Dr. Jeffrey Ponsky · Innovations in Surgery: PEG Tube
Follow
Podcast33 min·Published Aug 2023Older

Innovations in Surgery: PEG Tube

With Dr. Jeffrey Ponsky · hosted by Dr. Dan Shea

Chapter 1 of 9 · Fundamentals

PEG origins

Origins of the PEG Tube: Transillumination and First Cases

Try
Intelligent Search· scoped to severe psychomotor retardation · not medical adviceSearch the whole library →
What the experts said29 expert statements · 1 host summary
Ponsky purchased his own Olympus endoscope with financial help from his mother-in-law after being told surgeons could not use gastroenterology equipment.
ClinicalJeffrey Ponsky
No pediatric gastroenterologists existed in Cleveland in the mid-1970s, creating an opportunity for Ponsky to perform pediatric endoscopy.
ClinicalJeffrey Ponsky
Transillumination was observed in thin neonates during endoscopy, with the room lighting up and finger indentation visible on the scope when pressed against the abdominal wall.
ClinicalJeffrey Ponsky
The initial PEG tube was constructed using a Foley catheter (depezar catheter), sutures, and an IV catheter called a medicut as a dilator.
ClinicalJeffrey Ponsky
The first five PEG procedures were performed in neurologically impaired infants who were brain dead with severe psychomotor retardation, being fed by nasogastric tubes with no chance of recovery.
ClinicalJeffrey Ponsky
Informed consent for the first PEG procedures involved telling mothers that if the new technique failed, an immediate laparotomy would be performed.
ClinicalJeffrey Ponsky
The PEG tube procedure was developed in May 1979 by Jeffrey Ponsky and Michael Gower at University Hospitals of Cleveland.
ClinicalJeffrey Ponsky
Laboratory studies on PEG tract formation were conducted after the initial clinical cases, reversing the typical research sequence.
ClinicalJeffrey Ponsky
Multiple medical device companies initially refused to manufacture the PEG tube, believing nobody would use it.
ClinicalJeffrey Ponsky
A small company in Mentor, Ohio eventually manufactured the PEG tube exactly as designed, without patent protection being pursued.
ClinicalJeffrey Ponsky
Colonic perforation can occur during PEG placement if the tube goes through the colon on the way to the stomach, though this is rare.
ClinicalJeffrey Ponsky
Exit-site infection was a major complication of PEG placement initially.
ClinicalJeffrey Ponsky
PEG tubes evolved from multi-piece rubber construction to one-piece silicone, with few modifications after the first few years.
ClinicalJeffrey Ponsky
The PEG tube was the first time any instrument or needle was thrust through the abdominal wall into the GI tract and left there.
ClinicalJeffrey Ponsky
Endoscopic tattooing with India ink was developed in 1975 to mark polypectomy sites, allowing surgeons to locate the resection area if cancer was found.
ClinicalJeffrey Ponsky
Ponsky was initially denied endoscopy training as a surgical resident in the mid-1970s because gastroenterologists claimed the field as their exclusive domain.
ClinicalJeffrey Ponsky
American Cystoscope Makers Incorporated (ACMI) produced early endoscopes with joystick controls and poor image quality compared to Japanese Olympus scopes.
ClinicalJeffrey Ponsky
Early fiber-optic endoscopes required direct eye-to-lens visualization with images carried by fiber bundles, and photographs were taken on small film strips.
ClinicalJeffrey Ponsky
Video chip camera technology emerged around 1980, placing a camera at the scope tip and displaying images on monitors.
ClinicalJeffrey Ponsky
Pediatric patients could tolerate adult endoscopes approximately 9 millimeters wide in the late 1970s.
ClinicalJeffrey Ponsky
Early endoscope cleaning consisted only of washing with green soap between procedures, without high-level disinfection or sterilization.
ClinicalJeffrey Ponsky
The PEG tube received FDA 510(k) approval as a device used for a similar purpose to existing gastrostomy tubes, though the insertion method was novel.
GuidelineJeffrey Ponsky
PEG indications expanded beyond feeding to include gastric decompression for gastroparesis or obstruction in carcinomatosis patients, delivery of unpalatable feedings, and management of gastric volvulus.
ClinicalJeffrey Ponsky
The PEG technique was adapted for colonic use in sigmoid volvulus and Ogilvie syndrome decompression.
ClinicalJeffrey Ponsky
At the 1980 Salt Lake City presentation to 1,500 attendees, a Mass General surgeon stated he could perform open gastrostomy in 30 minutes.
OpinionJeffrey Ponsky
A prominent ERCP expert told Ponsky at the 1980 presentation that he wished he had thought of the PEG technique.
OpinionJeffrey Ponsky
Gastroenterologists adopted the PEG procedure first as a therapeutic endoscopic technique, while surgeons were slower to adopt it due to less familiarity with endoscopy.
ClinicalJeffrey Ponsky
PEG tube placement takes under 5 minutes when performed correctly and carefully.
ClinicalJeffrey Ponsky
Radiologic PEG placement exists using ultrasound guidance, though Ponsky prefers the endoscopic tube design.
OpinionJeffrey Ponsky
A Mayo Clinic study by Larson demonstrated that a single perioperative dose of antibiotic almost eliminated infections around PEG tubes.
Host summaryJeffrey Ponsky summarizing a resource · not cited in answers