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Glob Heart. 2015 Dec;10(4):265-72. doi: 10.1016/j.gheart.2015.04.008. Epub 2015 Aug 11.

Opportunistic Screening for CVD Risk Factors: The Dubai Shopping for Cardiovascular Risk Study (DISCOVERY).

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Dubai Heart Centre, Dubai Hospital, Dubai Health Authority, Dubai, United Arab Emirates. Electronic address:
Dubai Heart Centre, Dubai Hospital, Dubai Health Authority, Dubai, United Arab Emirates.
Rashid Hospital, Dubai Health Authority, Dubai, United Arab Emirates.
Canadian Specialist Hospital, Dubai, United Arab Emirates.
PHC, Dubai Health Authority, Dubai, United Arab Emirates.
Fujairah Hospital, Fujairah, United Arab Emirates.
United Arab Emirates University, Al Ain, United Arab Emirates.
Saif and IBHO Hospital & RAKMSU, Ras al-Khaimah, United Arab Emirates.
Institute of Cardiac Sciences, Sheikh Khalifa Medical City, Abu Dhabi, United Arab Emirates.



Comprehensive cardiovascular disease risk factor (CVDRF) screening programs are limited in the developing world. Simplifying screening can increase its utility.


The present study aims to estimate the burden of CVDRF in volunteers and the yield of newly discovered CVDRF comparing different sites and nationalities using this screening method.


Voluntary point-of-care CVDRF screening was conducted in 4 shopping malls, 9 health care facilities, and 3 labor camps in 5 cities in the United Arab Emirates. Follow-up for newly diagnosed diabetes mellitus, hypertension, and dyslipidemia was made 1 month after screening to inquire about physician consultation, confirmation of diagnosis, and lifestyle changes.


A total of 4,128 subjects were screened (43% at malls, 36% at health care facilities, and 22% at labor camps). Subjects were relatively young (38 ± 11 years), predominantly male (75%), and of diverse nationalities (United Arab Emirates: 7%, other Arabs: 10%, South Asians: 74%, other Asians: 5%, and other nationalities: 5%). CVDRF were frequent (diabetes mellitus: 32%, hypertension: 31%, dyslipidemia: 69%, current smokers: 21%, obesity: 20%, and central obesity: 24%). Most subjects (85%) had ≥1 CVDRF, and many (17%) had ≥3 CVDRF. A new diagnosis of diabetes mellitus, hypertension, or dyslipidemia was uncovered in 61.5%, with the highest yield (74.0%) in labor camps. At follow-up of those with new CVDRF, positive lifestyle changes were reported in 60%, but only 33% had consulted a doctor; of these, diagnosis was confirmed in 63% for diabetes mellitus, 93% for hypertension, and 87% for dyslipidemia.


In this relatively young and ethnically diverse cohort, CVDRF burden and yield of screening was high. Screening in these settings is pertinent and can be simplified.

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