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| 1 | Management of rectal varices in portal hypertension显示文摘Rectal varices are portosystemic collaterals that form as a complication of portal hypertension, their prevalence has been reported as high as 94% in patients withextrahepatic portal vein obstruction. The diagnosis is typically based on lower endoscopy(colonoscopy or sigmoidoscopy). However, endoscopic ultrasonography has been shown to be superior to endoscopy in diagnosing rectal varices. Color Doppler ultrasonography is a better method because it allows the calculation of the velocity of blood flow in the varices and can be used to predict the bleeding risk in the varices. Although rare, bleeding from rectal varices can be life threatening. The management of patients with rectal variceal bleeding is not well established. It is important to ensure hemodynamic stability with blood transfusion and to correct any coagulopathy prior to treating the bleeding varices. Endoscopic injection sclerotherapy has been reported to be more effective in the management of active bleeding from rectal varices with less rebleeding rate as compared to endoscopic band ligation. Transjugular intrahepatic portsystemic shunt alone or in combination with embolization is another method used successfully in control of bleeding. Balloon-occluded retrograde transvenous obliteration is an emerging procedure for management of gastric varices that has also been successfully used to treat bleeding rectal varices. Surgical procedures including suture ligation and porto-caval shunts are considered when other methods have failed. | Kawtar Al Khalloufi Adeyinka O Laiyemo | 2015 | World Journal of Hepatology2015，7，30： | 3 |
| 2 | Ongoing colorectal cancer risk despite surveillance colonoscopy: the Polyp Prevention Trial Continued Follow-up Study显示文摘 | Keith Leung Paul Pinsky Adeyinka O. Laiyemo Elaine Lanza Arthur Schatzkin Robert E. Schoen | 2010 | Gastrointestinal Endoscopy2010，，1： | 2 |
| 3 | Colorectal cancer disparities: Issues, controversies and solutions显示文摘Colorectal cancer(CRC)is the second leading cause of cancer related deaths in the United States.There are significant differences in CRC incidence and mortality by race with the highest burden occurring among blacks.The underlying factors contributing to CRC disparities are multiple and complex.Studies have suggested that a higher prevalence of putative risk factors for CRC,limited access to healthcare services,lower utilization of healthcare resources and increased biological susceptibilities contribute to this disparity by race.This article reviews the factors associated with the disproportionally higher burden of CRC among blacks;addresses the controversies regarding the age to begin CRC screening and the screening modality to use for blacks;and proffers solutions to eliminate CRC disparity by race. | Venkata S Tammana Adeyinka O Laiyemo | 2014 | World Journal of Gastroenterology2014，20，4： | 2 |
| 4 | Atrophic gastritis and the risk of incident colorectal cancer显示文摘 | Adeyinka O. Laiyemo Farin Kamangar Pamela M. Marcus Philip R. Taylor Jarmo Virtamo Demetrius Albanes Rachael Z. Stolzenberg-Solomon | 2009 | Cancer Causes & Control2009，，1： | 1 |
| 5 | Can optical diagnosis of small colon polyps be accurate? Comparing standard scope without narrow banding to high definition scope with narrow banding显示文摘AIM: To study the accuracy of using high definition(HD) scope with narrow band imaging(NBI) vs standard white light colonoscope without NBI(ST), to predict the histology of the colon polyps, particularly those < 1 cm.METHODS: A total of 147 African Americans patients who were referred to Howard University Hospital for screening or, diagnostic or follow up colonoscopy, during a 12-mo period in 2012 were prospectively recruited. Some patients had multiple polyps and total number of polyps was 179. Their colonoscopies were performed by 3 experienced endoscopists who determined the size and stated whether the polyps being removed were hyperplastic or adenomatous polyps using standard colonoscopes or high definition colonoscopes with NBI. The histopathologic diagnosis was reported by pathologists as part of routine care. RESULTS: Of participants in the study, 55(37%) were male and median(interquartile range) of age was 56(19-80). Demographic, clinical characteristics, past medical history of patients, and the data obtained by two instruments were not significantly different and two methods detected similar number of polyps. In ST scope 89% of polyps were < 1 cm vs 87% in HD scope(P = 0.7). The ST scope had a positive predictive value(PPV) and positive likelihood ratio(PLR) of 86% and 4.0 for adenoma compared to 74% and 2.6 for HD scope. There was a trend of higher sensitivity for HD scope(68%) compare to ST scope(53%) with almost the same specificity. The ST scope had a PPV and PLR of 38% and 1.8 for hyperplastic polyp(HPP) compared to 42% and 2.2 for HD scope. The sensitivity and specificity of two instruments for HPP diagnosis were similar.CONCLUSION: Our results indicated that HD scope was more sensitive in diagnosis of adenoma than ST scope. Clinical diagnosis of HPP with either scope is less accurate compared to adenoma. Colonoscopy diagnosis is not yet fully matched with pathologic diagnosis of colon polyp. However with the advancement of both imaging and training, it may be possible to increase the sensitivity and specificity of the scopes and hence save money for eliminating time and the cost of Immunohistochemistry/pathology. | Hassan Ashktorab Firoozeh Etaati Farahnaz Rezaeean Mehdi Nouraie Mansour Paydar Hassan Hassanzadeh Namin Andrew Sanderson Rehana Begum Kawtar Alkhalloufi Hassan Brim Adeyinka O Laiyemo | 2016 | World Journal of Gastroenterology2016，22，28： | 1 |
| 6 | BMI and the risk of colorectal adenoma in African‐Americans显示文摘 | Hassan Ashktorab Mansour Paydar Shahla Yazdi Hassan Hassanzadeh Namin Andrew Sanderson Rehana Begum Mohammad Semati Firoozeh Etaati Edward Lee Hassan Brim Anteneh Zenebe Gail Nunlee‐Bland Adeyinka O. Laiyemo Mehdi Nouraie | 2014 | Obesity2014，，5： | 1 |
| 7 | In Search of a Perfect Solution to Ensure that “No Colon Is Left Behind”显示文摘 | Adeyinka O. Laiyemo | 2012 | Digestive Diseases and Sciences2012，，2： | 1 |
| 8 | Beverage intake preference and bowel preparation laxative taste preference for colonoscopy显示文摘AIM: To examine whether non-alcoholic beverage intake preferences can guide polyethylene glycol(PEG)-based bowel laxative preparation selection for patients.METHODS: We conducted eight public taste test sessions using commercially procured(A) unflavored PEG,(B) citrus flavored PEG and(C) PEG with ascorbate(Moviprep). We collected characteristics of volunteers including their beverage intake preferences. The volunteers tasted the laxatives in randomly assigned orders and ranked the laxatives as 1st, 2nd, and 3rd based on their taste preferences. Our primary outcome is the number of 1st place rankings for each preparation. RESULTS: A total of 777 volunteers completed the study. Unflavored PEG was ranked as 1st by 70(9.0%), flavored PEG by 534(68.7%) and PEG with ascorbate by173(22.3%) volunteers. Demographic, lifestyle characteristics and beverage intake patterns for coffee, tea, and carbonated drinks did not predict PEG-based laxative preference.CONCLUSION: Beverage intake pattern was not a useful guide for PEG-based laxative preference. It is important to develop more tolerable and affordable bowel preparation laxatives for colonoscopy. Also, patients should taste their PEG solution with and without flavoring before flavoring the entire gallon as this may give them more opportunity to pick a pattern that may be more tolerable. | Adeyinka O Laiyemo Clinton Burnside Maryam A Laiyemo John Kwagyan Carla D Williams Kolapo A Idowu Hassan Ashktorab Angesom Kibreab Victor F Scott Andrew K Sanderson | 2015 | World Journal of Gastrointestinal Pharmacology and Therapeutics2015，6，3： | 0 |
| 9 | Prevalence and features of colorectal lesions among Hispanics: A hospital-based study显示文摘AIM: To evaluate the prevalence and characteristics of colorectal adenoma and carcinoma in an inner city Hispanic population.METHODS: We reviewed the reports of 1628 Hispanic patients who underwent colonoscopy at Howard University from 2000 to 2010. Advanced adenoma was defined as adenoma ≥ 1 cm in size,adenomas with villous histology,high grade dysplasia and/or invasive cancer. Statistical analysis was performed using χ2 statistics and t-test.RESULTS: The median age of the patients was 54 years,64.2% were females. Polyps were observed in 489(30.0%) of patients. Adenoma prevalence was 16.8%(n = 273),advanced adenoma 2.4%(n = 39),and colorectal cancer 0.4%(n = 7). Hyperplastic polyps were seen in 6.6% of the cohort(n = 107). Adenomas predominantly exhibited a proximal colonic distribution(53.7%,n = 144); while hyperplastic polyps were mostly located in the distal colon(70%,n = 75). Among 11.7%(n = 191) patients who underwent screening colonoscopy,the prevalence of colorectal lesions was 21.4% adenoma,2.6% advanced adenoma; and 8.3% hyperplastic polyps.CONCLUSION: Our data showed low colorectal cancer prevalence among Hispanics in the Washington DC area. However,the pre-neoplastic pattern of colonic lesions in Hispanics likely points toward a shift in this population that needs to be monitored closely through large epidemiological studies. | Hassan Ashktorab Adeyinka O Laiyemo Edward Lee Marcia Cruz-Correa Amita Ghuman Mehdi Nouraie Hassan Brim | 2015 | World Journal of Gastroenterology2015，21，46： | 0 |
| 10 | COVID-19 among African Americans and Hispanics:Does gastrointestinal symptoms impact the outcome?显示文摘BACKGROUND The coronavirus disease 2019(COVID-19)disproportionately affected African Americans(AA)and Hispanics(HSP).AIM To analyze the significant effectors of outcome in African American patient population and make special emphasis on gastrointestinal(GI)symptoms,laboratory values and comorbidities METHODS We retrospectively evaluated the medical records of 386 COVID-19 positive patients admitted at Howard University Hospital between March and May 2020.We assessed the symptoms,including the GI manifestations,comorbidities,and mortality,using logistic regression analysis.RESULTS Of these 386 COVID-19 positive patients,257(63.7%)were AAs,102(25.3%)HSP,and 26(6.45%)Whites.There were 257(63.7%)AA,102(25.3%)HSP,26(6.45%)Whites.The mean age was 55.6 years(SD=18.5).However,the mean age of HSP was the lowest(43.7 years vs 61.2 for Whites vs 60 for AAs).The mortality rate was highest among the AAs(20.6%)and lowest among HSP(6.9%).Patients with shortness of breath(SOB)(OR2=3.64,CI=1.73-7.65)and elevated AST(OR2=8.01,CI=3.79-16.9)elevated Procalcitonin(OR2=8.27,CI=3.95-17.3),AST(OR2=8.01,CI=3.79-16.9),ferritin(OR2=2.69,CI=1.24-5.82),and Lymphopenia(OR2=2.77,CI=1.41-5.45)had a high mortality rate.Cough and fever were common but unrelated to the outcome.Hypertension and diabetes mellitus were the most common comorbidities.Glucocorticoid treatment was associated with higher mortality(OR2=5.40,CI=2.72-10.7).Diarrhea was prevalent(18.8%),and GI symptoms did not affect the outcome.CONCLUSION African Americans in our study had the highest mortality as they consisted of an older population and comorbidities.Age is the most important factor along with SOB in determining the mortality rate.Overall,elevated liver enzymes,ferritin,procalcitonin and C-reactive protein were associated with poor prognosis.GI symptoms did not affect the outcome.Glucocorticoids should be used judiciously,considering the poor outcomes associated with it.Attention should also be paid to monitor liver function during COVID-19,especially in AA and HSP patients with higher disease severity. | Hassan Ashktorab Adeleye Folake Antonio Pizuorno Gholamreza Oskrochi Philip Oppong-Twene NuriTamanna Maryam Mehdipour Dalivand Lisa N Umeh Esther S Moon Abdoul Madjid Kone Abigail Banson Cassandra Federman Edward Ramos Eyitope Ola Awoyemi Boubini Jones Wonni Eric Otto Guttu Maskalo Alexandra Ogando Velez Sheldon Rankine Camelita Thrift Chiamaka Ekwunazu Derek Scholes LakshmiGayathri Chirumamilla Mohd Elmugtaba Ibrahim Brianna Mitchell Jillian Ross Julencia Curtis Rachel Kim Chandler Gilliard Joseph Mathew Adeyinka Laiyemo Angesum Kibreab Edward Lee Zaki Sherif Babak Shokrani Farshad Aduli Hassan Brim | 2021 | World Journal of Clinical Cases2021，9，28： | 0 |
| 11 | Race and colorectal cancer screening compliance among persons with a family history of cancer显示文摘AIM: To determine compliance to colorectal cancer(CRC) screening guidelines among persons with a family history of any type of cancer and investigate racial differences in screening compliance.METHODS: We used the 2007 Health Information National Trends Survey and identified 1094(27.4%)respondents(weighted population size = 21959672) without a family history of cancer and 3138(72.6%) respondents(weighted population size = 58201479) with a family history of cancer who were 50 years and older. We defined compliance with CRC screening as the use of fecal occult blood testing within 1 year, sigmoidoscopy within 5 years, or colonoscopy within 10 years. We compared compliance with CRC screening among those with and without a family member with a history of cancer. RESULTS: Overall, those with a family member with cancer were more likely to be compliant with CRC screening(64.9% vs 55.1%; OR = 1.45; 95%CI: 1.20-1.74). The absolute increase in screening rates associated with family history of cancer was 8.2% among whites. Hispanics had lowest screening rates among those without family history of cancer 41.9% but had highest absolute increase(14.7%) in CRC screening rate when they have a family member with cancer. Blacks had the lowest absolute increase in CRC screening(5.3%) when a family member has a known history of cancer. However, the noted increase in screening rates among blacks and Hispanics when they have a family member with cancer were not higher than whites without a family history of cancer:(54.5% vs 58.7%; OR = 1.16; 95%CI: 0.72-1.88) for blacks and(56.7% vs 58.7%; OR = 1.25; 95%CI: 0.72-2.18) for Hispanics.CONCLUSION: While adults with a family history of any cancer were more likely to be compliant with CRC screening guidelines irrespective of race/ethnicity, blacks and Hispanics with a family history of cancer were less likely to be compliant than whites without a family history. Increased burden from CRC among blacks may be related to poor uptake of screening among high-risk groups. | Adeyinka O Laiyemo Nicole Thompson Carla D Williams Kolapo A Idowu Kathy Bull-Henry Zaki A Sherif Edward L Lee Hassan Brim Hassan Ashktorab Elizabeth A Platz Duane T Smoot | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，18： | 0 |
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