The Médecins Sans Frontières Tertiary Orthopaedic Care center in Mosul, Iraq, provides reconstructive surgery, microbiological analysis, integrated infection prevention and control, and antibiotic stewardship services. Between May 2018 and February 2020, we recorded soft tissue and/or bone infections caused by gram-negative extensively drug-resistant (XDR) bacteria in 4.9% (13/266) of the admitted patients. The XDR bacteria identified among 12 patients in this case series were extended-spectrum β-lactamase–producing Klebsiella pneumoniae (n = 5, 41.7%) with intermediate sensitivity or resistance to imipenem and/or meropenem, Acinetobacter spp (n = 3, 25.0%; 2 Acinetobacter baumannii strains) resistant to imipenem and/or meropenem, Pseudomonas aeruginosa (n = 2, 16.7%) resistant to imipenem and meropenem, and extended-spectrum β-lactamase–producing Proteus mirabilis (n = 2, 16.7%) resistant to meropenem. Most XDR isolates were sensitive only to colistin or polymyxin B, neither of which is available in Iraq. Therefore, the only treatment option was multiple rounds of surgical debridement and wound care. The infection was deemed cured before discharge in 7 patients (58.3%). Meanwhile, 4 patients (33.3%) were discharged with unhealed wounds, and outpatient follow-up was planned. One patient died in the intensive care unit of a referral hospital after developing septicemia postsurgery. XDR bacteria pose substantial health risks in Iraq. Thus, improving antimicrobial stewardship and accessibility to essential antibiotics is critical to address this issue.
To determine whether adding urine culture to urinary tract infection diagnosis in pregnant women from refugee camps in Lebanon reduced unnecessary antibiotic use.
METHODS
We conducted a prospective, cross-sectional study between April and June 2022 involving pregnant women attending a Médecins Sans Frontières sexual reproductive health clinic in south Beirut. Women with two positive urine dipstick tests (i.e. a suspected urinary tract infection) provided urine samples for culture. Bacterial identification and antimicrobial sensitivity testing were conducted following European Committee on Antimicrobial Susceptibility Testing guidelines. We compared the characteristics of women with positive and negative urine culture findings and we calculated the proportion of antibiotics overprescribed or inappropriately used. We also estimated the cost of adding urine culture to the diagnostic algorithm.
FINDINGS
The study included 449 pregnant women with suspected urinary tract infections: 18.0% (81/449) had positive urine culture findings. If antibiotics were administered following urine dipstick results alone, 368 women would have received antibiotics unnecessarily: an overprescription rate of 82% (368/449). If administration was based on urine culture findings plus urinary tract infection symptoms, 144 of 368 women with negative urine culture findings would have received antibiotics unnecessarily: an overprescription rate of 39.1% (144/368). The additional cost of urine culture was 0.48 euros per woman.
CONCLUSION
A high proportion of pregnant women with suspected urinary tract infections from refugee camps unnecessarily received antibiotics. Including urine culture in diagnosis, which is affordable in Lebanon, would greatly reduce antibiotic overprescription. Similar approaches could be adopted in other regions where microbiology laboratories are accessible.
Inappropriate use of antibiotics is widespread, and one of the main drivers for antimicrobial resistance (AMR). In pregnant women with suspected urinary tract infection (UTI), studies have suggested antibiotic over-use in up to 96%; use may be particularly high in settings with limited diagnostic resources and where reliant on symptomatic approaches. In south Beirut, specifically within camps where refugees settle and living conditions are poor, MSF has been operational since 2014 as the main provider of free primary healthcare services as well as sexual and reproductive health (SRH) care. Current MSF protocols operational in this setting recommend the use of urine dipsticks for UTI screening in pregnant women, followed by empirical antibiotic treatment for those with a positive result (positive for nitrites and/or leucocytes).
METHODS
In 2021, around 6,300 (24%) of the total 26,300 antenatal care (ANC) consultations conducted had a suspected UTI, based on urine dipstick results, and all those suspected with UTI were prescribed antibiotics. A prospective study was conducted between April and July 2022, to determine if adding urine
culture, following positive urine dipstick, to the protocol would reduce the use of unnecessary antibiotics. We used descriptive statistics to describe the population and compare positive and negative urine cultures. We calculated the proportion of patients receiving appropriate or inappropriate antibiotics.
ETHICS
This study was approved by the MSF Ethics Review Board, and by the ethics committee of the Lebanese American University.
RESULTS
A total of 449 pregnant women with suspected UTI were included in this study; all received urine culture. 81 (18%) were culture-positive. Under usual practice, 368 women (82%) would have been overprescribed antibiotics, based solely on urine dipstick results. 197 (44%) of the cohort were symptomatic, and were given empirical antibiotic treatment, with cefixime administered to 42 (21%) women and fosfomycin to 155 (79%). Escherichia coli (79%) was the most common bacterial species isolated, followed by Proteus (11%). In addition, among the 81 positive cultures, 4 (5%) were found resistant to fosfomycin and 39 (48%) to cefixim
CONCLUSION
These study findings reinforce concern around potential over prescription of unnecessary antibiotics in such populations, which could contribute to a potential rise in AMR. In addition, resistance to cefixime, one of the recommended antibiotics to treat UTI’s, is relatively high in this community. In contexts where urine culture is feasible, not costly, accessible, and results rapidly available, particularly with large cohorts of patients, urine culture should be the main method used to diagnose UTI; treatment should be based on microbiology/antibiotic sensitivity results.
CONFLICTS OF INTEREST
None declared.