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Preoperative nasopharyngeal swab testing and postoperative pulmonary complications in patients undergoing elective surgery during the SARS-CoV-2 pandemic
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Abstract
Background
Surgical services are preparing to scale up in areas affected by COVID-19. This study aimed to evaluate the association between preoperative SARS-CoV-2 testing and postoperative pulmonary complications in patients undergoing elective cancer surgery.
Methods
This international cohort study included adult patients undergoing elective surgery for cancer in areas affected by SARS-CoV-2 up to 19 April 2020. Patients suspected of SARS-CoV-2 infection before operation were excluded. The primary outcome measure was postoperative pulmonary complications at 30 days after surgery. Preoperative testing strategies were adjusted for confounding using mixed-effects models.
Results
Of 8784 patients (432 hospitals, 53 countries), 2303 patients (26.2 per cent) underwent preoperative testing: 1458 (16.6 per cent) had a swab test, 521 (5.9 per cent) CT only, and 324 (3.7 per cent) swab and CT. Pulmonary complications occurred in 3.9 per cent, whereas SARS-CoV-2 infection was confirmed in 2.6 per cent. After risk adjustment, having at least one negative preoperative nasopharyngeal swab test (adjusted odds ratio 0.68, 95 per cent confidence interval 0.68 to 0.98; P = 0.040) was associated with a lower rate of pulmonary complications. Swab testing was beneficial before major surgery and in areas with a high 14-day SARS-CoV-2 case notification rate, but not before minor surgery or in low-risk areas. To prevent one pulmonary complication, the number needed to swab test before major or minor surgery was 18 and 48 respectively in high-risk areas, and 73 and 387 in low-risk areas.
Conclusion
Preoperative nasopharyngeal swab testing was beneficial before major surgery and in high SARS-CoV-2 risk areas. There was no proven benefit of swab testing before minor surgery in low-risk areas.
Oxford University Press (OUP)
James C Glasbey
Omar Omar
Dmitri Nepogodiev
Ana Minaya-Bravo
Brittany Kay Bankhead-Kendall
Marco Fiore
Kaori Futaba
Alodia Gabre-Kidan
Rohan R Gujjuri
Arda Isik
Haytham M A Kaafarani
Sivesh K Kamarajah
Elizabeth Li
Markus W Löffler
Kenneth A McLean
Oumaima Outani
Faustin Ntirenganya
Sohei Satoi
Richard Shaw
Joana F F Simoes
Grant D Stewart
Stephen Tabiri
Isobel M Trout
Aneel A Bhangu
James C Glasbey
Omar Omar
Aneel A Bhangu
Kwabena Siaw-Acheampong
Ruth A Benson
Edward Bywater
Daoud Chaudhry
Brett E Dawson
Jonathan P Evans
James C Glasbey
Rohan R Gujjuri
Emily Heritage
Conor S Jones
Sivesh K Kamarajah
Chetan Khatri
Rachel A Khaw
James M Keatley
Andrew Knight
Samuel Lawday
Elizabeth Li
Harvinder S Mann
Ella J Marson
Kenneth A McLean
Siobhan C Mckay
Emily C Mills
Dmitri Nepogodiev
Gianluca Pellino
Maria Picciochi
Elliott H Taylor
Abhinav Tiwari
Joana F F Simoes
Isobel M Trout
Mary L Venn
Richard J W Wilkin
Aneel Bhangu
James C Glasbey
Neil J Smart
Ana Minaya-Bravo
Jonathan P Evans
Gaetano Gallo
Susan Moug
Francesco Pata
Peter Pockney
Salomone Di Saverio
Abigail Vallance
Dale Vimalchandran
Ewen A Griffiths
Sivesh K Kamarajah
Richard P T Evans
Philip Townend
Keith Roberts
Siobhan McKay
John Isaac
Sohei Satoi
John Edwards
Aman S Coonar
Adrian Marchbank
Edward J Caruana
Georgia R Layton
Akshay Patel
Alessandro Brunelli
Samuel Ford
Anant Desai
Alessandro Gronchi
Marco Fiore
Max Almond
Fabio Tirotta
Sinziana Dumitra
Angelos Kolias
Stephen J Price
Daniel M Fountain
Michael D Jenkinson
Peter Hutchinson
Hani J Marcus
Rory J Piper
Laura Lippa
Franco Servadei
Ignatius Esene
Christian Freyschlag
Iuri Neville
Gail Rosseau
Karl Schaller
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Faith Robertson
Alex Alamri
Richard Shaw
Andrew G Schache
Stuart C Winter
Michael Ho
Paul Nankivell
Juan Rey Biel
Martin Batstone
Ian Ganly
Raghavan Vidya
Alex Wilkins
Jagdeep K Singh
Dinesh Thekinkattil
Sudha Sundar
Christina Fotopoulou
Elaine Leung
Tabassum Khan
Luis Chiva
Jalid Sehouli
Anna Fagotti
Paul Cohen
Murat Gutelkin
Rahel Ghebre
Thomas Konney
Rene Pareja
Rob Bristow
Sean Dowdy
Shylasree T S Rajkumar
Joe Ng
Keiiji Fujiwara
Grant D Stewart
Benjamin Lamb
Krishna Narahari
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Steve Bromage
Ravi Barod
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Knut Magne Augestad
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H Soleymani majd
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D Stavroulias
G D Tebala
M Vatish
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K Wallwork
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M Jibreel
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T Saafan
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N Watson
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C Nahm
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A Kourdouli
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N Stylianides
A Aderombi
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K Beatson
W Garrett
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R Al-Habsi
G S Divya
B Keeler
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R Egan
R Harries
A Henry
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K Parkins
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D Thompson
C Burgess
C Gemmell
C Grieco
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L Hunt
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F Abbadessa
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J Hammond
F Mahmoud Ali
I McPherson
C Mellor
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S Pandanaboyana
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A Sachdeva
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S Tingle
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J Manickavasagam
C McDonald
N McGrath
N McSorley
K Ragupathy
L Ramsay
A Solth
O Kakisi
K Seebah
I Shaikh
L Sreedharan
M Youssef
J Shah
P Ameerally
N McLarty
S Mills
A Shenfine
K Sahnan
J Abu
E Addae-Boateng
D Bratt
L Brock
N Burnside
S Cadwell-Sneath
K Gajjar
C Gan
C Grundy
K Hallam
K Hassell
M Hawari
A Joshi
H Khout
K Konstantinidi
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D Nunns
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T Walton
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K Williamson
J McVeigh
R Myatt
M A Williams
R Kaur
E Leung
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M Michel
S Patil
S Ravindran
J Sarveswaran
L Scott
M Edmond
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M Almond
A Bhangu
O Breik
L D Cato
A Desai
S Ford
E Griffiths
M Idle
M Kamal
A Kisiel
R Kulkarni
J K C Mak
T Martin
P Nankivell
A Parente
S Parmar
A M Pathanki
L Phelan
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S Saeed
N Sharma
J Singh
F Tirotta
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A Geddes
J McCaul
J McMahon
A H Khan
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S Mukherjee
M Patel
M Sarigul
S Singh
K L Tan
A Woodham
A Adiamah
H Brewer
A Chowdhury
J Evans
D Humes
J Jackman
A Koh
C Lewis-Lloyd
O Oyende
J Reilly
D Worku
P Cool
G Cribb
K Shepherd
C Bisset
S Moug
N Elson
G Faulkner
P Saleh
C Underwood
G Brixton
L Findlay
T Klatte
A Majkowska
J Manson
R Potter
A Bhalla
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P Daliya
A Goyal
E Grimley
A Hamad
A Kumar
F L Malcolm
E Theophilidou
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C Evans
G Fowler
J John
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A McLennan
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J Pascoe
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B Davidson
G Fusai
C Hidalgo Salinas
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J M Pollok
D A Raptis
F Soggiu
H Tzerbinis
S E Xyda
A Beamish
E Davies
R Foulkes
D Magowan
H Nassa
R Ooi
C Price
L Smith
F Solari
A Tang
G Williams
Y Al-Tamimi
A Bacon
N Beasley
D Chew
M Crank
N Ilenkovan
M Macdonald
B Narice
O Rominiyi
A Thompson
I Varley
T Drake
E Harrison
G Linder
J Mayes
R McGregor
R Skipworth
V Zamvar
E Davies
P Hawkin
T Raymond
O Ryska
R Baron
D Dunne
S Gahunia
C Halloran
N Howes
R McKinney
F McNicol
J Russ
P Szatmary
J R Tan
A Thomas
P Whelan
A Anzak
A Banerjee
O Fuwa
F Hughes
J D Jayasinghe
C Knowles
H Kocher
I Leal Silva
F S Ledesma
A Minicozzi
L Navaratne
R Rahman
R Ramamoorthy
C Sohrabi
M Thaha
B Thakur
M Venn
V Yip
R Baumber
J Parry
S Evans
L Jeys
G Morris
M Parry
J Stevenson
N Ahmadi
G Aresu
Z M Barrett-Brown
A S Coonar
H Durio Yates
D Gearon
J Hogan
M King
A Peryt
I S Pradeep
C Smith
M Adishesh
R Atherton
K Baxter
M Brocklehurst
M Chaudhury
N Krishnamohan
J McAleer
G Owens
E Parkin
P Patkar
I Phang
A Aladeojebi
M Ali
B Barmayehvar
A Gaunt
M Gowda
E Halliday
M Kitchen
F Mansour
M Thomas
D Zakai
N Abbassi-Ghadi
H Assalaarachchi
A Currie
M Flavin
A Frampton
M Hague
C Hammer
J Hopper
J Horsnell
S Humphries
A Kamocka
T K Madhuri
S Preston
P Singh
J Stebbing
A Tailor
D Walker
F Aljanadi
M Jones
P Mhandu
C O’Donnell
R Turkington
Z Al-Ishaq
S Bhasin
A S Bodla
A Burahee
A Crichton
R Fossett
N Pigadas
S Pickford
E Rahman
D Snee
R Vidya
N Yassin
F Colombo
D Fountain
M T Hasan
K Karabatsou
R Laurente
O Pathmanaban
A Al-mukhtar
S Brown
J Edwards
A Giblin
C Kelty
M Lee
G Lye
T Newman
A Sharkey
C Steele
N Sureshkumar Shah
E Whitehall
R Athwal
A Baker
L Jones
C Konstantinou
S Ramcharan
S Singh
J Vatish
R Wilkin
M Ethunandan
G K Sekhon
H Shields
R Singh
F Wensley
S Lawday
A Lyons
T Abbott
S Anwar
K Ghufoor
C Sohrabi
E Chung
R Hagger
A Hainsworth
A Karim
H Owen
A Ramwell
K Williams
C Baker
A Davies
J Gossage
M Kelly
W Knight
J Hall
G Harris
G James
C Kang
D J Lin
A D Rajgor
T Royle
R Scurrah
B Steel
L J Watson
D Choi
R Hutchison
A Jain
V Luoma
H Marcus
R May
A Menon
B Pramodana
L Webber
I A Aneke
P Asaad
B Brown
J Collis
S Duff
A Khan
F Moura
B Wadham
H Warburton
T Elmoslemany
M Jenkinson
C Millward
R Zakaria
S Mccluney
C Parmar
S Shah
J Allison
M S Babar
B Collard
S Goodrum
K Lau
A Patel
R Scott
E Thomas
H Whitmore
D Balasubramaniam
B Jayasankar
S Kapoor
A Ramachandran
A Elhamshary
S M B Imam
K Kapriniotis
V Kasivisvanathan
J Lindsay
S Rakhshani-Moghadam
N Beech
M Chand
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N Kalavrezos
H Kiconco
R McEwen
C Schilling
D Sinha
J Pereca
J Singh
S Chopra
D Egbeare
R Thomas
T Combellack
S E F Jones
M Kornaszewska
M Mohammed
A Sharma
G Tahhan
V Valtzoglou
J Williams
P Eskander
K Gash
L Gourbault
M Hanna
T Maccabe
C Newton
J Olivier
S Rozwadowski
E Teh
D West
H Al-omishy
M Baig
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G Di Taranto
K Dickson
N Dunne
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A Khajuria
A Martin-Ucar
K McEvoy
P Naredla
V Ng
S Robertson
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D R Sarma
S Shanbhag
T Shortland
S Simmonds
J Skillman
N Tewari
G Walton
M A Akhtar
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J McIntyre
K Milne
M M Rashid
A Sgrò
K E Stewart
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M Aguilar Gonzalez
S Talukder
C Boyle
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K Gallagher
A Laird
D Tham
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P Patki
C Sohrabi
C Tanabalan
T Arif
C Magee
T Nambirajan
S Powell
R Vinayagam
I Flindall
A Hanson
V Mahendran
S Green
M Lim
L MacDonald
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K Sheridan
R Young
F Alam
O Griffiths
C Houlden
R Jones
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A K Lala
S Leeson
R Peevor
Z Seymour
L Chen
E Henderson
A Loehrer
K Brown
D Fleming
A Haynes
C Heron
C Hill
H Kay
E Leede
K McElhinney
K Olson
E C Osterberg
C Riley
P Srikanth
M Thornhill
D Blazer
G DiLalla
E S Hwang
W Lee
M Lidsky
J Plichta
L Rosenberger
R Scheri
K Shah
K Turnage
J Visgauss
S Zani
J Farma
J Clark
D Kwon
E Etchill
A Gabre-Kidan
H E Jenny
A Kent
M Ladd
C Long
H Malapati
A Margalit
S Rapaport
J Rose
K Stevens
L Tsai
D Vervoort
P Yesantharao
A Dehal
D Klaristenfeld
K Huynh
L Brown
I Ganly
J Mullinax
N Gusani
J Hazelton
J Maines
J S Oh
A Ssentongo
P Ssentongo
M Azam
A Choudhry
W Marx
J Fleming
A Fuson
J Gigliotti
A Ovaitt
Y Ying
M K Abel
V Andaya
K Bigay
M A Boeck
L Chen
H Chern
C Corvera
I El-sayed
A Glencer
P Ha
B C S Hamilton
C Heaton
K Hirose
D M Jablons
K Kirkwood
L Z Kornblith
J R Kratz
R Lee
P N Miller
E Nakakura
B Nunez-Garcia
R O’Donnell
D Ozgediz
P Park
B Robinson
A Sarin
B Sheu
M Varma
K Wai
R Wustrack
M J Xu
D Beswick
J Goddard
J Manor
J Song
T Fullmer
C Gaskill
N Gross
K Kiong
C L Roland
S N Zafar
M Abdallah
A Abouassi
M Almasri
G Kulkarni
H Marwan
M Mehdi
S Aoun
V S Ban
H H Batjer
J Caruso
D Abbott
A Acher
T Aiken
J Barrett
E Foley
P Schwartz
S N Zafar
A Hawkins
A Maiga
J Laufer
S Scasso
Title: Preoperative nasopharyngeal swab testing and postoperative pulmonary complications in patients undergoing elective surgery during the SARS-CoV-2 pandemic
Description:
Abstract
Background
Surgical services are preparing to scale up in areas affected by COVID-19.
This study aimed to evaluate the association between preoperative SARS-CoV-2 testing and postoperative pulmonary complications in patients undergoing elective cancer surgery.
Methods
This international cohort study included adult patients undergoing elective surgery for cancer in areas affected by SARS-CoV-2 up to 19 April 2020.
Patients suspected of SARS-CoV-2 infection before operation were excluded.
The primary outcome measure was postoperative pulmonary complications at 30 days after surgery.
Preoperative testing strategies were adjusted for confounding using mixed-effects models.
Results
Of 8784 patients (432 hospitals, 53 countries), 2303 patients (26.
2 per cent) underwent preoperative testing: 1458 (16.
6 per cent) had a swab test, 521 (5.
9 per cent) CT only, and 324 (3.
7 per cent) swab and CT.
Pulmonary complications occurred in 3.
9 per cent, whereas SARS-CoV-2 infection was confirmed in 2.
6 per cent.
After risk adjustment, having at least one negative preoperative nasopharyngeal swab test (adjusted odds ratio 0.
68, 95 per cent confidence interval 0.
68 to 0.
98; P = 0.
040) was associated with a lower rate of pulmonary complications.
Swab testing was beneficial before major surgery and in areas with a high 14-day SARS-CoV-2 case notification rate, but not before minor surgery or in low-risk areas.
To prevent one pulmonary complication, the number needed to swab test before major or minor surgery was 18 and 48 respectively in high-risk areas, and 73 and 387 in low-risk areas.
Conclusion
Preoperative nasopharyngeal swab testing was beneficial before major surgery and in high SARS-CoV-2 risk areas.
There was no proven benefit of swab testing before minor surgery in low-risk areas.
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