Efficacy and safety of nanofractional radiofrequency in treatment of atrophic acne scars: A retrospective analysis of 5 years
Bibliographic record
Abstract
Objectives: The objective of the study was to evaluate the efficacy of nanofractional radiofrequency in the treatment of acne scars. Material and Methods: In this 5-year retrospective study, adults with atrophic acne scars on their cheeks underwent four monthly sessions of nanofractional radiofrequency treatment (Venus Viva™, Venus Concept Inc., Toronto, Canada). Follow-up occurred 2 months after the last session. Clinical photographs were assessed by physicians and patients, and two dermatologists performed independent subjective analysis. Side effects, including pain, erythema, post-inflammatory pigmentation, and burning, were recorded after each session. Results: In the analysis, 65 patients were included, with a mean age of 27.6 ± 5.6 years. Among them, 67.7% had Fitzpatrick skin type IV. The mean satisfaction score at the end of the study was 7.33 ± 1.31, and 55.4% of patients scored >7. Of the 24 patients with scars lasting less than 6 months, 70.8% experienced >75% improvement. For patients with macular scars (11 in total), 72.7% saw >75% improvement. Transient pain and swelling were observed in all patients, while 32 out of 65 reported a burning sensation lasting <2 h. Conclusion: Nanofractional radiofrequency is highly effective, with positive responses in macular to mild scars. Scar duration is inversely related to treatment response. It is safe with transient, controlled side effects.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".