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Incidence of post-tonsillectomy haemorrhaging in Denmark
Marie Louise Blok Juul1, Eva Rye Rasmussen, Michael Frantz Howitz
1mljuul@hotmail.com.
Danish Medical Journal
|August 4, 2020
Summary
Post-tonsillectomy hemorrhage (PTH) rates increased significantly from 1991 to 2012, particularly in males aged 20-40. The highest risk for PTH occurred on the day of surgery and day six.
Area of Science:
- Otorhinolaryngology
- Public Health
- Epidemiology
Background:
- Tonsillectomy is a common ENT procedure with variable post-tonsillectomy hemorrhage (PTH) rates.
- PTH is a significant complication, with reported rates ranging from 0.5% to 33% in previous studies.
Purpose of the Study:
- To investigate the incidence and trends of registered post-tonsillectomy hemorrhage (rPTH) in Denmark.
- To identify demographic and temporal risk factors associated with rPTH.
Main Methods:
- A nationwide, retrospective, registry-based cohort study was conducted.
- Data included 177,211 tonsillectomies performed between 1991 and 2012 in Denmark.
- Analysis focused on registered PTH (rPTH) rates and associated risk factors.
Main Results:
- The overall incidence of rPTH was 5.2% (9,221 cases) from 1991-2012.
- Annual rPTH incidence increased from 3% in 1991 to 13% in 2012.
- Males aged 20-40 years showed a significantly higher risk of rPTH, with incidence rising from 9.0% in 1998 to 16.4% in 2012.
- Peak rPTH incidence occurred on day six post-surgery (14%), with 12% occurring within 24 hours.
Conclusions:
- The rate of registered post-tonsillectomy hemorrhage (rPTH) significantly increased between 1991 and 2012.
- A higher incidence of rPTH was observed in the 20-40 age group and varied geographically.
- The highest risk periods for rPTH were identified as the day of surgery and six days post-operatively.
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