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Reforming EU and national orphan drug regulations to improve outcomes for patients with rare diseases. BMJ 2023; 381:e072796. [PMID: 37160303 DOI: 10.1136/bmj-2022-072796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
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Results on patient-reported outcomes are underreported in summaries of product characteristics for new drugs. J Patient Rep Outcomes 2021; 5:127. [PMID: 34874524 PMCID: PMC8651888 DOI: 10.1186/s41687-021-00402-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 11/19/2021] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Summaries of product characteristics (SmPCs) are regulatory documents published upon drug approval. They should report all relevant study data and advise how to use drugs safely and effectively. Patient-reported outcomes (PROs) are increasingly used in clinical trials to incorporate the patient perspective-SmPCs should thus adequately report PROs. In Germany, new drugs undergo mandatory early benefit assessment. Pharmaceutical companies submit dossiers containing all evidence; the subsequent dossier assessments focus on patient-relevant outcomes and comprehensively report PROs. OBJECTIVE The primary aim was to investigate to what extent PROs recorded as outcomes in clinical trials of new drugs are reported in SmPCs. METHODS We analysed dossier assessments with randomized controlled trials (RCTs) of new drugs entering the market between 01/2014 and 07/2018 and the corresponding SmPCs, and compared PRO reporting in both document types. For this purpose, we evaluated dossier assessment characteristics (e.g. drug name, indication, disease category) and study characteristics (e.g. evaluable PROs available?). PROs were divided into symptoms and health-related quality of life (HRQoL). SmPCs were screened to identify RCTs. We conducted 3 main evaluation steps: (1) Did the RCT included in the dossier assessment contain evaluable PROs? (2) If yes, was the RCT included in the SmPC? (3) If yes, were the PROs reported in the SmPC? Results are presented descriptively. RESULTS 88 dossier assessments including 143 RCTs on 72 drugs were considered: 109 (76.2%) RCTs included evaluable PROs, of which 89 were included in SmPCs. 38 RCTs (42.7%) investigated oncologics, 18 (20.2%) anti-infectives, and 33 (37.1%) other drugs. The RCTs considered symptoms more often than HRQoL (82 vs. 66 RCTs). In SmPCs, PROs were reported for 41 RCTs (46.1%), with a slightly higher reporting rate for RCTs considering HRQoL (43.9%) than for RCTs considering symptoms (41.5%). In oncologic indications, PROs were reported for 36.7% of RCTs considering HRQoL and 33.3% of RCTs considering symptoms. In infectious diseases, the rates were 21.4% (symptoms) and 0% (HRQoL), and for other diseases about 60% (symptoms) to 70% (HRQoL). CONCLUSION Even though a large amount of PRO data on new drugs is available from clinical trials included in SmPCs, the corresponding results are underreported.
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Study filters for non-randomized studies of interventions consistently lacked sensitivity upon external validation. BMC Med Res Methodol 2018. [PMID: 30563471 DOI: 10.1186/s12874‐018‐0625‐4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Little evidence is available on searches for non-randomized studies (NRS) in bibliographic databases within the framework of systematic reviews. For instance, it is currently unclear whether, when searching for NRS, effective restriction of the search strategy to certain study types is possible. The following challenges need to be considered: 1) For non-randomized controlled trials (NRCTs): whether they can be identified by established filters for randomized controlled trials (RCTs). 2) For other NRS types (such as cohort studies): whether study filters exist for each study type and, if so, which performance measures they have. The aims of the present analysis were to identify and validate existing NRS filters in MEDLINE as well as to evaluate established RCT filters using a set of MEDLINE citations. METHODS Our analysis is a retrospective analysis of study filters based on MEDLINE citations of NRS from Cochrane reviews. In a first step we identified existing NRS filters. For the generation of the reference set, we screened Cochrane reviews evaluating NRS, which covered a broad range of study types. The citations of the studies included in the Cochrane reviews were identified via the reviews' bibliographies and the corresponding PubMed identification numbers (PMIDs) were extracted from PubMed. Random samples comprising up to 200 citations (i.e. 200 PMIDs) each were created for each study type to generate the test sets. RESULTS A total of 271 Cochrane reviews from 41 different Cochrane groups were eligible for data extraction. We identified 14 NRS filters published since 2001. The study filters generated between 660,000 and 9.5 million hits in MEDLINE. Most filters covered several study types. The reference set included 2890 publications classified as NRS for the generation of the test sets. Twelve test sets were generated (one for each study type), of which 8 included 200 citations each. None of the study filters achieved sufficient sensitivity (≥ 92%) for all of the study types targeted. CONCLUSIONS The performance of current NRS filters is insufficient for effective use in daily practice. It is therefore necessary to develop new strategies (e.g. new NRS filters in combination with other search techniques). The challenges related to NRS should be taken into account.
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Study filters for non-randomized studies of interventions consistently lacked sensitivity upon external validation. BMC Med Res Methodol 2018; 18:171. [PMID: 30563471 PMCID: PMC6299552 DOI: 10.1186/s12874-018-0625-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 11/21/2018] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Little evidence is available on searches for non-randomized studies (NRS) in bibliographic databases within the framework of systematic reviews. For instance, it is currently unclear whether, when searching for NRS, effective restriction of the search strategy to certain study types is possible. The following challenges need to be considered: 1) For non-randomized controlled trials (NRCTs): whether they can be identified by established filters for randomized controlled trials (RCTs). 2) For other NRS types (such as cohort studies): whether study filters exist for each study type and, if so, which performance measures they have. The aims of the present analysis were to identify and validate existing NRS filters in MEDLINE as well as to evaluate established RCT filters using a set of MEDLINE citations. METHODS Our analysis is a retrospective analysis of study filters based on MEDLINE citations of NRS from Cochrane reviews. In a first step we identified existing NRS filters. For the generation of the reference set, we screened Cochrane reviews evaluating NRS, which covered a broad range of study types. The citations of the studies included in the Cochrane reviews were identified via the reviews' bibliographies and the corresponding PubMed identification numbers (PMIDs) were extracted from PubMed. Random samples comprising up to 200 citations (i.e. 200 PMIDs) each were created for each study type to generate the test sets. RESULTS A total of 271 Cochrane reviews from 41 different Cochrane groups were eligible for data extraction. We identified 14 NRS filters published since 2001. The study filters generated between 660,000 and 9.5 million hits in MEDLINE. Most filters covered several study types. The reference set included 2890 publications classified as NRS for the generation of the test sets. Twelve test sets were generated (one for each study type), of which 8 included 200 citations each. None of the study filters achieved sufficient sensitivity (≥ 92%) for all of the study types targeted. CONCLUSIONS The performance of current NRS filters is insufficient for effective use in daily practice. It is therefore necessary to develop new strategies (e.g. new NRS filters in combination with other search techniques). The challenges related to NRS should be taken into account.
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Pulsatile dry cupping in chronic low back pain - a randomized three-armed controlled clinical trial. Altern Ther Health Med 2018; 18:115. [PMID: 29609566 PMCID: PMC5879872 DOI: 10.1186/s12906-018-2187-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 03/22/2018] [Indexed: 01/13/2023]
Abstract
Background We aimed to investigate the effectiveness of two different forms of dry pulsatile cupping in patients with chronic low back pain (cLBP) compared to medication on demand only in a three-armed randomized trial. Methods 110 cLBP patients were randomized to regular pulsatile cupping with 8 treatments plus paracetamol on demand (n = 37), minimal cupping with 8 treatments plus paracetamol on demand (n = 36) or the control group with paracetamol on demand only (n = 37). Primary outcome was the pain intensity on a visual analogue scale (VAS, 0–100 mm) after 4 weeks, secondary outcome parameter included VAS pain intensity after 12 weeks, back function as measured with the ‘Funktionsfragebogen Hannover Rücken’ (FFbH-R) and health related quality of life questionnaire Short form 36 (SF-36) after 4 and 12 weeks. Results The mean baseline-adjusted VAS after 4 weeks was 34.9 mm (95% CI: 28.7; 41.2) for pulsatile cupping, 40.4 (34.2; 46.7) for minimal cupping and 56.1 (49.8; 62.4) for control group, resulting in statistically significant differences between pulsatile cupping vs. control (21.2 (12.2; 30.1); p < 0.001) and minimal cupping vs. control (15.7 (6.9; 24.4); p = 0.001). After 12 weeks, mean adjusted VAS difference between pulsatile cupping vs. control was 15.1 ((3.1; 27.1); p = 0.014), and between minimal cupping vs. control 11.5 ((− 0.44; 23.4); p = 0.059). Differences of VAS between pulsatile cupping and minimal cupping showed no significant differences after 4 or 12 weeks. Pulsatile cupping was also better (− 5.8 (− 11.5;-0.1); p = 0.045) compared to control for back function after 4 weeks, but not after 12 weeks (− 5.4 (− 11.7;0.8); p = 0.088), pulsatile cupping also showed better improvements on SF-36 physical component scale compared to control at 4 and 12 weeks (− 5.6 (− 9.3;-2.0); p = 0.003; − 6.1 (− 9.9;-2.4); p = 0.002). For back function and quality of life minimal cupping group was not statistically different to control after 4 and 12 weeks. Paracetamol intake did not differ between the groups (cupping vs. control (7.3 (− 0.4;15.0); p = 0.063); minimal cupping vs. control (6.3 (− 2.0;14.5); p = 0.133). Conclusions Both forms of cupping were effective in cLBP without showing significant differences in direct comparison after four weeks, only pulsatile cupping showed effects compared to control after 12 weeks. Trial registration The study was registered at ClinicalTrials.gov (identifier: NCT02090686).
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Effectiveness of app-based self-acupressure for women with menstrual pain compared to usual care: a randomized pragmatic trial. Am J Obstet Gynecol 2018; 218:227.e1-227.e9. [PMID: 29155036 DOI: 10.1016/j.ajog.2017.11.570] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 10/11/2017] [Accepted: 11/09/2017] [Indexed: 11/25/2022]
Abstract
BACKGROUND Primary dysmenorrhea is common among women of reproductive age. Nonsteroidal anti-inflammatory drugs and oral contraceptives are effective treatments, although the failure rate is around 20% to 25%. Therefore additional evidence-based treatments are needed. In recent years, the use of smartphone applications (apps) has increased rapidly and may support individuals in self-management strategies. OBJECTIVE We aimed to investigate the effectiveness of app-based self-acupressure in women with menstrual pain. MATERIALS AND METHODS A 2-armed, randomized, pragmatic trial was conducted from December 2012 to April 2015 with recruitment until August 2014 in Berlin, Germany, among women aged 18 to 34 years with self-reported cramping pain of 6 or more on a numeric rating scale (NRS) for the worst pain intensity during the previous menstruation. After randomization, women performed either app-based self-acupressure (n = 111) or followed usual care only (n = 110) for 6 consecutive menstruation cycles. The primary outcome was the mean pain intensity (NRS 0-10) on the days with pain during the third menstruation. Secondary outcomes included worst pain intensity during menstruation, duration of pain, 50% responder rates (reduction of mean pain by at least 50%), medication intake, sick leave days, and body efficacy expectation assessed at the first, second, third, and sixth menstruation cycles. RESULTS We included 221 women (mean age, 24.0 years; standard deviation [SD], 3.6 years). The mean pain intensity difference during the third menstruation was statistically significant in favor of acupressure (acupressure: 4.4; 95% confidence interval [CI], 4.0-4.7; usual care 5.0; 95% CI, 4.6-5.3; mean difference -0.6; 95% CI, - 1.2 to -0.1; P = .026). At the sixth cycle, the mean difference between the groups (-1.4; 95% CI, -2.0 to -0.8; P < .001) reached clinical relevance. At the third and sixth menstruation cycles, responder rates were 37% and 58%, respectively, in the acupressure group, in contrast to 23% and 24% in the usual care group. Moreover, the worst pain intensity (group difference -0.6; 95% CI, -1.2 to -0.02; and -1.4; 95% CI, -2.0 to -0.7), the number of days with pain (-0.4; 95% CI, -0.9 to -0.01; and -1.2; 95% CI, -1.6 to -0.7) and the proportion of women with pain medication at the third and sixth menstruation cycles (odds ratio [OR], 0.5; 95% CI, 0.3-0.9] and 0.3 (95% CI, 0.2-0.5) were lower in the acupressure group. At the third cycle, hormonal contraceptive use was more common in the usual care group than in the acupressure group (OR, 0.5; 95% CI, 0.3-0.97) but not statistically significantly different at the sixth cycle (OR, 0.6; 95% CI, 0.3-1.1]). The number of sick leave days and body efficacy expectation (self-efficacy scale) did not differ between groups. On a scale of 0 to 6, mean satisfaction with the intervention at the third cycle was 3.7 (SD 1.3), recommendation of the intervention to others 4.3 (1.5), appropriateness of acupressure for menstrual pain 3.9 (1.4), and application of acupressure for other pain 4.3 (1.5). The intervention was safe, and after the sixth cycle, two-thirds of the women (67.6%) still applied acupressure on all days with pain. CONCLUSION Smartphone app-delivered self-acupressure resulted in a reduction of menstrual pain compared to usual care only. Effects were increasing over time, and adherence was good. Future trials should include comparisons with other active treatment options.
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Vorstellungen von Studierenden der Tiermedizin und berufliche Realität. Tierarztl Prax Ausg G Grosstiere Nutztiere 2018. [DOI: 10.1055/s-0038-1623980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Zusammenfassung
Gegenstand: Die Ursachen für den Nachwuchsmangel in der Nutztierpraxis wurden in Deutschland bisher wissenschaftlich wenig untersucht. Internationalen Studien zufolge hat das Berufsbild einen wichtigen Einfluss auf die Wahl des Tätigkeitsfeldes. Material und Methoden: An der Tierklinik für Fortpflanzung der Freien Universität Berlin erfolgten im Wintersemester 2007/2008 zeitgleich zwei Untersuchungen mittels Fragebogen. In Untersuchung 1 wurde das unter Studierenden vorherrschende Berufsbild erfasst. Ferner sollten die Studierenden Angaben über Anforderungen machen, die sie an einen späteren Arbeitsplatz stellen, sowie darüber, wie sie sich die künftige Lebensgestaltung vorstellen. Die Rücklaufquote der insgesamt 1498 an die fünf deutschen tiermedizinischen Ausbildungsstätten verschickten Fragebögen lag bei 80,3% (n = 1203). In Untersuchung 2 wurden Assistenztierärzte/ innen befragt, die 2004/2005 ihre Approbation erhalten hatten und über mehrjährige Berufserfahrung verfügten (Rücklaufquote 54,8%, n = 444). Die so gewonnenen Daten ermöglichten einen Vergleich zwischen den Vorstellungen der Studierenden über die Nutztierpraxis und den Angaben der Assistenztierärzte/innen aus diesem Bereich. Ergebnisse: Die größten Unterschiede bestanden bei der Beurteilung von Arbeitszeiten und Verdienstmöglichkeiten. Während etwa gleich viele Studierende der Aussage zustimmten, gute Verdienstmöglichkeiten in der Kleintier- (45,6%) bzw. der Nutztierpraxis zu haben (42,0%), stimmten dem nur 16,0% der Assistenztierärzte/innen aus dem Kleintierbereich, hingegen 39,7% aus dem Nutztierbereich zu. Weitestgehende Übereinstimmungen zwischen den beiden Gruppen gab es unter anderem bei der Aussage, dass die Arbeit in der Nutztierpraxis hart, körperlich anstrengend und schmutzig sei. Schlussfolgerung: Die Vorstellungen der Studierenden über die Nutztierpraxis stimmen weitestgehend mit dem Berufsalltag der Assistenztierärzte/innen überein. Dies weist darauf hin, dass die Bedingungen in der Nutztierpraxis für junge Tierärzte unattraktiv sind.
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Die Feminisierung der Tiermedizin und der Nachwuchsmangel in der Nutztierpraxis. Tierarztl Prax Ausg G Grosstiere Nutztiere 2018. [DOI: 10.1055/s-0038-1624986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Zusammenfassung
Gegenstand: Im Studiengang Veterinärmedizin hat in den letzten 15 Jahren ein Wandel des Geschlechterverhältnisses stattgefunden. Im Wintersemester 2007/2008 waren 84,5% der Studierenden weiblich. Parallel zu dieser Entwicklung sinkt die Zahl der Absolventen/innen, die nach dem Studium in der Nutztierpraxis tätig werden wollen. Unter Tierärzten und in der Fachliteratur wurde lebhaft diskutiert, ob zwischen diesen Trends ein Zusammenhang besteht. Ziel der Studie war herauszufinden, ob männliche und weibliche Studierende die Wahl für ein Tätigkeitsfeld nach dem Studium aufgrund unterschiedlicher Motivationen und Interessen treffen. Material und Methoden: In einer gesamtdeutschen schriftlichen Befragung unter Studierenden der Veterinärmedizin sollten Einflüsse ermittelt werden, die auf die Wahl des Tätigkeitsfeldes gewirkt haben, in dem die Studierenden nach dem Studium planten, tätig zu werden. Alles in allem wurden 1498 Studierende befragt. Ergebnisse: Insgesamt ließen sich 1203 ausgefüllte Fragebögen im Hinblick auf das Geschlecht der Befragten, ihrer Herkunft und der gehaltenen Tiere auswerten. Die Rücklaufquote betrug 80,3%. Die gewonnenen Daten zeigen, dass männliche Studierende (23,4%) eher zu einer Karriere in der Nutztiermedizin tendieren als weibliche (12,0%). Außerdem entschieden sich Studierende aus einer ländlichen Gegend mit einer höheren Wahrscheinlichkeit für die Nutztierpraxis (55,6%) als Studierende mit einem städtischen Hintergrund (18,1%). Darüber hinaus weisen die Ergebnisse darauf hin, dass ein starker Zusammenhang besteht zwischen den Vorlieben der Studierenden für ein Tätigkeitsfeld und der Art der Tiere, die sie oder ihre Familien halten. Studierende, die Nutztiere ausschließlich oder zusammen mit Pferden und/oder Kleintieren gehalten hatten, bevorzugten eine Tätigkeit in der Nutztierpraxis. Schlussfolgerung: Die Resultate der Studie deuten an, dass für die Wahl des Tätigkeitsfeldes nach dem Studium die Herkunft, die gehaltenen Haustiere und das Geschlecht wichtige Einflussfaktoren darstellen.
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Association of individual and neighbourhood socioeconomic status with physical activity and screen time in seventh-grade boys and girls in Berlin, Germany: a cross-sectional study. BMJ Open 2017; 7:e017974. [PMID: 29288179 PMCID: PMC5770905 DOI: 10.1136/bmjopen-2017-017974] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 11/03/2017] [Accepted: 11/10/2017] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVES Few studies have explored the impact of neighbourhood socioeconomic status (SES) on health behaviours in youths in Germany. Our aim was to investigate the association of individual and neighbourhood SES with physical activity (PA) and screen time (ST) in students aged 12-13 years in Berlin. DESIGN Cross-sectional study. SETTING Secondary schools (high schools and integrated secondary schools) in Berlin, Germany. PARTICIPANTS A total of 2586 students aged 12-13 years (seventh grade). MAIN OUTCOME MEASURES Sociodemographics, anthropometric data and health behaviours were assessed by self-report during classes. Primary outcome was the association of individual and neighbourhood SES with meeting daily PA and exceeding daily ST recommendations. Students' characteristics were described with means or percentages. Comparisons were performed using generalised linear mixed model yielding ORs with 95% CIs. RESULTS Mean (±SD) age was 12.5±0.5 years, 50.5% were girls and 34.1% had a migrant background. When adjusting for individual covariates, associations of low versus high individual SES were 0.85 (0.48; 1.52) for PA and 2.08 (1.26; 3.43) for ST. Associations of low versus high neighbourhood SES were 1.76 (1.12; 2.75) for PA and 1.54 (1.10; 2.17) for ST. After additional adjustment for school type and school neighbourhood SES, associations comparing low versus high individual and neighbourhood SES were attenuated for PA (individual SES 0.74 (0.41; 1.33) and neighbourhood SES 1.51 (0.93; 2.46)) and ST (individual SES 1.88 (1.12; 3.14) and neighbourhood SES 1.40(0.98; 2.00). CONCLUSIONS Lower individual and neighbourhood SES were associated with higher ST. Lower neighbourhood but not individual SES was associated with higher PA. After consideration of school type and school neighbourhood SES associations were attenuated and became insignificant for the relationship between neighbourhood SES, PA and ST. Further research is warranted to unravel the complex relationships between individual SES, neighbourhood SES and school environment to develop more targeted health promotion strategies in the future.
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Effectiveness and Cost-Effectiveness of Tuina for Chronic Neck Pain: A Randomized Controlled Trial Comparing Tuina with a No-Intervention Waiting List. J Altern Complement Med 2017; 24:231-237. [PMID: 29072931 DOI: 10.1089/acm.2017.0209] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE To evaluate whether tuina is more effective and cost-effective in reducing pain compared to no intervention in patients with chronic neck pain. DESIGN Single-center randomized two-armed controlled trial. SETTING University outpatient clinic specialized in Integrative Medicine. SUBJECTS Outpatients with chronic neck pain were randomly allocated to tuina or no intervention. INTERVENTION Six tuina treatments within 3 weeks. OUTCOME MEASURES The primary outcome was the mean neck pain intensity during the previous 7 days on a visual analogue scale after 4 weeks (VAS, 0-100 mm, 0 = no pain, 100 = worst imaginable pain). Secondary outcomes included Neck Pain and Disability Scale (NPDS), Neck Disability Index (NDI), health-related quality of life (12-item quality-of-life questionnaire [SF-12]), medication intake, and cost-effectiveness after 4 and 12 weeks. Statistical analysis included analysis of covariance adjusted for baseline values and a full economic analysis from a societal perspective. RESULTS Altogether, 92 outpatients were included (46 in both groups, 87% female, mean age 45.4 [standard deviation ±9.7], and mean VAS 57.7 ± 11.5). Tuina treatment led to a clinically meaningful reduction in neck pain intensity (group differences, 4 weeks: -22.8 mm [95% confidence interval, -31.7 to -13.8]; p < 0.001 and 12 weeks: -17.9 mm [-27.1 to -8.8], p < 0.001). No serious adverse events were observed. Total costs as well as quality-adjusted life years (QALYs) did not differ significantly between the groups. When taking group differences into account independently from their statistical significance, costs per QALY gained (incremental cost-effectiveness ratio) would range within a cost-effective area from €7,566 (for costs €10.28 per session) to €39,414 (cost €35 per session). CONCLUSION An additional treatment with six tuina sessions over 3 weeks was effective, safe and relatively cost-effective for patients with chronic neck pain. A future trial should compare tuina to other best care options.
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Acupuncture in Patients with Allergic Asthma: A Randomized Pragmatic Trial. J Altern Complement Med 2017; 23:268-277. [PMID: 28287818 DOI: 10.1089/acm.2016.0357] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Although the available evidence is insufficient, acupuncture is used in patients suffering from chronic asthma. The aim of this pragmatic study was to investigate the effectiveness of acupuncture in addition to routine care in patients with allergic asthma compared to treatment with routine care alone. METHODS Patients with allergic asthma were included in a randomized controlled trial and randomized to receive up to 15 acupuncture sessions over 3 months or to a control group receiving routine care alone. Patients who did not consent to randomization received acupuncture treatment for the first 3 months and were followed as a cohort. All trial patients were allowed to receive routine care in addition to study treatment. The primary endpoint was the asthma quality of life questionnaire (AQLQ, range: 1-7) at 3 months. Secondary endpoints included general health related to quality of life (Short-Form-36, SF-36, range 0-100). Outcome parameters were assessed at baseline and at 3 and 6 months. RESULTS A total of 1,445 patients (mean age 43.8 [SD 13.5] years, 58.7% female) were randomized and included in the analysis (184 patients randomized to acupuncture and 173 to control, and 1,088 in the nonrandomized acupuncture group). In the randomized part, acupuncture was associated with an improvement in the AQLQ score compared to the control group (difference acupuncture vs. control group 0.7 [95% confidence interval (CI) 0.5-1.0]) as well as in the physical component scale and the mental component scale of the SF-36 (physical: 2.5 [1.0-4.0]; mental 4.0 [2.1-6.0]) after 3 months. Treatment success was maintained throughout 6 months. Patients not consenting to randomization showed similar improvements as the randomized acupuncture group. CONCLUSIONS In patients with allergic asthma, additional acupuncture treatment to routine care was associated with increased disease-specific and health-related quality of life compared to treatment with routine care alone.
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Long-term effectiveness of a combined student-parent and a student-only smoking prevention intervention among 7th grade school children in Berlin, Germany. Addiction 2016; 111:2219-2229. [PMID: 27447693 DOI: 10.1111/add.13537] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 02/01/2016] [Accepted: 07/15/2016] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND AIMS In Germany, the smoking prevalence among adolescents is among the highest in Europe. Our aim was to evaluate the long-term effectiveness of a combined student-parent and a student-only smoking prevention programme to reduce the smoking prevalence among 7th grade students in Berlin. DESIGN Three-armed cluster-randomized controlled trial (RCT). Schools as cluster units were randomized into (i) student intervention, (ii) combined student-parent intervention or (iii) control group, with follow-up after 12 and 24 months. SETTING High schools and integrated secondary schools in Berlin, Germany. PARTICIPANTS Seventh grade students aged 11-16 years. We included 47 schools, 161 classes and 2801 students [50.1% girls, mean age ± standard deviation (SD) = 13.0 ± 0.6 years]. MEASUREMENTS The primary outcome was self-reported regular smoking (at least one cigarette per day) after 24 months (point prevalence). Further self-reported outcomes were other smoking behaviours as well as parental rules and attitudes towards smoking. Comparisons were calculated as odds ratios (OR) with 95% confidence intervals (CI). FINDINGS At baseline, 2.3% of the students reported that they smoked regularly. After 24 months, 7.8% and 7.0% were regular smokers in the student-only intervention and the student-parent intervention, respectively, compared with 10.1% in the control group. The OR for being a regular smoker was 0.81 (0.34-1.92) for the student-parent intervention versus control, 0.95 (CI = 0.41-2.22) for the student-only intervention versus control and 0.85 (0.38-1.89) for student-parent intervention versus student-only intervention. CONCLUSION A combined student-parent smoking prevention intervention delivered via secondary schools in Berlin, Germany did not result in a statistically significant reduction in regular smoking compared with a control group or a student-only intervention. The student-only intervention did not result in a significant reduction in regular smoking compared with the control group.
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Wirksamkeit von App-basierter Selbstakupressur im Vergleich zur alleinigen Normalversorgung bei Frauen mit Regelschmerzen: Eine randomisierte pragmatische Studie. Geburtshilfe Frauenheilkd 2016. [DOI: 10.1055/s-0036-1593065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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Complementary and Integrative Medicine in nursing homes – Results of a prospective, exploratory, comparative, two-armed cohort study. Eur J Integr Med 2015. [DOI: 10.1016/j.eujim.2015.09.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Diagnostic value of morphometry in feline hypertrophic cardiomyopathy. J Comp Pathol 2012; 147:73-83. [PMID: 22297077 DOI: 10.1016/j.jcpa.2011.11.196] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2010] [Revised: 09/21/2011] [Accepted: 11/08/2011] [Indexed: 01/19/2023]
Abstract
Hypertrophic cardiomyopathy (HCM) is the most common form of feline heart disease. To date, reliable morphometric reference data for anatomical or histological changes are unavailable. The aim of this study was to identify diagnostically relevant morphometric criteria that clearly distinguish feline HCM from normal hearts. Hearts from 15 cats with HCM had increased weights (g per distance between the first and eighth vertebral bodies) when compared with hearts from 15 matched control cats. Several anatomically defined and digitally scanned areas of standardized cross sections were significantly increased in HCM when compared with controls, including the area across the entire heart half-way between the coronary sulcus and apex, the right and left ventricular walls and the ventricular septum. Differences were similar when the papillary muscles were included in the measurements of the right and left ventricular walls and the ventricular septum. Histological morphometric analyses failed to identify any significant differences, including the diameter and cross-sectional area of cardiomyocytes and the length, width or areas of cross-sectioned nuclei. In addition, morphometric analyses failed to identify any differences in the amount of cardiomyocyte fibre branching or myocardial fibrosis. Thus, only the relative weight and macroscopical analyses proved useful in distinguishing feline hearts with HCM from normal hearts. The results do not uphold the hypothesis that increased cardiomyocyte diameter is a principal change in feline HCM.
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Abstract
BACKGROUND Urinary dipsticks are the most frequent method used for screening of ketones in animals, but this method has many drawbacks. In human medicine, portable meters that measure ketones in whole blood have largely replaced urinary dipsticks. OBJECTIVE The aim of this prospective study was to validate a portable whole-blood ketone meter for use in cats. METHODS Sixty-two cats (11 clinically healthy, 51 with diabetes mellitus) were included in the study. The concentration of β-hydroxybuyrate (β-HB) was measured in venous and capillary blood with a hand-held ketone meter (Precision Xceed; assay range 0-8 mmol/L) and compared with a spectrophotometric method. Precision, accuracy, and the effects of hematocrit and anticoagulants were evaluated. RESULTS Between-run precision using low- and high-concentration control solutions was 8.1% and 2.6%, respectively; within-run coefficient of variation determined using 12 feline blood samples was 2.8%. In the 62 cats, β-HB concentrations measured with the portable ketone meter ranged from 0-7.4 mmol/L (median 0.9 mmol/L). When β-HB concentrations measured by the portable meter were < 4.0 mmol/L there was good agreement with the reference method, but concentrations > 4.0 mmol/L were lower than those obtained by the reference method in 20 of 24 cats (83%). There was good correlation between capillary and venous measurements. Results were not affected by hematocrits from 0.17 to 0.50 L/L, but EDTA was not a suitable anticoagulant. CONCLUSION Measurement of β-HB concentration in peripheral or capillary blood by an easy-to-use portable ketone meter was suitable for detecting ketonemia in cats. Underestimation of β-HB concentration was observed at higher values, but results were sufficiently high to aid in diagnosing diabetic ketoacidosis.
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Measurement of β-hydroxybutyrate in cats with nonketotic diabetes mellitus, diabetic ketosis, and diabetic ketoacidosis. J Vet Diagn Invest 2011; 24:295-300. [DOI: 10.1177/1040638711428332] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Diabetic ketoacidosis (DKA) is a life-threatening complication of diabetes mellitus (DM). The standard method of detection of ketone bodies is the dipstick method, which detects semiquantitatively acetoacetate, but not β-hydroxybutyrate (β-HB). The objectives of the current study were to assess the diagnostic utility of β-HB to diagnose diabetic ketosis (DK) and DKA in cats and to establish a cut-off value for the diagnosis of DKA. Sixty-two cats were included in the study. Eleven cats were healthy (group 1); in the remainder of cats (51), a diagnosis of DM was based on hyperglycemia, glucosuria, and increased fructosamine concentrations. Nineteen of 51 cats suffered from nonketotic diabetes mellitus (group 2). In 11 cats, plasma ketone bodies were detected with the dipstick method (diabetic ketosis, group 3). In 21 cats, plasma ketone bodies and metabolic acidosis were present (DKA, group 4). Plasma β-HB was measured in all cats by an enzymatic method (spectrophotometry). A cut-off value for the diagnosis of DKA was calculated based on the receiver operating characteristic curve. In healthy cats, the β-HB concentration ranged from 0 to 0.1 mmol/l; in cats of group 2, from 0 to 0.9 mmol/l (median: 0.1 mmol/l); in cats of group 3, from 0.6 to 6.8 mmol/l (median: 1.7 mmol/l); and in cats of group 4, from 3.8 to 12.2 mmol/l (median: 7.9 mmol/l). A cut-off value of 2.4 mmol/l revealed 100% sensitivity and 87% specificity to diagnose DKA. Beta-hydroxybutyrate is a useful parameter for the diagnosis of diabetic ketosis and DKA in cats.
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Besprechungen. GERMAN JOURNAL OF EXERCISE AND SPORT RESEARCH 1984. [DOI: 10.1007/bf03177652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Abstract
A sensitive and reproducible method for the quantitation of ristocetin-Willebrand factor activity in canine plasma is described. This assay measures the initial velocity of aggregation of suspensions of canine washed platelets in the presence of ristocetin and ristocetin-Willebrand factor. The washed platelets are stable for 4 h and when prepared from the same donor vary little in their day-to-day response to ristocetin. The calculated mean plasma ristocetin-Willebrand factor activity in 37 normal dogs using this method is 98 +/- 26% (mean +/- SD) Ristocetin-Willebrand activity is 106 +/- 25% in dogs with severe hemophilia A and 45 +/- 13% in dogs with moderate forms of von Willebrand's disease.
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An inherited platelet function defect in Basset hounds. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 1979; 20:211-5. [PMID: 509382 PMCID: PMC1789573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An inherited platelet function defect occurring in a family of basset hounds has been described. The trait is transmitted as an autosomal characteristic and appears to be expressed clinically only in the homozygous state. The characteristics of this platelet defect include:1) marked bleeding tendencies and prolonged skin bleeding times in either male or female dogs.2) normal blood coagulation mechanism.3) adequate numbers of circulating platelets which appear morphologically normal by light microscopy.4) normal whole blood clot retraction.5) deficient in vivo platelet consumption and in vitro platelet retention in glass bead columns.6) defective ADP-induced platelet aggregation in homozygotes, apparently normal ADP response in heterozygotes, and defective collagen-induced platelet aggregation in both.
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Effects of some commercial preparations of polychlorinated biphenyls in growing piglets. CANADIAN JOURNAL OF COMPARATIVE MEDICINE : REVUE CANADIENNE DE MEDECINE COMPAREE 1976; 40:421-8. [PMID: 826311 PMCID: PMC1277576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Sixty-four piglets were given ad libitum commercial rations containing 250 ppm of polychlorinated biphenyls as Aroclor 1232, Aroclor 1242 and Aroclor 1254 for periods up to 12 weeks. The toxic effects of the polychlorinated biphenyls upon plasma testosterone levels, the blood coagulation system, the gross- and micropathological changes as well as the extent and differences in their distribution and accumulation were studied. Principals given Aroclor 1232, Aroclor 1242 and Aroclor 1254 for the 12 week period gained 30, 10 and 50% more in body weight respectively than did controls. In the context of the present experiment, Aroclors (especially Aroclor 1254) at 250 ppm level in the ration, appeared to act as growth promoting substances. The mode and site of action of this effect is not known. The gross and micropathological examinations of controls and principals gave no evidence of anomalies. Similarly, the data on various parameters of blood coagulation did not reveal any disturbances. However, testosterone levels in plasma were elevated in male piglets given Aroclors. Analyses of polychlorinated biphenyls showed that the highest concentrations were present in adipose tissues of all treated animals. A cumulative tendency was also evident. The levels were relatively high in brain, in some instances higher than in liver of the same group. Levels in hepatic and muscular tissue were, in many instances, of the same magnitude.
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Factor XI (plasma thromboplastin antecedent) deficiency in cattle. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 1975; 16:160-3. [PMID: 1131792 PMCID: PMC1696930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Effect of a natural phosphatidyl serine fraction on blood coagulation, platelet aggregation and haemostasis. Br J Haematol 1969; 16:487-99. [PMID: 5795508 DOI: 10.1111/j.1365-2141.1969.tb00427.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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The effect of adenine nucleotides on thrombus formation, platelet count, and blood coagulation. Exp Mol Pathol 1966; 5:43-60. [PMID: 5929590 DOI: 10.1016/0014-4800(66)90004-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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THE INFLUENCE OF ADRENERGIC BLOCKING AGENTS ON METABOLIC EVENTS IN HEMORRHAGIC SHOCK IN THE DOG. ACTA ACUST UNITED AC 1955. [DOI: 10.1139/o55-090] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Dibenamine hydrochloride administered intravenously 30 min. after the onset of hemorrhage in anesthetized dogs, in which hemorrhagic hypotension (43–45 mm. Hg for 90 min.) of the Wiggers' type had been produced, resulted in an increased rate of survival as compared to that of untreated controls. The mean increase in plasma amino nitrogen and the percentage decrease in total arterial oxygen transport were significantly less in the Dibenamine-treated group. In animals treated with Dibenamine or Dibenzyline hydrochloride 85 min. after hemorrhage as compared to untreated controls, there were no significant differences in survival rate, plasma amino nitrogen, lactate, pyruvate, lactate/pyruvate ratio, bicarbonate content, or blood pH. The arterial oxygen transport, however, was significantly higher after than before treatment and also in the postinfusion period was higher in the two treated groups than in the untreated group. In these two late-treated groups, however, the plasma amino nitrogen increase was significantly greater in the fatalities than in the survivors during both the hypotensive and postinfusion periods. In the untreated group, differences between survivors and fatalities appeared only after the reinfusion of the withdrawn blood.
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THE INFLUENCE OF ADRENERGIC BLOCKING AGENTS ON METABOLIC EVENTS IN HEMORRHAGIC SHOCK IN THE DOG. ACTA ACUST UNITED AC 1955. [DOI: 10.1139/y55-090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Dibenamine hydrochloride administered intravenously 30 min. after the onset of hemorrhage in anesthetized dogs, in which hemorrhagic hypotension (43–45 mm. Hg for 90 min.) of the Wiggers' type had been produced, resulted in an increased rate of survival as compared to that of untreated controls. The mean increase in plasma amino nitrogen and the percentage decrease in total arterial oxygen transport were significantly less in the Dibenamine-treated group. In animals treated with Dibenamine or Dibenzyline hydrochloride 85 min. after hemorrhage as compared to untreated controls, there were no significant differences in survival rate, plasma amino nitrogen, lactate, pyruvate, lactate/pyruvate ratio, bicarbonate content, or blood pH. The arterial oxygen transport, however, was significantly higher after than before treatment and also in the postinfusion period was higher in the two treated groups than in the untreated group. In these two late-treated groups, however, the plasma amino nitrogen increase was significantly greater in the fatalities than in the survivors during both the hypotensive and postinfusion periods. In the untreated group, differences between survivors and fatalities appeared only after the reinfusion of the withdrawn blood.
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