Cannabis use linked to higher complication rates after breast implant reconstruction

Active cannabis users had significantly higher rates of infection, explantation, ER visits, and reoperation after direct-to-implant breast reconstruction, though the cannabis group was small.

Al-Saghir, Tala et al.·Plastic and reconstructive surgery. Global open·2024·lowretrospective cohort
RTHC-05071Retrospective cohortlow2024RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
retrospective cohort
Evidence
low
Sample
N=243

What This Study Found

Among 243 patients undergoing immediate direct-to-implant breast reconstruction, 12 active cannabis users showed significantly higher rates of cellulitis requiring IV antibiotics, explantation for infection, ER visits, readmission, and reoperation within 90 days compared to non-users.

Key Numbers

243 total patients, 12 active cannabis users. Significant increases in cellulitis with IV antibiotics (p=0.004), explantation for infection (p=0.004), ER visits (p=0.028), readmission (p=0.037). Adjusted OR for takeback to OR within 90 days: 4.75 (p=0.001). Major complications OR: 2.26 (p=0.048).

How They Did This

Retrospective cohort study at a quaternary-care breast cancer center examining consecutive patients undergoing immediate direct-to-implant reconstruction. Active cannabis use was defined as use within 12 weeks of surgery. Univariate and multivariable analyses were performed.

Why This Research Matters

As cannabis use becomes more common, surgeons and patients need data on how it may affect surgical outcomes. This study suggests perioperative cannabis use could meaningfully increase complication risk in breast reconstruction.

The Bigger Picture

Cannabis is known to affect vascular inflammation and endothelial function. These surgical outcomes align with concerns about impaired wound healing, adding breast reconstruction to the growing list of procedures where cannabis use may matter.

What This Study Doesn't Tell Us

Very small cannabis group (12 patients) limits statistical power and generalizability. Retrospective design cannot control for all confounders. Self-reported cannabis use likely underestimates true prevalence. Single-center study.

Questions This Raises

  • ?What is the minimum abstinence period before surgery that would reduce complication risk?
  • ?Do different cannabis consumption methods (smoking vs. edibles) carry different surgical risks?

Trust & Context

Key Stat:
4.75x higher odds of reoperation within 90 days
Evidence Grade:
Retrospective single-center study with only 12 cannabis users, limiting the reliability of findings despite significant p-values.
Study Age:
2024 study from a quaternary-care breast cancer center
Original Title:
Marijuana's Impact On Implant-based Breast Reconstruction: A Retrospective Cohort Study.
Published In:
Plastic and reconstructive surgery. Global open, 12(8), e6082 (2024)
Database ID:
RTHC-05071

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study
What do these levels mean? →

Frequently Asked Questions

How was active cannabis use defined?

Use within 12 weeks of the operation, based on patient self-report.

Why might cannabis affect surgical outcomes?

Cannabis has been associated with vascular inflammation and endothelial damage, which could impair wound healing. Smoking cannabis may also affect oxygen delivery to tissues.

Read More on RethinkTHC

Cite This Study

RTHC-05071·https://rethinkthc.com/research/RTHC-05071

APA

Al-Saghir, Tala; Hall, Jamie; Diffley, Michael; Tang, Amy; Teitelbaum, Abigail; Tepper, Donna G; Darian, Vigen; Evangelista, Maristella; Atisha, Dunya. (2024). Marijuana's Impact On Implant-based Breast Reconstruction: A Retrospective Cohort Study.. Plastic and reconstructive surgery. Global open, 12(8), e6082. https://doi.org/10.1097/GOX.0000000000006082

MLA

Al-Saghir, Tala, et al. "Marijuana's Impact On Implant-based Breast Reconstruction: A Retrospective Cohort Study.." Plastic and reconstructive surgery. Global open, 2024. https://doi.org/10.1097/GOX.0000000000006082

RethinkTHC

RethinkTHC Research Database. "Marijuana's Impact On Implant-based Breast Reconstruction: A..." RTHC-05071. Retrieved from https://rethinkthc.com/research/al-saghir-2024-marijuanas-impact-on-implantbased

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.