A systematic review gathered 11 studies, eight rated good quality, of frailty measures in older patients having microvascular free flap reconstruction for head and neck cancer.
Frailty was consistently associated with more medical complications, longer hospital stay, discharge to somewhere other than home, slower swallowing recovery and longer tube feeding. Associations with surgical complications and short-term mortality were inconsistent. Measures that included nutrition or sarcopenia — such as the Prognostic Nutritional Index or cervical muscle index — predicted complications better than frailty indices alone.
The tools varied too much to pool, so there is no single threshold to use. But the direction is consistent: a frailty and nutrition assessment belongs in the pre-operative work-up and in the conversation with the patient about recovery.
- Use a validated frailty tool (for example 5-factor modified frailty index or G8) at pre-assessment.
- Add a nutrition measure — albumin, weight loss, or neck muscle mass on staging CT.
- Refer to dietetics before surgery, not after.
- Counsel frail patients about longer stay, feeding tube and rehabilitation needs.
- Plan discharge early for those likely to need support.
Why it matters
Frailty predicts the course of recovery, which is what patients and families most need to plan for.
Don't overread it
A narrative synthesis of heterogeneous observational studies; it does not show that treating frailty improves outcomes.
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