George Tzovaras

Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study

Dmitri Nepogodiev, Aneel Bhangu, James Glasbey et al. · The Lancet · 2020 · 1.7K citations · Full text

Medicine, Perioperative Medicine, Surgery +16

Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study

James Glasbey, Adesoji Ademuyiwa, Adewale Adisa et al. · The Lancet Oncology · 2021 · 289 citations · Full text

Medicine, Oncology, Surgery +11

Elective Cancer Surgery in COVID-19–Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study

James Glasbey, Dmitri Nepogodiev, Joana Simões et al. · Journal of Clinical Oncology · 2020 · 222 citations · Full text

Medicine, Oncology, Surgery +11

Age and frailty are independently associated with increased COVID-19 mortality and increased care needs in survivors: results of an international multi-centre study

Mustafa Alsahab, Lucy Beishon, Bryony Brown et al. · Age and Ageing · 2021 · 170 citations · Full text

Medicine, Geriatric Medicine, Frailty +13

Efficacy and safety of therapeutic ERCP in patients 90 years of age and older

Panagiotis Katsinelos, George Paroutoglou, Jannis Kountouras et al. · Gastrointestinal Endoscopy · 2006 · 118 citations

Medicine, Geriatric Medicine, Internal Medicine +5