Current challenges in the management of sepsis in ICUs in resource-poor settings and suggestions for the future

Abstract

Background

Sepsis is a major reason for intensive care unit (ICU) admission, also in resource-poor settings. ICUs in low- and middle-income countries (LMICs) face many challenges that could affect patient outcome.

Aim

To describe differences between resource-poor and resource-rich settings regarding the epidemiology, pathophysiology, economics and research aspects of sepsis. We restricted this manuscript to the ICU setting even knowing that many sepsis patients in LMICs are treated outside an ICU.

Findings

Although many bacterial pathogens causing sepsis in LMICs are similar to those in high-income countries, resistance patterns to antimicrobial drugs can be very different; in addition, causes of sepsis in LMICs often include tropical diseases in which direct damaging effects of pathogens and their products can sometimes be more important than the response of the host. There are substantial and persisting differences in ICU capacities around the world; not surprisingly the lowest capacities are found in LMICs, but with important heterogeneity within individual LMICs. Although many aspects of sepsis management developed in rich countries are applicable in LMICs, implementation requires strong consideration of cost implications and the important differences in resources.

Conclusions

Addressing both disease-specific and setting-specific factors is important to improve performance of ICUs in LMICs. Although critical care for severe sepsis is likely cost-effective in LMIC setting, more detailed evaluation at both at a macro- and micro-economy level is necessary. Sepsis management in resource-limited settings is a largely unexplored frontier with important opportunities for research, training, and other initiatives for improvement.

Introduction

In many low- and middle-income countries (LMICs), the relative importance of curative care to improve health becomes more important with improved public health services, such as sanitation and immunization. This includes care for severe sepsis, a major reason for intensive care unit (ICU) admission in LMICs. These patients will currently often be treated in general wards, but basic intensive care facilities are becoming increasingly available. The scope of the current review is limited to the ICU setting. ICUs in resource-restricted settings have to function with important limitations, including both infrastructure and materials, as well as human resources. It is therefore important to address economic aspects that affect the provision of relatively expensive intensive care in low-income countries. In addition, most LMICs have tropical or subtropical climates, and causes of sepsis will often differ from those in high-income countries (HICs), where most of the sepsis treatment guidelines have been developed. Because of the different setting and the different causes of sepsis, existing guidelines therefore need to be interpreted carefully. Although there is a broad research agenda in place, the current situation has scarcely been addressed. Finally, expansion of setting-adapted training will be important to improve ICU performance in LMICs.

This review, written by a group of physicians from resource-poor and -rich ICUs in LMICs and HICs, respectively, who were involved in the development of a series of sets of recommendations for sepsis management in resource-poor settings that were recently published in Intensive Care Medicine [14], compares the estimated burden, pathogens and pathophysiology of sepsis between resource-poor and resource-rich settings. The availability of critical care and guidelines and the costs of critical care in LMICs are compared to those in HICs. Suggestions for future directions are provided.

Burden and causes of sepsis and its management

Disease burden

While detailed information has been reported on the epidemiology and outcome of sepsis in HICs [5, 6], systematically collected epidemiological data from LMICs are limited [7, 8], even though about 80% of the global mortality caused by infections occur in these countries [9]. At present, the epidemiology of sepsis in LMICs can only be loosely estimated from the epidemiology of acute infectious diseases with a potential to cause sepsis captured in the Global Burden of Disease database [1012]. This database reported important regional differences in the epidemiology of acute infectious diseases (Fig. 1). For example, while the majority of acute infections in resource-limited settings are acquired in the community [9], the incidence of nosocomial infections, such as catheter-related bloodstream infections or ventilator-associated pneumonia, are several fold higher in LMICs than in HICs such as the USA [13]. Similarly, although little data on sepsis mortality in LMICs have been published to date, data which are available suggest that sepsis-related mortality varies greatly among regions and countries according to their income level. While the number of deaths due to sepsis have been steadily decreasing in high-income countries over the last decades to 30–40% [5, 6], mortality rates of up to 80% continue to be reported from resource-poor regions of the world [1417].

Fig. 1
figure1

Most relevant infectious diseases as reported by the Global Burden of Diseases study stratified by the six World Health Organization regions. From Global Burden of Disease Study 2013 [10] and Collaborators GBD 2015 Mortality and Causes of Death Collaborators [11], with permission

Causative pathogens and pathogenesis

Although many bacterial pathogens causing sepsis in LMICs are similar to those in HICs, resistance patterns to antimicrobial drugs can be very different. It has been suggested that the high prevalence of multi-drug resistant bacteria, including methicillin-resistant Staphylococcus aureus, extended-spectrum beta-lactamases-producing bacteria, carbapenamase-producing Enterobacteriaceae and Mycobacterium tuberculosis, contribute to the excess deaths observed in LMICs caused by invasive infections with these bacteria, particularly among infants [13, 18]. The five countries with the highest burden of death in children under 5 years (China, Nigeria Pakistan, India and the Democratic Republic of Congo) also have the highest rate of neonatal deaths from antimicrobial resistance [19]. The challenges encountered in managing antimicrobial resistance and its implications for the treatment of sepsis in LMICs have very recently been described by Thwaites et al. [4].

Whereas the majority of severe sepsis in HICs is caused by bacterial infections, in LMICs, many of which are located in the tropics, causes of severe sepsis also include acute non-bacterial diseases, including protozoal diseases, such as malaria, and viral diseases, such as measles, dengue or viral hemorrhagic fevers. The international literature mainly focuses on sepsis caused by invasive bacterial infections and the associated systemic inflammatory response [20, 21]. Therefore, non-bacterial causes are understudied, and the acquired knowledge on the pathophysiology and treatment of sepsis may not be generalizable to these other causes of sepsis [22].

Previous sepsis definitions strongly emphasized the ‘dysregulated response of the host’s immune system’ as the key element of the pathogenesis of sepsis [23, 24]. Although this concept is generally correct, it ignores the potential direct damaging effects of certain pathogens or pathogen products, which can in particular play a role in tropical diseases. For example, in severe falciparum malaria, a blocked microcirculation resulting from the sequestered infected red blood cell biomass is a direct cause of vital organ failure [25], and in dengue shock syndrome virus proteins are thought to damage the glycocalyx lining the endothelium directly [26, 27]. Intervening in these pathophysiological pathways will obviously require therapeutic approaches different from those used in bacterial sepsis.

Poor availability of critical care

There is persisting substantial heterogeneity in ICU capacity around the world. In the HICs of Europe and Northern America, capacity is between 5 and 30 beds per 1,00,000 inhabitants. The scarce data available show that capacity is much lower—albeit quite variable—in LMICs [28]. Take Asia for example: reported ICU capacity is only 0.3 beds per 1,00,000 inhabitants in Bangladesh, 2.4 per 1,00,000 inhabitants in Malaysia, 2.5 per 1,00,000 inhabitants in Sri Lanka and 3.9 per 1,00,000 inhabitants in China [29] while it is 11.7 adult and pediatric ICU beds per 1,00,000 inhabitants in Mongolia [30]. Studies from several countries in Sub-Saharan Africa have reported as few as 0.1–0.2 ICU beds per 1,00,000 inhabitants [31, 32]. With the exception of Mongolia [30] and Latin American countries [33], almost no data on the availability of dedicated pediatric ICU capacities have been published for resource-limited settings [34].

We tend to look at LMICs as if they are ‘uniform’, but this is a too simplistic—if not naive—approach. Within and between LMICs, there is important heterogeneity in terms of the availability of intensive care, resourcing of ICUs, quality of services and case-mix [35]. The rapidly expanding urban population in many LMICs will provide a challenge for current urban ICU capacity because of the associated increase in case load [36].

Another problem in reporting ICU capacity is the lack of a commonly agreed definition of an ICU or an ICU bed [37, 38]. The spectrum of how ICUs are staffed and equipped differs vastly between countries and regions. Table 1 summarizes published evidence and the personal experiences of the authors in an attempt to categorize different ICU structures worldwide. As surveys from various countries suggest, the availability of ICU-related material resources directly correlates with the countries’ income level and healthcare spending [7, 31, 32, 3943]. The shortage of medical professionals specifically trained in the care of acutely and critically ill patients is another widespread and serious challenge for ICU services in many LMICs [31, 32, 3942]. A notable exception to this is well-staffed and equipped ICUs in private healthcare facilities. Such services can typically be found in some Shigh- and middle-income countries, but these usually remain only accessible for those who can afford this.

Table 1 Proposal for a categorization of intensive care units

The increasing but still low ICU capacity in poorer regions of the world [44] implies that access to ICU services for critically ill patients is usually severely limited. This results in frequent triage decisions [32], which likely increases mortality from preventable disease [45]. Even though costs of care in ICUs of resource-limited settings are only a fraction of those in ICUs of high-income countries [46], expenses for ICU care are usually to a large extent covered by the patient’s family and relatives in LMICs. Unwanted consequences can be denial or refusal of ICU admission of poor patients, but also the premature withdrawal of life-saving interventions [47, 48]. In other instances, costs of care for a critically ill patient, who may eventually die, can exceed the limited budget of many families, leaving them with high debts or even causing private bankruptcy.

Incomplete and unadjusted guidelines

The principle of ‘evidence-based medicine’ is equally important in resource-limited as in resource-rich settings. Development of local evidence is important, since case-mix and causes of sepsis, but also available infrastructure and facilities are essentially different from those in Western countries. Resource-limited ICUs are frequently limited in terms of availability of equipment, laboratory support and skilled physician and nursing staff. As a result, recommendations on sepsis management in resource-poor settings, such as those developed by the ‘Global Intensive Care Working Group’ of the European Society of Intensive Care Medicine (ESICM) [49] differ in several aspects from the Surviving Sepsis Campaign guidelines, which were developed in high-income settings [50]. Obvious examples include targeting strict blood glucose levels with insulin, a strategy which can be safe with frequent and reliable blood glucose monitoring but dangerous when the effects of insulin titrations are determined infrequently or not at all. Other modifications in recommendations for sepsis management could result from the differences in availability of and indications for fluids in sepsis patients between resource-rich and resource-poor settings, but also the cause of sepsis (see also Table 2). Recently, our group of physicians from resource-poor and resource-rich countries took the initiative to develop sets of recommendations for the management of patients with sepsis in resource-poor ICUs [14].

Table 2 Availability of and recommendations for fluids in sepsis patients differ between resource–rich and resource–poor settings

Despite the importance of building ‘local’ evidence, many aspects of existing guidelines and basic principles of good critical care are universal. Access to adequate information has improved massively in this cyber age, and several courses (such as the ‘BASIC for Developing Healthcare Systems’ courses developed by the Chinese University of Hong Kong, Hong Kong, China, and Médecins Sans Frontières) are available. The theoretical knowledge of specialist doctors in developing countries is often impressive, but their ability to translate this into practical implementation can lag behind, which is an important scope for training. Training should not only be for ICU physicians, but also for nurses and other clinical personnel. It will be important that education on sepsis management does not focus only on ICU physicians, but includes medical schools, nursing schools and the training of other healthcare workers, as many sepsis patients in LMICs receive treatment outside an ICU. ‘Train-the-trainer’ models and fostering local champions for positive change are important to sustain improvements of care.

Costs of care in sepsis

Expensive but likely cost-effective critical care

The vast resources consumed by ICUs, up to a staggering 1% of total gross domestic product in the USA [51], demand that ICUs be subject to explicit economic cost-benefit considerations [52]. The literature from high-income settings has indeed expanded over the past decade, demonstrating that many critical care interventions offer significant health returns, with costs per quality-adjusted life-year (QUALY) gained well below a threshold of US $50,000, indicative of a cost-effective intervention in this context.

For countries in which more basic services are still relatively undeveloped it might be questioned whether investment in ICUs should take priority over the strengthening of lower tiers of the healthcare system [53]. Irrespective of these considerations, the reality is that in many growing economies ICUs are increasing in number [44], with virtually no evidence on the cost-effectiveness of their services.

Costs of critical care amongst regions

One approach is to consider the evidence from HICs, which have a much lower willingness to pay the abovementioned threshold. Applying a threshold of US $4000 per QUALY gained [54] suggests that numerous ICU interventions, and those for sepsis in particular [5561], are likely to be cost-effective in ICUs in LMICs (Table 3). For several reasons these cost-effectiveness ratios might be conservative in the context of LMICs. First, the cost of ICUs in these countries is much lower than in HICs. The two largest standardized multi-country reviews of critical care costs in high-income settings estimated the cost per ICU-day to range from US $850 to US $3400 in 2015 [62, 63], with labor being the dominant cost-driver (61 and 67%, respectively). The proportional difference in labor costs between HICs and LMICs will be similar to or higher than that of their respective gross domestic product per capita [64]. This alone implies that the critical care costs in LMICs will be less than one-third that in HICs. Other costs, such as laboratory services (10% of total critical care cost [63]), are also likely to be far lower for similar reasons, as well as drug costs and cost-saving practices such as recycling of consumables [65]. In one of the few costing analyses of an ICU from a LMIC, the total cost per ICU admission-day in India was estimated to be just over US $200 [66], between approximately 5 and 20% of that for HICs.

Table 3 The cost-effectiveness of interventions for the management of severe sepsis

However, it is also important to consider the absolute financial outlay per intervention multiplied by the number of interventions, in particular in LMICs. Even in a wealthy country with a high threshold, tolerance to costs is very closely associated to the number of times the money for that intervention must be spent, especially if up-front costs are high. In other words, an intervention might appear to be cost-effective, but if it would have to be applied to a massive portion of the public, the costs would still be perceived as financially impossible. Consequently, there needs to be an effective system of triage in place to identify those patients who are most likely to benefit from these costly interventions; such a strategy is at times a challenge in LMICs.

Finally, we are uncertain whether applying a threshold of US $4000 per QALY gained is one that could be promoted or generalized, as there is a large intra- and inter-region variation in resources. Country and ideally region-specific currency conversions/purchase power parity comparisons should be made.

Benefit of critical care among regions

The mean age of adult patients admitted to ICUs in HICs is consistently higher than those reported in LMIC. For example, in European ICUs the mean age of adult admissions is typically 55–66 years compared to the median age of 34 years in a Rwandan ICU [67], of 32 years in one of the few ICUs in Uganda [1], and of 37, 51 and 49 years in ICUs in Bangladesh, Nepal and India [68]. Although not specified for admission diagnosis, these data likely also reflect the younger age of sepsis patients and as such can be used as an argument to invest in better intensive care to save these young lives from a disease which is in principle treatable. Also, in LMICs where social security networks are usually lacking, the loss of an individual’s economic activity has far more extensive economic consequences for the families involved.

By generalizing the evidence from HICs and considering the lower costs and higher potential gains there are strong indications that a wide range of critical care services are likely to be cost-effective in LMICs. Unfortunately, there is a dearth of evidence directly from these settings to confirm this notion. The only economic evaluation of an ICU in Bosnia-Herzegovina concluded that critical care was highly cost-effective in that specific setting [46]. A study in Brazil showed that the implementation of a sepsis management protocol was associated with an absolute reduction of 18% in mortality and with cost-savings [55].

Impact of certain interventions among regions

Despite these suggestions that a broad range of ICU services could be cost-effective in LMICs there is also reason for caution. First, some interventions are likely to have a much lower impact in poorly functioning environments than they might have in resource-rich settings. For example, monitoring for invasive infections in an ICU with poor basic infection control could result in more harm than benefit. For this reason it is imperative that basic standards of care are in place prior to the introduction of costly interventions whose effect might otherwise be compromised. Training programs to improve the general quality of care that require no costly interventions have been shown to have beneficial effects [68]. Second, while hypothetically cost-effectiveness should correspond with affordability, in LMICs where healthcare systems are often fragmented and divided between the private and public sector and an abundance of vertically funded health programs, this is often not the case. Therefore, it is imperative that only interventions with modest budgetary impacts are shortlisted for consideration and that from among these only those which have the greatest beneficial effects, with the lowest incremental costs, are selected for implementation. Some such low-cost approaches have been identified and should be prioritized for evaluation. Better surveillance systems for local etiologies of sepsis and antimicrobial susceptibility patterns have been recognized as a key requirement for improving the management of sepsis and critical care [4], and a modeling-based economic evaluation supports the notion that this strategy is likely to be highly cost-effective [69].

Likewise, the development and adaptation of LMIC-specific risk prediction models have been shown to potentially outperform models widely used in high-income settings, such as the frequently used Acute Physiology and Chronic Health Evaluation (APACHE) score and the Simplified Acute Physiology Score (SAPS) [67], which might not even be feasible in many ICUs in LMICs. The same is true for scoring systems in children, and scoring systems that are context relevant should also be explored because the Pediatric Risk of Mortality (PRISM) score may underpredict mortality [70].

Critical care in general and a subset of specific interventions can be an efficient use of scarce resources in LMICs. However, despite the aforementioned lower costs, an ICU admission in, for example, India would most likely represent a catastrophic expenditure that would consume over one-half of the mean annual household income [44, 66] (see also Table 4). As such facilities expand in LMICs and inevitably consume increasing resources, it is imperative for health authorities to ensure that these offer affordable and cost-effective services, while concurrently monitoring and continuing to seek opportunities to improve the quality of critical care and their efficiency at low cost. This approach was exemplified by the UK in the late 1990s, where a country-wide initiative to transform and modernize critical care was associated with a 10% reduction in mortality at lower cost increases than would otherwise be expected [71].

Table 4 Critical care expenditure in Indian hospitals. In India critical care services are offered in four broad types of hospitals, with variable reimbursements. Variable reimbursements potentially leads to a great diversity in care of the critically ill, especially those who tend to have an extended ICU stay (i.e., longer than just a view days)

Sepsis research in resource-limited settings

A yet largely untouched research agenda

With only 1.7% of all biomedical research publications originating in low-income countries [72] and a likely even greater disparity in critical care [44], both the needs and the opportunities for critical care research are vast. Recent rigorous attempts to quantify the global burdens of sepsis, infection and respiratory failure confirm a profound lack of data on epidemiologic critical illness from low-income countries, with the only reliable data limited to single-center descriptions [67, 7376]. The International Severe Acute Respiratory and Emerging Infection Consortium (ISARIC), the Global Intensive Care Working Group of the ESICM and the Mahidol Oxford Research Unit in Bangkok, Thailand, are three examples of groups working to create the infrastructure for global epidemiologic data on critical illness, for use both as baseline data at regular intervals but also in preparation for disease outbreaks [77].

Research on infectious diseases that lead to critical illness are perhaps the most successful areas of investigation thus far, with impressive scientific advancements in diseases such as malaria, tuberculosis and melioidosis [7880]. Defining and testing quality metrics is an area prioritized in both critical care and global public health [81], but quality improvement in resource-limited ICUs remains largely unexplored [44, 82]. The latter requires some ability to benchmark ICUs with severity of illness scores, also a nascent area of study [67]. Research into medical education models such as the Human Resources for Health program in Rwanda [83], decision-support tools like the Checklist for Early Recognition and Treatment of Acute IllNess (CERTAIN) [84] and Vital Signs Directed Therapy [85] could help in better defining how to optimize knowledge acquisition and application for providers in resource-limited settings.

Challenges with research in resource-restricted settings

The realities of restriction in resources interact to create complex challenges to producing quality critical care research. Many short-term multi-site epidemiologic studies depend on individual sites to participate without funding for the perceived minimal data collection burden. However, staff at resource-constrained sites often cannot spare even the short-term investment required to participate, and ‘standard’ clinical data, such as arterial blood gas analyses and chest radiographs, are often not available in these sites [75, 77]. Likewise, multi-center clinical trials are significantly more expensive to perform in resource-limited settings since baseline clinical or analytic infrastructure of any sort cannot be assumed. Efforts to build resource capacity in research and to ensure fair authorship opportunities also mean that research has two resource-intensive and sometimes competing goals: that of developing local researchers without prior training and that of producing high-quality research. An unintended consequence of (appropriate) increasing involvement by local institutional review boards is that lack of staffing and experience may lead to unnecessary delays in research approvals. These resource barriers to collecting epidemiologic data are exacerbated by the fact that ‘critical illness’ is not a laboratory-defined condition, but rather one that is often defined by the expensive resources used to treat it [28, 86].

Ethical considerations are complex as well. All participants in resource-limited settings must be considered potentially ‘vulnerable’ populations due to extreme need and lack of health or research literacy. Deciding where equipoise exists for interventions proven to work in high-resource settings in settings of low resources is difficult. Asking the question, ‘How do we do this better given limited resources?’ uncomfortably raises the question ‘How do we increase resources and to what extent are we obligated to do so?’ Ethical considerations also include relationships between local and foreign researchers, the latter who often bring financial and experiential resources, leading to unequal power dynamics and potential for abuse [87]. Allowing lower standards for publication for research originating in low-resource settings has been considered in order to decrease some of the publication bias toward resource-rich settings; however, it is not at all clear that publishing poor-quality research that could impact clinical care is ethical or advisable.

Suggestions for the future

Better definition of sepsis

The latest sepsis definition [88], which refers to sepsis as life-threatening organ dysfunction caused by a dysregulated host response to infection, better reflects the fact that sepsis can complicate any serious acute infection. As pointed out earlier, direct damaging effects of the pathogen itself or of its products can sometimes be the main process. Consequently, research on sepsis treatment should not focus only on immunomodulating strategies in bacterial sepsis, but also on faster illumination of the pathogen and its products, an approach which could be particularly relevant in certain non-bacterial causes of sepsis, such as falciparum malaria, Cryptococcal infections and various viral infections.

Another unmet need is to validate the various definitions for sepsis in more varied populations, such as children in LMICs and adults in LMICs, and in areas where the causative pathogens of sepsis differ from those in Western countries where the present definitions have been developed.

Better research infrastructures and planning

Experience, resources and human power are critical for building evidence, and these are not routinely available in resource-poor settings. The global critical care community should help to build local clinical research capacities and contribute to obtaining adequate funding. Engagement of a variety of stakeholders, including local intensive care societies, healthcare authorities (e.g. Ministries of Health) and universities will be crucial in this respect [89]. There are large funding bodies, such as the Wellcome Trust, that support several efforts, but additional funds are clearly needed. The teaming up of researchers from established groups in HICs with local groups in resource-limited settings has proven to be a good model—provided equal and reciprocal relationships are guaranteed. Formulating essential topics for research will be important and could benefit from increased networking between critical care physicians from developing countries. This would also foster research networks needed to perform adequately powered clinical trials. Requirements for good-quality clinical research are not necessarily available in many developing countries, with often little infrastructure or human resources available for research. Hospitals and their doctors can be overburdened by their service delivery tasks, leaving little room for research. Offering a career path to clinical research physicians could free up manpower for improving evidence-based critical care. Priority settings and governance regarding financial resources for research and implementation projects will become extremely important. Also, local institutions, including ethical review boards, should help to create an enabling environment for research that benefits the local population, and not just promote the construction of unnecessary barriers, which is now at times the case.

Obtaining relevant evidence, adapting guidelines

Obtaining local intelligence on the most important causes of sepsis and the resistance patterns of the infecting microorganisms is crucial to guide local empirical antimicrobial treatment. Since microbiological capacity is often lacking in hospitals in LMICs, research collaborations could help to obtain this evidence from strategically located sentinel study sites.

We need additional recommendations for those interventions not yet covered in the published guidelines. Multi-center trials assessing clinical efficacy and effectiveness of new interventions and interventions known to be effective in resource-rich settings are sorely needed, given differences in epidemiologic and treatment contexts [44]. The Fluid Expansion as Supportive Therapy (FEAST) trial on fluid resuscitation in febrile African children with shock demonstrates that these trials are feasible and may yield unexpected results [90]. Networks of critical care researchers are increasingly being established in more resource-limited areas of the world, which could lead to additional studies of this kind [44]. Beyond these broad areas of research, specific subtypes deserve special attention in resource-limited settings. Social determinants of disease and barriers to care are of particular relevance to all research in resource-limited settings, including intensive care [81]. While cost-effectiveness analyses are arguably important in all environments without infinite resources, their need is more acute in places with fewer resources to allocate [91]. Locally adapted prediction models can help ensure that interventions are targeted in a cost-effective manner.

Another important area for critical care research is on developing templates for expanding urban ICU capacity in rapidly growing cities [36]. Setting-specific guidance, rather than country-specific guidance, on how to build and equip an ICU is likely an additional and substantial area of research.

Finally, research on the process whereby scientific knowledge is translated into improved quality of care, i.e. ‘global health delivery science’, strikes at the immediate challenge in patient care in resource-poor settings, the fact that so much of what is known is not implemented effectively [81].

Opportunities

While the challenges are daunting, the opportunities are similarly impressive. Outbreaks like Ebola have increased the drive for intensive care research in resource-limited settings both by demonstrating how critical illness in these settings impacts people in resource-rich settings and by highlighting the need for improved critical care capacity in all areas of the world [92]. Interest in and funding for global health have increased steadily over the last few decades, such that career path and funding opportunities for researchers from HICs are better than ever before. Researchers from resource-limited settings now also have opportunities for high-quality training and mentorship through programs, such as those offered by the Wellcome Trust or United Kingdom Medical Research Council schemes and the American Thoracic Society’s ‘Methods in Epidemiologic, Clinical, and Operations Research’ (MECOR) program [93].

An example of building a research structure is one from India, where the Indian Society of Critical Care Medicine initiated a ‘cloud-based database’ called ‘Customized, Health in Intensive care, Trainable Research and Analysis (CHITRA) (http://www.isccm.org/chitra.aspx).

Finally, LMICs and HICs could mutually benefit from their research agendas; HICs also gain from more LMIC research. For example, considerations about direct pathogen effects in LMICs could, in turn, generate better critical thinking about sepsis, from which both HICs and LMICs gain. Similarly, technological innovation under resource constraints can yield gains for all. Critical care could be ripe for this at times called ‘frugal innovation’ or ‘reverse innovation’ concept [94]. Also, in our personal experience [68], nurses from HICs that have worked in LMICs, and even for a short time, are more cost-conscious than their colleagues.

Conclusions

Strategies to improve the quality of sepsis management in resource-poor settings require consideration of disease-specific and setting-specific factors and meticulous evaluation of the best way to adapt and deploy quality improvement initiatives. Critical care, including sepsis management, is expensive but likely cost-effective in LMICs, but we need to better understand what the true financial impact of critical care is, both at a macro- and micro-economy level. Sepsis management in resource-limited settings is a largely unexplored frontier with a clear mandate and exciting opportunities for impact.

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Correspondence to Marcus J. Schultz.

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Take-home message:

ICUs in low- and middle-income countries face many challenges that could affect patient outcome. Addressing both disease-specific and setting-specific factors is important to improve performance in these settings. Detailed evaluation at both at a macro- and micro-economy level is highly needed.

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Schultz, M.J., Dunser, M.W., Dondorp, A.M. et al. Current challenges in the management of sepsis in ICUs in resource-poor settings and suggestions for the future. Intensive Care Med 43, 612–624 (2017). https://doi.org/10.1007/s00134-017-4750-z

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Keywords

  • Sepsis management
  • Critical care
  • Resource-limited settings