Abstract:
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.
journal_name
Gastrointest Endoscjournal_title
Gastrointestinal endoscopyauthors
Abdelfatah MM,Li B,Kapil N,Noll A,Li L,Luo H,Chen H,Xia L,Chen X,Patel V,Mekaroonkamol P,Massaad J,Keilin S,Cai Qdoi
10.1016/j.gie.2020.01.016subject
Has Abstractpub_date
2020-09-01 00:00:00pages
603-609issue
3eissn
0016-5107issn
1097-6779pii
S0016-5107(20)30040-7journal_volume
92pub_type
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