Argón plasma ablation versus band mucosectomy for endoscopic management of Barrett's esophagus with dysplasia or esophageal carcinoma

Authors

  • Rodrigo Castaño Llano Instituto de Cancerología Clínica las Américas
  • Oscar Alvarez Texas Valley Coastal Bend (Veterans Administration)
  • Amy Piñeres Clínica Bolivariana
  • Mario H Ruíz Hospital Pablo Tobón Uribe
  • Andrés Rojas Instituto de Cancerología-Clínica las Américas
  • Alejandra Alvarez Universidad Pontificia Bolivariana
  • Luis Miguel Ruíz Universidad Pontificia Bolivariana
  • David Restrepo CES
  • Víctor Daniel Calvo Betancur Instituto de alta tecnología médica

DOI:

https://doi.org/10.22516/25007440.432

Keywords:

Barrett’s esophagus, gastroesophageal reflux, argon plasma, dysplasia in the esophagus

Abstract

Introduction: Various endoscopic techniques for ablation of metaplastic esophageal epithelia which maintain the integrity of the submucosa have been described. All maintain patients under aggressive acid suppressive therapy with proton pump inhibitors. To date, few studies have compared the different endoscopic techniques for eradicating Barrett’s esophagus (BE) with dysplasia. Similarly the factors that might influence patients’ prognoses after these therapies have not been very consistently evaluated.

Objective: This is a pilot study which compares the effectiveness of complete eradication of BE with dysplasia through endoscopic mucosal resection (EMR) with bands and low voltage endoscopic argon plasma coagulation (APC). The three points evaluated are whether complete ablation of BE was achieved, the number of sessions required and whether and what complications occurred.

Methods: APC was performed using a flexible 10 French catheter. The voltage used was 50 W and flow timed varied between 1 minute and 2 l/min. In one group BE mucosa was treated with multi-band ligation. Up to six bands were placed per session. The mucosa with BE was removed with a polypectomy loop and a mixed stream of water. Patients were followed up endoscopically and biopsies were obtained from the four quadrants in both treated and untreated areas at three, six and twelve months after treatment ended. All patients received high doses of proton pump inhibitors.

Results: This prospective study describes our results in a group of 62 patients with Barrett’s Esophagus and dysplasia. Thirty-three patients (22 men, 67%) were treated with APC and 29 were treated with EMR (19 men, 66%). Complete ablation of BE was achieved in 86.2% of patients treated with EMR and in 79% of those treated with APC. The number of sessions required to achieve complete ablation was 1 ± 1 for EMR and 2 ± 1 for APC. No major complications such as gastrointestinal bleeding requiring transfusion or perforations occurred. The only complications were two cases of esophageal stenosis, one in each group. These were successfully treated with single sessions of dilation. After a mean of 68.7 ± 18.9 months of follow-up in the APC group and 50.2 ± 19.3 months in the EMR group no cases of carcinoma of the esophagus and no deaths due to disease or therapy had occurred.

Conclusions: In patients with BE with high or low grade dysplasia, APC and EMR achieve comparably high eradication rates of neoplasia and intestinal metaplasia (79% versus 86%). Both procedures have comparable levels of effectiveness and safety and have low rates of complications. Nevertheless, APC is associated with a greater number of sessions.

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Author Biographies

Rodrigo Castaño Llano, Instituto de Cancerología Clínica las Américas

Cirugía Gastrointestinal y Endoscopia. Jefe de Postgrado Cirugía General U.P.B, Grupo Gastrohepatología Universidad de Antioquia, Instituto de Cancerología Clínica las Américas. Medellín-Colombia

Oscar Alvarez, Texas Valley Coastal Bend (Veterans Administration)

Gastroenterólogo, Texas Valley Coastal Bend (Veterans Administration) y Clinical Assistant Professor UTHSCSA. Estados Unidos

Amy Piñeres, Clínica Bolivariana

Cirujano General, Clínica Bolivariana. Medellín, Colombia

Mario H Ruíz, Hospital Pablo Tobón Uribe

Cirujano General, Hospital Pablo Tobón Uribe. Medellín, Colombia

Andrés Rojas, Instituto de Cancerología-Clínica las Américas

Cirujano General, Instituto de Cancerología-Clínica las Américas. Medellín, Colombia

Alejandra Alvarez, Universidad Pontificia Bolivariana

Estudiantes de Pregrado, Facultad de Medicina U.P.B. Medellín, Colombia

Luis Miguel Ruíz, Universidad Pontificia Bolivariana

Estudiantes de Pregrado, Facultad de Medicina U.P.B. Medellín, Colombia.

David Restrepo, CES

Estudiante de Pregrado, Facultad de Medicina CES. Medellín, Colombia.

Víctor Daniel Calvo Betancur, Instituto de alta tecnología médica

Estadístico. Medellín, Colombia

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Published

2014-12-30

How to Cite

Castaño Llano, R., Alvarez, O., Piñeres, A., Ruíz, M. H., Rojas, A., Alvarez, A., … Calvo Betancur, V. D. (2014). Argón plasma ablation versus band mucosectomy for endoscopic management of Barrett’s esophagus with dysplasia or esophageal carcinoma. Revista Colombiana De Gastroenterología, 29(4), 358–367. https://doi.org/10.22516/25007440.432

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