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| 1 | Early vs late endoscopic retrograde cholangiopancreatography in patients with acute cholangitis: A nationwide analysis显示文摘AIM To assess the effect of early vs late endoscopic retrograde cholangiopancreatography(ERCP) on mortality and readmissions in acute cholangitis, using a nationally representative sample.METHODS We used the 2014 National Readmissions Database to identify adult patients hospitalized with acute cholangitis who underwent therapeutic ERCP within one week of admission. Early ERCP was defined as ERCP performed on the same day of admission or the next day(days 0 or 1, < 48 h), and late ERCP was performed on days 2 to 7 of admission. Patients with severe cholangitis had any of the following additional diagnoses: Severe sepsis, septic shock, acute renal failure,acute respiratory failure, or thrombocytopenia. Multivariate logistic regression was used to calculate the adjusted odds of association of ERCP timing with inhospital mortality, 30-d mortality, and 30-d readmissions, controlling for age, sex,severe disease and comorbidities.RESULTS Four thousand five hundred and seventy patients satisfied the inclusion criteria;with a mean age of 64.1 years. Of these, 66.6% had early ERCP, while 33.4% had late ERCP. Early ERCP was associated with lower in-hospital mortality [1.2% vs2.4%, adjusted odds ratio(aOR) = 0.50, 95%CI: 0.76-0.83, P = 0.001] and lower 30-d mortality(1.5% vs 3.3%, aOR = 0.48, 95%CI: 0.33-0.69, P < 0.0001) compared to the late ERCP group. Similarly, early ERCP was associated with lower 30-d readmissions(9.7% vs 15.1%, aOR = 0.58, 95%CI: 0.49-0.7, P < 0.0001). When stratified by severity of cholangitis, there was a similar benefit of early ERCP on all outcomes in those with and without severe cholangitis. The mean length of stay was higher in the late ERCP group compared to the early ERCP group(6.9 d vs 4.5 d, P < 0.0001). The mean hospitalization cost was higher in the late ERCP group($21459 vs $16939, P < 0.0001).CONCLUSION Early ERCP is associated with lower in-hospital and 30-d mortality in those with or without severe cholangitis. Regardless of severity, we suggest performing early ERCP. | Ramzi Mulki Rushikesh Shah Emad Qayed | 2019 | World Journal of Gastrointestinal Endoscopy2019，11，1： | 8 |
| 2 | Esophagogastric junction outflow obstruction: Where are we now in diagnosis and management?显示文摘Esophagogastric junction outflow obstruction(EGJOO) is a major motility disorder based on the Chicago Classification of esophageal motility disorders.This entity involves a heterogenous group of underlying etiologies. The diagnosis is reached by performing high-resolution manometry. This reveals evidence of obstruction at the esophagogastric junction, manifested by an elevated integrated relaxation pressure(IRP) above a cutoff value(IRP threshold varies by the manometric technology and catheter used), with preserved peristalsis. Further tests like endoscopy, timed barium esophagram, and cross-sectional imaging can help further elucidate the underlying etiology and rule out mechanical causes.Treatment is tailored to the underlying cause. Similar to achalasia, treatment targeting lower esophageal sphincter disruption like pneumatic dilation, peroral endoscopic myotomy, and botulinum injection are used in patients with functional EGJOO and persistent symptoms. | Salih Samo Emad Qayed | 2019 | World Journal of Gastroenterology2019，25，4： | 2 |
| 3 | Advances in endoscopic retrograde cholangiopancreatography cannulation显示文摘Endoscopic retrograde cholangiopancreatography is an important tool in the diagnosis and treatment of pancreatobiliary diseases.A critical step in this procedure is deep cannulation of the bile duct as failure of cannulation generally results in an aborted procedure and failed intervention.Expert endoscopists usually achieve a high rate of successful cannulation while those less experienced typically have a much lower rate and a greater incidence of complications.Prolonged attempts at cannulation can result in significant morbidity to patients,anxiety for endoscopists,unnecessary radiation exposure and inefficient patient care.Here we review the most common endoscopic techniques used to achieve selective biliary cannulation.Pharmacologic aids to cannulation are also discussed briefly in this review. | Emad Qayed Ashley L Reid Field F Willingham Steve Keilin | 2010 | World Journal of Gastrointestinal Endoscopy2010，2，4： | 1 |
| 4 | Distal esophageal spasm:Update on diagnosis and management in the era of high-resolution manometry显示文摘Distal esophageal spasm(DES)is a rare major motility disorder in the Chicago classification of esophageal motility disorders(CC).DES is diagnosed by finding of≥20%premature contractions,with normal lower esophageal sphincter(LES)relaxation on high-resolution manometry(HRM)in the latest version of CCv3.0.This feature differentiates it from achalasia type 3,which has an elevated LES relaxation pressure.Like other spastic esophageal disorders,DES has been linked to conditions such as gastroesophageal reflux disease,psychiatric conditions,and narcotic use.In addition to HRM,ancillary tests such as endoscopy and barium esophagram can provide supplemental information to differentiate DES from other conditions.Functional lumen imaging probe(FLIP),a new cutting-edge diagnostic tool,is able to recognize abnormal LES dysfunction that can be missed by HRM and can further guide LES targeted treatment when esophagogastric junction outflow obstruction is diagnosed on FLIP.Medical treatment in DES mostly targets symptomatic relief and often fails.Botulinum toxin injection during endoscopy may provide a temporary therapy that wears off over time.Myotomy through peroral endoscopic myotomy or via surgical Heller myotomy can provide long term relief in cases with persistent symptoms. | Harika Gorti Salih Samo Nikrad Shahnavaz Emad Qayed | 2020 | World Journal of Clinical Cases2020，8，6： | 1 |
| 5 | Colonoscopy procedural volume increases adenoma and polyp detection rates in gastroenterology trainees显示文摘AIM To investigate changes in polyp detection throughout fellowship training, and estimate colonoscopy volume required to achieve the adenoma detection rate(ADRs) and polyp detection rate(PDRs) of attending gastroenterologists.METHODS We reviewed colonoscopies from July 1, 2009 to June 30, 2014. Fellows' procedural logs were used to retrieve colonoscopy procedural volumes, and these were treated as the time variable. Findings from screening colonoscopies were used to calculate colonoscopy outcomes for each fellow for the prior 50 colonoscopies at each time point. ADR and PDR were plotted against colonoscopy procedural volumes to produce individual longitudinal graphs. Repeated measures linear mixed effects models were used to study the change of ADR and PDR with increasing procedural volume.RESULTS During the study period, 12 fellows completed full three years of training and were included in the analysis. The average ADR and PDR were, respectively, 31.5% and 41.9% for all fellows, and 28.9% and 38.2% for attendings alone. There was a statistically significant increase in ADR with increasing procedural volume(1.8%/100 colonoscopies, P = 0.002). Similarly, PDR increased 2.8%/100 colonoscopies(P = 0.0001), while there was no significant change in advanced ADR(0.04%/100 colonoscopies, P = 0.92). The ADR increase was limited to the right side of the colon, while the PDR increased in both the right and left colon. The adenoma per colon and polyp per colon also increased throughout training. Fellows reached the attendings' ADR and PDR after 265 and 292 colonoscopies, respectively.CONCLUSION We found that the ADR and PDR increase with increasing colonoscopy volume throughout fellowship. Our findings support recent recommendations of ≥ 275 colonoscopies for colonoscopy credentialing. | Emad Qayed Ravi Vora Sara Levy Roberd M Bostick | 2017 | World Journal of Gastrointestinal Endoscopy2017，9，11： | 1 |
| 6 | Frequency of hospital readmission and care fragmentation in gastroparesis:A nationwide analysis显示文摘AIM To evaluate rates and predictors of hospital readmission and care fragmentation in patients hospitalized with gastroparesis.METHODS We identified all adult hospitalizations with a primary diagnosis of gastroparesis in the 2010-2014 National Readmissions Database,which captures statewide readmissions.We excluded patients who died during the hospitalization,and calculated 30 and 90-d unplanned readmission and care fragmentation rates.Readmission to a non-index hospital(i.e.,different from the hospital of the index admission) was considered as care fragmentation.A multivariate Cox regression model was used to analyze predictors of 30-d readmissions.Logistic regression was used to determine hospital and patient factors independently associated with 30-d care fragmentation.Patients readmitted within 30 d were followed for 60 d post discharge from the first readmission.Mortality during the first readmission,hospitalization cost,length of stay,and rates of 60-d readmission were compared between those with and without care fragmentation.RESULTS There were 30064 admissions with a primary diagnosis of gastroparesis.The rates of 30 and 90-d readmissions were 26.8% and 45.6%,respectively.Younger age,male patient,diabetes,parenteral nutrition,≥ 4 Elixhauser comorbidities,longer hospital stay(> 5 d),large and metropolitan hospital,and Medicaid insurance were associated with increased hazards of 30-d readmissions.Gastric surgery,routine discharge and private insurance were associated with lower 30-d readmissions.The rates of 30 and 90-d care fragmentation were 28.1% and 33.8%,respectively.Younger age,longer hospital stay(> 5 d),self-pay or Medicaid insurance were associated with increased risk of 30-d care fragmentation.Diabetes,enteral tube placement,parenteral nutrition,large metropolitan hospital,and routine discharge were associated with decreased risk of 30-d fragmentation.Patients who were readmitted to a non-index hospital had longer length of stay(6.5 vs 5.8 d,P = 0.03),and higher mean hospitalization cost($15645 vs $12311,P < 0.0001),compared to those readmitted to the index hospital.There were no differences in mortality(1.0% vs 1.3%,P = 0.84),and 60-d readmission rate(55.3% vs 54.6%,P = 0.99) between the two groups.CONCLUSION Several factors are associated with the high 30-d readmission and care fragmentation in gastroparesis.Knowledge of these predictors can play a role in implementing effective preventive interventions to highrisk patients. | Emad Qayed Mayssan Muftah | 2018 | World Journal of Gastrointestinal Endoscopy2018，10，9： | 1 |
| 7 | Association of trainee participation with adenoma and polyp detection rates显示文摘AIM To investigate whether adenoma and polyp detection rates(ADR and PDR, respectively) in screening colonoscopies performed in the presence of fellows differ from those performed by attending physicians alone. METHODS We performed a retrospective review of all patients who underwent a screening colonoscopy at Grady Memorial Hospital between July 1, 2009 and June 30, 2015. Patients with a history of colon polyps or cancer and those with poor colon preparation or failed cecal intubation were excluded from the analysis. Associations of fellowship training level with the ADR and PDR relative to attendings alone were assessed using unconditional multivariable logistic regression. Models were adjusted for sex, age, race, and colon preparationquality. RESULTS A total of 7503 colonoscopies met the inclusion criteria and were included in the analysis. The mean age of the study patients was 58.2 years; 63.1% were women and 88.2% were African American. The ADR was higher in the fellow participation group overall compared to that in the attending group: 34.5% vs 30.7%(P = 0.001), and for third year fellows it was 35.4% vs 30.7%(a OR = 1.23, 95%CI: 1.09-1.39). The higher ADR in the fellow participation group was evident for both the right and left side of the colon. For the PDR the corresponding figures were 44.5% vs 40.1%(P = 0.0003) and 45.7% vs 40.1%(a OR = 1.25, 95%CI: 1.12-1.41). The ADR and PDR increased with increasing fellow training level(P for trend < 0.05).CONCLUSION There is a stepwise increase in ADR and PDR across the years of gastroenterology training. Fellow participation is associated with higher adenoma and polyp detection. | Emad Qayed Lauren Shea Stephan Goebel Roberd M Bostick | 2017 | World Journal of Gastrointestinal Endoscopy2017，9，5： | 0 |
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