COVID-19 affects the paediatric population less frequently than adults. A retrospective study was performed in a tertiary paediatric hospital in Mexico City in children <18 years of age who were hospitalized with a positive reverse transcription-polymerase chain reaction for SARS-CoV-2. Included in the study were 86 patients with a median age of 10 years old (IQR 2.6–14.3 years), who were classified in three groups: previously healthy, with chronic disease and immunosuppressed patients. The principal signs and symptoms were fever (81%), cough (51%) and headache (35%). A total of 20 patients (23%) required management in the paediatric intensive care unit (PICU) and 17% needed mechanical ventilation for an average of 12.7 days (IQR 2–29 days). There was no statistically significant difference between the three clinical classification groups in those patients admitted to the PICU, most of which were previously healthy patients. The mortality rate was 5% (four patients). Given that the paediatric population is susceptible to infection, potential transmitters and to clinical presentations with variable degrees of severity, it is important to continue reinforcing social distancing measures.
Objectives: Meningococcal meningitis is reported as a rare condition in Mexico. There are no internationally published studies on bacterial causes of meningitis in the country based on active surveillance. This study focuses on finding the etiology of bacterial meningitis in children from nine Mexican Hospitals. Methods: From January 2010 to February 2013, we conducted a three years of active surveillance for meningitis in nine hospitals throughout Mexico. Active surveillance started at the emergency department for every suspected case, and microbiological studies confirmed/ruled out all potentially bacterial pathogens. We diagnosed based on routine cultures from blood and cerebrospinal fluid (not polymerase chain reaction or other molecular diagnostic tests), and both pneumococcal serotyping and meningococcal serogrouping by using standard methods. Results: Neisseria meningitidis was the leading cause, although 75% of cases occurred in the northwest of the country in Tijuana on the US border. Serogroup C was predominant. Streptococcus pneumoniae followed Neisseria meningitides, but was uniformly distributed throughout the country. Serotype 19A was the most incident but before universal implementation of the 13-valent pneumococcal conjugate vaccine. Other bacteria were much less common, including Enterobacteriaceae and Streptococcus agalactiae (these two affecting mostly young infants). Conclusions: Meningococcal meningitis is endemic in Tijuana, Mexico, and vaccination should be seriously considered in that region. Continuous universal vaccination with the 13-valent pneumococcal conjugate vaccine should be nationally performed, and polymerase chain reaction should be included for bacterial detection in all cultures – negative but presumably bacterial meningitis cases.
Background
It has been suggested that low‐risk febrile neutropenia (FN) episodes can be treated in a step‐down manner in the outpatient setting. This recommendation has been limited to implementation in middle‐income countries due to concerns about infrastructure and lack of trained personnel. We aimed to determine whether early step‐down to oral antimicrobial outpatient treatment is not inferior in safety and efficacy to inpatient intravenous treatment in children with low‐risk FN.
Procedure
A noninferiority randomized controlled clinical trial was conducted in three hospitals in Mexico City. Low‐risk FN was identified in children younger than 18 years. After 48 to 72 hours of intravenous treatment, children were randomly allocated to receive outpatient oral treatment (experimental arm, cefixime) or to continue inpatient treatment (standard of care, cefepime). Daily monitoring was performed until neutropenia resolution. The presence of any unfavorable clinical outcome was the endpoint of interest. We performed a noninferiority test for comparison of proportions.
Results
We identified 1237 FN episodes; 117 cases were randomized: 60 to the outpatient group and 57 for continued inpatient treatment. Of the FN episodes, 100% in the outpatient group and 93% in the inpatient group had a favorable outcome (P < 0.001). The mean duration of antibiotics was 4.1 days (SD 2.5; 95% CI, 3.4‐4.8 days) in the outpatient group and 4.4 days (SD 2.5; 95% CI, 3.7‐5.0 days) in the inpatient group (P = 0.70).
Conclusions
In our population, step‐down oral outpatient treatment of low‐risk FN was as safe and effective as inpatient intravenous treatment. Clinical Trials Identifier: NCT04000711.
The genus Helicobacter is classified into two main groups according to its habitat: gastric and enterohepatic. Patients with X-linked agammaglobulinemia (XLA) appear to be associated with invasive infection with enterohepatic non-Helicobacter pylori species (NHPH), mainly H. cinaedi and H. bilis. Such infections are difficult to control and have a high potential for recurrence. The spectrum of illnesses caused by these species includes recurrent fever, bacteremia, arthritis, osteomyelitis, cellulitis, abdominal abscesses, and pyoderma gangrenosum-like ulcer. The presence of these Helicobacters is particularly difficult to diagnose and eradicate, as they are very fastidious bacteria and present resistance to several types of antibiotics. We report two clinical cases of XLA patients infected with H. bilis. These infections were chronic in these patients and could not be eradicated in one of them. We also review the cases of enterohepatic non-Helicobacter pylori species (NHPH) in patients with this inborn error of immunity.
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