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Dive into the research topics where Ainhoa Costas-Chavarri is active.

Publication


Featured researches published by Ainhoa Costas-Chavarri.


Transplant Infectious Disease | 2012

A multicenter study of histoplasmosis and blastomycosis after solid organ transplantation

Shellee A. Grim; Laurie A. Proia; Rachel Miller; M. Alhyraba; Ainhoa Costas-Chavarri; José Oberholzer; Nina M. Clark

S.A. Grim, L. Proia, R. Miller, M. Alhyraba, A. Costas‐Chavarri, J. Oberholzer, N.M. Clark. A multicenter study of histoplasmosis and blastomycosis after solid organ transplantation.
Transpl Infect Dis 2011. All rights reserved


BMJ Global Health | 2016

Global Surgery 2030: a roadmap for high income country actors

Joshua S Ng-Kamstra; Sarah L M Greenberg; Fizan Abdullah; Vanda Amado; Geoffrey A. Anderson; Matchecane T. Cossa; Ainhoa Costas-Chavarri; Justine Davies; Haile T. Debas; George S.M. Dyer; Sarnai Erdene; Paul Farmer; Amber Gaumnitz; Lars Hagander; Adil H. Haider; Andrew J M Leather; Yihan Lin; Robert Marten; Jeffrey T Marvin; Craig D. McClain; John G. Meara; Mira Meheš; Charles Mock; Swagoto Mukhopadhyay; Sergelen Orgoi; Timothy Prestero; Raymond R. Price; Nakul P Raykar; Johanna N. Riesel; Robert Riviello

The Millennium Development Goals have ended and the Sustainable Development Goals have begun, marking a shift in the global health landscape. The frame of reference has changed from a focus on 8 development priorities to an expansive set of 17 interrelated goals intended to improve the well-being of all people. In this time of change, several groups, including the Lancet Commission on Global Surgery, have brought a critical problem to the fore: 5 billion people lack access to safe, affordable surgical and anaesthesia care when needed. The magnitude of this problem and the worlds new focus on strengthening health systems mandate reimagined roles for and renewed commitments from high income country actors in global surgery. To discuss the way forward, on 6 May 2015, the Commission held its North American launch event in Boston, Massachusetts. Panels of experts outlined the current state of knowledge and agreed on the roles of surgical colleges and academic medical centres; trainees and training programmes; academia; global health funders; the biomedical devices industry, and news media and advocacy organisations in building sustainable, resilient surgical systems. This paper summarises these discussions and serves as a consensus statement providing practical advice to these groups. It traces a common policy agenda between major actors and provides a roadmap for maximising benefit to surgical patients worldwide. To close the access gap by 2030, individuals and organisations must work collectively, interprofessionally and globally. High income country actors must abandon colonial narratives and work alongside low and middle income country partners to build the surgical systems of the future.


World Journal of Surgery | 2017

Laparoscopic Versus Open Cholecystectomy: A Cost-Effectiveness Analysis at Rwanda Military Hospital.

Allison Silverstein; Ainhoa Costas-Chavarri; Mussa R. Gakwaya; Joseph Lule; Swagoto Mukhopadhyay; John G. Meara; Mark G. Shrime

BackgroundLaparoscopic cholecystectomy is first-line treatment for uncomplicated gallstone disease in high-income countries due to benefits such as shorter hospital stays, reduced morbidity, more rapid return to work, and lower mortality as well-being considered cost-effective. However, there persists a lack of uptake in low- and middle-income countries. Thus, there is a need to evaluate laparoscopic cholecystectomy in comparison with an open approach in these settings.MethodsA cost–effectiveness analysis was performed to evaluate laparoscopic and open cholecystectomies at Rwanda Military Hospital (RMH), a tertiary care referral hospital in Rwanda. Sensitivity and threshold analyses were performed to determine the robustness of the results.ResultsThe laparoscopic and open cholecystectomy costs and effectiveness values were


The Lancet Diabetes & Endocrinology | 2014

Surgery for diabetes in low and middle-income countries.

Ainhoa Costas-Chavarri; Rowan Gillies

2664.47 with 0.87 quality-adjusted life years (QALYs) and


International journal of breast cancer | 2016

Breast Cancer in Africa: Limitations and Opportunities for Application of Genomic Medicine.

Allison Silverstein; Rachita Sood; Ainhoa Costas-Chavarri

2058.72 with 0.75 QALYs, respectively. The incremental cost–effectiveness ratio for laparoscopic over open cholecystectomy was


BMJ Global Health | 2016

Need for a standardised procedure classification system in global surgery

Ainhoa Costas-Chavarri; John G. Meara

4946.18. Results are sensitive to the initial laparoscopic equipment investment and number of cases performed annually but robust to other parameters. The laparoscopic intervention is more cost-effective with investment costs less than


Journal of Surgical Education | 2017

Using Touch Surgery to Improve Surgical Education in Low- and Middle-Income Settings: A Randomized Control Trial.

Gisele Juru Bunogerane; Kathryn M. Taylor; Yihan Lin; Ainhoa Costas-Chavarri

91,979, greater than 65 cases annually, or at willingness-to-pay (WTP) thresholds greater than


Hand | 2012

Flexor tendon lacerations due to high-pressure water injection injury: a case report

Ainhoa Costas-Chavarri; Tolga Turker; Joseph E. Kutz

3975/QALY.ConclusionsAt RMH, while laparoscopic cholecystectomy may be a more effective approach, it is also more expensive given the low caseload and high investment costs. At commonly accepted WTP thresholds, it is not cost-effective. However, as investment costs decrease and/or case volume increases, the laparoscopic approach may become favorable. Countries and hospitals should aspire to develop innovative, low-cost options in high volume to combat these barriers and provide laparoscopic surgery.


World Journal of Surgery | 2018

Laparoscopy in Rwanda: A National Assessment of Utilization, Demands, and Perceived Challenges

Faith C. Robertson; Zeta Mutabazi; Patrick Kyamanywa; Georges Ntakiyiruta; Sanctus Musafiri; Tim Walker; Emmanuel Kayibanda; Constance Mukabatsinda; John W. Scott; Ainhoa Costas-Chavarri

534 www.thelancet.com/diabetes-endocrinology Vol 2 July 2014 6 Panagiotou O, Ioannidis J. Primary study authors of signifi cant studies are more likely to believe that a strong association exists in a heterogeneous meta-analysis compared with methodologists. J Clin Epidemiol 2012; 65: 740–47. 7 Institute of Medicine, Committee to Review Dietary Reference Intakes for Vitamin D and Calcium. Dietary reference intakes; calcium and vitamin D, 2011. http://www.nap.edu/catalog.php?record_id=13050 (accessed March 27, 2014). 8 Bischoff -Ferrari H, Dawson-Hughes B, Staehelin H, et al. Fall prevention with supplemental and active forms of vitamin D: a meta-analysis of randomized controlled trials. BMJ 2009; 339: b3692. 9 Meinart C. Clinical trials: design, conduct and analysis, 2nd edn. New York, NY: Oxford University Press, 2012. 10 Kärkkäinen MK, Tuppurainen M, Salovaara K, et al. Does daily vitamin D 800 IU and calcium 1000 mg supplementation decrease the risk of falling in ambulatory women aged 65–71 years? A 3-year randomized population-based trial (OSTPRE-FPS). Maturitas 2010; 65: 359–65.


PLOS ONE | 2018

A qualitative study on perceptions of surgical careers in Rwanda: A gender-based approach

Sojung Yi; Yihan Lin; Grace Kansayisa; Ainhoa Costas-Chavarri

As genomic medicine gains clinical applicability across a spectrum of diseases, insufficient application in low-income settings stands to increase health disparity. Breast cancer screening, diagnosis, and treatment have benefited greatly from genomic medicine in high-income settings. As breast cancer is a leading cause of both cancer incidence and mortality in Africa, attention and resources must be applied to research and clinical initiatives to integrate genomic medicine into breast cancer care. In terms of research, there is a paucity of investigations into genetic determinants of breast cancer specific to African populations, despite consensus in the literature that predisposition and susceptibility genes vary between populations. Therefore, we need targeted strengthening of existing research efforts and support of new initiatives. Results will improve clinical care through screening and diagnosis with genetic testing specific to breast cancer in African populations. Clinically, genomic medicine can provide information capable of improving resource allocation to the population which most stands to benefit from increased screening or tailored treatment modalities. In situations where mammography or chemotherapy options are limited, this information will allow for the greatest impact. Implementation of genomic medicine will face numerous systemic barriers but is essential to improve breast cancer outcomes and survival.

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Georges Ntakiyiruta

National University of Rwanda

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Sanctus Musafiri

National University of Rwanda

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Tharcisse Mpunga

National University of Rwanda

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Tim Walker

National University of Rwanda

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