Globalsurg Collaborative’s research while affiliated with Tamale Teaching Hospital and other places

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Publications (440)


SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study
  • Article

January 2025

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6 Reads

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Globalsurg Collaborative

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Andrej Cokan

Table 1 (continued)
Baseline characteristics of patients who isolated and those who did not isolate before surgery. Values are number (proportion). Proportions are expressed as per column total.
Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study
  • Article
  • Full-text available

September 2024

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27 Reads

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SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study

May 2024

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29 Reads

BJS (British Journal of Surgery)

Background: Preoperative SARS-CoV-2 vaccination could support safer elective surgery. Vaccine numbers are limited so this study aimed to inform their prioritization by modelling.





Citations (14)


... After surgery, we can also focus on the dynamic changes in these patients' indicators and provide early prevention of surgical site infections and high nutritional support. Malnutrition increases the incidence of postoperative complications and mortality [27]. Reasonable nutritional support can correct the abnormal metabolism of nutrients, promote wound healing, reduce tissue oxidative stress, regulate the body's inflammatory immune response, and enhance the mucosal barrier function of the intestine [28]. ...

Reference:

Immune-nutritional indicators predict short-term mortality in older patients after emergency gastrointestinal surgery: a retrospective study
Impact of malnutrition on early outcomes after cancer surgery: an international, multicentre, prospective cohort study

The Lancet Global Health

... Furthermore, it studied the duration between COVID-19 infection and surgery as a discrete variable (weeks) without testing it as a continuous variable beforehand to look for any significance. Also, they did not consider delaying the surgery more than seven weeks, did not include procedure-specific analysis, and did not take the severity of the symptoms into account (4). ...

Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study

... Published research indicates that older individuals and those with comorbidities are more severely affected. The virus has infected over 212 million people across 220 nations, resulting in over 4.4 million deaths (Petersen et al. 2010;COVIDSurg and GlobalSurg 2022). Since the start of the pandemic, there has been a warning that severe COVID-19 and chronic liver diseases (CLD) share risk factors, such as advanced age, diabetes, and obesity, which could result in poor outcomes after SARS-CoV-2 infection (Marjot et al. 2021a;Abdelgawad et al. 2022). ...

SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study

Anaesthesia

... 52 Further work is also needed to address the regional variation and stark geographic inequity in the study of 'rescue' from postoperative complications and to determine the structural and human resources needed to improve the 'rescue' of surgical patients in various healthcare systems. The largest burden of FTR occurs in low-middle income countries, 53,54 which were considerably under-represented in this review, highlighting the need for further targeted research to improve the 'capacity to rescue' and ensure global equity in surgical outcomes. ...

Effects of hospital facilities on patient outcomes after cancer surgery: an international, prospective, observational study GlobalSurg Collaborative and NIHR Global Health Research Unit on Global Surgery*

The Lancet

... All-cause mortality as the primary endpoint was met in 28% of patients in the peri-operative COVID-19 group compared to 4.3% in the controls (p < 0.01). The median time from surgery to death in the peri-operative COVID-19 group was 28 (22) days. The composite secondary endpoint was also significantly prevalent in the peri-operative COVID-19 group (52 vs 13.9%, p < 0.01). ...

SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study

Anaesthesia

... According to a recent study that involved 96,454 patients from 114 countries, pre-operative isolation is no longer favorable as it increases the risk of pulmonary complications. Hence, we recommend vaccination and nasopharyngeal swab prior to elective surgery without isolating the patient [18]. We found that 44.4% of the participants used one NP-PCR preoperatively and 48% test patients 48-72 hours before surgery. ...

Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study

... There are several potential reasons for this rise. Primarily, this trend seems to align with an increase in migration flows from Africa to Italy, observed during the same period [31]. The challenges faced by immigrants arriving in a new country, such as unfamiliarity with local customs, language barriers, or adaptation to different traffic regulations, can contribute to an elevated risk of injuries. ...

SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study
  • Citing Article
  • January 2022

Anaesthesia

... Thus, Fe limitation can limit the growth of Symbiodinium spp. (Rodriguez and Ho, 2018) as well as of marine phytoplankton (Sunda & Huntsman, 1997), as observed in our experiment for cells grown in depleted iron conditions (0 nM). An increase in the volume of Symbiodinium sp. cells was observed at the 10 nM Fe condition, indicating that lower Fe concentrations may facilitate cellular expansion. ...

SARS-CoV-2 infection and venous thromboembolism after surgery: an international prospective cohort study

Anaesthesia

... 33,34 Moreover, the rate of postoperative pulmonary complications was reported to increase with periods of isolation longer than 3 days and longer periods of isolation showed no reduction in the risk of postoperative pulmonary complications. 35 Kovoor et al. proposed that minor surgery should be delayed for at least 4 weeks and major surgery for 8-12 weeks, if patient outcome is not compromised. 36 However, cancer surgery, and especially oncologic HPB surgery, is not always amenable to delays, and is not considered elective surgery per se. ...

Effects of pre-operative isolation on postoperative pulmonary complications after elective surgery: an international prospective cohort study
  • Citing Article
  • November 2021

Anaesthesia

... In urgent cases, the rate may reach 3.3% [16]. Consequently, these patients are at a higher risk of postoperative pulmonary complications, thromboembolic events, and mortality [17][18][19]. ...

SARS-CoV-2 vaccination modelling for safe surgery to save lives: data from an international prospective cohort study

BJS (British Journal of Surgery)