A pivotal study published in the November issue of Plastic and Reconstructive Surgery—the official medical journal of the American Society of Plastic Surgeons (ASPS)—has identified a concerning trend for patients undergoing body contouring surgery. Research indicates that individuals with a history of COVID-19 infection may face a significantly elevated risk of venous thromboembolism (VTE) following a panniculectomy, a procedure designed to remove excess abdominal skin and fat.
As the medical community continues to navigate the long-term physiological impacts of the COVID-19 pandemic, this study provides critical evidence that prior infection may serve as an independent, predisposing risk factor for serious postoperative vascular complications.
The Core Findings: A Closer Look at Surgical Safety
The study, titled "Incidence of Postoperative Venous Thromboembolism following Panniculectomy in Patients with History of COVID-19," highlights a stark contrast in complication rates between patients who have battled the virus and those who have not.
Lead author Mary Newland, BS, a medical student at Penn State College of Medicine in Hershey, Pennsylvania, noted that the data carries significant implications for how surgeons assess candidates for body contouring. "Our findings suggest that past COVID may be an additional predisposing risk factor for VTE among patients undergoing panniculectomy," Newland stated. "This may have implications for assessment and prevention of surgical risks of body contouring surgery after major weight loss."
While standard protocols, such as the Caprini risk assessment score, are currently used to determine the necessity of prophylactic anticoagulants (blood thinners), this study suggests that a history of COVID-19 may need to be integrated into these preoperative checklists to ensure patient safety.
Understanding the Procedure: Why Panniculectomy Matters
To appreciate the gravity of these findings, one must understand the nature of the surgery itself. A panniculectomy is far more than a cosmetic endeavor. It is a functional reconstructive procedure performed to remove the "pannus"—the apron of loose, hanging skin and adipose tissue that often remains after significant weight loss or bariatric surgery.
For many patients, this overhanging skin is not merely an aesthetic concern. It frequently leads to chronic skin complications, including intertrigo (a form of dermatitis), severe rashes, recurrent infections, and ulcerations. Furthermore, the physical burden of the skin can impede mobility, making the surgery a transformative, medically necessary intervention.
However, like any major surgery involving the abdomen, panniculectomy carries an inherent risk of VTE. VTE encompasses two potentially fatal conditions:
- Deep Vein Thrombosis (DVT): The formation of a blood clot in a deep vein, usually in the legs.
- Pulmonary Embolism (PE): A condition where a clot breaks loose and travels to the lungs, blocking blood flow and potentially causing sudden death.
Given that these complications are among the most feared in surgical recovery, identifying every possible risk factor is essential for patient outcomes.
Chronology of the Research: From Hospital Data to Clinical Insight
The research team conducted an exhaustive analysis of national hospital data, spanning a six-year period from 2017 to 2023. This timeline allowed the researchers to create a robust comparative model, separating patients based on their surgical window relative to the COVID-19 pandemic.
Phase 1: Pre-Pandemic Baseline (2017–March 2020)
The study analyzed 3,015 patients who underwent surgery before the onset of the global pandemic. During this period, standard preoperative screening and prophylactic anticoagulation protocols were followed. The baseline rate of VTE for this cohort was established at 3.2%.
Phase 2: The Pandemic Era (March 2020–2023)
The study transitioned to an analysis of 4,099 patients who underwent panniculectomy after the pandemic began. Interestingly, when viewing this group as a whole, the overall VTE rate was 3.0%, appearing statistically similar to the pre-pandemic cohort.
Phase 3: The COVID-19 Sub-Analysis
The most striking insights emerged when the researchers subdivided the post-pandemic cohort into two distinct groups: those with a documented history of COVID-19 and those without.
- The COVID-Positive Group: 790 patients.
- The COVID-Negative Group: 3,309 patients.
The disparity was immediate and clear. Patients with a documented history of COVID-19 experienced a VTE rate of 4.9%, whereas those without a history of the virus experienced a rate of 2.5%. This represents a nearly two-fold increase in risk for those who had previously contracted the virus, even when controlling for other traditional risk factors like cardiovascular disease, pulmonary issues, and blood vessel pathologies.
Supporting Data: Why Does COVID Increase Risk?
The correlation between COVID-19 and blood clots has been a subject of intense investigation since the early days of the pandemic. Scientists have consistently observed that the SARS-CoV-2 virus induces a hypercoagulable state—a condition where the blood has an increased tendency to form clots.
This hypercoagulability is thought to stem from systemic inflammation, damage to the endothelium (the inner lining of blood vessels), and the activation of platelets. Even after the acute phase of the infection has passed, these physiological changes can persist, potentially leaving a patient’s vascular system in a "primed" state for clot formation. When such a patient undergoes major surgery like a panniculectomy, the surgical trauma itself triggers the body’s natural clotting mechanisms. For a post-COVID patient, this combination of surgical stress and the lingering effects of the virus may push the coagulation system past the threshold of safety, resulting in a VTE.
Official Responses and Clinical Implications
The findings published in Plastic and Reconstructive Surgery serve as a clarion call for the plastic surgery community. By highlighting the emergence of a "new patient population," the authors argue that the traditional risk-stratification models may be insufficient for a post-pandemic world.
Redefining Risk Assessment
The authors emphasize that while the study demonstrates a significant statistical link, it does not necessarily mean every patient with a history of COVID-19 will suffer a complication. Rather, it suggests that surgeons should adopt a more vigilant approach. This could include:
- Enhanced Screening: Incorporating specific questions about the timing, severity, and lingering symptoms of a patient’s COVID-19 infection into the preoperative interview.
- Adjusted Prophylaxis: Considering more aggressive or extended durations of anticoagulant therapy for patients with a recent history of severe COVID-19.
- Increased Surveillance: Closer monitoring during the immediate postoperative window to detect early signs of DVT.
The Need for Further Investigation
Despite the clarity of the current results, the research team is cautious. They advocate for large-scale, prospective studies to confirm the association and to determine the duration for which this heightened risk persists. Does a COVID infection six months ago pose the same risk as one six weeks ago? These are the questions that clinicians now face as they refine their practice.
Conclusion: A New Standard of Care
As the medical field continues to evolve in the wake of the pandemic, the study by Newland and her colleagues stands as a testament to the importance of continuous clinical evaluation. By identifying the intersection between prior viral infection and surgical outcomes, the research provides a vital piece of the puzzle for plastic surgeons dedicated to patient safety.
While panniculectomy remains a highly effective procedure for improving the quality of life for weight-loss patients, the "new normal" requires that surgeons look beyond traditional risk factors. By acknowledging the potential for post-COVID hypercoagulability, the surgical community can better prepare for, and ultimately prevent, life-threatening complications.
About the Publication
Plastic and Reconstructive Surgery is the official journal of the American Society of Plastic Surgeons and is published by the Lippincott portfolio of Wolters Kluwer. It is recognized as the leading peer-reviewed journal in the field, dedicated to advancing the science and art of reconstructive and cosmetic surgery.
About Wolters Kluwer
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Article Reference: Newland, M., et al. "Incidence of Postoperative Venous Thromboembolism following Panniculectomy in Patients with History of COVID-19." Plastic and Reconstructive Surgery, November 2025. DOI: 10.1097/PRS.0000000000012202.
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