Prevalence and pattern of helmet-induced headache among Danish military personnel

Prevalence and pattern of helmet-induced headache among Danish military personnel Scientific presentations at the 2017 Annual Meeting / Scandinavian Journal of Pain 16 (2017) 165–188assessed by pressure algometry bilaterally over C2/C3 and C5/C6facet joints. Three-way repeated-measures ANOVA with factors PPTlocation, injection site, and time was used for analysis. Post-hocanalysis was done by Bonferroni.Results: Saline-induced trapezius muscle pain increased PPTsover all facet joints (P < 0.05) compared with before pain. Salineinduced multifidus muscle pain increased PPTs bilaterally overC2/C3 facet joints and over the left C5/C6 facet joint (P < 0.05) compared with before pain.Conclusions: Trapezius muscle pain increased PPT overassessed facet joints. Similar results were found for multifidus muscle pain except for the right C5/C6 facet joint, which was close tothe injection site. Such findings may reflect descending inhibitorycontrol acting on structures furthest away from the painful structure.http://dx.doi.org/10.1016/j.sjpain.2017.04.052Are we using Placebo effects in specializedPalliative Care?Jarl Sigaard a,b,∗ , Birthe Dinesen a,baPalliative Care Team, South West Jutland Hospital,Esbjerg, Denmarkb SMI, Department of Health Science and Technology,Aalborg University, DenmarkE-mail address: jarl.sigaard@rsyd.dk (J. Sigaard).Background: Placebo effects are positive treatment effects thatoccur because of the psycho-social context around the therapy.Such effects are well documented in pain treatment, as well as inthe treatment of other common symptoms. Specialized PalliativeCare focuses on the relief of pain and other symptoms in terminallyill cancer patients.Aims: The aim of this study was to explore whether and/or howa Specialized Palliative Care Team might contribute to the creationof placebo effects.Methods: The study was conducted as a qualitative study using aphenomenological/hermeneutic approach. A literature review wascarried out to identify state-of-the-art knowledge about placeboeffects. A triangulation of data collection techniques was used,including participant observations (n = 8.6 h) and a focus groupinterview with 7 members of the Specialized Palliative Care Team.Observations from six cases were also included. Data was analyzedusing NVivo 11.0.Findings: This study identified work routines and situation ofthe Specialized Palliative Care Team that had a potential for elicitingplacebo effects. The value of patient collaboration for the creationof placebo effects was identified by members of the Specialized Palliative Care Team. The team’s knowledge and attitudes concerningplacebo reflect the confusion that exists in general in this area.Conclusions: This study found several work routines, alreadyin use by the Specialized Palliative Care Team, well known forcreating placebo effects. Increased knowledge and focus on thisphenomenon may benefit patients.http://dx.doi.org/10.1016/j.sjpain.2017.04.053183Prevalence and pattern of helmet-inducedheadache among Danish military personnelZ. Rahmani ∗ , A. Kochanek, J.J. Astrup, J.N. Poulsen,P. GazeraniDepartment of Health Science and Technology,Faculty of Medicine, Aalborg University, Aalborg,DenmarkE-mail address: gazerani@hst.aau.dk (P. Gazerani).Aims: Headache is a leading reason to seek medical care. Severalsubtypes of headaches have been defined, one of which is externalcompression headache. This headache is due to an external physicalcompression applied on the head. It affects approximately 4% of thegeneral population; however, certain populations for example construction workers and military personnel with particular needs ofheadwear or helmet are at higher risk for development of this typeof headache. Generally, external compression headache is poorlystudied and there is no report on helmet-induced headache amongDanish military personnel. This survey-based study was designedto investigate prevalence and pattern of helmet-induced externalcompression headache among these personnel.Methods: Questionnaires were carefully developed and delivered to a total of 279 participants who use helmets in the Danishmilitary service. The military of the Northern Jutland region ofDenmark facilitated recruitment of study participants. Questionnaires were delivered on paper and anonymous answers werecollected and used for further analysis. Data were handled usingdescriptive statistics.Results: Up to 30% of the participants reported headache inrelation to wearing the military helmet. Headache was defined asmoderate intensity with pressing pain quality mostly located infront of the head. Two types of helmets in this study were differentin the weight and padding of the inner part and delivered different pattern of pressure; while one evenly delivered pressure onmultiple head regions, the other delivered pressure mostly on thesides and top of the head. This suggests that helmet pressure andheadache location might be associated.Conclusions: This study was first to demonstrate prevalenceand pattern of helmet-induced headache among military personnelin North Jutland, Denmark. Findings of this study call for furtherattention to helmet-induced headache and strategies to minimizethe burden, for example by design of appropriate helmets.http://dx.doi.org/10.1016/j.sjpain.2017.04.054Aquaporin 4 expression on trigeminal satelliteglial cells under normal and inflammatoryconditionsD. Riccio a,b,∗ , G. Magni b , S. Ceruti b , L.Arendt-Nielsen a , P. Gazerani aaDepartment of Health Science and Technology,Faculty of Medicine, Aalborg University, Denmarkb Department of Pharmacological and BiomolecularSciences, University of Milan, ItalyE-mail address: riccio@hst.aau.dk (D. Riccio).Aims: Limited information is currently available for the expression and role of Aquaporin 4 (AQP4) (AQ4) in the peripheral nervoussystem (PNS). It has been demonstrated that AQP4 is expressed insensory ganglia. Immunohistochemistry has revealed that satelliteglial cells (SGCs) surrounding the cell bodies of the primary afferentsensory neurons in these sensory ganglia exclusively express AQP4at a considerably lower level than what is seen in astrocytes. Thepathophysiological relevance of AQP4 in peripheral nociception;however, remains unclear. Hence, this study aimed at investigating http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Scandinavian Journal of Pain de Gruyter

Prevalence and pattern of helmet-induced headache among Danish military personnel

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De Gruyter
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© 2017 Scandinavian Association for the Study of Pain
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1877-8860
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10.1016/j.sjpain.2017.04.054
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Abstract

Scientific presentations at the 2017 Annual Meeting / Scandinavian Journal of Pain 16 (2017) 165–188assessed by pressure algometry bilaterally over C2/C3 and C5/C6facet joints. Three-way repeated-measures ANOVA with factors PPTlocation, injection site, and time was used for analysis. Post-hocanalysis was done by Bonferroni.Results: Saline-induced trapezius muscle pain increased PPTsover all facet joints (P < 0.05) compared with before pain. Salineinduced multifidus muscle pain increased PPTs bilaterally overC2/C3 facet joints and over the left C5/C6 facet joint (P < 0.05) compared with before pain.Conclusions: Trapezius muscle pain increased PPT overassessed facet joints. Similar results were found for multifidus muscle pain except for the right C5/C6 facet joint, which was close tothe injection site. Such findings may reflect descending inhibitorycontrol acting on structures furthest away from the painful structure.http://dx.doi.org/10.1016/j.sjpain.2017.04.052Are we using Placebo effects in specializedPalliative Care?Jarl Sigaard a,b,∗ , Birthe Dinesen a,baPalliative Care Team, South West Jutland Hospital,Esbjerg, Denmarkb SMI, Department of Health Science and Technology,Aalborg University, DenmarkE-mail address: jarl.sigaard@rsyd.dk (J. Sigaard).Background: Placebo effects are positive treatment effects thatoccur because of the psycho-social context around the therapy.Such effects are well documented in pain treatment, as well as inthe treatment of other common symptoms. Specialized PalliativeCare focuses on the relief of pain and other symptoms in terminallyill cancer patients.Aims: The aim of this study was to explore whether and/or howa Specialized Palliative Care Team might contribute to the creationof placebo effects.Methods: The study was conducted as a qualitative study using aphenomenological/hermeneutic approach. A literature review wascarried out to identify state-of-the-art knowledge about placeboeffects. A triangulation of data collection techniques was used,including participant observations (n = 8.6 h) and a focus groupinterview with 7 members of the Specialized Palliative Care Team.Observations from six cases were also included. Data was analyzedusing NVivo 11.0.Findings: This study identified work routines and situation ofthe Specialized Palliative Care Team that had a potential for elicitingplacebo effects. The value of patient collaboration for the creationof placebo effects was identified by members of the Specialized Palliative Care Team. The team’s knowledge and attitudes concerningplacebo reflect the confusion that exists in general in this area.Conclusions: This study found several work routines, alreadyin use by the Specialized Palliative Care Team, well known forcreating placebo effects. Increased knowledge and focus on thisphenomenon may benefit patients.http://dx.doi.org/10.1016/j.sjpain.2017.04.053183Prevalence and pattern of helmet-inducedheadache among Danish military personnelZ. Rahmani ∗ , A. Kochanek, J.J. Astrup, J.N. Poulsen,P. GazeraniDepartment of Health Science and Technology,Faculty of Medicine, Aalborg University, Aalborg,DenmarkE-mail address: gazerani@hst.aau.dk (P. Gazerani).Aims: Headache is a leading reason to seek medical care. Severalsubtypes of headaches have been defined, one of which is externalcompression headache. This headache is due to an external physicalcompression applied on the head. It affects approximately 4% of thegeneral population; however, certain populations for example construction workers and military personnel with particular needs ofheadwear or helmet are at higher risk for development of this typeof headache. Generally, external compression headache is poorlystudied and there is no report on helmet-induced headache amongDanish military personnel. This survey-based study was designedto investigate prevalence and pattern of helmet-induced externalcompression headache among these personnel.Methods: Questionnaires were carefully developed and delivered to a total of 279 participants who use helmets in the Danishmilitary service. The military of the Northern Jutland region ofDenmark facilitated recruitment of study participants. Questionnaires were delivered on paper and anonymous answers werecollected and used for further analysis. Data were handled usingdescriptive statistics.Results: Up to 30% of the participants reported headache inrelation to wearing the military helmet. Headache was defined asmoderate intensity with pressing pain quality mostly located infront of the head. Two types of helmets in this study were differentin the weight and padding of the inner part and delivered different pattern of pressure; while one evenly delivered pressure onmultiple head regions, the other delivered pressure mostly on thesides and top of the head. This suggests that helmet pressure andheadache location might be associated.Conclusions: This study was first to demonstrate prevalenceand pattern of helmet-induced headache among military personnelin North Jutland, Denmark. Findings of this study call for furtherattention to helmet-induced headache and strategies to minimizethe burden, for example by design of appropriate helmets.http://dx.doi.org/10.1016/j.sjpain.2017.04.054Aquaporin 4 expression on trigeminal satelliteglial cells under normal and inflammatoryconditionsD. Riccio a,b,∗ , G. Magni b , S. Ceruti b , L.Arendt-Nielsen a , P. Gazerani aaDepartment of Health Science and Technology,Faculty of Medicine, Aalborg University, Denmarkb Department of Pharmacological and BiomolecularSciences, University of Milan, ItalyE-mail address: riccio@hst.aau.dk (D. Riccio).Aims: Limited information is currently available for the expression and role of Aquaporin 4 (AQP4) (AQ4) in the peripheral nervoussystem (PNS). It has been demonstrated that AQP4 is expressed insensory ganglia. Immunohistochemistry has revealed that satelliteglial cells (SGCs) surrounding the cell bodies of the primary afferentsensory neurons in these sensory ganglia exclusively express AQP4at a considerably lower level than what is seen in astrocytes. Thepathophysiological relevance of AQP4 in peripheral nociception;however, remains unclear. Hence, this study aimed at investigating

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Scandinavian Journal of Painde Gruyter

Published: Jul 1, 2017

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