Related Experiment Videos

Cardiac sympathovagal balance during endoscopic retrograde cholangiopancreatography

M Petelenz1, J Musialik, P Besser

  • 1Dept. of Internal Medicine, Silesian University Medical School, Katowice, Poland. mpet@sla.com.pl

Endoscopy
|September 16, 2000
PubMed

Insights

Contrast injection during ERCP affects the autonomic nervous system differently based on common bile duct size. Normal-sized ducts show a sympathovagal response, unlike dilated ducts.

Area of Science:

  • Gastroenterology
  • Autonomic Nervous System Physiology
  • Cardiopulmonary Medicine

Background:

  • Cardiopulmonary complications are known risks during upper gastrointestinal endoscopy and ERCP.
  • The autonomic nervous system's role in these complications requires further investigation.

Purpose of the Study:

  • To investigate the sympathovagal response to common bile duct (CBD) distension during ERCP.
  • To compare the autonomic response between normal-sized and dilated CBDs.

Main Methods:

  • 16 patients undergoing ERCP were divided into two groups: normal CBD size (Group A) and dilated CBD (Group B).
  • Heart rate variability (HRV) was measured using Holter monitoring.
  • Frequency domain analysis of HRV (LF and HF components) assessed sympathovagal balance.

Main Results:

  • Contrast injection into normal-sized CBDs (Group A) caused a significant increase in both LF and HF components of HRV.
  • No significant sympathovagal response was observed after contrast injection in patients with dilated CBDs (Group B).

Conclusions:

  • Contrast medium injection into a normal-sized CBD during ERCP elicits a distinct sympathovagal response.
  • Dilated CBDs undergoing contrast injection during ERCP do not appear to stimulate the autonomic nervous system in the same manner.
Abstract

Related Concept Videos

Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
Patient...
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
Cardiomyopathy VII: Pre and Post Operative Nursing Management01:28

Cardiomyopathy VII: Pre and Post Operative Nursing Management

Patients with hypertrophic cardiomyopathy (HCM) and left ventricular outflow tract (LVOT) obstruction who remain symptomatic despite optimal medical therapy may undergo a septal myectomy (Morrow procedure). This procedure involves excising a portion of the hypertrophied septum below the aortic valve using a heart-lung machine to improve blood flow through the LVOT. Effective preoperative and postoperative nursing management ensures successful patient outcomes, minimizes complications, and...
Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
Sigmoidoscopy is a diagnostic procedure that uses a flexible sigmoidoscope equipped with a light source and camera to examine the rectum and sigmoid colon. The procedure involves inserting the tube through the anus...
Cardiac Catheterization IV: Nursing Management01:26

Cardiac Catheterization IV: Nursing Management

Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...