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Lateral sinus thrombosis in otology: a review
B Viswanatha1, Khaja Naseeruddin
1Professor of ENT, Victoria Hospital, Bangalore Medical College & Research Institute, Bangalore., INDIA.
Abstract:
Lateral sinus thrombosis (LST) is usually occurs as a complication of middle ear infection. The involvement of lateral sinus during the course of ear infection was a well known complication in preantibiotic days. The decrease in the incidence of LST is due to the introduction of broad-spectrum antibiotics, early diagnosis and surgical treatment. Now, it is a rare complication of otitis media and poses a serious threat that warrants immediate medical and surgical treatment. The classical clinical picture is often changed by previous antibiotic therapy. An awareness of this rare potentially devastating condition and its varied presentations is necessary for early diagnosis and treatment. LST can also occur after head injury.Anticoagulants are recommended in cases LST, where there is propagation of thrombus after surgery. The use of anticoagulants is not apart of standard care of patients with LST and was more common prior to the advent of antibiotics. Anticoagulants arrests the spread of thrombosis but may increase the risk of venous infarctions and should be used cautiously.
Insights
Lateral sinus thrombosis (LST), a rare complication of middle ear infections, requires prompt medical and surgical intervention. Awareness of its varied presentations is crucial for early diagnosis and effective treatment.
Area of Science:
- Otolaryngology
- Neurology
- Infectious Diseases
Background:
- Lateral sinus thrombosis (LST) is a rare but serious complication, historically linked to middle ear infections.
- Antibiotic advancements have reduced LST incidence, yet it remains a significant threat requiring urgent management.
- LST can also arise secondary to head trauma.
Purpose of the Study:
- To highlight the importance of recognizing LST, a rare complication of otitis media.
- To discuss the diagnostic challenges posed by altered clinical presentations due to prior antibiotic use.
- To review management strategies, including the cautious use of anticoagulants.
Main Methods:
- Literature review of LST cases and historical data.
- Analysis of clinical presentations and diagnostic criteria.
- Evaluation of treatment modalities, including surgical and anticoagulant therapies.
Main Results:
- LST incidence has decreased due to antibiotics and early interventions.
- Classical symptoms may be masked by prior antibiotic treatment, complicating diagnosis.
- Anticoagulants are considered for thrombus propagation post-surgery but carry risks.
Conclusions:
- Early diagnosis and prompt medical/surgical treatment are vital for LST.
- Clinicians must maintain awareness of LST's varied presentations, even in the antibiotic era.
- Anticoagulant use in LST requires careful consideration due to potential risks.
