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1.
Epidemiol Psychiatr Sci ; 29: e80, 2019 Dec 16.
Artículo en Inglés | MEDLINE | ID: mdl-31839026

RESUMEN

AIMS: No instrument has been developed to explicitly assess the professional culture of mental health workers interacting with severely mentally ill people in publicly or privately run mental health care services. Because of theoretical and methodological concerns, we designed a self-administered questionnaire to assess the professional culture of mental health services workers. The study aims to validate this tool, named the Mental Health Professional Culture Inventory (MHPCI). The MHPCI adopts the notion of 'professional culture' as a hybrid construct between the individual and the organisational level that could be directly associated with the professional practices of mental health workers. METHODS: The MHPCI takes into consideration a multidimensional definition of professional culture and a discrete number of psychometrically derived dimensions related to meaningful professional behaviour. The questionnaire was created and developed by a conjoint Italian-Canadian research team with the purpose of obtaining a fully cross-cultural questionnaire and was pretested in a pilot study. Subsequently, a validation survey was conducted in northern Italy and in Canada (Montreal area, Quebec). Data analysis was conducted in different steps designed to maximise the cross-cultural adaptation of the questionnaire through a recursive procedure consisting of performing a principal component analysis (PCA) on the Italian sample (N = 221) and then testing the resulting factorial model on the Canadian sample (N = 237). Reliability was also assessed with a test-retest design. RESULTS: Four dimensions emerged in the PCA and were verified in the confirmatory factor analysis: family involvement, users' sexuality, therapeutic framework and management of aggression risk. All the scales displayed good internal consistency and reliability. CONCLUSIONS: This study suggests the MHPCI could be a valid and reliable instrument to measure the professional behaviour of mental health services workers. The content of the four scales is consistent with the literature on psychosocial rehabilitation, suggesting that the instrument could be used to evaluate staff behaviour regarding four crucial dimensions of mental health care.


Asunto(s)
Actitud del Personal de Salud/etnología , Competencia Cultural , Asistencia Sanitaria Culturalmente Competente , Personal de Salud/psicología , Servicios de Salud Mental/normas , Encuestas y Cuestionarios/normas , Adulto , Canadá , Comparación Transcultural , Humanos , Italia , Salud Mental , Persona de Mediana Edad , Cultura Organizacional , Psicometría , Reproducibilidad de los Resultados
2.
BJS Open ; 3(2): 161-168, 2019 04.
Artículo en Inglés | MEDLINE | ID: mdl-30957062

RESUMEN

Background: Society of Surgical Oncology and American Society for Radiation Oncology guidelines define clear margins in breast-conserving therapy (BCT) as 'no ink on tumour', in contrast to the attainment of margins of at least 1 mm widely practised in the UK. The primary aim of this study was to explore clinical, surgical and tumour-related factors associated with local recurrence after BCT, with a secondary aim of assessing the impact of margin re-excision on the risk of local recurrence. Methods: Patient demographics, surgical details, tumour characteristics and local recurrence were recorded for consecutive women with BCT undergoing surgery between January 1997 and January 2007. Margins were defined as clear (greater than 1 mm), close (less than 1 mm but no ink on tumour), reaches (ink on tumour) and clear after re-excision. Results: A total of 1045 women of median age 54 (range 18-86) years were studied. Median follow-up was 89 (range 4-196) months. Local recurrence occurred in 52 patients (5·0 per cent). Ink on tumour was associated with local recurrence (hazard ratio (HR) 4·86, 95 per cent c.i. 1·49 to 15·79; P = 0·009). Risk of local recurrence was the same for close and clear margins (HR 1·03, 0·40 to 2·62; P = 0·954). In women with involved margins, re-excision was still associated with an increased local recurrence risk (HR 2·50, 1·32 to 4·72; P = 0·005). Oestrogen receptor negativity increased risk (HR 2·28, 1·28 to 4·06; P = 0·005). Conclusion: Adequately excised margins, even when under 1 mm, provide equivalent outcomes to wider margins in BCT. Achieving complete excision at primary surgery achieves the lowest rates of local recurrence.


Asunto(s)
Neoplasias de la Mama/terapia , Mama/cirugía , Márgenes de Escisión , Mastectomía Segmentaria/métodos , Recurrencia Local de Neoplasia/prevención & control , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Mama/patología , Neoplasias de la Mama/epidemiología , Neoplasias de la Mama/mortalidad , Supervivencia sin Enfermedad , Femenino , Estudios de Seguimiento , Humanos , Persona de Mediana Edad , Recurrencia Local de Neoplasia/epidemiología , Radioterapia Adyuvante , Reino Unido/epidemiología , Adulto Joven
3.
ScientificWorldJournal ; 2015: 317507, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-25785281

RESUMEN

SGLT2 inhibitors are new antihyperglycaemic agents whose ability to lower glucose is directly proportional to GFR. Therefore, in chronic kidney disease (CKD) the blood glucose lowering effect is reduced. Unlike many current therapies, the mechanism of action of SGLT2 inhibitors is independent of insulin action or beta-cell function. In addition, the mechanism of action of SGLT2 inhibitors is complementary and not alternative to other antidiabetic agents. SGLT2 inhibitors could be potentially effective in attenuating renal hyperfiltration and, consequently, the progression of CKD. Moreover, the reductions in intraglomerular pressure, systemic blood pressure, and uric acid levels induced by SGLT inhibition may potentially be of benefit in CKD subjects without diabetes. However, at present, only few clinical studies were designed to evaluate the effects of SGLT2 inhibitors in CKD. Consequently, safety and potential efficacy beyond blood glucose lowering should be better clarified in CKD. In this paper we provide an updated review of the use of SGLT2 inhibitors in clinical practice, with particular attention on subjects with CKD.


Asunto(s)
Hipoglucemiantes/uso terapéutico , Insuficiencia Renal Crónica/tratamiento farmacológico , Inhibidores del Cotransportador de Sodio-Glucosa 2 , Animales , Canagliflozina/efectos adversos , Canagliflozina/uso terapéutico , Diabetes Mellitus Tipo 2/tratamiento farmacológico , Diabetes Mellitus Tipo 2/fisiopatología , Nefropatías Diabéticas/tratamiento farmacológico , Nefropatías Diabéticas/fisiopatología , Tasa de Filtración Glomerular , Hemoglobina Glucada/metabolismo , Humanos , Hipoglucemiantes/efectos adversos , Insuficiencia Renal Crónica/fisiopatología , Transportador 2 de Sodio-Glucosa , Sorbitol/efectos adversos , Sorbitol/análogos & derivados , Sorbitol/uso terapéutico
4.
G Chir ; 35(3-4): 75-7, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-24841683

RESUMEN

OBJECTIVE: Multiple and bilateral ovarian dermoid cysts constitute a very unusual report. We report an rare case of a woman with three ovarian dermoid cyst, two localized in the same ovary, detected by US examination and removed by laparoscopy. CASE REPORT: A patient aged 29 years, para 0, gravida 0, was referred to our hospital with pain of the right adnexal region. Gynaecological examination showed an antiverted uterus with normal volume; on the right side a mobile mass approximately 7 cms in diameter was palpable, moreover the left ovary was normal. Ultrasound examination showed a normal uterus. The right ovary presented two complex masses of 7 and 3 cm in diameter, respectively; moreover, the left ovary showed a hyperechogenic complex mass of 3 cm in diameter. The ultrasound pattern was compatible with bilateral ovarian dermoid cysts. On laparoscopy abdominal cavity and uterus were normal, while the right ovary presented two masses and the left ovary a small mass which were enucleated and removed. The patient had an uncomplicated postoperative recovery and was discharged two day after laparoscopy. Pathologic examination confirmed the diagnosis of ovarian dermoid cysts. A one year follow-up showed no evidence of recurrence. CONCLUSION: The case reported shows that exceptionally multiple and bilateral dermoid cysts may be detected underlining the importance of an accurate preoperative diagnostic imaging. Some recurrence of ovarian dermoid cysts may be due to undiagnosed small dermoid cists during preoperative imaging and/or surgical exploration.


Asunto(s)
Quiste Dermoide/diagnóstico por imagen , Quiste Dermoide/cirugía , Laparoscopía , Neoplasias Ováricas/diagnóstico por imagen , Neoplasias Ováricas/cirugía , Adulto , Quiste Dermoide/patología , Femenino , Humanos , Neoplasias Ováricas/patología , Enfermedades Raras , Resultado del Tratamiento , Ultrasonografía
5.
G Ital Nefrol ; 31(2)2014.
Artículo en Italiano | MEDLINE | ID: mdl-24777925

RESUMEN

Patients that are followed by nephrologists from the beginning of the illness, they show a deceleration in the progression of the Chronic Kidney Disease towards dialysis and a better quality of life (less osteodystrophy, anaemia and fluids overload, better pressure management). However, in 2013 it still exists a great lack of knowledge about the professional figure of nephrologist. Residents of Nephrological School of Catania decided to conduct a survey to evaluate common knowledge of renal diseases and their treatments. The survey was conducted in two cities of Sicily. The results show that people are generally uninformed and disoriented about renal illness and their risks.


Asunto(s)
Conocimientos, Actitudes y Práctica en Salud , Enfermedades Renales , Nefrología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Humanos , Italia , Masculino , Persona de Mediana Edad , Adulto Joven
6.
Epidemiol Psychiatr Sci ; 22(2): 187-94, 2013 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-23089135

RESUMEN

Aim. The Functioning Assessment Short Test (FAST) is a useful instrument for the assessment of overall functioning of people with bipolar disorder, showing good psychometric properties. The aim of this study is to validate the Italian version of FAST. Methods. Translation and back-translation of the original FAST Spanish version were performed. Participants with bipolar disorder (n = 132) and healthy controls (n = 132) completed the FAST as a part of an assessment package including the Montgomery-Asberg Depression Rating Scale and the Young Mania Rating Scale. Internal consistency, inter-rater reliability, construct and discriminant validity were assessed. Results. The FAST Italian version showed good internal consistency, inter-rater reliability and discriminant validity. The cut-off discriminating patients from controls was 15, with a sensitivity of 0.79 and a specificity of 0.80. Principal component analysis with oblique rotation showed factor loadings consistent with the a priori structure of the instrument. Conclusions. This study confirmed the psychometric properties of FAST and extended its generalization and validity to the Italian population.


Asunto(s)
Trastorno Bipolar , Reproducibilidad de los Resultados , Humanos , Lenguaje , Escalas de Valoración Psiquiátrica , Psicometría
7.
Eur J Surg Oncol ; 38(5): 395-8, 2012 May.
Artículo en Inglés | MEDLINE | ID: mdl-22436560

RESUMEN

AIM: Oncoplastic techniques are increasingly used to facilitate breast conservation and maintain breast aesthetics but evidence with regards to the oncological safety of oncoplastic breast conservation surgery (oBCS) remains limited. The aim of this study was to compare re-excision and local recurrence rates for oBCS with standard breast conserving surgery (sBCS). METHODS: From June 2003 to Feb 2010 data was obtained from contemporaneously recorded electronic patient records on patients who had oBCS and sBCS within a single breast cancer centre. Re-excision rates and local recurrence rates were compared. RESULTS: A total of 440 sBCS and 150 oBCS (in 146 women) were included in this study. Median tumour size and specimen weight was 21 mm and 67 g for oBCS and 18 mm and 40 g in the sBCS group (p < 0.001). Re-excision was 2.7% (4/150) and 13.4% (59/440) for oBCS and sBCS respectively (p < 0.001). At a median follow-up of 28 months, local relapse was 2.7% (4) and 2.2% (10) and distant relapse 1.3% (2) and 7.5% (33) for oBCS and sBCS respectively. CONCLUSIONS: Oncoplastic breast conserving techniques decrease re-excision rates. Early follow up data suggests oncological outcomes of oncoplastic breast conservation surgery are similar to standard breast conservation.


Asunto(s)
Neoplasias de la Mama/epidemiología , Neoplasias de la Mama/cirugía , Mamoplastia/efectos adversos , Mamoplastia/métodos , Mastectomía Segmentaria/efectos adversos , Mastectomía Segmentaria/métodos , Recurrencia Local de Neoplasia/epidemiología , Adulto , Anciano , Anciano de 80 o más Años , Neoplasias de la Mama/patología , Supervivencia sin Enfermedad , Femenino , Humanos , Incidencia , Estimación de Kaplan-Meier , Londres/epidemiología , Sistemas de Registros Médicos Computarizados , Persona de Mediana Edad , Clasificación del Tumor , Recurrencia Local de Neoplasia/etiología , Estadificación de Neoplasias , Reoperación/estadística & datos numéricos , Estudios Retrospectivos , Resultado del Tratamiento
8.
J Intern Med ; 262(4): 479-87, 2007 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-17875185

RESUMEN

BACKGROUND: E-selectin is a key adhesion molecule which plays a fundamental role in endothelial progenitor cell-dependent reparative mechanisms in experimental ischaemia and it serves to anchor leucocytes to the endothelium in inflammatory processes. Inflammation is one of the strongest risk factors for death and cardiovascular (CV) events in end-stage renal disease (ESRD). OBJECTIVE: The objective of the current study was to evaluate whether E-selectin is a useful biomarker of clinical outcome in ESRD patients. We tested the prediction power of circulating E-selectin for mortality and CV events in a cohort of 265 ESRD patients. RESULTS: During the follow-up, 59 patients died and 58 had CV events. All-cause mortality was inversely related to serum E-selectin, the risk of death being the lowest in patients in the third E-selectin tertile (HR: 1, reference group), intermediate in those in the second tertile (HR: 1.30) and the highest in patients in the first tertile (HR: 2.02, P = 0.01). Similarly, the risk of fatal and nonfatal CV events followed an inverse pattern being lowest in the third tertile (reference group) and highest in the first tertile (HR: 1.73, P = 0.03). The prediction power of E-selectin for death and CV events was confirmed in a Cox regression analysis where E-selectin emerged as an inverse predictor of these outcomes, particularly so in patients with severe inflammation. CONCLUSIONS: These data are in keeping with the hypothesis that in systemic inflammation altered E-selectin shedding may play a role in arterial damage and implicates this adhesion molecule in atherosclerotic complications in a high-risk condition like ESRD.


Asunto(s)
Enfermedades Cardiovasculares/mortalidad , Selectina E/sangre , Fallo Renal Crónico/complicaciones , Biomarcadores/sangre , Enfermedades Cardiovasculares/etiología , Estudios de Cohortes , Femenino , Humanos , Fallo Renal Crónico/genética , Fallo Renal Crónico/mortalidad , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Diálisis Renal/métodos , Factores de Riesgo
9.
Transplant Proc ; 38(4): 1006-9, 2006 May.
Artículo en Inglés | MEDLINE | ID: mdl-16757246

RESUMEN

BACKGROUND: Dialysis and kidney transplantation represent two effective strategies in treating chronic uremia, albeit with different results. Our study compared the psychological aspects of two categories of patients: patients who faced kidney transplantation and have been on dialysis, and noncompliant patients treated with these therapies. MATERIALS AND METHODS: On 170 patients (120 hemodialysis and 50 peritoneal dialysis) we used a personality analysis (MMPI2) and the COPE, which assessed the ability of patients to cope under certain conditions that can be perceived as stressful or, in any case, unusual. The screening succeeded in 11 cases among the first group and 9 in the second. Three of the 20 patients were considered to be partially noncompliant: 1 on peritoneal and the other 2 on hemodialysis. We also tested a control group of 300 people of different ages, sexes, social and cultural status, dates and kinds of transplantation (cadaveric or living donors). Of the 36 feedbacks received, only 30 were considered valuable. RESULTS: The results of the research showed that patients with less than 2 years of dialysis treatment and patients with more than 2 years survival after transplantation time were inclined to deny their disease and the possible emotions about their clinical status, drawing an inadequate attention to the difficulties. This behavior was clearer among noncompliant patients. Family problems and couple malaise in everyday life can push more and more of these patients to be noncompliant with therapeutic prescriptions, as they do not feel adequate support. The result is an excessive foreboding, poor disposition, and nervousness. CONCLUSIONS: Screening of patients' social and psychological status is useful as is psychological intervention for those who miss emotional support from the family. This psychological support is advisable for uremics who have to enter a waiting list and for those who are subject to postoperative treatment in order to promote compliant behavior.


Asunto(s)
Adaptación Psicológica , Trasplante de Riñón/psicología , MMPI , Diálisis Peritoneal/psicología , Diálisis Renal/psicología , Negativa del Paciente al Tratamiento/psicología , Adulto , Anciano , Femenino , Humanos , Masculino , Estado Civil , Persona de Mediana Edad , Pruebas Psicológicas , Estrés Psicológico
10.
Phys Rev E Stat Nonlin Soft Matter Phys ; 71(3 Pt 2B): 036401, 2005 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-15903582

RESUMEN

We develop a dielectric matrix and analyze plasmon dispersion in strongly coupled charged-particle bilayers in the T = 0 quantum domain. The formulation is based on the classical quasilocalized charge approximation (QLCA) and extends the QLCA formalism into the quantum domain. Its development, which parallels that of the two-dimensional companion paper [Phys. Rev. E 70, 026406 (2004)] by three of the authors, generalizes the single-layer scalar formalism therein to a bilayer matrix formalism. Using pair correlation function data generated from diffusion Monte Carlo simulations, we calculate the dispersion of the in-phase and out-of-phase plasmon modes over a wide range of high- r(s) values and layer separations. The out-of-phase spectrum exhibits an exchange-correlation induced long-wavelength energy gap in contrast to earlier predictions of acoustic dispersion softened by exchange and correlations. The energy gap is similar to what has been previously predicted for classical charged-particle bilayers and subsequently confirmed by recent molecular dynamics computer simulations.

11.
G Ital Nefrol ; 21(1): 51-6, 2004.
Artículo en Italiano | MEDLINE | ID: mdl-15356848

RESUMEN

Currently many authors report a kidney graft survival of 90-95% at one years post-transplantation. The patients' adherence to the immunosuppressive therapy is an important condition for maintaining graft functioning. A review of the medical literature shows that graft survival is significantly worse in non-compliance patients. As a matter of fact, 267 non compliance patients lost their graft of 7206 renal graft recipients. There are usually three different non-compliance profiles in transplantation : 1) 'Accidental non compliers' (47%) identifies those patients who sometimes forget to take the therapy. 2) 'Invulnerables' (28%) are those patients who believe that they do not need to take their immunosuppressive drugs regularly; 3) 'Decisive non compliers' (25%) are those patients who decide what therapy they should take. Many predictive factors have been associated with non compliance: 1) Demographic variables 2) Psychological variables 3) Psychiatric disorders 4) Poor social support 5) Pretransplantation compliance 6) Substance abuse We therefore think that it is particularly useful to identify non compliers before transplantation through psychological screening, in order to increase their compliance by supportive psychological assistance. Unfortunately, these patients tend to avoid specialists' intervention so it is very useful to provide the medical teams with the necessary training to cope with the psychological problems of their patients.


Asunto(s)
Inmunosupresores/uso terapéutico , Trasplante de Riñón , Negativa del Paciente al Tratamiento/estadística & datos numéricos , Predicción , Humanos , Prevalencia
12.
J Intern Med ; 254(2): 132-9, 2003 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-12859694

RESUMEN

OBJECTIVE: Fibrinogen is an established predictor of cardiovascular events in the general population but the relationship between fibrinogen, mortality and incident cardiovascular complications has been very little investigated in patients with end-stage renal disease (ESRD). DESIGN AND SUBJECTS: We investigated the relationship between fibrinogen and all cause mortality and cardiovascular outcomes in a prospective cohort study in 192 patients on chronic haemodialysis treatment (follow-up: 34 +/- 16 months). RESULTS: Fibrinogen was significantly higher in patients who died during the follow-up than in those who survived. Similarly, fibrinogen was higher in patients who had fatal or nonfatal cardiovascular events than in event free patients. On multivariate Cox regression analysis fibrinogen was an independent predictor of survival [hazard ratio (1 g x L(-1) increase in plasma fibrinogen): 1.19, 95% confidence interval (CI): 1.05-1.35, P = 0.006] and a highly significant (P = 0.0008), independent predictor of fatal and nonfatal cardiovascular events [hazard ratio (1 g x L(-1) increase in plasma fibrinogen): 1.25, 95% CI: 1.10-1.43] in a model including traditional risk factors and serum C-reactive protein (CRP) and plasma homocysteine. CONCLUSIONS: Fibrinogen is as an independent risk factor for overall and cardiovascular mortality in patients with ESRD. Intervention studies are required to see whether reducing plasma fibrinogen may help to curb the exceedingly high cardiovascular risk of the uremic population.


Asunto(s)
Enfermedades Cardiovasculares/mortalidad , Fibrinógeno/análisis , Fallo Renal Crónico/mortalidad , Adulto , Anciano , Biomarcadores/sangre , Proteína C-Reactiva/análisis , Enfermedades Cardiovasculares/complicaciones , Enfermedades Cardiovasculares/metabolismo , Femenino , Humanos , Fallo Renal Crónico/complicaciones , Fallo Renal Crónico/metabolismo , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Diálisis Renal , Factores de Riesgo
13.
Eur J Clin Invest ; 33(7): 561-6, 2003 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-12814392

RESUMEN

BACKGROUND: We investigated the relationship between fibrinogen and echocardiographic measurements of left ventricular (LV) geometry and LV function in a group of 192 patients with end stage renal disease (ESRD). RESULTS: Patients in the third fibrinogen tertile had higher mean wall thickness (MWT), relative wall thickness (RWT) and left ventricular mass index (LVMI) and lower LV end diastolic diameter and LV ejection fraction than those in the other tertiles. On multivariate analysis fibrinogen resulted to be an independent correlate of MWT (P = 0.001) and RWT (P = 0.0001) and the first factor in rank explaining the variance in LV ejection fraction (P = 0.0001). Left ventricular concentric hypertrophy was more prevalent (P = 0.001) in patients in the third fibrinogen tertile (n = 35, 54%) than in those in the second (n = 24, 37%) and first (n = 13, 21%) tertiles. In a multiple logistic regression model patients in the third tertile of fibrinogen had a risk for left ventricular concentric hypertrophy that was 3.56 (95% CI: 1.56-8.14) fold higher than in those in the first tertile (P = 0.003). CONCLUSIONS: Elevated fibrinogen is independently associated with LV concentric hypertrophy and systolic dysfunction in ESRD patients. These relationships may contribute to the negative prognostic impact of elevated fibrinogen levels in ESRD.


Asunto(s)
Fibrinógeno/análisis , Hipertrofia Ventricular Izquierda/sangre , Fallo Renal Crónico/sangre , Presión Sanguínea , Ecocardiografía , Femenino , Humanos , Hipertrofia Ventricular Izquierda/patología , Hipertrofia Ventricular Izquierda/fisiopatología , Masculino , Persona de Mediana Edad , Disfunción Ventricular Izquierda/patología , Disfunción Ventricular Izquierda/fisiopatología
14.
Phys Rev Lett ; 88(20): 206401, 2002 May 20.
Artículo en Inglés | MEDLINE | ID: mdl-12005585

RESUMEN

Using diffusion Monte Carlo simulations we have investigated the ground state of a symmetric electron-hole bilayer and determined its phase diagram at T = 0. We find clear evidence of an excitonic condensate, whose stability however is affected by an in-layer electronic correlation. This stabilizes the electron-hole plasma at large values of the density or interlayer distance, and the Wigner crystal at low density and large distance. We have also estimated pair correlation functions and low-order density matrices to give a microscopic characterization of correlations as well as to try and estimate the condensate fraction.

15.
Mayo Clin Proc ; 76(11): 1111-9, 2001 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-11702899

RESUMEN

OBJECTIVES: To determine levels of natriuretic peptides (NPs) in patients with end-stage renal disease (ESRD) and to examine the relationship of these cardiovascular peptides to left ventricular hypertrophy (LVH) and to cardiac mortality. PATIENTS AND METHODS: One hundred twelve dialysis patients without clinical evidence of congestive heart failure underwent plasma measurement of NP concentrations and echocardiographic investigation for left ventricular mass index (LVMI). RESULTS: Plasma atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) concentrations correlated positively with LVMI and inversely with left ventricular ejection fraction, whereas C-type NP and Dendroaspis NP levels did not correlate with LVMI. In dialysis patients with LVH (LVMI >125 g/m2), plasma ANP and BNP concentrations were increased compared with those in dialysis patients without LVH (both P<001). In a subset of 15 dialysis patients without LVH or other concomitant diseases, plasma BNP concentrations were not significantly increased compared with those in 35 controls (mean +/- SD, 20.1+/-13.4 vs 13.5+/-9.6 pg/mL; P=.06), demonstrating that the BNP concentration was not increased by renal dysfunction alone. Furthermore, the BNP level was significantly higher in the 16 patients who died from cardiovascular causes compared with survivors (mean +/- SD, 129+/-13 vs 57+/-7 pg/mL; P<.003) and was significantly associated with greater risk of cardiovascular death in Cox regression analysis (P<.001), as was the ANP level (P=.002). CONCLUSIONS: Elevation of the plasma BNP concentration is more specifically related to LVH compared with the other NP levels in patients with ESRD independent of congestive heart failure. Thus, BNP serves as an important plasma biomarker for ventricular hypertrophy in dialysis patients with ESRD.


Asunto(s)
Factor Natriurético Atrial/sangre , Hipertrofia Ventricular Izquierda/sangre , Fallo Renal Crónico/sangre , Péptido Natriurético Encefálico/fisiología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Biomarcadores , Estudios de Casos y Controles , Comorbilidad , Femenino , Hemodinámica , Humanos , Fallo Renal Crónico/etiología , Modelos Lineales , Masculino , Persona de Mediana Edad , Péptido Natriurético Encefálico/sangre , Curva ROC , Diálisis Renal , Factores de Riesgo
16.
Minerva Stomatol ; 48(7-8): 341-5, 1999.
Artículo en Italiano | MEDLINE | ID: mdl-10568111

RESUMEN

Two cases of peripheral osteoma of the mandibular condyle are described. This lesions is uncommon. It is suggested that peripheral osteoma of the mandible may be traumatically induced and that muscle traction plays an important role in this lesion.


Asunto(s)
Cóndilo Mandibular/diagnóstico por imagen , Neoplasias Mandibulares/diagnóstico por imagen , Adulto , Femenino , Humanos , Masculino , Cóndilo Mandibular/patología , Cóndilo Mandibular/cirugía , Neoplasias Mandibulares/patología , Neoplasias Mandibulares/cirugía , Persona de Mediana Edad , Radiografía Panorámica
17.
Minerva Stomatol ; 48(6): 273-5, 1999 Jun.
Artículo en Italiano | MEDLINE | ID: mdl-10522396

RESUMEN

Necrotizing sialometaplasia is a benign lesion of the minor and major salivary glands. It occurs with a palatal swelling which rapidly becomes a deep ulcer. Histopathological aspects include ulceration of the surface epithelium, squamous metaplasia and acinar necrosis. In general no treatment is necessary and the lesion heals spontaneously in 4-10 weeks. This condition must be distinguished from more serious diseases such as squamous cell carcinoma and mucoepidermoid carcinoma.


Asunto(s)
Sialometaplasia Necrotizante/diagnóstico , Adulto , Carcinoma de Células Escamosas/diagnóstico , Diagnóstico Diferencial , Femenino , Humanos , Úlceras Bucales/diagnóstico , Hueso Paladar/patología , Sialometaplasia Necrotizante/patología
18.
J Nephrol ; 12(4): 256-60, 1999.
Artículo en Inglés | MEDLINE | ID: mdl-10493569

RESUMEN

AIM: To investigate the relationship between carotid atherosclerosis and some major cardiovascular risk factors in uremic patients on chronic dialysis. METHODS: A cross-sectional study was carried out in 119 unselected dialysis patients (89 on hemodialysis and 30 on chronic ambulatory peritoneal dialysis, CAPD). Fasting blood sampling for serum lipids, albumin, hemoglobin, and echo-colour-Doppler evaluation of common carotid arteries were performed in all patients (during the non-dialysis day in hemodialysis patients). In hemodialysis patients BP was measured before and after dialysis; in CAPD patients home BP values were recorded during the month before the study day. RESULTS: Ninety-five patients had at least one plaque and 57 had at least four plaques. Thirty-eight had mild and eleven severe carotid stenosis. In multiple regression models, the mean internal diameter of carotid arteries was explained (R=0.52, P=0.0001) by systolic pressure (r=0.39), serum cholesterol (r=-0.28), age (r=0.27) and smoking (r=0.24) while the degree of carotid stenosis was predicted (R=0.39, P=0.0001) by age (r=0.36) and smoking (r=0.25). The number of atherosclerotic plaques was explained (R=0.51, P=0.0001) by age (r=0.36), smoking (r=0.25) and pulse pressure (r=0.20), serum albumin just failing to reach statistical significance (P = 0.06). However, serum albumin was a significant and independent predictor of the number of atherosclerotic plaques (r=-0.26) in hemodialysis patients (n=89). Sex, diabetes, Kt/V, duration of dialysis treatment, hemoglobin, serum calcium and phosphate did not add any predictive power to the models. CONCLUSIONS: In dialysis patients arterial pressure and smoking are associated with carotid atherosclerosis. Serum albumin appears to serve as an independent predictor of carotid atherosclerosis.


Asunto(s)
Arteriosclerosis/etiología , Enfermedades de las Arterias Carótidas/etiología , Hipertensión/complicaciones , Diálisis Peritoneal Ambulatoria Continua , Diálisis Renal , Albúmina Sérica/análisis , Fumar/efectos adversos , Arteriosclerosis/sangre , Presión Sanguínea , Calcio/sangre , Enfermedades de las Arterias Carótidas/sangre , Estudios Transversales , Femenino , Humanos , Fallo Renal Crónico/complicaciones , Fallo Renal Crónico/terapia , Lípidos/sangre , Masculino , Persona de Mediana Edad , Análisis Multivariante , Diálisis Peritoneal Ambulatoria Continua/efectos adversos , Fosfatos/sangre , Diálisis Renal/efectos adversos , Factores de Riesgo
19.
Angiology ; 49(9): 707-21, 1998 Sep.
Artículo en Inglés | MEDLINE | ID: mdl-9756422

RESUMEN

It is still a matter of debate as to which parameters should be used for noninvasive diagnosis of renovascular disease by renal Doppler sonography (RDS). The accuracy of RDS in the detection of renal artery stenosis (RAS) was tested in 95 consecutive, moderate to severe hypertensive patients (I-II World Health Organization [WHO] stages). Reno-aortic ratio (RAR) for peak systolic velocity (PSV) was also calculated to assist in the diagnosis of significant (>50%) RAS. Paired receiver-operating characteristic (ROC) analysis was plotted for evaluating the relationship between sensitivity and specificity for each parameter. In a subset of 57 kidneys, the influence of blood pressure and age on intraparenchymal parameters was evaluated. Measurements of maximal peak systolic velocity (PSV) at the site of stenosis, RAR for PSV, and minimum acceleration index in the main renal artery showed high accuracy (areas under the ROC curve 0.97, 0.88, and 0.80, respectively). Among intraparenchymal parameters, early systolic acceleration showed the best area under the ROC curve (0.90), but provided a low positive predictive value (29%) and was significantly influenced by blood pressure (multiple r=0.56; p=0.001). Pulsatility and resistive indices were found to be less powerful as absolute values, and both significantly influenced by blood pressure and age (multiple r=0.60 and 0.50; p=0.001, p=0.02, respectively). However, interindividual variance of intrarenal indices should be minimized by calculation of side difference, although this procedure would become misleading or impossible in patients with bilateral RAS or a single kidney, respectively. These results support the use of extraparenchymal parameters for noninvasive detection of RAS, and emphasize that intrarenal parameters cannot be considered as absolute values.


Asunto(s)
Hipertensión Renovascular/diagnóstico por imagen , Obstrucción de la Arteria Renal/diagnóstico por imagen , Ultrasonografía Doppler , Adulto , Anciano , Presión Sanguínea , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Flujo Pulsátil , Curva ROC
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