Related Experiment Video
Updated: Aug 5, 2026

Visualization of Streptococcus pneumoniae within Cardiac Microlesions and Subsequent Cardiac Remodeling
Published on: April 7, 2015
[The functional sequelae of Mycoplasma pneumoniae pneumonia]
S Romero Candeira1, A Candela Blanes, C Martín Serrano
1Sección de Neumología, Hospital de Alicante, SVS, Universidad de Alicante.
Abstract:
To check the possible existence of long-term pulmonary functional sequelae in patients with pneumonia due to Mycoplasma pneumoniae, 17 patients who showed evident spirometric disorders during the recovery from the acute phase of a pneumonia due to Mycoplasma pneumoniae were studied. In the acute phase of the disease, 7 patients showed a ventilatory restriction, 6 of them had an obstructive pattern while in four patients a mixed pattern was observed. After a latency period, which mean length was 39 months, it was seen that there was a return to normal values of the spirometric conventional parameters initially altered in all cases. However 5 patients (33%) who did not smoke, showed a significant decrease on the maximum flows at low volume. These results suggest that in a high percentage of adult patients, as has been previously described in children, pneumonia due to M. pneumoniae could leave as a sequelae the persistent affectation of small airway.
Insights
Mycoplasma pneumoniae pneumonia can cause long-term lung issues. Even after spirometry normalizes, some adults show persistent small airway obstruction, indicating potential lasting pulmonary sequelae.
Area of Science:
- Pulmonology
- Infectious Diseases
- Respiratory Medicine
Background:
- Pneumonia caused by Mycoplasma pneumoniae is common in both children and adults.
- Pulmonary functional sequelae following Mycoplasma pneumoniae pneumonia are not well-characterized in adults.
- Spirometric abnormalities are often observed during the acute and recovery phases of Mycoplasma pneumoniae pneumonia.
Purpose of the Study:
- To investigate the potential for long-term pulmonary functional sequelae in adult patients recovering from Mycoplasma pneumoniae pneumonia.
- To assess the persistence of spirometric abnormalities after Mycoplasma pneumoniae pneumonia.
Main Methods:
- A cohort of 17 adult patients with Mycoplasma pneumoniae pneumonia and evident spirometric disorders during recovery were studied.
- Spirometry was performed during the acute phase and after a mean latency period of 39 months.
- Pulmonary function parameters, including ventilatory restriction, obstructive patterns, mixed patterns, and maximum flows at low volumes, were analyzed.
Main Results:
- All patients initially showed altered spirometric parameters during the acute phase, including ventilatory restriction, obstructive, and mixed patterns.
- After a mean follow-up of 39 months, conventional spirometric parameters returned to normal in all patients.
- However, 33% of non-smoking patients exhibited a significant decrease in maximum flows at low lung volumes, suggesting small airway dysfunction.
Conclusions:
- Mycoplasma pneumoniae pneumonia may lead to persistent small airway affectation in a significant percentage of adult patients.
- These findings suggest that long-term pulmonary functional sequelae, particularly affecting small airways, can occur after Mycoplasma pneumoniae pneumonia in adults.
- Further research is warranted to understand the clinical implications and management of these persistent changes.
More Related Videos
07:43A Non-invasive and Technically Non-intensive Method for Induction and Phenotyping of Experimental Bacterial Pneumonia in Mice
Published on: September 28, 2016
12:21A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness
Published on: September 28, 2022
Related Concept Videos
Pneumonia I: Introduction
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: Pathophysiology
Pneumonia III: Complications and Assessment
Atypical Pneumonia
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Pneumonia I: Introduction