The publication by Garzella et al. in this issue represents a timely and instructive contribution to the global emphasis on antimicrobial stewardship and value-based hospital care.1 Their quality improvement (QI) initiative, the Safe Dehospitalization (DESOSP) project, conducted within a Brazilian public tertiary hospital over 1 year, offers a compelling demonstration that safe, early dehospitalization of patients receiving parenteral antimicrobial therapy is achievable and transformative even in resource-constrained settings. Using the breakthrough series (BTS) model with iterative plan-do-study-act (PDSA) cycles, the investigators increased the rate of eligible dehospitalization from 70% to 91%, reduced mean hospital stay by 33% (from 4.2 to 2.8 days), and produced a return on investment exceeding 200%, all without any increase in 30-day readmission rates.1 These results merit attention not only from clinicians and hospital administrators in Brazil but also from healthcare systems worldwide. Outpatient parenteral antimicrobial therapy (OPAT), the administration of intravenous (IV) antimicrobials to patients outside the inpatient hospital environment, has been established practice in high-income countries for several decades.2,3 Its benefits are well-documented: it reduces exposure to hospital-acquired infections, preserves scarce inpatient bed capacity, improves patient quality of life, and generates substantial cost savings ranging from 40% to 75% per patient episode compared with inpatient care.4,5 Antimicrobial stewardship guidelines further advocate timely step-down transitions to oral therapy whenever pharmacological and clinical criteria permit, reducing catheter-related complications and antibiotic-associated adverse events while maintaining clinical cure rates.6 Comparable QI and OPAT programs across diverse health systems have consistently supported these findings. At King’s College Hospital in London, an OPAT service launched in 2022 saved over 9500 bed days in its first 2 years.7 In Switzerland, a University Hospital of Zurich cohort reported cost savings of over 9 million Swiss francs over 47 months, with antimicrobial stewardship-led therapy adjustments in 95% of episodes.8 In The Netherlands, mandatory infectious disease specialist review within a structured OPAT program shortened IV therapy duration by nearly 14 days per patient and yielded savings of over €3000 per episode.9 The DESOSP initiative joins this evidence base with particular significance as, to our knowledge, one of the first systematically reported QI-driven OPAT programs in a Latin American public hospital. What distinguishes the DESOSP project is not the concept but the rigor and replicability of its implementation framework. The use of a structured BTS collaborative model, with a multidisciplinary team spanning physicians, nurses, pharmacists, social workers, occupational therapists, and nutritionists, reflects the literature’s consistent finding that no single professional group can safely deliver OPAT in isolation.10 The iterative development of an eligibility checklist evolving from a manual paper form to Google Forms and ultimately integration into the hospital’s Cerner electronic system illustrates how PDSA cycles translate quality theory into sustainable institutional practice. They also gave particular attention to patient and caregiver involvement in discharge planning, accounting for the social determinants of safe home-based care, a dimension frequently underemphasized in OPAT literature from high-income settings.1 The authors also discuss broader challenges in the field. Patient selection remains demanding: identification of eligible patients could not be automated, requiring daily manual review by dedicated professionals in each unit.1 This mirrors findings from a multinational survey of 126 OPAT services across 28 countries, in which only 42% reported fully specialized teams, and difficulties with standardization of monitoring and follow-up were near-universal.11 Financial data were available for only 10 of the OPAT transition patients, limiting the comprehensiveness of the economic evaluation, an honest and important acknowledgment that also reflects the systemic challenge of cost tracking in public healthcare systems.1 The opportunities that DESOSP illuminates extend well beyond Brazil. In an era of escalating antimicrobial resistance, constrained hospital capacity, and postpandemic healthcare reform, OPAT and oral therapy transition programs sit at the intersection of several urgent global priorities.12 Telehealth and remote monitoring are rapidly expanding the geographic reach of specialist oversight, with tele-infectious disease consultation already demonstrating reductions in hospital transfers, shorter lengths of stay, and decreased mortality in diverse settings.13 Self-administered OPAT where patients or caregivers administer IV therapy at home not only reduces costs and nursing visits but also carries an 85% lower carbon footprint than inpatient care, a consideration increasingly relevant to healthcare sustainability agendas.14 At a policy level, OPAT is ideally positioned as a flagship component of hospital-at-home and virtual ward strategies now being actively pursued by health ministries from the United Kingdom to India. The alignment between OPAT expansion, antimicrobial stewardship goals, and national decarbonization commitments creates an unusually convergent policy window for investment and scale. The DESOSP initiative, for all its contextual specificity, speaks a universal language. It demonstrates that training, team empowerment, systematic eligibility assessment, and a structured improvement framework are sufficient to unlock safe dehospitalization in a resource-limited public hospital, without waiting for new drugs, new technologies, or new infrastructure. The authors estimate that the bed days saved were equivalent to the creation of 28 virtual hospital beds; in a system perpetually short of capacity, this is not a metaphor but a measurable operational gain.1 The right patient, in the right place, at the right time: the principle sounds simple. Making it happen, as Garzella et al.1 show, requires science, system, and sustained human commitment. Research quality and ethics statement The authors followed applicable EQUATOR Network (https://www.equator-network.org/) guidelines during the conduct of this report.
Thakur et al. (Thu,) studied this question.