Complex high-risk and indicated percutaneous coronary intervention for stable angina: Does operator volume influence patient outcome? - 17/03/20
, Sean Gallagher, MD a, James C. Spratt, MD b, Peter Ludman, MD c, Mark de Belder, MD d, Samuel Copt, PhD e, Richard Anderson, MD a, Simon Walsh, MD f, Colm Hanratty, MD f, Nick Curzen, PhD g, Adrian Banning, MD h, Mamas Mamas, DPhil i, jAbstract |
Background |
Complex high-risk and indicated revascularization using percutaneous coronary intervention (CHIP-PCI) is an emerging concept that is poorly studied.
Objective |
To define temporal changes in CHIP-PCI volumes, and the relationship between operator CHIP-PCI volume and patient outcomes.
Methods and Results |
Data were analyzed on all CHIP-PCI procedures undertaken for stable angina in England and Wales between 2007 and 2014. Operator volume data was available for 2012-14. CHIP-PCI was defined by patient characteristics (age ≥80years, left ventricular (LV) ejection fraction <30%, previous CABG, or chronic renal failure) and/or by procedural characteristics (left main PCI, chronic total occlusion PCI, LV support, use of rotational atherectomy or laser atherectomy). CHIP-PCI as a percentage of total PCI increased from 28.1% in 2007 to 36.2% in 2014 (P < .001). Between 2012 and 2014, a total of 30,268 CHIP-PCI cases were performed. Total operator volume varied from 1 to 580 cases with median total operator volume of 29 cases. Higher operator volumes were associated with a greater degree of patient comorbidity and increasing procedural complexity. After adjustment for baseline difference, in-hospital major bleeding (P < .001 for trend), access site complications (P < .001) and coronary perforation (P = .002) were associated with increasing operator CHIP-PCI volumes. However, the frequency of in-hospital death (P = .394) and 12-month mortality (P = .638) were similar across the volume quartiles. Higher volumes quartiles were associated with a greater likelihood of same day discharge (P < .001).
Conclusions |
CHIP-PCI cases are an increasingly large population in contemporary PCI practice. Higher operator volumes were not associated with improved 12-month survival.
Condensed abstract |
Data were analyzed on all complex high-risk and indicated revascularization using percutaneous coronary intervention (CHIP-PCI) procedures in England and Wales between 2007 and 2014. CHIP-PCI as a percentage of total PCI increased from 28.1% in 2007 to 36.2% in 2014 (P < .001). Median total operator volume was 29 cases with higher volumes associated with more patient comorbidity and increasing procedural complexity. In-hospital major bleeding (P < .001 for trend), access site complications (P < .001) and coronary perforation (P = .002) all associated with increasing operator CHIP-PCI volumes. However, trends for in-hospital death (P = .394), and 12-month mortality (P = .638) were similar across the volume quartiles.
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| Conflicts of interest: No conflicts of interest for any authors, no relevant relationship with industry. Financial Support: None. |
Vol 222
P. 15-25 - avril 2020 Retour au numéro
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