Carbapenamase-Producing Acinetobacter baumannii in China, Latin America and the Caribbean:
January 2022, Vol 24, No 1

INTRODUCTION Carbapenem-resistant Acinetobacter baumannii is a complex health problem, causing difficulties in clinical–therapeutic management worldwide. It is of particular concern in Latin America, the Caribbean and China, where it is an emerging health problem. Carbapenemases produced by these organisms inactivate carbapenem antibiotics. Monitoring circulating genotypes’ geographic dispersion contributes to more effective control measures. However, exhaustive studies on carbapenem-resistant A. baumannii are scarce.

OBJECTIVES Study the production of carbapenemases in clinical isolates of A. baumannii resistant to carbapenem antibiotics and the geographic distribution of the sequences circulating in China, Latin America and the Caribbean.

DATA ACQUISITION We followed PRISMA indications. We carried out a systematic search in Pubmed, BVS and CKNI on papers on A. baumannii and carbapenemases published during 2015–2020 in English, Spanish and Chinese, and selected 29 cross-sectional studies that met the search criteria. Studies were evaluated using JBI Critical Appraisal tools, and quantitative data were collated for meta-analysis using the Metaprop library in Stata15.

DEVELOPMENT OXA-type carbapenemases were detected in all studies; among A. baumannii resistant to carbapenem antibiotics, predominant types were OXA-23, OXA-24, OXA-54 and OXA-72; metallobetalactamases were identified less frequently than OXA carbapenemases. Only one clinical isolate producer of Class A carbapenemases (KPC) was identified in Colombia. In total, 41 sequence types were identified; in Latin America and the Caribbean the most common types were: ST79, ST25, ST1 and ST15; in China, the sequences ST195, ST208, ST191, ST368 and ST369 were the most prevalent. ST2 was found in both regions.

CONCLUSIONS The most prevalent carbapenemases and sequence types vary by region, indicating different ancestral strains. Microbiological surveillance, antibiotic use optimization, adequate infection treatment and timely control strategies are essential for carbapenem-resistant A. baumannii prevention and control in geographies such as Latin America, the Caribbean and China where such resistance is an emerging health problem.

KEYWORDS Acinetobacter baumannii, carbapenemase, genotype, epidemiology, Latin America, Caribbean region, China

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A Year in the COVID-19 Epidemic: Cuba and Uruguay in the Latin American Context
July–October 2021, Vol 23, No 3–4

INTRODUCTION One year after WHO declared COVID-19 a pandemic, we found it useful to carry out a diagnosis of the situation in Latin America.

OBJECTIVES Examine the prevailing epidemiological panorama in mid-March 2021 in 16 countries in Latin America and the performance, over time, in the two countries with the best responses to their respective epidemics.

METHODS Using morbidity and mortality data, we compared the relative performance of each country under review and identified the two countries with the most successful responses to the pandemic. We used five indicators to analyze the course of each country’s performance during the pandemic throughout 2020: prevalence of active cases per million population; cumulative incidence rate in 7 days per 100,000 population; positivity rate over a 7-day period; percentage of recovered patients and crude mortality rate per 1,000,000 population.

RESULTS According to the performance indicators, Cuba was ranked highest, followed by Uruguay. Although figures remained within acceptable margins, both nations experienced notable setbacks in the first weeks of 2021, especially sharp in Uruguay.

CONCLUSIONS Any characterization of the situation is condemned to be short-lived due to the emergence of mutational variants; however, this analysis identified favorable sociodemographic characteristics in both nations, and in their health systems, which may offer possible explanations for the results we obtained.

KEYWORDS COVID-19, infodemic, Latin America, Uruguay, Cuba

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Hypoxic Ischemic Encephalopathy in Units Reporting to the Ibero-American Society of Neonatology Network: Prevalence and Mortality
January 2021, Vol 23, No 1

INTRODUCTION Hypoxic ischemic encephalopathy is a neurological condition occurring immediately after birth following a perinatal asphytic episode. Therapeutic hypothermia is a safe and effective intervention to reduce mortality and major disability in survivors. In Latin America, perinatal asphyxia is a major problem, but no data are available characterizing its current situation in the region or the impact of hypoxic ischemic encephalopathy on its management.

OBJECTIVE Understand the prevalence, mortality and use of therapeutic hypothermia in newborns at ≥36 weeks gestational age with hypoxic ischemic encephalopathy admitted to neonatal units reporting to the Ibero-American Society of Neonatology Network.

METHODS The Ibero-American Society of Neonatology Network groups various neonatology centers in Latin America that share information and collaborate on research and medical care. We evaluated data on newborns with ≥36 weeks gestational age reported during 2019. Each unit received a guide with definitions and questions based on the Society’s 7th Clinical Consensus. Evaluated were encephalopathy frequency and severity, Apgar score, need for resuscitation at birth, use of therapeutic hypothermia and clinical evolution at discharge. Our analysis includes descriptive statistics and comparisons made using the chi-square test.

RESULTS We examined reports of 2876 newborns from 33 units and 6 countries. In 2849 newborns with available data, hypoxic encephalopathy prevalence was 5.1% (146 newborns): 27 (19%) mild, 36 (25%) moderate, 43 (29%) severe, and 40 (27%) of unknown intensity. In those with moderate and severe encephalopathy, frequencies of Apgar scores ≤3 at the first minute (p = 0.001), Apgar scores ≤3 at the fifth minute (p <0.001) and advanced resuscitation (p = 0.007) were higher. Therapeutic hypothermia was performed in only 13% of newborns (19). Neonatal mortality from encephalopathy was 42% (61).

CONCLUSION Hypoxic ischemic encephalopathy is a neonatal condition that results in high mortality and severe neurological sequelae. In this study, the overall prevalence was 5.1% with a mortality rate of 42%. Although encephalopathy was moderate or severe in 54% of reported cases, treatment with hypothermia was not performed in 87% of newborns. These data reflect a regional situation that requires urgent action.

KEYWORDS Hypoxia ischemia, brain; encephalopathy, neonatal; mortality; hypothermia, induced; neonatology; Latin America

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A PAHO Perspective on COVID-19 in Cuba
October 2020, Vol 22, No 4

If all physicians are detectives, using their skills to track down what ails body and mind, then epidemiologists are medicine’s social detectives, using their training to understand the great calamities of population health. For over 30 years, Dr José Moya has worked in the field since his initial position as head of epidemiology in Ayacucho, […]

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Cuban Contributions to Latin American Clinical Care and Research on Diabetes and Pregnancy
October 2020, Vol 22, No 4

Cuban participation in and contributions to education, medical care and research on diabetes and pregnancy in Latin America dates back to the 1970s when the Latin American Diabetes Association was founded. The Cuban health system and its professionals recognized early the problems presented by diabetes during pregnancy for the health of an expectant mother and her children and assimilated and disseminated important lessons that became influential in the region. These included: importance of adopting a program within primary health care that offers national coverage for diabetic pregnant women, with a special focus on pre-conception monitoring of diabetic women; benefits of defining a specific range for application of a fasting glucose test to identify risk of gestational diabetes through selective screening for the disease; using insulin to treat gestational diabetes; controlling excessive weight at the beginning and during pregnancy; and underscoring the importance of interdisciplinary treatment of diabetes in pregnancy. The goal was to improve care and research in reproductive health for diabetic pregnant women and their children in Cuba.

KEYWORDS: Gestational diabetes, pregnancy, Latin America, Cuba

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Economic Packages for COVID-19 Recovery Must Invest in More Resilient Health Systems
July 2020, Vol 22, No 3

Cristian Morales, an economist by training, has dedicated his career to improving health and health equity in the Americas through his work with PAHO/WHO. This has taken him from hurricanes, earthquakes and epidemics in Haiti to PAHO’s Washington DC offices, where he was instrumental in achieving consensus on a resolution aiming for universal health—coverage plus […]

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The Cuban Strategy for Combatting the COVID-19 Pandemic
July 2020, Vol 22, No 3

The emerging SARS-CoV-2, a novel human coronavirus, caused the COVID-19 pandemic, with more than 9.5 million cases and 484 000 known fatalities to date (June 24th, 2020). In several regions, healthcare systems have collapsed whereas interventions applied to slow the viral spreading have had major social and economic impacts. After China, Europe, and the United States, Latin America has emerged as the new epicenter of the pandemic. By late-June, the region accounted for roughly 50% of global daily deaths (Gardner, 2020). The evolution of the COVID-19 pandemic in the region has been heterogenous as several countries are currently experiencing exponential growth of their daily cases and fatalities, while others have successfully controlled their corresponding outbreaks. Cuba confirmed its first COVID-19 cases in mid-March. After a three-month outbreak, the country recently began to move to a postepidemic phase. This dispatch details some relevant aspects of the strategy deployed in Cuba to face the COVID-19 pandemic and to decrease the impact of this emerging disease in the country. In addition, it describes the evolution of some epidemiological variables which allowed the country to de-escalate some of the non-pharmaceutical interventions applied during the outbreak. 

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Cuba’s Role in International Atomic Energy Agency Regional Cooperation in Cardiology
October 2019, Vol 21, No 4

Cardiovascular diseases are the leading cause of death worldwide, and a health problem in low- and middle-income as well as high-income countries. They also constitute the main cause of death in Latin America, with ischemic heart disease as the principal cause in most countries of the region. In Cuba, heart disease is the first cause of death, followed by cancer and stroke. In its 2030 Agenda for Sustainable Development, the UN recognizes the importance of chronic non-communicable diseases, including cardiovascular diseases.

Cuba has participated actively as lead partner in design and implementation of the two regional technical cooperation projects conducted over the last six years by the International Atomic Energy Agency to address cardiovascular diseases in Latin American and Caribbean member states. These projects have generated greater interest among participating countries in the use of myocardial perfusion for dilated cardiomyopathy and coronary artery disease compared to other imaging techniques; disseminated knowledge about nuclear cardiology techniques and clinical applications in heart failure and coronary artery disease; and made important contributions to implementing harmonized, appropriate and safe clinical protocols. Cuba’s contribution to the International Atomic Energy Agency’s regional cardiology projects has fostered development of human resources and harmonized protocols both nationally and regionally, and demonstrated the importance of region-based scientific cooperation that ensures greater opportunities and more equitable access to resources. This participation has also accrued important benefits to Cuba’s own nuclear cardiology program.

KEYWORDS Cardiovascular disease, myocardial perfusion imaging, nuclear cardiology, scientific cooperation, low-income populations, Latin America, Caribbean region, Cuba

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The Panama Aging Research Initiative Longitudinal Study
April–July 2019, Vol 21, No 2–3

The Panama Aging Research Initiative is a cohort study of 423 adults aged ≥65 years recruited from an outpatient geriatric department of Panama’s largest public hospital, the Social Security Fund’s Dr Arnulfo Arias Madrid Hospital Complex (Complejo Hospitalario Dr Arnulfo Arias Madrid de la Caja de Seguro Social). The study provides the first reports of modifiable and non-modifiable risk factors of cognitive impairment and dementia, as well as various health conditions common among older adults in Panama, including chronic illnesses, polypharmacy and rates of comorbidity. The initial study, conducted September 2012–May 2016, included a clinical interview; physical assessments of body mass index and handgrip strength; and cognitive testing, plus non-fasting blood draws for measurements of genetic (Apolipoprotein E genotype) and blood-based biological markers.

Information was collected regarding limitations in activities of daily living, symptoms of depression and fall incidents. A subsample of participants provided cerebrospinal fluid to measure proteins related to Alzheimer’s disease; another subsample underwent ultrasonography and electroencephalography.

This report describes the general study design and highlights lessons learned and future directions. In particular, drawing on lessons learned from this clinical research, a community-based prospective cohort study is currently under way among older adults in Panama to validate a blood-based biomarker profile for detecting mild cognitive impairment and Alzheimer’s disease, as well as risk factors for cognitive decline.

KEYWORDS: Dementia, biomarkers, Latin America, aging, cognition, chronic disease, Panama

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Antenatal Diagnosis of De Novo Balanced Structural Chromosome Aberrations in Latin America
October 2018, Vol 20, No 4

INTRODUCTION The consequences of de novo balanced structural chromosome aberrations diagnosed antenatally are unpredictable, and, as a result, they introduce uncertainty into genetic counseling decisions.

OBJECTIVE Describe de novo balanced structural aberrations present at antenatal diagnosis in samples from pregnant women in five Latin American countries and determine their effect on carrier individuals.

METHODS This was a retrospective observational study based on analysis of 109,011 antenatal tests conducted from January 1981 to December 2016 in Cuba, Uruguay, Costa Rica, Mexico, and Colombia. Thirteen cytogenetic laboratories provided information that included the cases analyzed during the study period; number of de novo balanced structural aberrations diagnosed antenatally; number of diagnoses with de novo balanced structural aberrations that resulted in termination of pregnancy; detailed descriptions of the karyotypes of de novo balanced structural aberration carriers, and descriptions of the form of diagnosis, including types of samples used (amniotic fluid, chorionic villus or fetal blood). Each laboratory also provided pathology reports and genetic counseling at time of diagnosis. Postnatal followup for pregnancies carried to term continued for at least two years.

RESULTS Of the 109,011 antenatal tests studied, 72 (0.07%) showed de novo balanced structural aberrations. These events primarily involved chromosomes 1, 2, 7, 14, 18, and 20. Of the 79 breakpoints identified, the most common were 5p15.3, 7q11.2, 7q22, and 14q24. We identified three breakpoints corresponding to 3.8% (3q13.1, 3q13.2, and 9p12) that were not reported in other studies of de novo balanced structural aberrations diagnosed antenatally in patients from other geographic regions or in studies of chromosomal fragile sites. Two of these breakpoints (3q13.1 and 3q13.2) were associated with high risk of phenotypic abnormalities. Information on antenatal or postnatal followup was available for 62 (86%) of de novo balanced structural aberration carriers; of the 44 carriers with postnatal followup, 10 had phenotypic abnormalities.

CONCLUSIONS Three new de novo breakpoints were identified, presumably related to genetic admixture characteristics in Latin America. Since some diseases associated with de novo balanced structural aberrations detected antenatally have a late onset, followup for at least two years is recommended for carriers of these aberrations. The information in this study is useful in genetic counseling for pregnant women in Latin America.

KEYWORDS Antenatal diagnosis, prenatal diagnosis, antenatal screening, chromosomal aberrations, chromosomal breakpoints, pregnancy, Colombia, Costa Rica, Cuba, Mexico, Uruguay, Latin America

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Translating the Shared Value of Solidarity Cristian Morales PhD PAHO/WHO Representative in Cuba
October 2018, Vol 20, No 4

Cristian Morales, an economist by training, has dedicated his career to improving health and health equity in the Americas through his work with PAHO/WHO. This has taken him from floods and earthquakes in Haiti to PAHO’s Washington DC offices, where he was instrumental in achieving consensus on a resolution aiming for universal health—coverage plus access—approved by all governments in the Americas. Since 2015, he has served as PAHO/WHO Permanent Representative in Cuba and has recently been appointed to the analogous post in Mexico. At the end of his three years in Havana, MEDICC Review talked with Dr Morales about his experience, the Cuban health system, and the values it shares with the organization he represents. This is part one of the interview, the second part to be published in our January 2019 issue, in which we’ll talk more about the health system in Cuba itself, its achievements and also its challenges.

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PAHO’s Presence in Cuban Health: José Luis Di Fabio PhD. PAHO/WHO Representative in Cuba
October 2012, Vol 14, No 4

He sips mate, the bitter brew of his native Uruguay as he converses at PAHO’s offices in Havana. Yet, he already feels at home here, says Dr Di Fabio, who took up his post in July of 2011. This is not surprising, since his connection to Cuban health care and research predates his arrival by two decades. In 1992–93, he worked on the Americas’ vaccine system (SIREVA) for PAHO and became involved in monitoring cooperation in vaccine regulatory issues, quality and production. From that period emerged one of Latin America’s great achievements: Vicente Vérez Bencomo’s development at the University of Havana of the world’s first Haemophilus influenzae type b (Hib) synthetic-antigen vaccine. Dr Di Fabio came to Cuba often to follow up on the vaccine’s regulatory process, production, and quality control for PAHO.

Later, he continued working on access to vaccine technology at PAHO headquarters in Washington, DC. It’s a journey that has taken him not only far from home, but also from his professional beginnings in Vancouver, Canada, as a PhD in organic chemistry. But it’s Dr Di Fabio’s “chemistry” with Cuba that is the subject of our conversation, his openness incongruent with the stiff antique furniture in his upstairs PAHO quarters—which nevertheless offer one of the best tree-top views of the Cuban capital.

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