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Related Experiment Video

Updated: May 28, 2026

Frailty Assessment in an Aging Mouse Model

Frailty Assessment in an Aging Mouse Model

Published on: September 23, 2025

[But it's not worth it at this age?]

Beat Knechtle^1,2,3, Katja Weiss^2,4, Luis Manrique¹

¹Medbase St. Gallen, St. Gallen.

|May 27, 2026

Summary

Older adults with foot drop can achieve remarkable athletic success after revision surgery. This case highlights the importance of reconsidering age-based limitations for surgical interventions in elite runners.

Keywords:

Runner advanced age life expectancy nerve damage revision surgery

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Area of Science:

Geriatric Medicine
Sports Medicine
Neurosurgery

Background:

An 87-year-old European champion runner with foot drop was denied revision surgery for a failed L5/S1 left isthmectomy.
The initial denial was based on the patient's advanced age and perceived poor prognosis.

Purpose of the Study:

To present a case study of an elite master's runner who underwent successful revision surgery for foot drop.
To challenge age-based criteria for surgical intervention in older athletes.

Main Methods:

Case report detailing a patient's journey through surgical denial and subsequent successful revision.
Review of the patient's athletic performance before and after revision surgery.

Main Results:

The revision surgery was successful, restoring the runner's ability to compete.
The patient set multiple European and world records in various running categories (half-marathon, marathon, 12-hour run) between ages 91 and 94.
The runner continued to compete at a high level until his passing at age 102.

Conclusions:

Age alone should not be a contraindication for potentially life- and performance-enhancing surgical procedures.
Revision surgery can lead to significant improvements in quality of life and athletic achievement in older individuals.
This case underscores the need for individualized assessment in geriatric surgical candidates.