Echocardiographic evaluation of right ventricular stroke work index in advanced heart failure: a new index?

Background: Right ventricular (RV) function plays a pivotal role in advanced heart failure patients, especially for screening those who may benefit from left ventricular assist device (LVAD) implantation. We introduce RV contraction pressure index (RVCPI) as a new echo-Doppler parameter of RV function. The accuracy of RVCPI in detecting RV failure was compared with the criterion standard, the RV stroke work index (RVSWI) obtained through right heart catheterization in advanced heart failure patients referred for heart transplantation or LVAD implantation.

A case of recurrent proliferative glomerulonephritis with monoclonal IgG deposits after kidney transplant treated with plasmapheresis.

Proliferative glomerulonephritis with monoclonal IgG deposits (PGNMID) is a rare and recently identified disease with a poor prognosis irrespective of the treatment. Recently, the possibility of recurrent or de novo PGNMID after kidney transplantation has been reported, which is associated with a better prognosis compared to PGNMID on native kidneys. Nevertheless, at present, due to the very few cases of recurrent PGNMID diagnosed, there is no proven effective treatment.

Neuropilin-1-dependent regulation of EGF-receptor signaling.

Neuropilin-1 (NRP1) is a coreceptor for multiple extracellular ligands. NRP1 is widely expressed in cancer cells and in advanced human tumors; however, its functional relevance and signaling mechanisms are unclear. Here, we show that NRP1 expression controls viability and proliferation of different cancer cells, independent of its short intracellular tail.

Targeted dual-color silica nanoparticles provide univocal identification of micrometastases in preclinical models of colorectal cancer.

Background And Methods: Despite the recent introduction of targeted bio-drugs, the scarcity of successful therapeutic options for advanced colorectal cancer remains a limiting factor in patient management. The efficacy of curative surgical interventions can only be extended through earlier detection of metastatic foci, which is dependent on both the sensitivity and specificity of the diagnostic tools.

Results: We propose a high-performance imaging platform based on silica-poly(ethylene glycol) nanoparticles doped with rhodamine B and cyanine 5.

Echo Doppler predictors of pulmonary artery hypertension in patients with systemic sclerosis.

Objectives: Evaluate echocardiographic predictors of pulmonary artery hypertension (PAH) in a prospective cohort of patients with systemic sclerosis (SSc).

Methods: 38 patients with SSc who did not have PAH and significant left heart disease, with peak tricuspid regurgitant velocity (TRV) ≤ 2.8 m/sec and systolic pulmonary artery pressure (sPAP) < 40 mmHg on echo Doppler were enrolled.

Group sequential and adaptive designs: a novel, promising tool for nursing research.

Background: In the standard approach to designing clinical trials in nursing research, the primary endpoint and test statistic to be used for the primary analysis are specified before trial initiation. The false positive error rate for the null hypothesis and statistical power to detect the targeted size of treatment effect are also specified. The main purpose of this paper is to introduce the usage of monitoring procedures on emerging data during the course of the trial, such as the group sequential and adaptive designs, to the nursing science study setting.

Loss of nephrin expression in glomeruli of kidney-transplanted patients under m-TOR inhibitor therapy.

The development of proteinuria has been observed in kidney-transplanted patients on m-TOR inhibitor (m-TORi) treatment. Recent studies suggest that m-TORi(s) may alter the behavior and integrity of glomerular podocytes. We analyzed renal biopsies from kidney-transplanted patients and evaluated the expression of nephrin, a critical component of the glomerular slit-diaphragm.

Epilepsy and brain tumors.

Purpose Of Review: To present an overview of the recent findings in pathophysiology and management of epileptic seizures in patients with brain tumors.

Recent Findings: Low-grade gliomas are the most epileptogenic brain tumors. Regarding pathophysiology, the role of peritumoral changes [hypoxia and acidosis, blood-brain barrier (BBB) disruption, increase or decrease of neurotransmitters and receptors] are of increasing importance.

Studying factors related to pressure ulcers prevention: a marginal scale model for modelling heterogeneity among hospitals.

Rationale, Aims And Objectives: The purpose of this study was to analyse risk factors associated with the presence of pressure ulcer development in patients referred to several Italian hospitals, taking properly into account the within-hospital outcome correlation.

Methods: We analysed data from a prevalence survey coordinated by the European Pressure Ulcer Advisory Panel on 12,000 hospitalized patients in Italy, collecting information on patient's risk, presence of ulcers and prevention measures. The article describes the bases which generalized estimating equations rely on as well as their statistical properties.

The impact of record-linkage bias in the Cox model.

Rationale, Aims And Objectives: Record linkage (RL) has become increasingly useful in health care administration, demographic studies, provision of health statistics and medical research. Linkage failure may occur when databases are affected by missing or inaccurate information. In particular, if the subsets of those who are not linked are not representative of the original population, the results obtained from linked data may be biased.

Life after childhood cancer: marriage and offspring in adult long-term survivors--a population-based study in the Piedmont region, Italy.

The majority of childhood cancer cases survive to adulthood. We describe the experience of marriage and reproduction as indicators of quality of life, in a population-based cohort of adult long-term survivors after early cancer reported to the Childhood Cancer Registry of Piedmont. The study included 1237 survivors with a malignant neoplasm diagnosed during 1967-2000 when aged 0-14 years, who attained age 18 years.

Reduced-intensity allogeneic hematopoietic stem cell transplantation in metastatic colorectal cancer as a novel adoptive cell therapy approach. The European group for blood and marrow transplantation experience.

Reduced-intensity conditioning (RIC) regimens for allogeneic hematopoietic stem cell transplantation (HCT) allowed the existence of an allogeneic cell-mediated antitumor effect in metastatic colorectal cancer (mCRC) to be explored. We report on 39 patients with progressing mCRC treated with different RIC regimens in a multicenter clinical trial of the European Bone Marrow Transplantation Group. Disease status at transplant was progressive disease (PD) in 31 patients (80%), stable disease (SD) in 6 (15%), and partial response (PR) in 2 (5%).

Patterns of domestic migrations and access to childhood cancer care centres in Italy: a report from the hospital based registry of the Italian Association of Pediatric Hematology and Oncology (AIEOP).

Tertiary care centres, grouped in the Italian Association of Paediatric Haematology and Oncology (AIEOP) are unevenly distributed across the country. In an attempt to describe their perceived efficacy, we matched the residence and the location of the treatment centre in 18,441 patients aged View Article and Find Full Text PDF

Combined cytomegalovirus prophylaxis in lung transplantation: effects on acute rejection, lymphocytic bronchitis/bronchiolitis, and herpesvirus infections.

Lung transplantation recipients are at high risk for herpesvirus infections. We evaluated the effect of combined cytomegalovirus (CMV) prophylaxis on CMV pneumonia, acute rejection episodes (ARE), lymphocytic bronchitis/bronchiolitis (LB), and obliterans bronchiolitis (OB) diagnosed in 180 transbronchial biopsies (TBB) of lung transplant recipients. At our center, 25 patients (control group; 1999-2002) received acyclovir for 12 months and 21 recipients (study group; 2003-2007) received combined CMV prophylaxis consisting of CMV-IG (Cytotect Biotest) for 12 months and ganciclovir or valganciclovir from postoperative day 21 for 3 weeks.

Computing hospitalization rates in presence of repeated events: impact and countermeasures to avoid misinterpretation.

Rationale, Aims And Objectives: The admission rate, including both first and recurrent events, is a clear overall measure of hospital utilization, its variability accounting for individual propensity to disease recurrence.

Method: In this paper, we compared two variance estimators derived from the Poisson and negative binomial distribution of directly and indirectly age/gender-standardized hospitalization rates allowing for multiple events. The latter approach accommodates departures from the assumption of randomness of repeated events required by the Poisson distribution.

Expected number of childhood cancers in Italy from 2001 to 2015.

The total number of children with incident cancer in Italy has never been specifically estimated. Specialized population-based Childhood Cancer Registries have only been operating in Piedmont (CCRP) and in the Marche region, while general population cancer registries cover about 20% of the Italian population. The number of expected cases of childhood cancer (0-14 years) in Italy in the period 2001-2015 has been estimated using CCRP incidence rates and annual percentage changes.

Malignant renal tumours incidence and survival in European children (1978-1997): report from the Automated Childhood Cancer Information System project.

More than 5000 cases of malignant renal tumour diagnosed in children under the age of 15 years during the period 1978-1997 in Europe, were extracted from the database of the Automated Childhood Cancer Information System (ACCIS). In 1988-1997 the age-standardised incidence rate of childhood renal tumours in Europe was 8.8 per million, with significant differences between regions.

Late deaths among five-year survivors of childhood cancer. A population-based study in Piedmont Region, Italy.

Background And Objectives: The aim of this study was to analyze late mortality among 5-year survivors of childhood cancer, in Piedmont (Italy), in terms of risk factors and causes of death.

Design And Methods: From 1967 to 1999, the Childhood Cancer Registry of Piedmont recorded 3164 incident cases. Patients identified only by a death certificate (n = 59), lost to follow-up (n = 32), alive with a period of observation shorter than 5 years at the end of follow-up (n = 65) and records corresponding to a second malignant tumor during childhood (n = 9) were excluded from the analyses.

Time trends and prognostic factors for survival from childhood cancer: a report from the Childhood Cancer Registry of Piedmont (Italy).

Survival after childhood cancer has been improving since the late 1970s in most developed countries. The Childhood Cancer Registry of Piedmont has been recording malignant tumors in children (0-14 years) throughout Piedmont since 1967. The present paper is based on the records of the 2,970 children diagnosed during the period 1970-2001; survival rates are estimated up to June 30, 2004.

Life expectancy as an indicator of outcome in follow-up of population-based cancer registries: the example of childhood leukemia.

Background: Survival analysis is a standard methodology to assess progress in oncology disease treatment. However, survival analysis commonly only measures survival during the treatment period (and the period immediately afterwards), and does not provide an estimate of life expectancy, which is often of more interest to patients and to health policy makers. In this paper we propose a method to estimate childhood acute lymphoblastic leukemia (ALL) life expectancy through the integration of traditional survival analysis and life expectancy tables.

Closure of an iatrogenic tracheo-esophageal fistula with bronchoscopic gluing in a mechanically ventilated adult patient.

Management of acquired nonmalignant tracheo-esophageal fistula (TEF) in mechanically ventilated patients is controversial. Surgical correction is often contraindicated because the high operative risk and spontaneous closure is unlikely due to the positive pressure ventilation. We present a case of successful closure of an iatrogenic TEF in a mechanically ventilated patient with bronchoscopic application of fibrin glue.

Increased risk of malignant mesothelioma of the pleura after residential or domestic exposure to asbestos: a case-control study in Casale Monferrato, Italy.

The association of malignant mesothelioma (MM) and nonoccupational asbestos exposure is currently debated. Our study investigates environmental and domestic asbestos exposure in the city where the largest Italian asbestos cement (AC) factory was located. This population-based case-control study included pleural MM (histologically diagnosed) incidents in the area in 1987-1993, matched by age and sex to two controls (four if younger than 60).

Strategic issues in the design and interpretation of studies on metabolic polymorphisms and cancer.

This chapter describes in a simple way the most important issues of epidemiological design, with emphasis on studies on metabolic polymorphisms. Different options are offered to the researcher who approaches a molecular epidemiology study. Case-control studies and cohort studies have different and sometimes complementary advantages and disadvantages.