Recent update in diagnosis and treatment of human pythiosis

Maria Nina Chitasombat1, Passara Jongkhajornpong2, Kaevalin Lekhanont2

  • 1Division of Infectious Disease, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.

Peerj
|March 3, 2020
PubMed

Insights

Human pythiosis, caused by Pythium insidiosum, is a severe infection requiring prompt diagnosis and treatment. Early recognition of clinical signs and appropriate management, including surgery and immunotherapy, are crucial for patient survival.

Area of Science:

  • Infectious Diseases
  • Mycology
  • Oomycete Infections

Background:

  • Human pythiosis is a severe infectious disease caused by the oomycete Pythium insidiosum.
  • The pathogen is found in wet environments, and infection occurs through direct exposure.
  • High morbidity and mortality rates underscore the need for increased awareness and effective interventions.

Purpose of the Study:

  • To review and update current knowledge on the diagnosis and treatment of human pythiosis.
  • To highlight common clinical manifestations, including vascular and ocular pythiosis.
  • To emphasize the importance of early diagnosis and comprehensive management strategies.

Main Methods:

  • Review of existing literature on human pythiosis.
  • Summary of diagnostic approaches including microbiological, serological, molecular, and proteomic assays.
  • Analysis of treatment strategies for vascular and ocular pythiosis.

Main Results:

  • Vascular and ocular pythiosis are common presentations.
  • Early diagnosis relies on recognizing clinical features and laboratory confirmation.
  • Recommended treatment for vascular pythiosis involves surgery, antifungals, and Pythium insidiosum immunotherapy.
  • Penetrating keratoplasty with wide surgical margins is key for ocular pythiosis.

Conclusions:

  • Early diagnosis and prompt, appropriate management are critical for improving patient outcomes in human pythiosis.
  • Continued clinical assessment is vital for monitoring treatment response and detecting recurrence.
  • Increased awareness among healthcare professionals is essential for timely intervention.

Related Concept Videos

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...
437
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...
485
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
229
Fungal Phylum Microsporidia01:28

Fungal Phylum Microsporidia

Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
333