| 1. |
- Bergqvist, David, et al.
(författare)
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Inga dödsfall/slaganfall efter kirurgi vid asymtomatisk karotisstenos : femårsresultat redovisat i riksstäckande register
- 2006
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Ingår i: Läkartidningen. - 0023-7205 .- 1652-7518. ; 103:5, s. 301-302
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Tidskriftsartikel (refereegranskat)abstract
- In the Swedish vascular registry 7473 carotid endarterectomies are registered, in 10% the indication being a symptomatic stenosis. There are great variations in indication for carotid endarterectomy within Sweden. During the last five years the combined postoperative mortality and/or postoperative permanent stroke has varied between 3% in 1999 and 1.5% in 2003. During the same period not a single patient operated on for a symptomatic carotid stenosis experienced these complications.
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| 2. |
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| 3. |
- Björck, M, et al.
(författare)
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Twenty years with the Swedvasc Registry.
- 2008
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Ingår i: European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery. - : Elsevier BV. - 1532-2165 .- 1078-5884. ; 35:2, s. 129-30
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 4. |
- Hörer, Tal, 1971-, et al.
(författare)
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Intra-peritoneal microdialysis and intra-abdominal pressure after endovascular repair of ruptured aortic aneurysms
- 2013
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Ingår i: European Journal of Vascular and Endovascular Surgery. - : Elsevier BV. - 1078-5884 .- 1532-2165. ; 45:6, s. 596-606
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Tidskriftsartikel (refereegranskat)abstract
- Objectives: This study aims to evaluate intra-peritoneal (ip) microdialysis after endovascular aortic repair (EVAR) of ruptured abdominal aortic aneurysm (rAAA) in patients developing intra-abdominal hypertension (IAH), requiring abdominal decompression.Design: Prospective study.Material and methods: A total of 16 patients with rAAA treated with an emergency EVAR were followed up hourly for intra-abdominal pressure (IAP), urine production and ip lactate, pyruvate, glycerol and glucose by microdialysis, analysed only at the end of the study. Abdominal decompression was performed on clinical criteria, and decompressed (D) and non-decompressed (ND) patients were compared.Results: The ip lactate/pyruvate (l/p) ratio was higher in the D group than in the ND group during the first five postoperative hours (mean 20 vs. 12), p = 0.005 and at 1 h prior to decompression compared to the fifth hour in the ND group (24 vs. 13), p = 0.016. Glycerol levels were higher in the D group during the first postoperative hours (mean 274.6 vs. 121.7 mu M), p = 0.022. The IAP was higher only at 1 h prior to decompression in the D group compared to the ND group at the fifth hour (mean 19 vs. 14 mmHg).Conclusions: lp l/p ratio and glycerol levels are elevated immediately postoperatively in patients developing IAH leading to organ failure and subsequent abdominal decompression.
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| 5. |
- Jonsson, Thomas Björn, 1971-, et al.
(författare)
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Cloxacillin concentrations in serum, subcutaneous fat, and muscle in patients with chronic critical limb ischemia
- 2014
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Ingår i: European Journal of Clinical Pharmacology. - : Springer. - 0031-6970 .- 1432-1041. ; 70:8, s. 957-963
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Tidskriftsartikel (refereegranskat)abstract
- Patients suffering from critical limb ischemia (CLI) have poor wound healing in the ankle and foot areas. Secondary wound infections are frequent and often treated with prolonged courses of antibiotics.This study set out to investigate to what extent the unbound fraction of 4 g of cloxacillin i.v. reaches its target organ in poorly vascularized tissues, i.e., the calf and foot of patients suffering from CLI.Cloxacillin concentrations were measured by HPLC in serum and in microdialysis samples from skin and muscle of the lower part of the calf and as reference subcutaneously at the pectoral level in eight patients suffering from CLI (four males, four females, mean age 78 years, range 66-85 years) and in three healthy controls (two females, one male, mean age 67, range 66-68 years).In patients suffering from CLI, the tissue penetration of cloxacillin after a single 4 g dose was comparable to that of healthy controls, despite impaired blood circulation.The reduced blood flow in the peripheral vessels of the CLI patients presented here apparently is not the rate-limiting factor for delivery or tissue penetration of cloxacillin.
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| 6. |
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| 8. |
- Petzold, Axel, et al.
(författare)
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Neurofilament ELISA validation
- 2010
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Ingår i: JOURNAL OF IMMUNOLOGICAL METHODS. - 0022-1759. ; 352:1-2, s. 23-31
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Tidskriftsartikel (refereegranskat)
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| 9. |
- Petzold, Axel, et al.
(författare)
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Neurofilament ELISA validation
- 2010
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Ingår i: JIM - Journal of Immunological Methods. - : Elsevier BV. - 0022-1759 .- 1872-7905. ; 352:1-2, s. 23-31
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND: Neurofilament proteins (Nf) are highly specific biomarkers for neuronal death and axonal degeneration. As these markers become more widely used, an inter-laboratory validation study is required to identify assay criteria for high quality performance. METHODS: The UmanDiagnostics NF-light (R)enzyme-linked immunoabsorbent assays (ELISA) for the neurofilament light chain (NfL, 68kDa) was used to test the intra-assay and inter-laboratory coefficient of variation (CV) between 35 laboratories worldwide on 15 cerebrospinal fluid (CSF) samples. Critical factors, such as sample transport and storage, analytical delays, reaction temperature and time, the laboratories' accuracy and preparation of standards were documented and used for the statistical analyses. RESULTS: The intra-laboratory CV averaged 3.3% and the inter-laboratory CV 59%. The results from the test laboratories correlated with those from the reference laboratory (R=0.60, p<0.0001). Correcting for critical factors improved the strength of the correlation. Differences in the accuracy of standard preparation were identified as the most critical factor. Correcting for the error introduced by variation in the protein standards improved the correlation to R=0.98, p<0.0001 with an averaged inter-laboratory CV of 14%. The corrected overall inter-rater agreement was subtantial (0.6) according to Fleiss' multi-rater kappa and Gwet's AC1 statistics. CONCLUSION: This multi-center validation study identified the lack of preparation of accurate and consistent protein standards as the main reason for a poor inter-laboratory CV. This issue is also relevant to other protein biomarkers based on this type of assay and will need to be solved in order to achieve an acceptable level of analytical accuracy. The raw data of this study is available online.
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