A S Karat

Affiliations

TB Centre, London School of Hygiene & Tropical Medicine, London, UK.

Publications (25)

Health system determinants of tuberculosis mortality in South Africa: a causal loop model.

BMC health services research

Avec: Muhammad Osman , Aaron S Karat , Munira Khan , Sue-Ann Meehan , Arne von Delft , Zameer Brey , Salome Charalambous , Anneke C Hesseling , Pren Naidoo , Marian Loveday

Relational Dynamics of Treatment Behavior Among Individuals with Tuberculosis in High-Income Countries: A Scoping Review.

Patient preference and adherence

Avec: Stella Arakelyan , Aaron S Karat , Annie S K Jones , Nicole Vidal , Helen R Stagg , Marcia Darvell , Robert Horne , Marc C I Lipman , Karina Kielmann

Estimating the contribution of transmission in primary healthcare clinics to community-wide TB disease incidence, and the impact of infection prevention and control interventions, in KwaZulu-Natal, South Africa.

BMJ global health

Avec: Nicky McCreesh , Aaron S Karat , Indira Govender , Kathy Baisley , Karin Diaconu , Tom A Yates , Rein Mgj Houben , Karina Kielmann , Alison D Grant , Richard White

Evidence for the Use of Triage, Respiratory Isolation, and Effective Treatment to Reduce the Transmission of Mycobacterium Tuberculosis in Healthcare Settings: A Systematic Review.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Avec: Aaron S Karat , Meghann Gregg , Hannah E Barton , Maria Calderon , Jayne Ellis , Jane Falconer , Indira Govender , Rebecca C Harris , Mpho Tlali , David A J Moore , Katherine L Fielding

Prevalence and Risk Factors for

Open forum infectious diseases

Avec: Themba Mzembe , Richard Lessells , Aaron S Karat , Safiyya Randera-Rees , Anita Edwards , Palwasha Khan , Andrew Tomita , Frank Tanser , Kathy Baisley , Alison D Grant

Estimating ventilation rates in rooms with varying occupancy levels: Relevance for reducing transmission risk of airborne pathogens.

PloS one

Avec: Arminder K Deol , Danny Scarponi , Peter Beckwith , Tom A Yates , Aaron S Karat , Ada W C Yan , Kathy S Baisley , Alison D Grant , Richard G White , Nicky McCreesh

Lessons learnt conducting minimally invasive autopsies in private mortuaries as part of HIV and tuberculosis research in South Africa.

Public health action

Avec: T Omar , M Tlali , S Charalambous , V N Chihota , G J Churchyard , K L Fielding , N A Martinson , K M McCarthy , A D Grant

Prevalence of Mycobacterium tuberculosis in Sputum and Reported Symptoms Among Clinic Attendees Compared With a Community Survey in Rural South Africa.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Avec: Indira Govender , Aaron S Karat , Stephen Olivier , Kathy Baisley , Peter Beckwith , Njabulo Dayi , Jaco Dreyer , Dickman Gareta , Resign Gunda , Karina Kielmann , Olivier Koole , Ngcebo Mhlongo , Tshwaraganang Modise , Sashen Moodley , Xolile Mpofana , Thumbi Ndung'u , Deenan Pillay , Mark J Siedner , Theresa Smit , Ashmika Surujdeen , Emily B Wong , Alison D Grant

All nonadherence is equal but is some more equal than others? Tuberculosis in the digital era.

ERJ open research

Avec: Helen R Stagg , Mary Flook , Antal Martinecz , Karina Kielmann , Pia Abel Zur Wiesch , Aaron S Karat , Marc C I Lipman , Derek J Sloan , Elizabeth F Walker , Katherine L Fielding

Dynamics of sputum conversion during effective tuberculosis treatment: A systematic review and meta-analysis.

PLoS medicine

Avec: Claire J Calderwood , James P Wilson , Katherine L Fielding , Rebecca C Harris , Aaron S Karat , Raoul Mansukhani , Jane Falconer , Malin Bergstrom , Sarah M Johnson , Nicky McCreesh , Edward J M Monk , Jasantha Odayar , Peter J Scott , Sarah A Stokes , Hannah Theodorou , David A J Moore

Direct estimates of absolute ventilation and estimated Mycobacterium tuberculosis transmission risk in clinics in South Africa.

PLOS global public health

Avec: Peter G Beckwith , Aaron S Karat , Indira Govender , Arminder K Deol , Nicky McCreesh , Karina Kielmann , Kathy Baisley , Alison D Grant , Tom A Yates

Algorithm-guided empirical tuberculosis treatment for people with advanced HIV (TB Fast Track): an open-label, cluster-randomised trial.

The lancet. HIV

Avec: Alison D Grant , Salome Charalambous , Mpho Tlali , Aaron S Karat , Susan E Dorman , Christopher J Hoffmann , Suzanne Johnson , Anna Vassall , Gavin J Churchyard , Katherine L Fielding

A position statement and practical guide to the use of particulate filtering facepiece respirators (N95, FFP2, or equivalent) for South African health workers exposed to respiratory pathogens including

African journal of thoracic and critical care medicine

Avec: K Dheda , S Charalambous , A von Delft , U G Lalloo , R van Zyl Smit , R Perumal , B W Allwood , A Esmail , M L Wong , A G Duse , G Richards , C Feldman , M Mer , K Nyamande , U Lalla , C F N Koegelenberg , F Venter , H Dawood , S Adams , N A B Ntusi , H-M van der Westhuizen , M-Y S Moosa , N A Martinson , H Moultrie , J Nel , H Hausler , W Preiser , L Lasersohn , H J Zar , G J Churchyard

Causes and Outcomes of Admission and Investigation of Tuberculosis in Adults with Advanced HIV in South African Hospitals: Data from the TB Fast Track Trial.

The American journal of tropical medicine and hygiene

Avec: Peter G Beckwith , Mpho Tlali , Salome Charalambous , Gavin J Churchyard , Katherine L Fielding , Christopher J Hoffmann , Suzanne Johnson , Natalie Wood , Alison D Grant , Aaron S Karat

Risk Factors for Hospitalization or Death Among Adults With Advanced HIV at Enrollment for Care in South Africa: A Secondary Analysis of the TB Fast Track Trial.

Open forum infectious diseases

Avec: Claire J Calderwood , Mpho Tlali , Aaron S Karat , Christopher J Hoffmann , Salome Charalambous , Suzanne Johnson , Alison D Grant , Katherine L Fielding

High sensitivity of ultrasound for the diagnosis of tuberculosis in adults in South Africa: A proof-of-concept study.

PLOS global public health

Avec: Matthew Fentress , Patricia C Henwood , Priya Maharaj , Mohammed Mitha , Dilshaad Khan , Philip Caligiuri , Aaron S Karat , Stephen Olivier , Anita Edwards , Dirhona Ramjit , Nokwanda Ngcobo , Emily B Wong , Alison D Grant

Estimating waiting times, patient flow, and waiting room occupancy density as part of tuberculosis infection prevention and control research in South African primary health care clinics.

PLOS global public health

Avec: Aaron S Karat , Nicky McCreesh , Kathy Baisley , Indira Govender , Idriss I Kallon , Karina Kielmann , Hayley MacGregor , Anna Vassall , Tom A Yates , Alison D Grant

Time to change the way we think about tuberculosis infection prevention and control in health facilities: insights from recent research.

Antimicrobial stewardship & healthcare epidemiology : ASHE

Avec: Tom A Yates , Aaron S Karat , Fiammetta Bozzani , Nicky McCreesh , Hayley MacGregor , Peter G Beckwith , Indira Govender , Christopher J Colvin , Karina Kielmann , Alison D Grant

Burden of tuberculosis in underserved populations in South Africa: A systematic review and meta-analysis.

PLOS global public health

Avec: Lydia M L Holtgrewe , Ann Johnson , Kate Nyhan , Jody Boffa , Sheela V Shenoi , Aaron S Karat , J Lucian Davis , Salome Charalambous

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Journal of clinical tuberculosis and other mycobacterial diseases

Avec: Aaron S Karat , Annie S K Jones , Ibrahim Abubakar , Colin N J Campbell , Amy L Clarke , Caroline S Clarke , Marcia Darvell , Adam T Hill , Robert Horne , Heinke Kunst , Mike Mandelbaum , Ben G Marshall , Ceri McSparron , Ananna Rahman , Helen R Stagg , Jacqui White , Marc C I Lipman , Karina Kielmann

Cryptococcal-related Mortality Despite Fluconazole Preemptive Treatment in a Cryptococcal Antigen Screen-and-Treat Program.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America

Avec: Rachel M Wake , Nelesh P Govender , Tanvier Omar , Carolina Nel , Ahmad Haeri Mazanderani , Aaron S Karat , Nazir A Ismail , Caroline T Tiemessen , Joseph N Jarvis , Thomas S Harrison

Sensitivity of the lateral flow urine lipoarabinomannan assay in ambulant adults with advanced HIV disease: data from the TB Fast Track study.

Transactions of the Royal Society of Tropical Medicine and Hygiene

Avec: Mpho Tlali , Katherine L Fielding , Aaron S Karat , Christopher J Hoffmann , Tshifhiwa Muravha , Alison D Grant , Salome Charalambous

Tuberculosis infection prevention and control: why we need a whole systems approach.

Infectious diseases of poverty

Avec: Karina Kielmann , Aaron S Karat , Gimenne Zwama , Christopher Colvin , Alison Swartz , Anna S Voce , Tom A Yates , Hayley MacGregor , Nicky McCreesh , Idriss Kallon , Anna Vassall , Indira Govender , Janet Seeley , Alison D Grant

Modelling the effect of infection prevention and control measures on rate of

BMJ global health

Avec: Nicky McCreesh , Aaron S Karat , Kathy Baisley , Karin Diaconu , Fiammetta Bozzani , Indira Govender , Peter Beckwith , Tom A Yates , Arminder K Deol , Rein M G J Houben , Karina Kielmann , Richard G White , Alison D Grant

Using system dynamics modelling to estimate the costs of relaxing health system constraints: a case study of tuberculosis prevention and control interventions in South Africa.

Health policy and planning

Avec: Fiammetta M Bozzani , Karin Diaconu , Gabriela B Gomez , Aaron S Karat , Karina Kielmann , Alison D Grant , Anna Vassall

Réseau de co-auteurs

Aaron S Karat 23 collaborations

Alison D Grant 15 collaborations

Karina Kielmann 11 collaborations

Nicky McCreesh 8 collaborations

Indira Govender 8 collaborations

Tom A Yates 7 collaborations

Katherine L Fielding 7 collaborations

Salome Charalambous 6 collaborations

Kathy Baisley 6 collaborations

Mpho Tlali 5 collaborations

Christopher J Hoffmann 4 collaborations

Anna Vassall 4 collaborations

Helen R Stagg 3 collaborations

Marc C I Lipman 3 collaborations

Karin Diaconu 3 collaborations

Arminder K Deol 3 collaborations

Peter Beckwith 3 collaborations

Peter G Beckwith 3 collaborations

Suzanne Johnson 3 collaborations

Hayley MacGregor 3 collaborations

Annie S K Jones 2 collaborations

Marcia Darvell 2 collaborations

Robert Horne 2 collaborations

Jane Falconer 2 collaborations

Rebecca C Harris 2 collaborations

David A J Moore 2 collaborations

Anita Edwards 2 collaborations

Richard G White 2 collaborations

S Charalambous 2 collaborations

G J Churchyard 2 collaborations

N A Martinson 2 collaborations

Stephen Olivier 2 collaborations

Emily B Wong 2 collaborations

Claire J Calderwood 2 collaborations

Gavin J Churchyard 2 collaborations

Fiammetta Bozzani 2 collaborations

Muhammad Osman 1 collaboration

Munira Khan 1 collaboration

Sue-Ann Meehan 1 collaboration

Arne von Delft 1 collaboration

Zameer Brey 1 collaboration

Anneke C Hesseling 1 collaboration

Pren Naidoo 1 collaboration

Marian Loveday 1 collaboration

Stella Arakelyan 1 collaboration

Nicole Vidal 1 collaboration

Rein Mgj Houben 1 collaboration

Richard White 1 collaboration

Meghann Gregg 1 collaboration

Hannah E Barton 1 collaboration

Maria Calderon 1 collaboration

Jayne Ellis 1 collaboration

Themba Mzembe 1 collaboration

Richard Lessells 1 collaboration

Safiyya Randera-Rees 1 collaboration

Palwasha Khan 1 collaboration

Andrew Tomita 1 collaboration

Frank Tanser 1 collaboration

Danny Scarponi 1 collaboration

Ada W C Yan 1 collaboration

Kathy S Baisley 1 collaboration

T Omar 1 collaboration

M Tlali 1 collaboration

V N Chihota 1 collaboration

K L Fielding 1 collaboration

K M McCarthy 1 collaboration

A D Grant 1 collaboration

Njabulo Dayi 1 collaboration

Jaco Dreyer 1 collaboration

Dickman Gareta 1 collaboration

Resign Gunda 1 collaboration

Olivier Koole 1 collaboration

Ngcebo Mhlongo 1 collaboration

Tshwaraganang Modise 1 collaboration

Sashen Moodley 1 collaboration

Xolile Mpofana 1 collaboration

Thumbi Ndung'u 1 collaboration

Deenan Pillay 1 collaboration

Mark J Siedner 1 collaboration

Theresa Smit 1 collaboration

Ashmika Surujdeen 1 collaboration

Mary Flook 1 collaboration

Antal Martinecz 1 collaboration

Pia Abel Zur Wiesch 1 collaboration

Derek J Sloan 1 collaboration

Elizabeth F Walker 1 collaboration

James P Wilson 1 collaboration

Raoul Mansukhani 1 collaboration

Malin Bergstrom 1 collaboration

Sarah M Johnson 1 collaboration

Edward J M Monk 1 collaboration

Jasantha Odayar 1 collaboration

Peter J Scott 1 collaboration

Sarah A Stokes 1 collaboration

Hannah Theodorou 1 collaboration

Susan E Dorman 1 collaboration

K Dheda 1 collaboration

A von Delft 1 collaboration

U G Lalloo 1 collaboration

R van Zyl Smit 1 collaboration

R Perumal 1 collaboration

B W Allwood 1 collaboration

A Esmail 1 collaboration

M L Wong 1 collaboration

A G Duse 1 collaboration

G Richards 1 collaboration

C Feldman 1 collaboration

M Mer 1 collaboration

K Nyamande 1 collaboration

U Lalla 1 collaboration

C F N Koegelenberg 1 collaboration

F Venter 1 collaboration

H Dawood 1 collaboration

S Adams 1 collaboration

N A B Ntusi 1 collaboration

H-M van der Westhuizen 1 collaboration

M-Y S Moosa 1 collaboration

H Moultrie 1 collaboration

J Nel 1 collaboration

H Hausler 1 collaboration

W Preiser 1 collaboration

L Lasersohn 1 collaboration

H J Zar 1 collaboration

Natalie Wood 1 collaboration

Matthew Fentress 1 collaboration

Patricia C Henwood 1 collaboration

Priya Maharaj 1 collaboration

Mohammed Mitha 1 collaboration

Dilshaad Khan 1 collaboration

Philip Caligiuri 1 collaboration

Dirhona Ramjit 1 collaboration

Nokwanda Ngcobo 1 collaboration

Idriss I Kallon 1 collaboration

Christopher J Colvin 1 collaboration

Lydia M L Holtgrewe 1 collaboration

Ann Johnson 1 collaboration

Kate Nyhan 1 collaboration

Jody Boffa 1 collaboration

Sheela V Shenoi 1 collaboration

J Lucian Davis 1 collaboration

Ibrahim Abubakar 1 collaboration

Colin N J Campbell 1 collaboration

Amy L Clarke 1 collaboration

Caroline S Clarke 1 collaboration

Adam T Hill 1 collaboration

Heinke Kunst 1 collaboration

Mike Mandelbaum 1 collaboration

Ben G Marshall 1 collaboration

Ceri McSparron 1 collaboration

Ananna Rahman 1 collaboration

Jacqui White 1 collaboration

Rachel M Wake 1 collaboration

Nelesh P Govender 1 collaboration

Tanvier Omar 1 collaboration

Carolina Nel 1 collaboration

Ahmad Haeri Mazanderani 1 collaboration

Nazir A Ismail 1 collaboration

Caroline T Tiemessen 1 collaboration

Joseph N Jarvis 1 collaboration

Thomas S Harrison 1 collaboration

Tshifhiwa Muravha 1 collaboration

Gimenne Zwama 1 collaboration

Christopher Colvin 1 collaboration

Alison Swartz 1 collaboration

Anna S Voce 1 collaboration

Idriss Kallon 1 collaboration

Janet Seeley 1 collaboration

Rein M G J Houben 1 collaboration

Fiammetta M Bozzani 1 collaboration

Gabriela B Gomez 1 collaboration