Publications by authors named "Klaus Linde"

Introduction: According to ICD-11, personality disorders (PDs) are defined by the severity of self and interpersonal dysfunction in terms of personality functioning (PF) and an optional assessment of specific maladaptive personality trait expressions. Also, somatoform disorders are replaced by somatic symptom disorder (SSD). This study examines associations using the novel diagnostic criteria of SSD in an unselected primary care sample, PF, and maladaptive traits in patients with and without SSD.

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Background: Available data suggest that general practitioners (GPs) in Germany use complementary and alternative medicine (CAM) modalities more frequently than GPs in many other countries. We investigated the country differences perceived by general practitioners who have worked in Germany and in one of four other European countries with regard to the role of complementary and alternative treatments in primary care.

Methods: In this qualitative study we conducted semi-structured interviews with 12 GPs who had worked both in Germany and Italy, the Netherlands, Norway or the United Kingdom (UK; n = 3 for each of the four countries).

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Objectives: To develop a new questionnaire for the diagnostic assessment of depression adapted to the primary care setting by combining psychiatric criteria and heuristics of general practitioners (GPs). Psychometric evaluation of the new questionnaire and first validity evidence.

Design: The questionnaire was developed using cognitive interviews with think-aloud technique.

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Background: Screening for depression in primary care alone is not sufficient to improve clinical outcomes. However, targeted feedback of the screening results to patients might result in beneficial effects. The GET.

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Introduction: Based on two diagnostic accuracy studies in high-prevalence settings, two distinctly different combinations of cut-off values have been recommended to identify persons at risk for somatic symptom disorder (SSD) with the combination of the Patient-Health Questionnaire-15 (PHQ-15) and the Somatic Symptom Disorder-B Criteria Scale (SSD-12). We investigated whether the reported sensitivity and specificity of both recommended cut-off combinations are transferable to primary care.

Methods: In a cross-sectional study, 420 unselected adult primary care patients completed PHQ-15 and SSD-12.

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Background: At the beginning of the pandemic in 2020, healthcare assistants in general practices were confronted with numerous new challenges. The aim of the study was to investigate the stress factors of healthcare assistants in March/April 2020 as well as in the further course of the pandemic in 2020.

Methods: From August to December 2020, 6,300 randomly selected healthcare assistants in four German states were invited to participate in the study.

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Objective: Hydrotherapy is a traditional prevention and treatment strategy. This study's aim is to systematically review all available randomised controlled trials (RCTs) investigating clinical effects of hydrotherapy according to Kneipp which is characterised by cold water applications.

Methods: RCTs on disease therapy and prevention with Kneipp hydrotherapy were included.

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Background And Objectives: The first wave of the COVID-19 pandemic (Mar-Apr 2020) posed significant challenges for primary care. The goal of this study was to analyse the burden of the crisis situation as experienced by the general practitioners (GPs) at its beginning and over the course of the pandemic and to identify factors predictive of the sense of being overburdened.

Methods: In this cross-sectional study, a total of 6300 randomly selected GPs in four federal states of Germany were contacted per post in order to survey changes in health care they provided and their psychological burden in the context of the pandemic between August and October 2020.

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Background: Post-COVID syndrome (PCS) is defined by symptom persistence accompanied by daily life impairment (DLI). The association of somatic symptom disorder (SSD) and symptoms with DLI after SARS-CoV-2 infection in the general population is unclear to date. The main objective of the study was to investigate the association of possible SSD, depression, anxiety, and participant-reported symptoms with DLI in a local population sample.

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Background: Asthma education programs (AEPs) have been shown to increase quality of life and reduce emergency treatments and hospital admissions. Despite the proven benefits, only a minority of asthma patients attend such programs. To increase the number of educated patients, an online education program (electronic AEP, eAEP) for asthma patients has been developed.

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Objectives: To estimate the treatment incidence of post-COVID syndrome (postinfectious sequelae present at least 12 weeks following infection) in the context of ambulatory care in Bavaria, Germany, and to establish whether related diagnoses occur more frequently than in patients with no known history of COVID-19.

Design: Retrospective cohort analysis of routinely collected claims data.

Setting: Ambulatory care in Bavaria, Germany, observed from January 2020 to March 2022 (data accessed May 2022).

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Background: During the state of emergency in Bavaria in the early Corona phase 2020, some physicians in ambulatory care were appointed as regional medical coordinators (RMCs). The aim of the present study was to evaluate this newly introduced but temporary position.

Methods: In November 2020, a paper-based questionnaire was sent out to all 85 RMCs who could be identified through an internet research and to all 197 teaching practices of the Institute of General Practice and Health Services Research at the Technical University of Munich.

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Asthma education programs (AEPs) for patients are known to be important to provide skills to effectively manage the disease. We developed an electronic AEP (eAEP) and assessed the extent to which patients with asthma in primary care are capable to use the eAEP and whether asthma knowledge improved after eAEP. A single-arm pilot study was performed between November 2019 and December 2020 in 12 general practices in Upper Bavaria, Germany.

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Background: This study aimed to investigate the knowledge, attitudes, behaviors, and COVID-19 vaccine hesitancy of people with migratory backgrounds among Turkish- and German-speaking patients in Munich.

Methods: Primary outcomes were the intention to get vaccinated for COVID-19 and COVID-19 knowledge levels (25 true/false items). Other variables included demographics, attitudes to COVID-19 and vaccination (7 items), and behaviors regarding COVID-19 (7 items).

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The study aimed to evaluate the diagnostic accuracy of contact history and clinical symptoms and to develop decision rules for ruling-in and ruling-out SARS-CoV-2 infection in family practice. We performed a prospective diagnostic study. Consecutive inclusion of patients coming for COVID-PCR testing to 19 general practices.

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Background: Risk factors of severe COVID-19 have mainly been investigated in the hospital setting. We investigated pre-defined risk factors for testing positive for SARS-CoV-2 infection and cardiovascular or pulmonary complications in the outpatient setting.

Methods: The present cohort study makes use of ambulatory claims data of statutory health insurance physicians in Bavaria, Germany, with polymerase chain reaction (PCR) test confirmed or excluded SARS-CoV-2 infection in first three quarters of 2020.

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Objective: The aim of this study was to investigate the influence of the perceived risk of recourse claims and the extent of personal recourse experience among general practitioners (GPs) and orthopedists in private practice.

Methods: A four-page questionnaire on the effects and consequences of the threat of recourse or recourse actually experienced was sent to a nationwide random sample of 1000 GPs and 1000 orthopedists.

Results: The response rate was 41% for GPs and 39% for orthopedists; 47% of the participating GPs and 55% of the orthopedists stated that the risk of recourse was a heavy burden in everyday practice, 37/47% that it had a strong influence on their medical practice.

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Background: After the 'first wave' in spring 2020, opinions regarding the threat and measures against COVID-19 seemed to vary among German general practitioners (GPs).

Objectives: To systematically investigate opinions and to identify subgroups of GPs sharing similar views.

Methods: A questionnaire was sent to all 210 practices accredited for undergraduate teaching of family medicine at the Medical Faculty of the Technical University of Munich.

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To strengthen the coordinating function of general practitioners (GPs) in the German healthcare system, a copayment of €10 was introduced in 2004. Due to a perceived lack of efficacy and a high administrative burden, it was abolished in 2012. The present cohort study investigates characteristics and differences of GP-coordinated and uncoordinated patients in Bavaria, Germany, concerning morbidity and ambulatory specialist costs and whether these differences have changed after the abolition of the copayment.

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Article Synopsis
  • Migraine is a prevalent condition among children and adolescents, but there hasn't been a comprehensive comparison of various nonpharmacological treatments for it.
  • This study conducted a systematic review and network meta-analysis to assess whether nonpharmacological treatments are more effective than simply being on a waiting list, analyzing data from multiple reputable sources.
  • The results showed that certain interventions like self-administered treatments and psychological methods were significantly more effective than the waiting list, but when evaluating each treatment individually, none showed strong statistical significance, highlighting a need for further research in this area.
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Objectives: The degree to which the effects of acupuncture treatment vary between acupuncturists is unknown. We used a large individual patient dataset of trials of acupuncture for chronic pain to assess practitioner heterogeneity.

Methods: Individual patient data linked to identifiable acupuncturists were drawn from a dataset of 39 high-quality trials of acupuncture, where the comparators were either sham acupuncture or non-acupuncture controls, such as standard care or waitlist.

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Article Synopsis
  • The study analyzed the impact of Germany's 2012 decision to abolish copayment for outpatient consultations on the coordination of care by general practitioners (GPs) from 2011 to 2016.
  • Findings revealed that the share of patients receiving coordinated care dramatically dropped from 49.6% in 2011 to 15.5% in 2016, with younger patients and those in less deprived areas experiencing the biggest declines.
  • Additionally, there was an increase in ambulatory emergency visits and instances of 'doctor shopping,' indicating diminished GP oversight in specialized care following the copayment removal.
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Background: Qualitative and quantitative surveys show that many German general practitioners (GPs) use complementary and alternative medicine (CAM) in their daily work. However, participants in such studies were mostly experienced GPs.

Objective: The aim of this study was to investigate systematically how young GPs view CAM and to what extent and how they use CAM treatments.

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Background: In a recent individual patient data meta-analysis, acupuncture was found to be superior to sham and non-sham controls in patients with chronic pain. It has been suggested that a subgroup of patients has an exceptional response to acupuncture. We hypothesized the presence of exceptional acupuncture responders would lead to a different distribution of pain scores in acupuncture versus control groups, with the former being skewed to the right.

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Background: Many German general practitioners (GPs) use complementary and alternative medicine (CAM) in their daily work although most CAM procedures are controversial from an academic point of view.

Objective: We aimed to investigate how GPs justify their use of CAM.

Methods: We performed semi-structured, individual face-to-face interviews with 20 purposively sampled, experienced GPs providing primary care within the framework of the German statutory health insurance system.

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