The Editor's Choice in today's @TheLancet is the @FalconRct.

FALCON recruited 5,788 patients across 54 hospitals in 🇧🇯🇬🇭🇮🇳🇲🇽🇳🇬🇷🇼🇿🇦

Here's the story of FALCON & its global leaders who, over past 5 years, formed strong multilateral ties & friendships.

thelancet.com/journals/lance…
The story of @FalconRct starts with the @GlobalSurg-2 cohort study.

Published in @TheLancetInfDis, this cohort study of 12,539 patients from 343 hospitals in 66 countries found that surgical site infection risk is greatest in low HDI countries.

thelancet.com/action/showPdf…
Aware of this high global burden of SSI we wanted to improve the evidence base for how to reduce SSI in low/middle income countries (LMICs).

Supported by @wellcometrust-@The_MRC-DFID, exactly 5yr ago, @GlobalSurg-2 global leads gathered in Birmingham, UK to design a global RCT!
We carefully reviewed the WHO Global Guidelines for the Prevention of Surgical Site Infection.

Through a Delphi process we selected two interventions recommended in WHO guidelines despite lack of LMIC evidence:

🔸2% alcoholic chlorhex skin prep
🔸Triclosan coated PDS sutures
Working collaborative our global collaboration of surgeons + methodologists came up with a trial to test the interventions: a 2x2 factorial trial, stratified by degree of intraoperative contamination.

Sample size ambitious!

Trial protocol @ColorectalDis: onlinelibrary.wiley.com/doi/epdf/10.11…
Recruitment to @FalconRct started in Dec 2018 at Hospital Español Veracruz in Mexico, led by Antonio Ramos-De La Medina, @ramosdelamedina.

Below is a photo of @FalconRct trial manager Rachel Lillywhite @RE_Lillywhite & Felicity Brant visiting the @MXSurg team!
In Dec 2019 Prof Stephen Tabiri (@StephenTabiri4) opened @FalconRct across multiple hospitals in Ghana, including:
🔸Tamale Teaching Hosp
🔸Sunyani Regional Hosp
🔸Komfo Anokye Teaching Hosp
🔸Sandema District Hosp

Ghana Hub Manager @BernardOforiAp1 accompanied Prof Tabiri
In India the @FalconRct was led by Dhruv Ghosh at CMC Ludhiana, with other key leads in India including @pdhaque, @rohinmittal, @philalex7, and, of course, @GlobalSurgeryI1 manager @Atul_Suroy.

9⃣ hospitals in 🇮🇳 participated

Below, @AmandeepMonika following up FALCON patients!
In Rwanda, Prof Faustin Ntirenganya (@Fostino21) led FALCON across four hospitals.

An amazing total of 902 patients were recruited in Kigali, Kibungo Referral Hospital, Ruhengeri Referral Hospital, and Kibogora Hospital.

Great contribution by JC Allen Ingabire (@ijea2000) also!
Four hospitals participated in @FalconRct across South Africa led by Rachel Moore (@ladysurgeonsa) and the South Africa Hub Manager Ncamsile Nhlabathi (@Ithandile1).

Below: Rachel receives an award at the Annual @Globalsurg 'Oscars' from @ewenharrison. @aneelbhangu in background
Ismail Lawani (@lawaniismail) worked extremely hard to get @FalconRct open in Benin.

A total of 145 patients were recruited by four hospitals in Benin.

Below: @lawaniismail receives an award at the Annual @Globalsurg 'Oscars' from @ewenharrison.
We were constantly inspired by amazing efforts of the @nihr_gsu_lhub team led by Prof Adesoji Ademuyiwa (@Soji_Ademuyiwa) at Lagos University Teaching Hospital.

Prof Ademuyiwa led a collaboration of DOZEN hospitals all across Nigeria!

Together they recruited 2⃣1⃣6⃣5⃣ patients!
A special mention for Adewale Adisa (@AdewaleAdisa1), @nihr_gsu_lhub Deputy Hub Lead.

At Obafemi Awolowo University Teaching Hospitals Complex Wale recruited 6⃣3⃣9⃣ patients to @FalconRct! Stunning!!

Below: @AdewaleAdisa1 randomising his first patient!

@CatrionaLaing1
Massive efforts also by the @BhamCTU & @NIHR_GSU teams in Birmingham: Trial Managers Rachel Lillywhite (@RE_Lillywhite) & Donna Smith (@smith_dz6); Laura Magill; Felicity Brandt; Sohini Chakrabortee (@SohiniChakrab); statistician Omar Omar (@OmarMOmar15)

@kt2morris
Also in Birmingham were Professor Dion Morton & Professor Peter Brocklehurst (@brocklehurst_p), @NIHR_GSU directors who constantly unblocked problems and moved things forward.

Many others contributed to @FalconRct over the years- everyone is credited in authorship!
Last mention to my best friends @aneelbhangu & @DrJamesGlasbey who I've been lucky to work with over many years now.

James and I learnt massively from Aneel as he led the FALCON from conception to publication.

Photos from Nov 2017 when FALCON protocol was still being finalised!
So, exactly 5 years on since @FalconRct collaborators first met (6 Nov 2016), what have we achieved?

1. FALCON @TheLancet results should change WHO guidance; 2% alcoholic chlorhex & triclosan coated PDS do NOT reduce SSI (=health system cost savings)

thelancet.com/journals/lance…
2. @NIHR_GSU has matured in to a stable platform for delivery of high quality global surgical trials that inform global practice.

Two other trials @CheetahRct & @PenguinRct well under way, with more trials in the pipeline - all co-developed & co-led by global teams.
3. Arising from the initial contacts made through the @FalconRct collaboration, extensive South-South & South-North collaborations have developed across a wide range of research, education, and service development initiatives. This enriches everyone.

4. The importance of investment by @NIHRresearch in strong global collaborations and robust research infrastructure was demonstrated by @NIHR_GSU's rapid launch of @CovidSurg.

@NIHRcommunity have highlighted @CovidSurg as a key pillar of its global response to COVID.
5. More broadly, @NIHR_GSU exemplified power of global collaboration to effectively tackle common challenges - whether that's postoperative complications like wound infection or pneumonia, or impact of COVID

I hope @NIHRresearch & @LucyChappell2 continue supporting global work.

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More from @dnepo

5 Nov
The @CovidSurg Week study found surgery should be delayed ≥7 weeks following SARS-CoV-2 infection.

Frequent Qs about this finding:
1⃣Applicability to children
…-publications.onlinelibrary.wiley.com/doi/epdf/10.11…
2⃣Global applicability
…-publications.onlinelibrary.wiley.com/doi/epdf/10.11…

We've addressed these Qs in @Anaes_Journal.
We pooled 30-day postop mortality children from @CovidSurg cohort study (Feb-July 2020) & @CovidSurg Week (Oct 2020).

Periop (7 days preop to 30 days postop) SARS-CoV-2:
2⃣.8⃣% (11/393) mortality

Preop (>7 days preop) SARS-CoV-2:
0⃣% (0/97) mortality

…-publications.onlinelibrary.wiley.com/doi/epdf/10.11…
Looking at just @CovidSurg Week data

Children with SARS- CoV-2 (any timing)
Postop mortality: 0% (0/207)
Postop pulmonary complications (PPC): 0.5% (10/207).

Children who did not have SARS-CoV-2
Mortality: 0.9% (125/13,616)
PPC: 2.0% (267/13,418)

…-publications.onlinelibrary.wiley.com/doi/epdf/10.11…
Read 5 tweets
1 Jul
So this is an example of how Impact Factor may not always tell the full story.

Reminder - 2021 impact factor is calculated as:

Denominator: articles published in 2018-19

Numerator: citations to those denominator articles, published in 2019-21

So what's happened at IJS?
In the IJS impact factor calculation, two articles in the denominator account for 37.5% (1342/3582) of all citations.

No other articles captured in the denominator received >25 citations.

Excluding those top two articles would drop IJS IF from 6.1 to 3⃣.8⃣ (2240/588).
What's the issue with including those top two articles in IJS impact factor calculation?

Well, take a look citations to the SCARE 2018 Statement.

Web of Science currently lists 1,804 citations for SCARE 2018... of these 97.7% (1762/1804) were from IJS Publishing Group journals
Read 7 tweets
29 Jun
Interesting article on the future of selection for surgical training by @J_Hardie, @BrennanSurgeon & co.

They don't make the point exactly but I think we need to move from differentiating candidates based on knowledge/ tick boxes of achievement, to testing aptitude & attitudes.
Clearly someone entering ST3 surgery can be expected to have a baseline of knowledge, skills, and experience. This should form the essential criteria. But I'm not sure it is useful to differentiate based on number of hernias done or posters presented so long as a minimum met.
1. How much people have achieved to date partly reflects the opportunities they have had in previous posts and this can depend on both luck and life circumstances.

2. Purpose of the training programme is... to train people. No advantage to recruiting someone very experienced.
Read 5 tweets
30 May 20
It's great to see so much interest in @CovidSurg's first paper in @TheLancet.

This paper was only possible because of the enthusiasm & pooled effort of hundreds of people around the world.

@aneelbhangu & I would like to highlight some key groups

🔗thelancet.com/action/showPdf…
[1/7] Image
Firstly, the Operations Committee. They have worked long days on @CovidSurg: setting up/ running REDCap databases, maintaining communications, chasing up data queries, and many, many other tasks.

The Ops Committee range from medical students to senior surgical trainees.

[2/7] Image
The Dissemination Committee are at the heart of @CovidSurg. They are the national leaders who have spearheaded the set up of the study around the world and the dissemination of its results. They've worked tirelessly to maximise the study's impact.

🔗thelancet.com/action/showPdf…
[3/7] Image
Read 7 tweets

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