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1.
Background
Subcutaneous peripheral nerve field stimulation (sPNFS) is an established procedure for the treatment of chronic localized neuropathic pain of peripheral origin. The treatment of nummular headache primarily focuses on conservative methods with limited prospects of success. The role of sPNFS in the treatment of nummular headache has not been investigated as yet.Question
Is the sPNFS an option in the management of nummular headache?Materials and methods
In addition to a summary of established methods in the treatment of nummular headache, sPNFS as a possible form of therapy is discussed.Results
A positive effect of sPNFS in terms of the treatment of nummular headache is shown.Discussion
sPNFS stimulates free subcutaneous nerves and transmits a pleasant form of paraesthesia in the area of pain. If regular conservative therapy has already been exhausted, then sPNFS might be an effective new option in the treatment of nummular headache. sPNFS is a minimally invasive and low-risk procedure. However, the high treatment cost and restrictions regarding fitness to undergo MRI are points of criticism. Further studies are needed to define its potential and role in the treatment of nummular headache.2.
3.
Background
As there is currently no gold standard for the diagnosis of SIJ dysfunction, a broad variety of tests exist to clinically identify pelvic girdle pain caused by reversible SIJ dysfunction. Some of the pain provocation tests have already been evaluated. However, the tests used by the majority of German physicians competent in manual medicine (MM) have not yet been evaluated. Therefore, such an evaluation is necessary.Objective
The aims of the study were to evaluate the reliability of functional and pain provocation tests used in SIJ diagnostics, and to propose a useful set of reliable tests.Methods
Two raters investigated 161 subjects (81 symptomatic with low back pain, 80 asymptomatic controls) in a blinded setting, each with a set of three functional and six pain provocation tests. Three of the pain provocation tests had already been evaluated and these were used for comparison with the non-evaluated tests.Results
The Cohen’s kappa coefficients of the newly evaluated tests were better (κ?=?0.76–1.00) than those of the previously evaluated tests (κ?=?0.65–0.89). The functional tests had a lower κ?coefficient and an overly wide confidence interval (CI), and were thus evaluated as being not reliable and only suitable as screening tests.Conclusions
The pain provocation tests, which use palpable irritation deep in the gluteal muscles with provocation in two planes, are at least as reliable as the already evaluated tests. We recommend adding SIJ irritation point diagnostics to the set of “3 out of 5 positive pain provocation tests” for safe diagnosis of SIJ dysfunction.4.
Background
Owing to a rise of psychosomatic comorbidities, the treatment of psychological disorders, which may negatively impact prognosis and therapy, is increasingly becoming a focus of attention for pain outpatient clinics.Aim
This study investigates and discusses the advantages of liaison psychiatric care in a university pain clinic.Methods
In this retrospective study, we investigated all patients who presented to an anaesthesiologically led pain clinic between January and June 2014. The psychiatric history was taken by the liaison psychiatrist of the pain clinic.Results
In the period investigated, 485 patients were treated as outpatients. A psychiatric diagnosis was present 351 patients (72.4%). The distribution of the diagnoses was comparable with that of a consultation service. Adaptation and affective disorders dominated. The patients were preferentially treated with new generation antidepressants.Conclusion
The constant presence of a liaison psychiatrist allows for timely, specialised care of pain patients in terms of a multimodal therapeutic approach.5.
Background
The labrum is a biomechanically important structure of the hip joint. In the event of labral loss the new technique of labral reconstruction is aimed at restoring the anatomy and function of the labrum and thus prevention of joint degeneration.Objective
The results and evidence relating to labral reconstruction are presented.Material and methods
The currently available studies were evaluated and the biomechanical and clinical articles on labral reconstruction are discussed.Results
There are a large number of different indications and surgical variants of this procedure. Biomechanical and clinical studies concerning labral defects show that the situation is improved by a reconstruction.Discussion
As a result of the small number of cases and the low quality of the publications, there is as yet a lack of clinical evidence concerning this new surgical method. The biomechanical results suggest that reconstruction of a segmental labral defect is plausible for selected cases. Initial clinical results have to be confirmed by further studies in the long term.6.
Background
The in part promising, in part discrepant efficacy of psychological treatment of chronic musculoskeletal pain indicates a demand for interdisciplinary assessment and corresponding treatment structures with differentiated degrees of psychological and syndrome-specific specialization within a multimodal orthopedic context. Acceptance of pain and psychological flexibility are strongly related to physical impairments caused by pain.Objective
Goals are improved outcomes of medical and physical treatment measures as well as their flexible implementation in daily life through a differentially indicated psychological pain therapy focusing on pain acceptance and mindfulness.Methods
This study employed the “active not doing and generating inner silence” exercise from mindful-based pain therapy (“Achtsamkeitsbasierte Schmerztherapie”, ABST).Results
Pure observation of a problem without an attempt to solve it is unusual and strange. Prerequisites for such exercises are willingness to engage as well as courage and openness.Conclusion
A differentiated indication for clinical psychological treatment or psychotherapy of pain—a highly specialized form of psychological pain therapy—should be based on the diagnostic criterium of pain acceptance.7.
Lindgren S Odenstedt H Olegård C Söndergaard S Lundin S Stenqvist O 《Intensive care medicine》2007,33(1):172-180
Objective
To assess lung volume and compliance changes during open- and closed-system suctioning using electric impedance tomography (EIT) during volume- or pressure-controlled ventilation.Design and setting
Experimental study in a university research laboratory.Subjects
Nine bronchoalveolar saline-lavaged pigs.Interventions
Open and closed suctioning using a 14-F catheter in volume- or pressure-controlled ventilation at tidal volume 10?ml/kg, respiratory rate 20?breaths/min, and positive end-expiratory pressure 10?cmH2O.Measurements and results
Lung volume was monitored by EIT and a modified N2 washout/-in technique. Airway pressure was measured via a pressure line in the endotracheal tube. In four ventral-to-dorsal regions of interest regional ventilation and compliance were calculated at baseline and 30?s and 1, 2, and 10?min after suctioning. Blood gases were followed. At disconnection functional residual capacity (FRC) decreased by 58?±?24% of baseline and by a further 22?±?10% during open suctioning. Arterial oxygen tension decreased to 59?±?14% of baseline value 1?min after open suctioning. Regional compliance deteriorated most in the dorsal parts of the lung. Restitution of lung volume and compliance was significantly slower during pressure-controlled than volume-controlled ventilation.Conclusions
EIT can be used to monitor rapid lung volume changes. The two dorsal regions of the lavaged lungs are most affected by disconnection and suctioning with marked decreases in compliance. Volume-controlled ventilation can be used to rapidly restitute lung aeration and oxygenation after lung collapse induced by open suctioning.8.
Automatic adjustment of pressure support by a computer-driven knowledge-based system during noninvasive ventilation: a feasibility study 总被引：1，自引：1，他引：0
Objective
To evaluate the feasibility of using a knowledge-based system designed to automatically titrate pressure support (PS) to maintain the patient in a “respiratory comfort zone” during noninvasive ventilation (NIV) in patients with acute respiratory failure.Design and setting
Prospective crossover interventional study in an intensive care unit of a university hospital.Patients
Twenty patients.Interventions
After initial NIV setting and startup in conventional PS by the chest physiotherapist NIV was continued for 45?min with the automated PS activated.Measurements and results
During automated PS minute-volume was maintained constant while respiratory rate decreased significantly from its pre-NIV value (20?±?3 vs. 25?±?3?bpm). There was a trend towards a progressive lowering of dyspnea. In hypercapnic patients PaCO2 decreased significantly from 61?±?9 to 51?±?2?mmHg, and pH increased significantly from 7.31?±?0.05 to 7.35?±?0.03. Automated PS was well tolerated. Two system malfunctions occurred prompting physiotherapist intervention.Conclusions
The results of this feasibility study suggest that the system can be used during NIV in patients with acute respiratory failure. Further studies should now determine whether it can improve patient-ventilator interaction and reduce caregiver workload.10.
Background
Poverty is an important problem in Germany. The health effects of poverty can lead to a higher risk of disease and the arising of chronic affections. On the other hand chronic illness may support the development and continuance of poverty. The context of chronic pain and poverty has not been analyzed so far.Objectives
We investigated the correlation between chronic pain and poverty.Materials and methods
In a prospective manner we interviewed 20 patients with pain syndromes during our consultation hour regarding their household income. Further, data from the German Federal Statistical Office were analyzed with respect to the correlation between the incidence of a chronic pain diagnosis and household income.Results
At 1546?€, the average household income of the patients studied was below the poverty level. The analyzed data showed that women suffered from chronic pain more often than men did and also had a lower income. Another economic inequality was found between Eastern and Western Germany. There was a statistically significant correlation between income and the incidence of the diagnostic codes for chronic pain (R52.1, 2, 9) for men.Conclusion
Our investigation showed the correlation between chronic pain and poverty. A commitment and cooperation of German medical associations and federal politics is necessary to overcome this sociopolitical issue.11.
12.
Background
The Patrick’s sign is used for investigation of tension conditions related to dysfunction of the lumbo-pelvic-hip-region as well as for follow-up of manual medical mobilization techniques in which its normalization is considered a success. The present study evaluated for the first time whether there is any relationship between Patrick’s sign and pain intensity in the lumbo-pelvic-hip-region as well as functional impairment during and after conservative inpatient therapy in patients without a clear pathomorphological complaint correlate.Patients and methods
At four different timepoints (upon admission, after 4–10 days, and after 1 and 3 months), the abduction angle in the hip joint was assessed under application of a predefined force with a specifically developed measuring device in 32 participants (30.4 to 76.7 years old) between April 2016 and January 2017. Data on pain were collected using a visual analog scale, the Oswestry Disability Index, and the Roland–Morris score.Results
During the observation period, the results demonstrate a statistically significant improvement of all analyzed parameters concerning complaints. This is consistent with a statistically significant increase in average abduction angle at each follow-up control compared to baseline data, and correlates significantly with reduction of pain intensity and functional impairment.Conclusions
In this study, it was proven for the first time that increased hip abduction in the Patrick’s test not only demonstrates elimination of dysfunction in lumbo-pelvic-hip-region, but also can be considered as a predictor for pain relief in this body region and for reduction of functional impairment during daily routine.13.
K. Limbrecht-Ecklundt P. Werner H. C. Traue A. Al-Hamadi S. Walter 《Schmerz (Berlin, Germany)》2016,30(3):248-256
Background
The monitoring of facial expressions to assess pain intensity provides a way to determine the need for pain medication in patients who are not able to do so verbally.Objectives
In this study two methods for facial expression analysis – Facial Action Coding System (FACS) and electromyography (EMG) of the zygomaticus muscle and corrugator supercilii – were compared to verify the possibility of using EMG for pain monitoring.Material and methods
Eighty-seven subjects received painful heat stimuli via a thermode on the right forearm in two identical experimental sequences – with and without EMG recording.Results
With FACS, pain threshold and pain tolerance could be distinguished reliably. Multiple regression analyses indicated that some facial expressions had a predictive value. Correlations between FACS and pain intensity and EMG and pain intensity were high, indicating a closer relationship for EMG and increasing pain intensity. For EMG and FACS, a low correlation was observed, whereas EMG correlates much better with pain intensity.Conclusions
Results show that the facial expression analysis based on FACS represents a credible method to detect pain. Because of the expenditure of time and personal costs, FACS cannot be used properly until automatic systems work accurately. The use of EMG seems to be helpful in the meantime to enable continuous pain monitoring for patients with acute post-operative pain.14.
Background
Parental reactions to their child’s pain can comprise cognitive-affective and behavioral responses. Dysfunctional responses like parental catastrophizing may lead to an aggravation of the child’s pain.Objectives
Aims of the online-based study were (1) to psychometrically evaluate existing questionnaires into cognitive-affective (Pain Catastrophizing Scale for Parents; PCS-P) and behavioral responses (Inventar zum schmerzbezogenen Elternverhalten; ISEV-E) within a sample of 105 healthy parents, and (2) to compare their responses to existing (inter)national clinical samples and to the reactions of 80 parents with self-reported chronic pain from the general population.Methods
The assessment of parental pain-related reactions was online-based.Results
While the factor structure of the ISEV-E could not be replicated, the three factors of the PCS-P could be replicated. Parental catastrophizing of the healthy parents was lower compared to clinical samples. Healthy parents did not differ from parents with chronic pain from the general population.Conclusion
The results offer a basis to grade parental catastrophizing, so that risk-groups can be identified.15.
Background
The use of a scientifically developed App for pain management in the home care setting is not yet established in Germany. The documentation of pain-specific data by the patients and the transfer into a web portal to be examined by the attending physician can help close the existing communication gap in pain management between consultations.Objectives
The aim of the study was to develop a mobile health (mHealth) solution for optimizing pain management in the home care setting. The research questions focus on design and technical issues concerning layout and navigation of the painApp as well as user-relevant questions concerning pain management, such as pain at rest and pain during movement, taking pain medication and patient satisfaction with their pain situation.Materials and methods
Within a 12-month period, the user-centered development and practice-based testing of the application painApp involved patients aged?≥?65 years. Within a formative evaluation, a total of four data collections and a final survey took place. During the same period, a web portal was developed and tested the documentation of the patient pain-specific data from the painApp with the participation of general practitioners.Results and conclusions
The development of the painApp as a prototype was realized in the study with high acceptability by the patients. The painApp is able to establish digital communication with the general practitioner without any technical problems and allows the physician access to patient data in real time.16.
Background
Pain, restriction of mobility and cognitive impairment are often present in old age and intensify each other.Objectives
Is there a relationship between mobility, pain, cognitive capacity, diagnoses and number of prescribed medication for residents of nursing homes?Methods
Subgroup analysis of the baseline data from an intervention study for optimization of the medication safety of 120 nursing home residents.Results
Pain was presumed in 77.8% of the residents. Persons with cognitive impairment were more frequently affected. The results of the observational and self-reported pain assessment in cognitively impaired patients did not agree for two-thirds of the cases. A correlation between prevalence of pain, pain intensity and mobility could only be shown for persons without cognitive impairment. Half of the persons were unable to walk; 80% of the residents with analgesics as a permanent medication were more restricted in their mobility.Conclusions
Cognitive impairment is associated with pain and reduced mobility, whereby self-rated pain did not concur with the observational pain assessment for two-thirds of the residents with cognitive impairment. This illustrates the difficulty of observational pain assessment.18.
Background
There is a high prevalence of femoroacetabular impingement (FAI) in the population and it is associated with an increased risk for the development of coxarthrosis, particularly in impact sports (2–8 times).Material and methods
Methods for screening and prevention of FAI and their application are demonstrated. Cross-sectional and longitudinal cohort studies are presented in this article and expert recommendations and meta-analyses are discussed.Results
The development of a cam FAI and also the formation of secondary hip arthritis can (and should) be prevented by avoidance of certain impact sports (training methods) during the skeletal growth phase. The internal rotation of the hips during flexion is a useful screening test to identify individuals with FAI. A recently developed specific examination chair has clearly improved the precision of this test compared to the classical clinical test.Conclusion
The prevention of FAI and secondary hip arthritis may occur at two levels: during the sensitive (prepubertal) phase the development of FAI can (should) be prevented by avoiding activities that potentially injure the growth plate of the femoral head. Furthermore, screening tests could enable early detection of patients with FAI. These individuals could (should) be advised regarding appropriate behavioral modifications and treatment options depending on the symptoms.19.
Background
Increased pain sensitivity is characteristic for patients with chronic pain disorder with somatic and psychological factors (F45.41). Persistent stress can induce, sustain, and intensify pain sensitivity, thereby modulating pain perception. In this context, it would be favorable to investigate which psychosocial stressors are empirically linked to pain sensitivity.Objectives
The aim of this study was to examine the relationship between psychosocial stressors and pain sensitivity in a naturalistic sample of patients with chronic pain disorder with somatic and psychological factors (F45.41).Materials and methods
We assessed 166 patients with chronic pain disorder with somatic and psychological factors (F45.41) at entry into an inpatient pain clinic. Pain sensitivity was measured with a pain provocation test (Algopeg) at the middle finger and earlobe. Stressors assessed were exposure to war experiences, adverse childhood experiences, illness-related inability to work, relationship problems, and potentially life-threatening accidents. Correlation analyses and structural equation modeling were used to examine which stressors showed the strongest prediction of pain sensitivity.Results
Patients exhibited generally heightened pain sensitivity. Both exposure to war and illness-related inability to work showed significant bivariate correlations with pain sensitivity. In addition to age, they also predicted a further increase in pain sensitivity in the structural equation model.Conclusions
Bearing in mind the limitations of this cross-sectional study, these findings may contribute to a better understanding of the link between psychosocial stressors and pain sensitivity.20.
Maisch S Boehm SH Weismann D Reissmann H Beckmann M Fuellekrug B Meyer A Schulte Am Esch J 《Intensive care medicine》2007,33(5):912-916