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Colonoscopy Procedures News
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All Recent Colonoscopy Procedures News |
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Ongoing colorectal cancer risk despite surveillance colonoscopy: the Polyp Prevention Trial Continued Follow-up Study
Leung et al recently reported interesting results of the continued follow-up study (CFS) of patients enrolled in the Polyp Prevention Trial (PPT). However, we believe that they provided an arbitrary estimate of the beneficial effect of removal of adenoma by colonoscopy on the subsequent colorectal cancer (CRC) risk by their method. Leung et al compared the observed incidence of CRC of a subcohort of the CFS patients with the expected incidence derived from CRC rates from the Surveillance, Epidemiology, and End Results (SEER) program. The corresponding SEER rates were used for each gender, 5-year age group, and 4-year calendar period. The estimated standardized incidence ratio (IR) was 0.64 (95% confidence interval, 0.28-1.06). (Source: Gastrointestinal Endoscopy)...
POSTED 08/31/2010 at 06:00 PM --
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Problems with combining esophagogastroduodenoscopy and colonoscopy to analyze risks of transient hypoxia from procedures in patients with risk factors for obstructive sleep apnea: a call for stratifying risks according to individual procedures
Obstructive sleep apnea is increasingly being diagnosed, and its cardiopulmonary risks are being increasingly elucidated, but the risks of GI endoscopy in patients with obstructive sleep apnea is previously unstudied. Thus the article by Khiani et al related to this subject is particularly welcomed and important. Khiani et al show no significant difference in the rates of transient hypoxia between relatively high-risk and relatively low-risk groups for obstructive sleep apnea. I have 2 comments about this article. First, the authors analyze patients at relatively high risk of obstructive sleep apnea but exclude patients with diagnosed obstructive sleep apnea and 2 other significant cardiopulmonary conditions, chronic obstructive pulmonary disease and congestive heart failure. Thus, their c......
POSTED 08/31/2010 at 06:00 PM --
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Response
We greatly appreciate Dr Cappell's insights and discussion of the strengths and weaknesses of our study. Obstructive sleep apnea is a condition that deserves attention in patients undergoing endoscopy. In particular, there are an increasing number of patients with undiagnosed obstructive sleep apnea who are undergoing endoscopy. While Dr Cappell is correct in stating that the overall prevalence of diagnosed obstructive sleep apnea may be around 3% to 7%, it has been estimated that the overall prevalence of obstructive sleep apnea in the U.S. population is approximately 20% with approximately 90% of all obstructive sleep apnea being undiagnosed. This is an under-recognized disease. Because there is a lack of literature on the percentage of patients at high risk for obstructive sleep apnea w......
POSTED 08/31/2010 at 06:00 PM --
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Variation in use of surveillance colonoscopy among colorectal cancer survivors in the United States
Conclusions:
Despite guidelines, more than half of CRC survivors did not receive surveillance colonoscopy within 14 months of surgery, with substantial variation by site of care. The association of primary care visits and adjuvant chemotherapy use suggests that access to care following surgery affects cancer surveillance. (Source: BMC Health Services Research)...
POSTED 08/31/2010 at 06:00 PM --
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Bacterial aerosols during colonoscopy: something to be worried about?
Endoscopy 2010; 42: 755-756DOI: 10.1055/s-0030-1255630© Georg Thieme Verlag KG Stuttgart · New YorkArticle in Thieme eJournal:Table of contents  |  Full text (Source: Endoscopy)...
POSTED 08/29/2010 at 06:00 PM --
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Risk of proximal colonic neoplasms in asymptomatic adults older than 50 years found to have distal hyperplastic polyps on routine colorectal cancer screening.
Conclusion: Routinely recommending a colonoscopy for every patient with distal HPs found only by screening flexible sigmoidoscopy is neither justified nor necessary. Nevertheless, further investigation (ie, colonoscopy) may be warranted in the aforementioned subgroups.
PMID: 20740111 [PubMed - in process] (Source: Cancer Control)...
POSTED 08/29/2010 at 07:30 AM --
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Bowel cancer and IBD
The National Association for Colitis and Crohn's Disease (NACC) brings together people of all ages who have Crohn's Disease or Ulcerative Colitis, which includes Proctitis, their families and the health professionals involved in their care. These two illnesses are both forms of Inflammatory Bowel Disease (IBD) and they affect about 1 in 250 people in the United Kingdom. NACC provides a range of information sheets and booklets for patients and their families, to help them to manage their IBD and to live their lives as effectively as possible within the constraints of their illness. Summary: This leaflet discusses the risk of bowel cancer in IBD. It discusses risk factors, risk reduction, and colonoscopy screening Access: Available to the general public (Source: Gastroenterology and Li......
POSTED 08/28/2010 at 01:15 AM --
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Bowel cancer and IBD
The National Association for Colitis and Crohn's Disease (NACC) brings together people of all ages who have Crohn's Disease or Ulcerative Colitis, which includes Proctitis, their families and the health professionals involved in their care. These two illnesses are both forms of Inflammatory Bowel Disease (IBD) and they affect about 1 in 250 people in the United Kingdom. NACC provides a range of information sheets and booklets for patients and their families, to help them to manage their IBD and to live their lives as effectively as possible within the constraints of their illness. Summary: This leaflet discusses the risk of bowel cancer in IBD. It discusses risk factors, risk reduction, and colonoscopy screening Access: Available to the general public (Source: Gastroenterology and Li......
POSTED 08/28/2010 at 01:15 AM --
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High definition colonoscopy combined with i-Scan is superior in the detection of colorectal neoplasias compared with standard video colonoscopy: a prospective randomized controlled trial
EndoscopyDOI: 10.1055/s-0030-1255713Introduction: Colonoscopy is the accepted gold standard for the detection of colorectal cancer. The aim of the current study was to prospectively compare high definition plus (HD+) colonoscopy with i-Scan functionality (electronic staining) vs. standard video colonoscopy. The primary endpoint was the detection of patients having colon cancer or at least one adenoma.[...]© Georg Thieme Verlag KG Stuttgart · New YorkGet connected:Table of contents  |  Abstract  |  Full text (Source: Endoscopy)...
POSTED 08/28/2010 at 01:13 AM --
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Unsedated Colonoscopy Better Tolerated With Water Method
Unsedated colonoscopy is better tolerated when water is infused than when air is insufflated, according to a report in the July 8th Gastrointestinal Endoscopy online. Reuters Health Information (Source: Medscape Gastroenterology Headlines)...
POSTED 08/27/2010 at 03:35 PM --
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QuickStats: Outpatient Colonoscopy Procedure Rates, by Age Group --- National Survey of Ambulatory Surgery, United States, 1996 and 2006
(Source: CDC Morbidity and Mortality Weekly Report)...
POSTED 08/27/2010 at 12:06 AM --
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Colorectal cancer screening: The role of CT colonography.
Authors: Laghi A, Iafrate F, Rengo M, Hassan C
Computed tomography colonography (CTC) in colorectal cancer (CRC) screening has two roles: one present and the other potential. The present role is, without any further discussion, the integration into established screening programs as a replacement for barium enema in the case of incomplete colonoscopy. The potential role is the use of CTC as a first-line screening method together with Fecal Occult Blood Test, sigmoidoscopy and colonoscopy. However, despite the fact that CTC has been officially endorsed for CRC screening of average-risk individuals by different scientific societies including the American Cancer Society, the American College of Radiology, and the US Multisociety Task Force on Colorectal Cancer, other entities, such as the ......
POSTED 08/26/2010 at 06:07 PM --
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Increased colorectal cancer risk in first-degree relatives of patients with hyperplastic polyposis syndrome
Conclusions
FDRs of HPS patients have an increased risk for both CRC and HPS compared to the general population. Hence, as long as no genetic substrate has been identified, screening colonoscopies for FDRs seem justified but this needs to be prospectively evaluated. (Source: Gut)...
POSTED 08/26/2010 at 07:47 AM --
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Blood 25-Hydroxyvitamin D3 Concentrations and Incident Sporadic Colorectal Adenoma Risk: A Pooled Case-Control Study
The authors examined the association between circulating 25-hydroxyvitamin D3 (25(OH)D3), the best indicator of total vitamin D exposure, and incident, sporadic colorectal adenoma risk in a pooled analysis of primary data from 3 colonoscopy-based case-control studies conducted in Minnesota, North Carolina, and South Carolina between 1991 and 2002. The pooled study included 616 colorectal adenoma cases and 770 polyp-free controls. Multivariable logistic regression was used to estimate the association between circulating 25(OH)D3 and colorectal adenoma risk. Stratified analyses and the likelihood ratio test were used to examine effect modification by various risk factors. In the pooled analysis, higher circulating 25(OH)D3 concentrations were statistically significantly associated with decre......
POSTED 08/25/2010 at 03:20 AM --
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Extracolonic findings add value to VC screening
In a new study of more than 2,000 patients, virtual colonoscopy found nearly (more) (Source: AuntMinnie.com Headlines)...
POSTED 08/24/2010 at 02:00 AM --
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Virtual Colonoscopies Spot Problems Outside the Colon
(Ivanhoe Newswire) -- Computed tomography colonography -- CTC or virtual colonoscopy -- not only identifies colorectal cancer (CRC) but also doubles the incidence of identifying significant early lesions outside the colon, resulting in lives saved. (Source: Medical Headlines From Ivanhoe.com)...
POSTED 08/24/2010 at 12:00 AM --
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Virtual colonoscopy catches more cancers
Colonoscopy is an important tool to detect colorectal cancer. In recent years, virtual colonoscopy, which involves a CT scan of the colon instead of the invasive, optical inspection of the colon, has been shown to be as effective as traditional... (Source: OrlandoSentinel: Medical Research)...
POSTED 08/22/2010 at 06:00 PM --
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Virtual colonoscopy catches more, study finds
Now, a new study suggests that virtual colonoscopy may even be superior because it can identify cancers outside of the colon.08/22/2010 (Source: Kidney Cancer Association)...
POSTED 08/22/2010 at 08:26 AM --
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Determining scope position during colonoscopy without use of ionizing radiation or magnetic imaging: the enhanced mapping ability of the NeoGuide Endoscopy System
Conclusion Three-dimensional map images generated by the NeoGuide endoscopy system provide accurate information regarding tip position,
insertion tube position, and colonic looping.
Content Type Journal ArticleDOI 10.1007/s00464-010-1245-1Authors
Johannes Striegel, Medical Department C, Klinikum Ludwigshafen gGmbH, Bremserstrasse 79, 67063 Ludwigshafen, GermanyRalf Jakobs, Medical Department C, Klinikum Ludwigshafen gGmbH, Bremserstrasse 79, 67063 Ludwigshafen, GermanyJacques Van Dam, Division of Gastroenterology and Hepatology, Stanford University Medical Center, Stanford, CA USAUwe Weickert, Medical Department C, Klinikum Ludwigshafen gGmbH, Bremserstrasse 79, 67063 Ludwigshafen, GermanyJürgen F. Riemann, Medical Department C, Klinikum Ludwigshafen gGmbH, Bremsers......
POSTED 08/21/2010 at 12:45 AM --
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Virtual Colonoscopy Can Spot Cancers Outside Colon
Less invasive procedure raises chances of finding high-risk lesions, study finds (Source: Cancercompass News: Colorectal Cancer)...
POSTED 08/20/2010 at 07:00 PM --
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