Publications by authors named "Karen Damgaard"

5 Publications

  • Page 1 of 1

Pregnant woman with fatal complication after laparoscopic Roux-en-Y gastric bypass.

Acta Obstet Gynecol Scand 2012 Jul 22;91(7):873-5. Epub 2012 May 22.

Department of Obstetrics and Gynaecology, Hvidovre Hospital, University Hospital of Copenhagen, Copenhagen, Denmark.

In Europe, an increasing number of women have bariatric surgery; therefore, obstetricians are likely to encounter these patients. We report a 22-year-old woman, who had previously undergone uncomplicated laparoscopic Roux-en-Y gastric bypass. She was admitted with severe abdominal pain at 35 weeks of gestation. A cesarean section with delivery of a healthy baby in combination with an exploratory laparotomy was performed. Internal herniation was suspected, but not identified during surgery. Three days later she died of a severely gangrenous small bowel secondary to internal herniation. This fatal case illustrates a potential complication and difficulties in the management of pregnant women who have undergone Roux-en-Y gastric bypass. In these women, observation and investigations based on a multidisciplinary approach are vital if abdominal pain develops, with involvement of intestinal surgeons experienced in bariatric surgery, as well as radiologists with specific knowledge of relevant imaging procedures.
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http://dx.doi.org/10.1111/j.1600-0412.2012.01421.xDOI Listing
July 2012

Frequency, treatment, and functional outcome in children with hypersensitivity pneumonitis.

Pediatr Pulmonol 2011 Nov 26;46(11):1098-107. Epub 2011 May 26.

Danish ChILD Center, Pediatric Pulmonary Service, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.

Background: Hypersensitivity pneumonitis is a rare interstitial lung disease and very few data regarding frequency, treatment and outcome exist for children. Children identified with hypersensitivity pneumonia from a Danish national cohort with diffuse interstitial lung disease form the basis of this study focused on disease frequency, treatment, and functional outcome.

Methods: Seventy-three children with clinical and radiological signs of interstitial lung disease verified by lung biopsy were identified over a 12-year period. Histologic material from all cases was reviewed by pathologists from the ChILD Clinical and Research Network, USA. Diagnosis of hypersensitivity pneumonitis was confirmed in 19 cases.

Measurements And Main Results: Incidence of hypersensitivity pneumonitis was approximately 2/year and with a point prevalence of 4/1,000,000 children. The median (range) number of monthly courses with intravenous methylprednisolone was 15 courses (8-34) in resolved cases, but in the vast majority (92%), mono-therapy with high dose pulse methylprednisolone treatment was not sufficient for acceptable improvement. Lung function, DLco and DLco/VA increased significantly after 3 and 6 months of treatment compared to baseline (P < 0.05). However, without reaching normal values [mean SDS (range) FEV(1) -0.66 (-1.88 to 0.41) and FVC -0.67(-1.94 to 0)]. No mortality was seen.

Conclusions: Incidence and point prevalence of hypersensitivity pneumonitis in Denmark was 2/year and 4/1.000.000 children. High dose intravenous methylprednisolone constituted the basic treatment, but in most cases supplemental anti-inflammatory therapy was necessary. Outcome was acceptable without any mortality. Nevertheless, both lung function and diffusion capacity were in subnormal level though without any clinically functional impact.
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http://dx.doi.org/10.1002/ppul.21479DOI Listing
November 2011

Fourteen-year-old girl with endobronchial carcinoid tumour presenting with asthma and lobar emphysema.

Clin Respir J 2010 Apr;4(2):120-4

Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet, Copenhagen University Hospital, København Ø, Denmark.

Introduction: Bronchial carcinoid tumours seldom occur in children, and represent a rare cause of pulmonary obstruction. Because of low clinical suspicion and the variable ways of presentation, diagnosis may be delayed.

Objectives: We report on a patient with this tumour. It is hoped that increased awareness of the tumour can lead to earlier diagnosis.

Methods: Report of a case.

Results: This case describes a 14-year-old previously healthy girl, presenting with asthma-like symptoms throughout 2 years, decreased lung function and emphysema in left lower lobe on chest x-ray. Computerized tomography (CT) showed an intraluminal process in the left main bronchus and emphysema in both the upper and lower left lobe and showed no signs of metastasis or spread to lung tissue. Bronchoscopy showed an inflammatory polyp. Surgical resection demonstrated a typical carcinoid tumour. Later control biopsy revealed no persisting malignant tissue. The asthma symptoms returned and a new bronchoscopy showed scarring and narrowing of the left bronchus. Treatment comprised of dilatation by bronchoscopy plus daily combination corticosteroids and beta-2-agonist inhalation and the symptoms improved. No signs of relapse 16 months postdiagnosis.

Conclusions: The case clearly shows the delay, which is common in the diagnosis of children with bronchial carcinoid tumours. Symptoms of the obstructive nature of the tumour are variable and might present as emphysema seen on x-ray and CT. Carcinoid tumour should be considered in children with longstanding pulmonary symptoms with no response to conventional treatment. Prognosis is good but long-term follow up is needed.
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http://dx.doi.org/10.1111/j.1752-699X.2009.00149.xDOI Listing
April 2010

Early puberty in internationally adopted girls: hormonal and clinical markers of puberty in 276 girls examined biannually over two years.

Horm Res 2009 29;72(4):236-46. Epub 2009 Sep 29.

Department of Growth and Reproduction GR-5064, University Hospital of Copenhagen, Rigshospitalet, Copenhagen, Denmark.

Background And Aims: Retrospective studies have indicated that internationally adopted girls are at high risk of developing precocious puberty. Hypothetically, this could be due to selection bias. The aim of this study was to determine age at reaching pubertal milestones in healthy internationally adopted girls in a prospective, clinical study.

Methods: A longitudinal cohort study including 276 randomly recruited internationally adopted girls. At baseline, age ranged from 4 to 13 years. Participants were followed with biannual examinations over a period of 2 years. Examinations included height, weight, Tanner staging, blood sampling and bone age assessment. Age distribution at entering pubertal stages B2-B5 (breast development), PH1-PH5 (pubic hair development) and menarche was estimated by probit analysis. Data were compared to a reference population of Danish-born girls, studied cross-sectionally.

Results: Mean age at B2+ was 9.5 years (95% prediction interval 7.1-12.0 years) and mean age at menarche was 12.1 (10.2-14.0) years in adopted girls, which was significantly lower compared to the reference group (p < 0.0003). 16% of adopted girls entered stage B2 before 8 years of age. The puberty-related rise in LH, FSH and estradiol was detected at earlier ages in adopted girls compared to the reference group.

Conclusion: Internationally adopted girls have a significantly higher risk of precocious pubertal maturation compared to Danish-born girls.
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http://dx.doi.org/10.1159/000236085DOI Listing
December 2009

Early pituitary-gonadal activation before clinical signs of puberty in 5- to 8-year-old adopted girls: a study of 99 foreign adopted girls and 93 controls.

J Clin Endocrinol Metab 2007 Jul 1;92(7):2538-44. Epub 2007 May 1.

Department of Growth and Reproduction, University Hospital of Copenhagen, Rigshospitalet, DK-2100 Copenhagen, Denmark.

Context: Recent studies have indicated that internationally adopted girls are at high risk of developing precocious puberty. Clinical studies including a contemporary control group are lacking.

Objective: The objective was to study clinical, biochemical, and ultrasonographic markers of pituitary-gonadal activation in prepubertal adopted girls and a control group in the same age categories.

Setting: The study took place at University Hospital, Copenhagen, Denmark.

Design And Participants: The study included randomly selected internationally adopted girls [(n = 99; mean age, 6.9 (5.1-8.5) yr] and controls of Danish origin [n = 93; mean age, 6.8 (5.2-8.5) yr] who were studied cross-sectionally.

Methods: Height, weight, and pubertal stage were assessed with serum levels of reproductive hormones. Size and morphology of internal genitals were evaluated by ultrasonography. Bone age was evaluated by x-ray of the left hand.

Results: Serum values of FSH were significantly higher in prepubertal adopted girls compared with controls [median, 1.4 (95% confidence interval, 0.4-3.6) vs. 1.0 (0.4-2.4) IU/liter; P <0.001]. Serum estradiol was above detection limit (>18 pmol/liter) in 46.5% of prepubertal adopted girls and 20.7% of controls (P = 0.001). In prepubertal adopted girls, the proportion of measurable samples increased significantly with age [odds ratio, 2.5 (95% confidence interval, 1.3-5.0; P = 0.009]. In controls, the odds ratio was 1.0 (0.6-1.7) (P = 0.9). Serum SHBG levels were significantly lower in prepubertal adopted girls compared with controls [99.0 (50.4-153.0) vs. 115.0 (53.1-202.1); P < 0.001].

Conclusion: Five- to 8-yr-old adopted girls showed signs of increased pituitary as well as gonadal activity despite prepubertal phenotype in the majority of girls. Our findings suggest that early onset of puberty in adopted girls is centrally driven.
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http://dx.doi.org/10.1210/jc.2006-2096DOI Listing
July 2007
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