Francesca Celletti - Academia.edu (original) (raw)

Papers by Francesca Celletti

Journal of the International AIDS Society, 2016

Introduction: At least 36 countries are suffering from severe shortages of healthcare workers and... more Introduction: At least 36 countries are suffering from severe shortages of healthcare workers and this crisis of human resources in developing countries is a major obstacle to scale-up of HIV care. We performed a case study to evaluate a health service delivery model where a task-shifting approach to HIV care had been undertaken with tasks shifted from doctors to nurses and community health workers in rural Haiti. Methods: Data were collected using mixed quantitative and qualitative methods at three clinics in rural Haiti. Distribution of

Bulletin of The World Health Organization, 2007

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Current Opinion in HIV and AIDS, 2016

Only 51% of HIV-exposed infants receive an HIV test between 4 and 6 weeks of age, with even lower... more Only 51% of HIV-exposed infants receive an HIV test between 4 and 6 weeks of age, with even lower repeat testing rates at older ages, and only 49% of infants tested are initiated on antiretroviral therapy. The purpose of this article is to discuss potential solutions for increasing coverage of early infant diagnosis (EID), decreasing turnaround time for result return, improving linkages to care and treatment and fulfilling the objective of improving outcomes for HIV-infected children. Differences in HIV testing guidelines have emerged in different countries, with some recommending HIV testing at birth. Although EID programs are not yet optimal, some solutions have proven successful including the use of short message service printers, community-based interventions and support and education of mothers. Birth and EID point-of-care testing have emerged as potential game changers for improving EID programs. For EID programs to impact on child health outcomes, by preventing HIV-associated morbidity and mortality, and provide more value than a mere surveillance tool, efforts need to be aligned toward the implementation of a comprehensive set of interventions that take cognizance of different contexts, epidemiology and health systems, and that are backed by political and community support.

Journal of vascular and interventional radiology : JVIR, 2002

Therapeutic angiogenesis represents a new paradigm for treatment of ischemic vascular syndromes. ... more Therapeutic angiogenesis represents a new paradigm for treatment of ischemic vascular syndromes. However, vascular endothelial growth factor (VEGF) enhances the rate and degree of plaque formation. This study evaluates the potential to block these effects nonspecifically with paclitaxel or specifically with angiostatin. Recombinant human VEGF(165) (rhVEGF) was administrated intramuscularly (2-microg/kg single injection) in combination with adventitial delivery of paclitaxel, angiostatin, or vehicle alone at the site of femoral arterial balloon overdilation injury in New Zealand White rabbits (n = 5 per treatment). Five additional animals with no rhVEGF and no adventitial delivery served as procedural controls. All rabbits were fed according to a 0.25% cholesterol diet beginning 28 days before angioplasty. Treated arteries were harvested after 7 days and evaluated to determine intima-to-media (I/M) ratios, macrophage infiltrate, and endothelial cell density. On histologic analysis, t...

Journal of Hospital Administration, 2013

Calls for evidence-based health policy have gathered force as an extension of the movement for ev... more Calls for evidence-based health policy have gathered force as an extension of the movement for evidence-based medicine. In clinical medicine, major investment has been made in efforts to systematize the collection and analysis of data and distinguish effective interventions from those that are less likely to work. In contrast, there is little consensus on what data are needed and what research methods are suitable and acceptable to produce a robust evidence base for social policy in the health sector. Evidence gathering for health policy must synthesise diverse sources, recognise the extent to which context influences policy outcomes, accommodate potentially conflicting interests and be flexible enough to respond to the time and resources pressures that are at play. Despite the challenges, there is scope for the development of a methodology that can draw on a wide range of evidence sources while retaining sufficient scientific rigour. These sources should extend from data generated ...

Oxford Textbook of Medical Education, 2013

Journal of Vascular and Interventional Radiology, 2002

Journal of the American College of Cardiology, 2001

This study was designed to evaluate the impact of recombinant human vascular endothelial growth f... more This study was designed to evaluate the impact of recombinant human vascular endothelial growth factor165 (rhVEGF) on atherosclerotic plaque progression. Therapeutic angiogenesis represents a promising treatment for ischemic diseases. However, angiogenesis may impact atherosclerosis. Albumin or rhVEGF was administered by a single intramuscular injection (2 microg/kg body weight) to New Zealand White rabbits fed with a 0.25% cholesterol diet beginning three weeks before therapy. Subsets of rabbits from each group underwent perfusion-fixation and harvesting of the thoracic aorta for morphometric and immunohistochemical analyses at 7 or 21 days. The mean plaque area was 15.75+/-2.28% and 22.00+/-3.24% with VEGF and 0.67+/-0.22% and 1.17+/-0.34% with albumin at 7 and 21 days, respectively. The plaque circumference was 13.00+/-2.58% and 23.75+/-2.86% with VEGF and 2.50+/-0.65% and 6.25+/-1.88% with albumin at 7 and 21 days, respectively. The maximal plaque thickness was 0.11+/-0.002 and 0.15+/-0.007 mm with VEGF and 0.04+/-0.009 and 0.07+/-0.003 mm with albumin at 7 and 21 days, respectively. The endothelial density (reported as percent total plaque area) was 31.75+/-4.42% and 63.00+/-8.45% with VEGF and 7.75+/-1.65% and 12.75+/-1.93% with albumin at 7 and 21 days, respectively. The macrophage density was 4.5+/-0.86 and 19.25+/-1.54 with VEGF and 4.26+/-0.75 and 6.00+/-1.08 with albumin at 7 and 21 days, respectively. Recombinant human VEGF increases the rate and degree of atherosclerotic plaque formation in the thoracic aorta in a cholesterol-fed rabbit model.

Journal of Interprofessional Care, 2012

To examine the attitudes of medical school deans toward interprofessional education (IPE) and col... more To examine the attitudes of medical school deans toward interprofessional education (IPE) and collaborative practice (CP), we conducted survey research in the Western Pacific Region. This regional survey was conducted as a collaborative research project with the World Health Organization. A survey was distributed to the medical school deans in Malaysia, the Philippines, Republic of Korea and Japan. Thirty-five surveys were returned from four countries. The survey demonstrated that many medical school deans have positive attitudes toward IPE and CP. However, respondents also reported that it is not easy to introduce interprofessional learning in their academic settings. It is suggested that collaboration between education systems and health systems is needed to introduce IPE in the academic setting. The possible role of international organizations is mentioned. This information helps to identify local efforts on which global health organizations and national governments can build.

Journal of the International Association of Providers of AIDS Care (JIAPAC), 2015

Background: An estimated 50% of people living with HIV (PLHIV) globally are unaware of their stat... more Background: An estimated 50% of people living with HIV (PLHIV) globally are unaware of their status. Among those who know their HIV status, many do not receive antiretroviral therapy (ART) in a timely manner, fail to remain engaged in care, or do not achieve sustained viral suppression. Barriers across the HIV care continuum prevent PLHIV from achieving the therapeutic and preventive effects of ART. Methods: A systematic literature search was conducted, and 6132 articles, including randomized controlled trials, observational studies with or without comparators, cross-sectional studies, and descriptive documents, met the inclusion criteria. Of these, 1047 articles were used to generate 36 recommendations to optimize the HIV care continuum for adults and adolescents. Recommendations: Recommendations are provided for interventions to optimize the HIV care environment; increase HIV testing and linkage to care, treatment coverage, retention in care, and viral suppression; and monitor the...

PLOS One, 2011

Aids, 2010

In countries severely affected by HIV/AIDS, shortages of health workers present a major obstacle ... more In countries severely affected by HIV/AIDS, shortages of health workers present a major obstacle to scaling up HIV services. Adopting a task shifting approach for the deployment of community health workers (CHWs) represents one strategy for rapid expansion of the health workforce. This study aimed to evaluate the contribution of CHWs with a focus on identifying the critical elements of an enabling environment that can ensure they provide quality services in a manner that is sustainable.

Lancet

National health systems need strengthening if they are to meet the growing challenge of chronic d... more National health systems need strengthening if they are to meet the growing challenge of chronic diseases in low-income and middle-income countries. By application of an accepted health-systems framework to the evidence, we report that the factors that limit countries' capacity to implement proven strategies for chronic diseases relate to the way in which health systems are designed and function. Substantial constraints are apparent across each of the six key health-systems components of health financing, governance, health workforce, health information, medical products and technologies, and health-service delivery. These constraints have become more evident as development partners have accelerated efforts to respond to HIV, tuberculosis, malaria, and vaccine-preventable diseases. A new global agenda for health-systems strengthening is arising from the urgent need to scale up and sustain these priority interventions. Most chronic diseases are neglected in this dialogue about health systems, despite the fact that non-communicable diseases (most of which are chronic) will account for 69% of all global deaths by 2030 with 80% of these deaths in low-income and middle-income countries. At the same time, advocates for action against chronic diseases are not paying enough attention to health systems as part of an effective response. Efforts to scale up interventions for management of common chronic diseases in these countries tend to focus on one disease and its causes, and are often fragmented and vertical. Evidence is emerging that chronic disease interventions could contribute to strengthening the capacity of health systems to deliver a comprehensive range of services—provided that such investments are planned to include these broad objectives. Because effective chronic disease programmes are highly dependent on well-functioning national health systems, chronic diseases should be a litmus test for health-systems strengthening.