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Airway complications of infant botulism: ten-year experience with 60 cases
Timothy D Anderson1, Udayan K Shah, Mark S Schreiner
1Division of Pediatric Otolaryngology, The Children's Hospital of Philadelphia, University of Pennsylvania, 19104-4399, USA.
Insights
Infant botulism can cause airway complications, often linked to high endotracheal tube leak pressures. Managing these complications requires careful monitoring and endoscopic techniques, not routine tracheotomy.
Area of Science:
- Pediatric Pulmonology
- Neonatal Intensive Care
- Pediatric Otolaryngology
Background:
- Infant botulism is a serious condition requiring intensive care.
- Airway complications are a significant concern in intubated infants.
- Understanding the factors contributing to these complications is crucial for management.
Purpose of the Study:
- To investigate the incidence, causes, and management strategies for airway complications in infant botulism.
- To identify risk factors associated with airway complications in this patient population.
Main Methods:
- Retrospective review of medical records from 1987 to 1997.
- Analysis of data from 60 infants diagnosed with botulism at a tertiary care children's hospital.
- Focus on intubation duration, airway complications, and endotracheal tube leak pressures.
Main Results:
- 61.7% of infants required endotracheal intubation for an average of 21 days.
- Airway complications occurred in 13.5% of intubated patients, with 3 requiring bronchoscopy.
- High endotracheal tube leak pressures (>40 cm H2O) were associated with a higher incidence of airway complications.
Conclusions:
- Airway complications in infant botulism are linked to high leak pressures.
- Endoscopic management is effective, and routine tracheotomy is generally not necessary.
- Regular monitoring of leak pressures, aiming for <20-25 cm H2O, is recommended. A prospective study is warranted.
Objective:
The study goal was to understand the incidence, etiology, and management of airway complications in infant botulism.
Methods:
We conducted a retrospective review of the period from January 1, 1987, to December 31, 1997.
Setting:
Urban tertiary care children's hospital.
Results:
Of 60 children with infant botulism, 37 (61.7%) required endotracheal intubation for a mean of 21 days. No patient required a tracheostomy. Airway complications (stridor, subglottic stenosis, granuloma formation) occurred in 5 (13.5%) of 37 patients, with 3 requiring surgical bronchoscopy. Of the 37 children, 14 (37.8%), including 4 with airway complications, had endotracheal tube leak pressures recorded. In 3 (50%) of 6 patients with measured leak pressures of greater than 40 cm H2O, airway complications developed. Complications did not develop in patients with leak pressures of less than 20 cm H2O. No correlation between length of intubation and complications could be established.
Conclusion:
Airway complications in infant botulism may be accompanied by high leak pressures and can be managed with endoscopic techniques. The study data suggest that leak pressures should be measured on a regular basis and maintained at less than 20 to 25 cm H2O. A prospective trial to study this issue is warranted. Tracheotomy is not routinely necessary. A high index of suspicion, early diagnosis, and prompt intervention are required for the optimal management of airway complications in infant botulism.