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| 1 | Platelet count/spleen diameter ratio to predict esophageal varices in Mexican patients with hepatic cirrhosis显示文摘AIM:To validate whether the platelet count/spleen size ratio can be used to predict the presence of esophageal varices in Mexican patients with hepatic cirrhosis.METHODS:This was an analytical cross-sectional study to validate the diagnostic test for hepatic cirrhosis and was performed between February 2010 and December 2011.Patients with a diagnosis of hepatic cirrhosis were included and stratified using their ChildPugh score.Biochemical parameters were evaluated,and ultrasound was used to measure the longest diameter of the spleen.The platelet count/spleen diameter ratio was calculated and analyzed to determine whether it can predict the presence of esophageal varices.Upper gastrointestinal endoscopy was used as the gold standard.Sensitivity and specificity,positive and negative predictive values,and positive and negative likelihood ratios were determined,with the cutoff points determined by receiver-operating characteristic curves.RESULTS:A total of 91 patients were included.The mean age was 53.75±12 years;50(54.9%)were men,and 41(45.0%)women.The etiology of cirrhosis included alcohol in 48(52.7%),virally induced in24(26.3%),alcoholism plus hepatitis C virus in three(3.2%),cryptogenic in nine(9.8%),and primary biliary cirrhosis in seven(7.6%).Esophageal varices were present in 73(80.2%)patients.Child-Pugh classification,17(18.6%)patients were classified as class A,37(40.6%)as class B,and 37(40.6%)as class C.The platelet count/spleen diameter ratio to detect esophageal varices independent of the grade showed using a cutoff value of≤884.3,had 84%sensitivity,70%specificity,and positive and negative predictive values of 94%and 40%,respectively.CONCLUSION:Our results suggest that the platelet count/spleen diameter ratio may be a useful tool for detecting esophageal varices in patients with hepatic cirrhosis. | Alejandro González-Ojeda Gabino Cervantes-Guevara Manuela Chávez-Sánchez Carlos Dávalos-Cobián Susana Ornelas-Cázares Michel Dassaejv Macías-Amezcua Mariana Chávez-Tostado Kenia Militzi Ramírez-Campos Anaís del Rocío Ramírez-Arce Clotilde Fuentes-Orozco | 2014 | World Journal of Gastroenterology2014，20，8： | 18 |
| 2 | Gallstone ileus:One-stage surgery in a patient with intermittent obstruction显示文摘Gallstone ileus, an uncommon complication of cholelithiasis, is described as a mechanical intestinal obstruction due to impaction of one or more large gallstones within the gastrointestinal tract. The clinical presentation is variable, depending on the site of obstruction, manifested as acute, intermittent or chronic episodes. A 51-year-old female patient was referred to our hospital with 3 events of intestinal obstruction during the previous 7 d. At admission, there were clinical signs of intestinal obstruction; abdominal film demonstrated dilated bowel loops, air-fluid levels and a vague image of a stone in the inferior left quadrant. Once stabilized, a laparotomy was performed. Surgical findings were distention of the jejunum and ileum proximal to a palpable stone in the ileum as well as gallstones and a cholecystoduodenal fistula in the gallbladder. An enterolithotomy, repair of the cholecystoduodenal fistula and cholecystectomy were performed. The postoperative course was uneventful. There is no uniform surgical procedure for this disease. When the patient is too ill or when biliary surgery is not advisable, an enterolithotomy is the best option. The one-stage procedure should be the offered to adequately stabilized patients when local and general conditions, such as good cardiorespiratory and metabolic reserve permit a more prolonged surgical procedure. | Carlos M Nuo-Guzmán José Arróniz-Jáuregui Pável A Moreno-Pérez édgar A Chávez-Solís Nereida Esparza-Arias Cuauhtémoc I Hernández-González | 2010 | World Journal of Gastrointestinal Surgery2010，2，5： | 5 |
| 3 | Enforcing Emissions Trading when Emissions Permits are Bankable显示文摘 | John K. Stranlund Christopher Costello Carlos A. Chávez | 2005 | Journal of Regulatory Economics2005，，2： | 2 |
| 4 | Role of BNP lev- els on the prognosis of decompensated advanced heart failure显示文摘 | Pereira-Barretto AC Carlo CH Cardoso JN | 2013 | Arq Bras Cardiol2013，100，3： | 1 |
| 5 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH O′Connor CM | | 0，，： | 1 |
| 6 | Cardiac troponin T for risk stratification in decompensated chronic hearn failure 显示文摘 | del Carlo CH Pereira-Barretto AC Cassaro-Strunz CM el al | 2009 | Arq Bras Cardiol2009，92，5： | 1 |
| 7 | Cardiac troponins in conges- tive heart failure显示文摘 | Del Carlo CH O'Connor CM | 1999 | Am Heart J1999，138，41： | 1 |
| 8 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH O Connor CM | 1999 | Am Heart J1999，138，41： | 1 |
| 9 | Accuracy of quantitative ultrasound elastography for differentiation of malignant and benign breast abnormalities: a meta-analysis 显示文摘 | Sadigh G Carlos RC Neal CH | 2012 | Breast Cancer Res Treat2012，134，3： | 1 |
| 10 | Cardiac troponins in congestive heart failure显示文摘 | O'Connor CM | 1999 | Am Heart J1999，138，4： | 1 |
| 11 | The choice of policy instruments to control pollution under costly enforcement and incomplete information显示文摘 | Carlos A. Chávez Mauricio G. Villena John K. Stranlund | 2009 | Journal of Applied Economics2009，，2： | 1 |
| 12 | The optimal pricing of pollution when enforcement is costly显示文摘 | John K. Stranlund Carlos A. Chávez Mauricio G. Villena | 2009 | Journal of Environmental Economics and Management2009，，2： | 1 |
| 13 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH Connor CM | | 0，，41： | 1 |
| 14 | Role of BNP levels on the prognosis of decompensated advanced heart failure显示文摘 | Pereira-Barretto AC Carlo CH Cardoso JN | 2013 | Arq Bras Cardiol2013，100，3： | 1 |
| 15 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH OConnor CM | 1999 | Am Heart J1999，138，41： | 1 |
| 16 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH | 1999 | Am Heart J1999，138，4： | 1 |
| 17 | Role of BNP levels on the prognosis of decompensated advanced heart failure显示文摘 | Pereira-Barretto AC Carlo CH Cardoso JN | 2013 | Arq Bras Cardiol2013，100，3： | 1 |
| 18 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH O'Connor CM | 1999 | Am Heart J1999，138，41： | 1 |
| 19 | Cardiac troponins in congestive heart failure显示文摘 | Del Carlo CH o'connor CM | 1999 | Am heart1999，138，： | 1 |
| 20 | Role of BNP levels on the prognosis of decompensated advanced heart failure显示文摘 | Pereira-Barretto AC Carlo CH Cardoso JN | 2013 | Arq Bras Cardiol2013，100，3： | 1 |
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