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- Abs, Roger, et al.
(författare)
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Determinants of cardiovascular risk in 2589 hypopituitary GH-deficient adults - a KIMS database analysis.
- 2006
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Ingår i: European Journal of Endocrinology. - : Oxford University Press (OUP). - 0804-4643 .- 1479-683X. ; 155:1, s. 79-90
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Tidskriftsartikel (refereegranskat)abstract
- Objective: The aim of the present study was to clarify the relationship between GH deficiency (GHD) andsome cardiovascular risk factors and to analyse the effect of GH replacement therapy in a large numberof patients over a prolonged period of time.Design: Data for analysis were retrieved from KIMS (Pfizer International Metabolic Database). Serumconcentrations of total cholesterol, high-density lipoprotein (HDL)-cholesterol, low-density lipoprotein(LDL)-cholesterol and triglycerides were obtained from 2589 patients at baseline and from 1206patients after 1 and 2 years of GH replacement therapy. Body mass index (BMI), waist and hip, restingblood pressure and body composition were also measured.Results: At baseline, the unfavourable effects of GHD were most obvious in the lipid profiledemonstrating elevated mean total and LDL-cholesterol, in the increased waist circumference and theelevated BMI. The cholesterol concentration, BMI and body composition were significantly adverselyaffected by a number of factors, including age, sex and the use of anti-epileptic drugs. The therapeuticeffect of GH was essentially uniform across the whole population. GH replacement reduced significantlythe mean total and LDL-cholesterol, the waist circumference and the fat mass and was maintainedduring 2 years.Conclusions: This analysis of a large number of patients confirmed that GHD adults present with anincreased cardiovascular risk. The sustained improvement of the adverse lipid profile and bodycomposition suggests that GH replacement therapy may reduce the risk of cardiovascular disease andthe premature mortality seen in hypopituitary patients with untreated GHD.
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- Abs, Roger, et al.
(författare)
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Prevalence of diabetes mellitus in 6050 hypopituitary patients with adult-onset GH deficiency before GH replacement: a KIMS analysis
- 2013
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Ingår i: European Journal of Endocrinology. - 1479-683X. ; 168:3, s. 297-305
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Tidskriftsartikel (refereegranskat)abstract
- Objective: GH deficiency (GHD) in adults is characterized by a tendency toward obesity and an adverse body composition with visceral fat deposit and may thus predispose to the development of type 2 diabetes mellitus. The aim of this study was to assess the observed prevalence proportion (PP) and observed PP over expected PP ratio (standardized prevalence proportion ratio, SPR) of diabetes according to International Diabetes Federation criteria in a large cohort of GH-untreated adult-onset GHD patients. Design and methods: Associations between baseline variables and diabetes prevalence in 6050 GHD patients from KIMS (Pfizer International Metabolic Database) were studied and robust Poisson-regression analyses were performed. Comparisons between baseline status and HbA1c categories in the nondiabetic patients were done with covariance analysis. P values < 0.05 were considered statistically significant. Results: PP was 9.3% compared with the expected 8.2%. SPR was 1.13 (95% confidence intervals (95% CIs), 1.04-1.23), which was significantly increased in females (1.23; 95% CI, 1.09-1.38%) but not in males (SPR 1.04; 95% CI, 0.92-1.17%). PP increased significantly by age, familial diabetes, country selection, BMI, waist circumference, number of pituitary deficiencies, and GHD etiology. SPR decreased significantly by age and increased significantly by BMI, waist circumference, and IGF1 SDS. Multiple regression model showed that the most important impact on SPR was from age and BMI. HbA1c values of 6.0-6.5% were found in 9.5% of nondiabetic patients and were associated with higher BMI and waist circumference. Conclusions: GHD is associated with an increased prevalence of diabetes, largely to be explained by the adverse body composition. These data urge toward early initiation of lifestyle modification measures. European Journal of Endocrinology 168 297-305
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- Belgrano, Valerio, et al.
(författare)
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BRAF status as a predictive factor for response in isolated limb perfusion.
- 2019
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Ingår i: International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group. - : Informa UK Limited. - 1464-5157. ; 36:1, s. 511-15
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Tidskriftsartikel (refereegranskat)abstract
- Isolated limb perfusion (ILP) is a treatment option for unresectable in-transit melanoma metastases of the extremities. Approximately two-thirds of the patients have a complete response, and known predictive factors mainly regard tumor burden. In an attempt to identify subgroups with higher response rates, we retrospectively analyzed the predictive value of the BRAF V600E/K mutation for response at our institution.Between January 2012 and December 2017, 98 consecutive patients underwent first-time ILP with melphalan for melanoma in-transit metastases and were included in the study. Data was retrieved from our prospectively kept database. Tumor burden was assessed preoperatively as number of lesions and largest tumor diameter. BRAF status was determined according to clinical routine. Response rates were classified according to WHO criteria.Of the 98 patients included in the analysis, 32 patients had a BRAF V600E/K mutation (33%) and 66 patients were BRAF wild type (wt). There was no difference in age, sex or tumor burden between the groups. Comparing response between BRAF V600E/K mutation and BRAF wt, the overall response rate was 69% vs. 77% (p=.36) and the complete response rate was 47% vs. 52% (p=.67). There was no difference in survival, with a median survival of 47 months.In this consecutive series of patients, BRAF V600E/K mutation was not found to be a significant factor for response or survival following ILP.
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- Belgrano, Valerio, et al.
(författare)
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Response and Toxicity of Repeated Isolated Limb Perfusion (re-ILP) for Patients With In-Transit Metastases of Malignant Melanoma.
- 2019
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Ingår i: Annals of surgical oncology. - : Springer Science and Business Media LLC. - 1534-4681 .- 1068-9265. ; 26:4, s. 1055-1062
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Tidskriftsartikel (refereegranskat)abstract
- Isolated limb perfusion (ILP) is a safe and well-established treatment for in-transit metastases of melanoma. In case of relapse or disease progression, ILP can be repeated (re-ILP). This study aimed retrospectively to analyze a large consecutive series of re-ILP and compare clinical outcomes with first-time ILP.Between 2001 and 2015, 290 consecutive patients underwent 380 ILPs. Of these, 90 were re-ILPs including 68second ILPs, 16 third ILPs, 4 fourth ILPs, and two fifth ILPs. The study evaluated response (using World Health Organization [WHO] criteria), local toxicity (using the Wieberdink scale), and complications (using Clavien-Dindo).The results were compared between the first ILP, the second ILP, and the third to fifth ILP. The overall response rate was respectively 83%, 80% and 68%, with a complete response (CR) rate of 60%, 41%, and 59%. In the re-ILP group, the patients with a CR after the first ILP had a 65% CR rate after the second ILP compared with 8% for the patients without a CR (p=0.001). The risk for local toxicity or complications was not increased after re-ILP. The median overall survival periods were respectively 34, 41, and 93months (p=0.02).As a therapeutic option, ILP can be repeated safely for in-transit metastases of melanoma, achieving similar high response rates without increasing complications or toxicity. Re-ILP is mainly indicated for patients who already had a CR after the first ILP, whereas other treatment options should be considered for primary non-responders.
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- Belgrano, Valerio, et al.
(författare)
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Sentinel node for malignant melanoma: An observational study of a consecutive single centre experience
- 2019
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Ingår i: European Journal of Surgical Oncology. - : Elsevier BV. - 0748-7983 .- 1532-2157. ; 45:2, s. 225-230
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Tidskriftsartikel (refereegranskat)abstract
- © 2018 Elsevier Ltd, BASO ~ The Association for Cancer Surgery, and the European Society of Surgical Oncology Introduction: Sentinel node biopsy (SNB) for melanoma gives prognostic information, however the success is dependent on several factors. The aim of this study was to describe outcome data after the introduction of the technique at our centre, including analysis of false negative rate (FNR), predictive factors for positive sentinel node (SN) and non-sentinel node (NSN), as well as prognostic factors for melanoma-specific survival (MSS). Materials and methods: This is a retrospective observational study of a prospectively kept database at Sahlgrenska University Hospital. Between March 2000 and December 2013, 769 consecutive patients with cutaneous malignant melanoma undergoing SNB were included. The median follow-up time was 55 months (2–179 months). Tumour load in the SN was categorized according to the largest tumour deposit, low when ≤1 mm and high when >1 mm. Results: The FNR was 20% and the SN positivity rate was 14% with a decrease in both FNR and SN positivity rate during the study period. In multivariate analysis the only predictive factor for a positive SN was Breslow thickness. The 5-year melanoma specific survival (MSS) was 81% and in multivariate analysis the prognostic factors were SN-status (low metastatic load HR = 2.6, p = 0.001; high metastatic load HR = 2.7, p = 0.004) followed by Breslow thickness and ulceration. Conclusions: In this study Breslow thickness was the only independent predictive factor for a positive SN, no predictive factors were identified for NSN. Independent prognostic factors for MSS were SN status, Breslow thickness and ulceration. Interestingly, there was no survival difference depending on SN tumour burden when using 1 mm as cut-off.
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- Ben-Shabat, Ilan, et al.
(författare)
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Isolated hepatic perfusion as a treatment for liver metastases of uveal melanoma.
- 2015
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Ingår i: Journal of visualized experiments : JoVE. - : MyJove Corporation. - 1940-087X. ; :95
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Tidskriftsartikel (refereegranskat)abstract
- Isolated hepatic perfusion (IHP) is a procedure where the liver is surgically isolated and perfused with a high concentration of the chemotherapeutic agent melphalan. Briefly, the procedure starts with the setup of a percutaneous veno-venous bypass from the femoral vein to the external jugular vein. Via a laparotomy, catheters are then inserted into the proper hepatic artery and the caval vein. The portal vein and the caval vein, both supra- and infrahepatically, are then clamped. The arterial and venous catheters are connected to a heart lung machine and the liver is perfused with melphalan (1 mg/kg body weight) for 60 min. This way it is possible to locally perfuse the liver with a high dose of a chemotherapeutic agent, without leakage to the systemic circulation. In previous studies including patients with isolated liver metastases of uveal melanoma, an overall response rate of 33-100% and a median survival between 9 and 13 months, have been reported. The aim of this protocol is to give a clear description of how to perform the procedure and to discuss IHP as a treatment option for liver metastases of uveal melanoma.
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