Jan Martinek

BACKGROUND: Video analysis has emerged as a potentially strategy for performance assessment of specialized techniques where local expertise and mentorship are limited…

BACKGROUND: Diaphragmatic breathing training (DBT) improves symptoms in patients with gastroesophageal reflux disease (GERD), but the pathophysiological mechanism is unclear…

Endoscopic myotomy (POEM) was shown equally effective as laparoscopic Heller myotomy (LHM) in patients with achalasia at two years in a multicenter randomized trial. Postprocedural reflux esophagitis and treatment with acid inhibitors were more frequent after POEM…

We previously reported 6 months results of a prospective randomized sham controlled trial comparing endoscopic pyloromyotomy (G-POEM) with a sham procedure in patients with gastroparesis (GREG). G-POEM was superior to sham in terms of symptoms improvement and gastric emptying rate…

Severe gastroparesis (GP) is one of the major complications occurring in 15 to 40% of patients after esophagectomy with gastric pull-through despite recent progress in surgical techniques. GP significantly impacts the patients’ quality of life and nutritional status…