Improvement in mortality risk prediction after percutaneous coronary intervention through the addition of a "compassionate use" variable to the National Cardiovascular Data Registry CathPCI dataset: a study from the Massachusetts Angioplasty Registry.

Objectives: This study investigated the impact of adding novel elements to models predicting in-hospital mortality after percutaneous coronary interventions (PCIs).

Background: Massachusetts mandated public reporting of hospital-specific PCI mortality in 2003. In 2006, a physician advisory group recommended adding to the prediction models 3 attributes not collected by the National Cardiovascular Data Registry instrument.

Plaque disruption and thrombus in Ambrose's angiographic coronary lesion types.

Lesion eccentricity with irregularities on coronary angiography is associated with ruptured plaques and thrombus based on postmortem and clinical angiographic studies. However, the predictive value of such angiographic markers of plaque disruption and thrombus remains to be determined in vivo. The purpose of this study was to establish whether Ambrose's angiographic coronary lesion types and other angiographic criteria predict the presence of disrupted plaques and thrombus using intracoronary angioscopy.

Outcomes of percutaneous coronary intervention among elderly patients in cardiogenic shock: a multicenter, decade-long experience.

Objectives: The objective of this study was to determine the characteristics and hospital mortality rate for elderly patients in cardiogenic shock undergoing emergent percutaneous coronary intervention (PCI).

Background: Early revascularization for patients with acute myocardial infarction complicated by cardiogenic shock is recommended for patients < 75 years of age. This age-restricted recommendation is based upon evidence that elderly shock patients undergoing early revascularization have extremely high hospital mortality rates.

Predicting vascular complications in percutaneous coronary interventions.

Objectives: Using a large, current, regional registry of percutaneous coronary interventions (PCI), we identified risk factors for postprocedure vascular complications and developed a scoring system to estimate individual patient risk.

Background: A vascular complication (access-site injury requiring treatment or bleeding requiring transfusion) is a potentially avoidable outcome of PCI.

Methods: Data were collected on 18,137 consecutive patients undergoing PCI in northern New England from January 1997 to December 1999.

Gender-related changes in the practice and outcomes of percutaneous coronary interventions in Northern New England from 1994 to 1999.

Objectives: We sought to determine whether the changing practice of interventional cardiology has been associated with improved outcomes for women, and how these outcomes compare with those for men.

Background: Previous work from the early 1990s suggested women are at a higher risk than men for adverse outcomes after percutaneous coronary interventions (PCIs). From 1994 to 1999 data were collected on 33,666 consecutive hospital admissions for a PCI in Northern New England.