• Mary P Mercer, Swaminatha V Mahadevan, Elizabeth Pirrotta, G V Ramana Rao, Sreeram Sistla, Bhanuprasad Nampelly, Rajini Danthala, Anne N T Strehlow, and Matthew C Strehlow.
• Department of Emergency Medicine, University of California San Francisco, San Francisco, California.
• J Emerg Med. 2015 Oct 1; 49 (4): 448-54.

BackgroundShortness of breath is a frequent reason for patients to request prehospital emergency medical services and is a symptom of many life-threatening conditions. To date, there is limited information on the epidemiology of, and outcomes of patients seeking emergency medical services for, shortness of breath in India.ObjectiveThis study describes the characteristics and outcomes of patients with a chief complaint of shortness of breath transported by a public ambulance service in the state of Andhra Pradesh, India.MethodsThis prospective, observational study enrolled patients with a chief complaint of shortness of breath during twenty-eight, 12-h periods. Demographic and clinical data were collected from emergency medical technicians using a standardized questionnaire. Follow-up information was collected at 48-72 h and 30 days.ResultsSix hundred and fifty patients were enrolled during the study period. The majority of patients were male (63%), from rural communities (66%), and of lower socioeconomic status (78%). Prehospital interventions utilized included oxygen (76%), physician consultation (40%), i.v. placement (15%), nebulized medications (13%), cardiopulmonary resuscitation (5%), and bag-mask ventilation (4%). Mortality ratios before hospital arrival, at 48-72 h, and 30 days were 12%, 27%, and 35%, respectively. Forty-six percent of patients were confirmed to have survived to 30 days. Predictors of death before hospital arrival were symptoms of chest pain (16% vs. 12%; p < 0.05) recent symptoms of upper respiratory infection (7.5% vs. 4%; p < 0.05), history of heart disease (14% vs. 7%; p < 0.05), and prehospital hypotension, defined as systolic blood pressure <90 mm Hg (6.3% vs. 3.7%; p < 0.05).ConclusionsAmong individuals seeking prehospital emergency medical services in India, the chief complaint of shortness of breath is associated with a substantial early and late mortality, which may be in part due to the underutilization of prehospital interventions.Copyright © 2015 Elsevier Inc. All rights reserved.

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