[Stomach electrostimulation--new possibility for treating gastroparesis]

Area of Science:

• Gastroenterology
• Medical Devices
• Clinical Research

Background:

• Gastric pacing is an evolving therapeutic modality for managing gastroparesis.
• Pharmacotherapy-resistant gastroparesis presents significant clinical challenges.
• Previous studies have explored various gastric pacing techniques and parameters.

Purpose of the Study:

• To introduce and evaluate a novel intragastric stimulation method for treating pharmacotherapy-resistant gastroparesis.
• To assess the efficacy and safety of this new gastric pacing technique in a small patient cohort.
• To analyze the impact of gastric pacing on gastric myoelectric activity and patient symptoms.

Main Methods:

• A new intragastric stimulation method was developed using a nasogastric catheter with two electrodes placed in the antral region.
• Five patients with refractory gastroparesis underwent stimulation with specific parameters (2V, 6 ipm, 3 hours).
• Continuous electrogastrography (EGG) monitoring was performed during electrostimulation.

Main Results:

• Excellent outcomes, including symptom resolution and normalization of gastric myoelectric rhythm (2-4 cpm), were observed in 60% of patients.
• Significant increases in gastric myoelectric activity amplitude (average 250%) were recorded.
• One patient required repeated stimulation for symptom recurrence, and another showed unsatisfactory results.

Conclusions:

• Intragastric gastric pacing is an effective treatment for postoperative gastroparesis in a majority of patients.
• This method has shown significant progress and is a rapidly developing field.
• Further research is warranted to optimize parameters and patient selection for gastric pacing.