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1.  Univariate and multivariate analysis of risk factors for severe clostridium difficile-associated diarrhoea: Importance of co-morbidity and serum C-reactive protein 
AIM: To investigate risk factors for severe clostridium difficile associated diarrhoea (CDAD) in hospitalized patients.
METHODS: We analysed risk factors for severe CDAD (associated with systemic signs of hypovolemia) in 124 hospitalized patients by retrospective chart review.
RESULTS: Severe CDAD was present in 27 patients (22%). Statistical analysis showed a significant association with a higher 30-d mortality (33% vs 4%, P < 0.001) and a higher proportion of longer hospital stay exceeding 14 d (74% vs 52%, P = 0.048). Charlson co-morbidity score (OR 1.29 for 1 point increment, P < 0.05) and serum C-reactive protein at diagnosis (OR 1.15 for 10 mg/L increment, P < 0.001) were independent predictors of severe CDAD.
CONCLUSION: Patients with a severe level of co-morbidity and high serum C-reactive protein levels at the time of diagnosis should receive particular attention.
doi:10.3748/wjg.14.4338
PMCID: PMC2731185  PMID: 18666322
Clostridium difficile; Nosocomial diarrhoea; Co-morbidity; C-reactive protein; 30-day mortality
2.  Acute hepatitis E virus infection and autoimmune thyroiditis: yet another trigger? 
BMJ Case Reports  2012;2012:bcr1220115441.
A middle aged woman, previously healthy with the exception of mild seasonal asthma was presented with signs of acute hepatitis. The further investigation showed acute hepatitis E virus infection associated with autoimmune thyroiditis. Treatment was started with propranolol and carbimazol whereupon hepatitis and hyperthyroidism resolved. The authors think that the observed association of acute hepatitis E virus infection and autoimmune thyroiditis suggests a role of hepatitis E virus as putative trigger of autoimmune thyroiditis. The alternative possibility of thyroid dysfunction due to pre-existing autoantibodies cannot be completely excluded but seems to be unlikely given the very mild course of seasonal asthma in this patient.
doi:10.1136/bcr.12.2011.5441
PMCID: PMC3339187  PMID: 22604767
3.  An unusual presentation of a typical complication after endoscopic polypectomy 
BMJ Case Reports  2011;2011:bcr0820114591.
doi:10.1136/bcr.08.2011.4591
PMCID: PMC3176389  PMID: 22679055
4.  C-reactive protein is a prognostic indicator in patients with perihilar cholangiocarcinoma 
AIM: To evaluate prognostic indicators for the outcome of patients with perihilar extrahepatic cholangiocarcinoma in an unselected cohort.
METHODS: We retrospectively analyzed 98 patients with perihilar cholangiocarcinoma. Twenty-three patients (23.5%) underwent tumor resection. Patients with non-resectable tumors underwent either transpapillary or percutaneous transhepatic biliary drainage. Additionally, 32 patients (32.7%) received photodynamic therapy (PDT) and 18 patients (18.4%) systemic chemotherapy. Predefined variables at the time of diagnosis and characteristics considering the mode of treatment were entered into a Cox’s proportional hazards model. Included in the analysis were age, tumor stage following the modified Bismuth-Corlette classification, bilirubin, prothrombin time (PT), C-reactive protein (CRP), carbohydrate antigen 19-9 (CA19-9), history of weight loss, surgical resection, chemotherapy and PDT.
RESULTS: The Kaplan-Meier estimate of overall median survival was 10.5 (95%CI: 8.4-12.6) mo. In the univariate analysis, low Bismuth stage, low CRP and surgical resection correlated significantly with better survival. In the multivariate analysis, only CRP (P = 0.005) and surgical resection (P = 0.029) were found to be independently predictive of survival in the cohort. Receiver operating characteristic (ROC) analysis identified a CRP level of 11.75 mg/L as the value associated with the highest sensitivity and specificity predicting a survival > 5 mo. Applying Kaplan-Meier analysis, patients with a CRP < 12 mg/L at the time of diagnosis had a significantly longer median survival than patients with higher values (16.2 vs 7.6 mo; P = 0.009).
CONCLUSION: This retrospective analysis identified CRP level at the time of diagnosis as a novel indicator for the prognosis of patients with perihilar cholangiocarcinoma. It should be evaluated in future prospective trials on this entity.
doi:10.3748/wjg.v12.i34.5495
PMCID: PMC4088232  PMID: 17006987
Perihilar cholangiocarcinoma; Prognostic factors; C-reactive protein; Resection; Outcome
5.  Combined sedation with midazolam/propofol for gastrointestinal endoscopy in elderly patients 
BMC Gastroenterology  2010;10:11.
Background
Although gastrointestinal endoscopy with sedation is increasingly performed in elderly patients, data on combined sedation with midazolam/propofol are very limited for this age group.
Methods
We retrospectively analyzed 454 endoscopic procedures in 347 hospitalized patients ≥ 70 years who had received combined sedation with midazolam/propofol. 513 endoscopic procedures in 397 hospitalized patients < 70 years during the observation period served as controls. Characteristics of endoscopic procedures, co-morbidity, complications and mortality were compared.
Results
Elderly patients had a higher level of co-morbidity and needed lower mean propofol doses for sedation. We observed no major complication and no difference in the number of minor complications. The procedure-associated mortality was 0%; the 28-day mortality was significantly higher in the elderly (2.9% vs. 1.0%).
Conclusions
In this study on elderly patients with high level co-morbidity, a favourable safety profile was observed for a combined sedation with midazolam/propofol with a higher sensitivity to propofol in the elderly.
doi:10.1186/1471-230X-10-11
PMCID: PMC2823646  PMID: 20105314
6.  Semiquantitative analysis of intrahepatic CC-chemokine mRNas in chronic hepatitis C. 
Mediators of Inflammation  2004;13(5-6):357-359.
BACKGROUND: The mechanisms leading to hepatic injury in chronic hepatitis C virus (HCV) infection are only incompletely understood. Recent data propose a correlation of the intrahepatic expression of the CC chemokine RANTES and the degree of periportal and portal inflammatory liver damage. AIM: Here, we have studied the intrahepatic mRNA levels of CC chemokines RANTES together with that of other members of this chemokine family (MIP-1beta, MCP-1, and MCP-2) in chronic hepatitis C as compared with healthy controls. METHODS: Liver samples from 22 HCV-infected patients, nine individuals with primary biliary cirrhosis and from 12 normal controls were included into this study. Intrahepatic mRNA levels of CC chemokines RANTES, MIP-1beta, MCP-1, and MCP-2 were analyzed by a semi-quantitative reverse transcription/real-time polymerase chain reaction assay. RESULTS: In chronic HCV infection, intrahepatic RANTES mRNA levels were significantly higher than in non-infected controls (7.2-fold, p < 0.001) or in the disease control group (2.8-fold, p < 0.001) and higher levels of RANTES mRNA levels were observed in livers with an advanced stage of liver cell injury (histologic activity index > or = 6), although this difference was not statistically significant (p = 0.08). In contrast, mRNA levels of MIP-1beta (p = 0.021) and MCP-1 (p = 0.021) were significantly lower in HCV liver samples while MCP-2 expression was similar in all groups analyzed. CONCLUSION: The data support the concept of chemokines as mediators of liver cell injury in chronic hepatitis C.
doi:10.1155/S0962935104000523
PMCID: PMC1781586  PMID: 15770052

Results 1-6 (6)