Andreas L Serra

University of Zurich, Zürich, Zurich, Switzerland

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Publications (117)

  • Article · Feb 2016 · Journal of the European Academy of Dermatology and Venereology
  • Albina Nowak · Ferruh Artunc · Andreas L Serra · [...] · Björn Friedrich
    [Show abstract] [Hide abstract] ABSTRACT: Cardiovascular calcification contributes to the increased mortality in hemodialysis patients. Sclerostin was identified as an antianabolic bone factor causing soft tissue calcification. Data on prospective large-scale studies associating sclerostin with mortality in hemodialysis patients are so far inconsistent. In our multicenter prospective longitudinal study following hemodialysis patients, we assessed the associations of sclerostin and bone remodeling markers with long-term mortality. We evaluated the relationship between circulating sclerostin, Fibroblast growth factor 23 (FGF23) and traditional bone remodeling markers. Sclerostin levels in hemodialysis patients were compared with healthy controls. We enrolled 239 hemodialysis patients with a median follow up of 1461 days. In Cox regression analysis, FGF23 (HR 1.40;95%CI 1.11-1.76), parathyroid hormone (PTH) (HR 1.80;95%CI 1.44-2.26) and alkaline phosphatase (AP) (HR 1.50;95%CI 1.10-2.04) per SD, 25(OH)vitamin D (HR 0.42;95%CI 0.23-0.76) per natural log but not sclerostin (HR 1.02;95%CI 0.75-1.38) per SD increase were associated with mortality. FGF23, PTH and AP were negatively associated with sclerostin. Among control and hemodialysis females, sclerostin levels were lower than in men. Higher FGF23, PTH, AP and lower 25(OH)vitamin D but not sclerostin predict long-term mortality. Sclerostin was negatively associated with FGF23, PTH and AP and lower in females than in males. © 2015 S. Karger AG, Basel.
    Article · May 2015 · Kidney and Blood Pressure Research
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    [Show abstract] [Hide abstract] ABSTRACT: Background: Autosomal dominant polycystic kidney disease (ADPKD) is characterized by a decline in renal function at late disease stage when the majority of functional renal parenchyma is replaced by cystic tissue. Thus, kidney function, assessed by estimated glomerular filtration rate (eGFR) does not well represent disease burden in early disease. Here, we investigated various urinary markers for tubular injury and their association with disease burden in ADPKD patients at early disease course. Methods: ADPKD patients between 18 and 40 years with an eGFR greater or equal to 70 ml per min per 1.73m2 were eligible for this cross-sectional study. Urinary Neutrophil Gelatinase-Associated Lipocalin (NGAL), Kidney Injury Molecule-1 (KIM-1), and Uromodulin (UMOD) were investigated by Enzyme-Linked Immunosorbent Assay. Clara Cell Protein 16 (CC16) was investigated by Latex Immuno Assay. Cryoscopy was performed to assess urine osmolality and Urinary Albumin-to-Creatinine Ratio (UACR) was calculated. The association and the predictive properties of the markers on eGFR and height adjusted total kidney volume (htTKV) was evaluated using multiple regression analysis, incorporating different control variables for adjustment. Internal bootstrapping validated the obtained results. Results: In 139 ADPKD patients (age 31 ±7 years, mean eGFR of 93 ± 19 ml per min per 1.73 m2) the total kidney volume was negatively correlated with eGFR and UMOD and positive associated with age, UACR, KIM-1 and urine osmolality after adjustment for possible confounders. Urine osmolality and htTKV were also associated with eGFR, whereas no association of CC16, NGAL and UMOD with eGFR or htTKV was found. Conclusion: UACR and urinary KIM-1 are independently associated with kidney size but not with renal function in our study population. Urine osmolality was associated with eGFR and kidney volume following adjustment for multiple confounders. Despite statistical significance, the clinical value of our results is not yet conceivable. Further studies are needed to evaluate the property of the aforementioned biomarkers to assess disease state at early ADPKD stage.
    Full-text available · Article · Apr 2015 · PLoS ONE
  • [Show abstract] [Hide abstract] ABSTRACT: Background Lung transplant recipients (LTR) are at increased risk for squamous cell carcinoma of the skin (SCC), but risk factors (RF) are incompletely understood.Objective To assess associations between exposure to certain medications and viral infections, and subsequent SCC development.Methods Retrospective study examining incidence and potential RF for SCC in LTR transplanted from 1992 to 2010 followed up at one centre. Cumulative incidence and Cox proportional hazards regression models were used to evaluate RF in the first year post-transplant for SCC formation during the follow-up.ResultsIn 205 analysed LTR, 46 patients were diagnosed with SCC during a median follow-up of 4.9 years. The cumulative incidences of first SCC were 16.7% and 34.1%, for 5 and 10 years post-transplantation respectively. Multivariable analysis identified CMV replication (HR 7.69, 95% CI 2.93–20.2, P < 0.001) and moxifloxacin exposure (HR 2.35, 95% CI 1.15–4.81, P = 0.020) during the first year post-transplantation as independent RF for SCC development during follow-up.Conclusion In our cohort, moxifloxacin use and CMV replication during the first year post-transplantation were associated with increased risk for SCC. These two factors could be indicators of over-immunosuppression. Their role in SCC development requires investigations in larger cohorts and prospective studies.
    Article · Apr 2015 · The Journal of Heart and Lung Transplantation
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    [Show abstract] [Hide abstract] ABSTRACT: Fabry disease (FD) is a lysosomal storage disorder resulting in progressive nervous system, kidney and heart disease. Enzyme replacement therapy (ERT) may halt or attenuate disease progression. Since administration is burdensome and expensive, appropriate use is mandatory. We aimed to define European consensus recommendations for the initiation and cessation of ERT in patients with FD. A Delphi procedure was conducted with an online survey (n = 28) and a meeting (n = 15). Patient organization representatives were present at the meeting to give their views. Recommendations were accepted with ≥75% agreement and no disagreement. For classically affected males, consensus was achieved that ERT is recommended as soon as there are early clinical signs of kidney, heart or brain involvement, but may be considered in patients of ≥16 years in the absence of clinical signs or symptoms of organ involvement. Classically affected females and males with non-classical FD should be treated as soon as there are early clinical signs of kidney, heart or brain involvement, while treatment may be considered in females with non-classical FD with early clinical signs that are considered to be due to FD. Consensus was achieved that treatment should not be withheld from patients with severe renal insufficiency (GFR < 45 ml/min/1.73 m2) and from those on dialysis or with cognitive decline, but carefully considered on an individual basis. Stopping ERT may be considered in patients with end stage FD or other co-morbidities, leading to a life expectancy of <1 year. In those with cognitive decline of any cause, or lack of response for 1 year when the sole indication for ERT is neuropathic pain, stopping ERT may be considered. Also, in patients with end stage renal disease, without an option for renal transplantation, in combination with advanced heart failure (NYHA class IV), cessation of ERT should be considered. ERT in patients who are non-compliant or fail to attend regularly at visits should be stopped. The recommendations can be used as a benchmark for initiation and cessation of ERT, although final decisions should be made on an individual basis. Future collaborative efforts are needed for optimization of these recommendations.
    Full-text available · Article · Mar 2015 · Orphanet Journal of Rare Diseases
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    [Show abstract] [Hide abstract] ABSTRACT: Progressive CKD is generally detected at a late stage by a sustained decline in eGFR and/or the presence of significant albuminuria. With the aim of early and improved risk stratification of patients with CKD, we studied urinary peptides in a large cross-sectional multicenter cohort of 1990 individuals, including 522 with follow-up data, using proteome analysis. We validated that a previously established multipeptide urinary biomarker classifier performed significantly better in detecting and predicting progression of CKD than the current clinical standard, urinary albumin. The classifier was also more sensitive for identifying patients with rapidly progressing CKD. Compared with the combination of baseline eGFR and albuminuria (area under the curve [AUC]=0.758), the addition of the multipeptide biomarker classifier significantly improved CKD risk prediction (AUC=0.831) as assessed by the net reclassification index (0.303±-0.065; P<0.001) and integrated discrimination improvement (0.058±0.014; P<0.001). Correlation of individual urinary peptides with CKD stage and progression showed that the peptides that associated with CKD, irrespective of CKD stage or CKD progression, were either fragments of the major circulating proteins, suggesting failure of the glomerular filtration barrier sieving properties, or different collagen fragments, suggesting accumulation of intrarenal extracellular matrix. Furthermore, protein fragments associated with progression of CKD originated mostly from proteins related to inflammation and tissue repair. Results of this study suggest that urinary proteome analysis might significantly improve the current state of the art of CKD detection and outcome prediction and that identification of the urinary peptides allows insight into various ongoing pathophysiologic processes in CKD. Copyright © 2015 by the American Society of Nephrology.
    Full-text available · Article · Jan 2015 · Journal of the American Society of Nephrology
  • [Show abstract] [Hide abstract] ABSTRACT: Advanced chronic kidney disease (CKD) is associated with the development of renal metabolic acidosis. Metabolic acidosis per se may represent a trigger for progression of CKD. Renal acidosis of CKD is characterized by low urinary ammonium excretion with preserved urinary acidification indicating a defect in renal ammoniagenesis, ammonia excretion or both. The underlying molecular mechanisms, however, have not been addressed to date. We examined the Han:SPRD rat model and used a combination of metabolic studies, mRNA and protein analysis of renal molecules involved in acid-base handling. We demonstrate that rats with reduced kidney function as evident from lower creatinine clearance, lower haematocrit, higher plasma blood urea nitrogen, creatinine, phosphate and potassium had metabolic acidosis that could be aggravated by HCl acid loading. Urinary ammonium excretion was highly reduced whereas urinary pH was more acidic in CKD compared with control animals. The abundance of key enzymes and transporters of proximal tubular ammoniagenesis (phosphate-dependent glutaminase, PEPCK and SNAT3) and bicarbonate transport (NBCe1) was reduced in CKD compared with control animals. In the collecting duct, normal expression of the B1 H(+)-ATPase subunit is in agreement with low urinary pH. In contrast, the RhCG ammonia transporter, critical for the final secretion of ammonia into urine was strongly down-regulated in CKD animals. In the Han:SPRD rat model for CKD, key molecules required for renal ammoniagenesis and ammonia excretion are highly down-regulated providing a possible molecular explanation for the development and maintenance of renal acidosis in CKD patients. © The Author 2014. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved.
    Article · Dec 2014 · Nephrology Dialysis Transplantation
  • K. Petzold · R.T. Gansevoort · A.C.M. Ong · [...] · A.L. Serra
    Article · Dec 2014
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    D.W. Stimpfle · A.L. Serra · R.P. Wüthrich · [...] · G.F.L. Hofbauer
    [Show abstract] [Hide abstract] ABSTRACT: BackgroundSIAscopy (Spectrophotometric Intracutaneous Analysis) enables non-invasive analysis of the skin.Objective We wanted to determine whether SIAscopy is able to detect and differentiate the skin chromophores melanin, collagen and haemoglobin and the influence of immunosuppressive drugs and other known risk factors for non-melanoma skin cancer (NMSC).Methods Volunteers and patients were measured by SIAscopy at six spots on sun-exposed and two spots on sun-protected skin. Measurements were transformed by SIAmetrics into arbitrary units and statistically analysed.ResultsMelanin was shown to be higher with age (+1.73759 a.u.; P < 0.0001), sun exposure (+47.03998 a.u.; P < 0.0001), immunosuppression (+10.48526 a.u.; P < 0.0001) and lower in males (−26.50952 a.u.; P < 0.0001). Collagen was lower with increasing age (−0.29162 a.u.; P < 0.0001) and sun exposure (−6.85586 a.u.; P < 0.0001) but higher with male sex (+8.34251 a.u.; P < 0.0001) and immunosuppression (+5.79171 a.u.; P = 0.0001). Haemoglobin was lower with increasing age (−0.23833 a.u.; P = 0.0005), but higher with male sex (+18.51976 a.u.; P < 0.0001) and sun exposure (+13.74523 a.u.; P < 0.0001). Haemoglobin content was not associated to immunosuppression.Conclusion Our results encourage the use of SIAscopy as a tool to better gauge an individual patient's NMSC risk factors. Further studies should help to better delineate SIAscopy as a prognostic tool.
    Full-text available · Article · Oct 2014 · Journal of the European Academy of Dermatology and Venereology
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    Katja Petzold · Ron T Gansevoort · Albert C.M. Ong · [...] · Andreas L Serra
    [Show abstract] [Hide abstract] ABSTRACT: Background Autosomal dominant polycystic kidney disease (ADPKD) is the most common monogenic inherited kidney disease, affecting an estimated 600 000 individuals in Europe. The disease is characterized by age-dependent development of a multiple cysts in the kidneys, ultimately leading to end-stage renal failure and the need of renal replacement therapy in the majority of patients, typically by the fifth or sixth decade of life. The variable disease course, even within the same family, remains largely unexplained. Similarly, assessing disease severity and prognosis in an individual with ADPKD remains difficult. Epidemiological studies are limited due to the fragmentation of ADPKD research in Europe.
    Full-text available · Article · Sep 2014 · Nephrology Dialysis Transplantation
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    [Show abstract] [Hide abstract] ABSTRACT: Deranged calcium-phosphate metabolism contributes to the burden of morbidity and mortality in dialysis patients. This study aimed to assess the association of the phosphaturic hormone fibroblast growth factor 23 (FGF23) and soluble Klotho with all-cause mortality. We measured soluble Klotho and FGF23 levels at enrolment and two weeks later in 239 prevalent hemodialysis patients. The primary hypothesis was that low Klotho and high FGF23 are associated with increased mortality. The association between Klotho and atrial fibrillation (AF) at baseline was explored as secondary outcome. AF was defined as presence of paroxysmal, persistent or permanent AF. During a median follow-up of 924 days, 59 (25%) patients died from any cause. Lower Klotho levels were not associated with mortality in a multivariable adjusted analysis when examined either on a continuous scale (HR 1.25 per SD increase, 95% CI 0.84-1.86) or in tertiles, with tertile 1 as the reference category (HR for tertile two 0.65, 95% CI 0.26-1.64; HR for tertile three 2.18, 95% CI 0.91-2.23). Higher Klotho levels were associated with the absence of AF in a muItivariable logistic regression analysis (OR 0.66 per SD increase, 95% CI 0.41-1.00). Higher FGF23 levels were associated with mortality risk in a multivariable adjusted analysis when examined either on a continuous scale (HR 1.45 per SD increase, 95% CI 1.05-1.99) or in tertiles, with the tertile 1 as the reference category (HR for tertile two 1.63, 95% CI 0.64-4.14; HR for tertile three 3.91, 95% CI 1.28-12.20). FGF23 but not Klotho levels are associated with mortality in hemodialysis patients. Klotho may be protective against AF.
    Full-text available · Article · Jul 2014 · PLoS ONE
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    Laura Rotar · Andreas L. Serra · Katja Petzold
    Full-text available · Article · Apr 2014
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    [Show abstract] [Hide abstract] ABSTRACT: Autosomal dominant polycystic kidney disease (ADPKD) is a relentlessly progressing form of chronic kidney disease for which there is no cure. The aim of this study was to characterize Chinese patients with ADPKD and to identify the factors which predict cyst growth and renal functional deterioration. To analyze disease predicting factors we performed a prospective longitudinal observational study in a cohort of 541 Chinese patients with ADPKD and an eGFR ≥30 ml/min/1.73 m2. Patients were followed clinically and radiologically with sequential abdominal magnetic resonance imaging (MRI). Clinical characteristics and laboratory data were related to changes in estimated glomerular filtration rate (eGFR) and total kidney volume (TKV). A linear regression model was developed to analyze the factors which determine eGFR and TKV changes. The age range of this unselected cohort ranged from 4 to 77 years. Median follow-up time was 14.3±10.6 months. Although inter-individual differences in eGFR and TKV were large, there was a consistent link between these two parameters. Baseline log10-transformed TKV and urinary protein/creatinine ratio were identified as the major predictors for a faster eGFR decline and were associated with a higher TKV growth rate. Interestingly, a lower thrombocyte count correlated significantly with lower eGFR (r = 0.222) and higher TKV (r = 0.134). This large cohort of Chinese patients with ADPKD provides unique epidemiological data for comparison with other cohorts of different ethnicity. In Chinese patients we identified a lower thrombocyte count as a significant predictor of disease progression. These results are important for the design of future clinical trials to retard polycystic kidney disease progression.
    Full-text available · Article · Mar 2014 · PLoS ONE
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    [Show abstract] [Hide abstract] ABSTRACT: Diabetic nephropathy (DN) is one of the major late complications of diabetes. Treatment aimed at slowing down the progression of DN is available but methods for early and definitive detection of DN progression are currently lacking. The 'Proteomic prediction and Renin angiotensin aldosterone system Inhibition prevention Of early diabetic nephRopathy In TYpe 2 diabetic patients with normoalbuminuria trial' (PRIORITY) aims to evaluate the early detection of DN in patients with type 2 diabetes (T2D) using a urinary proteome-based classifier (CKD273). In this ancillary study of the recently initiated PRIORITY trial we aimed to validate for the first time the CKD273 classifier in a multicentre (9 different institutions providing samples from 165 T2D patients) prospective setting. In addition we also investigated the influence of sample containers, age and gender on the CKD273 classifier. We observed a high consistency of the CKD273 classification scores across the different centres with areas under the curves ranging from 0.95 to 1.00. The classifier was independent of age (range tested 16-89 years) and gender. Furthermore, the use of different urine storage containers did not affect the classification scores. Analysis of the distribution of the individual peptides of the classifier over the nine different centres showed that fragments of blood-derived and extracellular matrix proteins were the most consistently found. We provide for the first time validation of this urinary proteome-based classifier in a multicentre prospective setting and show the suitability of the CKD273 classifier to be used in the PRIORITY trial.
    Full-text available · Article · Mar 2014 · Nephrology Dialysis Transplantation
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    [Show abstract] [Hide abstract] ABSTRACT: Organ transplant recipients (OTR) are at high risk for cutaneous squamous cell carcinomas (SCC). We aimed to define clinically meaningful patient-reported warning signals predicting the presence of invasive SCC.Patient-reported signs and symptoms of 812 consecutively biopsied skin lesions from 410 OTR were determined by questionnaire and physical examination and related to the subsequent biopsy-proven diagnoses. Receiver-operating characteristic (ROC) curve analyses were used as a measure of distinction between the predictive values of patient-reported warning signals and the occurrence of SCC. Pain was an independent predictive patient-reported warning signal for a biopsy-proven invasive SCC. The odds ratio from the fully adjusted model predicting SCC was 4.4(95% confidence interval: 2.4–8.2). Higher scores on the visual analog scale (VAS) for pain were associated witha greater likelihood for the presence of SCC compared to none or mild pain. The for scores on the VAS from 1to 3, 4 to 6 and 7 to 10 were 4.9 (2.2–10.5), 2.3 (0.96–5.5)and 16.5 (3.6–75.8), respectively. Pain is the most powerful patient-reported warning signal for invasive cutaneous SCC in OTR. Empowerment of patients by education could accelerate diagnosis and treatment of cutaneous SCC.
    Full-text available · Article · Mar 2014 · American Journal of Transplantation
  • [Show abstract] [Hide abstract] ABSTRACT: The complement system is involved in many immune complex-mediated kidney diseases, yet its role in the pathogenesis of autosomal dominant polycystic kidney disease (ADPKD) has not been examined in detail. Screening of the glycoproteome of urine samples from ADPKD patients revealed that levels of complement factor B (CFB), serpin peptidase inhibitor, complement component 1 inhibitor (SERPING1) and complement component 9 (C9) increased whereas complement component 1, r subcomponent-like (C1RL), CD55 and CD59 levels decreased with disease progression. Immunostaining and western blot analysis confirmed the enhanced expression of CFB and C9 in cystic kidneys from ADPKD patients. Immunostaining also showed that the expressions of CFB and C9 in renal biopsy tissues from patients with other types of chronic kidney disease were lower than in tissues from ADPKD patients. The effect of the complement inhibitor rosmarinic acid (RMA) was evaluated in Pkd1(-/-) mice and Han:SPRD Cy/+ rats. Compared with vehicle-treated Pkd1(-/-) animals, RMA-treated mice had significantly lower serum creatinine (-50%) and blood urea nitrogen (-78%) levels, two kidneys/body weight ratio (-60%) and renal cystic index (-60%). Similar results were found in Cy/+ rats. Lower numbers of Ki67-positive nuclei and inflammatory cells and reduced fibrosis were observed in both animal models upon treatment with RMA. These results suggest that excessive activation of the alternative complement pathway is associated with ADPKD progression, probably mediated by cyst-lining epithelial cell proliferation, tubulointerstitial inflammatory cell infiltration and fibrosis. Targeting the complement system might represent a new therapeutic strategy for ADPKD. This article is protected by copyright. All rights reserved.
    Article · Feb 2014 · Journal of Internal Medicine
  • S Reidt · M Namdar · A Serra · [...] · C Schmied
    Article · Feb 2014 · Internal Medicine Journal
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    [Show abstract] [Hide abstract] ABSTRACT: Fibroblast growth factor 23 (FGF23) regulates phosphate homeostasis and is linked to cardiovascular disease and all-cause mortality in chronic kidney disease. FGF23 rises in patients with CKD stages 2-3, but in patients with autosomal dominant polycystic kidney disease, the increase of FGF23 precedes the first measurable decline in renal function. The mechanisms governing FGF23 production and effects in kidney disease are largely unknown. Here we studied the relation between FGF23 and mineral homeostasis in two animal models of PKD. Plasma FGF23 levels were increased 10-fold in 4-week-old cy/+ Han:SPRD rats, whereas plasma urea and creatinine concentrations were similar to controls. Plasma calcium and phosphate levels as well as TmP/GFR were similar in PKD and control rats at all time points examined. Expression and activity of renal phosphate transporters, the vitamin D3-metabolizing enzymes, and the FGF23 co-ligand Klotho in the kidney were similar in PKD and control rats through 8 weeks of age, indicating resistance to FGF23, although phosphorylation of the FGF receptor substrate 2α protein was enhanced. In the kidneys of rats with PKD, FGF23 mRNA was highly expressed and FGF23 protein was detected in cells lining renal cysts. FGF23 expression in bone and spleen was similar in control rats and rats with PKD. Similarly, in an inducible Pkd1 knockout mouse model, plasma FGF23 levels were elevated, FGF23 was expressed in kidneys, but renal phosphate excretion was normal. Thus, the polycystic kidney produces FGF23 but is resistant to its action.Kidney International advance online publication, 8 January 2014; doi:10.1038/ki.2013.526.
    Full-text available · Article · Jan 2014 · Kidney International
  • [Show abstract] [Hide abstract] ABSTRACT: Solid organ transplant recipients are highly susceptible to skin cancer. The major driving factors are immunosuppressive medication and ultraviolet light. Appropriate sun protection markedly reduces the development of skin cancer. Skin cancer recognized at an early stage can reliably be cured, and fatal outcomes can be prevented. The aim of this work is to educate organ transplant recipients and health care professionals involved in their care, to increase awareness of skin cancer in this high-risk population and thus to optimize the long-term outcome of patients with skin cancer. Our newly developed website provides free access to various educational materials, including leaflets, presentations and interactive elements using edutainment.
    Article · Nov 2013 · Praxis
  • [Show abstract] [Hide abstract] ABSTRACT: Nach einer Organtransplantation besteht für Betroffene ein erhöhtes Risiko für Hautkrebs. Ursächlich verantwortlich dafür sind vor allem die immunsuppressive Medikation und die UV-Strahlung. Konsequenter Sonnenschutz kann das Auftreten von Hautkrebs reduzieren und es bestehen bei frühzeitiger Erkennung gute Behandlungsoptionen. Leider sind sich viele Patienten und deren Betreuer dieses Risikos zu wenig bewusst, wodurch sie die einfachen aber effektiven präventiven Massnahmen ungenügend umsetzen. Anliegen dieser Arbeit ist es, Patienten nach Organtransplantation und an deren Betreuung beteiligte Personen vermehrt für die Problematik zu sensibilisieren und die Information Betroffener zu erleichtern, um damit die Prävention von Hautkrebs nach Organtransplantation zu optimieren. Eine zu diesem Zweck erstellte Website ermöglicht freien Zugang zu diversen Informationsmaterialien und bietet nebst informativem Inhalt auch interaktive und unterhaltende Elemente an. = Solid organ transplant recipients are highly susceptible to skin cancer. The major driving factors are immunosuppressive medication and ultraviolet light. Appropriate sun protection markedly reduces the development of skin cancer. Skin cancer recognized at an early stage can reliably be cured, and fatal outcomes can be prevented. The aim of this work is to educate organ transplant recipients and health care professionals involved in their care, to increase awareness of skin cancer in this high-risk population and thus to optimize the long-term outcome of patients with skin cancer. Our newly developed website provides free access to various educational materials, including leaflets, presentations and interactive elements using edutainment.
    Article · Nov 2013 · Praxis

Publication Stats

2k Citations


  • 2007-2015
    • University of Zurich
      Zürich, Zurich, Switzerland
  • 2013
    • Schulthess Klinik, Zürich
      Zürich, Zurich, Switzerland
  • 2008
    • University Hospital Zürich
      Zürich, Zurich, Switzerland