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Short-term outcomes of double versus single pyloromyotomy at peroral endoscopic pyloromyotomy in the treatment of gastroparesis (with video).
Gastrointestinal Endoscopy ( IF 6.890 ) Pub Date : 2020-01-17 , DOI: 10.1016/j.gie.2020.01.016
Mohamed M Abdelfatah,Baiwen Li,Neil Kapil,Alan Noll,Lianyong Li,Hui Luo,Huimin Chen,Liang Xia,Xiangbo Chen,Vailshali Patel,Parit Mekaroonkamol,Julia Massaad,Steven Keilin,Qiang Cai

Background and Aims

The prevalence of gastroparesis (Gp), a chronic debilitating disorder, and resulting hospitalizations are increasing. Gastric peroral endoscopic pyloromyotomy (POP or GPOEM) is a novel technique in the treatment of refractory Gp. Despite the initial promising results of GPOEM, one-third of patients do not exhibit any clinical response. Furthermore, loss of clinical response was reported in several studies. No response or loss of response after GPOEM may be related to inadequate myotomy. The aim of our study is to examine whether double pyloromyotomy at GPOEM is superior to single pyloromyotomy.

Method

A retrospective case-controlled study of patients who underwent GPOEM for refractory Gp at our tertiary care institution between June 2015 and March 2018 was performed. Because the follow-up time for the single myotomy group was much longer than that of the double myotomy group, we matched the length of follow-up for the single myotomy group to that of the double myotomy group. The outcomes were measured by the changes in the Gastroparesis Cardinal Symptom Index (GCSI) before and 3 to 6 months after the procedure. Adverse events and other procedural and clinical parameters were also compared.

Results

Ninety patients underwent GPOEM (55 single and 35 double pyloromyotomy). The mean age was 47 ± 14 years, and the mean duration of symptoms was 5.3 ± 4.4 years. The average GCSI score was 3.8 before the GPOEM, and the average GCSI score 6 months after procedure was 1.8. Thirty-seven of 55 (67%) patients who underwent single pyloromyotomy achieved clinical response compared with 30 of 35 (86%) patients who underwent double pyloromyotomy. There were no significant differences for procedure time, postoperative pain, or length of hospital stay between the 2 groups. There was no difference in adverse events in the 2 pyloromyotomy groups.

Conclusion

Double pyloromyotomy is a safe and feasible technique during GPOEM. Clinical success was higher in patients undergoing double pyloromyotomy compared with single pyloromyotomy in this nonrandomized, short-term follow-up study. Long-term studies are needed to further confirm our results.

更新日期:2020-01-17

 

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