Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Individual changes of intra-bolus pressure (IBP) in preoperative (pre-op) and post-operative patients (post-op): in 19 postoperative patients increase while in 5 patients decrease of intra-bolus pressure were shown, in one patient IBP wasn’t altered after fundoplication (normal values range: < 15 mmHg).
