Gregor J Kocher

Has grant

Switzerland

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Recent Grants

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Hazardous surgical smoke: Risk assessment and evaluation of a new smoke extractor system in the surgical unit

Open Date: 2019-01-01

Close Date: 2020-01-01

Grant: Close

Identify therapeutic targets to promote chemotherapy efficiency in KRAS-mutant lung cancer by CRISPR screen

Open Date: 2018-01-01

Close Date: 2019-01-01

Grant: Close

Phrenic nerve preservation during pneumonectomy - long term results

Open Date: 2013-09-01

Close Date: 2014-09-01

Grant: Close

EACTS Thoracic Prize

Open Date: 2013-06-01

Close Date: 2014-06-01

Articles (8)

Year:

2022

OBJECTIVES Evaluation of smoke capture efficiency of different mobile smoke evacuation devices with respect to volatile organic compounds and their noise emission. METHODS Electrosurgical incisions were performed on fresh porcine liver in an operating room with vertical laminar flow. The generated surgical smoke was analysed with proton-transfer-reaction mass spectrometry with and without the use of a mobile smoke evacuation system consisting of a smoke evacuator machine, a suction hose and a handpiece. The inlet of the mass spectrometer was positioned 40 cm above the specimen. Various devices were compared: a hard plastic funnel, a flexible foam funnel, an on-tip integrated aspirator of an electrosurgical knife and a standard secretion suction (Yankauer). Also, sound levels were measured at a distance of 40 cm from the handpieces’ inlet. RESULTS The smoke capture efficiency of the secretion suction was only 53%, while foam funnel, plastic funnel and integrated aspirator were all significantly more effective with a clearance of 95%, 91% and 91%, respectively. The mean sound levels were 68 and 59 A-weighted decibels with the plastic and foam funnel, respectively, 66 A-weighted decibels with the integrated aspirator and 63 A-weighted decibels with the secretion suction. CONCLUSIONS Carcinogenic, mutagenic and reprotoxic volatile organic compounds in surgical smoke can be efficiently reduced by mobile smoke evacuation system, providing improved protection for medical personnel. Devices specifically designed for smoke evacuation are more efficient than standard suction tools. Noise exposure for the surgeon was lowest with the flexible foam funnel and higher with the other handpieces tested.

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2022

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2022

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2021

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2021

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2021

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2020

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2020

Collaborators (71)

Demin Li

University of Oxford

UNITED KINGDOM

Gregor J Kocher

Research Interests

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Recent Grants

Articles (8)

A Breakthrough Brought about by Targeting KRASG12C: Nonconformity Is Punished

Surgical smoke: modern mobile smoke evacuation systems improve occupational safety in the operating theatre

Combination of endobronchial bronchoscopic debulking and bronchoplastic segmentectomy of an obstructive neuroendocrine tumour: probably the least invasive approach

Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study.

Robotic vs. Transsternal Thymectomy: A Single Center Experience over 10 Years

Robotic-Assisted Thoracoscopic Resection of the First Rib for Vascular Thoracic Outlet Syndrome: The New Gold Standard of Treatment?

Bilateral thoracic duct ligation for persisting postoperative chylothorax

CRISPR Screening Identifies WEE1 as a Combination Target for Standard Chemotherapy in Malignant Pleural Mesothelioma

Collaborators (71)

Demin Li

Tamara Tango

Satoshi Toyama

HERMAN SEHMBI

IOANNIS VALIOULIS

Ladislao Cayetano Paniagua

DIEGO CARRION

Claus Cursiefen

Ren-Wang Peng

Philipp Foessleitner

Susan Lee

Saam Tourani

Nolan Bruce

Jiali Gao

Paola Zinser Peniche

Danny Chandla

Davide Citterio

Marisa Domingues Santos

Thomas Michael Marti

Alastair Morton

Nicholas Alexakis

Aina Brunet

Ruth A Benson

Felix Naegele

Shafaque Shaikh

Chang Woo Kim

Florestan J. Koll

Michael McTague

Stephanie Hage

Allison Brown

Aimal Khan

Amanda Koh

Rhea Darbari Kaul

Emmanuel Katsogridakis

Hilal A Al Sabti

Jon Andri Lutz

Jeremy Wales

Santiago Sánchez-Cabús

Ishan Radotra

Neil Ryan

Javier Aitor Zabala Lopez-Maturana

Gonzalo Díaz Tapia

Rita Canotilho

Eoin O'Farrell

Khalid Ahmed

Daniel Gero

Jan Goedeke

Ioannis Siasios

Rubén Martín-Láez

Kathrin Patzer

Filipe Castro Borges

Robert K. Parker

Ralph Alexander Schmid

Christian Reiterer

Michael Grechenig

JAVIER MATA

Neel Doshi

Carmen Portenkirchner

Krishnaraj Sinhji Rathod

Mateusz Zawadka

Benjamin Hall

Christian Praetorius

Tobias Ulrich Müller

Luca Ponchietti

Sarah Rennie