John Varallo

Affiliations

Safe Surgery 2020 Project, Plot No. 72, Block 45 B Victoria Area, New Bagamoyo Road, Jhpiego, Dar es Salaam, Tanzania.

Publications (18)

Outcomes of a multicomponent safe surgery intervention in Tanzania's Lake Zone: a prospective, longitudinal study.

International journal for quality in health care : journal of the International Society for Quality in Health Care

Avec: Shehnaz Alidina , Gopal Menon , Steven J Staffa , Sakshie Alreja , David Barash , Erin Barringer , Monica Cainer , Isabelle Citron , Amanda DiMeo , Edwin Ernest , Laura Fitzgerald , Hiba Ghandour , Magdalena Gruendl , Audustino Hellar , Desmond T Jumbam , Adam Katoto , Lauren Kelly , Steve Kisakye , Salome Kuchukhidze , Tenzing Lama , William Lodge Ii , Erastus Maina , Fabian Massaga , Adelina Mazhiqi , John G Meara , Stella Mshana , Ian Nason , Chase Reynolds , Cheri Reynolds , Hannington Segirinya , Dorcas Simba , Victoria Smith , Christopher Strader , Meaghan Sydlowski , Leopold Tibyehabwa , Florian Tinuga , Alena Troxel , Mpoki Ulisubisya , John Varallo , Taylor Wurdeman , Noor Zanial , David Zurakowski , Ntuli Kapologwe , Sarah Maongezi

A Team-Based Approach to Introduce and Sustain the Use of the WHO Surgical Safety Checklist in Tanzania.

World journal of surgery

Avec: Augustino Hellar , Leopold Tibyehabwa , Edwin Ernest , John Varallo , Margaret Mary Betram , Laura Fitzgerald , Geofrey Giiti , Albert Kihundrwa , Ntuli Kapologwe , Mary Drake , Jeremie Zoungrana , Alena Troxel , Ruth Lemwayi , Shehnaz Alidina , Sarah Maongezi , Ahmad Makuwani , John Varallo

Surgical Safety Checklist Use and Post-Caesarean Sepsis in the Lake Zone of Tanzania: Results from Safe Surgery 2020.

World journal of surgery

Avec: Taylor Wurdeman , Steven J Staffa , David Barash , Ladislaus Buberwa , Eliudi Eliakimu , Erastus Maina , Sarah Maongezi , John G Meara , William Munyonyela , Rahma Mushi , Cheri Reynolds , Christopher Strader , John Varallo , Leonard Washington , David Zurakowski , Shehnaz Alidina , Ntuli A Kapologwe

Building safe surgery knowledge and capacity in Cambodia: a mixed-methods evaluation of an innovative training and mentorship intervention.

Global health action

Avec: Sehrish Bari , Joseph Incorvia , Olivia Ahearn , Lem Dara , Swati Sharma , John Varallo , Victoria Smith , Monica Cainer , Cheav Samphy , Kith Rathamony , Ngin Kanora , Vithiea Dara , John G Meara , Virya Koy , Shehnaz Alidina

Compliance with the World Health Organization's surgical safety checklist and related postoperative outcomes: a nationwide survey among 172 health facilities in Ethiopia.

Patient safety in surgery

Avec: Manuel Kassaye Sibhatu , Desalegn Bekele Taye , Senedu Bekele Gebreegziabher , Edlawit Mesfin , Hassen Mohammed Bashir , John Varallo

Strategies for optimising early detection and obstetric first response management of postpartum haemorrhage at caesarean birth: a modified Delphi-based international expert consensus.

BMJ open

Avec: Verónica Pingray , Caitlin R Williams , Fadhlun M Alwy Al-Beity , Edgardo Abalos , Sabaratnam Arulkumaran , Alejandro Blumenfeld , Brendan Carvalho , Catherine Deneux-Tharaux , Soo Downe , Alexandre Dumont , Maria Fernanda Escobar , Cherrie Evans , Sue Fawcus , Hadiza S Galadanci , Diem-Tuyet Thi Hoang , G Justus Hofmeyr , Caroline Homer , Ayodele G Lewis , Tippawan Liabsuetrakul , Pisake Lumbiganon , Elliott K Main , Judith Maua , Francis G Muriithi , Ashraf Fawzy Nabhan , Inês Nunes , Vanesa Ortega , Thuan N Q Phan , Zahida P Qureshi , Claudio Sosa , John Varallo , Andrew D Weeks , Mariana Widmer , Olufemi T Oladapo , Ioannis Gallos , Arri Coomarasamy , Suellen Miller , Fernando Althabe

Assessing completeness of patient medical records of surgical and obstetric patients in Northern Tanzania.

Global health action

Avec: William Lodge , Gopal Menon , Salome Kuchukhidze , Desmond T Jumbam , Sarah Maongezi , Shehnaz Alidina , Boniface Nguhuni , Ntuli A Kapologwe , John Varallo

Improving surgical safety checklist utilisation at 23 public health facilities in Ethiopia: a collaborative quality improvement project.

BMJ open quality

Avec: Dawit Yifru Bete , Manuel Kassaye Sibhatu , Melaku Gebremichael Godebo , Ilili Jemal Abdulahi , Tewodros Worku Liyew , Seye Mesfin Minas , Emily Bryce , Tigistu Adamu Ashengo , John Varallo

Improving access to safe, quality surgical care for gynecologic cancers through capacity-building interventions in low- and middle-income countries: A scoping review.

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics

Avec: Sarah K Hill , Nefti Bempong-Ahun , Isioma Dianne Okolo , Amber Trujillo Lalla , Dawit Worku , Tadios Asres , Lisa Philpotts , Parisa N Fallah , John Varallo , Scott Corlew , Paul Kamfwa , Groesbeck P Parham , Michael L Hicks , Geoffrey Ibbotson , Thomas Randall

Mentoring approaches in a safe surgery program in Tanzania: Lessons learned during COVID-19 and recommendations for the future.

Surgery open science

Avec: Laura Fitzgerald , Leopold Tibyehabwa , John Varallo , Edwin Ernest , Anmol Patted , Margaret Mary Bertram , Shehnaz Alidina , Stella Mshana , Adam Katoto , Dorcas Simba , Kevin Charles , Victoria Smith , Monica Cainer , Augustino Hellar

Impact of time from discharge to readmission on outcomes: an observational study from the US National Readmission Database.

BMJ open

Avec: Jean-Sebastien Rachoin , Krystal Hunter , Jennifer Varallo , Elizabeth Cerceo

Reducing surgical site infections and mortality among obstetric surgical patients in Tanzania: a pre-evaluation and postevaluation of a multicomponent safe surgery intervention.

BMJ global health

Avec: Edwin Charles Ernest , Augustino Hellar , John Varallo , Leopold Tibyehabwa , Margaret Mary Bertram , Laura Fitzgerald , Adam Katoto , Stella Mshana , Dorcas Simba , Kelvin Gwitaba , Rohini Boddu , Shehnaz Alidina , Geofrey Giiti , Albert Kihunrwa , Belinda Balandya , David Urassa , Yahya Hussein , Caroline Damien , Brendan Wackenreuter , David Barash , Melissa Morrison , Cheri Reynolds , Alice Christensen , Ahmed Makuwani

Improving surgical quality in low-income and middle-income countries: why do some health facilities perform better than others?

BMJ quality & safety

Avec: Shehnaz Alidina , Pritha Chatterjee , Noor Zanial , Sakshie Sanjay Alreja , Rebecca Balira , David Barash , Edwin Ernest , Geofrey Charles Giiti , Erastus Maina , Adelina Mazhiqi , Rahma Mushi , Cheri Reynolds , Meaghan Sydlowski , Florian Tinuga , Sarah Maongezi , John G Meara , Ntuli A Kapologwe , Erin Barringer , Monica Cainer , Isabelle Citron , Amanda DiMeo , Laura Fitzgerald , Hiba Ghandour , Magdalena Gruendl , Augustino Hellar , Desmond T Jumbam , Adam Katoto , Lauren Kelly , Steve Kisakye , Salome Kuchukhidze , Tenzing N Lama , Gopal Menon , Stella Mshana , Chase Reynolds , Hannington Segirinya , Dorcas Simba , Victoria Smith , Steven J Staffa , Christopher Strader , Leopold Tibyehabwa , Alena Troxel , John Varallo , Taylor Wurdeman , David Zurakowski

Surgical referrals in Northern Tanzania: a prospective assessment of rates, preventability, reasons and patterns.

BMC health services research

Avec: Desmond T Jumbam , Gopal Menon , Tenzing N Lama , William Lodge Ii , Sarah Maongezi , Ntuli A Kapologwe , Isabelle Citron , David Barash , John Varallo , Erin Barringer , Monica Cainer , Mpoki Ulisubisya , Shehnaz Alidina , Boniface Nguhuni

A multimodal mentorship intervention to improve surgical quality in Tanzania's Lake Zone: a convergent, mixed methods assessment.

Human resources for health

Avec: Shehnaz Alidina , Leopold Tibyehabwa , Sakshie Sanjay Alreja , David Barash , Danta Bien-Aime , Monica Cainer , Kevin Charles , Edwin Ernest , Joachim Eyembe , Laura Fitzgerald , Geofrey C Giiti , Augustino Hellar , Yahaya Hussein , Furaha Kahindo , Benard Kenemo , Albert Kihunrwa , Steve Kisakye , Innocent Kissima , John G Meara , Cheri Reynolds , Steven J Staffa , Meaghan Sydlowski , John Varallo , Noor Zanial , Ntuli A Kapologwe , Caroline Damian Mayengo

In-Hospital Postoperative Mortality Rates for Selected Procedures in Tanzania's Lake Zone.

World journal of surgery

Avec: Taylor Wurdeman , Christopher Strader , Shehnaz Alidina , David Barash , Isabelle Citron , Ntuli Kapologwe , Erastus Maina , Fabian Massaga , Adelina Mazhiqi , John G Meara , Gopal Menon , Cheri Reynolds , Meaghan Sydlowski , John Varallo , Sarah Maongezi , Mpoki Ulisubisya

A research agenda to improve incidence and outcomes of assisted vaginal birth.

Bulletin of the World Health Organization

Avec: Ana Pilar Betrán , Maria Regina Torloni , Fernando Althabe , Elena Altieri , Sabaratnam Arulkumaran , Fatema Ashraf , Patricia Bailey , Mercedes Bonet , Maurice Bucagu , Emma Clark , Nasrin Changizi , Robyn Churchill , Sunday Dominico , Soo Downe , Tim Draycott , Arfang Faye , Claire Feeley , Diederike Geelhoed , Atf Gherissi , Karima Gholbzouri , Gagan Grupta , Tedbabe Degefie Hailegebriel , Claudia Hanson , Katharina Hartmann , Lubna Hassan , George Justus Hofmeyr , Anoma Chandani Jayathilaka , Charles Kabore , Nancy Kidula , Carol Kingdon , Oleg Kuzmenko , Pisake Lumbiganon , Glen Dl Mola , Allisyn Moran , Bremen de Muncio , Barbara Nolens , Newton Opiyo , Robert C Pattinson , Mariana Romero , Jos van Roosmalen , Monica M Siaulys , Jose Simon Camelo , Jeffrey Smith , Howard L Sobel , Soha Sobhy , Claudio Sosa , Joao Paulo Souza , Petra Ten Hoope-Bender , Shakila Thangaratinam , John Varallo , Alison Wright , Ann Yates , Olufemi O Oladapo

What could improve surgical data system at health facilities with high surgical volume in Ethiopia?

BMC health services research

Avec: Melaku Godebo , Dawit Bete , Seye Minass , Tewodros Liyew , Ftalew Gebreyesus , Emily Bryce , John Varallo , Tigistu Ashengo

Réseau de co-auteurs

Shehnaz Alidina 11 collaborations

David Barash 7 collaborations

Sarah Maongezi 7 collaborations

Monica Cainer 6 collaborations

Laura Fitzgerald 6 collaborations

John G Meara 6 collaborations

Cheri Reynolds 6 collaborations

Leopold Tibyehabwa 6 collaborations

Gopal Menon 5 collaborations

Edwin Ernest 5 collaborations

Augustino Hellar 5 collaborations

Ntuli A Kapologwe 5 collaborations

Steven J Staffa 4 collaborations

Isabelle Citron 4 collaborations

Desmond T Jumbam 4 collaborations

Adam Katoto 4 collaborations

Erastus Maina 4 collaborations

Stella Mshana 4 collaborations

Dorcas Simba 4 collaborations

Victoria Smith 4 collaborations

Christopher Strader 4 collaborations

Meaghan Sydlowski 4 collaborations

Taylor Wurdeman 4 collaborations

Erin Barringer 3 collaborations

Steve Kisakye 3 collaborations

Salome Kuchukhidze 3 collaborations

Adelina Mazhiqi 3 collaborations

Alena Troxel 3 collaborations

Mpoki Ulisubisya 3 collaborations

Noor Zanial 3 collaborations

David Zurakowski 3 collaborations

Ntuli Kapologwe 3 collaborations

Amanda DiMeo 2 collaborations

Hiba Ghandour 2 collaborations

Magdalena Gruendl 2 collaborations

Lauren Kelly 2 collaborations

William Lodge Ii 2 collaborations

Fabian Massaga 2 collaborations

Chase Reynolds 2 collaborations

Hannington Segirinya 2 collaborations

Florian Tinuga 2 collaborations

Geofrey Giiti 2 collaborations

Rahma Mushi 2 collaborations

Manuel Kassaye Sibhatu 2 collaborations

Sabaratnam Arulkumaran 2 collaborations

Soo Downe 2 collaborations

Pisake Lumbiganon 2 collaborations

Claudio Sosa 2 collaborations

Fernando Althabe 2 collaborations

Boniface Nguhuni 2 collaborations

Emily Bryce 2 collaborations

Margaret Mary Bertram 2 collaborations

Kevin Charles 2 collaborations

Albert Kihunrwa 2 collaborations

Sakshie Sanjay Alreja 2 collaborations

Tenzing N Lama 2 collaborations

Sakshie Alreja 1 collaboration

Audustino Hellar 1 collaboration

Tenzing Lama 1 collaboration

Ian Nason 1 collaboration

Margaret Mary Betram 1 collaboration

Albert Kihundrwa 1 collaboration

Mary Drake 1 collaboration

Jeremie Zoungrana 1 collaboration

Ruth Lemwayi 1 collaboration

Ahmad Makuwani 1 collaboration

Ladislaus Buberwa 1 collaboration

Eliudi Eliakimu 1 collaboration

William Munyonyela 1 collaboration

Leonard Washington 1 collaboration

Sehrish Bari 1 collaboration

Joseph Incorvia 1 collaboration

Olivia Ahearn 1 collaboration

Lem Dara 1 collaboration

Swati Sharma 1 collaboration

Cheav Samphy 1 collaboration

Kith Rathamony 1 collaboration

Ngin Kanora 1 collaboration

Vithiea Dara 1 collaboration

Virya Koy 1 collaboration

Desalegn Bekele Taye 1 collaboration

Senedu Bekele Gebreegziabher 1 collaboration

Edlawit Mesfin 1 collaboration

Hassen Mohammed Bashir 1 collaboration

Verónica Pingray 1 collaboration

Caitlin R Williams 1 collaboration

Fadhlun M Alwy Al-Beity 1 collaboration

Edgardo Abalos 1 collaboration

Alejandro Blumenfeld 1 collaboration

Brendan Carvalho 1 collaboration

Catherine Deneux-Tharaux 1 collaboration

Alexandre Dumont 1 collaboration

Maria Fernanda Escobar 1 collaboration

Cherrie Evans 1 collaboration

Sue Fawcus 1 collaboration

Hadiza S Galadanci 1 collaboration

Diem-Tuyet Thi Hoang 1 collaboration

G Justus Hofmeyr 1 collaboration

Caroline Homer 1 collaboration

Ayodele G Lewis 1 collaboration

Tippawan Liabsuetrakul 1 collaboration

Elliott K Main 1 collaboration

Judith Maua 1 collaboration

Francis G Muriithi 1 collaboration

Ashraf Fawzy Nabhan 1 collaboration

Inês Nunes 1 collaboration

Vanesa Ortega 1 collaboration

Thuan N Q Phan 1 collaboration

Zahida P Qureshi 1 collaboration

Andrew D Weeks 1 collaboration

Mariana Widmer 1 collaboration

Olufemi T Oladapo 1 collaboration

Ioannis Gallos 1 collaboration

Arri Coomarasamy 1 collaboration

Suellen Miller 1 collaboration

William Lodge 1 collaboration

Dawit Yifru Bete 1 collaboration

Melaku Gebremichael Godebo 1 collaboration

Ilili Jemal Abdulahi 1 collaboration

Tewodros Worku Liyew 1 collaboration

Seye Mesfin Minas 1 collaboration

Tigistu Adamu Ashengo 1 collaboration

Sarah K Hill 1 collaboration

Nefti Bempong-Ahun 1 collaboration

Isioma Dianne Okolo 1 collaboration

Amber Trujillo Lalla 1 collaboration

Dawit Worku 1 collaboration

Tadios Asres 1 collaboration

Lisa Philpotts 1 collaboration

Parisa N Fallah 1 collaboration

Scott Corlew 1 collaboration

Paul Kamfwa 1 collaboration

Groesbeck P Parham 1 collaboration

Michael L Hicks 1 collaboration

Geoffrey Ibbotson 1 collaboration

Thomas Randall 1 collaboration

Anmol Patted 1 collaboration

Jean-Sebastien Rachoin 1 collaboration

Krystal Hunter 1 collaboration

Jennifer Varallo 1 collaboration

Elizabeth Cerceo 1 collaboration

Edwin Charles Ernest 1 collaboration

Kelvin Gwitaba 1 collaboration

Rohini Boddu 1 collaboration

Belinda Balandya 1 collaboration

David Urassa 1 collaboration

Yahya Hussein 1 collaboration

Caroline Damien 1 collaboration

Brendan Wackenreuter 1 collaboration

Melissa Morrison 1 collaboration

Alice Christensen 1 collaboration

Ahmed Makuwani 1 collaboration

Pritha Chatterjee 1 collaboration

Rebecca Balira 1 collaboration

Geofrey Charles Giiti 1 collaboration

Danta Bien-Aime 1 collaboration

Joachim Eyembe 1 collaboration

Geofrey C Giiti 1 collaboration

Yahaya Hussein 1 collaboration

Furaha Kahindo 1 collaboration

Benard Kenemo 1 collaboration

Innocent Kissima 1 collaboration

Caroline Damian Mayengo 1 collaboration

Ana Pilar Betrán 1 collaboration

Maria Regina Torloni 1 collaboration

Elena Altieri 1 collaboration

Fatema Ashraf 1 collaboration

Patricia Bailey 1 collaboration

Mercedes Bonet 1 collaboration

Maurice Bucagu 1 collaboration

Emma Clark 1 collaboration

Nasrin Changizi 1 collaboration

Robyn Churchill 1 collaboration

Sunday Dominico 1 collaboration

Tim Draycott 1 collaboration

Arfang Faye 1 collaboration

Claire Feeley 1 collaboration

Diederike Geelhoed 1 collaboration

Atf Gherissi 1 collaboration

Karima Gholbzouri 1 collaboration

Gagan Grupta 1 collaboration

Tedbabe Degefie Hailegebriel 1 collaboration

Claudia Hanson 1 collaboration

Katharina Hartmann 1 collaboration

Lubna Hassan 1 collaboration

George Justus Hofmeyr 1 collaboration

Anoma Chandani Jayathilaka 1 collaboration

Charles Kabore 1 collaboration

Nancy Kidula 1 collaboration

Carol Kingdon 1 collaboration

Oleg Kuzmenko 1 collaboration

Glen Dl Mola 1 collaboration

Allisyn Moran 1 collaboration

Bremen de Muncio 1 collaboration

Barbara Nolens 1 collaboration

Newton Opiyo 1 collaboration

Robert C Pattinson 1 collaboration

Mariana Romero 1 collaboration

Jos van Roosmalen 1 collaboration

Monica M Siaulys 1 collaboration

Jose Simon Camelo 1 collaboration

Jeffrey Smith 1 collaboration

Howard L Sobel 1 collaboration

Soha Sobhy 1 collaboration

Joao Paulo Souza 1 collaboration

Petra Ten Hoope-Bender 1 collaboration

Shakila Thangaratinam 1 collaboration

Alison Wright 1 collaboration

Ann Yates 1 collaboration

Olufemi O Oladapo 1 collaboration

Melaku Godebo 1 collaboration

Dawit Bete 1 collaboration

Seye Minass 1 collaboration

Tewodros Liyew 1 collaboration

Ftalew Gebreyesus 1 collaboration

Tigistu Ashengo 1 collaboration