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Spine

POST-OPERATIVE COMPLICATIONS IN DUCHENNE MUSCULAR DYSTROPHY PATIENTS UNDERGOING DEFORMITY CORRECTION: A COMPARISON WITH OTHER NEUROMUSCULAR SCOLIOSIS DISORDERS

British Scoliosis Society (BSS) Annual Meeting



Abstract

Aim:

Our aim was to report the rate and risk factors for post-operative complications in Duchenne Muscular Dystrophy (DMD) patients undergoing spinal arthrodesis for scoliosis, with a comparison to neuromuscular scoliosis of other aetiology.

Methods:

From a prospective single surgeon spinal deformity database, we identified all patients with neuromuscular disorders who underwent surgical correction for progressive scoliosis. We recorded demographic and peri-operative data, including complications and subsequent procedures. The rate and risk factors for complications was determined, with a sub-analysis of the DMD group to determine any peri-operative factors predictive of overall complication rates.

Results:

There were 98 patients, 59 (60%) were male with mean age at surgery 14 yrs (7–19 yrs). Forty-eight patients had cerebral palsy (n=48, 49%) and 26 DMD (27%). The overall complication rate was 18.4% (n=18), with deep wound infection (DWI; n=9, 9.2%) and acute liver injury (ALI; n=4, 4.0%) most frequent. The complication rate was significantly higher in DMD patients (35%) compared to other neuromuscular disorders (13%; p=0.013). All ALIs occurred in DMD patients (p=0.004), with an increased DWI rate (19% vs 6%; p=0.053). On subanalysis, no peri-operative factors correlated with overall complication rate or DWI rate. Increased intraoperative blood loss was the only factor associated with ALI (p=0.036).

Discussion:

Scoliosis correction has an acceptable complication rate in patients with neuromuscular diagnoses. DMD patients have an increased complication rate when compared to other neuromuscular disorders. ALI in our series was unique to DMD patients and we would recommend peri-operative vigilance for hepatotoxicity in these patients.

Conflict Of Interest Statement: No conflict of interest.