ArticleIndian heart journal
Clinical characteristics and outcomes of Australian and Indian ST-segment elevation myocardial infarction (STEMI) patients treated with primary percutaneous coronary intervention (PCI).
Article in Indian heart journal. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe incidence of STEMI and subsequent mortality has been reported to be higher in Indian populations compared to developed countries. However, there is limited data directly comparing contemporary primary percutaneous coronary intervention (pPCI) treatment strategies and clinical outcomes for STEMI patients between developed and developing countries. MATERIALS AND
methodsWe compared population demographics, procedural characteristics, times to reperfusion and mortality in STEMI patients treated with pPCI between two tertiary referral centers in India and Australia respectively over a 3-year period (1st Jan 2017-31st Dec 2019).
resultsA total of 1293 STEMI presentations (896 Indian vs 397 Australian) were included. On average, Indian patients had lower median BMI than Australian patients (BMI 25.4 vs 27.8; p < 0.001), were significantly younger (mean age 56.0 vs 63.2 years; p < 0.001), more likely male (84 % vs 80 %; p = 0.046) and diabetic (48 % vs 18 %); p < 0.001). Radial access (50 % vs 88 %; p < 0.001) and TIMI III flow post PCI was also significantly lower (85 % vs 96 %; p < 0.001) with median door-to-balloon time significantly shorter in the Indian cohort (20mins vs 43mins; p < 0.001); however, median symptom to balloon time was significantly longer (245mins vs 160mins; p < 0.001). No significant differences in 30-day mortality (4.0 % vs 2.8 % Australian; p = 0.209) or 1-year mortality (6.5 % vs 4.3 %; p = 0.120) were observed.
conclusionSignificant differences in demographics and presentation characteristics exist between Indian and Australian STEMI patients treated with pPCI. Indian patients had significantly longer pre-hospital delays and lower achievement of TIMI III flow post PCI, yet shorter in-hospital time to treatment.
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