventional … Antibiotics (oral or parenteral) Clear liquid diet (no antibiotics) CT scan, MRI, ultrasound Colonoscopy … No Antibiotics KQ2: Diagnostic imaging KQ3: Follow-up colonoscopy KQ4: Surgical and interventional … No Antibiotics KQ2: Diagnostic imaging KQ3: Follow-up colonoscopy KQ4: Surgical and interventional

4. Management of Acute Diverticulitis Topic Nomination Disposition (pdf file)
   effectivehealthcare.ahrq.gov/system/files/docs/acute-diverticulitis-topic-nomination.pdf
   August 13, 2018 - Is colonoscopy necessary after computed tomography diagnosis of acute diverticulitis? … Colonoscopy after the first episode of acute diverticulitis: challenging management paradigms. … Colonoscopy after Hinchey I and II left- sided diverticulitis: utility or futility? … Is early colonoscopy after CT-diagnosed diverticulitis still necessary? … N=139 Key Question 3 Overall Search Results AND Colonoscopy (KQ3) colonoscopy/ or sigmoidoscopy

5. EHC Research Protocol: Management of Colonic Diverticulitis (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/pdf/diverticulitis-research-protocol.pdf
   January 01, 2019 - Another area of controversy includes the appropriateness of performing colonoscopy following a resolved … KQ 3: What are the benefits and harms of colonoscopy (or other colon imaging test) following an episode … What is the incidence of malignant and premalignant colon tumors found by colonoscopy, and what is the … What are the procedure-related and other harms of colonoscopy or CT colonography? … (e.g., left-sided) • Virtual colonoscopy • Stool guaiac testing (etc

6. Disposition of Comments: Management of Colonic Diverticulitis (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/diverticulitis-comments.pdf
   October 12, 2020 - o The reviewer also suggested evaluating colorectal cancer (CRC) rates found on colonoscopy by country … • TEP reviewer 3 suggested possibly trimming the section on colonoscopy findings and reorganizing … following acute diverticulosis are clear, suggesting colonoscopy has value following an event in … We have added info about timing of colonoscopies to the Key Messages, Evidence Summary, and relevant … Evidence Summary • It would also be helpful to provide a timeframe for the last bullet point: “Colonoscopies

7. Comparative Effectiveness of Fecal DNA Testing in Screening for Colorectal Cancer in Average Risk Adults. (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/related_files/colorectal-cancer-screening_disposition-comments.pdf
   February 01, 2012 - However, it is not clear in the article whether all (or the majority) of the above colonoscopies were … However, stool samples taken after colonoscopy is problematic as colonoscopies often biopsy or remove … reported, SDT-2 had a positivity rate of 16 percent (95% CI, 8 to 24 percent) in persons with normal colonoscopies … However, stool samples taken after colonoscopy is problematic as colonoscopies often biopsy or remove … "What is the meaning of a positive fecal DNA test and a negative colonoscopy?"

8. Evidence-based Practice Center Systematic Review Protocol (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/pdf/colorectal-cancer-screening_research-protocol.pdf
   May 18, 2011 - Preventive Services Task Force (USPSTF), agree that the recommended options in screening for CRC include: colonoscopy … individuals who are not eligible (either unable or unwilling) for more invasive CRC screening (i.e., colonoscopy … alternative form of CRC screening; however, they state that the preferred forms of screening include colonoscopy … Comparator KQ 1: No screening or another established CRC-screening modality (colonoscopy, FOBT [high-sensitivity … KQ 2: For absolute test performance: colonoscopy alone or supplemented by another test.

9. Crosscutting-Horizon-Scan-High-Impact-1412 (pdf file)
   effectivehealthcare.ahrq.gov/sites/default/files/crosscutting-horizon-scan-high-impact-1412.pdf
   December 01, 2014 - Although third-party payers typically reimburse endoscopy procedures (e.g., screening colonoscopy) … sedated to ensure their comfort and procedure success.2 Diagnostic and uncomplicated endoscopies (e.g., colonoscopies … Projected increased growth rate of anesthesia professional-delivered sedation for colonoscopy and … Computer-assisted personalized sedation for upper endoscopy and colonoscopy: a comparative, multicenter … The predicted cost of anesthesia professional-delivered sedation for colonoscopy and EGD in the United

10. Colorectal-Surgery-Preparation Research-Protocol (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/colorectal-surgery-preparation_research-protocol.pdf
    March 26, 2013 - OMBP is also routinely prescribed prior to colonoscopy (screening, diagnostic, and therapeutic) to allow … Use of OMBP in patients undergoing colonoscopy: OMBP is also used to prepare patients for diagnostic … colonoscopy. … However, data collected in the colonoscopy setting may not be directly transferable to surgical settings … Colonoscopy preparations. May 2001. Gastrointest Endosc 2001 Dec;54(6):829-32.

11. Crosscutting-Horizon-Scan-High-Impact-1406 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/crosscutting-horizon-scan-high-impact-1406.pdf
    June 01, 2014 - Although third-party payers typically reimburse endoscopy procedures (e.g., screening colonoscopy) … sedated to ensure their comfort and procedure success.2 Diagnostic and uncomplicated endoscopies (e.g., colonoscopies … Projected increased growth rate of anesthesia professional-delivered sedation for colonoscopy and … Computer-assisted personalized sedation for upper endoscopy and colonoscopy: a comparative, multicenter … The predicted cost of anesthesia professional- delivered sedation for colonoscopy and EGD in the

12. Ch 4-User-Guide-To-Ocer 130129 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/ch_4-user-guide-to-ocer_130129.pdf
    January 01, 2010 - To illustrate these issues, consider the case in which the primary intervention of interest is colonoscopy … Exposure Definition and Measurement data, colonoscopies may be identified with a CPT code (e.g., CPT … 45355 Colonoscopy, rigid or flexible, transabdominal via colostomy, single or multiple), an HCPCS … code (e.g., G0105 Colorectal cancer screening; colonoscopy on individual at high risk), or an ICD-9 … procedure code (e.g., 45.23 Colonoscopy).

13. Modeling to evaluate benefits and harms of new diagnostic tests compared to established diagnostic tests – uses and limitations (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/benefits-harms-modeling_research.pdf
    November 19, 2009 - An example is colonoscopy screening for colorectal cancer. … Different start and stop ages for colonoscopy screening, and screening at varying intervals have been … For example, in colon cancer diagnosis, both capsule endoscopy (index test) and colonoscopy (reference … Treating colonoscopy as an error-free reference standard likely overestimates the ability of the camera

14. Oral Mechanical Bowel Preparation for Colorectal Surgery | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/colorectal-surgery-preparation/research

15. Oral Mechanical Bowel Preparation for Colorectal Surgery | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/colorectal-surgery-preparation/research-protocol

16. Management of Colonic Diverticulitis | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/diverticulitis/protocol

17. 13-MDM347013 30..38 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/outcomes-testing-evaluation_research.pdf
    January 01, 2009 - Colonoscopy, for example, carries a risk of perforation, and cerebral angiography can lead to permanent … For example, colposcopy and colonoscopy for the followup of positive cervical and colorectal cancer … Complication rates of colonoscopy in an Australian teaching hospital environment.

18. 13-MDM347013 30..38 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/whitepaper4-bossuyt02262010-2.pdf
    January 01, 2009 - Colonoscopy, for example, carries a risk of perforation, and cerebral angiography can lead to permanent … For example, colposcopy and colonoscopy for the followup of positive cervical and colorectal cancer … Complication rates of colonoscopy in an Australian teaching hospital environment.

19. Methods Guide for Medical Test Reviews Chapter 10 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-decision-models_methods.pdf
    July 01, 2012 - computed tomography (CT) colonography for detection of large polyps, with positive cases subjected to colonoscopy … respond to treatment in the same way as the cases detected by supine-only positioning, especially since colonoscopy … For example, the USPSTF recommendations for colonoscopy screening31 were informed by simulations based

20. Imaging Tests for the Staging of Colorectal Cancer | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/colorectal-cancer-staging/research