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7 pages, 1045 KiB  
Proceeding Paper
Surveillance of Antimicrobial Use in Animal Production: A Cross-Sectional Study of Kaduna Metropolis, Nigeria
by Aliyu Abdulkadir, Marvelous Oluwashina Ajayi and Halima Abubakar Kusfa
Med. Sci. Forum 2025, 35(1), 4; https://doi.org/10.3390/msf2025035004 - 4 Aug 2025
Viewed by 19
Abstract
Measuring antimicrobial use (AMU) in animal production can provide useful data for monitoring AMU over time, which will promote antimicrobial resistance (AMR) reduction. This study involved the daily collation and validation of active primary drug sales and prescription data from veterinary outlets and [...] Read more.
Measuring antimicrobial use (AMU) in animal production can provide useful data for monitoring AMU over time, which will promote antimicrobial resistance (AMR) reduction. This study involved the daily collation and validation of active primary drug sales and prescription data from veterinary outlets and clinics of the Kaduna metropolis. In total, 83.7% of the identified antimicrobials were in the form of oral medication, and most were registered antibiotics (52.8%). Parenteral and topical forms were also identified, with 94% also being antibiotics. The estimated AMU was 282 mg/kg population correction unit (PCU). Poultry represented the most significant population, constituting 99% (31,502,004) of the study population. The class-specific AMU was antibiotics, with 274 mg/kg PCU. The antiprotozoal AMU was 418 mg/kg PCU. The anthelminthic AMU was the highest at 576 mg/kg PCU. This study has provided useful and practical information on the trends in antimicrobial use in animals, with poultry being the most important animal population involved in AMU and oxytetracycline being the most abused antibiotic in animal production. Antimicrobial stewardship (AMS) should be targeted at poultry populations, with an emphasis on reducing antibiotic use/consumption. Full article
(This article belongs to the Proceedings of The 4th International Electronic Conference on Antibiotics)
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12 pages, 300 KiB  
Article
Prevalence, Appropriateness, and Outcomes of Colistin Use in Multidrug-Resistant Pseudomonas aeruginosa Infections: Insights from Hospital Data
by Rana K. Abu-Farha, Savana Sobh, Khawla Abu Hammour, Feras Darwish El-Hajji, Sireen A. Shilbayeh and Rania Itani
Medicina 2025, 61(7), 1275; https://doi.org/10.3390/medicina61071275 - 15 Jul 2025
Viewed by 267
Abstract
Background and Objectives: This study aimed to assess the prevalence of colistin prescriptions among patients with multidrug-resistant (MDR) Pseudomonas aeruginosa (P. aeruginosa) infections admitted to a tertiary teaching hospital in Jordan. Additionally, the study evaluated the appropriateness of colistin prescriptions and [...] Read more.
Background and Objectives: This study aimed to assess the prevalence of colistin prescriptions among patients with multidrug-resistant (MDR) Pseudomonas aeruginosa (P. aeruginosa) infections admitted to a tertiary teaching hospital in Jordan. Additionally, the study evaluated the appropriateness of colistin prescriptions and assessed resistance levels of this strain. Materials and Methods: In this retrospective study, adult patients who were infected with MDR P. aeruginosa and were admitted to Jordan University Hospital between January 2018 and March 2024 were included. Data on demographics, clinical characteristics, sources of infection, antibiotic therapy, and clinical outcomes were collected. Results: Out of the 85 patients who met the inclusion criteria for having MDR P. aeruginosa, colistin was administered to 16 patients (18.8%). Notably, approximately two-thirds (68.7%) of the isolates from patients who received colistin were classified as extensively drug-resistant (XDR). Among the isolates, 15 out of 16 (93.8%) were resistant to both ciprofloxacin and imipenem. Among the patients requiring colistin, five (31.3%) discontinued therapy, while two (12.5%) remained on colistin despite the availability of safer alternatives. No significant difference was observed in 30-day all-cause mortality between patients treated with colistin (0%) and those who were not (4.3%, p = 1.00). Similarly, the incidence of acute kidney injury did not differ significantly between the colistin group (0%) and the non-colistin group (p = 1.00). No significant difference was found in the hospital stay between colistin-treated patients (median 10.5 days, IQR [5.0–14.0]) and those not treated with colistin (median 13.0 days, IQR [7.0–21.0]), (p = 0.22). Conclusions: This study demonstrated that colistin was selectively initiated in high-risk patients, particularly those with XDR P. aeruginosa. However, its inappropriate continuation despite safer alternatives, as well as its discontinuation when no other options existed, raise concerns about antibiotic de-escalation practices. Interestingly, no significant differences in mortality or acute kidney injury were observed between patients who were treated with colistin and those who were not. These findings emphasize the need for antimicrobial stewardship programs and highlight the importance of large-scale trials to evaluate colistin’s efficacy and safety in MDR infections. Full article
(This article belongs to the Section Infectious Disease)
8 pages, 278 KiB  
Article
Antibiotic Prescription in Dentistry: Trends, Patient Demographics, and Drug Preferences in Germany
by Lisa Lotta Cirkel, Jens Martin Herrmann, Claudia Ringel, Bernd Wöstmann and Karel Kostev
Antibiotics 2025, 14(7), 676; https://doi.org/10.3390/antibiotics14070676 - 3 Jul 2025
Viewed by 449
Abstract
Background and objectives: ABs are widely used in dental practice in the treatment of odontogenic infections and as systemic prophylaxis in high-risk patients. However, AB overuse contributes to antimicrobial resistance (AMR), which is a major global concern. This study examined dental AB prescribing [...] Read more.
Background and objectives: ABs are widely used in dental practice in the treatment of odontogenic infections and as systemic prophylaxis in high-risk patients. However, AB overuse contributes to antimicrobial resistance (AMR), which is a major global concern. This study examined dental AB prescribing trends in Germany in 2024, focusing on the share of overall AB prescriptions, patient demographics, and commonly used agents. Methods: This retrospective cross-sectional study used data from the IQVIA Longitudinal Prescription Database (LRx), covering approximately 80% of prescriptions reimbursed by statutory health insurance funds in Germany. Patients with at least one AB prescription (ATC code: J01) issued by a dentist in 2024 were analyzed. Descriptive statistics covered age, sex, and prescribed substances. Results: In 2024, German dentists prescribed ABs to 2,325,500 patients, accounting for 13.9% of all patients in the database who received AB prescriptions. Dentists were the second-largest group of AB prescribers, surpassed only by general physicians. Amoxicillin (54.2%) was most frequently prescribed, followed by amoxicillin with clavulanic acid (24.5%) and clindamycin (21.0%). Dental patients receiving AB prescriptions were older (mean age: 49.8 years) than the general antibiotic patient population (44.7 years). Interestingly, dental AB prescriptions increased during the COVID-19 pandemic, in contrast to the sharp overall decline in AB prescriptions. Between 2015 and 2019, the proportion of dental antibiotic prescriptions showed a moderate upward tendency, followed by a marked increase during the COVID-19 pandemic and a subsequent decline. In contrast, the number of patients receiving antibiotic prescriptions from other medical disciplines decreased over the same period. One particularly notable finding was the extended use of clindamycin, a reserve AB with known side effects and resistance risks, in dentistry. Conclusions: Dentists are responsible for a significant share of AB prescriptions in Germany. The rise in dental AB prescriptions, particularly the frequent prescription of clindamycin, underscores the need for interventions such as updated clinical guidelines and awareness campaigns concerning AB-related risks and their mitigation directed at dentists. These could focus on microbial culture and sensitivity testing and patient adherence education and control for targeted AB interventions. Emphasizing preventive and alternative anti-infective treatment strategies in dentistry may also help to contain AMR. Full article
(This article belongs to the Special Issue Managing Appropriate Antibiotic Prescribing and Use in Primary Care)
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15 pages, 628 KiB  
Review
Invisible Engines of Resistance: How Global Inequities Drive Antimicrobial Failure
by Selim Mehmet Eke and Arnold Cua
Antibiotics 2025, 14(7), 659; https://doi.org/10.3390/antibiotics14070659 - 30 Jun 2025
Viewed by 581
Abstract
Antimicrobial resistance (AMR) is considered a global healthcare emergency in the 21st century. Although the evolution of microorganisms through Darwinian mechanisms and antibiotic misuse are established drivers, the structural socioeconomic factors of AMR remain insufficiently explored. This review takes on an analytical perspective, [...] Read more.
Antimicrobial resistance (AMR) is considered a global healthcare emergency in the 21st century. Although the evolution of microorganisms through Darwinian mechanisms and antibiotic misuse are established drivers, the structural socioeconomic factors of AMR remain insufficiently explored. This review takes on an analytical perspective, drawing upon a wide spectrum of evidence to examine the extent to which socioeconomic factors contribute to the global proliferation of AMR, with an emphasis on low- and middle-income countries (LMICs). The analytical review at hand was carried out through a search for relevant articles and reviews on PubMed, Google Scholar, the Centers for Disease Control and Prevention, and the World Health Organization database using combinations of the keywords “antimicrobial resistance,” “socioeconomic factors,” “low- and middle-income countries,” “surveillance,” “healthcare access,” and “agriculture.” Preference was given to systematic reviews, high-impact primary studies, and policy documents published in peer-reviewed journals or by reputable global health organizations. Our analysis identifies a complex interplay of systemic vulnerabilities that accelerate AMR in resource-limited settings. A lack of regulatory frameworks regarding non-prescription antibiotic use enables the proliferation of multi-drug-resistant microorganisms. Low sewer connectivity facilitates the environmental dissemination of resistance genes. Proper antibiotic selection is hindered by subpar healthcare systems and limited diagnostic capabilities to deliver appropriate treatment. Additionally, gender disparities, forced migration, and climate-driven zoonotic transmission compound the burden. During the COVID-19 pandemic, antimicrobial misuse surged, further amplifying resistance trends. AMR is not solely a biological phenomenon, but a manifestation of global inequity. Mitigation requires a transformation of policy directed toward a “One Health” strategy that incorporates socioeconomic, environmental, and health system reforms. Strengthening surveillance, investing in infrastructure, regulating pharmaceutical practices, and promoting health equity are essential to curb the rising tide of resistance. Full article
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14 pages, 578 KiB  
Article
Food–Drug Interactions: Effect of Propolis on the Pharmacokinetics of Enrofloxacin and Its Active Metabolite Ciprofloxacin in Rabbits
by Ali Sorucu, Cengiz Gokbulut, Busra Aslan Akyol and Osman Bulut
Pharmaceuticals 2025, 18(7), 967; https://doi.org/10.3390/ph18070967 - 27 Jun 2025
Viewed by 500
Abstract
Propolis is a natural resinous substance produced by honeybees that has many biological activities. For thousands of years, it has been widely used as a dietary supplement and traditional medicine to treat a variety of ailments due to its antimicrobial, anti-inflammatory, antioxidant, immunomodulatory, [...] Read more.
Propolis is a natural resinous substance produced by honeybees that has many biological activities. For thousands of years, it has been widely used as a dietary supplement and traditional medicine to treat a variety of ailments due to its antimicrobial, anti-inflammatory, antioxidant, immunomodulatory, and wound-healing properties. Nutritional supplements and foods may interact with drugs both pharmacodynamically and pharmacokinetically, which could raise clinical concerns. Background/Objectives: This study aimed to investigate the effect of propolis on the plasma disposition of enrofloxacin and to assess the potential pharmacokinetic interaction in rabbits. Methods: In this study, enrofloxacin was applied per os (20 mg/kg) and IM (10 mg/kg) and with propolis (100 mg resin/kg) administration in four groups of rabbits (each of six individuals). Heparinized blood samples were collected at 0, 0.1, 0.3, 0.5, 1, 2, 4, 8, 12, and 24 h post-administration. HPLC-FL was used to analyze the plasma concentrations of enrofloxacin and its active metabolite ciprofloxacin following liquid–liquid phase extraction, i.e., protein precipitation with acetonitrile and partitioning with sodium sulfate. Results: The results revealed that propolis coadministration significantly affected the plasma disposition of enrofloxacin and its active metabolite after both per os and intramuscular administration routes. Significantly greater AUC (48.91 ± 11.53 vs. 26.11 ± 12.44 µg.h/mL), as well as longer T1/2λz (11.75 ± 3.20 vs. 5.93 ± 2.51 h) and MRT (17.26 ± 4.55 vs. 8.96 ± 3.82 h) values of enrofloxacin and its metabolite ciprofloxacin, were observed after the coadministration of propolis compared to enrofloxacin alone following both per os and IM routes in rabbits. Conclusions: The concurrent use of propolis and prescription medications may prolong the half-life (T1/2λz) and increase the systemic availability of chronically used drugs with narrow therapeutic indices. The repeated use of drugs such as antibiotics, heart medications, and antidepressants, or drugs with a narrow therapeutic index such as antineoplastic and anticoagulant agents, can cause toxic effects by raising blood plasma levels. Considering the varied metabolism of rabbits and humans, further validation of this study may require thorough clinical trials in humans. Full article
(This article belongs to the Section Pharmacology)
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14 pages, 5444 KiB  
Case Report
Radiographic and Histopathological Characteristics of Chronic Nonbacterial Osteomyelitis of the Mandible in Pediatric Patients: Case Series
by Mohammed Barayan, Nagla’a Abdel Wahed, Narmin Helal, Hisham Abbas Komo, Durer Iskanderani, Raghd Alansari, Nada A. Alhindi, Azza F. Alhelo, Hanadi Khalifa and Hanadi Sabban
Diagnostics 2025, 15(12), 1549; https://doi.org/10.3390/diagnostics15121549 - 18 Jun 2025
Viewed by 469
Abstract
Background and Clinical Significance: Chronic nonbacterial osteomyelitis (CNO) of the jaw is a rare autoinflammatory bone disorder that primarily affects children and adolescents. Diagnosing CNO of the mandible can be challenging due to its rarity, and the clinical and radiographic findings overlap with [...] Read more.
Background and Clinical Significance: Chronic nonbacterial osteomyelitis (CNO) of the jaw is a rare autoinflammatory bone disorder that primarily affects children and adolescents. Diagnosing CNO of the mandible can be challenging due to its rarity, and the clinical and radiographic findings overlap with those of other bone disorders. Case Presentation: This case series retrospectively presents four female pediatric patients (9–12 years old) diagnosed with mandibular CNO. The patients were treated at King Abdulaziz University Dental Hospital, Jeddah, Saudi Arabia, between 2018 and 2024. Clinical features and radiographic and histopathological findings were evaluated. All cases had mandibular swelling and pain. Radiographic features consistently revealed mixed sclerotic and radiolucent lesions with bone expansion and periosteal reactions. Histopathological findings revealed viable bone interspersed with varying degrees of fibrous tissue. No evidence of bacterial colonies or inflammation was observed. This case series highlights the radiographic and histopathological features of CNO in the mandible of pediatric patients. The mixed radiographic features and variability of histopathological findings combined with the refractory nature of the lesions contribute to diagnostic complexity. Diagnostic challenges include differentiating CNO from other inflammatory and fibro-osseous conditions. The presence of recurrent episodes of pain, the formation of subperiosteal bone, periostitis, lysis of the cortical layer, expansion of the mandibular canal, and sterile bone biopsies with nonspecific inflammatory changes were related mainly to CNO. Conclusions: These findings underscore the need for increased awareness and a multidisciplinary approach for accurate diagnosis and management of CNO. Conservative management, particularly in dental cases, avoids prolonged unnecessary use of antibiotics, and the prescription of nonsteroidal anti-inflammatory drugs should be followed. Full article
(This article belongs to the Special Issue Computed Tomography Imaging in Medical Diagnosis, 2nd Edition)
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14 pages, 651 KiB  
Article
Safety and Efficacy of Simultaneous Vaccination with Polysaccharide Conjugate Vaccines Against Pneumococcal (13-Valent Vaccine) and Haemophilus Type B Infections in Children with Systemic Juvenile Idiopathic Arthritis: Prospective Cohort Study
by Ekaterina Alexeeva, Tatyana Dvoryakovskaya, Dmitry Kudlay, Anna Fetisova, Ivan Kriulin, Elizaveta Krekhova, Anna Kabanova, Vladimir Labinov, Elizaveta Labinova and Mikhail Kostik
Vaccines 2025, 13(6), 644; https://doi.org/10.3390/vaccines13060644 - 15 Jun 2025
Viewed by 645
Abstract
Background: The introduction of biological drugs into clinical practice for the treatment of children with systemic juvenile idiopathic arthritis (sJIA) allows disease control but increases the risk of infectious events. Infectious events cause immunosuppressive therapy interruptions, leading to disease flare and life-threatening [...] Read more.
Background: The introduction of biological drugs into clinical practice for the treatment of children with systemic juvenile idiopathic arthritis (sJIA) allows disease control but increases the risk of infectious events. Infectious events cause immunosuppressive therapy interruptions, leading to disease flare and life-threatening complications, namely macrophage activation syndrome. Our study aimed to evaluate the efficacy and safety of simultaneous vaccination against pneumococcal and Haemophilus influenzae type b (Hib) in children with sJIA. Methods: This study included 100 sJIA patients receiving immunosuppressive therapy who were simultaneously vaccinated against pneumococcal and Haemophilus influenzae type b (Hib) infections. The mean age of disease onset was 5.5 years. The median age at vaccination was 10 ± 4.5 years. Clinical and laboratory parameters of sJIA activity, immunization efficacy, and safety, including anti-SP and anti-Hib IgG antibodies, as well as all vaccination-related adverse events (AEs), were recorded in every patient before, 3 weeks after, and 6 months after vaccination. Results: At the time of vaccination, 29% of patients did not meet the criteria for the inactive disease stage, as defined by C. Wallace: active joints were present in 34.5% of patients, systemic manifestations (rash and/or fever) were present in 41.3%, and 24.2% of patients had solely inflammatory laboratory activity. The protective titer of anti-SP and anti-Hib IgG antibodies was detected in the majority of patients 3 weeks after vaccination (100% and 93%, respectively). The results remained unchanged (99% and 92%, respectively) for 6 months of follow-up, compared to the baseline (91% and 37%, p = 0.000001). Anti-SP IgG and anti-Hib titers raised from 48.3 (18.2; 76.5) and 0.64 (0.3; 3.2) U/mL at the baseline to 103.5 (47.3; 185.4) and 4 (3.5; 4.2) U/mL at D22 and 105 (48.7; 171.8) and 4 (3.8; 4) U/mL (EOS), respectively. Immunosuppressive therapy regimens (combined therapy or biological disease-modifying antirheumatic drug monotherapy) did not influence the immunogenic efficacy of vaccination. The incidence of infectious complications (p = 0.0000001) and antibiotic prescriptions (p = 0.0000001) decreased by more than two times, to 29.9 and 13.8 events per 100 patient months, respectively, within 6 months after vaccination—the average duration of acute infectious events was reduced by five times after immunization (p = 0.0000001). Vaccination did not lead to disease flare: the number of patients with active joints decreased by half compared to the baseline, and the number of patients with systemic manifestations decreased by six times. All vaccine-associated adverse events were considered mild and resolved within 1–2 days. Conclusions: Simultaneous vaccination against pneumococcal and Hib infections in sJIA children is an effective and safe tool that reduces the number and duration of infectious events and does not cause disease flare-ups. Full article
(This article belongs to the Special Issue Pneumococcal Vaccines: Current Status and Future Prospects)
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15 pages, 1629 KiB  
Article
Piloting an Information and Communication Technology Tool to Help Addressing the Challenge of Antimicrobial Resistance in Low-Income Countries
by Florence Mutua, Joshua Orungo Onono, Sofia Boqvist, Patricia Koech, Abdullahi M. Abdi, Hildah Karimi and Susanna Sternberg-Lewerin
Antibiotics 2025, 14(4), 373; https://doi.org/10.3390/antibiotics14040373 - 3 Apr 2025
Viewed by 682
Abstract
Background/Objectives: Antimicrobial use (AMU) in livestock drives antimicrobial resistance (AMR). AMR has a significant impact on public health. While several interventions have been used to address this challenge, few have utilized Information and Communication Technology (ICT) approaches. The objective of this study [...] Read more.
Background/Objectives: Antimicrobial use (AMU) in livestock drives antimicrobial resistance (AMR). AMR has a significant impact on public health. While several interventions have been used to address this challenge, few have utilized Information and Communication Technology (ICT) approaches. The objective of this study was to pilot and assess an ICT system to monitor the use of veterinary drugs and disseminate information to farmers in peri-urban smallholder poultry systems in Kenya. Methods: The system was developed in collaboration with the stakeholders. It captures drug sales in veterinary pharmacies and disease incidence and treatments reported by farmers. The system was piloted from May 2023 to December 2023. Monthly follow-ups were conducted to monitor progress and address problems. Assessment was performed through focus group discussions with the users (two with farmers and two with veterinary pharmacy staff) and descriptive statistics of the data collected by the system. Results: A total of 15,725 records were obtained from veterinary pharmacies, including antibiotics (57%), dewormers (22%), and vitamins (11%). Requests for a specific product were recorded in 38% of the sales, while 63% were accompanied by some evidence (empty drug containers, old packages, old prescriptions, pictures of sick birds, and actual sick birds). A total of 91 records were obtained from the farmers. The health problems reported were mostly respiratory (40%) and digestive (30%) disorders. The percentage of customers who requested advice on animal health when visiting veterinary pharmacies ranged from 5 to 20%. Conclusions: AMU can be improved in the study area. The piloted system may help policymakers monitor the sales and usage of antibiotics, improve animal health management, and promote responsible AMU. Full article
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14 pages, 777 KiB  
Article
A Real-World Analysis of the Population with Hepatitis C Virus Infection Affected by Type 2 Diabetes in Italy: Patients’ Characteristics, Comorbidity Profiles and Treatment Patterns
by Edoardo Giovanni Giannini, Alessandra Mangia, Filomena Morisco, Pierluigi Toniutto, Angelo Avogaro, Stefano Fagiuoli, Claudio Borghi, Francesca Frigerio, Marta Nugnes, Chiara Veronesi, Maria Cappuccilli, Margherita Andretta, Marcello Bacca, Antonella Barbieri, Fausto Bartolini, Gianmarco Chinellato, Andrea Ciaccia, Renato Lombardi, Daniela Mancini, Romina Pagliaro, Loredana Ubertazzo, Luca Degli Esposti and Francesca Romana Ponzianiadd Show full author list remove Hide full author list
Medicina 2025, 61(4), 614; https://doi.org/10.3390/medicina61040614 - 28 Mar 2025
Viewed by 559
Abstract
Background and Objectives: HCV infection represents a main risk factor for type 2 diabetes (T2D). This real-world analysis investigated the HCV-positive (HCV+) population with a T2D co-diagnosis in Italy. Methods: From 2017 to 2021, HCV+ patients were identified from administrative databases [...] Read more.
Background and Objectives: HCV infection represents a main risk factor for type 2 diabetes (T2D). This real-world analysis investigated the HCV-positive (HCV+) population with a T2D co-diagnosis in Italy. Methods: From 2017 to 2021, HCV+ patients were identified from administrative databases and stratified into T2D-HCV+ and HCV+-only cohorts in the presence/absence of a T2D diagnosis. Both cohorts were further divided by treatment with direct-acting antivirals (DAAs). The subgroups were compared for demographic variables, comorbidity profiles, most frequent hospitalizations, and drug prescriptions before inclusion. A sensitivity analysis was performed on patients included after 2019, the year of widespread use of pangenotypic DAAs. Results: Considering HCV+ patients aged ≥55 years, T2D-HCV+ patients (N = 1277) were significantly (p < 0.001) older than HCV+-only (N = 6576) ones and burdened by a worse comorbidity profile (average Charlson index: 1.4 vs. 0.3, p < 0.05). Moreover, regardless of T2D presence, DAA-treated patients were older (p < 0.001) and had a worse Charlson index than the untreated ones. T2D-HCV+ patients showed tendentially higher hospitalization rates and co-medication prescriptions compared to the HCV+-only patients. After 2019, a trend towards reduced co-medication use in DAA-treated patients was noticed, especially antibiotics and cardiovascular drugs. Conclusions: The co-presence of T2D in HCV+ patients resulted in a worse clinical status, as confirmed by the more frequent requirement of hospitalizations and complex polypharmacy regimens. Full article
(This article belongs to the Section Infectious Disease)
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12 pages, 1258 KiB  
Article
Prescription Audit in Outpatient Pharmacy of a Tertiary Care Referral Hospital in Haryana Using World Health Organization/International Network of Rational Use of Drugs (WHO/INRUD) Core Prescribing Indicators: A Step Towards Refining Drug Use and Patient Care
by Nikhil Verma, Shanmugapriya Vinayagam, Niti Mittal, Rakesh Mittal and Neeraj Bansal
Pharmacy 2025, 13(2), 48; https://doi.org/10.3390/pharmacy13020048 - 25 Mar 2025
Viewed by 695
Abstract
Background: The evaluation of internationally comparable indicators of medicine use is important to devise strategies to promote the rational use of medicines (RUM). Methods: A cross-sectional study was conducted in a tertiary care hospital from January to June 2024. Prescriptions were collected from [...] Read more.
Background: The evaluation of internationally comparable indicators of medicine use is important to devise strategies to promote the rational use of medicines (RUM). Methods: A cross-sectional study was conducted in a tertiary care hospital from January to June 2024. Prescriptions were collected from the outpatient pharmacy using systematic random sampling and analyzed for WHO/INRUD core prescribing indicators, index of rational drug prescribing (IRDP) and completeness (general, treatment and prescribers’ details). Results: Out of 844 prescriptions collected, 607 were analyzed. A total of 1837 drugs were prescribed, with a mean (SD) of 3.03 (1.51) drugs per prescription; 1378 (75%) drugs were prescribed as generic names; 125 prescriptions (20.59%) had an antibiotic prescribed; and injectables were given in 7 (1.15%) prescriptions. Of the total 1837 drugs, 1018 (55.4%) were mentioned in the National List of Essential Medicines (NLEM) 2022, while 934 (50.8%) were included in the Haryana state essential medicines list (2013–2014). The IRDP was calculated as 3.86. The mean (SD) completeness score of the prescriptions was 10.33 (0.8) (range 5 to 11). Conclusions: There was a high incidence of polypharmacy, brand name and non-essential drug prescribing, while antibiotic and injection use were in accordance with WHO standards. Full article
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13 pages, 3360 KiB  
Article
Impact of Amoxicillin Shortage on Pediatric Antibiotic Prescriptions in Primary Care
by Federica Pagano, Giulio De Marco, Benedetta Trojano, Chiara Amato, Maria Micillo, Gaetano Cecere, Alfredo Guarino and Andrea Lo Vecchio
Antibiotics 2025, 14(3), 313; https://doi.org/10.3390/antibiotics14030313 - 18 Mar 2025
Viewed by 748
Abstract
Background/Objectives: A previous study settled in the Campania Region (Southern Italy) has proven the effectiveness of a multifaceted antimicrobial stewardship program in reducing prescription rates and use of broad-spectrum molecules in the Primary Care setting. Since autumn 2022, the amoxicillin shortage has been [...] Read more.
Background/Objectives: A previous study settled in the Campania Region (Southern Italy) has proven the effectiveness of a multifaceted antimicrobial stewardship program in reducing prescription rates and use of broad-spectrum molecules in the Primary Care setting. Since autumn 2022, the amoxicillin shortage has been reported at a national level, and respiratory pathogens resurged in children after the easing of COVID-19 pandemic restrictions. We aimed to assess the impact of amoxicillin shortage on antimicrobial prescription patterns and quality indexes in the same setting as the past AMS campaign. Methods: We conducted a retrospective review of antibiotic prescriptions in a primary care pediatric practice, focusing on amoxicillin, amoxicillin-clavulanate, third-generation cephalosporins, macrolides, and quinolones. To assess drug accessibility, we monitored antibiotic availability in pharmacies within the same healthcare district. We then analyzed monthly prescription rates per 100 consultations in relation to drug availability patterns and calculated the amoxicillin/amoxicillin-clavulanate index and the Access/Watch index as quality indicators. Results: From November 2022 to May 2023, 90% of the surveyed pharmacies reported an amoxicillin shortage lasting 5 to 7 months. Concomitantly, we observed a significant shift in the prescription pattern for amoxicillin-clavulanate (3.53 to 13.82; p = 0.009) and third-generation cephalosporins (2.45 to 4.83; p = 0.026), that resulted in a decline of the amoxicillin/amoxicillin-clavulanate index (1.38 to 0.56; p = 0.009). Conclusions: The lack of amoxicillin could have led to increased prescriptions of second-line antibiotics in Italian regions, reverting the effect of successful stewardship measures. Full article
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9 pages, 170 KiB  
Technical Note
ICD-10 Codes to Identify Adverse Drug Events Associated with Antibiotics in Administrative Data
by Hannah Lishman, Amber Cragg, Erica Chuang, Carl Zou, Fawziah Marra, Jennifer Grant, David M. Patrick and Corinne M. Hohl
Antibiotics 2025, 14(3), 314; https://doi.org/10.3390/antibiotics14030314 - 18 Mar 2025
Viewed by 804
Abstract
Antibiotics are among the most used therapeutics in primary care, and while their benefits are clear, the potential harms related to adverse drug events (ADEs) cannot be ignored. We outline the creation of a comprehensive list of diagnostic codes describing antibiotic-associated ADEs resulting [...] Read more.
Antibiotics are among the most used therapeutics in primary care, and while their benefits are clear, the potential harms related to adverse drug events (ADEs) cannot be ignored. We outline the creation of a comprehensive list of diagnostic codes describing antibiotic-associated ADEs resulting in presentations to acute care hospitals. Methods: Previously published ADE codes were used to link BC hospitalizations to prior outpatient antibiotic prescriptions and were restricted based on whether patients received an antibiotic within a month prior to the ADE-related hospitalization. The code list was reviewed by two clinical experts independently for the likelihood of being antibiotic-associated. The inter-rater reliability was calculated using Kappa scores with 95% confidence intervals (CIs). Results: Of the 695 ICD-10 ADE codes with evidence of recent antibiotic administration, 72, 68, and 555 codes were considered likely, possibly, and unlikely antibiotic-associated, respectively. Conclusions: We outline a methodology for developing an ICD-10 code list for antibiotic-associated ADEs severe enough to warrant hospital admission. This will help to improve the use of administrative data to capture antibiotic-associated ADEs. Full article
(This article belongs to the Section Antibiotics Use and Antimicrobial Stewardship)
15 pages, 1160 KiB  
Article
Increase in Antibiotic Utilisation in Primary Care Post COVID-19 Pandemic
by Sky Wei Chee Koh, Si Hui Low, Jun Cong Goh and Li Yang Hsu
Antibiotics 2025, 14(3), 309; https://doi.org/10.3390/antibiotics14030309 - 17 Mar 2025
Cited by 1 | Viewed by 1320
Abstract
Introduction: The COVID-19 pandemic has disrupted antibiotic use; easing public health measures may alter infection presentations and antibiotic prescribing in primary care. The study investigated post-pandemic antibiotic utilisation trends in primary care. Methods: A multi-centre, retrospective cohort study was conducted across [...] Read more.
Introduction: The COVID-19 pandemic has disrupted antibiotic use; easing public health measures may alter infection presentations and antibiotic prescribing in primary care. The study investigated post-pandemic antibiotic utilisation trends in primary care. Methods: A multi-centre, retrospective cohort study was conducted across seven public primary care clinics in Western Singapore, which included all patients prescribed oral antibiotics between 2022 and 2023. Descriptive statistics were used to visualise the prevalence and conditions of the prescribed antibiotics. Antibiotic quality was evaluated using the WHO’s AWaRe (access, watch, reserve) classification. Antibiotic use was quantified using the number of items dispensed per 1000 inhabitants (NTI), defined daily doses (DDD) per 1000 inhabitants per day (DID), and DDD per 100 visits. Segmented regression analysis was applied to monthly prescriptions to assess the utilisation trends. Results: Antibiotic prescription rates increased significantly, from 3.5% in 2022 to 4.0% in 2023 (p = 0.001), with a 9.5% relative increase (38,920 prescriptions for 1,112,574 visits to 42,613 prescriptions for 1,063,646 visits). Respiratory conditions drove the increase in antibiotics use, with a 68.3% rise in prescriptions, with upper respiratory tract infections being the most common diagnosis for antibiotic prescriptions (n = 9296 prescriptions in 2023), with a steady monthly upward trend. Access group antibiotics accounted for >90% of prescriptions. The most antibiotics were prescribed for acne, with 36,304 DDD per 100 visits in 2023. Both NTI and DID significantly increased in 2022, largely contributed by a >100% increase in Watch group antibiotic use. Total antibiotic NTI dipped slightly in 2023, with a stable trend in both NTI and DID for all antibiotics. Conclusions: The post-COVID-19 pandemic surge in the antibiotic prescription rate for respiratory conditions and Watch group antibiotic use highlight the need for targeted stewardship interventions. Optimising acne treatment and diagnosis coding are key strategies to further reduce unnecessary prescriptions. Full article
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15 pages, 663 KiB  
Article
Using Unannounced Standardized Patients to Assess the Quality of Tuberculosis Care and Antibiotic Prescribing: A Cross-Sectional Study on a Low/Middle-Income Country, Pakistan
by Mingyue Zhao, Ali Hassan Gillani, Hafiz Rashid Hussain, Hafsa Arshad, Muhammad Arshed and Yu Fang
Antibiotics 2025, 14(2), 175; https://doi.org/10.3390/antibiotics14020175 - 11 Feb 2025
Cited by 1 | Viewed by 1726
Abstract
Background: Pakistan is classified as a high-burden country for tuberculosis, and the prescription of antibiotics and fluoroquinolones complicates the detection and treatment of the disease. The existing literature primarily relies on knowledge questionnaires and prescription analyses, which focus on healthcare providers’ knowledge rather [...] Read more.
Background: Pakistan is classified as a high-burden country for tuberculosis, and the prescription of antibiotics and fluoroquinolones complicates the detection and treatment of the disease. The existing literature primarily relies on knowledge questionnaires and prescription analyses, which focus on healthcare providers’ knowledge rather than their actual clinical practices. Therefore, this study aimed to evaluate the quality of tuberculosis care using standardized patients. Materials and Methods: We conducted a cross-sectional study, recruiting consenting private healthcare practitioners in four cities in Punjab, Pakistan. Standardized patients were engaged from the general public to simulate four cases: two suspected tuberculosis cases (Case 1 and 2), one confirmed tuberculosis case (Case 3), and one suspected multidrug-resistant tuberculosis case (Case 4). The optimal management in Cases 1 and 2 was referral for sputum testing, chest X-ray, or referral to a public facility for directly observed treatment short-courses without dispensing antibiotics, fluoroquinolones, and steroids. In Case 3, treatment with four anti-TB medications was expected, while Case 4 should have prompted a drug-susceptibility test. Descriptive statistics using SPSS version 23 were employed to analyze disparities in referrals, ideal case management, antibiotic use, steroid administration, and the number of medications prescribed. Results: From July 2022 to May 2023, 3321 standardized cases were presented to private healthcare practitioners. Overall, 39.4% of tuberculosis cases were managed optimally, with Case 3 showing the highest rate (56.7%) and Case 4 showing the lowest (19.8%). City-specific analysis revealed that Rawalpindi had the highest management rate (55.8%), while Sialkot had the lowest (30.6%). Antibiotics were most frequently prescribed in Case 1 and least prescribed in Case 4, with a similar pattern for fluoroquinolones. Anti-TB medications were also prescribed in naïve and suspected tuberculosis cases (8.3% in Case 1 and 10.8% in Case 2). Conclusions: The quality of tuberculosis management in actual practice is suboptimal among healthcare providers in Pakistan. Furthermore, the over-prescription of antibiotics, fluoroquinolones, and anti-TB drugs presents a significant risk for the development of drug-resistant tuberculosis. Full article
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13 pages, 209 KiB  
Article
Assessing the Risk of Antibiotic Resistance in Childhood Pneumonia: A Hospital-Based Study in Bangladesh
by Sojib Bin Zaman, Naznin Hossain, Md. Taqbir Us Samad Talha, Kashfia Hasan, Rafid Bin Zaman and Raihan Khan
Healthcare 2025, 13(3), 207; https://doi.org/10.3390/healthcare13030207 - 21 Jan 2025
Cited by 1 | Viewed by 2848
Abstract
Background: Approximately two to three children die from pneumonia every hour, and pneumonia is the leading cause of hospitalization for children under five in Bangladesh. Bangladesh has adopted the Pocket Book guidelines by the World Health Organization (WHO) for hospital management of childhood [...] Read more.
Background: Approximately two to three children die from pneumonia every hour, and pneumonia is the leading cause of hospitalization for children under five in Bangladesh. Bangladesh has adopted the Pocket Book guidelines by the World Health Organization (WHO) for hospital management of childhood pneumonia. These guidelines recommend the proper use of injectable antibiotic administration. Objectives: We assessed and compared the prescription drugs for treating childhood pneumonia following WHO guidelines in a secondary and tertiary hospital in Bangladesh. Methods: We conducted a cross-sectional comparative study among children under five years who were admitted to a tertiary hospital, Dhaka Medical College Hospital (DMCH), and a secondary-level hospital, Kushtia District Hospital (KDH), with pneumonia between May 2021 and May 2022. A structured questionnaire was administered to the eligible participants. Additionally, we reviewed the hospital records related to the patient’s treatment. SPSS (Version 28) was used to conduct statistical analysis. Results: 316 children were enrolled during the study period, of whom 66.4% were collected from DMCH. There were 65.8% and 24.6% of patients who were classified with severe pneumonia and very severe pneumonia, respectively. In DMCH, the severity of pneumonia percentage was 57.6%, while in KDH, the percentage was 82%. A significant difference was found between the two facilities in diagnosing complicated pneumonia, prescribing the appropriate antibiotics, and ensuring oxygen availability. Amoxicillin was prescribed to 83.5% of the participants, and ceftriaxone was used at a high rate (64.5–70.9%). Combining injections of ceftriaxone with oral amoxicillin or other combinations of antibiotics, both facilities used high frequencies of non-antibiotic corticosteroids. Conclusions: Antibiotics were overprescribed, and injections were prescribed at higher levels than WHO recommended. This could pose a threat to antibiotic resistance. There is a need to enforce standard prescribing policies and treatment guidelines to reduce morbidity and mortality among hospitalized children with pneumonia. Full article
(This article belongs to the Section Community Care)
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