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- Herlenius, Gustaf, 1961, et al.
(författare)
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Chronic kidney disease - a common and serious complication after intestinal transplantation
- 2008
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Ingår i: Transplantation. - 0041-1337. ; 86:1, s. 108-113
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Tidskriftsartikel (refereegranskat)abstract
- Background. Chronic kidney disease after organ transplantation is a serious complication that negatively impacts on long-term patient survival. We describe long-term renal function after intestinal transplantation by serial measurements of glomerular filtration rates (GFR) with 51Chromium EDTA clearance. Materials and Methods. Ten patients with at least 6 months survival form the basis of this report. Glomerular filtration rate measurements were performed at baseline, 3 months posttransplantation, and yearly thereafter. Median follow-up time for the cohort was 1.5 years (0.5–7.8 years). Tacrolimus (Prograf) was discontinued in four patients because of impaired renal function. These four patients were switched to sirolimus (Rapamune) at 11, 18, 24, and 40 months posttransplantation. Results. Median baseline GFR was 67 (22–114) mL/min/1.73 m2. In the adult patients, GFR 3 months posttransplantation had decreased to 50% of the baseline. At 1 year, median GFR in the adult patients was reduced by 72% (n=5). Two patients developed renal failure within the first year and required hemodialysis. One of the pediatric patients fully recovered her renal function, the second pediatric patient lost 20% of her baseline GFR at 6 months posttransplantation. Glomerular filtration rate calculated with the modified diet in renal disease formula consistently overestimated GFR by approximately 30% compared with measured GFR. Conclusion. Chronic kidney disease and renal failure are common after intestinal transplantation. These two factors significantly contribute to poor long-term survival rates. Measurements of GFR may help to identify those individuals at risk for developing chronic kidney disease to implement renal sparing strategies.
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- Ahlman, Håkan, 1947, et al.
(författare)
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Interventional treatment of gastrointestinal neuroendocrine tumours.
- 2000
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Ingår i: Digestion. - 0012-2823. ; 62 Suppl 1, s. 59-68
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Tidskriftsartikel (refereegranskat)abstract
- Neuroendocrine (NE) tumours of the gastrointestinal tract (carcinoids and endocrine pancreatic tumours) are rare diseases. In the presence of liver metastases these patients may suffer from disabling symptoms due to hormone overproduction. Patients with localized disease can be resected for cure and also patients with liver metastases can undergo potentially curative tumour resection. However, long-term follow-up of the latter cases indicates frequent recurrence of tumour. Using close biochemical monitoring of tumour markers combined with newer techniques for tumour visualization, these recurrences can often be diagnosed at an early stage so that repeat surgical procedures can be performed. During the last years very active surgery has been recommended for NE tumours, many of which have a relatively slow growth. Even in patients not amenable to curative liver surgery, debulking can be considered if the main tumour burden can be safely excised. The primary aim of this type of treatment is palliation of hormonal symptoms. An important question is whether the aggressive treatment actually prolongs survival. No prospective studies have been performed. Such studies are hampered by the lack of strict surgical programs running over long periods and the relative rarity of NE tumours. Liver transplantation may be another treatment modality in selected cases.
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- Ahlman, Håkan, 1947, et al.
(författare)
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Liver transplantation for treatment of metastatic neuroendocrine tumors
- 2004
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Ingår i: Annals of the New York Academy of Sciences. - 0077-8923. ; 1014, s. 265-9
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Tidskriftsartikel (refereegranskat)abstract
- Liver transplantation can be considered a therapeutic option for patients with neuroendocrine tumors only metastatic to the liver. Important selection criteria are well-differentiated tumors and a low proliferation rate (Ki67 <10%). In this series, orthopic liver transplantation offered good relief of symptoms and long disease-free intervals with initial survival of grafts and patients as in benign disease. The experience with multivisceral transplantation is still limited.
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- Friman, Styrbjörn, 1948, et al.
(författare)
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Adjuvant treatment with ursodeoxycholic acid reduces acute rejection after liver transplantation.
- 1992
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Ingår i: Transplant international : official journal of the European Society for Organ Transplantation. - 0934-0874. ; 5 Suppl 1, s. S187-9
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Tidskriftsartikel (refereegranskat)abstract
- Acute rejection, occurring with a reported frequency of 50-70%, is still a dominating problem after liver transplantation. Medication with ursodeoxycholic acid (UDCA) has beneficial effects in different cholestatic conditions and has also been shown to reduce HLA class I antigen expression on hepatocytes in patients with PBC. Since August 1989 we have consecutively treated all patients with primary graft function with UDCA (n = 41). Patients transplanted in the first half of 1989 served as a control group (n = 8). All patients in this study were given sequential quadruple drug immunosuppression. The treatment group were given oral UDCA 10 mg/kg per day. During the first postoperative month, 17% of the UDCA-treated patients had an episode of acute rejection compared with 75% of the control patients (P < 0.01). Liver biochemistry tests 1 month postoperatively were significantly better in patients treated with UDCA. The results suggest that adjuvant treatment with UDCA reduces acute liver graft rejection.
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- Friman, Styrbjörn, 1948, et al.
(författare)
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The bile acid independent flow is reduced in the transplanted liver.
- 1992
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Ingår i: Transplant international : official journal of the European Society for Organ Transplantation. - 0934-0874. ; 5 Suppl 1, s. S163-7
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Tidskriftsartikel (refereegranskat)abstract
- Bile secretion is an important indicator of liver graft function. Reports on bile formation by the transplanted liver with stable function some months after operation are scarce. In this study bile flow, bile salt secretion rate (BSSR) and biliary clearance of polyethylene glycol (PEG) 900, a marker of canalicular bile flow, were studied in a group of liver-transplanted (LTX) patients (n = 8) 3-6 months after transplantation. A group of cholecystectomized patients with indwelling T-tubes (n = 6) served as a control group. Both groups were treated with oral ursodeoxycholic acid (500 mg/day). On the day of the study bile was drained for 6 h by gravity and four-hourly samples were used in the calculations. The relation between bile flow and BSSR analysed with linear regression showed a reduced bile acid independent flow in the liver-transplanted group (0.11 ml/min) compared with the control group (0.20 ml/min). The relation between biliary clearance of PEG 900 and BSSR showed a significantly steeper slope for the cholecystectomized control patients (1.40 ml/micromol) compared with the liver-transplanted patients (0.30 ml/micromol). We conclude, that in spite of stable graft function with normal liver enzmyes, the transplanted liver has a reduced bile acid independent bile flow. The transplanted liver also has a reduced biliary clearance of PEG 900 indicating a reduced canalicular bile flow. The cause of this impaired bile formation could be due to the influence of the immunosuppressive drug cyclosporin, the result of damage to the liver during preservation and reperfusion or the continuous immunological challenge to the graft.
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