Abstract
Endoscopic intrapyloric Botox (onabotulinumtoxin A; Allergan Pharmaceuticals) injections can improve postfundoplication gastroparesis, but responses are not durable. Surgical pyloroplasty may relieve gastroparetic symptoms, but patient selection criteria are poorly defined. We hypothesize that pyloroplasty provides durable improvement in patients whose symptoms improved after Botox injection. A retrospective chart review was performed of patients with postfundoplication gastroparesis who improved after Botox injection and then underwent pyloroplasty. Gastric emptying studies (GES), Gastroparesis Cardinal Symptom Index (GCSI) score, symptoms, and outcomes were reviewed. Ten patients received Heineke-Mikulicz pyloroplasty after reporting improvement with Botox injection. The mean operative time was 114 minutes (range 55-234 minutes). Three of 10 patients required conversion to open surgery, and the median length of stay was 3 days. Gastroparesis symptom improvement occurred in 9 of 10 patients. Postoperative GES normalized in 5/5 patients (median 205 decreased to 70 min, P < .05). Median preoperative GCSI was 3.67, improved to 2.22 at 1 month postsurgery (P = .010) and to 2.11 on most recent follow-up (P = .015). Median duration of follow-up was 34 months (range 1-101 months). Heineke-Mikulicz pyloroplasty can improve symptoms and gastric emptying times in patients with postfundoplication gastroparesis. Improvement with intrapyloric Botox injection may select candidates for pyloroplasty.
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