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Michael E. Lutz, MD; Clark C. Otley, MD; Randall K. Roenigk, MD; David G. Brodland, MD; Hongzhe Li, PhD

Arch Dermatol. 1998;134:1271-1274.

Background  The degree to which disruption of sensory innervation is affected by flaps and grafts on the face has not been explored. The decision to choose a flap or a graft for reconstruction may affect future sensation at the surgical site.

Objectives  To characterize the clinical recovery of sensory innervation after facial reconstructive surgery with flaps and grafts and to offer clinical guidelines on the recovery of sensation in reconstructed sites involving flaps and grafts of the face.

Methods  Seventy patients who underwent Mohs surgery and subsequent repair by either a flap or a graft were evaluated at different postoperative intervals. Fifty patients underwent flap reconstruction and 20 patients underwent graft reconstruction. Three principal modes of sensation were objectively assessed: light touch, temperature, and pinprick.

Results  Median time of evaluation after surgery was 11 months. The most common locations tested were the nose (36 patients) and the forehead (9 patients). Postoperative evaluation showed that flap sensation recovery to light touch was present in 10% of patients before 3 months, 41% of patients from 3 to 12 months, 27% of patients from 1 to 2 years, and 75% of patients after 2 years. Graft sensation recovery to light touch was present in no patients evaluated less than 2 years after surgery and in 29% of patients evaluated more than 2 years after surgery. After adjustments for postoperative size and interval, patients with flaps were more likely than those with grafts to have touch sensation at the time of testing (adjusted odds ratio, 8.91; 95% confidence interval, 1.06-74.62; P =.04), to be able to distinguish between warm and cold (adjusted odds ratio, 3.99; 95% confidence interval, 1.05-15.16; P=.04), and to be able to distinguish between sharp and dull (adjusted odds ratio, 27.31; 95% confidence interval, 2.20-339.71; P=.01).

Conclusions  Predictable factors are associated with sensation recovery in patients with flaps and grafts. The recovery of sensory innervation after surgery is earlier with flaps than with grafts. Our data provide clinicians with guidelines for recovery of sensation that ultimately will reassure the patient.

From the Department of Dermatology (Drs Lutz, Otley, Roenigk, and Brodland) and the Section of Biostatistics (Dr Li), Mayo Clinic and Mayo Foundation, Rochester, Minn.

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