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Sökning: WFRF:(Hultén M)

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51.
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52.
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53.
  • Maeda, K, et al. (författare)
  • Local correction of a transverse loop colostomy prolapse by means of a stapler device.
  • 2004
  • Ingår i: Techniques in coloproctology. - : Springer Science and Business Media LLC. - 1123-6337 .- 1128-045X. ; 8:1, s. 45-6
  • Tidskriftsartikel (refereegranskat)abstract
    • Prolapse is a common complication in patients with a transverse loop colostomy. In most cases, the prolapse can be managed conservatively awaiting time for closure eventually. However, loop stoma may also be intentionally permanent or the patient may be too fragile to have the colostomy closed and in these cases a laparotomy is required for correction of the prolapse. A simple method allowing local correction of the prolapsed loop stoma is described.
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54.
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55.
  • Scaglia, M, et al. (författare)
  • Injection treatment of hemorrhoids in patients with acquired immunodeficiency syndrome.
  • 2001
  • Ingår i: Diseases of the colon and rectum. - 0012-3706. ; 44:3, s. 401-4
  • Tidskriftsartikel (refereegranskat)abstract
    • Patients with acquired immunodeficiency syndrome are often in poor general physical condition. Diarrhea and bleeding hemorrhoids frequently contribute to the morbidity, and patients with such problems cause an increasing load on many outpatient clinics.Twenty-two patients (17 males) with acquired immunodeficiency syndrome had injection treatment for bleeding second-degree to fourth-degree hemorrhoids according to standard outpatient clinic routines. Mean follow-up was 24 months.No complications were recorded. The treatment was successful in all patients, and no hemorrhoidectomy was necessary. Nineteen patients improved after their first injection, whereas 3 patients required two to six weeks repeated treatments to improve. Four subjects with the longer follow-up (4 years) showed an improvement lasting 12 to 18 months and then required one to two treatments per year to stop recurrent bleeding.Because of their poor general condition and poor wound healing, a conservative approach is preferable to avoid a formal hemorrhoidectomy in patients with acquired immunodeficiency syndrome. Sclerotherapy seems to be an attractive alternative.
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56.
  • Scaglia, M, et al. (författare)
  • [The functional and manometric results of 2 surgical methods of posterior abdominal rectopexy]. : Risultati funzionali e manometrici di due metodi chirurgici di rettopessi addominale posteriore.
  • 1994
  • Ingår i: Minerva chirurgica. - 0026-4733. ; 49:5, s. 383-92
  • Tidskriftsartikel (refereegranskat)abstract
    • Functional changes after posterior abdominal rectopexy for the treatment of rectal prolapse are not fully understood. We studied the effects of Wells' or Ripstein's rectopexy on functional characteristics as related to anal sphincter function, rectal volume and sensory function in 31 patients with complete or internal rectal prolapse. We have observed an improvement of continence over 70% in both groups. However, an absent or a decreased call to stool, constipation and evacuation difficulties are the aftermath of Wells' rectopexy, while these complaints appear basically unaffected by Ripstein's technique. Maximal squeeze pressure was slightly increased after Ripstein's rectopexy, whereas no significant effects were found on anal pressures. Postoperatively the rectal capacity was reduced by Well's procedure (p < 0.05), while no significant changes were observed with Ripstein's operation. After the Wells procedure patients developed at the threshold for the relaxation of the internal sphincter progressively lower rectal volumes, reaching one year after rectopexy the statistical significance. Sensory thresholds for sense of filling and urge were significantly raised after Wells' rectopexy even one year after operation, whereas after Ripstein's operation sense of filling was not significantly affected and while sense of urge was increased early postoperatively, it was not significantly changed at one hear postoperative control. In conclusion, when fecal incontinence appears associated to a rectal prolapse has good chances to improve postoperatively. Preoperative evacuation difficulties seem to be unaffected by a posterior abdominal rectopexy, Wells or Ripstein, but an extensive dissection of the rectum with the division of the lateral stalks, as it is performed in Wells' operation, seems to be a procedure that can create a further burden of problems the the patient and it seems coupled to a manovolumetric elevation of rectal sensory thresholds.
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57.
  • Skiöldebrand, Eva, et al. (författare)
  • Cartilage oligomeric matrix protein neoepitope in the synovial fluid of horses with acute lameness: A new biomarker for the early stages of osteoarthritis
  • 2017
  • Ingår i: Equine Veterinary Journal. - : Wiley. - 0425-1644 .- 2042-3306. ; 49:5, s. 662-667
  • Tidskriftsartikel (refereegranskat)abstract
    • BackgroundClinical tools to diagnose the early changes of osteoarthritis (OA) that occur in the articular cartilage are lacking. ObjectivesWe sought to identify and quantify a novel cartilage oligomeric matrix protein (COMP) neoepitope in the synovial fluid from the joints of healthy horses and those with different stages of OA. Study designIn vitro quantitative proteomics and assay development with application in synovial fluids samples obtained from biobanks of well-characterised horses. MethodsArticular cartilage explants were incubated with or without interleukin-1 for 25 days. Media were analysed via quantitative proteomics. Synovial fluid was obtained from either normal joints (n = 15) or joints causing lameness (n = 17) or with structural OA lesions (n = 7) and analysed for concentrations of the COMP neoepitope using a custom-developed inhibition enzyme-linked immunosorbent assay (ELISA). Explants were immunostained with polyclonal antibodies against COMP and the COMP neoepitopes. ResultsSemitryptic COMP peptides were identified and quantified in cell culture media from cartilage explants. A rabbit polyclonal antibody was raised against the neoepitope of the N-terminal portion of one COMP fragment (sequence SGPTHEGVC). An inhibition ELISA was developed to quantify the COMP neoepitope in synovial fluid. The mean concentration of the COMP neoepitope significantly increased in the synovial fluid from the joints responsible for acute lameness compared with normal joints and the joints of chronically lame horses and in joints with chronic structural OA. Immunolabelling for the COMP neoepitope revealed a pericellular staining in the interleukin-1-stimulated explants. Main limitationsThe ELISA is based on polyclonal antisera rather than a monoclonal antibody. ConclusionsThe increase in the COMP neoepitope in the synovial fluid from horses with acute lameness suggests that this neoepitope has the potential to be a unique candidate biomarker for the early molecular changes in articular cartilage associated with OA.
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58.
  • Svensson, Per Anders, 1959, et al. (författare)
  • Identification of genes predominantly expressed in human macrophages
  • 2004
  • Ingår i: Atherosclerosis. - : Elsevier BV. ; 177, s. 287-290
  • Tidskriftsartikel (refereegranskat)abstract
    • Identification of cell and tissue specific genes may provide novel insights to signaling systems and functions. Macrophages play a key role in many diseases including atherosclerosis. Using DNA microarrays we compared the expression of approximately 10,000 genes in 56 human tissues and identified 23 genes with predominant expression in macrophages. The identified genes include both genes known to be macrophage specific and genes previously not well described in this cell type. Tissue distribution of two genes, liver X receptor (LXR) alpha and interleukin-1 receptor antagonist (IL1RN), was verified by real-time RT-PCR. We conclude that comparison of expression profiles from a large number of tissues can be used to identify genes that are predominantly expressed in certain tissues. Identification of novel macrophage specific genes may increase our understanding of the role of this cell in different diseases.
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59.
  • Svensson, Per-Arne, 1969, et al. (författare)
  • Regulation and splicing of scavenger receptor class B type I in human macrophages and atherosclerotic plaques
  • 2005
  • Ingår i: BMC Cardiovasc Disord. - : Springer Science and Business Media LLC. - 1471-2261. ; 5
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: The protective role of high-density lipoprotein (HDL) in the cardiovascular system is related to its role in the reverse transport of cholesterol from the arterial wall to the liver for subsequent excretion via the bile. Scavenger receptor class B type I (SR-BI) binds HDL and mediates selective uptake of cholesterol ester and cellular efflux of cholesterol to HDL. The role of SR-BI in atherosclerosis has been well established in murine models but it remains unclear whether SR-BI plays an equally important role in atherosclerosis in humans. The aim of this study was to investigate the expression of SR-BI and its isoforms in human macrophages and atherosclerotic plaques. METHODS: The effect of hypoxia and minimally modified low-density lipoprotein (mmLDL), two proatherogenic stimuli, on SR-BI expression was studied in human monocyte-derived macrophages from healthy subjects using real-time PCR. In addition, SR-BI expression was determined in macrophages obtained from subjects with atherosclerosis (n = 15) and healthy controls (n = 15). Expression of SR-BI isoforms was characterized in human atherosclerotic plaques and macrophages using RT-PCR and DNA sequencing. RESULTS: SR-BI expression was decreased in macrophages after hypoxia (p < 0.005). In contrast, SR-BI expression was increased by exposure to mmLDL (p < 0.05). There was no difference in SR-BI expression in macrophages from patients with atherosclerosis compared to controls. In both groups, SR-BI expression was increased by exposure to mmLDL (p < 0.05). Transcripts corresponding to SR-BI and SR-BII were detected in macrophages. In addition, a third isoform, referred to as SR-BIII, was discovered. All three isoforms were also expressed in human atherosclerotic plaque. Compared to the other isoforms, the novel SR-BIII isoform was predicted to have a unique intracellular C-terminal domain containing 53 amino acids. CONCLUSION: We conclude that SR-BI is regulated by proatherogenic stimuli in humans. However, we found no differences between subjects with atherosclerosis and healthy controls. This indicates that altered SR-BI expression is not a common cause of atherosclerosis. In addition, we identified SR-BIII as a novel isoform expressed in human macrophages and in human atherosclerotic plaques.
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