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Showing content from https://pubmed.ncbi.nlm.nih.gov/29452941/ below:

Surgical site infection after gastrointestinal surgery in high-income, middle-income, and low-income countries: a prospective, international, multicentre cohort study

Multicenter Study

. 2018 May;18(5):516-525. doi: 10.1016/S1473-3099(18)30101-4. Epub 2018 Feb 13. Surgical site infection after gastrointestinal surgery in high-income, middle-income, and low-income countries: a prospective, international, multicentre cohort study

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PMID: 29452941
PMCID: PMC5910057
DOI: 10.1016/S1473-3099(18)30101-4

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Multicenter Study

Surgical site infection after gastrointestinal surgery in high-income, middle-income, and low-income countries: a prospective, international, multicentre cohort study

GlobalSurg Collaborative. Lancet Infect Dis. 2018 May.

. 2018 May;18(5):516-525. doi: 10.1016/S1473-3099(18)30101-4. Epub 2018 Feb 13.

PMID: 29452941
PMCID: PMC5910057
DOI: 10.1016/S1473-3099(18)30101-4

Item in Clipboard

Abstract

Background: Surgical site infection (SSI) is one of the most common infections associated with health care, but its importance as a global health priority is not fully understood. We quantified the burden of SSI after gastrointestinal surgery in countries in all parts of the world.

Methods: This international, prospective, multicentre cohort study included consecutive patients undergoing elective or emergency gastrointestinal resection within 2-week time periods at any health-care facility in any country. Countries with participating centres were stratified into high-income, middle-income, and low-income groups according to the UN's Human Development Index (HDI). Data variables from the GlobalSurg 1 study and other studies that have been found to affect the likelihood of SSI were entered into risk adjustment models. The primary outcome measure was the 30-day SSI incidence (defined by US Centers for Disease Control and Prevention criteria for superficial and deep incisional SSI). Relationships with explanatory variables were examined using Bayesian multilevel logistic regression models. This trial is registered with ClinicalTrials.gov, number NCT02662231.

Findings: Between Jan 4, 2016, and July 31, 2016, 13 265 records were submitted for analysis. 12 539 patients from 343 hospitals in 66 countries were included. 7339 (58·5%) patient were from high-HDI countries (193 hospitals in 30 countries), 3918 (31·2%) patients were from middle-HDI countries (82 hospitals in 18 countries), and 1282 (10·2%) patients were from low-HDI countries (68 hospitals in 18 countries). In total, 1538 (12·3%) patients had SSI within 30 days of surgery. The incidence of SSI varied between countries with high (691 [9·4%] of 7339 patients), middle (549 [14·0%] of 3918 patients), and low (298 [23·2%] of 1282) HDI (p<0·001). The highest SSI incidence in each HDI group was after dirty surgery (102 [17·8%] of 574 patients in high-HDI countries; 74 [31·4%] of 236 patients in middle-HDI countries; 72 [39·8%] of 181 patients in low-HDI countries). Following risk factor adjustment, patients in low-HDI countries were at greatest risk of SSI (adjusted odds ratio 1·60, 95% credible interval 1·05-2·37; p=0·030). 132 (21·6%) of 610 patients with an SSI and a microbiology culture result had an infection that was resistant to the prophylactic antibiotic used. Resistant infections were detected in 49 (16·6%) of 295 patients in high-HDI countries, in 37 (19·8%) of 187 patients in middle-HDI countries, and in 46 (35·9%) of 128 patients in low-HDI countries (p<0·001).

Interpretation: Countries with a low HDI carry a disproportionately greater burden of SSI than countries with a middle or high HDI and might have higher rates of antibiotic resistance. In view of WHO recommendations on SSI prevention that highlight the absence of high-quality interventional research, urgent, pragmatic, randomised trials based in LMICs are needed to assess measures aiming to reduce this preventable complication.

Funding: DFID-MRC-Wellcome Trust Joint Global Health Trial Development Grant, National Institute of Health Research Global Health Research Unit Grant.

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Figures
Figure 1

Patient flowchart SSI=surgical site infection.…

Figure 1

Patient flowchart SSI=surgical site infection. HDI=Human Development Index.

Figure 1

Patient flowchart SSI=surgical site infection. HDI=Human Development Index.

Figure 2

Multilevel model for factors associated…

Figure 2

Multilevel model for factors associated with surgical site infection Full model includes HDI…

Figure 2

Multilevel model for factors associated with surgical site infection Full model includes HDI tertile, age, American Society of Anesthesiologists (ASA) classification grade, diabetes status, immunosuppressive medication treatment, current smoker, pathology, operative approach, antibiotic use before surgery, intraoperative contamination, and WHO checklist used. Error bars are 95% credible interval. Full data are in the appendix (p 4). OR=odds ratio. HDI=Human Development Index. CI=credible interval.

Figure 3

Probability of surgical site infection…

Figure 3

Probability of surgical site infection (SSI) by human development index (HDI) rank Adjusted…

Figure 3

Probability of surgical site infection (SSI) by human development index (HDI) rank Adjusted predicted probability of SSI across HDI rank by intraoperative contamination. In the most developed countries (rank 1), patients had a low probability of SSI. At rank 100, the probability of SSI increases linearly through the least developed countries. This absolute difference between clean–contaminated and contaminated or dirty surgery is shown, with no interaction between HDI and intraoperative contamination found. Shaded area is the credible interval.