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Published on: March 4, 2016
Surgery for Endocarditis in Intravenous Drug Users.
Lisa Bearpark1, Ulrik Sartipy2, Anders Franco-Cereceda2
1Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden.
Surgery for endocarditis in intravenous drug users (IVDUs) is associated with higher mortality and reoperation rates. However, IVDUs demonstrate comparable postoperative survival, highlighting the importance of preventing drug use relapse after surgery.
Area of Science:
- Cardiovascular Surgery
- Infectious Diseases
- Public Health
Background:
- Endocarditis surgery outcomes in intravenous drug users (IVDUs) are understudied.
- This study compares survival and secondary outcomes between IVDUs and non-IVDUs after endocarditis surgery.
Purpose of the Study:
- To compare long-term survival after endocarditis surgery in IVDUs versus non-IVDUs.
- To analyze reoperation, reinfection, and drug use relapse rates in IVDUs post-surgery.
Main Methods:
- Population-based, observational cohort study (2002-2019) at Karolinska University Hospital.
- Included 510 patients undergoing endocarditis surgery; data from surgical database and medical charts.
- Multivariable Cox regression used to analyze associations between intravenous drug use and survival.
Main Results:
- IVDUs (11%) had significantly higher mortality (55% vs. 29%) and reoperation rates compared to non-IVDUs.
- Adjusted hazard ratio for mortality in IVDUs was 4.12 (P < .001); reoperation hazard ratio was 3.47 (P < .001).
- High rates of death or reinfection (76%) and death or drug use relapse (89%) observed in IVDUs.
Conclusions:
- IVDUs face substantially higher mortality and reoperation risks after endocarditis surgery.
- Postoperative survival is comparable, suggesting IVDUs tolerate surgery well.
- Preventing relapse to drug use is critical for improving outcomes in IVDU patients.
Related Concept Videos
Endocarditis III: Medical Management
Endocarditis IV: Nursing Management
Endocarditis I: Introduction
Venous Thrombosis III: Interprofessional Care
Endocarditis II: Clinical Features of Infective Endocarditis
Cardiomyopathy V: Interprofessional Care

