eISSN: 2081-2841
ISSN: 1689-832X
Journal of Contemporary Brachytherapy
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1/2023
vol. 15
 
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abstract:
Original paper

Pain and symptom relief using inhaled methoxyflurane for gynecologic brachytherapy applicator removal

Alexandra J. Stewart
1, 2
,
Ciarna Brooker
1
,
Gemma Vose
1
,
Katie Redmond
1
,
Amy Williams
1
,
Nikesh Pankhania
1
,
Hayley Dommett
1
,
Justin Kirk-Bayley
3
,
Adrian P. Franklin
1
,
Ben Morrison
3

  1. Radiotherapy Department, St Luke’s Cancer Centre, Royal Surrey County Hospital, Guildford, UK
  2. University of Surrey, Guildford, UK
  3. Anaesthetic Department, Royal Surrey County Hospital, Guildford, UK
J Contemp Brachytherapy 2023; 15, 1: 37–42
DOI: https://doi.org/10.5114/jcb.2023.125581
Online publish date: 2023/02/28
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Purpose:
Intra-cavitary brachytherapy forms an essential part of the curative treatment of cervical and vaginal cancer, and can be used for cure or palliation in endometrial and vulval cancers. Removal of brachytherapy applicators is often performed after anaesthesia has worn off and can be an uncomfortable and anxiety-provoking procedure. In this paper, we present our experience in a series of patients before and after the introduction of inhaled methoxyflurane (IMF, Penthrox™).

Material and methods:
Questionnaires were sent to patients prior to the introduction of IMF to retrospectively score pain and anxiety during the brachytherapy procedure. Following successful review by the local drugs and therapeutic committee as well as staff training, IMF was introduced and offered to patients during applicator removal. Prospective pain scores and retrospective questionnaires were collected. Pain was rated on a scale of 0 to 10, with zero being no pain and 10 being extreme pain.

Results:
Thirteen patients returned retrospective questionnaires prior to IMF introduction and seven patients following IMF introduction. After the first brachytherapy insertion, the mean recollected pain score during applicator removal decreased from 6/10 to 1/10 (p = 0.002). The mean recollected pain score one hour after applicator removal reduced from 3/10 to 0 (p = 0.04). Prospective measurements for 77 insertions in 44 patients receiving IMF reported a median pain score of 1/10 immediately before applicator removal (range, 0-10), and 0/10 immediately after applicator removal (range, 0-5).

Conclusions:
Inhaled methoxyflurane is easily administered and effective method of decreasing pain during applicator removal following gynecologic brachytherapy.

keywords:

cervical cancer, gynecologic brachytherapy, inhaled methoxyflurane, Penthrox™

  
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