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Albiol T, Herranz L, Riera E, Dalibart C, Lind T, Del Corno A, Kärkelä T, Losch N, Azambre B, Mun C, Cantrel L. Main results of the European PASSAM project on severe accident source term mitigation. ANN NUCL ENERGY 2018. [DOI: 10.1016/j.anucene.2018.02.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Uggla C, Lindh V, Lind T, Lindkvist M. IMPACT-III is a valid and reliable questionnaire for assessing health-related quality of life in Swedish children with inflammatory bowel disease. Acta Paediatr 2018; 107:347-353. [PMID: 29032599 DOI: 10.1111/apa.14119] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 08/23/2017] [Accepted: 10/11/2017] [Indexed: 12/13/2022]
Abstract
AIM This study examined the reliability, validity and factor structure of the Swedish version of the IMPACT-III questionnaire for assessing health-related quality of life in children with inflammatory bowel disease. METHODS We recruited 202 participants aged eight to 18 years, who were enrolled from 16 of the 23 paediatric gastroenterology clinics across Sweden during 2010-2013. This cross-sectional study compared two versions of the IMPACT-III questionnaire - one with six factors and 35 items and one with four factors and 19 items - plus the Paediatric Quality of Life Inventory 4.0 Generic Core Scale. Disease activity was assessed and defined as active or inactive. RESULTS The mean total score for the six-factor IMPACT-III scale was 143.7/175, with a standard deviation (SD) of 17.9. There was a significant difference in mean total scores between the 133 children with inactive disease (147.8, SD: 14.9) and the 52 with active disease (133.0, SD: 20.3). Confirmatory factor analysis showed that the four-factor scale was more robust than the original six-factor scale. Concurrent validity and discriminant validity were high for both versions. CONCLUSION The Swedish version of the IMPACT-III questionnaire was valid and reliable, but the shorter, four-factor version is quicker and may be more convenient in clinical settings.
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Persson E, Waernbaum I, Lind T. Estimating marginal causal effects in a secondary analysis of case-control data. Stat Med 2017; 36:2404-2419. [PMID: 28276084 DOI: 10.1002/sim.7277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 01/26/2017] [Accepted: 02/18/2017] [Indexed: 11/08/2022]
Abstract
When an initial case-control study is performed, data can be used in a secondary analysis to evaluate the effect of the case-defining event on later outcomes. In this paper, we study the example in which the role of the event is changed from a response variable to a treatment of interest. If the aim is to estimate marginal effects, such as average effects in the population, the sampling scheme needs to be adjusted for. We study estimators of the average effect of the treatment in a secondary analysis of matched and unmatched case-control data where the probability of being a case is known. For a general class of estimators, we show the components of the bias resulting from ignoring the sampling scheme and demonstrate a design-weighted matching estimator of the average causal effect. In simulations, the finite sample properties of the design-weighted matching estimator are studied. Using a Swedish diabetes incidence register with a matched case-control design, we study the effect of childhood onset diabetes on the use of antidepressant medication as an adult. Copyright © 2017 John Wiley & Sons, Ltd.
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Öhlund I, Lind T, Hernell O, Silfverdal SA, Karlsland Åkeson P. Increased vitamin D intake differentiated according to skin color is needed to meet requirements in young Swedish children during winter: a double-blind randomized clinical trial. Am J Clin Nutr 2017; 106:105-112. [PMID: 28615261 DOI: 10.3945/ajcn.116.147108] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 05/09/2017] [Indexed: 11/14/2022] Open
Abstract
Background: Dark skin and low exposure to sunlight increase the risk of vitamin D insufficiency in children.Objective: The aim of the study was to evaluate the amount of vitamin D needed to ascertain that most children >4 y of age attain sufficient serum 25-hydroxyvitamin D [S-25(OH)D; i.e., ≥50 nmol/L] during winter regardless of latitude and skin color.Design: In a longitudinal, double-blind, randomized, food-based intervention study, 5- to 7-y-old children from northern (63°N) and southern (55°N) Sweden with fair (n = 108) and dark (n = 98) skin were included. Children, stratified by skin color by using Fitzpatrick's definition, were randomly assigned to receive milk-based vitamin D3 supplements that provided 2 (placebo), 10, or 25 μg/d during 3 winter months.Results: Mean daily vitamin D intake increased from 6 to 17 μg and 26 μg in the intervention groups supplemented with 10 and 25 μg, respectively. In the intention-to-treat analysis, 90.2% (95% CI: 81.1%, 99.3%) of fair-skinned children randomly assigned to supplementation of 10 μg/d attained sufficient concentrations, whereas 25 μg/d was needed in dark-skinned children to reach sufficiency in 95.1% (95% CI: 88.5%, 100%). In children adherent to the study product, 97% (95% CI: 91.3%, 100%) and 87.9% (95% CI: 76.8%, 99%) of fair- and dark-skinned children, respectively, achieved sufficient concentrations if supplemented with 10 μg/d. By using 95% prediction intervals for 30 and 50 nmol S-25(OH)D/L, intakes of 6 and 20 μg/d are required in fair-skinned children, whereas 14 and 28 μg/d are required in children with dark skin.Conclusion: Children with fair and dark skin require vitamin D intakes of 20 and 28 μg/d, respectively, to maintain S-25(OH)D ≥50 nmol/L, whereas intakes of 6 and 14 μg/d, respectively, are required to maintain concentrations ≥30 nmol/L during winter. This trial was registered at clinicaltrials.gov as NCT01741324.
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Mastracci L, Fiocca R, Engstrom C, Attwood S, Ell C, Galmiche JP, Hatlebakk JG, Långström G, Eklund S, Lind T, Lundell L. Editorial: the diminishing returns of normalisation of the oesophageal mucosa-Authors' reply. Aliment Pharmacol Ther 2017; 46:73-74. [PMID: 28589583 DOI: 10.1111/apt.14118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
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Mastracci L, Fiocca R, Engström C, Attwood S, Ell C, Galmiche JP, Hatlebakk JG, Långström G, Eklund S, Lind T, Lundell L. The dynamics of the oesophageal squamous epithelium 'normalisation' process in patients with gastro-oesophageal reflux disease treated with long-term acid suppression or anti-reflux surgery. Aliment Pharmacol Ther 2017; 45:1339-1349. [PMID: 28326569 DOI: 10.1111/apt.14038] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 10/20/2016] [Accepted: 02/20/2017] [Indexed: 12/13/2022]
Abstract
BACKGROUND Proton pump inhibitors and laparoscopic anti-reflux surgery (LARS) offer long-term symptom control to patients with gastro-oesophageal reflux disease (GERD). AIM To evaluate the process of 'normalisation' of the squamous epithelium morphology of the distal oesophagus on these therapies. METHODS In the LOTUS trial, 554 patients with chronic GERD were randomised to receive either esomeprazole (20-40 mg daily) or LARS. After 5 years, 372 patients remained in the study (esomeprazole, 192; LARS, 180). Biopsies were taken at the Z-line and 2 cm above, at baseline, 1, 3 and 5 years. A severity score was calculated based on: papillae elongation, basal cell hyperplasia, intercellular space dilatations and eosinophilic infiltration. The epithelial proliferative activity was assessed by Ki-67 immunohistochemistry. RESULTS A gradual improvement in all variables over 5 years was noted in both groups, at both the Z-line and 2 cm above. The severity score decreased from baseline at each subsequent time point in both groups (P < 0.001, all comparisons), attaining a normal level by 5 years. Corresponding decreases in Ki-67 expression were observed (P < 0.001, all comparisons). No significant differences were found between esomeprazole treatment and LARS. Neither baseline severity score nor Ki-67 expression predicted the risk of treatment failure. CONCLUSIONS Five years of treatment is generally required before squamous epithelial cell morphology and proliferation are 'normalised' in patients with chronic GERD, despite endoscopic and symptomatic disease control. Control of the acid component of the refluxate seems to play the predominant role in restoring tissue morphology.
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Englund H, Lidén K K, Lind T, Sundström T, Karling P. Radiation exposure in patients with inflammatory bowel disease and irritable bowel syndrome in the years 2001-2011. Scand J Gastroenterol 2017; 52:300-305. [PMID: 27832710 DOI: 10.1080/00365521.2016.1252945] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES To compare cumulative ionizing radiation in patients with inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS) for the years 2001-2011. To study how radiation exposure change over time in patients with newly diagnosed IBD and factors associated with radiation exposure. MATERIAL AND METHODS All radiological investigations performed between 1 January 2001 and 31 December 2011 were retrospectively recorded in patients with Crohn's disease (CD) (n = 103), ulcerative colitis (UC) (n = 304) and IBS (n = 149). Analyses were done with Mann-Whitney and Chi-Square test. RESULTS The median total cumulative radiation exposure in mSv for CD (20.0, inter quartile range (IQR) 34.8), UC (7.01, IQR 23.8), IBS (2.71, IQR 9.15) and the proportion of patients who had been exposed for more than 50 mSv during the study period (CD 19%, UC 11%, IBS 3%) were significantly higher in the patients with CD compared to patients with UC (p < .001) and IBS (p < .001), respectively. In turn, patients with UC had significantly higher doses than patients with IBS (p = .005). Risk factors for radiation exposure were female gender (CD), early onset (UC), ileocolonic location (CD), previous surgery (CD and UC), depression (IBS) and widespread pain (IBS). In newly diagnosed CD, there was a significant decline in median cumulative radiation dose in mSv (17.2 vs. 12.0; p = .048) during the study period. CONCLUSIONS Patients with CD are at greatest risk for high cumulative radiation exposure, but there is a decline in exposure during the late 2000s. Non-colectomized patients with UC and patients with IBS have a relatively low risk of cumulative radiation exposure.
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Ekström S, Magnusson J, Kull I, Lind T, Almqvist C, Melén E, Bergström A. Maternal body mass index in early pregnancy and offspring asthma, rhinitis and eczema up to 16 years of age. Clin Exp Allergy 2015; 45:283-91. [PMID: 24807420 PMCID: PMC4296237 DOI: 10.1111/cea.12340] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Revised: 04/15/2014] [Accepted: 04/23/2014] [Indexed: 01/20/2023]
Abstract
Background Maternal obesity has been linked to offspring asthma; however, other allergy-related diseases, as well as the association beyond early school age, are largely unstudied. Objective To examine the associations between maternal body mass index (BMI) in pregnancy and offspring asthma, rhinitis, eczema and sensitization up to 16 years of age. Methods A total of 3294 children from the Swedish birth cohort BAMSE were included in the analyses. Maternal BMI was assessed around week 10 in pregnancy. Information on asthma, rhinitis, eczema, lifestyle factors and environmental exposures was obtained by parental questionnaires at 1, 2, 4, 8, 12 and 16 years. Sensitization was defined from IgE levels of inhalant allergens at 4, 8 and 16 years in a subsample of 2850 children. Generalized estimated equation models were used to analyse the associations between maternal BMI and the outcomes at 1–16 years. Results Maternal BMI was positively associated with overall risk of asthma up to age of 16 years (adj OR per 5 kg/m2 increase: 1.23; 95% CI 1.07–1.40 for prevalent asthma) excluding underweight mothers. In contrast, no significant associations were found for rhinitis, eczema or sensitization. The association with asthma was restricted to obese, rather than overweight mothers, but was attenuated when adjusting for overweight in the offspring. A causal inference test at 16 years further indicated that the child’s own overweight is a mediator in the suggested association between maternal BMI and offspring asthma at 16 years. Conclusions and Clinical Relevance Maternal BMI is associated with an increased risk of asthma, but not rhinitis, eczema or sensitization; however, overweight in the offspring seems to have a mediating role. Prevention strategies of maternal pre-pregnancy and childhood obesity might be important to reduce the prevalence of childhood asthma.
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Attwood SE, Ell C, Galmiche JP, Fiocca R, Hatlebakk JG, Hasselgren B, Långström G, Jahreskog M, Eklund S, Lind T, Lundell L. Long-term safety of proton pump inhibitor therapy assessed under controlled, randomised clinical trial conditions: data from the SOPRAN and LOTUS studies. Aliment Pharmacol Ther 2015; 41:1162-74. [PMID: 25858519 DOI: 10.1111/apt.13194] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 10/17/2014] [Accepted: 03/19/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Control of chronic gastro-oesophageal reflux disease may be achieved either by anti-reflux surgery (ARS) or by long-term medical therapy with proton pump inhibitors (PPIs). The primary efficacy results of the SOPRAN study, comparing long-term omeprazole use with open ARS, and the LOTUS study, comparing long-term esomeprazole use with laparoscopic ARS, have been reported. A secondary objective of these studies was to address the long-term safety of these respective therapeutic strategies and thereby provide a valid scientific platform for assessing long-term PPI safety. AIM To assess the safety of long-term PPI therapy with omeprazole and esomeprazole through analyses of data from the randomised SOPRAN and LOTUS studies. METHODS Safety data were collected from patients during the 12-year period of the SOPRAN study (n = 298) and the 5-year period of the LOTUS study (n = 514). Reported serious adverse events (SAEs) and changes in laboratory variables were analysed. RESULTS Across both studies, SAEs were reported at a similar frequency in the PPI and ARS treatment groups. Taking the time frames into consideration, the number of fatal SAEs in the two studies was low in both treatment groups. Laboratory results, including routine haematology and tests for liver enzymes, electrolytes, vitamin D, vitamin B12 , folate and homocysteine, showed no clinically relevant changes over time. As expected, gastrin and chromogranin A were elevated in the PPI groups, with the greatest increases observed in the first year. CONCLUSION No major safety concerns arose during 5-12 years of continuous PPI therapy. (ClinicalTrials.gov: NCT00251927 and NCT00256737).
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Hansson L, Öhlund I, Lind T, Stecksén-Blicks C, Rydberg A. Dietary intake in infants with complex congenital heart disease: a case-control study on macro- and micronutrient intake, meal frequency and growth. J Hum Nutr Diet 2014; 29:67-74. [DOI: 10.1111/jhn.12285] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ihalainen M, Lind T, Ruusunen J, Tiitta P, Lähde A, Torvela T, Jokiniemi J. Experimental study on bounce of submicron agglomerates upon inertial impaction. POWDER TECHNOL 2014. [DOI: 10.1016/j.powtec.2014.08.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Grevstad U, Mathiesen O, Lind T, Dahl J. Effect of adductor canal block on pain in patients with severe pain after total knee arthroplasty: a randomized study with individual patient analysis. Br J Anaesth 2014; 112:912-9. [DOI: 10.1093/bja/aet441] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Prawirohartono EP, Nyström L, Nurdiati DS, Hakimi M, Lind T. The impact of prenatal vitamin A and zinc supplementation on birth size and neonatal survival - a double-blind, randomized controlled trial in a rural area of Indonesia. INT J VITAM NUTR RES 2013; 83:14-25. [PMID: 24220161 DOI: 10.1024/0300-9831/a000141] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Prenatal supplementation with micronutrients may increase birth weight and thus improve infant health and survival in settings where infants and children are at risk of micronutrient deficiencies. OBJECTIVE To assess whether vitamin A and/or zinc supplementation given during pregnancy can improve birth weight, birth length, neonatal morbidity, or infant mortality. METHODS A double-blind, randomized controlled trial supplementing women (n = 2173) in Central Java, Indonesia throughout pregnancy with vitamin A, zinc, combined vitamin A+zinc, or placebo. RESULTS Out of 2173 supplemented pregnant women, 1956 neonates could be evaluated. Overall, zinc supplementation improved birth length compared to placebo or combined vitamin A+zinc (48.8 vs. 48.5 cm, p = 0.04); vitamin A supplementation improved birth length compared to placebo or combined vitamin A+zinc (48.7 vs. 48.2 cm, p = 0.04). These effects remained after adjusting for maternal height, pre-pregnancy weight, and parity. There was no effect of supplementation on birth weight, the proportion of low birth weight, neonatal morbidity, or mortality. CONCLUSIONS Prenatal zinc or vitamin A supplementation demonstrates a small but significant effect on birth length, but supplementation with zinc, vitamin A or a combination of zinc and vitamin A, have no effect on birth weight, neonatal morbidity, or mortality.
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Westman M, Kull I, Lind T, Melén E, Stjärne P, Toskala E, Wickman M, Bergström A. The link between parental allergy and offspring allergic and nonallergic rhinitis. Allergy 2013; 68:1571-8. [PMID: 24117663 DOI: 10.1111/all.12267] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2013] [Indexed: 12/13/2022]
Abstract
BACKGROUND Parental allergy-related disease increases the risk for rhinitis, but it remains unknown how different phenotypes of parental allergy affect this risk. The aim of this study was to investigate how parental hay fever, asthma, and eczema affect the risk of allergic rhinitis (AR) and nonallergic rhinitis (NAR) at 8 years of age. METHODS Information on 2413 children from a population-based birth cohort was used combining questionnaire data and IgE to inhalant allergens. Logistic regression was used to estimate the association between parental allergy-related disease and AR and NAR. In addition, cluster analysis was used to search for latent phenotypes of heredity likely to be associated with AR and NAR. RESULTS At age 8 years, 13.8% of the children had AR, while 6.4% had NAR. Parental isolated hay fever increased the odds of AR (OR 2.2, 95% CI 1.6-3.2), whereas isolated asthma or eczema did not. The odds of NAR increased when one parent had two or more allergy-related diseases. In the cluster analysis, the highest proportion of AR, 37.5%, was seen in a cluster where both parents had hay fever and pollen allergy and that of NAR, 11.0%, in a cluster where one parent had hay fever, pollen allergy, and eczema. CONCLUSIONS Parental allergy-related disease may be an important risk factor for NAR as well as AR, and the risk is comparable for maternal and paternal allergy. Parental hay fever seems to be the dominating hereditary risk factor for AR.
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Tan CW, Lee YH, Choolani M, Tan HH, Griffith L, Chan J, Chuang PC, Wu MH, Lin YJ, Tsai SJ, Rahmati M, Petitbarat M, Dubanchet S, Bensussan A, Chaouat G, Ledee N, Bissonnette L, Haouzi D, Monzo C, Traver S, Bringer S, Faidherbe J, Perrochia H, Ait-Ahmed O, Dechaud H, Hamamah S, Ibrahim MG, de Arellano MLB, Sachtleben M, Chiantera V, Frangini S, Younes S, Schneider A, Plendl J, Mechsner S, Ono M, Hamai H, Chikawa A, Teramura S, Takata R, Sugimoto T, Iwahashi K, Ohhama N, Nakahira R, Shigeta M, Park IH, Lee KH, Sun HG, Kim SG, Lee JH, Kim YY, Kim HJ, Jeon GH, Kim CM, Bocca S, Wang H, Anderson S, Yu L, Horcajadas J, Oehninger S, Bastu E, Mutlu MF, Celik C, Yasa C, Dural O, Buyru F, Quintana F, Cobo A, Remohi J, Ferrando M, Matorras R, Bermejo A, Iglesias C, Cerrillo M, Ruiz M, Blesa D, Simon C, Garcia-Velasco JA, Chamie L, Ribeiro DMF, Riboldi M, Pereira R, Rosa MB, Gomes C, de Mello PH, Fettback P, Domingues T, Cambiaghi A, Soares ACP, Kimati C, Motta ELA, Serafini P, Hapangama DK, Valentijn AJ, Al-Lamee H, Palial K, Drury JA, von Zglinicki T, Saretzki G, Gargett CE, Liao CY, Lee KH, Sung YJ, Li HY, Morotti M, Remorgida V, Venturini PL, Ferrero S, Nabeta M, Iki A, Hashimoto H, Koizumi M, Matsubara Y, Hamada K, Fujioka T, Matsubara K, Kusanagi Y, Nawa A, Zanatta A, Riboldi M, da Rocha AM, Guerra JL, Cogliati B, Pereira R, Motta ELA, Serafini P, Bianchi PDM, Zanatta A, Riboldi M, da Rocha AM, Cogliati B, Guerra JL, Pereira R, Motta ELA, Serafini P, Prieto B, Exposito A, Mendoza R, Rabanal A, Matorras R, Bedaiwy M, Yi L, Dahoud W, Liu J, Hurd W, Falcone T, Biscotti C, Mesiano S, Sugiyama R, Nakagawa K, Nishi Y, Kuribayashi Y, Akira S, Germeyer A, Rosner S, Jauckus J, Strowitzki T, von Wolff M, Khan KN, Kitajima M, Fujishita A, Nakashima M, Masuzaki H, Kajihara T, Ishihara O, Brosens J, Ledee N, Petitbarat M, Rahmati M, Vezmar K, Savournin V, Dubanchet S, Chaouat G, Balet R, Bensussan A, Chaouat G, Lee YH, Loh SF, Tannenbaum SR, Chan JKY, Scarella A, Chamy V, Devoto L, Abrao M, Sovino H, Krasnopolskaya K, Popov A, Kabanova D, Beketova A, Ivakhnenko V, Shohayeb A, Wahba A, Abousetta A, al-inany H, Wahba A, El Daly A, Zayed M, Kvaskoff M, Han J, Missmer SA, Navarro P, Meola J, Ribas CP, Paz CP, Ferriani RA, Donabela FC, Tafi E, Maggiore ULR, Scala C, Remorgida V, Venturini PL, Ferrero S, Hackl J, Strehl J, Wachter D, Dittrich R, Cupisti S, Hildebrandt T, Lotz L, Attig M, Hoffmann I, Renner S, Hartmann A, Beckmann MW, Urquiza F, Ferrer C, Incera E, Azpiroz A, Junovich G, Pappalardo C, Guerrero G, Pasqualini S, Gutierrez G, Corti L, Sanchez AM, Bordignon PP, Santambrogio P, Levi S, Persico P, Vigano P, Papaleo E, Ferrari S, Candiani M, van der Houwen LEE, Schreurs AMF, Lambalk CB, Schats R, Hompes PGA, Mijatovic V, Xu SY, Li J, Chen XY, Chen SQ, Guo LY, Mathew D, Nunes Q, Lane B, Fernig D, Hapangama D, Lind T, Hammarstrom M, Golmann D, Rodriguez-Wallberg K, Hestiantoro A, Cakra A, Aulia A, Al-Inany H, Houston B, Farquhar C, Abousetta A, Tagliaferri V, Gagliano D, Immediata V, Tartaglia C, Zumpano A, Campagna G, Lanzone A, Guido M, Matsuzaki S, Darcha C, Botchorishvili R, Pouly JL, Mage G, Canis M, Shivhare SB, Bulmer JN, Innes BA, Hapangama DK, Lash GE, de Graaff AA, Zandstra H, Smits LJ, Van Beek JJ, Dunselman GAJ, Bozdag G, Calis PT, Demiralp DO, Ayhan B, Igci N, Yarali H, Acar N, Er H, Ozmen A, Ustunel I, Korgun ET, Kuroda K, Kuroda M, Arakawa A, Kitade M, Brosens AI, Brosens JJ, Takeda S, Yao T. Endometriosis, endometrium, implantation and fallopian tube. Hum Reprod 2013. [DOI: 10.1093/humrep/det211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Öhlund I, Silfverdal SA, Hernell O, Lind T. Serum 25-hydroxyvitamin D levels in preschool-age children in northern Sweden are inadequate after summer and diminish further during winter. J Pediatr Gastroenterol Nutr 2013; 56:551-5. [PMID: 23274340 DOI: 10.1097/mpg.0b013e3182838e5b] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND OBJECTIVE Despite studies indicating that vitamin D intake among Swedish children does not meet the recommendation, little is known of their vitamin D status. The aim of the present study was to examine vitamin D status in preschool-age children in relation to vitamin D intake, season, body mass index, and skin color. METHODS Preschool-age children (n = 90; mean age 54 ± 7.1 months), all living in northern Sweden (latitude 63° north), half of them with fair skin, half with darker complexion, were recruited from well-baby clinics. The study group was examined first in August-September (late summer) and then the following January-February (winter). Skin type, vitamin D intake, anthropometrics, serum 25-hydroxyvitamin D (S-25[OH] D), and serum parathyroid hormone were assessed. RESULTS Mean ± SD S-25(OH) D in summer and winter were 60 ± 15 nmol/L and 55 ± 16 nmol/L, respectively (P < 0.001). Fifteen percent and 10% had S-25(OH) D ≥ 75 nmol/L, and 25% and 40% had S-25(OH) D <50 nmol/L, respectively. The mean vitamin D intake was higher in dark-skinned compared with fair-skinned children. In spite of this, S-25(OH) D in dark-skinned children was lower compared with fair-skinned children during both seasons. The dietary intake of vitamin D was positively associated with S-25(OH) D levels. CONCLUSIONS Vitamin D status is inadequate in preschool-age children living in northern Sweden, especially in dark-skinned children and during the winter despite vitamin D intakes meeting the recommendations, prompting strategies to improve intake of vitamin D in this population.
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Fiocca R, Mastracci L, Attwood SE, Ell C, Galmiche JP, Hatlebakk J, Bärthel A, Långström G, Lind T, Lundell L. Gastric exocrine and endocrine cell morphology under prolonged acid inhibition therapy: results of a 5-year follow-up in the LOTUS trial. Aliment Pharmacol Ther 2012; 36:959-71. [PMID: 22998687 DOI: 10.1111/apt.12052] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Revised: 03/12/2012] [Accepted: 08/30/2012] [Indexed: 12/17/2022]
Abstract
BACKGROUND Sustained acid inhibition with PPI stimulates gastrin secretion, exerting a proliferative drive on enterochromaffin-like cells (ECL cells) of the oxyntic mucosa. It may also accelerate development of gastric gland atrophy in Helicobacter pylori-infected individuals. AIMS To evaluate gastric exocrine and endocrine cell changes in GERD patients randomised to laparoscopic antireflux surgery (LARS, n = 288) or long-term (5 years) esomeprazole (ESO) treatment (n = 266). METHODS Antral and corpus biopsies were taken at endoscopy and serum gastrin and chromogranin A levels were assayed, at baseline and after 1, 3 and 5 years' therapy. RESULTS Biopsies were available at each time point for 158 LARS patients and 180 ESO patients. In H. pylori-infected subjects, antral mucosal inflammation and activity improved significantly (P < 0.001) and stabilised after 3 years on esomeprazole while no change in inflammation was observed after LARS. Oxyntic mucosal inflammation and activity remained stable on esomeprazole but decreased slightly over time after LARS. Neither intestinal metaplasia nor atrophy developed in the oxyntic mucosa. ECL cell density increased significantly after ESO (P < 0.001), corresponding with an increase in circulating gastrin and chromogranin A. After LARS, there was a significant decrease in ECL cell density (P < 0.05), accompanied by a marginal decrease in gastrin and chromogranin. CONCLUSIONS Antral gastritis improved in H. pylori-infected GERD patients after 5 years on esomeprazole, with little change in laparoscopic antireflux surgery patients, who acted as a control. Despite a continued proliferative drive on enterochromaffin-like cells during esomeprazole treatment, no dysplastic or neoplastic lesions were found and no safety concerns were raised. NCT 00251927.
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Ballardini N, Kull I, Lind T, Hallner E, Almqvist C, Östblom E, Melén E, Pershagen G, Lilja G, Bergström A, Wickman M. Development and comorbidity of eczema, asthma and rhinitis to age 12: data from the BAMSE birth cohort. Allergy 2012; 67:537-44. [PMID: 22335548 DOI: 10.1111/j.1398-9995.2012.02786.x] [Citation(s) in RCA: 144] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/24/2011] [Indexed: 01/12/2023]
Abstract
BACKGROUND Allergy-related diseases are a public health issue, but knowledge on development and comorbidity among children is scarce. The aim was to study the development of eczema, asthma and rhinitis in relation to sex and parental allergy, in a population-based cohort, during childhood. METHODS At 1, 2, 4, 8 and 12 years, parental questionnaires were used to obtain data on allergy-related diseases. Complete data for all five follow-up occasions were available from 2916 children. Odds ratios for the risk of any allergy-related disease in relation to heredity and sex were calculated using generalized estimating equations. RESULTS At 12 years, 58% of the children had had eczema, asthma and/or rhinitis at some time. Disease turnover was high for all three diseases throughout the study. Comorbidity increased with age, and at 12 years, 7.5% of all the children were affected by at least two allergy-related diseases. Parental allergy was associated with increased comorbidity and more persistent disease and increased the risk of having any allergy-related disease (adjusted OR 1.76; 95% CI 1.57-1.97) up to 12 years. Male sex was associated with an increased risk throughout childhood. Boys and girls did not differ in disease persistence, and for comorbidity, the differences were minor. CONCLUSIONS Allergy-related diseases may affect a majority of children. Eczema, asthma and rhinitis develop dynamically throughout childhood, and allergic comorbidity is common. These findings indicate that allergy-related diseases should be neither seen nor studied as isolated entities.
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Lind T, Waernbaum I, Berhan Y, Dahlquist G. Socioeconomic factors, rather than diabetes mellitus per se, contribute to an excessive use of antidepressants among young adults with childhood onset type 1 diabetes mellitus: a register-based study. Diabetologia 2012; 55:617-24. [PMID: 22179222 DOI: 10.1007/s00125-011-2405-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 11/11/2011] [Indexed: 01/28/2023]
Abstract
AIMS/HYPOTHESIS Mood disorders, including depression, are suggested to be prevalent in persons with type 1 diabetes and may negatively affect self-management and glycaemic control and increase the risk of diabetic complications. The aim of this study was to analyse the prevalence of antidepressant (AD) use in adults with childhood onset type 1 diabetes and to compare risk determinants for AD prescription among diabetic patients and a group of matched controls. METHODS Young adults ≥ 18 years on 1 January 2006 with type 1 diabetes (n = 7,411) were retrieved from the population-based Swedish Childhood Diabetes Registry (SCDR) and compared with 30,043 age- and community-matched controls. Individual level data were collected from the Swedish National Drug Register (NDR), the Hospital Discharge Register (HDR) and the Labor Market Research database (LMR). RESULTS ADs were prescribed to 9.5% and 6.8% of the type 1 diabetes and control subjects, respectively. Female sex, having received economic or other social support, or having a disability pension were the factors with the strongest association with AD prescription in both groups. Type 1 diabetes was associated with a 44% (OR 1.44, 95% CI 1.32, 1.58) higher risk of being prescribed ADs in crude analysis. When adjusting for potential confounders including sex, age and various socioeconomic risk factors, this risk increase was statistically non-significant (OR 1.11, 95% CI 0.99, 1.21). CONCLUSIONS/INTERPRETATION The risk factor patterns for AD use are similar among type 1 diabetic patients and controls, and socioeconomic risk factors, rather than the diabetes per se, contribute to the increased risk of AD use in young adults with type 1 diabetes.
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Malfertheiner P, Nocon M, Vieth M, Stolte M, Jaspersen D, Koelz HR, Labenz J, Leodolter A, Lind T, Richter K, Willich SN. Evolution of gastro-oesophageal reflux disease over 5 years under routine medical care--the ProGERD study. Aliment Pharmacol Ther 2012; 35:154-64. [PMID: 22070159 DOI: 10.1111/j.1365-2036.2011.04901.x] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND The evolution of gastro-oesophageal reflux disease (GERD) under current management options remains uncertain. AIM To examine whether, depending on the initial presentation, non-erosive (NERD) and erosive reflux disease (ERD) without Barrett's oesophagus will progress to more severe disease under current routine care following the resolution of the initial condition. METHODS Patients with the primary symptom of heartburn were included at baseline, and stratified into non-erosive (NERD) and erosive reflux disease (ERD), LA grades A-D (Los Angeles classification). After a 2- to 8-week course with esomeprazole therapy to achieve endoscopic healing in ERD and symptom relief in NERD, patients were treated routinely at the discretion of their physician. We report oesophagitis status and the presence of endoscopic and confirmed Barrett's oesophagus after 5 years. RESULTS A total of 6215 patients were enrolled in the study of whom 2721 patients completed the 5-year follow-up. Progression, regression and stability of GERD severity were followed from baseline to 5 years. Only a few patients with NERD and mild/moderate ERD progressed to severe forms of ERD and even Barrett's oesophagus. Most patients remained stable or showed improvement in their oesophagitis; 5.9% of the NERD patients, 12.1% of LA grade A/B patients and 19.7% of LA grade C/D patients in whom no Barrett's oesophagus was recorded at baseline progressed to endoscopic or confirmed Barrett's oesophagus at 5 years. CONCLUSION Most GERD patients remain stable or improve over a 5-year observation period under current routine clinical care.
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Rodriguez-Wallberg KA, Lind T, Hammarstrom M, Lampic C, Misirlioglu S, Cetin MT, Janse JA, Goedegebuure RSA, Veersema S, Broekmans FJM, Schreuder HWR, Sahin L, Kumbak B, Ozkan ZS, Atilgan R, Simsek M, Sapmaz E, Yu HT, Wang CJ, Lee CL, Huang HY, Wang HS, Chen CK, Soong YK, Hizli D, Hizli F, Kosus A, Yilmaz S, Kosus N, Haltas H, Kafali H. REPRODUCTIVE SURGERY. Hum Reprod 2012. [DOI: 10.1093/humrep/27.s2.90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Öhlund I, Hernell O, Hörnell A, Lind T. Serum lipid and apolipoprotein levels in 4-year-old children are associated with parental levels and track over time. Eur J Clin Nutr 2011; 65:463-9. [DOI: 10.1038/ejcn.2011.14] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Berhan Y, Waernbaum I, Lind T, Möllsten A, Dahlquist G. Thirty years of prospective nationwide incidence of childhood type 1 diabetes: the accelerating increase by time tends to level off in Sweden. Diabetes 2011; 60:577-81. [PMID: 21270269 PMCID: PMC3028358 DOI: 10.2337/db10-0813] [Citation(s) in RCA: 155] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE During the past few decades, a rapidly increasing incidence of childhood type 1 diabetes (T1D) has been reported from many parts of the world. The change over time has been partly explained by changes in lifestyle causing rapid early growth and weight development. The current study models and analyzes the time trend by age, sex, and birth cohort in an exceptionally large study group. RESEARCH DESIGN AND METHODS The present analysis involved 14,721 incident cases of T1D with an onset of 0-14.9 years that were recorded in the nationwide Swedish Childhood Diabetes Registry from 1978 to 2007. Data were analyzed using generalized additive models. RESULTS Age- and sex-specific incidence rates varied from 21.6 (95% CI 19.4-23.9) during 1978-1980 to 43.9 (95% CI 40.7-47.3) during 2005-2007. Cumulative incidence by birth cohort shifted to a younger age at onset during the first 22 years, but from the birth year 2000 a statistically significant reversed trend (P < 0.01) was seen. CONCLUSIONS Childhood T1D increased dramatically and shifted to a younger age at onset the first 22 years of the study period. We report a reversed trend, starting in 2000, indicating a change in nongenetic risk factors affecting specifically young children.
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