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Table of Contents    
CORRESPONDENCE
Year : 2018  |  Volume : 66  |  Issue : 1  |  Page : 276-278

The Indo-US Collaborative Stroke Registry and infrastructure development project


1 Department of Neurology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
2 Department of Neurology, Christian Medical College and Hospital (CMC), Ludhiana, Punjab, India
3 Department of Neurology, Sree ChitraTirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India
4 Department of Neurology, Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India
5 Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
6 Department of Neurology, Massachusetts General Hospital, Boston, USA

Date of Web Publication11-Jan-2018

Correspondence Address:
Dr. Dheeraj Khurana
Department of Neurology, PGIMER, Sector 12, Chandigarh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.222871

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How to cite this article:
Khurana D, Pandian J, Sylaja P N, Kaul S, Padma Srivastava M V, Thakur S, Arora D, Thankachan T, Singhal AB. The Indo-US Collaborative Stroke Registry and infrastructure development project. Neurol India 2018;66:276-8

How to cite this URL:
Khurana D, Pandian J, Sylaja P N, Kaul S, Padma Srivastava M V, Thakur S, Arora D, Thankachan T, Singhal AB. The Indo-US Collaborative Stroke Registry and infrastructure development project. Neurol India [serial online] 2018 [cited 2018 Oct 18];66:276-8. Available from: http://www.neurologyindia.com/text.asp?2018/66/1/276/222871




Stroke is the second-most common cause of death in the world, accounting for approximately 12% of all deaths. It is the leading cause of long-term disability with an enormous socioeconomic burden.[1] Developing countries account for 85.5% of global stroke mortality, have a higher prevalence of stroke in young individuals,[2] and are burdened with significantly greater stroke-related disability. In India, stroke leads to 10 disability-adjusted life years (DALYs) loss per 1000 population, versus only 4 in USA.[3] Estimates from the Indian Council of Medical Research (ICMR, 2004 data) implicate stroke as the cause for 41% of deaths and 72% DALYs among noncommunicable diseases.[4] The age standardized incidence rates from various parts of India have ranged from 130 to 152/100,000.[5],[6],[7],[8] The situation is more alarming in the rural areas, where it has been found to be the leading cause of death.[9],[10] Particularly relevant to the Indian population is the relative lack of awareness of symptoms of stroke, the high rates of untreated vascular risk factors such as hypertension and diabetes, and the cultural and socioeconomic barriers.[11],[12],[13]

Fortuitously, the Ministry of Health and Family Welfare, Government of India, and other health agencies, have started recognizing the importance of stroke prevention and management and have funded local stroke registry development efforts. However, current efforts remain hampered by the extant issues, such as the lack of basic infrastructure, which includes the lack of emergency services with neuroimaging facilities, dedicated stroke teams, stroke units, as well the existence of nonstandardized protocols.[10] In addition, limited availability of resources and well-trained research personnel to acquire accurate data, and the use of varying definitions to define the same types of data sets make it difficult to share and compare data. It is imperative to develop methods to promote awareness of stroke symptoms, improve transportation, and educate the treating teams at local hospitals to facilitate an early referral to the stroke centers for a timely imaging, diagnosis, and treatment,[14] and to enhance the existing knowledge and infrastructure.[15] India has also witnessed advancement in stroke services at the state levels for acute stroke management using smartphone-based low-cost technology for remote areas.[16]

Over the past decade, the U.S. National Institutes of Health and National Institute of Neurological Disorders and Stroke (NIH-NINDS) has recognized that important questions related to stroke will require collecting and (for statistical power) pooling of phenotypic, imaging, and genetic data from multiple sites. With foresight and careful planning, the NINDS has funded the creation of nationwide stroke databases that have fostered collaborative research in the fields of stroke epidemiology, genetics, imaging, and therapeutics. However, the ongoing U.S. efforts lack multiethnic data, and the pace of scientific discovery and clinical trial execution remains slower than desired.

The Indo-US Collaborative Stroke Program (IUCSP) is one such program which seeks to leverage the existing U.S. NINDS-funded stroke infrastructure and national registry and database efforts, to (a) prospectively collect Indian stroke patient data in a format that will enable comparative analysis within and between stroke centers in India and USA, resulting in stroke quality improvement; and, (b) train a core group of stroke researchers within a network of Indian stroke centers, to create a robust infrastructure that will enable future stroke clinical and research trials and collaborative clinical, genetic, and imaging studies.

The collaboration is constituted by five geographically diverse Indian stroke centers and one U.S. hospital, which are large academic teaching institutions with well-organized stroke programs, written protocols, and trained stroke experts. Stroke patients would be undergoing laboratory and imaging evaluations based on clinical indications. All the centers have advanced stroke imaging [computed tomography/magnetic resonance imaging (CT/MRI)] capability and vascular ultrasound.

Data collection is planned for approximately 2000 patients, to allow for an internal comparative analysis as well as comparisons against the Massachusetts General Hospital (MGH) stroke registry. The data will be shared in a manner approved by local Institutional Review Boards/Institutional Ethics Committees, using Health Insurance Portability and Accountability Act (HIPPA)-compliant procedures. Approved end-users will have free access to enter and view data. De-identified data will be shared with existing national stroke data repositories [Figure 1]. A steering committee comprising lead researchers from the six participating centers will oversee data sharing and collaboration.
Figure 1: Outline of the study

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Data will be entered in a secure web-based electronic platform. Data variables will include a comprehensive set of fields from the NINDS Stroke Common Data Elements and American Heart and Stroke Association's Get-with-the-Guidelines initiatives, as well as certain fields specific to the Indian stroke setting (for example,“beedi” and “paan” consumption). Data definitions consistent with the US-based registries will facilitate prompt and accurate comparison. The research coordinator and the research assistant will collect data of the recruited patients based on the inclusion and exclusion criteria [Table 1] on demographics, risk factors, prehospital care, thrombolysis, inpatient management including quality of care, complications, laboratory test results, imaging, medications, and outcomes until 90 days. Training and supervision will be conducted by two Project Managers located in India and USA via periodic conference calls, video conferences, in-person visits, and annual investigator meetings on the National Institutes of Health Stroke Scale and the modified Rankin Scale. They will be trained on using the web-based “Causative Classification of Stroke” tool to assign stroke mechanism (ccs.martinos.org) and to interpret brain imaging findings. As far as possible, the onsite principal investigators will work with the research associates to determine stroke mechanism and interpret brain imaging abnormalities. Training sessions will be particularly focused on data definitions for key variables, for example, hypertension and nil-per-oral. Data accuracy will be confirmed with chart audits, database queries, and logic checks.
Table 1: Inclusion and exclusion criteria

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The innovation of this project lies in the use of existing knowledge and NIH-funded resources in USA to develop a shared “Informatics Platform” in India that will be readily accessible via the internet, allowing cross-site and cross-country collaborative research to occur instantly. The platform will rapidly advance science and increase the return-on-investment already made by US and Indian Governments in the field of stroke research. The long-term plan is to expand the registry to additional sites and to begin collaborative neuroimaging, clinical and genetic studies in stroke.

It is hypothesized that a powerful and detailed study comparing stroke in India versus USA will help to reveal new etiological insights. Creation of an informatics platform via the proposed Pilot Indian Stroke Registry, using data fields and definitions consistent with existing NIH-funded efforts, will enable collaboration in future genetic and imaging-based studies, thereby enhancing the scope of ongoing NIH registries efforts in USA and around the world. The training and infrastructure development proposed herein will integrate the research capabilities of several high-volume stroke centers across India with centers in USA, enhancing the pool of stroke centers that can collaborate to conduct more efficient stroke therapeutic trials.

From the Indian standpoint, the collaborative Pilot Indian Stroke Registry will provide standardized and accurate information on stroke risk factors, thrombolysis, in-hospital complications, and outcomes from different regions, while from the US standpoint, this proposal will enhance the significance of NIH-funded research by bringing in a large volume of data from a multiethnic population. The training and infrastructure developed as part of this proposal will augment ongoing local and regional efforts. It is anticipated that this effort will allow Indian researchers to collaborate with colleagues around the world and contribute to cutting-edge science and quality improvement efforts.

Financial support and sponsorship

NIH, USA- 1 R21 NS077442-01 and Department of Biotechnology (DBT), India- BT/MB/BRCP/08/2011.

Conflicts of interest

There are no conflicts of interest.



 
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