The association between sarcopenia, defined by a simplified screening tool, and long-term outcomes

Area of Science:

• Geriatric Medicine
• Oncology
• Surgical Outcomes

Background:

• Sarcopenia and frailty are common in older adults, leading to poor surgical outcomes.
• Simple screening for sarcopenia, excluding muscle mass, shows predictive value.
• This study investigates sarcopenia using the C3 formula in older surgical cancer patients.

Purpose of the Study:

• To explore the association between sarcopenia (defined by C3 formula) and long-term outcomes in older adult cancer patients undergoing surgery.
• To evaluate the predictive capability of a simplified sarcopenia screening tool for postoperative disability and mortality.

Main Methods:

• The study included 251 surgical cancer patients aged 60 and above.
• Sarcopenia was diagnosed using the C3 formula, incorporating handgrip strength, 6-m walk test, and Mini Nutritional Assessment-Short Form.
• Long-term outcomes assessed included Barthel Index for activities of daily living (B-ADL) at 3 months and 1-year mortality.

Main Results:

• 130 patients (51.8%) were identified as sarcopenic.
• Sarcopenic patients had higher rates of moderate to severe disability (B-ADL ≤70) at 3 months (19.5% vs 5.2%, P=0.001).
• Sarcopenia (HR=1.78) and distant organ metastasis (HR=3.99) were independent risk factors for 1-year mortality, with sarcopenic patients showing higher mortality (29.5% vs 14.9%, P=0.006).

Conclusions:

• A simplified sarcopenia screening tool, using the C3 formula, is associated with increased disability and mortality in older cancer surgery patients.
• This screening method effectively identifies patients at higher risk for adverse long-term postoperative outcomes.
• The findings support the clinical utility of simplified sarcopenia screening in managing older surgical cancer patients.