Comparing ST-segment elevation myocardial infarction care between patients residing in central and remote locations: a retrospective case series.
Kamona, Ahmad; Cunningham, Scott; Addison, Brian; Rushworth, Gordon F.; Call, Andrew; Bloe, Charles; Innes, Alistair; Bond, Raymond R.; Peace, Aaron; Leslie, Stephen James
Professor Scott Cunningham email@example.com
Dr Brian Addison firstname.lastname@example.org
Academic Strategic Lead
Gordon F. Rushworth
Raymond R. Bond
Stephen James Leslie
People who experience an ST-elevation myocardial infarction (STEMI) due to an occluded coronary artery require prompt treatment. Treatments to open a blocked artery are called reperfusion therapies (RTs), and can include intravenous pharmacological thrombolysis (TL) or primary percutaneous coronary intervention (pPCI) in a cardiac catheterisation laboratory (cath lab). Optimal RT (ORT) with pPCI or TL reduces morbidity and mortality. In remote areas, a number of geographical and organisational barriers may influence access to ORT. These are not well understood, and the exact proportion of patients who receive ORT - and the relationship to time of day and remoteness from the cardiac cath lab - is unknown. The aim of this retrospective study was to compare the characteristics of ORT delivery in central and remote locations in the north of Scotland, and to identify potential barriers to optimal care with a view to service redesign. The study was set in the north of Scotland. All patients who attended hospital with a STEMI between March 2014 and April 2015 were identified from national coding data. A data collection form was developed by the research team in several iterative stages. Clinical details were collected retrospectively from patients' discharge letters. Data included treatment location, date of admission, distance of patient from the cath lab, route of access to health care, left ventricular function and RT received. Distance of patients from the cath lab was described as remote if they were more than ninety minutes of driving time from the cardiac cath lab, and described as central if they were ninety minutes or less of driving time from the regional centre. For patients who made contact in a pre-hospital setting, ORT was defined as pre-hospital TL (PHT) or pPCI. For patients who self-presented to the hospital first, ORT was defined as in-hospital TL or pPCI. Data were described as mean (standard deviation) as appropriate. Chi-squared and student's t-test were used as appropriate. Each case was reviewed to determine if ORT was received; if ORT was not received, the reasons for this were recorded to identify potentially modifiable barriers. Of the 627 acute myocardial infarction patients initially identified, 131 had a STEMI, and the others were non-STEMI. From this STEMI cohort, 82 (62%) patients were classed as central and 49 (38%) were remote. In terms of initial therapy, 26 (20%) received pPCI, 19 (15%) received PHTs, 52 (40%) received in-hospital TL, while 33 (25%) received no initial RT. ORT was received by 53 (65%) central and 20 (41%) remote patients; chi-squared = 7.05, degrees of freedom = 130, p < 0.01).Several recurring barriers were identified. This study has therefore demonstrated a significant health inequality between the treatment of STEMI in remote locations compared to central locations. Potential barriers identified include staffing availability and training, public awareness and inter-hospital communication. This suggests that there remain significant opportunities to improve STEMI care for people living in the north of Scotland.
KAMONA, A., CUNNINGHAM, S., ADDISON, B., RUSHWORTH, G.F., CALL, A., BLOE, C., INNES, A., BOND, R.R., PEACE, A. and LESLIE, S.J. 2018. Comparing ST-segment elevation myocardial infarction care between patients residing in central and remote locations: a retrospective case series. Rural and remote health [online], 18(4), article ID 4618. Available from: https://doi.org/10.22605/RRH4618
|Journal Article Type||Article|
|Acceptance Date||Jun 8, 2018|
|Online Publication Date||Oct 27, 2018|
|Publication Date||Dec 31, 2018|
|Deposit Date||Nov 9, 2018|
|Publicly Available Date||Nov 9, 2018|
|Journal||Rural and remote health|
|Publisher||James Cook University|
|Peer Reviewed||Peer Reviewed|
|Keywords||Myocardial infarction; Reperfusion therapies; Retrospective review; Scotland; STEMI; Thrombolysis|
KAMONA 2018 Comparing ST-segment elevation
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