Author

Chimaobi Tim Nnaji

Observed names: C Nnaji, C. Nnaji, Chimaobi Nnaji, Chimaobi T. Nnaji, Dr. Nnaji, Chimaobi Tim, Nnaji Ct, Nnaji, C. T., Tim, Nnaji Chimaobi

Observed institutions: Cairo University, University of Cape Town, University of Port Harcourt Teaching Hospital, Groote Schuur Hospital, Population Health Research Institute, Kwame Nkrumah University of Science and Technology, Federal Medical Centre, National Hospital Niamey, University of KwaZulu-Natal, McMaster University

ORCID: 0000-0003-1562-1750

Observed ORCID: 0000-0003-1562-1750

OpenAlex ID: A5054241983

Perioperative patient outcomes in the African Surgical Outcomes Study: a 7-day prospective observational cohort study

2018 · Bruce M Biccard, Thandinkosi E Madiba, et al. · The Lancet · 578

Maternal and neonatal outcomes after caesarean delivery in the African Surgical Outcomes Study: a 7-day prospective observational cohort study

2019 · David Bishop, Robert A Dyer, et al. · The Lancet Global Health · 199

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Enhanced postoperative surveillance versus standard of care to reduce mortality among adult surgical patients in Africa (ASOS-2): a cluster-randomised controlled trial

2021 · Bruce M Biccard, Leon du Toit, et al. · The Lancet Global Health · 63

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The ASOS Surgical Risk Calculator: development and validation of a tool for identifying African surgical patients at risk of severe postoperative complications

2018 · H.-L. Kluyts, Y. le Manach, et al. · British Journal of Anaesthesia · 48

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Nigerian surgical outcomes – Report of a 7-day prospective cohort study and external validation of the African surgical outcomes study surgical risk calculator

2019 · Babatunde Osinaike, Omobolaji Ayandipo, et al. · International Journal of Surgery · 30

Outcomes after surgery for children in Africa (ASOS-Paeds): a 14-day prospective observational cohort study

2024 · Alexandra Torborg, Heidi Meyer, et al. · The Lancet · 25

Understanding the performance of a pan-African intervention to reduce postoperative mortality: a mixed-methods process evaluation of the ASOS-2 trial

2021 · Nicola Vickery, Timothy Stephens, et al. · British Journal of Anaesthesia · 11

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The analgesic effects of rectal diclofenac versus rectal paracetamol following caudal-bupivacaine for pediatric day-case inguinal herniotomies: a randomized controlled prospective trial

2017 · Chimaobi T. Nnaji, Bisola Onajin-Obembe, et al. · Journal of Pediatric Surgery · 6

Corrigendum to ‘Nigerian surgical outcomes – Report of a 7-day prospective cohort study and external validation of the African surgical outcomes study surgical risk calculator’ [Int. J. Surg. 68 (2019) 148–156]

2019 · Babatunde Osinaike, Omobolaji Ayandipo, et al. · International Journal of Surgery · 4

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Safety and equity in scaling minimally invasive surgery worldwide in 109 countries using cholecystectomy as a tracer procedure: a prospective cohort study

2026 · Sivesh K Kamarajah, Omar Kouli, et al. · The Lancet Global Health · 3

Anesthesia for abdominal myomectomy - A five years audit of a Federal MedicalCentre in Owerri, Nigeria

2017 · Nnaji Ct, K Chikwe · 3

Ketamine and Low-Resource Countries

2022 · Chimaobi Tim Nnaji · IntechOpen eBooks · 2

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Anesthesia in Low-Income and Lower-Middle-Income Countries and the Important Role of Ketamine for Care Provision

2025 · Chimaobi Tim Nnaji · Neuromethods · 1

A Randomized Comparative Trial of the Haemostatic Effect of Tranexamic Acid and Ethamsylate in Major Gynaecological Surgeries

2022 · Dr. Nnaji, Chimaobi Tim, Dr. Mmegwa, Nnamdi Victor · International Journal of Health Sciences and Research · 1

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Differential surgical outcome in Federal Medical Centre Owerri, Nigeria

2022 · Chimaobi Tim Nnaji, Uchenna Iwenobi-Njoku, et al. · International Journal of Science and Research Archive · 1

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Subarachnoid block for transurethral resection of the prostate: a comparison of the block characteristics between 0.5% isobaric bupivacaine with fentanyl and 0.5% isobaric bupivacaine alone

2014 · Nnaji Ct, CN Mato, et al. · Port Harcourt Medical Journal · 1

Optimising Anaesthesia Care for Open Abdominal Myomectomy: A Decade-Long Retrospective Analysis from a Nigerian Hospital

2026 · Chimaobi Tim Nnaji, Chinonso Chibuike Mokwe · Nigerian Postgraduate Medical Journal

Retrospective Evaluation of Anaesthesia Care for Caesarean Delivery in a Secondary Healthcare Facility in Saudi Arabia

2025 · Chimaobi Tim Nnaji, Ahlamessam Mohammed Saba · International journal of research and scientific innovation

The Global Prevalence of Depression Calls for Action: A Look to the Situation and Specifics with Ketamine

2025 · Sabine Himmelseher, Chimaobi Tim Nnaji, et al. · Neuromethods

Comparative Evaluation of Haemodynamic Effects of Continuous Versus Intermittent Epidural Injections of Bupivacaine with Fentanyl for Major Gynaecological Surgeries

2023 · Chimaobi Tim Nnaji · Journal of Clinical and Medical Surgery

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Evaluation and Analysis of Medical Research; Advancing Current and Evidence-Based Clinical Practice by a Resident Doctor's Medical Journal

2022 · Tim, Nnaji Chimaobi, Omoruyi Solace Amechi · Zenodo (CERN European Organization for Nuclear Research)

Perspective Chapter: Epidural Anaesthesia Service Delivery in Anaesthesia Workforce Constrained Regions

2022 · Chimaobi Tim Nnaji · IntechOpen eBooks

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What is the optimal opioid analgesic in the management of sickle cell pain crisis?

2018 · Eze Onyegbule Okubuiro, Chimaobi Tim Nnaji, et al. · Asian Pacific Journal of Nursing and Health Sciences

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Works count: 25

Citation count: 976

H-index: 7

I10-index: 7