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1.
Mayo Clin Proc ; 89(4): 472-7, 2014 Apr.
Article in English | MEDLINE | ID: mdl-24656058

ABSTRACT

OBJECTIVE: To determine the prolonged effect of Hurricane Katrina on the incidence and timing of acute myocardial infarction (AMI) in the city of New Orleans. PATIENTS AND METHODS: Our study population consisted of 1476 patients with AMI before (August 29, 1999, to August 28, 2005) and after (February 14, 2006, to February 13, 2012) Hurricane Katrina at Tulane University Health Sciences Center to determine post-Katrina alterations in the occurrence and timing of AMI. RESULTS: Compared with pre-Katrina values, there was a more than 3-fold increase in the percentage of admissions for AMI during the 6 years after Hurricane Katrina (P<.001). The percentage of admissions for AMI after Hurricane Katrina increased significantly on nights (P<.001) and weekends (P<.001) and decreased significantly on mornings (P<.001), Mondays (P<.001), and weekdays (P<.001). Patients with AMI after Hurricane Katrina also had significantly higher rates of psychiatric comorbidities (P=.01), smoking (P<.001), lack of health insurance (P<.05), and unemployment (P<.001). CONCLUSION: These results indicate that the effect of natural disasters on the occurrence of AMI may persist for at least a 6-year period and may be related to various factors including population shifts, alterations in the health care system, and the effects of chronic stress and associated behaviors.


Subject(s)
Acute Coronary Syndrome/epidemiology , Cyclonic Storms , Disasters , Hospitalization/statistics & numerical data , Myocardial Infarction/epidemiology , Acute Coronary Syndrome/etiology , Acute Coronary Syndrome/psychology , Adult , Age Distribution , Aged , Cohort Studies , Female , Follow-Up Studies , Humans , Incidence , Male , Middle Aged , Myocardial Infarction/etiology , Myocardial Infarction/psychology , New Orleans , Retrospective Studies , Risk Assessment , Severity of Illness Index , Sex Distribution , Stress, Psychological/epidemiology , Stress, Psychological/etiology , Survival Analysis , Time Factors
2.
Proc (Bayl Univ Med Cent) ; 26(3): 277-9, 2013 Jul.
Article in English | MEDLINE | ID: mdl-23814390

ABSTRACT

An abnormal electrocardiographic stress test is typically characterized by ST segment depression. In rare cases, ST segment elevation is observed, which, in the absence of diagnostic Q waves, has anatomic specificity for localized myocardial ischemia. Most instances of ST elevation occurring during cardiac stress testing have been observed with exercise, with only six cases reported with pharmacologic stress. Despite different physiologic mechanisms for inducing myocardial ischemia, development of ST segment elevation during pharmacologic stress, as illustrated by the present case, may also be indicative of critical coronary stenoses, warranting urgent coronary arteriography.

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