Etiology of community-acquired pneumonia in hospitalized patients in Jordan

Musa K Al-Ali1, Raymond G Batchoun, Tarig M Al-Nour

  • 1Department of Medicine, Faculty of Medicine, Jordan University of Science and Technology, PO Box 3030, Irbid 22110, Jordan. musaali@just.edu.jo

Insights

Community acquired pneumonia (CAP) in Jordan is often caused by Streptococcus pneumoniae and atypical organisms in adults, and atypical organisms in children. Gram-negative bacteria are more common in adults with co-morbidities.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Pulmonology

Background:

  • Community-acquired pneumonia (CAP) is a significant global health concern.
  • Identifying causative pathogens is crucial for effective treatment and public health strategies.

Purpose of the Study:

  • To determine the specific etiological agents responsible for CAP in hospitalized Jordanian patients.
  • To differentiate causative organisms between adult and pediatric CAP cases.

Main Methods:

  • A prospective study was conducted over six months in two teaching hospitals in Irbid, Jordan.
  • Patients diagnosed with CAP, including both adults and children, were enrolled.
  • Sputum cultures were utilized for pathogen identification.

Main Results:

  • Pathogens were identified in 71% of adult CAP cases and 27% of pediatric cases.
  • In adults, Streptococcus pneumoniae was the most frequent isolate, followed by Chlamydia pneumoniae and Haemophilus influenzae.
  • In children, Chlamydia pneumoniae was most common, followed by Mycoplasma pneumoniae and Streptococcus pneumoniae.

Conclusions:

  • Streptococcus pneumoniae and atypical pathogens are primary causes of CAP in healthy Jordanian adults.
  • Gram-negative organisms are more prevalent in adult CAP patients with co-morbidities.
  • The detection rate of causative agents in pediatric CAP was low, with atypical microorganisms predominating.
Abstract

Related Concept Videos

Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:
Pneumonia V: Nursing management and Prevention01:30

Pneumonia V: Nursing management and Prevention

Nursing management of pneumonia involves promoting airway patency, facilitating rest and conserving energy, encouraging fluid intake, maintaining nutrition, and educating patients.
The nurse must practice strict medical asepsis and adhere to infection control guidelines to minimize healthcare-associated infections.
Enhance airway patency
Position the patient correctly to facilitate drainage of the affected lung segments. Manual or mechanical percussion and vibration can also be employed.
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...