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Various Presentations of Scrub Typhus: A Case Series
Vasu Saini1, Sana Irfan Khan2, Anita Vincent3
1Pediatrics, Shri Guru Ram Rai Institute of Medical and Health Science, Dehradun, IND.
Abstract:
Scrub typhus is caused by Orientia tsutsugamushi, a Gram-negative coccobacillus. It comprises three strains: Karp, Gilliam, and Kato. Cases of scrub typhus are usually found in the Asia-Pacific region, and their presentation may range from minimal symptoms to multi-organ involvement, with or without the presence of an eschar mark. Varying manifestations of scrub typhus, such as gangrene, meningoencephalitis, anemia with jaundice, and hematuria, have been observed. In the Kumaun region of northern India, there has been a surge in the number of scrub typhus cases. Typically, this disease is accompanied by an eschar mark, but occasionally it can manifest without one. We report a series of four cases presenting with various unusual symptoms such as gangrene of the limbs, meningoencephalitis, jaundice, and hematuria. Serology for scrub typhus should be considered in all patients with acute febrile illness not responding to treatment, especially in mountainous regions, to prevent the associated mortality.
Insights
Scrub typhus, caused by Orientia tsutsugamushi, presents diverse symptoms, sometimes without the typical eschar. Early serology is crucial for acute febrile illness, especially in endemic areas, to prevent severe outcomes.
Area of Science:
- Infectious Diseases
- Microbiology
- Epidemiology
Background:
- Scrub typhus is an infectious disease caused by Orientia tsutsugamushi, a Gram-negative coccobacillus.
- The disease is prevalent in the Asia-Pacific region and presents with varied symptoms, including the presence or absence of an eschar.
Observation:
- A surge in scrub typhus cases has been noted in the Kumaun region of northern India.
- Unusual presentations, such as limb gangrene, meningoencephalitis, jaundice, and hematuria, were observed in four patients.
- The typical eschar mark was absent in some cases, highlighting atypical disease manifestations.
Findings:
- Orientia tsutsugamushi infection can manifest with severe and uncommon symptoms beyond the classic presentation.
- The absence of an eschar does not rule out scrub typhus, necessitating broader diagnostic considerations.
- The study highlights the variability in scrub typhus presentation, including severe complications.
Implications:
- Consider scrub typhus serology for patients with acute febrile illness unresponsive to treatment, particularly in mountainous regions.
- Early diagnosis and appropriate management of scrub typhus are essential to reduce morbidity and mortality.
- Increased awareness of atypical scrub typhus presentations is needed for timely intervention and improved patient outcomes.
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