| 1. |
- Abrahamssom, Peter, et al.
(författare)
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Onlay bone grafting of the mandible after periosteal expansion with an osmotic tissue expander : an experimental study in rabbits
- 2010
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Ingår i: Clinical Oral Implants Research. - : Wiley. - 0905-7161 .- 1600-0501. ; 21:12, s. 1404-1410
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Tidskriftsartikel (refereegranskat)abstract
- Abstract Objectives: To evaluate the space-maintaining capacity of a titanium mesh or a bioresorbable mesh after periosteal expansion and to assess bone formation under a titanium mesh or a bioresorbable mesh on the lateral border of the mandible by qualitative and quantitative histological analysis. Material and methods: In 13 rabbits, a self-inflatable soft tissue expander was placed intraorally, bilaterally under the mandibular periosteum via an extra oral approach. After 2 weeks, the expanders were removed and a particulated onlay bone graft was placed and covered by a titanium mesh or a bioresorbable mesh. After 3 months, the animals were sacrificed and specimens were collected for histology. Results: The osmotic soft tissue expander created a subperiosteal pocket and a ridge of new bone had formed at the edges of the expanded periosteum in all sites. After the healing period of 3 months, soft tissue dehiscence was recorded in two of the sites with bioresorbable meshes. The mean bone fill was 65% under the titanium mesh and 85% under the bioresorbable mesh (P<0.05). There was no significant difference between the titanium mesh and the bioresorbable mesh regarding the height of the meshes, mesh area and mineralized bone area. Scanning electron microscopy shows that new bone is growing in direct contact with the resorbable mesh and the titanium mesh. Conclusion: This study confirms that an osmotic soft tissue expander creates a surplus of periosteum and soft tissue and that new bone can be generated under a titanium mesh or bioresorbable mesh.
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| 2. |
- Abrahamsson, Peter, et al.
(författare)
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Periosteal expansion of rabbit mandible with an osmotic self-inflatable expander
- 2009
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Ingår i: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery. - : Informa Healthcare. - 0284-4311 .- 1651-2073. ; 43:3, s. 121-125
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Tidskriftsartikel (refereegranskat)abstract
- We aimed to evaluate a new technique for intraoral expansion of soft tissue with a self-inflatable expander in rabbits. We placed a self-inflatable soft tissue expander bilaterally in eight rabbits under the periosteum of the mandible through an extraoral approach. The expander was left to self-inflate for two weeks, after which the animals were killed and specimens collected for histological examination. The self-inflatable soft tissue expanders expanded the periosteum. There were no dehiscences or infections. Histological observations showed no signs of any inflammatory reaction and there was no evidence of bony resorption. New bone had formed at the edges of the expanded periosteum. In the control area no new bone had formed. The osmotic soft tissue expander model for intraoral soft tissue and periosteal expansion suggests a promising way of creating a surplus of soft tissue that can be used to cover bone grafts.
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| 3. |
- Arver, Brita, et al.
(författare)
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Bilateral Prophylactic Mastectomy in Swedish Women at High Risk of Breast Cancer: A National Survey.
- 2011
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Ingår i: Annals of surgery. - : Lippincott Williams and Wilkins; 1999. - 1528-1140 .- 0003-4932. ; 253:6, s. 1147-1154
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Tidskriftsartikel (refereegranskat)abstract
- BACKGROUND/OBJECTIVE:: This study attempted a national inventory of all bilateral prophylactic mastectomies performed in Sweden between 1995 and 2005 in high-risk women without a previous breast malignancy. The primary aim was to investigate the breast cancer incidence after surgery. Secondary aims were to describe the preoperative risk assessment, operation techniques, complications, histopathological findings, and regional differences. METHODS:: Geneticists, oncologists and surgeons performing prophylactic breast surgery were asked to identify all women eligible for inclusion in their region. The medical records were reviewed in each region and the data were analyzed centrally. The BOADICEA risk assessment model was used to calculate the number of expected/prevented breast cancers during the follow-up period. RESULTS:: A total of 223 women operated on in 8 hospitals were identified. During a mean follow-up of 6.6 years, no primary breast cancer was observed compared with 12 expected cases. However, 1 woman succumbed 9 years post mastectomy to widespread adenocarcinoma of uncertain origin. Median age at operation was 40 years. A total of 58% were BRCA1/2 mutation carriers. All but 3 women underwent breast reconstruction, 208 with implants and 12 with autologous tissue. Four small, unifocal, invasive cancers and 4 ductal carcinoma in situ were found in the mastectomy specimens. The incidence of nonbreast related complications was low (3%). Implant loss due to infection/necrosis occurred in 21 women (10%) but a majority received a new implant later. In total, 64% of the women underwent at least 1unanticipated secondary operation. CONCLUSIONS:: Bilateral prophylactic mastectomy is safe and efficacious in reducing future breast cancer in asymptomatic women at high risk. Unanticipated reoperations are common. Given the small number of patients centralization seems justified.
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| 4. |
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| 5. |
- Bäckström, Torbjörn, 1948-, et al.
(författare)
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Pathogenesis in menstrual cycle-linked CNS disorders.
- 2003
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Ingår i: Annals of the New York Academy of Sciences. - : Wiley. - 0077-8923 .- 1749-6632. ; 1007, s. 42-53
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Forskningsöversikt (övrigt vetenskapligt/konstnärligt)
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| 6. |
- Dahlin, Jakob, et al.
(författare)
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Chemical burns caused by trifluoroacetic acid.
- 2013
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Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873. ; 69:3, s. 176-180
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Tidskriftsartikel (refereegranskat)abstract
- Trifluoroacetic acid is a very strong carboxylic acid. The acid has been suspected to have similar toxic effects as hydrofluoric acid on skin contact. Hydrofluoric acid is highly toxic, owing to skin penetration by fluoride ions. A spill of hydrofluoric acid on the skin may be fatal. As trifluoroacetic acid contains fluorine, patients with chemical burns caused by trifluoroacetic acid have been given particular attention when treated in the hospital.
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| 7. |
- Dahlin, Jakob, et al.
(författare)
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Several cases of undesirable effects caused by methacrylate ultraviolet-curing nail polish for non-professional use
- 2016
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Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873 .- 1600-0536. ; 75:3, s. 151-156
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Tidskriftsartikel (refereegranskat)abstract
- BackgroundUltraviolet (UV)-curing nail polishes based on acrylates or methacrylates are currently also available for non-professional use. The Swedish Medical Products Agency recently prohibited one brand of UV-curing polish, because several consumers reported undesirable effects after using it. ObjectivesTo investigate whether consumers with undesirable effects after using the UV-curing nail polish that was later prohibited were contact allergic to the polish and its individual ingredients. Materials/MethodsEight patients who had reported severe skin reactions after the use of the UV-curing polish were patch tested with two coatings of the nail polish and its ingredients at five dermatology departments in Sweden. ResultsAll patients tested except one showed contact allergic reactions to one or several of the acrylate-based or methacrylate-based ingredients in the nail polish. ConclusionsThe non-professional use of UV-curing nail polishes poses a risk of sensitization from acrylates and methacrylates.
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| 10. |
- Haraldsson, Katarina, et al.
(författare)
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"Happy when they arrive, happy when they go home" : Focusing on promoting children's mental health creates a sense of trust at preschools
- 2017
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Ingår i: Early years. - : Informa UK Limited. - 0957-5146 .- 1472-4421. ; 37:4, s. 386-399
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Tidskriftsartikel (refereegranskat)abstract
- A need for research on young children’s mental health has been identified. Moreover, there is a need to enhance teachers’ skills regarding health promotion work in preschool. The aim of the study is to examine the impact of a specific course on mental health promotion among Swedish preschool teachers. Data were gathered through interviews and documentation. A qualitative content analysis was used. Three categories: ‘attention’, ‘belonging’ and ‘personal growth’ – and six subcategories emerged from the analysis. The latent content of these categories is described in the theme: ‘Increased awareness, in thoughts and actions, of promoting mental health may create a sense of trust at preschools’. The results show that a specific course to promote mental health enhanced the teachers’ awareness of mental health which improved their work with children. This contributed to the development of a sense of trust at preschools, which is important to children’s mental health.
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