Abstract
Microvascular reconstruction is the standard of care in head and neck reconstruction, though its perioperative safety in an older population has been controversial due to safety concerns, warranting further investigation. An "older" (≥71 years) cohort undergoing reconstruction after mandibulectomy/glossectomy was compared to the remaining population in a National Surgical Quality Improvement Program (2008-2016) analysis. Cases required both a mandibulectomy/glossectomy and microvascular or local flap reconstruction (exclusion criteria: missing ages and simultaneous microvascular and local flap reconstruction). Demographics, comorbidities, and procedure types were analyzed on 985 patients (236 [24.4%] were ≥71). Outcomes were compared by reconstruction type. Regressions were performed calculating the impact of age on length of hospital stay (LOHS) and operative time. Ablative procedures were comparable, but older patients received local flaps at higher rates (22.5% vs. 9.6%; p < .001). The older population had more comorbidities (higher ASA class [p < .001], diabetes [p < .001], and hypertension [p < .001]). After Bonferroni correction, univariate subgroup analyses of soft tissue and bone/composite microvascular flaps revealed similar outcomes (except increased medical complications in the older cohort undergoing a bone free flap [p = .002]). Controlling for a variety of factors, older age resulted in longer LOHS (B: 1.4 days; 95% CI: 0.1-2.8 days; p = .035), but not operative time (B: -21.90 min; 95% CI: -52.76 to 8.96 min; p = .164). While increased age (≥70 years) was associated with a longer LOHS, complication rates were comparable. Although limited by the retrospective nature, evidence supports microvascular reconstruction in the elderly population with comparable outcomes.
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