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[Emergency catheterization in a coronary intensive care unit. The diagnostic and therapeutic implications]
Pitta M da Luz1, A Abreu, L Patrício
1Serviço de Cardiologia, Hospital de Santa Marta, Lisboa.
Insights
Emergency hemodynamic studies in the coronary intensive care unit (UCI) are crucial for accurate diagnosis and treatment planning. These cardiac catheterization procedures significantly guide therapeutic decisions for critical cardiac patients, improving outcomes.
Area of Science:
- Cardiology
- Intensive Care Medicine
- Diagnostic Imaging
Context:
- Coronary intensive care units (UCI) manage critically ill cardiac patients.
- Hemodynamic studies are vital diagnostic tools in cardiology.
- Timely and accurate diagnosis is essential for effective patient management.
Purpose:
- To evaluate the diagnostic and therapeutic role of emergency hemodynamic studies in the UCI.
- To assess the impact of cardiac catheterization on clinical diagnosis and treatment strategies.
- To determine the effectiveness of hemodynamic assessments in guiding interventions for critical cardiac conditions.
Summary:
- A retrospective study analyzed 183 patients undergoing emergency cardiac catheterization.
- Hemodynamic studies confirmed clinical diagnoses in 92% of cases and guided therapeutic decisions, including emergent surgery and percutaneous transluminal coronary angioplasty (PTCA).
- Coronary artery disease (CAD), aortic dissection, and valvular disease were primary indications, with low mortality (0.5%) and morbidity (2.7%) rates.
Impact:
- Hemodynamic studies proved decisive in therapeutic orientation for myocardial revascularization in 77% of CAD patients.
- The findings highlight the critical contribution of hemodynamic assessments to diagnostic accuracy and therapeutic planning in the UCI.
- This underscores the value of emergency cardiac catheterization in managing complex cardiac conditions and optimizing patient care pathways.
Objective:
to evaluate the diagnostic and therapeutic role of emergency hemodynamic studies, in the coronary intensive care (UCI).
Study Design:
Retrospective study of--patients (P) submitted to emergency catheterization.
Patients:
183 P (152 M and 31 F), mean age 56 +/- 11.5 years, admitted to UCI of Hospital Santa Marta and who had cardiac catheterization performed, between October 88 and November 92.
Methods:
Patient clinical files were reviewed. We considered the reasons for emergency cardiac catheterization; final diagnosis; complications in the first 24 hours; catheterization role in the therapeutic orientation.
Results:
Reasons for hemodynamic study were: coronary artery disease (CAD) in 127 P (69%); aortic dissection in 33 P (18%); valvular disease in 19 P (10%) and other in 4 P (3%). Clinical diagnosis was confirmed in 92% and changed in 8% by hemodynamic study results. Left main coronary artery disease was diagnosed in 6.5% of CAD patients. Coronary artery disease was excluded in 5 P with previous CAD diagnosis, in 19 P with aortic dissection and in 11 valvular patients. 32% of P were sent to emergent surgery: 93% ascending aortic dissection and 20% of CAD, 76% of valvular disease. The hemodynamic study was decisive in the therapeutic option of myocardial revascularization in 77% of P with CAD: 39 emergent PTCA (31%), 13 primary (33%) and 14 P oriented to elective PTCA (11%); 26 emergent surgery and 19 P oriented to elective surgery (15%). The emergency cardiac catheterization mortality rate was 0.5%, and the morbidity 2.7%.
Conclusions:
The contribution of Hemodynamic Department to UCI was decisive in the diagnostic and therapeutic orientation of critical patients.