Factors associated with depressive symptoms in patients with acute coronary syndrome undergoing percutaneous coronary intervention: A prospective cohort study.
Mana Doi, Hiroki Fukahori, Yumiko Oyama and 1 others
PMID 30338104WHAT IT FOUND
Among 36 patients after their first PCI for acute coronary syndrome, higher baseline depression, changes in illness uncertainty and feeling annoyed by tasks after discharge were associated with more depressive symptoms at one month.
No model could be built at three months.
Key findings
01Higher baseline depressive scores, changes in illness uncertainty scores and feeling annoyed by troublesome tasks after discharge were associated with depressive scores at 1 month.
02Two participants had suspected depression at T3, and most reported fear of recurrence and chest symptoms at both follow-up points.
03A regression model for T3 could not be built because of a residual assumption violation.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Only 36 of 68 participants were analysed, a response rate of 52.9%, so many participants did not complete all follow-up. The sample was small and came from seven hospitals in one region, so it may not apply to other populations. Patients with suspected baseline depression, age younger than 20 or 80 and older, previous PCI or bypass surgery, communication difficulties and other serious problems were excluded. No regression model could be built for 3 months, so factors associated with depression beyond 1 month were not established. The study is observational, so it shows association, not cause, and it did not test whether nurse assessment or advice improves outcomes.
Declared interests
The authors declared no conflicts of interest.
The easy way to misread this
Do not conclude that nurse counselling reduces uncertainty or prevents depression. The study only found associations in 36 patients, and no model could be built at 3 months.