Evidence map›Paper›PMID 31641966›Full record

ArticleLasers in medical science2020

Feasibility study of endoscopic thermal coagulation with circumferential laser irradiation for treating esophageal tissue.

Seok Jeong, Jinoh Bak, Sung Min Kim, Hyun Wook Kang

Abstract read
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In one paragraph

Article in Lasers in medical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.2field-weighted citation impact, top 40% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 6 citations in OpenAlex.

  1. Article
  2. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 1 country.

Seok JeongDivision of Gastroenterology, Department of Internal Medicine, Inha University School of Medicine, Incheon, Republic of Korea.
Jinoh BakInterdisciplinary Program of Marine-Bio, Electrical & Mechanical Engineering, Pukyong National University, Busan, Republic of Korea.
Sung Min KimBluecore Company Co. Ltd, Busan, Republic of Korea.
Hyun Wook KangInterdisciplinary Program of Marine-Bio, Electrical & Mechanical Engineering, Pukyong National University, Busan, Republic of Korea. wkang@pukyong.ac.kr.ORCID http://orcid.org/0000-0002-0861-1354
Pukyong National University · KRInha University · KR

Funding

Ministry of Health & Welfare, Republic of Korea HI16C1017
6 · The paper itself

Abstract

Barrett's esophagus (BE) is associated with an intestinal metaplasia that replaces normal squamous epithelium by columnar epithelium. The aim of the current study was to evaluate the feasible endoscopic treatment on esophageal tissue with circumferential laser irradiation. A 532-nm laser was used to deliver 10 W in a continuous manner through a balloon catheter-integrated diffuser. Ex vivo leporine esophagus was tested to identify thermal responses at various irradiation times. In vivo testing in a porcine model was performed to evaluate the feasibility of endoscopic application with the integrated device for BE treatment. Goniometric measurements confirmed that the proposed device yielded uniform radial irradiation (i.e., 0.9 ± 0.1 in arbitrary unit). Emission profiles were well correlated with temperature distribution along the device. Ex vivo leporine testing demonstrated that the temperature rise increased with irradiation time. The maximum temperature increase was around 38 °C after 60-s irradiation (transient increase rate = 0.62 °C/s), and the corresponding thermal coagulation reached esophageal submucosa (1.5 ± 0.2 mm). In vivo porcine testing evidently presented circumferential thermal denaturation around the lumen along with mild inflammatory reaction and the degenerated squamous epithelium. The overall thickness of the irreversible thermal coagulation was 3.1 ± 0.2 mm. The proposed photothermal therapy can be a feasible endoscopic method to treat BE with the aid of circumferential irradiation and mechanical expansion. Further chronic in vivo testing will be pursued to understand chronic tissue response in terms of wound healing and complication.

Indexed as

EndoscopyLaser CoagulationTemperatureAnimalsEsophagusFeasibility StudiesHumansRabbitsSwineballoon catheteresophagusoptical diffuserphotothermal treatment

Identifiers

PMID31641966
OpenAlexW2981421693

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.