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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Surgery, gonadotropin-releasing hormone agonist downregulation and in vitro fertilisation in women with infertility and endometriomas

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  1. Reduction in maternal mortality in Denmark over three decades

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  2. An audit of 70 maternal deaths

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  3. Criteria-based dispatch of emergency medical services in non-traumatic subarachnoid haemorrhage

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  4. Characteristics of patients reporting symptoms by open-ended questions in specialist palliative care

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  1. The effects of selected inhibitors on human fetal adrenal steroidogenesis differs under basal and ACTH-stimulated conditions

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  2. A systematic review and meta-analysis on the association between ICSI and chromosome abnormalities

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  3. Parenthood among men diagnosed with cancer in childhood and early adulthood: trends over time in a Danish national cohort

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  4. Changes in abdominal subcutaneous adipose tissue phenotype following menopause is associated with increased visceral fat mass

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INTRODUCTION: Tonsillectomy is one of the most common procedures in the field of ear, nose and throat procedures. In 2012, the annual incidence in Denmark was 129.4 per 100,000 inhabitants. A common complication is post-tonsillectomy haemorrhaging (PTH). The overall PTH rates vary widely among studies ranging from 0.5% to 33%.

METHODS: This was a nationwide open-population, retrospective and registry-based cohort study in Danes who underwent tonsillectomy complicated by PTH in hospitals and private otorhinolaryngology (ORL) offices in the period from 1991 to 2012.

RESULTS: In the 1991-2012 period, a total of 177,211 tonsillectomies were performed among which 9,221 had a registered PTH (rPTH) (5.2%). The annual incidence rate of rPTH increased from 3% in 1991 to 13% in 2012 (p less-than 0.05). Males aged 20-40 years had a significantly higher risk of rPTH with the highest increase in rPTH incidence rates from 9.0% in 1998 to 16.4% in 2012 (p less-than 0.05). Approx. 12% had a primary rPTH within the first 24 hours; the maximum incidence of rPTH was on day six (14%).

CONCLUSIONS: The rate of rPTH increased from 1991 to 2012 in hospitals and in private ORL office settings alike. There was a significantly higher rate of rPTH in the age group of 20-40 years and a significant geographical difference in rPTH. The highest risk of rPTH was observed on the day of surgery and on day six.

TRIAL REGISTRATION: The Danish Data Protection Agency (record number 2012-41-0158) approved this study.

FUNDING: The Olga Bryde Nielsen Foundation and H. Skouby & E. Skouby's Foundation supported this study financially.

Original languageEnglish
JournalDanish Medical Journal
Volume67
Issue number9
ISSN1603-9629
Publication statusPublished - 7 Aug 2020

ID: 61425612