Poor outcome is associated with delayed tuberculosis diagnosis in HIV-infected children in Baja California, Mexico

R M Viani1, G Lopez, E Chacón-Cruz

  • 1Department of Clinical Pediatrics, Division of Infectious Diseases, Center for AIDS Research, School of Medicine, University of California San Diego, San Diego, La Jolla, California 92093-0672, USA. rviani@ucsd.edu

Insights

Tuberculosis (TB) is a significant health concern for children with human immunodeficiency virus (HIV) in Baja California, Mexico, leading to high rates of illness and death.

Area of Science:

  • Pediatric Infectious Diseases
  • Public Health
  • HIV/AIDS Research

Background:

  • Tuberculosis (TB) remains a critical opportunistic infection in children with human immunodeficiency virus (HIV).
  • Understanding the specific burden of TB in HIV-infected pediatric populations is essential for targeted interventions.

Purpose of the Study:

  • To investigate the morbidity and mortality rates of tuberculosis in children with HIV in Baja California, Mexico.
  • To characterize the clinical presentation and diagnostic challenges of TB in this vulnerable population.

Main Methods:

  • A retrospective review of medical records was conducted for children with perinatally acquired HIV infection diagnosed with TB between 1998 and 2007.
  • The Stegen-Toledo (ST) clinical criteria were utilized for TB diagnosis.

Main Results:

  • Of 73 HIV-infected children, 13 (18%) were diagnosed with TB. The mean age at TB diagnosis was 5.3 years.
  • Common symptoms included cough (92%) and anorexia (85%). Disseminated TB occurred in 54% of cases.
  • Five children (39%) died due to TB, highlighting significant mortality.

Conclusions:

  • Tuberculosis poses a substantial threat to HIV-infected children in Baja California, characterized by high morbidity and mortality.
  • Increased hospital utilization was noted, emphasizing the severity of TB in this cohort.
  • Urgent public health strategies are needed to mitigate TB impact in HIV-positive children.
Abstract

Related Concept Videos

Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Tuberculosis01:23

Tuberculosis

Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...