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"Witte, Claudia"
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Evaluation of a collaborative ambulatory orthopedic care program for patients with hip and knee osteoarthritis: a comparative observational cohort study
by
Lembeck, Burkhard
,
Karimova, Kateryna
,
Witte, Claudia
in
Ambulatory medical care
,
Arthritis
,
Care and treatment
2022
Background
In 2014, the novel orthopedic care program was established by the AOK health insurance fund in southern Germany to improve ambulatory care for patients with musculoskeletal disorders. The program offers extended consultation times, structured collaboration between general practitioners and specialists, as well as a renewed focus on guideline-recommended therapies and patient empowerment. The aim of this study was to assess the impact of the program on health service utilization in patients with hip and knee osteoarthritis (OA).
Methods
This retrospective cohort study, which is based on claims data, evaluated health service utilization in patients with hip and knee OA from 2014 to 2017. The intervention group comprised OA patients enrolled in collaborative ambulatory orthopedic care, and the control group received usual care. The outcomes were participation in exercise interventions, prescription of physical therapy, OA-related hospitalization, and endoprosthetic surgery rates. Generalized linear regression models were used to analyze the effect of the intervention.
Results
Claims data for 24,170 patients were analyzed. Data for the 23,042 patients in the intervention group were compared with data for the 1,128 patients in the control group. Participation in exercise interventions (Odds Ratio (OR): 1.781; 95% Confidence Interval (CI): 1.230–2.577;
p
= 0.0022), and overall prescriptions of physical therapy (Rate Ratio (RR): 1.126; 95% CI: 1.025–1.236;
p
= 0.0128) were significantly higher in the intervention group. The intervention group had a significantly lower risk of OA -related hospitalization (OR: 0.375; 95% CI: 0.290–0.485;
p
< 0.0001). Endoprosthetic surgery of the knee was performed in 53.8% of hospitalized patients in the intervention group vs. 57.5% in the control group; 27.7% of hospitalized patients underwent endoprosthetic surgery of the hip in the intervention group versus 37.0% in the control group.
Conclusions
In patients with hip and knee OA, collaborative ambulatory orthopedic care is associated with a lower risk of OA-related hospitalization, higher participation in exercise interventions, and more frequently prescribed physical therapy.
Journal Article
Differences in opioid prescription rates between patients with musculoskeletal disorders enrolled in coordinated ambulatory healthcare and patients receiving usual care: a retrospective observational cohort study
2022
ObjectivesTo compare opioid prescription rates between patients enrolled in coordinated ambulatory care and patients receiving usual care.DesignIn this retrospective cohort study, we analysed claims data for insured patients with non-specific/specific back pain or osteoarthritis of hip or knee from 2014 to 2017.SettingThe study was based on administrative data provided by the statutory health insurance fund ‘Allgemeine Ortskrankenkasse’, in the state of Baden-Wurttemberg, Germany.ParticipantsThe intervention group consisted of patients enrolled in a coordinated ambulatory healthcare model; the control group included patients receiving usual care. Outcomes were overall strong and weak opioid prescriptions. Generalised linear regression models were used to analyse the effect of the intervention.ResultsOverall, 46 001 (non-specific 18 787/specific 27 214) patients with back pain and 19 366 patients with osteoarthritis belonged to the intervention group, and 7038 (2803/4235) and 963 patients to the control group, respectively. No significant difference in opioid prescriptions existed between the groups. However, the chance of being prescribed strong opioids was significantly lower in the intervention group (non-specific back pain: Odds Ratio (OR) 0.735, 95% Confidential Interval (CI) 0.563 to 0.960; specific back pain: OR 0.702, 95% CI 0.577 to 0.852; osteoarthritis: OR 0.644, 95% CI 0.464 to 0.892). The chance of being prescribed weak opioids was significantly higher in patients with specific back pain (OR 1.243, 95% CI 1.032 to 1.497) and osteoarthritis (OR 1.493, 95% CI 1.037 to 2.149) in the intervention group.ConclusionCoordinated ambulatory healthcare appears to be associated with a lower prescription rate for strong opioids in patients with chronic musculoskeletal disorders.Trial registration numberGerman Clinical Trials Register (DRKS00017548).
Journal Article
Pediatric Health-Related Quality of Life: A Structural Equation Modeling Approach
by
Villalonga-Olives, Ester
,
Witte, Claudia
,
Kawachi, Ichiro
in
Adults
,
Analysis
,
Behavioral sciences
2014
One of the most referenced theoretical frameworks to measure Health Related Quality of Life (HRQoL) is the Wilson and Cleary framework. With some adaptions this framework has been validated in the adult population, but has not been tested in pediatric populations. Our goal was to empirically investigate it in children.
The contributory factors to Health Related Quality of Life that we included were symptom status (presence of chronic disease or hospitalizations), functional status (developmental status), developmental aspects of the individual (social-emotional) behavior, and characteristics of the social environment (socioeconomic status and area of education). Structural equation modeling was used to assess the measurement structure of the model in 214 German children (3-5 years old) participating in a follow-up study that investigates pediatric health outcomes.
Model fit was χ2 = 5.5; df = 6; p = 0.48; SRMR = 0.01. The variance explained of Health Related Quality of Life was 15%. Health Related Quality of Life was affected by the area education (i.e. where kindergartens were located) and development status. Developmental status was affected by the area of education, socioeconomic status and individual behavior. Symptoms did not affect the model.
The goodness of fit and the overall variance explained were good. However, the results between children' and adults' tests differed and denote a conceptual gap between adult and children measures. Indeed, there is a lot of variety in pediatric Health Related Quality of Life measures, which represents a lack of a common definition of pediatric Health Related Quality of Life. We recommend that researchers invest time in the development of pediatric Health Related Quality of Life theory and theory based evaluations.
Journal Article
General practitioner-centred paediatric primary care reduces risk of hospitalisation for mental disorders in children and adolescents with ADHD: findings from a retrospective cohort study
by
Günther, Moritz Philipp
,
Karimova, Kateryna
,
Witte, Claudia
in
ADHD
,
Ambulatory care
,
Attention deficit hyperactivity disorder
2022
General practitioners (GPs) play an essential role in the sustainable management of attention-deficit/hyperactivity disorder (ADHD). To our knowledge, the healthcare programme described here is the first integrated care programme for paediatric ambulatory care embedded in GP-centred-healthcare in Germany.
To compare the health-service-utilisation of patients with ADHD enrolled in a GP-centred-paediatric-primary-care-programme with usual care in terms of disease-related hospitalisation, pharmacotherapy and psychotherapy.
In 2018, we conducted a retrospective cohort study of 3- to 18-year-old patients with ADHD in Baden-Wuerttemberg, southern Germany. The intervention group (IG) comprised patients enrolled in a GP-centred-paediatric-primary-healthcare-programme and consulted a participating GP for ADHD at least once. GP-centred-paediatric-primary-care provides high continuity of care, facilitated access to specialist care, extended routine examinations and enhanced transition to adult healthcare. Patients in the control group (CG) received usual care, meaning they consulted a non-participating GP for ADHD at least once. Main outcomes were disease-related hospitalisation, pharmacotherapy and psychotherapy. Multivariable logistic regression was performed to compare groups.
A total of 2317 patients were included in IG and 4177 patients in CG. Mean age was 8.9 ± 4.4. The risk of mental-disorder-related hospitalisations was lower in IG than CG (odds ratio (OR): 0.666, 95% confidence interval (CI): 0.509-0.871). The prescription rate for stimulants was lower in IG (OR: 0.817; 95% CI: 0.732-0.912). There was no statistically significant difference in the participation rate of patients in cognitive behavioural therapy between groups (OR: 0.752; 95% CI: 0.523-1.080).
Children and adolescents with ADHD enrolled in GP-centred-paediatric-primary-care are at lower risk of mental-disorder-related hospitalisation and less likely to receive stimulants.
Journal Article
Collaborative Ambulatory Orthopaedic Care in Patients with Hip and Knee Osteoarthritis: A Retrospective Comparative Cohort Study on Health Utilisation and Economic Outcomes
by
Lembeck, Burkhard
,
Karimova, Kateryna
,
Witte, Claudia
in
Arthritis
,
Cohort analysis
,
Collaboration
2023
To evaluate a novel healthcare programme for the treatment of patients with hip and knee osteoarthritis in southern Germany in terms of clinical and health economic outcomes. The study is based on claims data from 2014 to 2017.
We conducted a retrospective comparative cohort study of 9768 patients with hip and knee osteoarthritis, of whom 9231 were enrolled in a collaborative ambulatory orthopaedic care programme (intervention group), and 537 patients received usual orthopaedic care (control group). Key features of the programme are coordinated care, morbidity-adapted reimbursement and extended consultation times. Multivariable analysis was performed to determine effects on health utilisation outcomes. The economic analysis considered annual costs per patient from a healthcare payer perspective, stratified by healthcare service sector. Besides multivariable regression analyses, bootstrapping was used to estimate confidence intervals for predicted mean costs by group.
Musculoskeletal-disease-related hospitalisation was much less likely among intervention group patients than control group patients [odds ratio (OR): 0.079; 95% CI: 0.062-0.099]. The number of physiotherapy prescriptions per patient was significantly lower in the intervention group (RR: 0.814; 95% CI: 0.721-0.919), while the likelihood of participation in exercise programmes over one year was significantly higher (OR: 3.126; 95% CI: 1.604-6.094). Enrolment in the programme was associated with significantly higher ambulatory costs (€1048 vs. €925), but costs for inpatient care, including hospital stays, were significantly lower (€1003 vs. €1497 and €928 vs. €1300 respectively). Overall annual cost-savings were €195 per patient.
Collaborative ambulatory orthopaedic care was associated with reduced hospitalisation in patients with hip and knee osteoarthritis. Health costs for programme participants were lower overall, despite higher costs for ambulatory care.
Journal Article
Enhancing patient activation: a controlled implementation study of an interprofessional evidence-based counseling program for complementary and integrative healthcare in cancer patients ('CCC-Integrativ')
by
Witte, Claudia
,
Klafke, Nadja
,
on behalf of the CCC-Integrativ Study Group
in
Adult
,
adult oncology
,
Aged
2024
Complementary and integrative healthcare (CIH) is increasingly recognized as a valuable approach to empowering and activating cancer patients. Studies have shown that higher patient activation is positively associated with improved health outcomes and reduced healthcare costs. The CCC-Integrativ study aimed to assess the implementation of an evidence-based counseling service on CIH at four Comprehensive Cancer Centers (CCC) in Germany. In this controlled implementation study, the patient-level intervention included three CIH consultations within a 3-month period delivered by interprofessional teams of physicians and nurses. The primary endpoint was patient activation using the PAM-13 at baseline (T1) and post-intervention (T2), and compared between control (CO, receiving routine care) and the intervention group (IG) using an analysis of covariance. Missing data were handled with multiple imputations. Maintenance effects at 6-month follow-up (T3) were investigated using a linear mixed model. A total of n = 1128 oncology patients (CO = 443, IG = 685) with diverse tumor entities and cancer stages were included in the study. The overall mean baseline PAM-13 score was 69.74 (SD = 14.24) ( n = 959 (85.0 %)). A statistically significant between-group difference in post-intervention PAM-13 scores was observed (F group(1, 1866.82) = 8.634, P = 0.003), with an adjusted mean difference of 2.22 PAM-points. Age, gender, tumor entity, disease stage, or CCC study site did not significantly predict post-treatment PAM-13 scores. The maintenance effect of the intervention was not statistically significant (F timeXgroup(1, 3316.04) = 2.337, P = 0.096). Individually tailored counseling on CIH, offered by specifically trained, interprofessional teams, significantly improved patient activation. Given the established positive effects of higher patient activation, the implementation of such a program at cancer centers may yield beneficial outcomes for both patients and the healthcare system.
Journal Article
Health related quality of life of immigrant children: towards a new pattern in Germany?
by
Villalonga-Olives, Ester
,
Witte, Claudia
,
Kawachi, Ichiro
in
Biostatistics
,
Child, Preschool
,
Emigrants and Immigrants
2014
Background
To study Health related quality of life (HRQoL) of a sample of kindergarten children with migration background.
Methods
Five kindergartens in Frankfurt/Main and Darmstadt (Germany) participated. HRQoL was measured with the Kiddy-KINDL (KK) in 3 to 5 year old children. We examined the associations of HRQoL with socio-demographic variables, positive development and resilience, socio-emotional and motor development. Linear regression models were applied to examine differences in HRQoL between migrant and native-born German children.
Results
The response rate was 90.5% (N = 283). The children had predominantly migrant background (81.35%). Perceived health was slightly higher in migrants (69.85, SD 17.00) compared to native-born German children (68.33, SD 17.31, p > 0.05), even though migrant children were characterized by a lower socio-economic status (p < 0.01).
Conclusions
Results suggest that HRQoL at early ages in our study exhibits a different pattern than reported previously in studies among older individuals. We attribute the discrepancy partly to a possible changing pattern of migration in Europe with more migrants capable to migrate with healthy profiles, and to the age of our population. Our findings underscore the need to study the life course trajectory of HRQoL among young immigrants and replication in representative samples.
Journal Article
CD38 ecto-enzyme in immune cells is induced during aging and regulates NAD+ and NMN levels
2020
Decreased NAD
+
levels have been shown to contribute to metabolic dysfunction during aging. NAD
+
decline can be partially prevented by knockout of the enzyme CD38. However, it is not known how CD38 is regulated during aging, and how its ecto-enzymatic activity impacts NAD
+
homeostasis. Here we show that an increase in CD38 in white adipose tissue (WAT) and the liver during aging is mediated by accumulation of CD38
+
immune cells. Inflammation increases CD38 and decreases NAD
+
. In addition, senescent cells and their secreted signals promote accumulation of CD38
+
cells in WAT, and ablation of senescent cells or their secretory phenotype decreases CD38, partially reversing NAD
+
decline. Finally, blocking the ecto-enzymatic activity of CD38 can increase NAD
+
through a nicotinamide mononucleotide (NMN)-dependent process. Our findings demonstrate that senescence-induced inflammation promotes accumulation of CD38 in immune cells that, through its ecto-enzymatic activity, decreases levels of NMN and NAD
+
.
Chini et al. demonstrate that CD38
+
expression in immune cells increases during aging, owing to the senescence-associated secretory phenotype of senescent cells, and the ecto-enzymatic activity of CD38
+
affects intracellular NAD
+
levels in vivo by hydrolyzing the NAD
+
intermediate nicotinamide mononucleotide extracellularly.
Journal Article
The quality of life of older people aging in place: a literature review
2017
Purpose In order to cope with the challenges that are the result of an aging population, policies and services promote keeping elders in the community and letting them age in place rather than sending them to specialized institutions. Aging in place refers to the option where people can stay in their homes as they age. This policy option, however, poses various challenges and may also threaten the quality of life of the aging. A literature review was performed on the quality of life of older people aging in place to determine whether the actual assessment of quality of life can be used within aging in place. Methods Web of Science, PubMed, CINAHL, Sociological Abstracts and Social Science Research Network were searched for publications on \"Ag(e)ing in place\" AND \"Quality of life.\" Results Although assessment is crucial to a policy pursuing a good quality of life, literature reveals that it is seldom performed. Only a small part of the studies report on the assessment of quality of life, including the instruments used and the results. The findings also indicate that there is no consensus on the definition of quality of life or its domains structures. Conclusion As no existing instrument assessing the quality of life of older people aging in place could be identified, such a tool should be developed, because any policy towards this growing group of people should be complemented by an evaluation.
Journal Article
A workplace organisational intervention to improve hospital nurses’ and physicians’ mental health: study protocol for the Magnet4Europe wait list cluster randomised controlled trial
by
McHugh, Matthew
,
Schaufeli, Wilmar B
,
Bridges, Jackie
in
Burnout
,
Child & adolescent mental health
,
Clinical outcomes
2022
IntroductionThe increasing burden of mental distress reported by healthcare professionals is a matter of serious concern and there is a growing recognition of the role of the workplace in creating this problem. Magnet hospitals, a model shown to attract and retain staff in US research, creates positive work environments that aim to support the well-being of healthcare professionals.Methods and analysisMagnet4Europe is a cluster randomised controlled trial, with wait list controls, designed to evaluate the effects of organisational redesign, based on the Magnet model, on nurses’ and physicians’ well-being in general acute care hospitals, using a multicomponent implementation strategy. The study will be conducted in more than 60 general acute care hospitals in Belgium, England, Germany, Ireland, Norway and Sweden. The primary outcome is burnout among nurses and physicians, assessed in longitudinal surveys of nurses and physicians at participating hospitals. Additional data will be collected from them on perceived work environments, patient safety and patient quality of care and will be triangulated with data from medical records, including case mix-adjusted in-hospital mortality. The process of implementation will be evaluated using qualitative data from focus group and key informant interviews.Ethics and disseminationThis study was approved by the Ethics Committee Research UZ/KU Leuven, Belgium; additionally, ethics approval is obtained in all other participating countries either through a central or decentral authority. Findings will be disseminated at conferences, through peer-reviewed manuscripts and via social media.Trial registration numberISRCTN10196901.
Journal Article