7500 Daily Steps Cuts Surgery Complication Risks
Walking 7,500 steps daily before surgery halves complication risks, new research reveals key fitness threshold for better outcomes.
Preoperative physical activity, specifically averaging more than 7,500 daily steps, significantly lowers the risk of postoperative complications. Research presented at the American College of Surgeons (ACS) Clinical Congress 2023 analyzed Fitbit data from 475 surgical patients, revealing a 51% reduction in complication odds for those exceeding this threshold, independent of surgery type or comorbidities.
What the Research Shows
A groundbreaking study from the Medical College of Wisconsin utilized data from the All of Us Research Program, examining preoperative step counts tracked via Fitbit devices. Participants, averaging 57 years old and predominantly female (74.7%), underwent diverse procedures including neurosurgery, orthopedic, and general surgery. Overall, 12.6% experienced complications within 90 days post-surgery.
Key findings indicate that patients averaging over 7,500 steps daily had a complication rate of 8.9%, compared to 15.1% for those below this level (P=0.01). Within 30 days, risks dropped by 45%, adjusting to 51% lower odds after factoring in age, sex, race, BMI, comorbidities, and procedure complexity (odds ratio 0.49).
| Metric | <7,500 Steps/Day | >7,500 Steps/Day |
|---|---|---|
| 90-Day Complication Rate | 15.1% | 8.9% |
| 30-Day Risk Reduction | Baseline | 45% lower |
| Adjusted 90-Day Odds | 2.06x higher (95% CI 1.05-4.06) | 51% lower |
This threshold challenges the conventional 10,000-steps goal, establishing 7,500 as a critical benchmark for surgical preparedness.
Why Walking Matters Before Surgery
Regular walking enhances cardiovascular fitness, muscle strength, and overall resilience, mitigating risks like infections, blood clots, and wound issues that affect ~30% of patients post-discharge. Lead researcher Dr. Anai Kothari notes step counts reflect general health, serving as a practical proxy for preoperative fitness.
Unlike complex assessments, daily steps offer an accessible metric. Carson Gehl, medical student co-author, emphasizes integrating wearable data with electronic health records (EHRs) to tailor perioperative care and intervene early for high-risk patients.
- Cardiovascular Benefits: Improves heart function and circulation, reducing clot risks.
- Muscle Preservation: Maintains strength for faster recovery.
- Immune Boost: Lowers infection susceptibility.
- Mental Health: Reduces anxiety, aiding compliance with recovery protocols.
Study Details and Methodology
From 27,150 surgical patients in the All of Us dataset, 475 with preoperative Fitbit data were analyzed. Steps were averaged over periods potentially spanning months or years pre-surgery, not just immediate days. Complications encompassed a broad spectrum within 90 days, focusing on post-discharge events comprising half of all issues.
Statistical adjustments confirmed the association’s robustness. Limitations include the sample’s lack of diversity and retrospective design, underscoring needs for prospective trials to test if increasing steps causally improves outcomes.
How to Reach 7,500 Steps Daily
Achieving this target requires gradual integration into routines, especially for sedentary individuals pre-surgery.
- Track Progress: Use wearables like Fitbit for real-time monitoring.
- Break It Down: Aim for 50-60 minutes of brisk walking (3-4 mph).
- Incorporate Daily: Park farther, take stairs, walk during calls.
- Pair with Strength: Add light resistance 2-3x/week for comprehensive prep.
- Consult Providers: Get clearance for surgery-specific limitations.
Start 4-6 weeks pre-op for adaptation. Even short-term increases may yield benefits, though long-term habits show strongest correlations.
Expert Insights on Preoperative Fitness
Dr. Kothari states, “Step count correlates with postoperative recovery in my experience.” Gehl adds potential for wearables in risk stratification: monitor high-risk patients closely post-op. ACS highlights this as a simple, modifiable factor amid rising surgical volumes.
“Above 7,500 steps, complication risk halved.” — Dr. Anai Kothari, ACS Clinical Congress 2023
Limitations and Future Research
The study’s observational nature precludes causality; randomized trials are needed to validate if ramping up steps pre-surgery directly cuts risks. Diversity gaps (mostly female, average age 57) limit generalizability. Future work may explore optimal duration, step intensity, and integration with EHRs.
Researchers aim to modify activity preoperatively: “We need more studies to answer if this improves outcomes,” Gehl notes.
Frequently Asked Questions (FAQs)
What is the ideal step count before surgery?
Achieving over 7,500 daily steps pre-surgery links to 51% lower complication odds, per ACS-presented research.
How long before surgery should I walk 7,500 steps?
The study averaged steps over extended periods (months/years); start 4-6 weeks prior for benefits, but consult your surgeon.
Does surgery type matter for this step goal?
No—benefits held across neurosurgery, orthopedics, and general procedures, regardless of complexity.
Can I use any tracker besides Fitbit?
Yes, any accurate pedometer or smartwatch works; consistency in tracking is key.
What if I have comorbidities limiting walking?
Aim for your maximum safe activity; discuss modifications with your care team to optimize fitness safely.
Is 10,000 steps necessary, or is 7,500 enough?
7,500 proved the threshold; exceeding it further didn’t yield additional benefits in this cohort.
Practical Tips for Surgical Prep
Beyond steps:
- Balanced nutrition for healing.
- Adequate sleep to bolster immunity.
- Quit smoking 4-8 weeks prior.
- Manage weight to ease anesthesia risks.
Combine with steps for holistic prep, potentially transforming surgical journeys.
References
- 7,500 Steps/Day Linked to Lower Post-Op Complications Risk — McKnight’s Long-Term Care News. 2023-10-20. https://www.mcknights.com/news/how-many-steps-a-day-are-linked-to-lower-risk-of-post-op-complications-try-7500/
- 7500 steps a day improves surgical outcomes — Surgery International. 2023-10. https://surgery.international/7500-steps-a-day-improves-surgical-outcomes/
- Preparing For Surgery? Study Suggests Walking Over 7,500 Steps Daily — Medical Daily. 2023-10-25. https://www.medicaldaily.com/preparing-surgery-study-suggests-walking-over-7500-steps-daily-reduce-complications-471013
- 7,500 Daily Steps Before a Surgery and Complication Risks Plummet — HealthDay. 2023-10-25. https://www.healthday.com/health-news/7500-daily-steps-before-surgery-and-complication-risks-plummet
- MCW Research Team Uses Fitbit Activity Information to Gauge Risks — Medical College of Wisconsin. 2023. https://www.mcw.edu/mcwknowledge/mcw-stories/mcw-research-team-uses-fitbit-activity-information-to-gauge-risks-for-post-surgery-complications
- More than 7500 Daily Steps Prior to Surgery Is Associated with Lower Risk — American College of Surgeons. 2023-10-20. https://www.facs.org/media-center/press-releases/2023/more-than-7-500-daily-steps-prior-to-surgery-is-associated-with-lower-risk-of-postoperative-complications/
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