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1.
BMC Genomics ; 23(1): 832, 2022 Dec 15.
Artículo en Inglés | MEDLINE | ID: mdl-36522771

RESUMEN

BACKGROUND: The Nile tilapia (Oreochromis niloticus) is the third most important freshwater fish for aquaculture. Its success is directly linked to continuous breeding efforts focusing on production traits such as growth rate and weight. Among those elite strains, the Genetically Improved Farmed Tilapia (GIFT) programme initiated by WorldFish is now distributed worldwide. To accelerate the development of the GIFT strain through genomic selection, a high-quality reference genome is necessary. RESULTS: Using a combination of short (10X Genomics) and long read (PacBio HiFi, PacBio CLR) sequencing and a genetic map for the GIFT strain, we generated a chromosome level genome assembly for the GIFT. Using genomes of two closely related species (O. mossambicus, O. aureus), we characterised the extent of introgression between these species and O. niloticus that has occurred during the breeding process. Over 11 Mb of O. mossambicus genomic material could be identified within the GIFT genome, including genes associated with immunity but also with traits of interest such as growth rate. CONCLUSION: Because of the breeding history of elite strains, current reference genomes might not be the most suitable to support further studies into the GIFT strain. We generated a chromosome level assembly of the GIFT strain, characterising its mixed origins, and the potential contributions of introgressed regions to selected traits.


Asunto(s)
Cíclidos , Tilapia , Animales , Cíclidos/genética , Tilapia/genética , Genómica , Acuicultura , Cromosomas/genética
2.
AJNR Am J Neuroradiol ; 41(4): 639-644, 2020 04.
Artículo en Inglés | MEDLINE | ID: mdl-32165366

RESUMEN

BACKGROUND AND PURPOSE: The increased severity of white matter disease is associated with worse outcomes and an increased rate of intracerebral hemorrhage in patients with ischemic stroke undergoing thrombolytic treatment. However, whether white matter disease is associated with outcomes in patients undergoing endovascular treatment remains unclear. MATERIALS AND METHODS: In this prespecified exploratory analysis of our prospective multi-institutional study that enrolled consecutive adult patients with anterior circulation ischemic stroke undergoing endovascular treatment from November 2017 to September 2018, we compared the following outcomes between patients with none-to-minimal (van Swieten score, 0-2) and moderate-to-severe (van Swieten score, 3-4) white matter disease using logistic regression: 90-day mRS 3-6, death, intracerebral hemorrhage, successful recanalization, and early neurologic recovery. RESULTS: Of the 485 patients enrolled in the Blood Pressure after Endovascular Stroke Therapy (BEST) study, 389 had white matter disease graded (50% women; median age, 68 years; range, 58-79 years). A van Swieten score of 3-4 (n = 74/389, 19%) was associated with a higher rate of 90-day mRS of 3-6 (45% versus 18%; adjusted OR, 2.73; 95% CI, 1.34-5.93; P = .008). Although the death rate was higher in patients with van Swieten scores of 3-4 (26% versus 15%), the adjusted likelihood was not significantly different (adjusted OR, 1.14; 95% CI, 0.56-2.26; P = .710). Ordered regression revealed a shift toward worse mRS scores with increasing van Swieten scores (adjusted common OR, 3.04; 95% CI, 1.93-4.84; P < .001). No associations between white matter disease severity and intracerebral hemorrhage, successful recanalization, and early neurologic recovery were observed. CONCLUSIONS: Moderate-to-severe white matter disease is associated with worse outcomes in patients undergoing endovascular treatment without a significant increase in hemorrhagic complications. Studies comparing patients with and without endovascular treatment are necessary to determine whether the benefit of endovascular treatment is attenuated with greater white matter disease.


Asunto(s)
Leucoencefalopatías/complicaciones , Accidente Cerebrovascular/complicaciones , Accidente Cerebrovascular/cirugía , Trombectomía/métodos , Resultado del Tratamiento , Anciano , Isquemia Encefálica/complicaciones , Procedimientos Endovasculares/métodos , Femenino , Humanos , Masculino , Persona de Mediana Edad , Estudios Prospectivos
3.
Artículo en Inglés | MEDLINE | ID: mdl-30249475

RESUMEN

End-stage renal disease (ESRD) patients are at increased risk for cardiovascular events and cancer, possibly due to genomic instability associated with renal disease and/or its therapy. Prognostic biomarkers of genomic instability may prove useful for initiating appropriate intervention strategies. We conducted a case-control study, performing the single-cell gel electrophoresis assay (circulating leukocytes) and the micronucleus cytome assay (buccal epithelial cells). Cases (ESRD patients; n = 55) were on weekly/fortnightly dialysis therapy and controls (n = 39) were healthy adults. The patients had significantly elevated levels of DNA damage and micronucleated cells. DNA damage showed higher validity and sensitivity than did chromosome damage, for discriminating patients from controls. The patient group showed significant increases in cell proliferation, cytokinetic defects, and cell death, and a decrease in repair index. Correlations were seen between genetic damage and both time-on-medication and time-on-dialysis; between condensed chromatin cells and sex; and between pyknotic cells and dietary pattern. Following stratification by age, gender, and dialysis frequency, significantly elevated DNA damage and MN frequency were seen in the fortnightly dialysis patients, perhaps due to accumulated uremic toxicants. DNA and chromosome damage may be useful prognostic biomarkers for initiating timely interventions against co-morbidities in ESRD patients.


Asunto(s)
Aberraciones Cromosómicas , Daño del ADN , Fallo Renal Crónico/genética , Fallo Renal Crónico/patología , Mucosa Bucal/patología , Pruebas de Mutagenicidad/métodos , Adulto , Anciano , Estudios de Casos y Controles , Proliferación Celular , Citocinesis , Femenino , Estudios de Seguimiento , Humanos , Masculino , Pruebas de Micronúcleos , Persona de Mediana Edad , Pronóstico
4.
Nutr Metab Cardiovasc Dis ; 28(11): 1133-1139, 2018 11.
Artículo en Inglés | MEDLINE | ID: mdl-30143406

RESUMEN

AIMS: To examine the association between wine consumption and the prevalence of chronic kidney disease (CKD) and cardiovascular disease (CVD). DATA SYNTHESIS: We performed a cross-sectional logistic regression analysis of National Health and Nutrition Examination Survey (NHANES) in participants 21 years of age or older from 2003 to 2006 in a large representative study of the U.S. POPULATION: Wine consumption was categorized as none (0 glass per day), light (<1 glass per day), or moderate (≥1 glasses per day). Prevalent CKD was defined as a urine albumin/creatinine ratio (UACR) ≥30 mg/g or estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m2. CVD was defined as history of CVD including angina, myocardial infarction, or stroke. Only 27 (0.5%) individuals reported moderate wine consumption, whereas 57.5% and 42% reported abstinence and light wine consumption, respectively. Light wine consumption was associated with a lower prevalence of CKD as opposed to abstinence in unadjusted analysis. After adjusting for demographics and CVD risk factors light wine consumption was associated with lower prevalence of CKD defined as UACR ≥30 mg/g but not with low eGFR. Furthermore, light wine consumption was associated with significantly lower rates of CVD in the general population and in subjects with CKD. The adjusted odd of CVD for those with light wine consumption was 0.72 (CI 0.52-0.99, p = 0.046) for the subjects with CKD. CONCLUSION: These data suggest that light wine consumption (compared to abstinence) is associated with lower prevalence of CKD and a lower odd of CVD in those with CKD in the U.S.


Asunto(s)
Consumo de Bebidas Alcohólicas/epidemiología , Enfermedades Cardiovasculares/epidemiología , Enfermedades Cardiovasculares/prevención & control , Insuficiencia Renal Crónica/epidemiología , Vino , Adulto , Albuminuria/epidemiología , Albuminuria/fisiopatología , Albuminuria/prevención & control , Abstinencia de Alcohol , Enfermedades Cardiovasculares/diagnóstico , Enfermedades Cardiovasculares/fisiopatología , Estudios Transversales , Femenino , Tasa de Filtración Glomerular , Humanos , Riñón/fisiopatología , Masculino , Persona de Mediana Edad , Encuestas Nutricionales , Prevalencia , Pronóstico , Factores Protectores , Insuficiencia Renal Crónica/diagnóstico , Insuficiencia Renal Crónica/fisiopatología , Insuficiencia Renal Crónica/prevención & control , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Estados Unidos/epidemiología , Adulto Joven
5.
Interv Neuroradiol ; 24(4): 392-397, 2018 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-29697301

RESUMEN

Introduction Proximal cervical internal carotid artery stenosis greater than 50% merits revascularization to mitigate the risk of stroke recurrence among large-vessel anterior circulation strokes undergoing mechanical thrombectomy. Carotid artery stenting necessitates the use of antiplatelets, and there is a theoretical increased risk of hemorrhagic transformation given that such patients may already have received intravenous thrombolytics and have a significant infarct burden. We investigate the outcomes of large-vessel anterior circulation stroke patients treated with intravenous thrombolytics receiving same-day carotid stenting or selective angioplasty compared to no carotid intervention. Materials and methods The study cohort was obtained from the National (Nationwide) Inpatient Sample database between 2006 and 2014, using International Statistical Classification of Diseases, ninth revision discharge diagnosis and procedure codes. A total of 11,825 patients with large-vessel anterior circulation stroke treated with intravenous thrombolytic and mechanical thrombectomy on the same day were identified. The study population was subdivided into three subgroups: no carotid intervention, same-day carotid angioplasty without carotid stenting, and same-day carotid stenting. Outcomes were assessed with respect to mortality, significant disability at discharge, hemorrhagic transformation, and requirement of percutaneous endoscopic gastronomy tube placement, prolonged mechanical ventilation, or craniotomy. Results This study found no statistically significant difference in patient outcomes in those treated with concurrent carotid stenting compared to no carotid intervention in terms of morbidity or mortality. Conclusions If indicated, it is reasonable to consider concurrent carotid stenting and/or angioplasty for large-vessel anterior circulation stroke patients treated with mechanical thrombectomy who also receive intravenous thrombolytics.


Asunto(s)
Angioplastia/métodos , Estenosis Carotídea/terapia , Fibrinolíticos/uso terapéutico , Stents , Accidente Cerebrovascular/terapia , Trombectomía/métodos , Anciano , Terapia Combinada , Femenino , Humanos , Masculino , Persona de Mediana Edad , Resultado del Tratamiento
6.
EJVES Short Rep ; 34: 9-12, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28856325

RESUMEN

INTRODUCTION: A 75-year-old male patient with significant cardiopulmonary comorbidity presented with a 70-mm left femoral pseudoaneurysm 6 years after aortobifemoral bypass (and prior femoral endarterectomy). REPORT: As the left superficial femoral artery was occluded, an ilioprofunda endobypass was undertaken following extraperitoneal exposure of the left limb of the bypass graft with subsequent deployment of four Viabahn endoprostheses via the left limb into the proximal left deep femoral artery with successful exclusion of the pseudoaneurysm. The endografts remain patent at 6 months with regression noted in the pseudoaneurysm itself. DISCUSSION: Post-operative femoral pseudoaneurysm following anastomotic dehiscence has traditionally been treated by open surgical repair. Re-re-do open femoral vascular surgery has a high complication rate. Scarring and potential graft infection may necessitate ligation of involved arteries and extra-anatomic bypasses with an attendant risk of limb loss. Although the common femoral artery is conventionally contraindicated for endograft deployment because of the perceived high risk of stent fracture in a highly mobile zone, an endobypass can avoid the potential complications of open revision groin surgery in an unfit, high-risk patient.

7.
Obes Rev ; 15(11): 870-81, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-25263568

RESUMEN

Unintentional weight gain is commonly observed in adult humans, often provoking intentional weight loss attempts followed by unintentional weight regain. This episodic variation in body weight over a period of time has been referred to as 'weight cycling'. Over the last two decades, weight cycling has been associated with a number of morbid health conditions and increased mortality. This article provides a comprehensive evaluation of recent weight-cycling evidence, looks to understand design differences between studies and study outcomes, assesses the need for further research on particular health outcomes, and proposes alternative methodologies that will bridge the needs and capabilities of research. Searches were conducted per PRISMA guidelines. Articles on weight cycling in the literature were initially identified using search strings in PubMed. Eligibility assessment of the remaining articles was performed independently by three reviewers to identify publications that presented direct evidence. Twenty human studies (in addition to seven animal studies) were selected and retained; 12 accounted for the intentionality of weight loss. Although weight regain following successful weight loss remains one of the most challenging aspects of body-weight regulation, evidence for an adverse effect of weight cycling appears sparse, if it exists at all.


Asunto(s)
Enfermedades Cardiovasculares/mortalidad , Ejercicio Físico , Enfermedades Metabólicas/mortalidad , Neoplasias/mortalidad , Obesidad/mortalidad , Aumento de Peso , Pérdida de Peso , Animales , Composición Corporal , Enfermedades Cardiovasculares/etiología , Enfermedades Cardiovasculares/metabolismo , Causas de Muerte , Modelos Animales de Enfermedad , Metabolismo Energético , Humanos , Enfermedades Metabólicas/etiología , Enfermedades Metabólicas/metabolismo , Ratones , Neoplasias/etiología , Neoplasias/metabolismo , Obesidad/metabolismo , Obesidad/prevención & control , Factores de Riesgo
8.
Obes Rev ; 15(8): 619-29, 2014 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-24913899

RESUMEN

We evaluated whether the obesity-associated years of life lost (YLL) have decreased over calendar time. We implemented a meta-analysis including only studies with two or more serial body mass index (BMI) assessments at different calendar years. For each BMI category (normal weight: BMI 18.5 to <25 [reference]; overweight: BMI 25 to <30; grade 1 obesity: BMI 30 to <35; and grade 2-3 obesity: BMI ≥ 35), we estimated the YLL change between 1970 and 1990. Because of low sample sizes for African-American, results are reported on Caucasian. Among men aged ≤60 years YLL for grade 1 obesity increased by 0.72 years (P < 0.001) and by 1.02 years (P = 0.01) for grade 2-3 obesity. For men aged >60, YLL for grade 1 obesity decreased by 1.02 years (P < 0.001) and increased by 0.63 years for grade 2-3 obesity (P = 0.63). Among women aged ≤60, YLL for grade 1 obesity decreased by 4.21 years (P < 0.001) and by 4.97 years (P < 0.001) for grade 2-3 obesity. In women aged >60, YLL for grade 1 obesity decreased by 3.98 years (P < 0.001) and by 2.64 years (P = 0.001) for grade 2-3 obesity. Grade 1 obesity's association with decreased longevity has reduced for older Caucasian men. For Caucasian women, there is evidence of a decline in the obesity YLL association across all ages.


Asunto(s)
Obesidad/mortalidad , Índice de Masa Corporal , Causas de Muerte , Bases de Datos Factuales , Femenino , Humanos , Masculino , Estudios Prospectivos , Factores de Riesgo , Sensibilidad y Especificidad , Estados Unidos/epidemiología , Población Blanca
9.
Saudi J Kidney Dis Transpl ; 24(6): 1280-4, 2013 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-24231504

RESUMEN

In a developing country such as India, deceased donor renal transplantation (DDRTx) accounts for only about 1% of all renal transplants (RTx). Our institute initiated an intercity DDRTx in the year 2006, which significantly increased the number of RTx. We retrieved 74 kidneys from 37 deceased donors from various cities of Gujarat from January 2006 to December 2009. We transplanted the allografts in 66 recipients and a retrospective analysis of the donor profile and management and recipient outcome was performed. The mean age of the donors was 43.3 ± 18.8 years. The causes of death included road traffic accident in 51.35% of the donors and cerebrovascular stroke in 48.65% of the donors; 83.78% of the donors required ionotropes for hemodynamic stability in addition to vigorous intravenous fluid replacement. The average urine output of the donors was 350 ± 150 mL. The organs were perfused and stored in HTK solution. The mean cold ischemia time (CIT) was 9.12 ± 5.25 h. The mean anastomosis time in the recipient was 30.8 ± 8.7 min. 57.6% of the recipients established urine output on the operating table and 42.4% developed delayed graft function. At the end of 1 month after transplantation, the mean serum creatinine was comparable to the Ahmadabad city DDRTx, although the CIT was significantly longer in the intercity patients. Intercity organ harvesting is a viable option to increase the donor pool. Distance may not be an impediment, and good recipient outcome is possible in spite of prolonged CIT in case of proper harvesting and preservation.


Asunto(s)
Trasplante de Riñón , Donantes de Tejidos/provisión & distribución , Obtención de Tejidos y Órganos/organización & administración , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Femenino , Humanos , India , Masculino , Persona de Mediana Edad , Adulto Joven
10.
Ultrasound Obstet Gynecol ; 40(5): 522-9, 2012 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-22262510

RESUMEN

OBJECTIVE: To assess neurodevelopmental outcome of fetuses diagnosed with callosal abnormalities after referral for ventriculomegaly. METHODS: This sub-analysis of a prospective study of 430 fetuses, which were referred for ventriculomegaly and underwent sonography and magnetic resonance imaging (MRI), included those fetuses with a diagnosis of corpus callosal abnormalities after recruitment into the main study. Between three and six radiologists independently reviewed ultrasound and MR images and recorded central nervous system (CNS) abnormalities, with final diagnoses being decided by consensus. Postnatal outcomes of fetuses with callosal abnormalities were compared between those with and those without other abnormalities. RESULTS: Callosal abnormalities were detected in 13% (58/430) of the fetuses referred with ventriculomegaly. Callosal dysgenesis was isolated in 24% (14/58) of these cases, with the remainder complicated by CNS, karyotypic or other major abnormalities. Five fetuses diagnosed prenatally as having isolated callosal abnormalities had additional CNS findings on postnatal assessment. Preconference kappa for callosal abnormalities was 0.76 for ultrasound and 0.78 for MRI, indicating that these investigations had a similar level of operator dependence. Neurodevelopmental outcome was normal or showed only mild delay that resolved in 67% (8/12) children with isolated callosal abnormalities compared to 7% (2/27) in those with non-isolated callosal abnormalities (P = 0.003). CONCLUSION: Callosal abnormalities are present in a significant proportion of fetuses with a diagnosis of ventriculomegaly. Isolated callosal abnormalities are associated with normal neurodevelopmental outcome in approximately two-thirds of fetuses.


Asunto(s)
Agenesia del Cuerpo Calloso/diagnóstico , Ventrículos Cerebrales/anomalías , Imagen por Resonancia Magnética/métodos , Resultado del Embarazo , Ultrasonografía Prenatal/métodos , Adulto , Agenesia del Cuerpo Calloso/diagnóstico por imagen , Femenino , Humanos , Embarazo , Estudios Prospectivos , Estadísticas no Paramétricas
11.
Int J Obes (Lond) ; 36(8): 1121-6, 2012 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-21986709

RESUMEN

OBJECTIVE: To evaluate the association between body mass index (BMI, kg m⁻²) and mortality rate among Hispanic adults. METHODS AND PROCEDURES: Analysis of five data sets (total N=16,798) identified after searching for publicly available, prospective cohort data sets containing relevant information for at least 500 Hispanic respondents (≥18 years at baseline), at least 5 years of mortality follow-up, and measured height and weight. Data sets included the third National Health and Nutrition Examination Survey, the Puerto Rico Heart Health Program (PRHHP), the Hispanic Established Population for Epidemiologic Studies of the Elderly (HEPESE), the San Antonio Heart Study (SAHS) and the Sacramento Area Latino Study on Aging. RESULTS: Cox proportional hazards regression models, adjusting for sex and smoking, were fit within three attained-age strata (18 to younger than 60 years, 60 to younger than 70 years, and 70 years and older). We found that underweight was associated with elevated mortality rate for all age groups in the PRHHP (hazard ratios [HRs]=1.38-1.60) and the SAHS (HRs=1.88-2.51). Overweight (HRs=0.38 and 0.84) and obesity grade 2-3 (HRs=0.75 and 0.60) associated with reduced mortality rate in the HEPESE dataset for those in the 60 to younger than 70 years, and 70 years and older attained-age strata. Weighted estimates combining the HRs across the data sets revealed a similar pattern. CONCLUSION: Among Hispanic adults, there was no clear evidence that overweight and obesity associate with elevated mortality rate.


Asunto(s)
Índice de Masa Corporal , Hispánicos o Latinos/estadística & datos numéricos , Obesidad/mortalidad , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Femenino , Conocimientos, Actitudes y Práctica en Salud , Humanos , Estilo de Vida , Masculino , Persona de Mediana Edad , Encuestas Nutricionales , Prevalencia , Modelos de Riesgos Proporcionales , Estudios Prospectivos , Autoimagen , Estados Unidos/epidemiología
12.
Br J Surg ; 99(1): 39-48, 2012 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-22021102

RESUMEN

BACKGROUND: The aim was to compare percutaneous transluminal angioplasty (PTA), a supervised exercise programme (SEP) and combined treatment (PTA plus SEP) for intermittent claudication due to femoropopliteal arterial disease. METHODS: Consenting patients with femoropopliteal arterial lesions were randomized to one of three treatment arms: PTA, SEP, or PTA plus SEP. All patients received optimal medical treatment. Patients were assessed at baseline and 1, 3, 6 and 12 months after intervention. Clinical (ankle pressures, walking distances, symptoms) and quality-of-life (QoL) outcomes (Short Form 36, VascuQol) were analysed. RESULTS: A total of 178 patients (108 men, median age 70 years) were included. All three treatment groups demonstrated significant clinical and QoL improvements. One year after PTA (60 patients, 8 withdrew), 37 patients (71 per cent) had improved (16 mild, 16 moderate, 5 marked), nine (17 per cent) showed no improvement and six (12 per cent) had deteriorated. After SEP (60 patients, 14 withdrew), 32 patients (70 per cent) had improved (19 mild, 10 moderate, 3 marked), six (13 per cent) showed no improvement and eight (17 per cent) had deteriorated. After PTA plus SEP (58 patients, 11 withdrew), 40 patients (85 per cent) had improved (18 mild, 20 moderate, 2 marked), seven (15 per cent) showed no improvement and none had deteriorated. On intergroup analysis, PTA and SEP alone were equally effective in improving clinical outcomes, although the effect was short-lived. PTA plus SEP produced a more sustained clinical improvement, but there was no significant QoL advantage. CONCLUSION: For patients with intermittent claudication due to femoropopliteal disease, PTA, SEP, and PTA plus SEP were all equally effective in improving walking distance and QoL after 12 months. REGISTRATION NUMBER: NCT00798850 (http://www.clinicaltrials.gov).


Asunto(s)
Angioplastia de Balón , Terapia por Ejercicio , Ejercicio Físico , Arteria Femoral/patología , Claudicación Intermitente/terapia , Arteria Poplítea/patología , Anciano , Angiografía , Arteriopatías Oclusivas/complicaciones , Arteriopatías Oclusivas/terapia , Terapia Combinada , Femenino , Humanos , Claudicación Intermitente/etiología , Masculino , Persona de Mediana Edad , Estudios Prospectivos , Calidad de Vida , Recurrencia , Retratamiento , Factores de Riesgo , Resultado del Tratamiento
13.
Transplant Proc ; 43(10): 3679-85, 2011 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-22172825

RESUMEN

Cytodiagnostic urinalysis (CDU) has been used to evaluate causes of kidney allograft dysfunction, such as an acute rejection episode (ARE), calcineurin inhibitor (CNI) toxicity, or polyoma virus infection. We examined the concordance between CDU and allograft biopsy in patients with allograft dysfunction. Between 2002 and 2006, 201 patients had CDU performed within 7 days of a biopsy. The cohort was black (73%) with, male preponderance (59.2%), and an overall mean age of 48±13 years with 46% having received a deceased donor kidney. The induction regimen consisted of either antithymocyte globulin or alemtuzumab. CDU results that demonstrated 5 to 10 lymphocytes per high-power field (HPF) and >20 lymphocytes/HPF had 2.5 increased odds of predicting acute rejection (AR) on biopsy (odds ratio [OR] 2.5; 95% confidence interval [CI] 1.12-5.79; P=.025). In the era of antithymocyte globulin induction, a CDU result demonstrating>5 lymphocytes/HPF had a 4.3 increased odds of predicting AR (CI 1.76-10.50; P=.001). This association was lost with alemtuzumab induction. A positive CDU result for calcineurin inhibitor (CNI) toxicity did not predict CNI nephrotoxcity on biopsy, but a positive CDU for polyoma virus infection predicted polyoma virus nephropathy (OR 22.18; CI: 4.41-111.63; P<.001). In conclusion, CDU is an adjunctive diagnostic tool for kidney transplantation.


Asunto(s)
Rechazo de Injerto/diagnóstico , Rechazo de Injerto/orina , Inmunosupresores/uso terapéutico , Trasplante de Riñón/inmunología , Depleción Linfocítica , Linfocitos/efectos de los fármacos , Urinálisis/métodos , Adulto , Alemtuzumab , Anticuerpos Monoclonales Humanizados/uso terapéutico , Anticuerpos Antineoplásicos/uso terapéutico , Suero Antilinfocítico/uso terapéutico , Biopsia , Distribución de Chi-Cuadrado , District of Columbia , Femenino , Rechazo de Injerto/etiología , Rechazo de Injerto/inmunología , Rechazo de Injerto/prevención & control , Humanos , Inmunosupresores/efectos adversos , Trasplante de Riñón/efectos adversos , Modelos Logísticos , Depleción Linfocítica/efectos adversos , Linfocitos/inmunología , Masculino , Persona de Mediana Edad , Oportunidad Relativa , Valor Predictivo de las Pruebas , Estudios Retrospectivos , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Trasplante Homólogo , Resultado del Tratamiento , Orina/citología
14.
Frontline Gastroenterol ; 2(1): 35-42, 2011 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-28839580

RESUMEN

The JAG Endoscopy Training System (JETS) e-portfolio was designed to provide an electronic log of endoscopic experience, improve the effectiveness of training, streamline the JAG certification process and support the quality assurance of trainers, units and regional training programmes. It was piloted in 2008 with an 82.6% uptake in trainees offered the system. The system was released in the UK in September 2009. Steady adoption across the UK demonstrates the service finds it a valuable tool. In time it will be the only vehicle through which a trainee can achieve certification through JAG to practise independently.

15.
Int J Obes (Lond) ; 35(3): 401-8, 2011 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-20680015

RESUMEN

BACKGROUND: Many large-scale epidemiological data sources used to evaluate the body mass index (BMI: kg/m(2)) mortality association have relied on BMI derived from self-reported height and weight. Although measured BMI (BMI(M)) and self-reported BMI (BMI(SR)) correlate highly, self-reports are systematically biased. OBJECTIVE: To rigorously examine how self-reporting bias influences the association between BMI and mortality rate. SUBJECTS: Samples representing the US non-institutionalized civilian population. DESIGN AND METHODS: National Health and Nutrition Examination Survey data (NHANES II: 1976-80; NHANES III: 1988-94) contain BMI(M) and BMI(SR). We applied Cox regression to estimate mortality hazard ratios (HRs) for BMI(M) and BMI(SR) categories, respectively, and compared results. We similarly analyzed subgroups of ostensibly healthy never-smokers. RESULTS: Misclassification by BMI(SR) among the underweight and obesity ranged from 30-40% despite high correlations between BMI(M) and BMI(SR) (r>0.9). The reporting bias was moderately correlated with BMI(M) (r>0.35), but not BMI(SR) (r<0.15). Analyses using BMI(SR) failed to detect six of eight significant mortality HRs detected by BMI(M). Significantly biased HRs were detected in the NHANES II full data set (χ(2)=12.49; P=0.01) and healthy subgroup (χ(2)=9.93; P=0.04), but not in the NHANES III full data set (χ(2)=5.63; P=0.23) or healthy subgroup (χ(2)=1.52; P=0.82). CONCLUSIONS: BMI(SR) should not be treated as interchangeable with BMI(M) in BMI mortality analyses. Bias and inconsistency introduced by using BMI(SR) in place of BMI(M) in BMI mortality estimation and hypothesis tests may account for important discrepancies in published findings.


Asunto(s)
Estatura , Índice de Masa Corporal , Peso Corporal , Autoevaluación Diagnóstica , Obesidad/mortalidad , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Femenino , Humanos , Lactante , Masculino , Persona de Mediana Edad , Obesidad/epidemiología , Autoinforme , Encuestas y Cuestionarios , Adulto Joven
18.
Ultrasound Obstet Gynecol ; 36(5): 582-95, 2010 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-20499405

RESUMEN

OBJECTIVES: To assess the frequency and cause of variability in diagnosis on cranial sonography and magnetic resonance imaging (MRI) in children referred following prenatal diagnosis of ventriculomegaly. METHODS: Between 19 September 2003 and 16 March 2007, 119 infants with ultrasound and/or MRI studies performed within 13 months (median, 6 days) after birth, following prenatal referral for ventriculomegaly, were studied prospectively. There were 97 infants with ultrasound results and 53 with MRI, including 31 with both. Three sonologists and three pediatric neuroradiologists interpreted the postnatal ultrasound and MRI findings, blinded to prenatal diagnosis, and a final consensus diagnosis or group of diagnoses was obtained. Ventricular sizes as well as types of and reasons for any disagreement in diagnosis were recorded. Disagreements on a per patient basis were categorized as being major when they crossed diagnostic categories and had the potential to change patient counseling. Postnatal and prenatal diagnoses were compared. RESULTS: There was prospective agreement on 42/97 (43%) ultrasound and on 9/53 (17%) MRI readings. Prospective consensus was more likely when the number of central nervous system (CNS) anomalies was lower (P < 0.001 and P = 0.002 for ultrasound and MRI, respectively). In 24/55 (44%) ultrasound and 11/44 (25%) MRI examinations with disagreement in diagnosis, there was disagreement concerning the presence of ventriculomegaly. In 22/97 (23%) ultrasound studies and 22/53 (42%) MRI studies the disagreements were potentially important. Reasons for discrepancies in the reporting of major findings included errors of observation as well as modality differences in depiction of abnormalities. In comparing prenatal with postnatal diagnoses, there were 11/97 (11%) ultrasound and 27/53 (51%) MRI examinations with newly detected major findings, the most common being migrational abnormalities, callosal dysgenesis/destruction and interval development of hemorrhage. CONCLUSION: Variability in postnatal CNS diagnosis is common after a prenatal diagnosis of ventriculomegaly. This is due in part to a lack of standardization in the definition of postnatal ventriculomegaly.


Asunto(s)
Hidrocefalia/diagnóstico , Imagen por Resonancia Magnética/métodos , Ultrasonografía Prenatal/métodos , Análisis de Varianza , Femenino , Edad Gestacional , Humanos , Hidrocefalia/embriología , Recién Nacido , Masculino , Variaciones Dependientes del Observador , Embarazo , Diagnóstico Prenatal/métodos , Estudios Prospectivos
19.
Ann Vasc Surg ; 24(1): 69-79, 2010 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-19762206

RESUMEN

BACKGROUND: To compare angioplasty (PTA), supervised exercise (SEP) and PTA + SEP in the treatment of intermittent claudication (IC) due to femoropopliteal disease. METHODS: Over a 6-year period, 178 patients (108 men; median age, 70 years) with femoropopliteal lesions suitable for angioplasty were randomized to PTA, SEP, or PTA + SEP. Patients were assessed prior to and at 1 and 3 months post treatment. ISCVS outcome criteria (ankle pressures, treadmill walking distances) and quality of life (QoL) questionnaires (SF-36 and VascuQoL) were analyzed. RESULTS: All groups were well matched at baseline. Twenty-one patients withdrew. Results are as follows: Intragroup analysis: All groups demonstrated significant clinical and QoL improvements (Friedman test, p < 0.05). SEP (60 patients, 8 withdrew)-62.7% of patients (n = 32) improved following treatment [20 mild, 9 moderate, 3 marked], 27.4% (n = 14) demonstrated no improvement, and 9.8% (n = 5) deteriorated. PTA (60 patients, 3 withdrew)-66.6% patients (n = 38) improved following treatment [19 mild, 10 moderate, 9 marked], 22.8% (n = 13) demonstrated no improvement, and 10.5% (n = 6) deteriorated. PTA + SEP (58 patients, 10 withdrew)-81.6% of patients (n = 40) improved following treatment [10 mild, 17 moderate, 3 marked], 14.2% (n = 7) demonstrated no improvement, and 4.0% (n = 2) deteriorated. Intergroup analysis: PTA + SEP produce a much greater improvement in clinical outcome measures than PTA or SEP alone, but there was no significant QoL advantage (Kruskal-Wallis test, p > 0.05). CONCLUSION: SEP should be the primary treatment for the patients with claudication and PTA should be supplemented by an SEP.


Asunto(s)
Angioplastia de Balón , Arteriopatías Oclusivas/terapia , Terapia por Ejercicio , Arteria Femoral , Claudicación Intermitente/terapia , Arteria Poplítea , Anciano , Tobillo/irrigación sanguínea , Arteriopatías Oclusivas/complicaciones , Arteriopatías Oclusivas/fisiopatología , Arteriopatías Oclusivas/psicología , Presión Sanguínea , Terapia Combinada , Prueba de Esfuerzo , Tolerancia al Ejercicio , Femenino , Arteria Femoral/fisiopatología , Humanos , Claudicación Intermitente/etiología , Claudicación Intermitente/fisiopatología , Claudicación Intermitente/psicología , Masculino , Persona de Mediana Edad , Arteria Poplítea/fisiopatología , Estudios Prospectivos , Calidad de Vida , Recuperación de la Función , Encuestas y Cuestionarios , Factores de Tiempo , Resultado del Tratamiento , Caminata
20.
Transplant Proc ; 40(10): 3451-4, 2008 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-19100411

RESUMEN

BACKGROUND: Appropriate anesthesia for pediatric renal transplantation requires stable intraoperative hemodynamics, optimal perfusion of the newly transplanted kidney and good analgesia during recovery. The aim of this study was to assess the preliminary application, success and safety of combined epidural and general anesthesia in pediatric renal transplantation in a small cohort. METHODS: We retrospectively reviewed the anesthesia records of 46 consecutive pediatric patients who received renal transplantation under combined epidural and general anesthesia from January 2003-2007. RESULTS: The mean patient age and weight were 13.2 +/- 2.4 years and 25.7 +/- 5.46 kg, respectively. The infused crystalloids, 20% albumin and red blood cell concentrates were 120 +/- 2 mL/kg to achieve a CVP of 13 to 15 mm Hg. Brisk diuresis was observed in all patients. Epidural tramadol (2 mg/kg) provided good postoperative analgesia in 89% patients. 15% patients developed radiological evidence of pulmonary edema, only one required mechanical ventilation for hypoxemia. Minor adverse effects were nausea and vomiting (17.5%) and convulsions (8.5%). No perioperative mortality or major morbidity was recorded. CONCLUSION: Epidural anesthesia is a useful adjunct to general anesthesia due to stable intraoperative haemodynamics and good postoperative analgesia.


Asunto(s)
Anestesia Epidural , Anestesia General , Trasplante de Riñón/métodos , Adolescente , Analgésicos/uso terapéutico , Niño , Terapia Combinada , Femenino , Humanos , Periodo Intraoperatorio , Enfermedades Renales/clasificación , Enfermedades Renales/cirugía , Masculino , Metilprednisolona/administración & dosificación , Metilprednisolona/uso terapéutico , Complicaciones Posoperatorias/clasificación , Complicaciones Posoperatorias/epidemiología , Periodo Posoperatorio , Estudios Retrospectivos , Vómitos/prevención & control
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