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In relation to the article published in this journal by Valdivielso Cortázar et al., we have recently diagnosed a massive digestive hemorrhage secondary to a Dieulafoy's lesion inside a duodenal diverticulum. This was successfully treated with endoscopy.

Introduction: The prevalence of portal vein thrombosis (PVT) in patients that have undergone liver transplantation (LT) is 9.7% (SD 4.5). The aim of our study was to determine the prevalence, assess the factors that are associated with PVT and clarify their association with prognosis in patients with liver cirrhosis (LC) and LT., Aims and Methods: From 2005 to 2014, laboratory, radiological and surgical data were collected from patients with LC in our center who had undergone LT for the first time., Results: One hundred and ninety-one patients were included. The mean age was 55 (SD 9), 75.4% of patients were male and 48.7% had HCV. The Child-Pugh scores were A/B/C 41.9%/35.9%/25.5% and the MELD score was 15 (SD 6). Previous decompensations were: ascites (61.4%), hepatic encephalopathy (34.4%), variceal bleeding (25.4%), hepatocellular carcinoma (48.9%) and spontaneous bacterial peritonitis (SPB) (14.3%). The mean post-transplant follow-up was 42 months (0-113). PVT was diagnosed at LT in 18 patients (9.4%). Six patients were previously diagnosed using imaging tests (33.3%): 2 patients (11.1%) by DU and 4 patients (22.2%) by CT scan. All patients with PVT had DU in a mean time of 6 months before LT (0-44) and 90 patients (47.1%) had a CT scan in a median time of 6 months before LT (0-45). PVT was significantly related to the presence of SBP (33.3% vs 12.6%; p = 0.02) and lower levels of albumin (3.1g/dl vs 3.4g/dl; p = 0.05). MELD was higher in patients with PVT (16.6 vs 14.9; p = 0.3). There were no significant differences with regard to the need for transfusion of blood components. Moreover, the surgery time was similar in both groups. PVT correlated with a higher mortality in the first 30 days (8.8% vs 16.7%; p = 0.2)., Conclusion: Prior history of SBP and lower levels of albumin were identified as factors associated with PVT. The pre-transplant diagnosis rate is very low and the presence of PVT may have implications for short-term mortality.

Campylobacter infection usually starts in the jejunum and ileum and progresses distally. The case fatality rate is low and most occur in elderly or patients with comorbidity as in this case. Antibiotics should be used in severe cases or patients at risk. The choices are macrolides and fluoroquinolones. However, in some countries quinolone resistance is increasing, as in Spain. We shouldn´t forget this fact for the proper treatment approach and specifically in refractory cases.

Background: Transarterial chemoembolisation (TACE), having demonstrated survival benefits, is the treatmentof choice in intermediate-stage hepatocellular carcinoma, although there is great heterogeneity in its clinical application., Material and Methods: A survey was sent to the Madrid Regional hospitals to assess applicability, indications and treatment protocols. The assessment was made overall and according to the type of hospital (groups A vs. B and C)., Results: Seventeen out of 22 hospitals responded (8/8 group A, 9/ 14 group B-C). All do/indicate transarterial chemoembolisation, 13/17 at their own facilities. Eight of the 17 hospitals have multidisciplinary groups (5/8 A, 3/9 B-C). Nine hospitals perform > 20 procedures/year (7 group A), and 6 from group B-C request/perform < 10/year. It is performed on an "on-demand" basis in 12/17. In 5 hospitals, all the procedures use drug-eluting beads loaded with doxorubicin. The average number of procedures per patient is 2. The mean time from diagnosis of hepatocellular carcinoma to transarterial chemoembolisation is ≤ 2 months in 16 hospitals. In 11/17 hospitals, response is assessed by computed tomography. Radiological response is measured without specific criteria in 12/17 and the other five hospitals (4 group A) assessed using standardised criteria., Conclusion: Uniformity among the Madrid Regional hospitals was found in the indication and treatment regimen. The use of DEB-TACE has become the preferred form of TACE in clinical practice. The differentiating factors for the more specialised hospitals are a larger volume of procedures, decision-making by multidisciplinary committees and assessment of radiological response more likely to be standardised.

Introduction and Objectives: prevalence of viral hepatitis (B and C) changes geographically. Our aim was to determinate the prevalence of hepatitis B (HBV) and hepatitis C virus (HCV) serological markers in healthy working population and to describe the epidemiological characteristics associated to its presence., Methods: blood samples and epidemiological data of 5,017 healthy workers from Murcia and Madrid were recorded prospectively., Results: a total of 5,017 healthy volunteers participated. Mean age 39 ± 11 years, men predominance (73 %). Prevalence of serological markers of HCV and HBV was 0.6 % and 0.7 %. Age of patients with HCV antibody was significantly higher (43 + or - 9 years vs. 39 + or - 11 years; p = 0.03). We observed significant differences in liver test values (alanine aminotransferase [ALT] 64 ± 56 IU/L vs. 28 ± 20 IU/L; p < 0.001; aspartate aminotransferase [AST] (51 + or - 45 IU/L vs. 23 + or - 12 IU/L; p < 0.001) and in gamma-glutamyltransferase(GGT) value (104 + or - 122 IU/L vs. 37 + or - 46 IU/L; p < 0.001. The presence of HCV antibody was related significantly to previous transfusion (13 % vs. 5 %; p = 0.03), tattoos (29 % vs. 13 %; p < 0.01), intravenous drug addiction (13 % vs. 0.2 %; p < 0.001) and coexistence with people with positive HCV antibody (16 % vs. 4 %; p < 0.001). In HBV no differences in basal characteristics were observed with exception in AST values (29 + or - 15 IU/L vs. 23 + or - 12 IU/L; p < 0.01). Hepatitis B surface antigen (HBsAg) was related significantly to previous transfusion (15 % vs. 5 %; p < 0.01), tattoos (26 % vs. 14 %; p = 0.04) and coexistence with people with positive HBsAg (17 % vs. 4 %; p < 0.001)., Conclusions: Prevalence of serological markers in healthy working population is low. Risk factors for infection were previous transfusion and tattoos. Intravenous drug addiction was only a risk factor in HCV.

Aims: The aim of this work is to investigate the accuracy of the urea breath test (UBT) performed immediately after emergency endoscopy in peptic ulcer bleeding (PUB)., Methods: Urea breath test was carried out right after emergency endoscopy in patients with PUB. The accuracy of this early UBT was compared to a delayed one after hospital discharge that was considered the gold standard. Clinical and epidemiological factors were analyzed in order to study their influence on the accuracy of the early UBT., Results: Early UBT was collected without any complication and good acceptance from all the 74 patients included. In 53 of the patients (71.6%), a delayed UBT was obtained. Comparing concordance between the two tests we have calculated an accuracy of 83% for the early UBT. Sensibility and specificity were 86.36 and 66%, respectively, with a positive predictive value of 92.68% and negative predictive value of 50% (Kappa index = 0.468; p = 0.0005; CI: 95%). We found no influence of epidemiological factors, clinical presentation, drugs, times to gastroscopy, Forrest classification, endoscopic therapy, hemoglobin, and urea levels over the accuracy of early UBT., Conclusions: Urea breath test carried out right after emergency endoscopy in PUB is an effective, safe, and easy-to-perform procedure. The accuracy of the test is not modified by clinical or epidemiological factors, ulcer stage, or by the type of therapy applied. However, we have found a low negative predictive value for early UBT, so a delayed test is mandatory for all negative cases.

Introduction: The importance of colonic polyp is increasing because colorectal cancer (CRC) screening is based on their identification. However, consensus is lacking on which technique should be used in CRC screening, whether colonoscopy or other methods such as sigmoidoscopy, which shows good sensitivity only in distal segments of the colon. We studied the characteristics and localization of polyps in our environment to verify their tendency to change localization and determine the implications of this in screening., Material and Methods: We reviewed the prevalence and characteristics of colonic polyps in 3604 patients who underwent colonoscopy for various causes in our service, as well as their distribution in 837 patients with a diagnosis of polyps who underwent complete colonoscopy. Localization proximal or distal to the splenic flexure and polyp size (less than or more than 1 cm) were analyzed., Results: Polyps were found in 28.3% of 3604 patients (11.7% showed polyps > or = 1 cm). Of the 837 patients who underwent complete colonoscopy, proximal polyps were found in 44.9% (14.6% showed polyps > or = 1 cm), while distal polyps were found in 79.9% (30.3% showed polyps > or = 1 cm). Both proximal and distal polyps were found in 24.8%. The probability of finding both proximal and distal lesions was 31%. Proximal lesions without distal lesions were found in 20% of the patients (5.6% presented polyps > or = 1 cm), and consequently sigmoidoscopy would miss 15.6% of polyps > or = 1 cm., Conclusions: A relatively high percentage of patients with proximal polyps > or = 1 cm would remain undiagnosed if complete colonoscopy were only performed in patients with distal polyps. Because of the well-known increase in the frequency of proximal polyps and because a considerable number of these present without distal sentinel lesions, there are increasing arguments for considering colonoscopy as the basic technique for CRC screening.

We report a case of bronchobiliary fistula between a liver hydatid cyst and the middle lobe of the right lung. It is also reviewed the etiology, pathogenesis, clinical features, diagnosis and treatment of bronchobiliary fistulas.