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- Friis-Liby, Ingalill, et al.
(författare)
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Ikterus och kolestas
- 2012
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Ingår i: Läkartidningen. - 0023-7205. ; 109:46, s. 2093-6
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Tidskriftsartikel (refereegranskat)
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| 2. |
- Rajani, Rupesh, et al.
(författare)
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High prevalence of the germline JAK2 46/1 haplotype and V617-mutationin Swedish patients with Budd-Chiari syndrome and Portal Vein Thrombosis
- 2010
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Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
- Background & Aims: To determine the prevalence of the somatic JAK2 V617F mutation and distribution of the germline JAK2 46/1 haplotype in Budd-Chiari Syndrome (BCS) and portal vein thrombosis (PVT). Methods: Real-time PCR was performed to genotype for the JAK2V 617F mutation and the 46/1 haplotype (tag-SNPs rs12343867, T>C and rs12340895, C>G) in blood samples of 19 BCS and 91 PVT patients (without intra-abdominal malignancy), and 283 controls from a background population. Results: The prevalence of JAK2 V617F-mutation was 63% in BCS and 14% in PVT patients. 10% in BCS and 2% in PVT had V617F negative MPD. Conversely, V617F positive subjects without known MPD was found in 5% of the BCS and in 1% of PVT patients. The frequency of the JAK2 46/1 haplotype was significantly higher in BCS (53%) and PVT (36%) patients compared to controls (27%) (p=0.02; OR=3.0; 95% CI 1.5-5.9 and OR=1.51; 95% CI 1.1-2.1, respectively). In PVT patients the JAK2 haplotype was highly enriched in non-cirrhotic patients (41%) (p <0.01 ; OR=1.8; 95% CI 1.2-2.6) but not in cirrhotic patients (23%) (p=0.53 ; OR= 0.8; 95% CI 0.4-1.7). An increased JAK2 46/1 haplotype frequency was evident only in V617F mutation positive patients. Conclusions: The prevalence of JAK2 V617F was high in BCS (63%) and non-cirrhotic PVT (14%), facilitating detection of latent MPD. A negative result dose not rule out MPD. The occurrence of the JAK2 46/1 haplotype was significantly higher in V617F mutation positive patients but not in mutation negative patients, suggesting that the haplotype may not have an independent role separated from the V617F mutation in BCS and PVT patients.
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| 7. |
- Sjöberg, Mats, 1965-, et al.
(författare)
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Infliximab or cyclosporine as rescue therapy in hospitalized patients with steroid-refractory ulcerative colitis : a retrospective observational study
- 2012
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Ingår i: Inflammatory Bowel Diseases. - : John Wiley & Sons. - 1078-0998 .- 1536-4844. ; 18:2, s. 212-218
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Tidskriftsartikel (refereegranskat)abstract
- Background: Cyclosporine (CsA) or infliximab (IFX) are used as rescue therapies in steroid-refractory, severe attacks of ulcerative colitis (UC). There are no data comparing the efficacy of these two alternatives. Methods: Outcome of rescue therapy was retrospectively studied in two cohorts of patients hospitalized due to steroid-refractory moderate to severe UC: 1) a Swedish-Danish cohort (n 49) treated with a single infusion of IFX; 2) an Austrian cohort (n 43) treated with intravenous CsA. After successful rescue therapy, maintenance immunomodulator treatment was given to 27/33 (82%) of IFX patients and to 31/40 (78%) of CsA patients. Endpoints were colectomy-free survival at 3 and 12 months. Kaplan-Meier and Cox regression models were used to evaluate the association between treatment groups and colectomy. Results: At 15 days, colectomy-free survival in the IFX cohort was 36/49 (73%) versus 41/43 (95%) in the CsA cohort (P = 0.005), at 3 months 33/49 (67%) versus 40/43 (93%) (P = 0.002), and at 12 months 28/49 (57%) versus 33/43 (77%) (P = 0.034). After adjusting for potential confounding factors, Cox regression analysis yielded adjusted hazard ratios for risk of colectomy in IFX-treated patients of 11.2 (95% confidence interval [CI] 2.4-53.1, P = 0.002) at 3 months and of 3.0 (95% CI 1.1-8.2, P = 0.030) at 12 months in comparison with CsA-treated patients. There were no opportunistic infections or mortality. Conclusions: Colectomy frequencies were significantly lower after rescue therapy with CsA than with a single infusion of IFX both at 3 and 12 months' follow-up. The superiority of CsA was seen principally during the first 15 days.
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