Lapidus Foot Procedures Yielded Similar Outcomes
Minimally invasive and open surgeries resulted in comparable physical improvements one year after treatment.
Updated on Sept. 18, 2026 in Arthritis
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A study of 140 patients found that both minimally invasive and open Lapidus procedures led to clinically meaningful improvements in pain and physical function one year postoperatively. Researchers observed no significant differences in complication rates between the two surgical methods.
Why it matters
These findings help surgeons and patients understand that both approaches are effective for treating hallux valgus. Identifying that outcomes are similar allows for more flexible treatment planning based on specific anatomical correction needs.
The study tracked 140 patients with moderate-to-severe hallux valgus. Analysis used weight-bearing CT scans and radiographs to measure improvements in Meary’s angle, hallux valgus angle, and intermetatarsal angle.
The players
Hospital for Special Surgery
This medical institution serves as the primary affiliation for the researchers who conducted the study.
American Orthopaedic Foot & Ankle Society
This professional organization hosted the annual meeting where the clinical research results were presented.
The details
Researchers at the Hospital for Special Surgery assessed outcomes using PROMIS scores for physical function, pain, and mental health. While both methods reduced pain and improved function, open surgery was superior for hallux valgus and intermetatarsal angle correction, whereas minimally invasive surgery showed better results for Meary’s angle.
Timeline
1 year postoperatively was the timeframe used for assessing clinical outcomes.
The Big Picture
This study follows a pattern set by the Hospital for Special Surgery's orthopedic research initiatives in evaluating surgical efficacy. The findings offer a data-driven validation for expanding the use of minimally invasive techniques in complex foot reconstructions.
Patients suffering from moderate-to-severe hallux valgus can consult with their surgeons about choosing between open and minimally invasive Lapidus procedures. Because both methods demonstrate significant pain reduction, the decision may shift toward anatomical goals or recovery preferences.
The takeaway
Both surgical options successfully restore physical function and reduce pain intensity for those with hallux valgus. Patients should discuss specific radiographic goals with their orthopedists to determine which surgical approach aligns best with their unique foot anatomy.
Further reading
For additional context on the treatment of joint conditions, visit the Arthritis section.
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