Digestive Disease Week, May 21-24

Digestive Disease Week, May 21-24


Digestive Disease Week, the annual meeting sponsored by the American Association for the Study of Liver Diseases, American Gastroenterological Association, American Society for Gastrointestinal Endoscopy, and Society for Surgery of the Alimentary Tract, was held from May 21 to 24 in San Diego and attracted 11,000 participants from around the world, including researchers and academics in the fields of gastroenterology, hepatology, endoscopy, and gastrointestinal surgery.

In one study, Peter Lymberopoulos, of St. George’s University in True Blue, Grenada, and colleagues found that the proportion of organs from drug overdose donors has increased significantly, while the volume from all other causes of death has remained stable.

The authors used the U.S. organ donation registry to examine the characteristics of donors for all solid organ transplants — including livers — 14 months prior to and after the start of the pandemic. Transplants from drug overdose donors were identified to determine the extent of changes during the pandemic. For all solid organ transplants, the researchers found the utilization of drug overdose donors increased by 31.2 percent in the pandemic’s first 14 months compared with the prior 14 months.

“The opioid epidemic has been exacerbated by the COVID-19 pandemic, leading to increased utilization of young, otherwise healthy drug overdose donors,” Lymberopoulos said. “The transplant community has experienced continued success despite the significant challenges faced during the pandemic. Nevertheless, it might come with a great cost to the youth of our nation. Further studies are urgently needed to address this concerning trend and to guide future strategies to stop the aggravated opioid epidemic as the COVID-19 pandemic continues to evolve.”

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In another study, Yasmin Nasser, M.D., Ph.D., of the Snyder Institute for Chronic Diseases at the Cumming School of Medicine in Calgary, Alberta, Canada, and colleagues found that cannabis users require higher doses of midazolam, use of diphenhydramine, and higher total sedation during gastroscopy but not during colonoscopy.

The authors evaluated chronic cannabis use and whether use increases conscious sedation requirements in endoscopy. A multisite prospective study that included 34 total endoscopists at three different hospitals in Calgary was conducted. Patients were asked to fill out surveys about their cannabis use, reason for use, other medical problems, and use of other agents like alcohol/sedative drugs before the endoscopy. After the endoscopy, the patients were asked to fill out a short survey about their discomfort and procedural awareness. The researchers found that cannabis users required high doses of midazolam, use of diphenhydramine, and higher total sedation during gastroscopy but not during colonoscopy. In addition, cannabis use was not associated with increased awareness during the procedure, discomfort, or oversedation.

“The main impact on clinical practice is to use the findings of our study to improve the informed consent process when performing endoscopy using conscious sedation for patients who are chronic users of cannabis,” Nasser said. “Our study did not enroll enough users to detect important predictors of sedation such as cannabis type/route/duration/frequency of use/recent use as well as psychoactive medications such as mood stabilizers and antidepressants to see if these predicted sedation requirements. This should be examined by future studies.”

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Timothy Zaki, M.D., of the University of Texas Southwestern Medical Center in Dallas, and colleagues found that five-year survival among younger adults with colorectal cancer improved only for Whites compared with Blacks, Hispanics, or Asians assessed between 1992 and 2013.

The authors used data covering 30 percent of the U.S. population from the National Cancer Institute Surveillance, Epidemiology, and End Results program of cancer registries. A total of 33,777 individuals newly diagnosed with early-onset colorectal cancer between 1992 and 2013 were identified, including 58.5 percent who were White, 14.5 percent who were Hispanic, 14 percent who were Black, and 13 percent who were Asian. The researchers found that survival was lowest for Black patients and improved over time for White patients only; there was no improvement seen for for Black, Asian, or Hispanic patients. In addition, Black, Asian, and Hispanic races/ethnicities were associated with higher all-cause mortality.

“Our study adds to the well-documented disparities in colorectal cancer in older adults by demonstrating striking and persistent racial and ethnic disparities in relative survival and all-cause mortality in patients with early-onset colorectal cancer,” Zaki said. “It’s not entirely clear what factors are contributing to these disparities. However, we know that different factors contribute to disparities, and this may range from your employment, to your social support or family income, environment (for example, if you live in a rural area), education level, behavioral risk factors like tobacco use/diet/alcohol, cultural factors, and health coverage.”

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DDW: AI Outperforms Patients in Characterizing Stool Samples

TUESDAY, May 31, 2022 (HealthDay News) — A novel smartphone application can accurately determine Bristol Stool Scale and other visual stool characteristics, according to a study recently published in the American Journal of Gastroenterology and presented at the 2022 Digestive Disease Week, held from May 21 to 24 in San Diego.

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DDW: Cannabinoid Use Ups Sedation Requirements During Endoscopy

THURSDAY, May 26, 2022 (HealthDay News) — Baseline cannabinoid use is associated with higher sedation use during endoscopy with endoscopist-directed conscious sedation, according to a study presented at the 2022 Digestive Disease Week, held from May 21 to 24 in San Diego.

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DDW: Cardiovascular Disease More Common in Lean NAFLD Patients

MONDAY, May 16, 2022 (HealthDay News) — Patients with nonalcoholic fatty liver disease but a normal body mass index are more likely to have cardiovascular disease than those who are overweight or obese, according to a study presented at the 2022 Digestive Disease Week, held from May 21 to 24 in San Diego.

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DDW: ‘Alarming’ Rise in Esophageal Cancer, Barrett Esophagus Seen in Middle Age

FRIDAY, May 13, 2022 (HealthDay News) — While the prevalence of Barrett esophagus and esophageal cancer appears to have plateaued in the elderly, it is increasing at a concerning rate in middle-aged patients, according to a study presented at the 2022 Digestive Disease Week, held from May 21 to 24 in San Diego.

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DDW: Gallstone Disease May Predict Pancreatic Cancer Incidence

FRIDAY, May 13, 2022 (HealthDay News) — In the year prior to pancreatic ductal adenocarcinoma diagnosis, patients present with gallstone disease six times more often than the general population, according to a study presented at the 2022 Digestive Disease Week, held from May 21 to 24 in San Diego.

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DDW: Antibiotics Up Risk of Older-Onset Inflammatory Bowel Disease

FRIDAY, May 13, 2022 (HealthDay News) — Use of antibiotics, regardless of class, is associated with an increased risk of older-onset inflammatory bowel disease, according to a study presented at the 2022 Digestive Disease Week, held from May 21 to 24 in San Diego.

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