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1.
Osteoporos Int ; 34(6): 1119-1125, 2023 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-37022466

RESUMEN

Our imminent model was less sensitive but more selective than FRAX® in the choice of treatment to prevent imminent fractures. This new model decreased NNT by 30%, which could reduce the treatment costs. In the Belgian FRISBEE cohort, the effect of recency further decreased the selectivity of FRAX®. PURPOSE: We analyzed the selection for treatment of patients at high risk of fracture by the Belgian FRISBEE imminent model and the FRAX® tool. METHODS: We identified in the FRISBEE cohort subjects who sustained an incident MOF (mean age 76.5 ± 6.8 years). We calculated their estimated 10-year risk of fracture using FRAX® before and after adjustment for recency and the 2-year probability of fracture using the FRISBEE model. RESULTS: After 6.8 years of follow-up, we validated 480 incident and 54 imminent MOFs. Of the subjects who had an imminent fracture, 94.0% had a fracture risk estimated above 20% by the FRAX® before correction for recency and 98.1% after adjustment, with a specificity of 20.2% and 5.9%, respectively. The sensitivity and specificity of the FRISBEE model at 2 years were 72.2% and 55.4%, respectively, for a threshold of 10%. For these thresholds, 47.3% of the patients were identified at high risk in both models before the correction, and 17.2% of them had an imminent MOF. The adjustment for recency did not change this selection. Before the correction, 34.2% of patients were selected for treatment by FRAX® only, and 18.8% would have had an imminent MOF. This percentage increased to 47% after the adjustment for recency, but only 6% of those would suffer a MOF within 2 years. CONCLUSION: In our Belgian FRISBEE cohort, the imminent model was less sensitive but more selective in the selection of subjects in whom an imminent fracture should be prevented, resulting in a lower NNT. The correction for recency in this elderly population further decreased the selectivity of FRAX®. These data should be validated in additional cohorts before using them in everyday practice.


Asunto(s)
Fracturas de Cadera , Fracturas Osteoporóticas , Humanos , Anciano , Anciano de 80 o más Años , Fracturas Osteoporóticas/epidemiología , Fracturas Osteoporóticas/etiología , Fracturas Osteoporóticas/prevención & control , Selección de Paciente , Densidad Ósea , Factores de Riesgo , Medición de Riesgo/métodos , Bélgica/epidemiología , Fracturas de Cadera/epidemiología , Fracturas de Cadera/etiología , Fracturas de Cadera/prevención & control
2.
Osteoporos Int ; 32(6): 1093-1101, 2021 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-33411010

RESUMEN

Multiple factors increase the risk of an imminent fracture, including a recent fracture, older age, osteoporosis, comorbidities, and the fracture site. These findings could be a first step in the development of a model to predict an imminent fracture and select patients most at need of immediate treatment. INTRODUCTION: The risk of a recurrent fragility fracture is maximal during the first 2 years following an incident fracture. In this prospective cohort study, we looked at the incidence of recurrent fractures within 2 years after a first incident fracture and we assessed independent clinical risk factors (CRFs) increasing this imminent fracture risk. METHODS: A total of 3560 postmenopausal women recruited from 2007 to 2013 were surveyed yearly for the occurrence of fragility fractures. We identified patients who sustained a fracture during the first 2 years following a first incident fragility fracture. We quantified the risk of a new fracture and assessed independent CRFs, associated with an imminent fracture at various sites. RESULTS: A recent fracture was a significant CRF for an imminent fracture (OR (95% CI): 3.7 (2.4-5.7) [p < 0.0001]). The incidence of an imminent fracture was higher in subjects above 80 years (p < 0.001). Other CRFs highly predictive in a multivariate analysis were osteoporosis diagnosis (p < 0.01), a central fracture as the index fracture (p < 0.01), and the presence of comorbidities (p < 0.05), with likelihood ratios of 1.9, 1.9, and 2.2, respectively. An imminent fracture was better predicted by a central fracture (p < 0.01) than by a major osteoporotic fracture. The hazard ratio was the highest for a central fracture. CONCLUSION: In patients with a recent fracture, older age, osteoporosis, comorbidities, and fracture site were associated with an imminent fracture risk. These findings could be a first step in the development of a model to predict an imminent fracture and select patients most at need of immediate and most appropriate treatment.


Asunto(s)
Osteoporosis , Fracturas Osteoporóticas , Anciano , Femenino , Humanos , Incidencia , Fracturas Osteoporóticas/epidemiología , Fracturas Osteoporóticas/etiología , Estudios Prospectivos , Factores de Riesgo
3.
Bone ; 143: 115613, 2021 02.
Artículo en Inglés | MEDLINE | ID: mdl-32871273

RESUMEN

Areal bone mineral density (aBMD) has a low sensitivity to identify women at high fracture risk. The FRAX algorithm, by combining several clinical risk factors, might improve fracture prediction compared to aBMD alone. Several micro-architectural and biomechanical parameters which can be measured by high-resolution peripheral quantitative computed tomography (HR-pQCT) are associated with fracture risk. HR-pQCT in combination or not with finite element analysis (FEA) may be used to improve bone strength prediction. Our aim was to assess whether HR-pQCT measurements (densities, cortical and trabecular microarchitecture, biomechanical proprieties assessed by FEA) had an added value in predicting fractures in a subgroup of women belonging to the Belgian FRISBEE cohort. One hundred nineteen women who sustained a fracture (aged 60 to 85 years) during the initial follow-up of our cohort had a radius and tibia examination by HR-pQCT and were compared with controls matched for their FRAX score at baseline. We found that low distal radius total (OR = 1.41 [1.07-1.86] per SD, p < 0.05) and trabecular densities (OR = 1.45 [1.10-1.90], p < 0.01), trabecular number (OR = 1.32 [1.01-1.72], p < 0.05), intra individual distribution of separation (OR = 0.73 [0.54-0.99], p < 0.05) as several FEA parameters were significantly associated with fractures. At the distal tibia, impaired cortical density (OR = 1.32 [1.03-1.70] per SD, p < 0.05) and thickness (OR = 1.29 [1.01-1.63], p < 0.05) and apparent modulus (OR = 1.30 [1.01-1.66], p < 0.05) were significantly correlated with fractures. A low ultra distal radial aBMD (UDR) measured at the time of HR-pQCT was significantly associated with fractures (OR = 1.67 [1.22-2.28], p < 0.01). Women from both groups were followed further after the realization of the HR-pQCT and 46 new fractures were registered. In this second part of the study, low UDR aBMD (OR = 1.66 [1.18-2.35], p < 0.01), total (OR = 1.48 [1.08-2.03], p < 0.05), cortical (OR = 1.40 [1.04-1.87], p < 0.05) and trabecular (OR = 1.37 [1.01-1.85], p < 0.05) densities or apparent modulus (OR = 1.49 [1.07-2.05], p < 0.05) at the radius were associated with a significant increase of fracture risk. At the tibia, only the cortical density was significantly associated with the fracture risk (OR = 1.34 [1.02-2.76], p < 0.05). These results confirm the interest of HR-pQCT measurements for the evaluation of fracture risk, also in women matched for their baseline FRAX score. They also highlight that UDR aBMD contains pertinent information.


Asunto(s)
Fracturas Osteoporóticas , Absorciometría de Fotón , Densidad Ósea , Femenino , Humanos , Radio (Anatomía)/diagnóstico por imagen , Tibia/diagnóstico por imagen , Tomografía Computarizada por Rayos X
4.
Bone Rep ; 12: 100256, 2020 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-32382588

RESUMEN

We assessed the validity of self-reported fractures, over a median follow-up period of 6.2 years, in a well characterized population-based cohort of 3560 postmenopausal women, aged 60-85 years, from the Fracture Risk Brussels Epidemiological Enquiry (FRISBEE) study. Incident low-traumatic (falls from a standing height or less) or non-traumatic fractures, including peripheral fractures, were registered during each annual follow-up telephone interview. A self-reported fracture was considered as a true positive if it was validated by written reliable medical reports (radiographs, CT scans or surgical report). False positives fractures were considered to be those for which the radiology report indicated that there was no fracture at the reported site. Among self-reported fractures, false positive rates were 14.4% for all fractures. The rate of false positives of 11.2% (n = 48/429) was not negligible for the four classical major osteoporotic fractures (MOFs: hip, clinical spine, forearm or shoulder fractures). In terms of fracture site, we found the lowest false positive rate (4.4%) at the hip, and the highest (16.8%) at the spine, with the proximal humerus and the wrist in between, at about 10% each. The global rates of false positives were 12.5% (n = 22/176) for other major fractures and 22.3% (n = 49/220) for minor fractures. Younger subjects, individuals with fractures at sites other than the hip, with a lower education level, or with a higher BMI were more likely to report false positive fractures. Our data indicate that the inaccuracy of self-reported fractures is clinically relevant for several major fractures, which could influence any fracture risk prediction model.

5.
Osteoporos Int ; 31(7): 1377-1382, 2020 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-32128600

RESUMEN

Despite the availability of efficient drugs to prevent osteoporotic fractures, only a minority of women receives osteoporosis therapy after a fracture. The high treatment gap in our cohort consisted of unselected volunteer patients highlights the urgent need of additional education, especially for the medical profession, regarding the risk-benefit balance of treatment. INTRODUCTION: Despite the availability of efficient drugs to prevent osteoporotic fractures, only a minority of women receives osteoporosis therapy after a fracture, with a treatment gap around 80%. This can have dramatic consequences for patients and the healthcare systems. METHODS: In this study based on longitudinal data from the FRISBEE (Fracture RIsk Brussels Epidemiological Enquiry) cohort of 3560 volunteer women aged 60 to 85 years, we evaluated the 1-year treatment gap after a first major incident fragility fracture. RESULTS: There were 386 first validated fragility fractures, 285 major osteoporotic fractures (MOF) and 101 "other major" fractures. The rate of untreated patients was 85.0% (82.8% for MOF versus 91.0 % for "other major" fracture sites) (p = 0.04), with a lower rate for spine (70.5%) and hip (72.5%) versus shoulder (91.6%) and wrist (94.1%) (p < 0.0001). More specifically, the treatment gap for patients with osteoporosis, defined by a T-score < - 2.5 SD was 74.6% versus 76.5% for patients with osteoporosis defined by the presence of hip, shoulder, or spine fractures, independently of DXA results. When considering age groups, the rate of untreated women was 87.9% for women 60-70 years old, 88.2% between 70 and 80 years and 77.8% above 80 years (p = 0.03), with a greater difference between women who were younger or older than 80 years at inclusion: 88.1% versus 77.8% (p = 0.009). A diagnosis of osteoporosis (p = 0.01) and age (p = 0.03) were the only clinical risk factors (CRFs) significantly associated with treatment initiation. CONCLUSIONS: This study highlights the urgent need of additional education, especially for the medical profession, regarding the risk-benefit balance of treatment.


Asunto(s)
Osteoporosis , Fracturas Osteoporóticas , Anciano , Anciano de 80 o más Años , Densidad Ósea , Femenino , Humanos , Persona de Mediana Edad , Fracturas Osteoporóticas/epidemiología , Fracturas Osteoporóticas/prevención & control , Estudios Prospectivos , Voluntarios
6.
JBMR Plus ; 3(12): e10238, 2019 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-31844826

RESUMEN

Several clinical risk factors (CRFs) have been shown to predict the risk of fragility fractures independently of BMD, but their accuracy in the prediction of a particular fracture site has not been extensively studied. In this study based on longitudinal data from the FRISBEE cohort (Fracture Risk Brussels Epidemiological Enquiry), we evaluated if CRFs are specific for sites of incident osteoporotic fractures during follow-up. We recruited 3560 postmenopausal women, aged 60 to 85 years, from 2007 to 2013, and surveyed yearly for the occurrence of fragility fractures during 6.2 years (median). We analyzed the association between CRFs included in the FRAX (fracture risk assessment tool) model or additional CRFs (falls, sedentary lifestyle, early untreated menopause, diabetes, use of selective serotonin reuptake inhibitors or proton pump inhibitors) and the first incident validated major osteoporotic fracture (MOF; n = 362; vertebra, hip, shoulder, and wrist) or other major fractures (n = 74; ankle, pelvis/sacrum, elbow, knee, long bones). Uni- and multivariate analyses using the Cox proportional hazards model were used. For MOFs considered together, the risk of fracture was highly associated in uni- and multivariate analyses (p<0.01) with osteoporosis (T-score < -2.5), prior fracture, age, BMD (assessed by DXA), and fall history (HR 2.34, 1.82,1.71, 1.38, and 1.32, respectively). For each site analyzed separately, prior OF, age, smoking, and total hip BMD remained independent predictors for hip fractures (HR 5.72, 3.98, 3.10, 2.32, and 1.92, respectively); osteoporosis, age, prior OF, glucocorticoids, and spine BMD for vertebral fracture (HR 2.08, 1.87, 1.78, 1.76, and 1.45, respectively); osteoporosis, prior OF, and femoral neck BMD (HR 1.83, 1.60, and 1.56, respectively) for wrist fracture; osteoporosis, prior OF, and spine BMD (HR 2.48, 1.78, and 1.31, respectively) for shoulder fracture; prior OF and diabetes (HR 2.62 and 2.03) for other major fractures. Thus, a prior fracture and BMD were the best predictors of fracture risk at any site. Other CRFs have a weaker predictive value, which is a function of the site of a future fracture. © 2019 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.

7.
Rev Med Brux ; 39(4): 394-398, 2018.
Artículo en Francés | MEDLINE | ID: mdl-30321005

RESUMEN

Over-medicalization is a broad concept, which also concerns the elderly patient. It encompasses both over-diagnosis and over-treatment. An increasing awareness of this issue has emerged since 2013, with the first " Preventing Overdiagnosis " conference. Currently, Evidence-Based Medicine does not prevent over-diagnosis. Indeed, the presence of geriatric characteristics such as multiple comorbidities, polypharmacy and frailty can lead to misdiagnosis and to potentially deleterious treatment. Subclinical hypothyroidism and Alzheimer's disease are two examples of pitfalls in the interpretation of biological and para-clinical data that may lead to the administration of useless treatment. Different issues are discussed to identify the causes of over-medicalization and to better prevent it.


La surmédicalisation est un concept large, qui concerne également le patient âgé. Elle englobe à la fois le surdiagnostic et sa conséquence à savoir le surtraitement. Une sensibilisation à ce sujet a émergé depuis 2013, date du premier congrès " Preventing Overdiagnosis ". Actuellement, l'Evidence-Based Medicine ne permet pas d'éviter le surdiagnostic chez le patient âgé. En effet, la présence de caracté- ristiques gériatriques telles que les multiples comorbidités, la polymédication et la fragilité peut mener à l'élaboration d'un diagnostic erroné et à l'instauration d'un traitement potentiellement délétère. L'hypothyroïdie subclinique et la maladie d'Alzheimer sont deux exemples de pièges potentiels à l'interprétation de données biologiques et paracliniques pouvant mener à l'administration d'un traitement futile. Différentes pistes sont abordées pour identifier les causes de la surmédicalisation et mieux la prévenir.


Asunto(s)
Uso Excesivo de los Servicios de Salud/prevención & control , Anciano , Servicios de Salud para Ancianos , Humanos
8.
Ann Oncol ; 29(2): 332-340, 2018 02 01.
Artículo en Inglés | MEDLINE | ID: mdl-29206891

RESUMEN

Background: With the introduction of the anti-CD20 antibody rituximab, the outcome of patients with follicular lymphoma (FL) has greatly improved over the last two decades. First-line prolonged rituximab monotherapy is effective, achieving long-term remission and prolonged failure-free survival in some patients. Additionally, rituximab has been shown to synergize with chemotherapeutic and novel targeted agents alike with measurable gains in duration of response. As such, rituximab has made its mark in the treatment of FL and remains a valid agent despite the availability of newer monoclonal antibodies. This review summarizes the evolving role of rituximab as the first available anti-CD20 monoclonal antibody, emphasizing its clear activity as a single agent and in combination with chemotherapy or molecular targeted agents, and setting the standard for the development of new anti-CD20 monoclonal antibodies. Conclusion: We provide data that support the ongoing use of rituximab as a therapeutic partner for novel agents in future clinical trials exploring chemotherapy-free alternatives.


Asunto(s)
Antineoplásicos Inmunológicos/uso terapéutico , Linfoma Folicular/tratamiento farmacológico , Rituximab/uso terapéutico , Humanos
9.
Maturitas ; 106: 1-7, 2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-29150162

RESUMEN

OBJECTIVES: The estimation of fracture risk using clinical risk factors (CRFs) is of primary concern in osteoporosis management, but only some risk factors have been thoroughly evaluated and incorporated in predictive models. We have launched a large prospective study, the 'Fracture Risk Brussels Epidemiological Enquiry' (FRISBEE), to develop a new predictive model for osteoporotic fractures. The aims of this report are to describe the methodology of the FRISBEE study and to compare the distribution of CRFs in our cohort with those reported in other large studies. STUDY DESIGN: FRISBEE is a new study that prospectively evaluates a cohort of 3560 post-menopausal women (aged 60-85 years) followed yearly for the occurrence of fragility fractures. Multiple validated CRFs, densitometry (DXA) values and intake of medication were systematically registered at baseline. The distribution of the FRISBEE CRFs has been compared with the distributions of CRFs in the cohorts used to develop the FRAX® model as well as in more recent cohorts. For these recent cohorts, we focused on CRFs not included in FRAX®. RESULTS: The most frequently encountered CRFs used in FRAX® were a prior fragility fracture (27.1%) and a parental history of hip fracture (13.4%). The prevalence of some CRFs not integrated in FRAX® was relatively high, such as the use of proton pump inhibitors (20.8%) and a history of fall(s) (19.7%). The prevalence of many CRFs was quite variable between cohorts; for example, the prevalence of 'personal prior fragility fracture' ranged from 9% to 51%. CONCLUSION: We found considerable heterogeneity in the prevalence of CRFs between cohort studies. The impact of these differences on the predictive value of a particular CRF is unknown. We will construct a predictive model calibrated to the Belgian population. More importantly, the FRISBEE study should allow us to determine the predictive value of newly recognized CRFs in addition to the FRAX® algorithm to reliably estimate fracture risk.


Asunto(s)
Fracturas Osteoporóticas/epidemiología , Accidentes por Caídas , Anciano , Anciano de 80 o más Años , Algoritmos , Bélgica/epidemiología , Femenino , Humanos , Persona de Mediana Edad , Posmenopausia , Prevalencia , Estudios Prospectivos , Factores de Riesgo
10.
Acta Clin Belg ; 70(5): 375-6, 2015 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-26278630

RESUMEN

We describe a case of acquired hepatocerebral degeneration (AHD) presenting with confusion and worsening memory problems since her discharge from the gastroenterology units. Cases of AHD are rare and are frequently confused with hepatic encephalopathy and Wilson's disease. There are no proven pharmacological therapies for AHD. Information regarding the effect of orthotopic liver transplant on AHD is limited and conflicting. Most patients eventually die from the systemic complications of cirrhotic liver failure including infection, hepatic coma and hepatocellular carcinoma.


Asunto(s)
Degeneración Hepatolenticular/diagnóstico , Enfermedad del Hígado Graso no Alcohólico/complicaciones , Anciano , Resultado Fatal , Femenino , Degeneración Hepatolenticular/etiología , Humanos
11.
B-ENT ; 10(2): 149-55, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-25090814

RESUMEN

BACKGROUND: Oncogenic osteomalacia (OOM) is a rare paraneoplastic syndrome characterized by hypophosphatemia and overexpression of a phosphaturic agent, fibroblast growth factor 23 (FGF23). OOM is associated with a variety of mesenchymal tumours referred to as phosphaturic mesenchymal tumours. Head and neck regions are concerned in 5-10% of cases. METHODS AND RESULTS: We report the case of a 42-year-old female with OOM caused by a hemangiopericytoma of the left ethmoid sinus. The period between first symptoms and surgical excision of the lesion was approximately 5 years. We also conducted a PubMed-based search to identify all cases of OOM related to sinonasal tumour. Twenty eight cases in the sinonasal area were reported in the literature. CONCLUSION: OOM is an important diagnosis because resection of the causative tumour results in cure of the disease.


Asunto(s)
Senos Etmoidales , Hemangiopericitoma/complicaciones , Neoplasias de Tejido Conjuntivo/etiología , Neoplasias de los Senos Paranasales/complicaciones , Síndromes Paraneoplásicos/complicaciones , Adulto , Femenino , Factor-23 de Crecimiento de Fibroblastos , Humanos , Osteomalacia
12.
Eur J Clin Microbiol Infect Dis ; 32(9): 1177-82, 2013 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-23558363

RESUMEN

The purposes of this study were to describe the epidemiology (2001-2009) of Clostridium difficile infections (CDI) in a geriatric department and to compare the clinical data of patients infected with a 027 or non-027 strain. We retrospectively identified all geriatric patients with CDI and analysed the clinical and microbiological data of 133 patients for whom a ribotype was available between March 2003 and December 2009. The incidence of CDI in our geriatric department increased from 0.2 per 100 admissions in 2001 to 8.1 in 2004 and decreased to 1.3 in 2008 before a new rise to 2.1 in 2009. The percentage of ribotype 027 decreased from 2007 but it remained the most prevalent ribotype during the years 2007-2009, with a greater dispersion of ribotypes. The mean age of the patients was 84 years and the median Charlson index was 6.0. Previous use of fluoroquinolones was a significant risk factor for developing a CDI with an 027 strain (p = 0.001). Cure was significantly lower in the 027 group (p = 0.003). The total attributable mortality was 24.1 %. A multiparametric model showed that attributable mortality was influenced by the ribotype 027 (p = 0.037), the severity of clinical symptoms (p = 0.001) and the type of treatment (p = 0.002). Oral vancomycin had a protective effect against mortality. Attention should be paid to elderly patients developing a CDI, especially after the administration of fluoroquinolones. Oral vancomycin could be recommended as the first-line agent not only to protect against recurrence or severe CDI, but to diminish the attributable mortality risk.


Asunto(s)
Clostridioides difficile/aislamiento & purificación , Infecciones por Clostridium/tratamiento farmacológico , Infecciones por Clostridium/epidemiología , Fluoroquinolonas/uso terapéutico , Vancomicina/uso terapéutico , Anciano de 80 o más Años , Antibacterianos/uso terapéutico , Clostridioides difficile/clasificación , Clostridioides difficile/efectos de los fármacos , Infecciones por Clostridium/mortalidad , Servicios de Salud para Ancianos , Humanos , Estudios Retrospectivos , Ribotipificación , Factores de Riesgo , Resultado del Tratamiento
13.
Acta Clin Belg ; 65(4): 276-8, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-20954469

RESUMEN

We describe a case of recurrent haemophagocytic syndrome (HS) in an HIV-infected patient.The first episode was associated with active human herpesvirus 8 infection and progressive Kaposi's sarcoma which was successfully treated with splenectomy, foscarnet and chemotherapy. The second episode was triggered by a Clostridium difficile colitis and resolved completely after treatment with metronidazole only. Recurrent HS has rarely been described in adult patients out of the setting of relapsing malignancy or autoimmune disease.The chronic immune dysregulation and suppression due to HIV-infection may predispose our patient to development of associated HS. Prognosis of HS remains poor, especially in HIV-infected patients. Rapidly unmasking the causative factor and timely instauration of adequate treatment are critical and may improve outcome.


Asunto(s)
Infecciones Oportunistas Relacionadas con el SIDA/diagnóstico , Linfohistiocitosis Hemofagocítica/diagnóstico , Sarcoma de Kaposi/diagnóstico , Infecciones Oportunistas Relacionadas con el SIDA/tratamiento farmacológico , Infecciones Oportunistas Relacionadas con el SIDA/cirugía , Adulto , Humanos , Linfohistiocitosis Hemofagocítica/tratamiento farmacológico , Linfohistiocitosis Hemofagocítica/cirugía , Masculino , Recurrencia , Sarcoma de Kaposi/tratamiento farmacológico , Esplenectomía
14.
Rev Med Brux ; 30(1): 5-10, 2009.
Artículo en Francés | MEDLINE | ID: mdl-19353937

RESUMEN

Blood levels of 25 hydroxyvitamin D (25(OH) vit D) were measured in 332 patients (192 women, mean age 69.1 +/- 17.8 SD and 140 men, 61.9 +/- 18) hospitalized in C.H.U. Brugmann for acute diseases without any link with vitamin D supply and/or metabolism. More than 60% of this population presented with serum concentrations below the lower limit of normal (12 ng/ml) whereas than less than 5% reached 30 ng/ml, a level generally recommended to avoid vitamin D insufficiency. The inverse relationship between blood levels of 25(OH) vit D and parathyroid hormone reinforced the opinion that 30 ng/ml is the minimum to reach to avoid secondary hyperparathyroidism. Young patients are nor at a lesser risk of vitamin D deficiency than the older patients, women showed a lesser deficiency than men. Factors likely to have contributed to vitamin D deficiency are a low social status and dark skin. In countries without abundant sun exposure, such as Belgium, systematic administration of vitamin D supplement is recommended, in particular in subjects at risk of deficiency, during autumn and winter, including all ages of life.


Asunto(s)
Pacientes Internos/estadística & datos numéricos , Deficiencia de Vitamina D/epidemiología , Anciano , Anciano de 80 o más Años , Bélgica/epidemiología , Calcifediol/sangre , Etnicidad , Femenino , Humanos , Masculino , Persona de Mediana Edad , Grupos Raciales , Caracteres Sexuales , Deficiencia de Vitamina D/sangre
15.
J Hosp Infect ; 68(1): 17-24, 2008 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-17942190

RESUMEN

The aim of this study was to identify institution-specific risk factors for meticillin resistance in Staphylococcus aureus bloodstream infection (BSI) and to evaluate the impact of meticillin resistance on mortality. A total of 154 episodes of S. aureus BSI were identified between 1 January 2002 and 31 December 2004: 66 meticillin-resistant S. aureus (MRSA) BSI and 88 meticillin-susceptible S. aureus (MSSA) BSI. Seventy-eight episodes (51%) were considered to be community-acquired and 76 (49%) as nosocomial. Risk factors associated with MRSA BSI included not living at home (P=0.001), prior antibiotic exposure (P=0.002), insulin-requiring diabetes (P=0.028) and nosocomial BSI (P=0.031), especially more than 12.5 days after admission. There was an association between BSI-related mortality and the following variables: septic shock (P<0.001), endocarditis (P=0.002) and MRSA BSI (P=0.021). In conclusion, S. aureus BSI is a serious condition, especially when septic shock or endocarditis occurs, and is aggravated by meticillin resistance. We advise glycopeptides as empirical therapy for patients not arriving from home, those exposed to antibiotics, and those with insulin-requiring diabetes and/or nosocomial BSI.


Asunto(s)
Bacteriemia/tratamiento farmacológico , Infección Hospitalaria/tratamiento farmacológico , Resistencia a la Meticilina , Infecciones Estafilocócicas/tratamiento farmacológico , Adulto , Anciano , Anciano de 80 o más Años , Bacteriemia/mortalidad , Bélgica/epidemiología , Portador Sano , Estudios de Cohortes , Infecciones Comunitarias Adquiridas/tratamiento farmacológico , Infecciones Comunitarias Adquiridas/mortalidad , Infección Hospitalaria/mortalidad , Femenino , Hogares para Ancianos , Hospitales Universitarios , Humanos , Masculino , Persona de Mediana Edad , Casas de Salud , Estudios Retrospectivos , Factores de Riesgo , Infecciones Estafilocócicas/mortalidad
16.
Clin Exp Rheumatol ; 25(1 Suppl 44): S31-3, 2007.
Artículo en Inglés | MEDLINE | ID: mdl-17428361

RESUMEN

Giant cell arteritis (GCA) is the most common vasculitis in Western countries in individuals over the age of 50. The diagnosis is relatively straightforward when typical features, such as headache, jaw claudication or other ischemic complications are present. Although atypical presentations of GCA have been described, herein we report for first time low back pain as the presenting manifestation of this vasculitis. We also emphasize the importance of considering the use of positron emission tomography (PET) in the evaluation of GCA patients presenting without "overt" cranial ischemic manifestations.


Asunto(s)
Aorta Abdominal/patología , Aorta Torácica/patología , Aortitis/patología , Arteritis de Células Gigantes/patología , Dolor de la Región Lumbar/patología , Administración Oral , Aortitis/complicaciones , Aortitis/tratamiento farmacológico , Aspirina/uso terapéutico , Quimioterapia Combinada , Femenino , Fluorodesoxiglucosa F18 , Arteritis de Células Gigantes/complicaciones , Arteritis de Células Gigantes/tratamiento farmacológico , Glucocorticoides/uso terapéutico , Humanos , Dolor de la Región Lumbar/tratamiento farmacológico , Dolor de la Región Lumbar/etiología , Metilprednisolona/uso terapéutico , Persona de Mediana Edad , Tomografía de Emisión de Positrones , Prednisolona/uso terapéutico , Inducción de Remisión , Resultado del Tratamiento
17.
Eur J Intern Med ; 17(7): 503-4, 2006 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-17098596

RESUMEN

Hemophagocytic syndrome (HPS) is a clinical entity that combines non-specific clinical and biological features. The diagnosis is usually confirmed by a bone marrow examination. HPS may be primary or secondary to a malignancy or to an infectious or autoimmune disease. Since it was first described, various agents have been implicated, including viruses, bacteria, and parasites. In HIV patients, many cases occur with lymphoma or with a variety of opportunistic infections due to CMV, HHV8, Pneumocystis carinii, Mycobacterium tuberculosis, MAC, toxoplasmosis, and even pneumococcus. We report here a case of an AIDS patient presenting a HPS secondary to an extracerebral form of systemic toxoplasmosis that was only revealed by specific PCR in tissue other than the CNS.

19.
Eur J Intern Med ; 13(4): 276-279, 2002 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-12067826

RESUMEN

The calcium-sensing receptor (Ca-R) is a G-protein-coupled surface receptor that plays a crucial role in calcium homeostasis via parathyroid hormone secretion. Mutations of this receptor can cause a gain in, or loss of, function, leading to hypo- or hypercalcemia, respectively. We report here a family with hypocalcemia in whom a heterozygous missense mutation in exon 4 was demonstrated, predicting a proline to leucine substitution (P221L) in the extracellular part of the Ca-R. Clinical symptoms were limited to fatigue. When serum calcium was further lowered via a citrate infusion, a significant increase in circulating iPTH was observed, although with lower peak values than in normal controls, suggesting a gain in function of the Ca-R. Treatment with calcium supplements and calcitriol led to prohibitive hypercalciuria without normalizing serum calcium. The aims of this case report are: (1) to present a mutation in the Ca-R with a gain in function at a codon where previously loss of function was described, and (2) to suggest that measuring circulating iPTH during a citrate infusion in the presence of familial hypocalcemia is an additional test to diagnose this particular form of hypoparathyroidism.

20.
Acta Gastroenterol Belg ; 64(3): 298-300, 2001.
Artículo en Inglés | MEDLINE | ID: mdl-11680052

RESUMEN

Acute pancreatitis is an unusual complication of systemic lupus erythematosus but can also stem from immunosuppressive therapy. Although abnormal liver tests are commonly seen in SLE, peliosis hepatis is very rarely described. We report here the first case of SLE associating a severe acute pancreatitis with peliosis hepatis who responded well to the immunosuppressive therapy. As suggested by the favourable outcome in this case, the presence of peliosis hepatis in SLE cannot not be held as a strong argument against an aggressive immunosuppressive therapy.


Asunto(s)
Lupus Eritematoso Sistémico/complicaciones , Pancreatitis/etiología , Peliosis Hepática/etiología , Enfermedad Aguda , Humanos , Masculino , Persona de Mediana Edad , Índice de Severidad de la Enfermedad
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