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The new guidance document, authored by Andrew P. Copland, MD, of the University of Virginia Health System, Charlottesville, and colleagues, includes 12 pieces of best practice advice pertaining to polyp removal, including the need for evaluation, considerations for selecting a resection strategy, and reasons for referral.
“Polypectomy techniques are continually evolving with improvements in the ability to assess polyps for high-risk features and with development of appropriate procedures for complete and safe polyp resection,” the authors wrote in Clinical Gastroenterology and Hepatology. “This clinical practice update provides guidance in characterizing polyps and choosing appropriate polypectomy techniques for polyps 2 cm or less in size, which comprise most polyps encountered by most endoscopists.”
To begin, they advised a “structured visual assessment using high-definition white light and/or electronic chromoendoscopy and with photodocumentation” for all polyps identified during routine colonoscopy, with close attention to any features suggesting submucosal invasion.
Next, in a series of statements, the guidance document steers appropriate use of various cold and hot polypectomy techniques.
Cold snare polypectomy should be used for polyps less than 10 mm in size, while cold forceps may be considered for polyps 1-3 mm in diameter. Cold resection techniques should also be used for serrated polyps, with use of submucosal injection, if needed, for polyps greater than 10 mm with unclear margins.
For polyps of intermediate size (10-19 mm), both cold and hot snare polypectomy should be considered, alongside endoscopic mucosal resection for polyps, Dr. Copland and colleagues wrote, noting that hot snare polypectomy should be used for removal of pedunculated lesions greater than 10 mm in size.
In contrast, the update advises against use of hot forceps polypectomy in any scenario.
“Hot forceps polypectomy for diminutive and small polyps is associated with higher incomplete polyp removal rates compared with cold snare polypectomy,” the update panelists wrote. “It is also associated with higher risks of postpolypectomy hemorrhage, particularly in the right colon with higher risks of deep thermal injury. Therefore, the use of hot forceps polypectomy is discouraged.”
In another best practice advice statement, the panelists advised against routine use of clips to close resection sites for polyps less than 20 mm. For larger polyps, they advised “selective use” of clips, most suitably in the proximal colon.
Alternatively, patients with polyps at least 20 mm in size should be considered for referral to endoscopic referral centers, along with patients who have polyps in “challenging” locations, and those with a recurrent polyp at a prior polypectomy site.
Patients with nonpedunculated polyps that exhibit “clear evidence of submucosally invasive cancer” should be referred for surgical evaluation, they added. On a similar note, the update advises tattooing lesions that may need to be located at a future surgery or endoscopy.
Finally, Dr. Copland and colleagues advised all endoscopists to understand appropriate selection of electrosurgical generator settings for various polypectomy or postpolypectomy thermal techniques.
“Ongoing research will allow further tailoring of polypectomy techniques to improve patient outcomes,” they concluded.This clinical practice update was commissioned and approved by the AGA Institute. The working group disclosed relationships with Olympus, Boston Scientific, GIE Medical, and others.
The new guidance document, authored by Andrew P. Copland, MD, of the University of Virginia Health System, Charlottesville, and colleagues, includes 12 pieces of best practice advice pertaining to polyp removal, including the need for evaluation, considerations for selecting a resection strategy, and reasons for referral.
“Polypectomy techniques are continually evolving with improvements in the ability to assess polyps for high-risk features and with development of appropriate procedures for complete and safe polyp resection,” the authors wrote in Clinical Gastroenterology and Hepatology. “This clinical practice update provides guidance in characterizing polyps and choosing appropriate polypectomy techniques for polyps 2 cm or less in size, which comprise most polyps encountered by most endoscopists.”
To begin, they advised a “structured visual assessment using high-definition white light and/or electronic chromoendoscopy and with photodocumentation” for all polyps identified during routine colonoscopy, with close attention to any features suggesting submucosal invasion.
Next, in a series of statements, the guidance document steers appropriate use of various cold and hot polypectomy techniques.
Cold snare polypectomy should be used for polyps less than 10 mm in size, while cold forceps may be considered for polyps 1-3 mm in diameter. Cold resection techniques should also be used for serrated polyps, with use of submucosal injection, if needed, for polyps greater than 10 mm with unclear margins.
For polyps of intermediate size (10-19 mm), both cold and hot snare polypectomy should be considered, alongside endoscopic mucosal resection for polyps, Dr. Copland and colleagues wrote, noting that hot snare polypectomy should be used for removal of pedunculated lesions greater than 10 mm in size.
In contrast, the update advises against use of hot forceps polypectomy in any scenario.
“Hot forceps polypectomy for diminutive and small polyps is associated with higher incomplete polyp removal rates compared with cold snare polypectomy,” the update panelists wrote. “It is also associated with higher risks of postpolypectomy hemorrhage, particularly in the right colon with higher risks of deep thermal injury. Therefore, the use of hot forceps polypectomy is discouraged.”
In another best practice advice statement, the panelists advised against routine use of clips to close resection sites for polyps less than 20 mm. For larger polyps, they advised “selective use” of clips, most suitably in the proximal colon.
Alternatively, patients with polyps at least 20 mm in size should be considered for referral to endoscopic referral centers, along with patients who have polyps in “challenging” locations, and those with a recurrent polyp at a prior polypectomy site.
Patients with nonpedunculated polyps that exhibit “clear evidence of submucosally invasive cancer” should be referred for surgical evaluation, they added. On a similar note, the update advises tattooing lesions that may need to be located at a future surgery or endoscopy.
Finally, Dr. Copland and colleagues advised all endoscopists to understand appropriate selection of electrosurgical generator settings for various polypectomy or postpolypectomy thermal techniques.
“Ongoing research will allow further tailoring of polypectomy techniques to improve patient outcomes,” they concluded.This clinical practice update was commissioned and approved by the AGA Institute. The working group disclosed relationships with Olympus, Boston Scientific, GIE Medical, and others.
The new guidance document, authored by Andrew P. Copland, MD, of the University of Virginia Health System, Charlottesville, and colleagues, includes 12 pieces of best practice advice pertaining to polyp removal, including the need for evaluation, considerations for selecting a resection strategy, and reasons for referral.
“Polypectomy techniques are continually evolving with improvements in the ability to assess polyps for high-risk features and with development of appropriate procedures for complete and safe polyp resection,” the authors wrote in Clinical Gastroenterology and Hepatology. “This clinical practice update provides guidance in characterizing polyps and choosing appropriate polypectomy techniques for polyps 2 cm or less in size, which comprise most polyps encountered by most endoscopists.”
To begin, they advised a “structured visual assessment using high-definition white light and/or electronic chromoendoscopy and with photodocumentation” for all polyps identified during routine colonoscopy, with close attention to any features suggesting submucosal invasion.
Next, in a series of statements, the guidance document steers appropriate use of various cold and hot polypectomy techniques.
Cold snare polypectomy should be used for polyps less than 10 mm in size, while cold forceps may be considered for polyps 1-3 mm in diameter. Cold resection techniques should also be used for serrated polyps, with use of submucosal injection, if needed, for polyps greater than 10 mm with unclear margins.
For polyps of intermediate size (10-19 mm), both cold and hot snare polypectomy should be considered, alongside endoscopic mucosal resection for polyps, Dr. Copland and colleagues wrote, noting that hot snare polypectomy should be used for removal of pedunculated lesions greater than 10 mm in size.
In contrast, the update advises against use of hot forceps polypectomy in any scenario.
“Hot forceps polypectomy for diminutive and small polyps is associated with higher incomplete polyp removal rates compared with cold snare polypectomy,” the update panelists wrote. “It is also associated with higher risks of postpolypectomy hemorrhage, particularly in the right colon with higher risks of deep thermal injury. Therefore, the use of hot forceps polypectomy is discouraged.”
In another best practice advice statement, the panelists advised against routine use of clips to close resection sites for polyps less than 20 mm. For larger polyps, they advised “selective use” of clips, most suitably in the proximal colon.
Alternatively, patients with polyps at least 20 mm in size should be considered for referral to endoscopic referral centers, along with patients who have polyps in “challenging” locations, and those with a recurrent polyp at a prior polypectomy site.
Patients with nonpedunculated polyps that exhibit “clear evidence of submucosally invasive cancer” should be referred for surgical evaluation, they added. On a similar note, the update advises tattooing lesions that may need to be located at a future surgery or endoscopy.
Finally, Dr. Copland and colleagues advised all endoscopists to understand appropriate selection of electrosurgical generator settings for various polypectomy or postpolypectomy thermal techniques.
“Ongoing research will allow further tailoring of polypectomy techniques to improve patient outcomes,” they concluded.This clinical practice update was commissioned and approved by the AGA Institute. The working group disclosed relationships with Olympus, Boston Scientific, GIE Medical, and others.
FROM CLINICAL GASTROENTEROLOGY AND HEPATOLOGY