Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Exercise-induced gastric mucosal acidosis

H B Nielsen¹, L B Svendsen, T H Jensen

¹Copenhagen Muscle Research Center, Department of Anesthesia, Rigshospitalet, University of Copenhagen, Denmark.

Medicine and Science in Sports and Exercise

|July 1, 1995

Summary

This study used gastric tonometry to assess splanchnic blood flow changes during intense exercise. Results show significant gastric acidosis and reduced blood flow, indicating splanchnic hypoperfusion during maximal rowing.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Does moderate intensity impact exercise and non-impact exercise induce acute changes in collagen biochemical markers related to osteoarthritis? - An exploratory randomized cross-over trial.

Osteoarthritis and cartilage·2021

Same author

Effects of high-intensity exercise training on physical fitness, quality of life and treatment outcomes after oesophagectomy for cancer of the gastro-oesophageal junction: PRESET pilot study.

BJS open·2020

Same author

Sandwich osteotomy of the atrophic posterior mandible with interpositional autogenous bone block graft compared with bone substitute material: a systematic review and meta-analysis.

The British journal of oral & maxillofacial surgery·2020

Same author

Lateral ridge augmentation in the posterior part of the mandible with an autogenous bone block graft harvested from the ascending mandibular ramus. A 10-year retrospective study.

Journal of stomatology, oral and maxillofacial surgery·2020

Same author

Expert consensus on a train-the-trainer curriculum for robotic colorectal surgery.

Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland·2019

Same author

Safety and feasibility of preoperative exercise training during neoadjuvant treatment before surgery for adenocarcinoma of the gastro-oesophageal junction.

BJS open·2019

Area of Science:

Exercise Physiology
Gastroenterology
Sports Medicine

Background:

Splanchnic blood flow regulation during exercise is crucial for maintaining homeostasis.
Gastric tonometry offers a non-invasive method to assess splanchnic perfusion.
Understanding gastrointestinal responses to exercise is vital for athletes and clinicians.

Purpose of the Study:

To evaluate changes in splanchnic blood flow using gastric acidosis assessment during maximal ergometer rowing.
To investigate the relationship between exercise intensity and gastric mucosal perfusion in healthy athletes.

Main Methods:

Six healthy male oarsmen underwent 30 minutes of maximal ergometer rowing.
Gastric mucosal carbon dioxide tension was measured using a tonometer.

Related Experiment Videos

Simultaneously, arterial blood gases (pH, PaO2, SaO2), bicarbonate (HCO3-), and gastric pH (pHi) were recorded.

Main Results:

Maximal rowing led to decreased arterial oxygen tension (PaO2) and saturation (SaO2), with subsequent normalization via hyperventilation.
Arterial bicarbonate (HCO3-) levels decreased, while gastric carbon dioxide tension increased significantly.
Gastric pH (pHi) and arterial pH decreased, with an enlarged pH-pHi difference suggesting marked splanchnic hypoperfusion.

Conclusions:

Maximal ergometer rowing induces significant gastric acidosis and splanchnic hypoperfusion in healthy oarsmen.
Gastric tonometry is a valuable tool for assessing gastrointestinal responses to strenuous physical activity.
These findings highlight the physiological challenges faced by athletes during intense endurance exercise.