Abstract
Approximately 10% of patients receiving anti-reflux procedures present with shortened esophagus. Collis gastroplasty (CG) is the current gold standard for esophageal lengthening, but mediastinal esophageal mobilization without gastroplasty may be an alternative approach. This study assesses preoperative and intraoperative hernia characteristics and mediastinal dissection impact in patients with large hiatal hernia repair (HHR). A single-institution, prospectively collected database was reviewed for adults who underwent laparoscopic HHR with mesh and anti-reflux surgery between 2005 and 2016, hernia ≥ 5cm. Preoperative hernia and follow-up were assessed using upper endoscopy and barium swallow. Intraoperative hernia characteristics were collected from the operative note. Esophageal symptom scores were collected pre- and postoperatively. Analyses were conducted using SPSS v26.0. Among 662 patients who had anti-reflux surgery in this period, a total of 205 patients who underwent HHR with mesh met the inclusion criteria and were included in study. Mean age was 61.7 ± 13.6years, and majority of patients were female and Caucasian. Mean BMI was 29.9 ± 6.0kg/m2. Median hernia size was 6.5cm[5.0-12.0cm], and intra-thoracic stomach had a prevalence of 21.9%. Analysis of preoperative barium swallow revealed an average of elevated gastroesophageal junction above the diaphragm of 4.10 ± 1.67cm. Radiographically, average hernia size was 6.34 ± 1.93cm and 6.38 ± 1.92cm in the anterior-posterior and obliquus view, respectively. Median follow-up time was 2.7years [1-9years]. Esophageal symptoms improved in all patients (p < 0.05). 45% of patients had radiographic recurrence, but only four presented symptomatic or were on PPI. CG has been the standard for ensuring adequate esophageal length prior to anti-reflux surgery. Our results support that CG is unnecessary in the majority of cases, and extensive mediastinal dissection was successfully used instead of CG with durable, long-term outcomes. Extended mediastinal dissection may mitigate CG risks in patients requiring additional intra-abdominal esophagus.
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