Evidence map›Paper›PMID 32460827›Full record

ArticleBMC surgery2020

Thermal effects of monopolar electrosurgery detected by real-time infrared thermography: an experimental appendectomy study.

Taras V Nechay, Svetlana M Titkova, Mikhail V Anurov, Elena V Mikhalchik, Kirill Y Melnikov-Makarchyk, Ekaterina A Ivanova, Alexander E Tyagunov, Abe Fingerhut, Alexander V Sazhin

Open access · goldAbstract read
In one paragraph

Article in BMC surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.0field-weighted citation impact, top 26% 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

9 citing papers in PubMed, 23 citations in OpenAlex.

  1. Review
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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

9 authors at 3 institutions in 3 countries.

Taras V NechayPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia. tnechay@mail.ru.
Svetlana M TitkovaPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia.
Mikhail V AnurovPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia.
Elena V MikhalchikResearch and Clinical Center for Physical-Chemical Medicine, Malaya Pirogovskaya 1a, Moscow, 119435, Russia.
Kirill Y Melnikov-MakarchykPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia.
Ekaterina A IvanovaPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia.
Alexander E TyagunovPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia.
Abe FingerhutSection for Surgical Research, Department of Surgery, Medical University of Graz, 8036, Graz, Austria.
Alexander V SazhinPirogov Russian National Research Medical University, Ostrovitianov str. 1, Moscow, 117997, Russia.
Pirogov Russian National Research Medical University · RUResearch Institute of Physical Chemical Medicine · RUShanghai Jiao Tong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMonopolar energy (ME) is routinely used in appendectomy. This study aimed to investigate the degree of lateral thermal spread generated by ME and to evaluate the thermal injury sustained by the close-lying tissues.

methodsAppendectomy with a monopolar Maryland dissector was performed in 8 rabbits (at 30 and 60 W power settings). A high-resolution infrared camera was used to record tissue heating during the intervention. After autopsy macroscopic changes were evaluated and tissue samples were subjected to myeloperoxidase (MPO) assay and histological examination.

resultsNo significant differences in the extent of thermal spread, MPO activity and histological signs of inflammation were observed between groups. Regardless of the power settings, the heat spread exceeded 2 cm laterally along the mesoappendix when application time exceeded 3 s. The spread of heat through tubular structures in both groups caused a significant temperature rise in the nearby intestinal loop, resulting in perforation (n = 3) and necrosis (n = 1).

conclusionsApplication time is critical in thermal spread during appendectomy aided by ME. Tubular anatomic structures can enhance thermal injury on distant tissues. The observed effects of ME bear clinical relevance that need further investigation.

Indexed as

AnimalsAppendectomyAppendixDissectionElectrosurgeryHot TemperatureMaleRabbitsThermographyAppendectomyComplications after appendectomyLateral thermal spreadMonopolar electrosurgeryThermography

Identifiers

PMID32460827
PMCPMC7251678
OpenAlexW3028887739

What OpenQuestion holds

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LicenceCC BY
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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.