There are several articles in the literature on this subject (including publications by many members of ResearchGate): some studies say it is beneficial while others differ. So definite conclusions have not been reached. But I found these studies (including RCTs) don't mention specific indications regarding which patients undergo HSV along with fundoplication.
In 2014 no more indications for HSV, since we know mecanism of ulcer and acid production. Stoppa & I have much published on HSV 20 years ago but nowadays I would not recommend to go on this way.
Presentlly there is no indication for HSV along with Nissen Fundoplication.
The purpose of this procedure was to diminish gastric acid output and to preserve the correct gastric drainage. This goals were achieved by posterior truncal vagotomy and highly selective anterior vagotomy with preservation of the vagal branches that are for the antro-piloric region. The association of fundo-plication was justified because of an extensive dissection of the hiatal region in order to discover the trunk of the posterior vagus nerve. The anterior one was treated at the level of the superior branches before entering the gastric wall, above the gastric angle. In our department we did performed less than 10 procedures before the year 2000. it was a time-consuming procedure, with not so good results and today we have a better understanding of the mechanisms of ulcero-genesis and far better medication to heal the ulcer. As Prof. Pierre Verhaeghe has already said , today this procedure is history.
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