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Träfflista för sökning "hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Gastroenterologi) srt2:(2000-2009)"

Search: hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Gastroenterologi) > (2000-2009)

  • Result 51-60 of 565
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51.
  • Gunnarsson, Ulf, 1967-, et al. (author)
  • Proctocolectomy and pelvic pouch--is a diverting stoma dangerous for the patient?
  • 2004
  • In: Colorectal Disease. - 1462-8910 .- 1463-1318. ; 6:1, s. 23-7
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: A diverting loop ileostomy was previously considered mandatory for minimizing the effects of septic complications in pelvic pouch surgery. During the past decade there has been a trend towards omission of the loop ileostomy without obvious signs of increased numbers of pouch complications or impaired long-term function. The aim of the present study was to evaluate the risk of complications associated with the construction and closure of the loop ileostomy itself.PATIENTS AND METHODS: Complications following diverting loop ileostomies in 143 patients subjected to restorative pelvic pouch surgery during the period 1983-97 were studied retrospectively by evaluation of case records.RESULTS: In the period between discharge after pelvic pouch surgery and closure of the loop ileostomy, 20 (14%) patients were hospitalized because of excessive stoma flow and 19 (13%) patients were treated for other surgical complications, of whom 10 (7%) required surgical intervention. In the early postoperative period (within 30 days) after closure of the loop ileostomy, 18 (13%) patients suffered complications necessitating surgery. Another 12 (8%) patients were hospitalized because of intestinal obstruction that could be treated conservatively.CONCLUSION: The proportion of complications associated with diverting loop ileostomies in pelvic pouch surgery was considerable. A randomised controlled multicentre study is ethically defensible and is recommended.
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52.
  • Gustafsson, U. O., et al. (author)
  • Haemoglobin A1c as a predictor of postoperative hyperglycaemia and complications after major colorectal surgery
  • 2009
  • In: British Journal of Surgery. - Oxford : Blackwell. - 0007-1323 .- 1365-2168. ; 96:11, s. 1358-1364
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: Hyperglycaemia following major surgery increases morbidity, but may be improved by use of enhanced-recovery protocols. It is not known whether preoperative haemoglobin (Hb) A1c could predict hyperglycaemia and/or adverse outcome after colorectal surgery. METHODS: Some 120 patients without known diabetes underwent major colorectal surgery within an enhanced-recovery protocol. HbA1c was measured at admission and 4 weeks after surgery. All patients received an oral diet beginning 4 h after operation. Plasma glucose was monitored five times daily. Patients were stratified according to preoperative levels of HbA1c (within normal range of 4.5-6.0 per cent, or higher). RESULTS: Thirty-one patients (25.8 per cent) had a preoperative HbA1c level over 6.0 per cent. These had higher mean(s.d.) postoperative glucose (9.3(1.5) versus 8.0(1.5) mmol/l; P < 0.001) and C-reactive protein (137(65) versus 101(52) mg/l; P = 0.008) levels than patients with a normal HbA1c level. Postoperative complications were more common in patients with a high HbA1c level (odds ratio 2.9 (95 per cent confidence interval 1.1 to 7.9)). CONCLUSION: Postoperative hyperglycaemia is common among patients with no history of diabetes, even within an enhanced-recovery protocol. Preoperative measurement of HbA1c may identify patients at higher risk of poor glycaemic control and postoperative complications.
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53.
  • Hansson, L-E, et al. (author)
  • Impact of time in the development of acute appendicitis.
  • 2008
  • In: Digestive Surgery. - : S. Karger AG. - 0253-4886 .- 1421-9883. ; 25:5, s. 394-9
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: The aim of this study was to elucidate the natural history of appendicitis.METHODS: Data was collected prospectively from consecutive patients admitted to hospital for acute abdominal pain. The degree of appendiceal inflammation in relation to preoperative duration of pain was analysed.RESULTS: The study comprised 253 patients operated on for acute appendicitis that could recall the onset of abdominal pain. There was a longer duration of pre-hospital pain in patients, irrespective of age, with perforated appendicitis compared to patients with phlegmonous or gangrenous appendicitis (p < 0.001). In the multivariate analysis, patient age and preoperative duration of pain were independent risk factors for perforation.CONCLUSION: Patient delay in presentation is the predominant factor determining the incidence of complicated appendicitis, and this delay is not influenced by age or gender.
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54.
  • Jansson, Kjell, 1958-, et al. (author)
  • Postoperative on line monitoring with intraperitoneal microdialysis is a sensitive clinical method for measuring increased anaerobic metabolism that correlates to the cytokine response
  • 2004
  • In: Scandinavian Journal of Gastroenterology. - : Informa UK Limited. - 0036-5521 .- 1502-7708. ; 39:5, s. 434-439
  • Journal article (peer-reviewed)abstract
    • Background: Visceral ischaemia and cytokine release are early stages in the development of shock and multiorgan failure. Because of lack of methods to measure anaerobic metabolism or visceral hypoxia in the early phase, diagnosis is not usually established until shock and organ failure are evident. Methods: Nineteen patients were studied postoperatively after major abdominal gastrointestinal surgery. A microdialysis catheter was placed intraperitoneally before closure of the abdomen. Analysis of glucose, pyruvate and lactate was performed every second hour and the ratio between lactate and pyruvate was calculated. Peritoneal fluid was collected from a peritoneal drainage for analysis of tumour necrosis factor alpha (TNF‐α) and interleukin 10 (IL‐10). Results: Sixteen of the patients had a normal postoperative course; the lactate/pyruvate ratio started at the level of 20 immediately postoperatively and decreased significantly during the first 45 postoperative hours (P = 0.007). A similar pattern was recorded for peritoneal TNF‐α, which decreased correspondingly (P = 0.003). A correlation coefficient of 0.303 (P < 0.001) between lactate/pyruvate ratio and TNF‐α was found. After an initial short increase, IL‐10 decreased over time (P < 0.001). Three of the patients had abnormalities in the microdialysis results, cytokines and clinical outcome. These patients are presented separately. Conclusions: A normal postoperative course results in a decrease in the intraperitoneal lactate/pyruvate ratio, TNF‐α and IL‐10. A correlation between the intraperitoneal lactate/pyruvate ratio and TNF‐α was found which suggests that intraperitoneal microdialysis is a sensitive, indirect method in analysing the postoperative intraperitoneal inflammatory response. A complicated postoperative course was preceded by increase of the peritoneal lactate/pyruvate ratio interpreted as splanchnic hypoxia and also an increased TNF‐α level.
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55.
  • Jestin, Pia, et al. (author)
  • Risk factors for anastomotic leakage after rectal cancer surgery : a case-control study
  • 2008
  • In: Colorectal Disease. - : Wiley. - 1462-8910 .- 1463-1318. ; 10:7, s. 715-21
  • Journal article (peer-reviewed)abstract
    • BACKGROUND: With introduction of the total mesorectal excision technique and preoperative radiotherapy in rectal cancer surgery, the local recurrence rate has decreased and the overall survival has improved. One drawback, however, is the high anastomotic leakage rate of approximately 10-18%. Male gender and low anastomoses are known risk factors for such leakage. The aim of this study was to identify potentially modifiable risk factors. METHOD: In a case-control study, data from the Swedish Rectal Cancer Registry (1995-2000) were analysed. Cases were all patients with anastomotic leakage after an anterior resection (n = 134). Two controls were randomly selected for each case. The medical records (n = 402) were checked against a study protocol. Due to incorrect recording two cases and 28 controls were excluded from further analyses. RESULTS: In the multivariate analysis significant risk factors were American Society of Anesthesiologists score > 2 [OR = 1.40 (95% CI 1.05-1.83)], preoperative radiotherapy [OR = 1.34 (95% CI 1.06-1.69)], intraoperative adverse events [OR = 1.85 (95% CI 1.32-2.58)], level of anastomosis
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56.
  • Jönsson, Daniel, et al. (author)
  • Immunocytochemical demonstration of estrogen receptor beta in human periodontal ligament cells.
  • 2004
  • In: Archives of Oral Biology. - 1879-1506 .- 0003-9969. ; 49:1, s. 85-88
  • Journal article (peer-reviewed)abstract
    • Two transcription associated estrogen receptor (ER) subtypes have been identified and named ERα and ERβ. In the present study we investigate the expression of these ER subtypes in cultured human periodontal ligament (PDL) cells by immunocytochemistry. ERβ immunoreactivity was observed in the nuclei of about 40% of the PDL cells, while no ERα immunoreactivity was detected. In human breast cancer MCF-7 cells, serving as positive controls, both ERα and ERβ immunoreactivities were demonstrated. No immunoreactivity was observed after omission of the primary antibodies. This study suggests that estrogen acts on gene transcription preferentially via ERβ in human PDL cells.
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57.
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58.
  • Knutsson, Kerstin, et al. (author)
  • Clinicians' management strategies for patients with dyspepsia: a qualitative approach
  • 2005
  • In: BMC Gastroenterology. - 1471-230X. ; 5:15
  • Journal article (peer-reviewed)abstract
    • Background: Symptoms from the upper gastrointestinal tract are frequently encountered in clinical practice and may be of either organic or functional origin. For some of these conditions, according to the literature, certain management strategies can be recommended. For other conditions, the evidence is more ambiguous. The hypothesis that guided our study design was twofold: Management strategies and treatments suggested by different clinicians vary considerably, even when optimal treatment is clear-cut, as documented by evidence in the literature. Clinicians believe that the management strategies of their colleagues are similar to their own. Methods: Simulated case histories of four patients with symptoms from the upper gastrointestinal tract were presented to 27 Swedish clinicians who were specialists in medical gastroenterology, surgery, and general practice and worked at three hospitals in the southern part of Sweden. The patients' histories contained information on the patient's sex and age and the localisation of the symptoms, but descriptions of subjective symptoms and findings from examinations differed from history to history. Interviews containing open-ended questions were conducted. Results: For the same patient, the management strategies and treatments suggested by the clinicians varied widely, as did the strategies suggested by clinicians in the same speciality. Variation was more pronounced if the case history noted symptoms but no organic findings than if the case history noted unambiguous findings and symptoms. However, even in cases with a consensus in the scientific literature on treatment, the variations in clinicians' opinion on management were pronounced. Conclusion: Despite these variations, the clinicians believed that the decisions made by their colleagues would be similar to their own. The overall results of this study indicate that we as researchers must make scientific evidence comprehensible and communicate evidence so that clinicians are able to interpret and implement it in practice. Of particular significance is that scientific evidence leads to an evidence-based care which is effective clinical practice and to the promotion of health from the perspective of the patient, together with cost-effectiveness as a priority.
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59.
  • Laurell, Helena, et al. (author)
  • Acute diverticulitis : clinical presentation and differential diagnostics
  • 2007
  • In: Colorectal Disease. - : Wiley. - 1462-8910 .- 1463-1318. ; 9:6, s. 496-501
  • Journal article (peer-reviewed)abstract
    • OBJECTIVE: To describe the clinical presentation of acute diverticulitis in an emergency department and to characterize the natural history of diverticulitis in the short perspective. Comparisons are made with an important differential diagnosis, nonspecific abdominal pain (NSAP). METHOD: Patients admitted to our hospital with abdominal pain of up to 7 days' duration were registered prospectively using a detailed schedule for history, symptoms and signs, from 1 February 1997 to 1 June 2000. Of 3349 patients initially included, 3073 (92%) were eligible for follow up after 1-3 years. RESULTS: Acute diverticulitis was the final diagnosis in 145 patients and NSAP in 1142 patients. The incidence of hospitalized patients with diverticulitis was 47 per year and 100 000 population, with a mean hospital stay of 3.3 days. Patients with diverticulitis, more frequently than NSAP, had a longer history and laboratory signs of inflammatory activity. Isolated left abdominal tenderness was more common in diverticulitis, whereas isolated right abdominal tenderness was more common in NSAP. Duration of symptoms on arrival was independent of age and was not correlated to C-reactive protein, leucocytes or body temperature. Sensitivity of diverticulitis as primary diagnosis was 64% and specificity 97%. Corresponding figures for NSAP were 43% and 90% respectively. Age and gender did not influence diagnostic accuracy or risk of surgery. CONCLUSION: Diverticulitis differs significantly from NSAP in clinical presentation and laboratory parameters. Sensitivity of primary diagnosis for diverticulitis and NSAP was low.
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60.
  • Ludvigsson, Jonas F., et al. (author)
  • Celiac disease and risk of liver disease : a general population-based study
  • 2007
  • In: Clinical Gastroenterology and Hepatology. - Amsterdam : Elsevier. - 1542-3565 .- 1542-7714. ; 5:1, s. 63-69
  • Journal article (peer-reviewed)abstract
    • Background & aims: Celiac disease (CD) is an important cause of hypertransaminasemia. CD may also be associated with severe forms of liver disease. We investigated the risk of liver disease in 13,818 patients with CD (1964-2003) and 66,584 age- and sex-matched reference individuals from a general population cohort.Methods: We used Cox regression to estimate hazard ratios (HRs) for later liver disease and conditional logistic regression to estimate the risk of CD in individuals with liver disease prior to study entry.Results: CD was associated with an increased risk of acute hepatitis (HR = 5.21; 95% CI = 1.88-14.40; P = .001), chronic hepatitis (HR = 5.84; 95% CI = 2.89-11.79; P < .001), primary sclerosing cholangitis (PSC)(HR = 4.46; 95% CI = 2.50-7.98; P < .001), fatty liver (HR = 6.06; 95% CI = 1.35-27.16; P = .018), liver failure (HR = 3.30; 95% CI = 2.22-4.88; P < .001), liver cirrhosis or liver fibrosis (HR = 2.23; 95% CI = 1.34-3.72; P < .001) and primary biliary cirrhosis (HR = 10.16; 95% CI = 2.61-39.49; P < .001). There was no increased risk of liver transplantation (HR = 1.07; 95% CI = 0.12-9.62; P = .954). Adjustment for socioeconomic index or diabetes mellitus had no notable effect on the risk estimates.Prior liver disease was associated with a statistically significant 4-6 fold increased risk of later CD.Conclusion: This study suggests that individuals with CD are at increased risk of both prior and subsequent liver disease.
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