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Contemporary liposuction techniques show low reported rates of seroma and infection in cosmetic proceduresModern liposuction techniques show low rates of common complications

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Key Takeaway
Note that contemporary liposuction techniques are associated with low reported rates of seroma and infection.

This meta-analysis synthesizes evidence regarding the safety and efficacy of various contemporary liposuction techniques, including suction-assisted (SAL), power-assisted (PAL), ultrasound-assisted (UAL), laser-assisted (LAL), water-assisted (WAL), and radiofrequency-assisted liposuction (RFAL). The scope focuses on patients undergoing isolated cosmetic liposuction to evaluate complications and secondary outcomes such as patient satisfaction and skin tightening.

The analysis reports low reported rates for overall complications, seroma, and infection across the studied techniques. Serious adverse events were reported as rare. Because safety outcomes were reported descriptively rather than as pooled meta-analytic estimates, the magnitude of difference between specific techniques was not quantified.

Several limitations affect the certainty of these findings. There is limited comparative evidence specifically for isolated cosmetic cases, and significant heterogeneity exists in the reporting of secondary outcomes. Furthermore, only one study provided fully extractable numerical safety data. Clinicians should interpret these results with caution due to the descriptive nature of the safety data and the lack of pooled estimates.

If you are considering cosmetic liposuction, you likely want to know how safe the different methods are. This review looked at several modern techniques, such as suction-assisted, power-assisted, and even newer methods like laser and water-assisted liposuction. The goal was to see how often these procedures lead to complications like infections or fluid buildup.

The findings show that overall complications are reported at low rates across these different methods. Specifically, the risk of seroma (a buildup of fluid under the skin) and infection were both reported as low. Serious complications were noted as rare, suggesting that these modern techniques are generally well-tolerated by patients.

While the results are encouraging, it is important to note that the data is descriptive rather than a combined statistical average. Because of differences in how different studies reported their results, there is limited evidence comparing these specific techniques directly against each other in isolated cosmetic cases. Talk to your doctor to see which method fits your specific needs.

What this means for you:
Modern liposuction techniques, including laser and water-assisted types, show low rates of infection and fluid buildup.

Common questions

Are common complications like infection common in liposuction?

The review found that infection rates are reported as low for patients undergoing cosmetic liposuction. While different methods like laser-assisted or water-assisted liposuction were reviewed, the overall data suggests that these complications are not frequently reported in modern procedures.

What is a seroma and is it common?

A seroma is a buildup of fluid under the skin after surgery. This review found that the rates of seroma are reported as low across the various modern liposuction techniques studied, including suction-assisted and power-assisted methods.

Are there serious risks with modern liposuction methods?

Serious adverse events were reported as rare in the studies reviewed. While the data is descriptive rather than a pooled estimate, the low reported rates of overall complications suggest these procedures are generally well-tolerated.

Study Details

Study typeMeta analysis
EvidenceLevel 1
PublishedSep 2026
View Original Abstract ↓
Cosmetic liposuction is among the most frequently performed aesthetic procedures worldwide, with multiple technique refinements developed to improve efficiency, recovery, and safety. These include suction-assisted (SAL), power-assisted (PAL), ultrasound-assisted (UAL), laser-assisted (LAL), water-assisted (WAL), and radiofrequency-assisted liposuction (RFAL). Comparative evidence focused exclusively on isolated cosmetic cases remains limited. A systematic search of PubMed, EMBASE, and Web of Science was conducted to identify clinical studies on isolated cosmetic liposuction published between 2000 and 2025. Randomized trials, cohort studies, and extensive case series were included. The primary outcome was the incidence of procedure-related complications. Secondary outcomes, including efficacy, patient satisfaction, recovery, skin tightening, and durability, were synthesized qualitatively because of heterogeneity in outcome reporting. Thirteen studies met the inclusion criteria. Only one included study provided fully extractable numerical safety data for overall complications, seroma, and infection. Therefore, these safety outcomes are presented descriptively rather than as pooled meta-analytic estimates. The available evidence indicated low reported rates of overall complications, seroma, and infection, while serious complications remained rare (
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