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1.
Br J Ophthalmol ; 108(2): 294-300, 2024 01 29.
Artículo en Inglés | MEDLINE | ID: mdl-36627174

RESUMEN

BACKGROUND: Graves' orbitopathy (GO) is subject to epidemiological and care-related changes. Aim of the survey was to identify trends in presentation of GO to the European Group On Graves' Orbitopathy (EUGOGO) tertiary referral centres and initial management over time. METHODS: Prospective observational multicentre study. All new referrals with diagnosis of GO within September-December 2019 were included. Clinical and demographic characteristics, referral timelines and initial therapeutic decisions were recorded. Data were compared with a similar EUGOGO survey performed in 2012. RESULTS: Besides age (mean age: 50.5±13 years vs 47.7±14 years; p 0.007), demographic characteristics of 432 patients studied in 2019 were similar to those in 2012. In 2019, there was a decrease of severe cases (9.8% vs 14.9; p<0.001), but no significant change in proportion of active cases (41.3% vs 36.6%; p 0.217). After first diagnosis of GO, median referral time to an EUGOGO tertiary centre was shorter (2 (0-350) vs 6 (0-552) months; p<0.001) in 2019. At the time of first visit, more patients were already on antithyroid medications (80.2% vs 45.0%; p<0.001) or selenium (22.3% vs 3.0%; p<0.001). In 2019, the initial management plans for GO were similar to 2012, except for lid surgery (2.4% vs 13.9%; p<0.001) and prescription of selenium (28.5% vs 21.0%; p 0.027). CONCLUSION: GO patients are referred to tertiary EUGOGO centres in a less severe stage of the disease than before. We speculate that this might be linked to a broader awareness of the disease and faster and adequate delivered treatment.


Asunto(s)
Oftalmopatía de Graves , Selenio , Humanos , Adulto , Persona de Mediana Edad , Oftalmopatía de Graves/diagnóstico , Oftalmopatía de Graves/epidemiología , Oftalmopatía de Graves/terapia , Estudios Prospectivos , Derivación y Consulta , Centros de Atención Terciaria
2.
PLoS One ; 18(4): e0281585, 2023.
Artículo en Inglés | MEDLINE | ID: mdl-37018188

RESUMEN

BACKGROUND: Despite the widespread use of glucocorticoids in inflammatory and autoimmune disorders, there is uncertainty about the safe cessation of long-term systemic treatment, as data from prospective trials are largely missing. Due to potential disease relapse or glucocorticoid-induced hypocortisolism, the drug is often tapered to sub-physiological doses rather than stopped when the underlying disease is clinically stable, increasing the cumulative drug exposure. Conversely, the duration of exposure to glucocorticoids should be minimized to lower the risk of side effects. METHODS: We designed a multicenter, randomized, triple-blinded, placebo-controlled trial to test the clinical noninferiority of abrupt glucocorticoid stop compared to tapering after ≥28 treatment days with ≥420 mg cumulative and ≥7.5 mg mean daily prednisone-equivalent dose. 573 adult patients treated systemically for various disorders will be included after their underlying disease has been stabilized. Prednisone in tapering doses or matching placebo is administered over 4 weeks. A 250 mg ACTH-test, the result of which will be revealed a posteriori, is performed at study inclusion; all patients are instructed on glucocorticoid stress cover dosing. Follow-up is for 6 months. The composite primary outcome measure is time to hospitalization, death, initiation of unplanned systemic glucocorticoid therapy, or adrenal crisis. Secondary outcomes include the individual components of the primary outcome, cumulative glucocorticoid doses, signs and symptoms of hypocortisolism, and the performance of the ACTH test in predicting the clinical outcome. Cox proportional hazard, linear, and logistic regression models will be used for statistical analysis. CONCLUSION: This trial aims to demonstrate the clinical noninferiority and safety of abrupt treatment cessation after ≥28 days of systemic glucocorticoid therapy in patients with stabilized underlying disease. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT03153527; EUDRA-CT: 2020-005601-48 https://clinicaltrials.gov/ct2/show/NCT03153527?term=NCT03153527&draw=2&rank=1.


Asunto(s)
Insuficiencia Suprarrenal , Glucocorticoides , Adulto , Humanos , Insuficiencia Suprarrenal/inducido químicamente , Hormona Adrenocorticotrópica , Glucocorticoides/efectos adversos , Glucocorticoides/uso terapéutico , Estudios Multicéntricos como Asunto , Recurrencia Local de Neoplasia/tratamiento farmacológico , Prednisona/efectos adversos , Prednisona/uso terapéutico , Estudios Prospectivos , Ensayos Clínicos Controlados Aleatorios como Asunto , Privación de Tratamiento
3.
Artículo en Inglés | MEDLINE | ID: mdl-35383100

RESUMEN

INTRODUCTION: This post hoc pooled analysis of four real-world studies (SURE Canada, Denmark/Sweden, Switzerland and UK) aimed to characterize the use of once-weekly (OW) semaglutide, a glucagon-like peptide-1 receptor agonist (GLP-1RA), in patients with type 2 diabetes (T2D). RESEARCH DESIGN AND METHODS: The Semaglutide Real-world Evidence (SURE) studies had a duration of ~30 weeks. Changes in glycated hemoglobin (HbA1c) and body weight (BW) were analyzed for the overall population and the following baseline subgroups: GLP-1RA-naïve/GLP-1RA switchers; body mass index <25/≥25-<30/≥30-<35/≥35 kg/m2; age <65/≥65 years; HbA1c <7%/≥7-≤8%/>8-≤9%/>9%; T2D duration <5/≥5-<10/≥10 years. Data for patients achieving treatment targets were analyzed in the overall population and the baseline HbA1c ≥7% subgroup. RESULTS: Of 1212 patients, 960 were GLP-1RA-naïve and 252 had switched to semaglutide from another GLP-1RA. In the overall population, HbA1c was reduced from baseline to end of study (EOS) by -1.1% point and BW by -4.7 kg; changes were significant for all subgroups. There were significantly larger reductions of HbA1c and BW in GLP-1RA-naïve versus GLP-1RA switchers and larger reductions in HbA1c for patients with higher versus lower baseline HbA1c. At EOS, 52.6% of patients in the overall population achieved HbA1c <7%. No new safety concerns were identified in any of the completed SURE studies. CONCLUSIONS: In this pooled analysis, patients with T2D initiating OW semaglutide showed significant improvements from baseline to EOS in HbA1c and BW across various baseline subgroups, including patients previously treated with a GLP-1RA other than semaglutide, supporting OW semaglutide use in clinical practice. TRAIL REGISTRATION NUMBERS: NCT03457012; NCT03631186; NCT03648281; NCT03876015.


Asunto(s)
Diabetes Mellitus Tipo 2 , Anciano , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Diabetes Mellitus Tipo 2/epidemiología , Péptidos Similares al Glucagón/uso terapéutico , Hemoglobina Glucada/análisis , Humanos , Hipoglucemiantes/uso terapéutico
4.
Visc Med ; 37(4): 246-253, 2021 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-34540939

RESUMEN

BACKGROUND: Obese patients have an increased incidence of ventral hernias; in over 50% of these cases, patients are symptomatic. At the same time, morbid obesity is a disease of epidemic proportions. The combination of symptomatic hernia and obesity is a challenge for the treating surgeon, because the risk of perioperative complications and recurrence increases with increasing BMI. SUMMARY: This review outlines this problem and discusses interdisciplinary approaches to the management of affected patients. In emergency cases, the hernia is treated according to the surgeon's expertise. In elective cases, an individual decision must be made whether bariatric surgery is indicated before hernia repair or whether both should be performed simultaneously. After bariatric surgery a weight reduction of 25-30% of total body weight in the first year can be achieved and it is often advantageous to perform a bariatric operation prior to hernia repair. Technically, the risk of complications is lower with minimally invasive procedures than with open ones, but laparoscopy is challenging in obese patients, and meshes can only be implanted in intraperitoneal position. This mesh position has to be questioned because of adhesions, recurrence rate, and risk of contamination during re-interventions in patients who are often still relatively young. KEY MESSAGES: Obese patients with hernia need to be approached in an interdisciplinary manner, in some patients a weight loss procedure may be advantageous before hernia repair. Recent data show the benefits of robotic hernia surgery in obese patients, as not only haptic advantages result, but especially the mesh can be implanted in a variety of extraperitoneal positions in the abdominal wall with low morbidity.

5.
Diabetes Res Clin Pract ; 178: 108931, 2021 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-34217773

RESUMEN

AIMS: SURE Switzerland (NCT03631186) investigated real-world once-weekly (OW) semaglutide use in adults with type 2 diabetes (T2D). METHODS: This multicentre, prospective, observational study enrolled adults with T2D with ≥ 1 documented HbA1c value ≤ 12 weeks before semaglutide initiation. Primary endpoint was change in HbA1c from baseline to end of study (EOS; ~30 weeks). Secondary endpoints included changes in body weight (BW) and waist circumference (WC), and the proportion of patients achieving HbA1c < 8.0%, <7.5% and <7.0% at EOS. Semaglutide dose at EOS was a prespecified exploratory endpoint. RESULTS: Overall, 214 patients initiated semaglutide (baseline HbA1c 7.8% [62 mmol/mol], BW 99.9 kg and WC 117.4 cm); 187 attended the EOS visit. At EOS, 175 (81.8%) were still receiving semaglutide (mean [SD] dose 0.78 [0.29] mg); in those patients, mean HbA1c reduced by -0.8 [95% CI - 1.01;-0.68] %-points (-9 [-11;-7] mmol/mol), BW by -5.0 kg [-5.73;-4.24] and WC by -4.8 cm [-5.75;-3.79] (all p < 0.0001). At EOS, 85.9%, 76.5% and 55.9% patients achieved, respectively, HbA1c < 8.0%, <7.5% and < 7.0%. No new safety signals were identified. CONCLUSIONS: Patients with T2D in Switzerland initiating OW semaglutide experienced clinically relevant glycaemic control and BW improvements in a real-world setting, supporting semaglutide use in routine clinical practice.


Asunto(s)
Diabetes Mellitus Tipo 2 , Adulto , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Diabetes Mellitus Tipo 2/epidemiología , Péptidos Similares al Glucagón , Hemoglobina Glucada/análisis , Humanos , Hipoglucemiantes/efectos adversos , Estudios Prospectivos , Suiza/epidemiología
6.
JAMA ; 325(14): 1414-1425, 2021 04 13.
Artículo en Inglés | MEDLINE | ID: mdl-33755728

RESUMEN

Importance: The effect of continuing vs withdrawing treatment with semaglutide, a glucagon-like peptide 1 receptor agonist, on weight loss maintenance in people with overweight or obesity is unknown. Objective: To compare continued once-weekly treatment with subcutaneous semaglutide, 2.4 mg, with switch to placebo for weight maintenance (both with lifestyle intervention) in adults with overweight or obesity after a 20-week run-in with subcutaneous semaglutide titrated to 2.4 mg weekly. Design, Setting, and Participants: Randomized, double-blind, 68-week phase 3a withdrawal study conducted at 73 sites in 10 countries from June 2018 to March 2020 in adults with body mass index of at least 30 (or ≥27 with ≥1 weight-related comorbidity) and without diabetes. Interventions: A total of 902 participants received once-weekly subcutaneous semaglutide during run-in. After 20 weeks (16 weeks of dose escalation; 4 weeks of maintenance dose), 803 participants (89.0%) who reached the 2.4-mg/wk semaglutide maintenance dose were randomized (2:1) to 48 weeks of continued subcutaneous semaglutide (n = 535) or switched to placebo (n = 268), plus lifestyle intervention in both groups. Main Outcomes and Measures: The primary end point was percent change in body weight from week 20 to week 68; confirmatory secondary end points were changes in waist circumference, systolic blood pressure, and physical functioning (assessed using the Short Form 36 Version 2 Health Survey, Acute Version [SF-36]). Results: Among 803 study participants who completed the 20-week run-in period (with a mean weight loss of 10.6%) and were randomized (mean age, 46 [SD, 12] years; 634 [79%] women; mean body weight, 107.2 kg [SD, 22.7 kg]), 787 participants (98.0%) completed the trial and 741 (92.3%) completed treatment. With continued semaglutide, mean body weight change from week 20 to week 68 was -7.9% vs +6.9% with the switch to placebo (difference, -14.8 [95% CI, -16.0 to -13.5] percentage points; P < .001). Waist circumference (-9.7 cm [95% CI, -10.9 to -8.5 cm]), systolic blood pressure (-3.9 mm Hg [95% CI, -5.8 to -2.0 mm Hg]), and SF-36 physical functioning score (2.5 [95% CI, 1.6-3.3]) also improved with continued subcutaneous semaglutide vs placebo (all P < .001). Gastrointestinal events were reported in 49.1% of participants who continued subcutaneous semaglutide vs 26.1% with placebo; similar proportions discontinued treatment because of adverse events with continued semaglutide (2.4%) and placebo (2.2%). Conclusions and Relevance: Among adults with overweight or obesity who completed a 20-week run-in period with subcutaneous semaglutide, 2.4 mg once weekly, maintaining treatment with semaglutide compared with switching to placebo resulted in continued weight loss over the following 48 weeks. Trial Registration: ClinicalTrials.gov Identifier: NCT03548987.


Asunto(s)
Péptido 1 Similar al Glucagón/agonistas , Péptidos Similares al Glucagón/uso terapéutico , Obesidad/tratamiento farmacológico , Sobrepeso/tratamiento farmacológico , Pérdida de Peso/efectos de los fármacos , Adulto , Fármacos Antiobesidad/farmacología , Fármacos Antiobesidad/uso terapéutico , Presión Sanguínea/efectos de los fármacos , Método Doble Ciego , Femenino , Péptidos Similares al Glucagón/efectos adversos , Péptidos Similares al Glucagón/farmacología , Humanos , Inyecciones Subcutáneas , Masculino , Persona de Mediana Edad , Circunferencia de la Cintura/efectos de los fármacos
7.
Cell Metab ; 31(4): 699-709.e5, 2020 04 07.
Artículo en Inglés | MEDLINE | ID: mdl-32197070

RESUMEN

Postprandial hypoglycemia is a disabling complication of the treatment of obesity by gastric bypass surgery. So far, no therapy exists, and the underlying mechanisms remain unclear. Here, we hypothesized that glucose-induced IL-1ß leads to an exaggerated insulin response in this condition. Therefore, we conducted a placebo-controlled, randomized, double-blind, crossover study with the SGLT2-inhibitor empagliflozin and the IL-1 receptor antagonist anakinra (clinicaltrials.govNCT03200782; n = 12). Both drugs reduced postprandial insulin release and prevented hypoglycemia (symptomatic events requiring rescue glucose: placebo = 7/12, empagliflozin = 2/12, and anakinra = 2/12, pvallikelihood ratio test (LRT) = 0.013; nadir blood glucose for placebo = 2.4 mmol/L, 95% CI 2.18-2.62, empagliflozin = 2.69 mmol/L, 95% CI 2.31-3.08, and anakinra = 2.99 mmol/L, 95% CI 2.43-3.55, pvalLRT = 0.048). Moreover, analysis of monocytes ex vivo revealed a hyper-reactive inflammatory state that has features of an exaggerated response to a meal. Our study proposes a role for glucose-induced IL-1ß in postprandial hypoglycemia after gastric bypass surgery and suggests that SGLT2-inhibitors and IL-1 antagonism may improve this condition.


Asunto(s)
Compuestos de Bencidrilo/farmacología , Derivación Gástrica/efectos adversos , Glucósidos/farmacología , Hipoglucemia/tratamiento farmacológico , Proteína Antagonista del Receptor de Interleucina 1/farmacología , Interleucina-1beta/fisiología , Inhibidores del Cotransportador de Sodio-Glucosa 2/farmacología , Adulto , Estudios Cruzados , Método Doble Ciego , Femenino , Glucosa/metabolismo , Humanos , Hipoglucemia/etiología , Masculino , Persona de Mediana Edad , Periodo Posprandial , Prueba de Estudio Conceptual
8.
Horm Metab Res ; 51(1): 69-75, 2019 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-30396219

RESUMEN

Radioiodine refractoriness in differentiated thyroid cancer remains an unsolved therapeutic problem. Response to retinoids might depend on specific genetic markers. In this retrospective analysis, associations between BRAF V600E and clinical outcomes after redifferentiation with retinoic acid (RA) and radioiodine therapy (RIT) were investigated. Thirteen patients with radioiodine-refractory (RAI-R) papillary thyroid cancer (PTC) were treated with 13-cis-RA followed by iodine-131 treatment at the Department of Endocrinology, Heidelberg University Hospital, Heidelberg, Germany. DNA sequencing was performed in formalin-fixed paraffin-embedded tissue. Clinical outcome parameters were tumor size, thyroglobulin, and radioiodine uptake in correlation to mutational status. Differences of each parameter were compared before and after RA/RIT. Initial response showed no difference in patients with BRAF V600E compared to patients with wild type. However, after a median follow-up of 2 and a half years, 2 out of 3 patients with BRAF V600E showed response compared to 5 out of 9 with wild type under consideration of all 3 parameters. In this small cohort, more RAI-R PTC patients with BRAF V600E receiving redifferentiation therapy showed response. Verification in a larger study population analyzing mutational status in patients with RAI-R PTC might be helpful to identify patients where redifferentiation therapy might lead to an improved outcome.


Asunto(s)
Radioisótopos de Yodo/uso terapéutico , Proteínas Proto-Oncogénicas B-raf/genética , Cáncer Papilar Tiroideo/tratamiento farmacológico , Cáncer Papilar Tiroideo/genética , Tretinoina/uso terapéutico , Adulto , Anciano , Estudios de Cohortes , Femenino , Alemania , Humanos , Masculino , Persona de Mediana Edad , Mutación Missense , Proteínas Proto-Oncogénicas B-raf/metabolismo , Estudios Retrospectivos , Cáncer Papilar Tiroideo/metabolismo
9.
Obes Facts ; 9(5): 299-309, 2016.
Artículo en Inglés | MEDLINE | ID: mdl-27701173

RESUMEN

OBJECTIVE: Low inhibitory control and strong hedonic response towards food are considered to contribute to overeating and obesity. Based on previous research, the present study aimed at examining the potentially crucial interplay between these two factors in terms of long-term weight loss in people with obesity. METHODS: BMI, inhibitory control towards food, and food liking were assessed in obese adults prior to a weight reduction programme (OPTIFAST® 52). After the weight reduction phase (week 13) and the weight loss maintenance phase (week 52), participants' BMI was re-assessed. RESULTS: Baseline BMI, inhibitory control and food liking alone did not predict weight loss. As hypothesised, however, inhibitory control and food liking interactively predicted weight loss from baseline to week 13 and to week 52 (albeit the latter effect was less robust). Participants with low inhibitory control and marked food liking were less successful in weight reduction. CONCLUSION: These findings underscore the relevance of the interplay between cognitive control and food reward valuation in the maintenance of obesity.


Asunto(s)
Preferencias Alimentarias/psicología , Hiperfagia/psicología , Inhibición Psicológica , Obesidad/psicología , Filosofía , Programas de Reducción de Peso/métodos , Adulto , Femenino , Humanos , Hiperfagia/terapia , Masculino , Persona de Mediana Edad , Obesidad/terapia , Recompensa , Resultado del Tratamiento , Pérdida de Peso/fisiología , Adulto Joven
10.
Surg Obes Relat Dis ; 11(6): 1349-60, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-26421929

RESUMEN

BACKGROUND: For severely obese patients, bariatric surgery has been recommended as an effective therapy. OBJECTIVES: The Bariataric Surgery and Education (BaSE) study aimed to assess the efficacy of a videoconferencing-based psychoeducational group intervention in patients after bariatric surgery. SETTING: The BaSE study is a randomized, controlled multicenter clinical trial involving 117 patients undergoing bariatric surgery (mean preoperative body mass index [BMI] 49.9 kg/m(2), SD 6.4). Patients were enrolled between May 2009 and November 2012 and were randomly assigned to receive either conventional postsurgical visits or, in addition, a videoconferencing-based 1-year group program. METHODS: Primary outcome measures were weight in kilograms, health-related quality of life (HRQOL), and general self-efficacy (GSE). Secondary outcome measures were depression symptoms and eating behavior. RESULTS: 94% of the patients completed the study. Mean weight loss for all patients was 45.9 kg (SD 16.4) 1 year after surgery (mean excess weight loss [EWL] 63%). Intention-to-treat analyses revealed no differences in weight loss, EWL, HRQOL, or self-efficacy between study groups at 1 year after surgery. However, patients with clinically significant depression symptoms (CSD) at baseline assigned to the intervention group (n = 29) had a significantly better HRQOL (P = .03), lower depression scores (P = .02), and a trend for a better EWL (.06) 1 year after surgery compared with the control group (n = 20). CONCLUSION: We could not prove the efficacy of the group program for the whole study sample. However, results indicate that the intervention is effective for the important subgroup of patients with CSD.


Asunto(s)
Cirugía Bariátrica/efectos adversos , Depresión/rehabilitación , Obesidad Mórbida/cirugía , Cuidados Posoperatorios/métodos , Psicoterapia/métodos , Comunicación por Videoconferencia , Adulto , Índice de Masa Corporal , Depresión/etiología , Femenino , Estudios de Seguimiento , Humanos , Masculino , Estudios Retrospectivos , Resultado del Tratamiento , Pérdida de Peso
11.
BMC Surg ; 15: 113, 2015 Oct 15.
Artículo en Inglés | MEDLINE | ID: mdl-26467771

RESUMEN

BACKGROUND: Surgical management of renal secondary hyperparathyroidism (sHPT) is varying. Total parathyroidectomy with heterotopic autotransplantation (TPTX + AT) is one of the standard surgical procedures in sHPT, but there is no consensus about the optimal site for graft insertion. At the surgical department of the University Hospital of Heidelberg we prefer the autotransplantation into the tibialis anterior muscle. The aim of this study was to assess the long-term function of the auto-transplanted parathyroid tissue in this type of surgical procedure. METHODS: The function of the autograft of 42 patients was assessed 8.2 ± 2.5 years after surgery, using a modified Casanova-test of the leg bearing the parathyroid tissue. Ischemic blockage was induced by tourniquet and the levels of parathyroid hormone (PTH) were assessed during the test. RESULTS: At the point of assessment, the ischemic blockage led to a significant reduction in the concentration of PTH (≥50% of the baseline value) in 19 patients (45%) indicating well-functioning autografts. In 11 patients (26%), ischemic blockage did not cause any change in the concentration of PTH (≤20% of the baseline value), indicating functioning residual parathyroid tissue from another site. The source of PTH production was classified as unidentifiable in five patients (12%). Two patients had developed graft-dependent recurrent HPT (5%) without therapeutic consequences and three patients suffered from persistent symptomatic hypoparathyroidism (7%). CONCLUSIONS: These results indicate that TPTX + AT into the tibialis anterior muscle is a successful surgical treatment for renal HPT and that the modified Casanova-test is a suitable diagnostic tool for autografts function.


Asunto(s)
Hiperparatiroidismo Secundario/cirugía , Músculo Esquelético/cirugía , Glándulas Paratiroides/trasplante , Paratiroidectomía , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Muslo , Factores de Tiempo , Trasplante Autólogo/métodos
12.
Obes Surg ; 25(4): 750-3, 2015 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-25663147

RESUMEN

The experience of stigmatization is widespread among obese patients. The aim of the present study was to translate the English version of the weight self-stigma questionnaire (WSSQ) into German and to evaluate the psychometric properties of the German version in a sample of severely obese persons. Between March and June 2013, in the Outpatient Department of Obesity, University Hospital Heidelberg, 94 obese patients were recruited consecutively. A comprehensive questionnaire was completed by the participants. Significant correlations between WSSQ scores and mental quality of life, weight-related quality of life, depression, shame, guilt, and psychological distress all demonstrated the construct validity of the German version of the WSSQ. Patients with a BMI ≥ 50 showed a significantly higher self-stigma compared to patients with a BMI between 35 and 50.


Asunto(s)
Peso Corporal , Obesidad Mórbida/psicología , Psicometría/métodos , Autoimagen , Estereotipo , Encuestas y Cuestionarios , Traducciones , Adulto , Anciano , Depresión/epidemiología , Depresión/psicología , Femenino , Humanos , Lenguaje , Masculino , Persona de Mediana Edad , Obesidad Mórbida/epidemiología , Calidad de Vida , Reproducibilidad de los Resultados , Vergüenza , Estigma Social , Adulto Joven
13.
Mol Metab ; 2(3): 314-23, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-24049743

RESUMEN

Altered adipose tissue formation is a well-known effectors of obesity and T2D. Here, we describe the role of Lrh1 and its co-repressor Shp in the control of adipocyte formation. Expression of Lrh1 in the pre-adipocyte containing SVF is induced in obese mice models and humans while Shp expression is reduced. We demonstrate, that Lrh1 is an inhibitor of adipogenesis while Shp acts functions as an activator through repression of Lrh1 activity. This regulation is at least in part modulated by estradiol conversion through the regulation of Cyp19a1 gene expression. In vivo, loss of Lrh1 leads to induced adipogenesis, while loss of Shp causes uncontrolled activation of Lrh1 and reduced adipogenesis. As Shp expression has been linked to the development of obesity and metabolic disorders, it is possible that alterations of the Shp/Lrh1 network lead to changes in adipocyte formation, which might contribute to the development of obesity associated T2D.

14.
Trials ; 14: 183, 2013 Jun 20.
Artículo en Inglés | MEDLINE | ID: mdl-23782896

RESUMEN

BACKGROUND: Type 2 diabetes mellitus (T2DM) is a disease with high prevalence, associated with severe co-morbidities as well as being a huge burden on public health. It is known that glycemic control decreases long-term morbidity and mortality. The current standard therapy for T2DM is medical treatment. Several randomized controlled trials (RCTs) performed in obese patients showed remission of T2DM after bariatric surgery. Recent RCTs have shown bariatric procedures to produce a similar effect in non-morbidly and non-severely obese, insulin-dependent T2DM patients suggesting procedures currently used in bariatric surgery as new therapeutical approach in patients with T2DM. This study aims at investigating whether Roux-en-Y gastric bypass (RYGB) is an efficient treatment for non-severely obese T2DM patients in terms of preventing long-term complications and mortality. METHODS: The DiaSurg 2 trial is a multicenter, open randomized controlled trial comparing RYGB including standardized medical treatment if needed to exclusive standardized medical treatment of T2DM (control group). The primary endpoint is a composite time-to-event endpoint (cardiovascular death, myocardial infarction, coronary bypass, percutaneous coronary intervention, non-fatal stroke, amputation, surgery for peripheral atherosclerotic artery disease), with a follow-up period of 8 years. Insulin-dependent T2DM patients aged between 30 and 65 years will be included and randomly assigned to one of the two groups. The experimental group will receive RYGB and, if needed, standardized medical care, whereas the control group will receive exclusive standardized medical care, both according to the national treatment guidelines for T2DM. Statistical analysis is based on Cox proportional hazards regression for the intention-to-treat population. Assuming a loss to follow-up rate of 20%, 200 patients will be randomly allocated to the comparison groups. A total sample size of n=400 is sufficient to ensure 80% power in a two-tailed significance test at alpha=5%. DISCUSSION: The DiaSurg2 trial will yield long-term data (8 years) on diabetes-associated morbidity and mortality in patients with insulin-dependent T2DM receiving either RYGB or standardized medical care. TRIAL REGISTRATION: The trial protocol has been registered in the German Clinical Trials Register DRKS00004550.


Asunto(s)
Índice de Masa Corporal , Diabetes Mellitus Tipo 2/terapia , Derivación Gástrica , Hipoglucemiantes/uso terapéutico , Obesidad/cirugía , Proyectos de Investigación , Adulto , Anciano , Anastomosis en-Y de Roux , Protocolos Clínicos , Diabetes Mellitus Tipo 2/sangre , Diabetes Mellitus Tipo 2/diagnóstico , Diabetes Mellitus Tipo 2/mortalidad , Progresión de la Enfermedad , Femenino , Alemania , Humanos , Análisis de Intención de Tratar , Masculino , Persona de Mediana Edad , Obesidad/complicaciones , Obesidad/diagnóstico , Obesidad/mortalidad , Modelos de Riesgos Proporcionales , Factores de Riesgo , Tamaño de la Muestra , Factores de Tiempo , Resultado del Tratamiento , Pérdida de Peso
15.
Cell Metab ; 17(4): 575-85, 2013 Apr 02.
Artículo en Inglés | MEDLINE | ID: mdl-23499424

RESUMEN

Lipid mobilization (lipolysis) in white adipose tissue (WAT) critically controls lipid turnover and adiposity in humans. While the acute regulation of lipolysis has been studied in detail, the transcriptional determinants of WAT lipolytic activity remain still largely unexplored. Here we show that the genetic inactivation of transcriptional cofactor transducin beta-like-related 1(TBLR1) blunts the lipolytic response of white adipocytes through the impairment of cAMP-dependent signal transduction. Indeed, mice lacking TBLR1 in adipocytes are defective in fasting-induced lipid mobilization and, when placed on a high-fat-diet, show aggravated adiposity, glucose intolerance, and insulin resistance. TBLR1 levels are found to increase under lipolytic conditions in WAT of both human patients and mice, correlating with serum free fatty acids (FFAs). As a critical regulator of WAT cAMP signaling and lipid mobilization, proper activity of TBLR1 in adipocytes might thus represent a critical molecular checkpoint for the prevention of metabolic dysfunction in subjects with obesity-related disorders.


Asunto(s)
Tejido Adiposo Blanco/metabolismo , Movilización Lipídica/fisiología , Receptores Citoplasmáticos y Nucleares/metabolismo , Células 3T3-L1 , Animales , AMP Cíclico/metabolismo , Dieta Alta en Grasa , Ácidos Grasos no Esterificados/sangre , Humanos , Resistencia a la Insulina , Lipólisis , Ratones , Ratones Endogámicos C57BL , Ratones Noqueados , Ratones Obesos , Obesidad/metabolismo , Obesidad/patología , Interferencia de ARN , ARN Mensajero/metabolismo , ARN Interferente Pequeño/metabolismo , Receptores Adrenérgicos/genética , Receptores Adrenérgicos/metabolismo , Receptores Citoplasmáticos y Nucleares/antagonistas & inhibidores , Receptores Citoplasmáticos y Nucleares/genética , Transducción de Señal
17.
Atherosclerosis ; 223(1): 190-6, 2012 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-22633472

RESUMEN

OBJECTIVE: Lowering LDL-cholesterol by statins has been proven to be associated with reduction of proinflammatory regulators e.g. activation of the transcription factor NF-κB. To our knowledge, anti-inflammatory potential of newer cholesterol lowering agents such as ezetimibe is less intensively studied. Therefore we analyzed the effects of equipotent LDL-lowering therapy with simvastatin alone compared to a combination with ezetimibe on NF-κB activation in peripheral blood mononuclear cells (PBMCs) of patients with type 2 diabetes. METHODS: Thirty-one patients with type 2 diabetes were included in a double-blind, randomized trial receiving either 80 mg simvastatin (sim80; n = 10) or a combination of 10 mg simvastatin and 10 mg ezetimibe (sim10eze10; n = 11) or placebo (n = 9) for eight weeks. NF-κB binding activity and inflammatory markers (IL-6, hsCRP) were analyzed at baseline and after eight weeks of treatment. NF-κB binding activity was analyzed by electrophoretic mobility shift assay. IL-6 and hsCRP were measured by ELISA. RESULTS: After eight weeks of treatment LDL-cholesterol was lowered to the same extent in both treatment groups (p = 0.40) but not in placebo. However, patients taking sim80 showed a significant reduction of mononuclear NF-κB binding activity compared to baseline (p = 0.009) while no effect was observed in the sim10eze10 group (p = 0.79). Similar differences in anti-inflammatory effects were also observed when analyzing hsCRP (sim80: p = 0.03; sim10eze10: p = 0.40) and IL-6 levels (sim80: p = 0.15; sim10eze10: p = 0.95). CONCLUSION: High dose simvastatin therapy reduces proinflammatory transcription factor NF-κB binding activity and hsCRP levels, while combination of low dose simvastatin with ezetimibe resulting in a similar LDL-reduction does not affect these inflammatory markers.


Asunto(s)
Antiinflamatorios/administración & dosificación , Azetidinas/administración & dosificación , LDL-Colesterol/sangre , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Inhibidores de Hidroximetilglutaril-CoA Reductasas/administración & dosificación , Hipercolesterolemia/tratamiento farmacológico , Inflamación/tratamiento farmacológico , FN-kappa B/sangre , Simvastatina/administración & dosificación , Anciano , Biomarcadores/sangre , Proteína C-Reactiva/metabolismo , Diabetes Mellitus Tipo 2/sangre , Diabetes Mellitus Tipo 2/inmunología , Método Doble Ciego , Regulación hacia Abajo , Combinación de Medicamentos , Ensayo de Cambio de Movilidad Electroforética , Ensayo de Inmunoadsorción Enzimática , Combinación Ezetimiba y Simvastatina , Femenino , Alemania , Humanos , Hipercolesterolemia/sangre , Hipercolesterolemia/inmunología , Inflamación/sangre , Inflamación/inmunología , Mediadores de Inflamación/sangre , Interleucina-6/sangre , Masculino , Persona de Mediana Edad , Factores de Tiempo , Resultado del Tratamiento
18.
Med Sci Monit ; 18(2): CS5-7, 2012 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-22293885

RESUMEN

BACKGROUND: Hypercalcemia is a common problem in clinical practice and can be related to endocrine disorders or malignant disease, especially in elderly patients. Although rare, other causes can also be responsible. CASE REPORT: Granulomatous inflammation of the skin and lymph nodes induced by intravenous or injectable silicone is a rare condition of hypercalcemia that is usually not within the scope of differential diagnosis. Here, we report a 72-year-old woman with symptomatic hypercalcemia related to cosmetic treatment of the neck. Topical applied liquid silicone by means of a focal ultrasound device induced extensive granulomatous inflammation of the skin and local lymph nodes, being the underlying cause for hypercalcemia in this case. CONCLUSIONS: In rare cases, symptomatic hypercalcemia can be caused by silicone due to a severe granulomatous tissue reaction. This is the first time that a transdermal silicone treatment has been reported to cause severe granulomatous tissue inflammation.


Asunto(s)
Cosméticos/efectos adversos , Hipercalcemia/inducido químicamente , Siliconas/efectos adversos , Anciano , Diagnóstico Diferencial , Femenino , Humanos , Hipercalcemia/diagnóstico
19.
Eur J Med Res ; 16(8): 375-80, 2011 Aug 08.
Artículo en Inglés | MEDLINE | ID: mdl-21813380

RESUMEN

BACKGROUND: Postoperative hyperthyroidism occurs in approximately one third of patients following parathyroidectomy due to primary hyperparathyroidism (PHP), but has only rarely been described in secondary hyperparathyroidism (SHP). The frequency, course, and laboratory markers of postoperative hyperthyroidism in SHP remain unknown. Our purpose was to evaluate the frequency and the clinical course of postoperative hyperthyroidism following surgery of SHP and to determine the diagnostic value of thyroglobulin in this setting. MATERIAL AND METHODS: A total of 40 patients undergoing parathyroidectomy because of SHP were included in this study. Thyroid stimulating hormone (TSH), free triiodothyronine (fT3), free thyroxine (fT4), and thyroglobulin (Tg) were determined one day before and on day 1, 3, 5, 10, and 40 after surgery. At each of these visits patients were clinically evaluated for signs or symptoms of hyperthyroidism. RESULTS: Biochemical evidence of hyperthyroidism was evident in 77% of patients postoperatively despite of preoperatively normal serum levels. TSH dropped from 1.18 ± 0.06mU/L to 0.15 ± 0.07mU/L (p = 0.0015). Free triiodothyronine (fT3) and fT4 levels increased from 2.86 ± 0.02ng/L and 10.32 ± 0.13ng/L, respectively, to their maximum of 4.83 ± 0.17ng/L and 19.35 ± 0.58ng/L, respectively. Thyroglobulin levels rose from 3.8 ± 0.8ng/mL to 111.8 ± 45.3ng/mL (p<0.001). At day 40 all thyroid related laboratory values were within normal range. Correlation analysis of postoperative values revealed significant correlations for lowest TSH (r = -0.32; p = 0.038), and highest fT3 (r = 0.55; p<0.001) and fT4 levels (r = 0.67; p<0.001) with Tg. CONCLUSION: Transient hyperthyroidism is frequent after parathyroidectomy for SHP with Tg being a suitable marker. Awareness of this self-limiting disorder is important to avoid inappropriate and potentially harmful treatment.


Asunto(s)
Hiperparatiroidismo Secundario/cirugía , Hipertiroidismo/diagnóstico , Adulto , Femenino , Humanos , Hiperparatiroidismo Secundario/complicaciones , Hiperparatiroidismo Secundario/metabolismo , Hipertiroidismo/complicaciones , Masculino , Persona de Mediana Edad , Complicaciones Posoperatorias , Estudios Prospectivos , Procedimientos Quirúrgicos Operativos/efectos adversos , Tiroglobulina/metabolismo , Tirotropina/metabolismo , Tiroxina/metabolismo , Factores de Tiempo , Triyodotironina/metabolismo
20.
J Vasc Interv Radiol ; 21(5): 701-9, 2010 May.
Artículo en Inglés | MEDLINE | ID: mdl-20304677

RESUMEN

PURPOSE: Kyphoplasty immediately improves pain and mobility in patients with painful osteoporotic vertebral fractures, but long-term clinical outcomes are still unclear. This controlled trial evaluates pain, mobility and fracture incidence 3 years after kyphoplasty. MATERIALS AND METHODS: Kyphoplasty was performed in 40 patients with painful osteoporotic vertebral fractures; 20 patients who were selected for kyphoplasty but chose not to undergo the procedure served as controls. All patients received pharmacologic antiosteoporosis treatment, pain medication, and physiotherapy. Pain (visual analog scale of 0-100), mobility (European Vertebral Osteoporosis Study questionnaire score of 0-100), and incident vertebral fractures were assessed at baseline, postprocedurally, and after 12 and 36 months. RESULTS: Pain score improved after kyphoplasty from 73.8 to 55.9 (immediately after kyphoplasty), 55.6 (12 months), and 54.0 (36 months; P < .001). Pain score in the control group changed from 66.4 to 65.7 at 12 months and 64.0 at 36 months (P = .521). The pain score of the kyphoplasty group was significantly improved versus controls after 36 months (P = .023). Mobility score improved after kyphoplasty from 43.8 to 54.2 (immediately after kyphoplasty), 54.5 (12 months), and 54.8 (36 months; P = .0008) and remained increased (P = .308) compared with controls (39.8 immediately after kyphoplasty, 44.3 at 12 months, and 43.6 at 36 months). The incidence of new vertebral fractures after kyphoplasty was significantly reduced versus controls after 3 years (P = .0341). CONCLUSIONS: Kyphoplasty reduces pain and improves mobility as long as 3 years after the procedure. The long-term risk of new vertebral fractures after kyphoplasty of chronically painful vertebral fractures is reduced versus controls.


Asunto(s)
Dolor de Espalda/etiología , Dolor de Espalda/cirugía , Fracturas Espontáneas/etiología , Osteoporosis/complicaciones , Osteoporosis/cirugía , Fracturas de la Columna Vertebral/etiología , Fracturas de la Columna Vertebral/cirugía , Anciano , Femenino , Fracturas Espontáneas/cirugía , Humanos , Estudios Longitudinales , Masculino , Resultado del Tratamiento
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