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Impact of ethnicity in upper gastrointestinal hemorrhage.

ABSTRACT: To examine ethnicity's role in the etiology and outcome of upper gastrointestinal hemorrhage (UGIH).UGIH is a serious condition with considerable associated morbidity and mortality.We analyzed 2196 patients admitted with acute UGIH between January 2006 and February 2012. Complete clinical data were gathered prospectively and entered into our GI Bleed Registry, which captures demographic and clinical variables. Results were analyzed using the ?² analyses and the analysis of variance techniques with Tukey multiple comparisons.Among 2196 patients, 620 (28%) were black, 625 (29%) white, 881 (40%) Hispanic, and 70 (3%) were members of other ethnicities. Gastroduodenal ulcers (25%), esophageal varices (25%), and esophagitis (12%) were the most frequently identified causes of UGIH. Blacks experienced a high rate of gastroduodenal ulcers (199/620), whereas Hispanics most commonly had esophageal varices. In all ethnicities, the most common cause of bleeding in patients younger than 35 or older than 65 years was gastroduodenal ulcer disease. However, among patients aged 35 to 64 years, there were differences in the etiology of UGIH. Blacks aged 50 to 64 years frequently experienced gastroduodenal ulcers, whereas Hispanics aged 35 to 49 years typically had esophageal varices. Rebleeding rates were significantly lower in whites (5.8%) than in Hispanics (9.9%) or blacks (8.7%) (P=0.02).By examining a diverse population, we conclude that UGIH may follow trends. Hispanics were likely to have esophageal varices and higher rebleeding rates, whereas blacks were likely to have ulcers and the highest mortality. Whites were equally likely to have ulcers or varices, but a lower rate of rebleeding.

SUBMITTER: Wollenman CS

PROVIDER: S-EPMC4157370 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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Impact of ethnicity in upper gastrointestinal hemorrhage.

Wollenman Casey S CS Chason Rebecca R Reisch Joan S JS Rockey Don C DC

Journal of clinical gastroenterology 20140401 4

<h4>Goals</h4>To examine ethnicity's role in the etiology and outcome of upper gastrointestinal hemorrhage (UGIH).<h4>Background</h4>UGIH is a serious condition with considerable associated morbidity and mortality.<h4>Materials and methods</h4>We analyzed 2196 patients admitted with acute UGIH between January 2006 and February 2012. Complete clinical data were gathered prospectively and entered into our GI Bleed Registry, which captures demographic and clinical variables. Results were analyzed u ...[more]

PMID: 24275716

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Project description:Mendelian randomization method is a powerful tool in epidemiological research. The core idea is to use genetic variation as a tool to assess the causal relationship between risk factors and specific diseases. Confounding factors are important interference factors for causal inference in epidemiological studies, and genetic variation in Mendelian randomization studies follows the principle of random distribution of alleles to offspring, which is similar to randomized controlled trials. Mendel 's randomization method can effectively avoid the confounding factors, reverse causality in observational studies and the representativeness and feasibility of randomized controlled trials. Previous observational studies have reported a relationship between negative emotions and upper gastrointestinal disease. However, whether this relationship is causal remains unclear. We aimed to evaluate the causal relationship between negative emotions and upper gastrointestinal diseases using two-sample Mendelian randomization (MR). Three sets of genetic instruments from the database were obtained for analysis, including 12 anxiety-related single nucleotide polymorphisms (SNPs), 46 depression-related SNPs, and 58 nervous-related SNPs. SNPs were filtered using the Phenoscanner website, and the inverse variance weighted method, weighted median method, MR-Egger regression, MR pleiotropy residual sum, and outlier test were used for analysis. In inverse variance weighted analysis, anxiety and depression had an effect on gastroduodenal ulcer (p = 2.849×10-3, β = 4.908, 95% CI = 1.684-8.132; and p = 6.457×10-4, β = 1.767, 95% CI = 0.752-2.782, respectively). Additionally, depression had an effect on diseases of the esophagus, stomach, and duodenum (p = 3.498×10-5, β = 0.926, 95% CI = 0.487-1.364). Cochran's Q-derived p-values were 0.457, 0.603, and 0.643, and MR-Egger intercept-derived p-values were 0.697, 0.294, and 0.362, respectively. Here, we show that anxiety and depression have a causal relationship with gastroduodenal ulcers, and depression has a causal relationship with diseases of the esophagus, stomach, and duodenum.

Project description:BackgroundUpper gastrointestinal (GI) bleeding is one of the most common, high risk emergency disorders in the western world. Almost nothing has been reported on longer term prognosis following upper GI bleeding. The aim of this study was to establish mortality up to three years following hospital admission with upper GI bleeding and its relationship with aetiology, co-morbidities and socio-demographic factors.MethodsSystematic record linkage of hospital inpatient and mortality data for 14 212 people in Wales, UK, hospitalised with upper GI bleeding between 1999 and 2004 with three year follow-up to 2007. The main outcome measures were mortality rates, standardised mortality ratios (SMRs) and relative survival.ResultsMortality at three years was 36.7% overall, based on 5215 fatalities. It was highest for upper GI malignancy (95% died within three years) and varices (52%). Compared with the general population, mortality was increased 27-fold during the first month after admission. It fell to 4.3 by month four, but remained significantly elevated during every month throughout the three years following admission. The most important independent prognostic predictors of mortality at three years were older age (mortality increased 53 fold for people aged 85 years and over compared with those under 40 years); oesophageal and gastric/duodenal malignancy (48 and 32 respectively) and gastric varices aetiologies (2.8) when compared with other bleeds; non-upper GI malignancy, liver disease and renal failure co-morbidities (15, 7.9 and 3.9); social deprivation (29% increase for quintile V vs I); incident bleeds as an inpatient (31% vs admitted with bleeding) and male patients (25% vs female).ConclusionOur study shows a high late as well as early mortality for upper GI bleeding, with very poor longer term prognosis following bleeding due to malignancies and varices. Aetiologies with the worst prognosis were often associated with high levels of social deprivation.

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Impact of ethnicity in upper gastrointestinal hemorrhage.

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Impact of ethnicity in upper gastrointestinal hemorrhage.

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