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Anterior cervical osteophytes: a rare culprit of unilateral vocal cord palsy. ANZ J Surg 2024; 94:967-969. [PMID: 38486437 DOI: 10.1111/ans.18934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/21/2024] [Accepted: 02/25/2024] [Indexed: 05/22/2024]
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Association between perceived coercion and perceived level of information in involuntarily admitted patients: Results from a multicenter observational study in Switzerland. INTERNATIONAL JOURNAL OF LAW AND PSYCHIATRY 2023; 91:101934. [PMID: 37738688 DOI: 10.1016/j.ijlp.2023.101934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/02/2023] [Accepted: 09/03/2023] [Indexed: 09/24/2023]
Abstract
BACKGROUND Involuntary admissions (IA) to psychiatric hospitals are controversial because they interfere with people's autonomy. In some situations, however, they appear to be unavoidable. Interestingly, not all patients perceive the same degree of coercion during IA. The aim of this study was to assess whether the level of knowledge about one's own IA is associated with perceived coercion. METHODS This multicenter observational study was conducted on n = 224 involuntarily admitted patients. Interviews were conducted at five study centers from April 2021 to November 2021. The Macarthur Admission Experience Survey was administered to assess perceived coercion. Knowledge of involuntary admission, perceptions of information received, and attitudes towards legal aspects of involuntary admission were also assessed. RESULTS We found that higher levels of knowledge about IA were negatively associated with perceived coercion at admission. Perceived coercion did not differ between study sites. Only half of the patients felt well informed about their IA, and about a quarter found the information they received difficult to understand. DISCUSSION Legislation in Switzerland requires that patients with IA be informed about the procedure. Strategies to improve patients' understanding of the information given to them about IA might be helpful to reduce perceived coercion, which is known to be associated with negative attitudes towards psychiatry, a disturbed therapeutic relationship, avoidance of psychiatry, and the risk of further coercion.
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Surgical anatomy of the lateral femoral cutaneous nerve for meralgia paraesthetica: A simple technical guide for surgeons and trainees alike. J Clin Neurosci 2022; 101:52-56. [PMID: 35533612 DOI: 10.1016/j.jocn.2022.04.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 03/20/2022] [Accepted: 04/28/2022] [Indexed: 11/19/2022]
Abstract
Meralgia paraesthetica is an entrapment neuropathy of the lateral femoral cutaneous nerve, usually due to compression at the inguinal ligament as the nerve passes from the pelvis into the thigh. Surgical decompression of the lateral femoral cutaneous nerve is a simple and effective treatment option, but the surgical anatomy of the area is not always familiar to neurosurgeons and neurosurgical trainees alike. This paper is a simple review of the relevant surgical anatomy and the surgical steps of lateral femoral cutaneous nerve decompression, with the aim of providing the busy surgeon and trainee a quick and easy reference guide to the procedure.
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Fracture dislocation of the humerus with intrathoracic humeral head fragment - A case report and review of the literature. Trauma Case Rep 2022; 37:100592. [PMID: 35005168 PMCID: PMC8718900 DOI: 10.1016/j.tcr.2021.100592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2021] [Indexed: 11/30/2022] Open
Abstract
We present a rare case of humeral fracture dislocation with intrathoracic humeral head fragment. A 74-year old female was transferred to a major trauma facility after falling on her arm while gardening. An intrathoracic humeral head fragment was diagnosed after initial imaging. In correspondence with the department of thoracic surgery, the decision was made to remove the intrathoracic fragment thoracoscopically and succeed with a reverse total shoulder arthroplasty.
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Higher thyroid stimulating hormone leads to cardiovascular disease and an unfavorable lipid profile: EVidence from multi-cohort Mendelian randomization and metabolomic profiling. Atherosclerosis 2021. [DOI: 10.1016/j.atherosclerosis.2021.06.114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Intracranial pressure waveform characteristics in idiopathic normal pressure hydrocephalus and late-onset idiopathic aqueductal stenosis. Fluids Barriers CNS 2021; 18:25. [PMID: 34039383 PMCID: PMC8157654 DOI: 10.1186/s12987-021-00259-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 05/13/2021] [Indexed: 11/18/2022] Open
Abstract
Background Idiopathic normal pressure hydrocephalus (iNPH) and late-onset idiopathic aqueductal stenosis (LIAS) are two forms of chronic adult hydrocephalus of different aetiology. We analysed overnight intracranial pressure (ICP) monitoring to elucidate ICP waveform changes characteristic for iNPH and LIAS to better understand pathophysiological processes of both diseases. Methods
98 patients with iNPH and 14 patients with LIAS from two neurosurgical centres were included. All patients underwent diagnostic overnight computerised ICP monitoring with calculation of mean ICP, ICP heartbeat related pulse wave amplitude calculated in the frequency domain (AMP) and the time domain (MWA), index of cerebrospinal compensatory reserve (RAP) and power of slow vasogenic waves (SLOW). Results ICP was higher in LIAS than iNPH patients (9.3 ± 3.0 mmHg versus 5.4 ± 4.2 mmHg, p = 0.001). AMP and MWA were higher in iNPH versus LIAS (2.36 ± 0.91 mmHg versus 1.81 ± 0.59 mmHg for AMP, p = 0.012; 6.0 ± 2.0 mmHg versus 4.9 ± 1.2 mmHg for MWA, p = 0.049). RAP and SLOW indicated impaired reserve capacity and compliance in both diseases, but did not differ between groups. INPH patients were older than LIAS patients (77 ± 6 years versus 54 ± 14 years, p < 0.001). Conclusions ICP is higher in LIAS than in iNPH patients, likely due to the chronically obstructed CSF flow through the aqueduct, but still in a range considered normal. Interestingly, AMP/MWA was higher in iNPH patients, suggesting a possible role of high ICP pulse pressure amplitudes in iNPH pathophysiology. Cerebrospinal reserve capacity and intracranial compliance is impaired in both groups and the pressure-volume relationship might be shifted towards lower ICP values in iNPH. The physiological influence of age on ICP and AMP/MWA requires further research.
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Psychometric evaluation of the German version of the Opening Minds Stigma Scale for Health Care Providers (OMS-HC). BMC Psychol 2021; 9:86. [PMID: 34016166 PMCID: PMC8139058 DOI: 10.1186/s40359-021-00592-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 04/12/2021] [Indexed: 12/29/2022] Open
Abstract
Background Healthcare professionals can be a source of stigma and discrimination for people with mental illness, and anti-stigma programs are needed for this target group. However, there is no validated German language scale to assess attitudes of healthcare professionals towards people with mental illness. This study had the aim to validate the German language version of the Opening Minds Stigma Scale for Health Care Providers (OMS-HC), a self-report measure of stigmatizing attitudes. Methods Staff (n=392) on general psychiatric inpatient wards (excluding child, forensic and geriatric psychiatry) at five psychiatric hospitals in Switzerland (n=3) and Germany (n=2) participated in the study. The internal consistency of the OMS-HC was examined as well as its factor structure using exploratory and confirmatory factor analyses. To assess the scales concurrent validity, we used the Social Distance Scale. Results Internal consistency for the OMS-HC total score was good (=0.74), acceptable for the subscales Attitudes (=0.62) and Social Distance (=0.69), and poor for the Disclosure subscale (=0.55). The original three-factor structure fit our data well. The OMS-HC total score and the Social Distance subscale score were significantly correlated with the Social Distance Scale, supporting concurrent validity. Conclusion The German version of the OMS-HC demonstrated satisfactory psychometric properties and can be recommended for future research and intervention evaluation. Supplementary Information The online version contains supplementary material available at 10.1186/s40359-021-00592-9.
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Psychiatric Emergencies in the Community: Characteristics and Outcome in Switzerland. ADMINISTRATION AND POLICY IN MENTAL HEALTH AND MENTAL HEALTH SERVICES RESEARCH 2021; 48:1055-1064. [PMID: 33608861 PMCID: PMC8502162 DOI: 10.1007/s10488-021-01117-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2021] [Indexed: 10/24/2022]
Abstract
Psychiatric emergencies occur frequently in the community setting, e.g. the patient's home or public places. Little is known about the characteristics and outcome of these situations. This study describes psychiatric emergencies in the canton of Zurich, Switzerland, and examines determinants of their outcome. We retrospectively analyzed 620 medical records of consultations classified as psychiatric emergencies of a 24/7 service of community-based emergency physicians. Information on sociodemographic, clinical and situational factors was extracted. The observation period was 6 months in 2017. Binary logistic regression was used to examine predictors for involuntary admissions. Most emergency consultations (64.5%) took place at the patient's home, followed by police stations (31.0%), public places (3.2%), and somatic hospitals (1.3%). Patient characteristics and reasons for consultation varied considerably between the locations. The first involved person was commonly a relative. Of all consultations, 38.4% resulted in involuntary admissions, mainly in patients with psychosis, suicidality, aggression, refusal of necessary treatment and previous involuntary admissions. Situation-related factors and the involvement of relatives were no significant predictors of the outcome. Psychiatric emergencies occur in different places and in patients with a variety of psychiatric symptoms. Although half of the emergency situations were resolved in the community, the rate of involuntary admissions was still high. For additional reduction, the further development of quickly available alternatives to psychiatric inpatient treatment is required. These should be specifically geared towards acute situations in patients with the described risk factors. Additionally, the role of relatives during psychiatric emergencies should be further studied.
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Transcranial Doppler-derived indices of cerebrovascular haemodynamics are independent of depth and angle of insonation. J Clin Neurosci 2020; 82:115-121. [PMID: 33317718 DOI: 10.1016/j.jocn.2020.10.037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/23/2020] [Accepted: 10/18/2020] [Indexed: 11/27/2022]
Abstract
Continuous measurement of cerebral blood flow velocity (CBFV) of the middle cerebral artery (MCA) using transcranial Doppler (TCD) and arterial blood pressure (ABP) monitoring enables assessment of cerebrovascular haemodynamics. Further indices describing cerebrovascular function can be calculated from ABP and CBFV, such as the mean index (Mxa) of cerebrovascular autoregulation, the 'time constant of the cerebral arterial bed' (tau), the 'critical closing pressure' (CrCP) and a 'non-invasive estimator of ICP' (nICP). However, TCD is operator-dependent and changes in angle and depth of MCA insonation result in different readings of CBFV. The effect of differing CBFV readings on the calculated secondary indices remains unknown. The aim of this study was to investigate variation in angle and depth of MCA insonation on these secondary indices. In eight patients continuous ABP and ipsilateral CBFV monitoring was performed using two different TCD probes, resulting in four simultaneous CBFV readings at different angles and depths per patient. From all individual recordings, the K-means clustering algorithm was applied to the four simultaneous longitudinal measurements. The average ratios of the between-clusters, sum-of-squares and total sum-of-squares were significantly higher for CBFV than for the indices Mxa, tau and CrCP (p < 0.001, p = 0.007 and p = 0.016) but not for nICP (p = 0.175). The results indicate that Mxa, tau and CrCP seemed to be not affected by depth and angle of TCD insonation, whereas nICP was.
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Concentration of apple juice using CO2 gas hydrate technology to higher sugar contents. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102458] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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[Acceptance of Psychiatric and Somatic Advance Directives: A Comparison in Psychiatric Patients and Professionals]. PSYCHIATRISCHE PRAXIS 2020; 47:319-325. [PMID: 32268417 DOI: 10.1055/a-1132-0811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
OBJECTIVE Assessment of the attitudes towards somatic and psychiatric advance directives in the German speaking part of Switzerland. METHODS Questionnaire for psychiatric patients, psychiatrists, psychologists, psychiatric nurses and peers assessing the attitudes towards three exemplary advance directives. RESULTS The attitudes were mainly positive in all participating groups. Compared to professionals (79-100 %), the somatic advance directive found approval in significantly less patients (46 %). There were no significant group differences regarding the psychiatric advance directives, but patients (58 % and 84 %) were slightly more agreeing compared to professionals (31-50 % and 62-70 %). CONCLUSION Psychiatric advance directives seem to be broadly accepted. The development of campaigns might help to raise the awareness about these instruments and increase their usage in clinical practice.
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Seven ways to get a grip on implementing Competency-Based Medical Education at the program level. CANADIAN MEDICAL EDUCATION JOURNAL 2020; 11:e92-e96. [PMID: 33062098 PMCID: PMC7522884 DOI: 10.36834/cmej.68221] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Competency-based medical education (CBME) curricula are becoming increasingly common in graduate medical education. Put simply, CBME is focused on educational outcomes, is independent of methods and time, and is composed of achievable competencies.1 In spite of widespread uptake, there remains much to learn about implementing CBME at the program level. Leveraging the collective experience of program leaders at Queen's University, where CBME simultaneously launched across 29 specialty programs in 2017, this paper leverages change management theory to provide a short summary of how program leaders can navigate the successful preparation, launch, and initial implementation of CBME within their residency programs.
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Complications of elective intracranial pressure monitoring in adult hydrocephalus. J Clin Neurosci 2020; 79:67-70. [PMID: 33070920 DOI: 10.1016/j.jocn.2020.07.030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 06/15/2020] [Accepted: 07/11/2020] [Indexed: 11/24/2022]
Abstract
Continuous invasive monitoring of intracranial pressure (ICP) can be used in the diagnosis and management of various types of chronic cerebrospinal fluid (CSF) circulation disorders, such as hydrocephalus, shunt dysfunction and idiopathic intracranial hypertension. The risk profile and incidence of adverse events of this surgical procedure in this patient population is not well established. We aimed to investigate and describe the risks of ICP monitoring in adult patients with chronic CSF circulation disorders. We analysed 152 patients undergoing continuous ICP monitoring between 2010 and 2019, mainly for idiopathic normal pressure hydrocephalus. The average duration of ICP monitoring was 17 h 51 min. We observed no major adverse events, such as symptomatic intracranial haemorrhage, intracranial infection, or persistent neurological deficit. Minor complications were seen in 7% of patients and included accidental removal of the ICP probe in 4 patients, inability to remove the probe requiring surgical removal in 2 patients and single generalised seizures in 2 patients. In summary, the risk of serious adverse events and complications from invasive ICP monitoring in chronic CSF circulation disorders in adult patients appears to be low.
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Tissue oxygenation indices of cerebrovascular autoregulation in healthy volunteers: a comparison of two NIRS devices. Neurol Res 2020; 42:897-903. [PMID: 32643591 DOI: 10.1080/01616412.2020.1790869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Correlation coefficients between blood pressure and cerebral oxygen saturation measured using near-infrared spectrometry may be used to derive the tissue oximetry index of cerebral autoregulation. Cerebral oxygen saturations demonstrate poor agreement between near-infrared spectrometers however it is unclear if measurements of autoregulation are similarly specific to the equipment used. METHODS Cerebral oxygen saturation was monitored bilaterally in 74 healthy volunteers using both the FORE-SIGHT and EQUANOX monitors in random order. The tissue oximetry index was calculated during changes in blood pressure induced by isometric handgrip manoeuvres and the mean bias and limits of agreement were calculated. RESULTS Tissue oximetry index measured by FORE-SIGHT was higher than EQUANOX (0.21 ± 0.16 versus 0.15 ± 0.17, P < 0.001) and limits of agreement were -0.24 to 0.36. Baseline cerebral oxygen saturation by FORE-SIGHT was lower than EQUANOX by 1.48% (CI95% 0.63-2.33) and limits of agreement ranged from -11.8% to 8.8%. CONCLUSIONS The substantial bias and wide limits of agreement for the tissue oximetry index as a measure of cerebral autoregulation indicate that values must be treated as specific to models of near-infrared spectrometers.
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A systems genomics approach identifies SIGLEC15 as a susceptibility factor in recurrent vulvovaginal candidiasis. Sci Transl Med 2020; 11:11/496/eaar3558. [PMID: 31189718 DOI: 10.1126/scitranslmed.aar3558] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 08/13/2018] [Accepted: 05/14/2019] [Indexed: 12/30/2022]
Abstract
Candida vaginitis is a frequent clinical diagnosis with up to 8% of women experiencing recurrent vulvovaginal candidiasis (RVVC) globally. RVVC is characterized by at least three episodes per year. Most patients with RVVC lack known risk factors, suggesting a role for genetic risk factors in this condition. Through integration of genomic approaches and immunological studies in two independent cohorts of patients with RVVC and healthy individuals, we identified genes and cellular processes that contribute to the pathogenesis of RVVC, including cellular morphogenesis and metabolism, and cellular adhesion. We further identified SIGLEC15, a lectin expressed by various immune cells that binds sialic acid-containing structures, as a candidate gene involved in RVVC susceptibility. Candida stimulation induced SIGLEC15 expression in human peripheral blood mononuclear cells (PBMCs) and a polymorphism in the SIGLEC15 gene that was associated with RVVC in the patient cohorts led to an altered cytokine profile after PBMC stimulation. The same polymorphism led to an increase in IL1B and NLRP3 expression after Candida stimulation in HeLa cells in vitro. Last, Siglec15 expression was induced by Candida at the vaginal surface of mice, where in vivo silencing of Siglec15 led to an increase in the fungal burden. Siglec15 silencing was additionally accompanied by an increase in polymorphonuclear leukocytes during the course of infection. Identification of these pathways and cellular processes contributes to a better understanding of RVVC and may open new therapeutic avenues.
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Assessing selection signatures within and between selected lines of dual-purpose black and white and German Holstein cattle. Anim Genet 2020; 51:391-408. [PMID: 32100321 DOI: 10.1111/age.12925] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/02/2020] [Indexed: 12/29/2022]
Abstract
The aim of this study was to detect selection signatures considering cows from the German Holstein (GH) and the local dual-purpose black and white (DSN) population, as well as from generated sub-populations. The 4654 GH and 261 DSN cows were genotyped with the BovineSNP50 Genotyping BeadChip. The geographical herd location was used as an environmental descriptor to create the East-DSN and West-DSN sub-populations. In addition, two further sub-populations of GH cows were generated, using the extreme values for solutions of residual effects of cows for the claw disorder dermatitis digitalis. These groups represented the most susceptible and most resistant cows. We used cross-population extended haplotype homozygosity methodology (XP-EHH) to identify the most recent selection signatures. Furthermore, we calculated Wright's fixation index (FST ). Chromosomal segments for the top 0.1 percentile of negative or positive XP-EHH scores were studied in detail. For gene annotations, we used the Ensembl database and we considered a window of 250 kbp downstream and upstream of each core SNP corresponding to peaks of XP-EHH. In addition, functional interactions among potential candidate genes were inferred via gene network analyses. The most outstanding XP-EHH score was on chromosome 12 (at 77.34 Mb) for DSN and on chromosome 20 (at 36.29-38.42 Mb) for GH. Selection signature locations harbored QTL for several economically important milk and meat quality traits, reflecting the different breeding goals for GH and DSN. The average FST value between GH and DSN was quite low (0.068), indicating shared founders. For group stratifications according to cow health, several identified potential candidate genes influence disease resistance, especially to dermatitis digitalis.
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Psychiatric advance directives in Switzerland: Knowledge and attitudes in patients compared to professionals and usage in clinical practice. INTERNATIONAL JOURNAL OF LAW AND PSYCHIATRY 2020; 68:101514. [PMID: 32033691 DOI: 10.1016/j.ijlp.2019.101514] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Revised: 10/28/2019] [Accepted: 10/29/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Psychiatric advance directives (PAD) were shown to be effective in the reduction of coercion and strengthening of the patients` autonomy. Therefore, the Swiss legislation was revised and stipulates that PAD must be taken into account during involuntary hospitalization. This study aimed to analyze knowledge on and attitudes towards this instrument in patients and healthcare practitioners and their usage in clinical practice. METHODS We developed a structured questionnaire and included patients (n = 110), psychiatrists (n = 205), psychologists (n = 85), nurses (n = 268) and peers (n = 16) to rate their knowledge on and attitudes towards PAD. We registered the existing PAD in patients and peers. The response rate varied between 17% (nurses), 19% (psychologists) 21% (psychiatrists), 33% (peers) and 56% (patients). RESULTS Only 7% of the participating patients had a PAD. Compared to the other groups, patients had the least knowledge on PAD. Psychiatrists were significantly more critical towards PAD. Concerns that PAD impede necessary and adequate treatment, restrict professionals and result in conflicts between patients and HCP were most frequently named as reason for critical attitudes. CONCLUSIONS Although being explicitly mentioned in the Swiss legislation the usage of PAD is small. Proactive information and training of psychiatrists might be helpful for a reduction of skeptical attitudes. This might improve the attitudes and lead to active support of patients during the preparation of PAD.
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Understanding outcome metrics of the revised NIOSH lifting equation. APPLIED ERGONOMICS 2019; 81:102897. [PMID: 31422239 DOI: 10.1016/j.apergo.2019.102897] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 07/09/2019] [Accepted: 07/10/2019] [Indexed: 06/10/2023]
Abstract
The interpretation of the calculated result of the revised NIOSH Lifting Equation (RNLE) has been problematic because the relationship of the calculated result to back injury risk has not always been either well understood nor consistently interpreted. During the revision of the ISO standard 11228-1 (Manual lifting, lowering and carrying), an extensive literature review was conducted on validation studies of the RNLE. A systematic review of exposure-risk associations between the LI metrics and various low-back health outcomes from peer-reviewed epidemiological studies was conducted. Risk interpretations for different levels of calculated result of the RNLE are added to the ISO standard. Rationale for the risk interpretations is presented in this paper.
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Abstract
BACKGROUND Involuntary admissions can be detrimental for patients. Due to legal, ethical and clinical considerations, they are also challenging for referring physicians. Nevertheless, not much is known about the subjective perceptions of those who have to decide whether to conduct an involuntary admission or not. AIMS This study aimed at answering the question whether psychiatrists' perceptions of confidence during psychiatric emergency situations and consecutive involuntary admissions differ from those of physicians without a psychiatric training. METHOD We assessed the professional background and subjective perceptions during psychiatric emergency situations in physicians who executed involuntary admissions to the University Hospital of Psychiatry Zurich. We used one-way analysis of variance (ANOVA) with Bonferroni-adjusted post hoc tests and chi-square tests to compare the responses of 43 psychiatrists with those of 64 other physicians. RESULTS Psychiatrists felt less time constraints compared with non-psychiatric residents. The latter also had more doubts on the necessity of the involuntary admission issued. Psychiatrists considered themselves significantly more experienced in handling psychiatric emergency situations and in handling the criteria for involuntary admissions than other physicians. Psychiatrists and other physicians did not differ in their satisfaction concerning course and results of psychiatric emergency situations which was overall high. About half of all participants felt pressure from third parties. CONCLUSION Psychiatric emergency situations are challenging situations not only for patients but also for the involved physicians. Physicians with a specialized training might be more confident in the handling of psychiatric emergency situations and exertion of involuntary admissions. Non-psychiatric physicians might benefit from specialized training programs.
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[Primary fracture protheses and reverse shoulder arthroplasty in complex humeral head fractures : An alternative to joint-preserving osteosynthesis?]. DER ORTHOPADE 2019; 47:410-419. [PMID: 29632973 DOI: 10.1007/s00132-018-3570-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
BACKGROUND The surgical management of complex humeral head fractures has adapted dynamically over the course of the last decade. The primary use of reverse shoulder arthroplasty in elderly patients has gained in relevance due to promising short and middle-term results. Long-term results, however, are still pending. The appliance of anatomical hemiarthroplasty, on the other hand, has lost in significance in favour of osteosynthesis and reverse shoulder arthroplasty. INDICATIONS This review article follows the question as to under which circumstances primary fracture arthroplasty reflects an alternative or even a preference to joint-preserving osteosynthesis in the treatment of complex proximal humeral fractures. It also specifies spectrums of indications for anatomical hemiarthroplasty and reverse shoulder arthroplasty.
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Length of Involuntary Hospitalization Related to the Referring Physician's Psychiatric Emergency Experience. ADMINISTRATION AND POLICY IN MENTAL HEALTH AND MENTAL HEALTH SERVICES RESEARCH 2019; 45:254-264. [PMID: 28762077 DOI: 10.1007/s10488-017-0819-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Although involuntary commitment (IC) is a serious intervention in psychiatry and must always be regarded as an emergency measure, the knowledge about influencing factors is limited. Aims were to test the hypothesis that duration of involuntary hospitalization and associated parameters differ for IC's mandated by physicians with or with less routine experience in psychiatric emergency situations. Duration of involuntary hospitalization and duration until day-passes of 508 patients with IC at the University Hospital of Psychiatry Zurich were analyzed using a generalized linear model. Durations of involuntary hospitalization and time until day-passes were significantly shorter in patients referred by physicians with less routine experience in psychiatric emergency situations than compared to experienced physicians. Shorter hospitalizations following IC by less-experienced physicians suggest that some IC's might be unnecessary. A specific training or restriction to physicians being capable of conducting IC could decrease the rate of IC.
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Immunization and multiple sclerosis: Recommendations from the French Multiple Sclerosis Society. Rev Neurol (Paris) 2019; 175:341-357. [DOI: 10.1016/j.neurol.2019.04.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Revised: 03/31/2019] [Accepted: 04/11/2019] [Indexed: 10/26/2022]
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Involuntary admission for psychiatric treatment: Compliance with the law and legal considerations in referring physicians with different professional backgrounds. INTERNATIONAL JOURNAL OF LAW AND PSYCHIATRY 2019; 64:142-149. [PMID: 31122624 DOI: 10.1016/j.ijlp.2019.03.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 03/21/2019] [Accepted: 03/25/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Involuntary admission (IA) for psychiatric treatment is a massive restriction of human rights. Therefore, its execution is regulated by law. During executing IAs referring physicians find themselves in a dual role: support of patients in the recovery process but also safe-keeper of society. In Zurich, Switzerland the law stipulates that physicians regardless of their medical specialization may admit patients who suffer from a mental disorder, mental disability or severe neglect involuntarily if care cannot be provided otherwise, regardless of their decision-making capacity. The referring physician is obliged to examine the patients, hear their views on the IA, inform them about the following steps and about their right of appeal at the civil court. We aimed to assess whether referring physicians can comply with those legal requirements for an IA. Additionally, we examined whether legal considerations differed according to the physicians` professional backgrounds and attitudes towards coercion in general. METHODS We invited physicians from different in- and outpatient settings who executed IAs to the University Hospital of Psychiatry Zurich to participate in a newly developed online survey. We used correlation analysis, chi-square and t-tests to analyze the responses of 43 psychiatrists with those of 64 other physicians. RESULTS In about 1/3 of the IAs referring physicians were not able to hear the patients' views on the IA, to inform the patients about the following steps and about their right of appeal. Psychiatrists felt more certain with the legal basis of IA compared to physicians other than psychiatrists. Nevertheless, the latter stated that the assessment of the risk for suicide and danger should not be restricted only to psychiatrists. Both groups differed in their attitudes towards coercion with psychiatrists being more critical. CONCLUSIONS Interventions should be developed to facilitate a compliance with legal requirements during IA. Physicians who execute IAs must have a thorough knowledge of the clinical and legal basis for their actions. We recommend specialized consultation teams for the assessment of PES and regular training including ethical discussions, especially for physicians other than psychiatrists.
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Attitudinal variance among patients, next of kin and health care professionals towards the use of containment measures in three psychiatric hospitals in Switzerland. BMC Psychiatry 2019; 19:128. [PMID: 31035954 PMCID: PMC6489208 DOI: 10.1186/s12888-019-2092-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Accepted: 03/27/2019] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND In psychiatric treatment containment measures are used to de-escalate high-risk situations. These measures can be characterized by their immanent amount of coercion. Previous research could show that the attitudes towards different containment measures vary throughout countries. The aim of this study was to compare the attitudes towards containment measures between three study sites in Switzerland which differ in their clinic traditions and policies and their actual usage of these measures. METHODS We used the Attitude to Containment Measures Questionnaire (ACMQ) in three psychiatric hospitals in Switzerland (Zurich, Muensingen and Monthey) in patients, their next of kin (NOK) and health care professionals (HCP). Furthermore, we assessed the cultural specifics and rates of coercive measures for these three hospitals. RESULTS We found substantial differences in the usage of and the attitudes towards some containment measures between the three study sites. The study site accounted for a variance of nearly zero in as needed medication to 15% in seclusion. The differences between study sites were bigger in the HCPs' attitudes (up to 50% of the variance), compared to NOK and patients. In the latter the study site accounted for up to 6% of the variance. The usage/personal experience of containment measures in general was associated with higher agreement. CONCLUSIONS Although being situated in the same country, there are substantial differences in the rates of containment measures between the three study sites. We showed that the HCP's attitudes are more associated with the clinic traditions and policies compared to patients' and their NOKs' attitudes. One can conclude that patients' preferences depend less on clinic traditions and policies. Therefore, it is important to adapt treatment to the individual patients' attitudes. TRIAL REGISTRATION The study was reviewed and approved by the Cantonal Ethics Commission of Zurich, Switzerland (Ref.-No. EK: 2016-01526, decision on 28.09.2016) and the Cantonal Ethics Commission of Bern, Switzerland (Ref.-Nr. KEK-BE 2015-00074). This study has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. The permission for conduction of the study was granted by the medical directors at the three study sites. The authors informed the respondents (patients, NOK, HCP) of their rights in the study in an oral presentation and/or a cover letter. They assured the participants of the confidentiality and anonymity of the data, and the voluntariness of participation. Patients were given an information sheet with the possibility to consent in the conduction of the study. Return of the completed questionnaires from HCP and NOK was constituted as confirmation of their consent. No identifying factors were collected to ensure privacy. This article does not contain any studies with animals performed by any of the authors.
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Is cerebrovascular autoregulation associated with outcomes after major noncardiac surgery? A prospective observational pilot study. Acta Anaesthesiol Scand 2019; 63:8-17. [PMID: 30079514 DOI: 10.1111/aas.13223] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 06/15/2018] [Accepted: 07/11/2018] [Indexed: 01/13/2023]
Abstract
BACKGROUND Studies have identified multiple risk factors for development of cognitive decline after surgery. Impaired cerebrovascular autoregulation may be a contributor to postoperative cognitive decline. METHODS One hundred and forty patients admitted for major elective noncardiac surgery were recruited. Near-infrared spectroscopy was used to calculate the tissue oxygenation index of dynamic autoregulation (TOx). The primary endpoint was Day 3 cognitive recovery as assessed using the Postoperative Quality of Recovery Scale. The secondary endpoint was a combined major adverse event of death, acute myocardial infarction, cardiac arrest, stroke, pulmonary embolism, sepsis, and acute kidney injury at Day 30. RESULTS Higher optimal TOx values, signifying impaired autoregulation, were associated with worse outcomes. Patients who cognitively recovered at Day 3 (n = 47) had lower optimal TOx values (TOxopt ) than patients who did not recover (n = 22): 0.06 (0.24) vs 0.18 (0.16) (mean [SD]), P = 0.02. Patients who did not suffer a major adverse event (n = 102) had lower TOxopt than patients who did (n = 17): 0.09 (0.21) vs 0.20 (0.27), P = 0.04. When dichotomized as having impaired or intact autoregulation based on TOxopt levels, a value of TOxopt ≥0.1 correctly identified 72.7% of patients who did not cognitively recover, OR 3.3 (1.1-9.9) (Odds ratio, [95% CI]), P = 0.03. TOxopt ≥0.1 correctly identified 82.4% of patients who suffered a major adverse event, OR 4.7 (1.3-17.2), P = 0.02. CONCLUSIONS In older and higher risk patients having major noncardiac surgery, impaired cerebrovascular autoregulation was associated with failure of cognitive recovery in the early postoperative period and with 1-month mortality and morbidity.
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Challenges and Opportunities in Building and Maintaining a Good Therapeutic Relationship in Acute Psychiatric Settings: A Narrative Review. Front Psychiatry 2019; 10:965. [PMID: 32009995 PMCID: PMC6974619 DOI: 10.3389/fpsyt.2019.00965] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/06/2019] [Indexed: 12/22/2022] Open
Abstract
Background: The therapeutic relationship and its importance for psychotherapy outcome have been the subject of extensive research over the last decades. An acute psychiatric inpatient setting is a unique environment where severely ill patients receive intensive treatment over a limited, relatively short, period of time. This renders establishing a good therapeutic relationship difficult for various reasons. It seems likely, however, that the therapeutic relationship in such a setting plays a vital role on factors such as clinical outcome, patient satisfaction, and rehospitalization rates. Little information is available on special attributes and caveats of building and maintaining a good therapeutic relationship in an acute psychiatric setting, neither on its influence on therapy success. Methods: An extensive systematic literature search was performed using PubMed, science direct, psyc info, and google scholar databases. Keywords used were therapeutic alliance, therapeutic relationship, psychiatry, emergency, acute, coercion, autonomy, involuntary, closed ward. RCTs, observational studies, reviews, meta-analyses, and economic evaluations were included, case reports and opinion papers were excluded. Factors specific to an acute psychiatric setting were identified, and the available information was categorized and analyzed accordingly. The PRISMA statement guidelines were followed closely upon research and preparation of the present review. Results: A total of 48 studies were selected based on their relevance as well as design. They demonstrated that several factors related to setting, patient attributes, staff attributes, admission circumstances, and general situation, render building and maintaining a good therapeutic relationship difficult in an acute psychiatric setting compared to scheduled, long-term therapeutic sessions. The available literature on how to overcome this dilemma is scarce. Interventions involving staff and/or patients have been shown to be effective in terms of relevant outcome parameters. Conclusions: Increasing research efforts, as well as raising awareness and providing specific competencies amongst clinicians and patients in terms of nurturing a good therapeutic relationship in acute settings, are necessary to improve clinical outcome, economic factors, quality of patient care and patient as well as staff satisfaction.
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Biased spatial referentials are not the cause of the Pisa syndrome in Parkinson's disease. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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A novel mutation in the TG gene (G2322S) causing congenital hypothyroidism in a Sudanese family: a case report. BMC MEDICAL GENETICS 2018; 19:69. [PMID: 29720101 PMCID: PMC5932782 DOI: 10.1186/s12881-018-0588-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 04/19/2018] [Indexed: 01/02/2023]
Abstract
Background Congenital hypothyroidism (CH) has an incidence of approximately 1:3000, but only 15% have mutations in the thyroid hormone synthesis pathways. Genetic analysis allows for the precise diagnosis. Case presentation A 3-week old girl presented with a large goiter, serum TSH > 100 mIU/L (reference range: 0.7–5.9 mIU/L); free T4 < 3.2 pmol/L (reference range: 8.7–16 pmol/L); thyroglobulin (TG) 101 μg/L. Thyroid Tc-99 m scan showed increased radiotracer uptake. One brother had CH and both affected siblings have been clinically and biochemically euthyroid on levothyroxine replacement. Another sibling had normal thyroid function. Both Sudanese parents reported non-consanguinity. Peripheral blood DNA from the proposita was subjected to whole exome sequencing (WES). WES identified a novel homozygous missense mutation of the TG gene: c.7021G > A, p.Gly2322Ser, which was subsequently confirmed by Sanger sequencing and present in one allele of both parents. DNA samples from 354 alleles in four Sudanese ethnic groups (Nilotes, Darfurians, Nuba, and Halfawien) failed to demonstrate the presence of the mutant allele. Haplotyping showed a 1.71 centiMorgans stretch of homozygosity in the TG locus suggesting that this mutation occurred identical by descent and the possibility of common ancestry of the parents. The mutation is located in the cholinesterase-like (ChEL) domain of TG. Conclusions A novel rare missense mutation in the TG gene was identified. The ChEL domain is critical for protein folding and patients with CH due to misfolded TG may present without low serum TG despite the TG gene mutations. Electronic supplementary material The online version of this article (10.1186/s12881-018-0588-7) contains supplementary material, which is available to authorized users.
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Characteristics of Psychiatric Emergency Situations and the Decision-Making Process Leading to Involuntary Admission. Front Psychiatry 2018; 9:760. [PMID: 30713511 PMCID: PMC6345710 DOI: 10.3389/fpsyt.2018.00760] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Accepted: 12/20/2018] [Indexed: 12/29/2022] Open
Abstract
Introduction: Involuntary admissions to psychiatric hospitals, regardless of their beneficial effects, violate the patients' autonomy. To keep such measures at a minimum and develop less restricting and coercive alternatives, a better understanding of the psychiatric emergency situations which end up in involuntary admissions is needed. This descriptive and exploratory study investigates the consultations leading to involuntary admission and the decision-making process of the referring physicians. Methods: We developed an online questionnaire to collect data on the characteristics of the consultation leading to an involuntary admission, including influencing factors from the referring physicians' perspective, as well as their professional background. We included 107 physicians who completed the questionnaire after they had referred patients for involuntary admission to one major psychiatric hospital in Switzerland. Results: The referring physicians were heterogeneous regarding their medical background and experience with psychiatric emergency situations. The consultations were time consuming and took place in various locations. Clinical findings, third-party anamnesis and a known psychiatric diagnosis contributed strongest to the decision to admit involuntarily. "Protection from danger to self" was named most frequently as purpose of the admission. Discussion: This study emphasizes the variety of psychiatric emergency situations leading to involuntary admissions. In most cases, several parties are involved and influence the decision together with medical and social factors. To reduce the number of involuntary admissions, alternatives for patients with a high symptom load and at risk of harming themselves are needed. Possible approaches to achieve that reduction and recommendations for further research are provided.
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Cross-Cultural Notions of Risk and Liberty: A Comparison of Involuntary Psychiatric Hospitalization and Outpatient Treatment in New York, United States and Zurich, Switzerland. Front Psychiatry 2018; 9:267. [PMID: 29973889 PMCID: PMC6020767 DOI: 10.3389/fpsyt.2018.00267] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Accepted: 05/31/2018] [Indexed: 01/01/2023] Open
Abstract
Involuntary hospitalization is a frequently discussed intervention physicians must sometimes execute. Because this intervention has serious implications for the citizens' civil liberties it is regulated by law. Every country's health system approaches this issue differently with regard to the relevant laws and the logistical processes by which involuntary hospitalization generally is enacted. This paper aims at analyzing the regulation and process of involuntary hospitalization in New York (United States) and Zurich (Switzerland). Comparing the respective historical, political, and economic backgrounds shows how notions of risk and liberty are culture-bound and consequently shape legislation and local practices. It is highly relevant to reconsider which criteria are required for involuntary hospitalization as this might shape the view of society on psychiatric patients and psychiatry itself. Furthermore, this article discusses the impact that training and experience of the person authorized to conduct and maintain an involuntary hospitalization has on the outcome.
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Comparing Attitudes to Containment Measures of Patients, Health Care Professionals and Next of Kin. Front Psychiatry 2018; 9:529. [PMID: 30416459 PMCID: PMC6212593 DOI: 10.3389/fpsyt.2018.00529] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 10/05/2018] [Indexed: 11/17/2022] Open
Abstract
Background: In clinical psychiatric practice, health care professionals (HCP) must decide in exceptional circumstances after the weighing of interests, which, if any, containment measures including coercion are to be used. Here, the risk for patients, staff, and third parties, in addition to therapeutic considerations, factor into the decision. Patients' preference and the inclusion of relatives in these decisions are important; therefore, an understanding of how patients and next of kin (NOK) experience different coercive measures is crucial for clinical decision making. The aim of this study is to compare how patients, HCP, and NOK assess commonly used coercive measures. Methods: A sample of 435 patients, 372 HCP, and 230 NOK completed the Attitudes to Containment Measures Questionnaire (ACMQ). This standardized self-rating questionnaire assessed the degree of acceptance or rejection of 11 coercive measures. Results: In general, HCPs rated the coercive measures as more acceptable than did NOK and patients. The largest discrepancy in the ratings was found in regard to the application of coercive intramuscular injection of medication (effect size: 1.0 HCP vs. patients). However, the ratings by NOK were significantly closer to the patients' ratings compared to patients and HCP. The only exception was the acceptance of treatment in a closed acute psychiatric ward, which was deemed significantly more acceptable by NOK than by patients. Also, patients who had experienced coercive measures themselves more strongly refused other measures. Conclusion: Patients most firmly rejected intramuscular injections, and the authors agree that these should only be used with reservation considering a high threshold. This knowledge about the discrepancy of the ratings should therefore be incorporated into professional training of HCP.
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[Prosthesis replacement in periprosthetic humeral fractures]. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2017; 29:492-508. [PMID: 29063283 DOI: 10.1007/s00064-017-0521-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Revised: 12/09/2015] [Accepted: 12/28/2015] [Indexed: 11/27/2022]
Abstract
OBJECTIVE Stabilization of the humerus with preservation or restoration of the shoulder function. INDICATIONS Always in the presence of a loose prosthesis. It may become necessary in conditions of poor bone stock and if osteosynthesis is not possible. CONTRAINDICATIONS Noncompliant patients due to alcohol or drugs. Local infections. SURGICAL TECHNIQUE The loose implant is removed using an extended anterior deltopectoral approach. After exploration of the fracture and extended soft tissue release, the glenoidal components are implanted with visualization and protection of the axillary nerve. A long stemmed implant is typically needed on the humeral side. It is anchored in the distal fragment over a length of about 6 cm. Soft tissue tension is crucial, especially with reverse shoulder arthroplasty. POSTOPERATIVE MANAGEMENT Postoperatively, the affected limb is immobilized for 6 weeks on a 15° shoulder abduction pillow with active assisted movement therapy up to the horizontal plane. This is followed by gradual pain-adapted increases of movement, muscle coordination, and strength. RESULTS In 17 patients with periprosthetic fractures of the humerus surgically treated in our institution, 4 underwent revision arthroplasty because of a loose prosthesis. No intra- or postoperative complications were observed. All fractures healed except one.
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Non-invasive Monitoring of Dynamic Cerebrovascular Autoregulation Using Near Infrared Spectroscopy and the Finometer Photoplethysmograph. Neurocrit Care 2017; 24:442-7. [PMID: 26490778 DOI: 10.1007/s12028-015-0200-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Near infrared spectroscopy (NIRS) enables continuous monitoring of dynamic cerebrovascular autoregulation, but this methodology relies on invasive blood pressure monitoring (iABP). We evaluated the agreement between a NIRS based autoregulation index calculated from invasive blood pressure monitoring, and an entirely non-invasively derived autoregulation index from continuous non-invasive blood pressure monitoring (nABP) using the Finometer photoplethysmograph. METHODS Autoregulation was calculated as the moving correlation coefficient between iABP and rSO2 (iTOx) or nABP and rSO2 (nTOx). The blood pressure range where autoregulation is optimal was also determined for invasive (iABPOPT) and non-invasive blood pressure measurements (nABPOPT). RESULTS 102 simultaneous bilateral measurements of iTOx and nTOx were performed in 19 patients (median 2 per patient, range 1-9) with different acute pathologies (sepsis, cardiac arrest, head injury, stroke). Average iTOx was 0.01 ± 0.13 and nTOx was 0.01 ± 0.11. The correlation between iTOx and nTOx was r = 0.87, p < 0.001, 95 % agreement ± 0.12, bias = 0.005. The interhemispheric asymmetry of autoregulation was similarly assessed with iTOx and nTOx (r = 0.81, p < 0.001). Correlation between iABPOPT and nABPOPT was r = 0.47, p = 0.003, 95 % agreement ± 32.1 mmHg, bias = 5.8 mmHg. Coherence in the low frequency spectrum between iABP and nABP was 0.86 ± 0.08 and gain was 1.32 ± 0.77. CONCLUSIONS The results suggest that dynamic cerebrovascular autoregulation can be continuously assessed entirely non-invasively using nTOx. This allows for autoregulation assessment using spontaneous blood pressure fluctuations in conditions where iABP is not routinely monitored. The nABPOPT might deviate from iABPOPT, likely because of discordance between absolute nABP and iABP readings.
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In reply to Grocott. Anaesth Intensive Care 2017; 45:525-526. [PMID: 28673227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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Introduction of the Abbreviated Westmead Post-Traumatic Amnesia Scale and Impact on Length of Stay. Scand J Surg 2017; 106:356-360. [DOI: 10.1177/1457496917698642] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background and Aims: Mild traumatic brain injury is a common presentation to Emergency Departments. Early identification of patients with cognitive deficits and provision of discharge advice are important. The Abbreviated Westmead Post-traumatic Amnesia Scale provides an early and efficient assessment of post-traumatic amnesia for patients with mild traumatic brain injuries, compared with the previously used assessment, the Modified Oxford Post-traumatic Scale. Material and Methods: This retrospective cohort study reviewed 270 patients with mild traumatic brain injury assessed for post-traumatic amnesia over a 2-year period between February 2011 and February 2013. It identified those assessed with Abbreviated Westmead Post-traumatic Amnesia Scale versus Modified Oxford Post-traumatic Scale, the outcomes of these post-traumatic amnesia assessments, the hospital length of stay for patients, and their readmission rates. Results: The Abbreviated Westmead Post-traumatic Amnesia Scale was used in 91% of patient cases (and the Modified Oxford Post-traumatic Scale in 7%), and of those assessed with the Abbreviated Westmead Post-traumatic Amnesia Scale, 94% cleared post-traumatic amnesia testing within 4 h. Of those assessed with the Abbreviated Westmead Post-traumatic Amnesia Scale, 56% had a shorter length of stay than had they been assessed with the Modified Oxford Post-traumatic Scale, resulting in 295 bed-days saved. Verbal and written discharge advice was provided to those assessed for post-traumatic amnesia to assist their recovery. In all, 1% of patients were readmitted for monitoring of mild post-concussion symptoms. Conclusion: The Abbreviated Westmead Post-traumatic Amnesia Scale provides an effective and timely assessment of post-traumatic amnesia for patients presenting to the Emergency Department with mild traumatic brain injury compared with the previously used assessment tool. It helps identify patients with cognitive impairment and the need for admission and further investigation, resulting in appropriate access to care. It also results in a decreased length of stay and decreased hospital admissions, with subsequent cost savings to the hospital.
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A Pilot Study Using Preoperative Cerebral Tissue Oxygen Saturation to Stratify Cardiovascular Risk in Major Non-Cardiac Surgery. Anaesth Intensive Care 2017; 45:202-209. [PMID: 28267942 DOI: 10.1177/0310057x1704500210] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This prospective pilot study evaluated whether low preoperative cerebral tissue oxygen saturation is associated with unfavourable outcomes after major elective non-cardiac surgery. Eighty-one patients over 60 years of age, American Society of Anesthesiologists physical status 3 or 4, were recruited. Resting cerebral tissue oxygen saturation was recorded on room air, and after oxygen supplementation, using cerebral oximetry. The primary outcome was 30-day major adverse event of combined mortality or severe morbidity, and the secondary outcome was 30-day new disability. Eleven patients (13.6%) suffered a major adverse event, and 28 patients (34.6%) experienced new disability. Room air cerebral tissue oxygen saturation was significantly different between patients who had a major adverse event, 67% (95% confidence interval [CI] 65–70) versus unaffected, 71% (95% CI 70–72; P=0.04). No statistical difference was found between patients for new disability (range 70%– 74%; P=0.73). Room air cerebral tissue oxygen saturation was significantly associated with major adverse events (odds ratio 1.36 (95% CI 1.03–1.79), P=0.03). Saturation levels ≤68% carried a positive likelihood ratio of 2.2 for death or severe morbidity, P=0.04. A definitive trial is required to confirm if cerebral oximetry can be used to stratify the cardiovascular risk of patients presenting for non-cardiac surgery.
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Effects of assisted outpatient treatment and health care services on psychotic symptoms. Soc Sci Med 2017; 175:152-160. [PMID: 28092756 DOI: 10.1016/j.socscimed.2017.01.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 12/14/2016] [Accepted: 01/04/2017] [Indexed: 10/20/2022]
Abstract
RATIONALE An ongoing debate concerns acceptability, benefits, and shortcomings of coercive treatment such as assisted outpatient treatment (AOT). The hypothesis that involuntary commitment to outpatient treatment may lead to a better clinical outcome for a subgroup of persons with severe mental illness (SMI) is controversial. Nonetheless, positive effects of AOT may be mediated by an increased availability of healthcare resources or increased service use. OBJECTIVE The purpose of the present study is to evaluate the course of delusions, hallucinations, and negative symptoms among patients with SMI receiving AOT compared to patients receiving non-compulsory treatment (NCT). Moreover, we assessed if the effects of AOT on psychotic symptoms were mediated by increased healthcare service use. METHODS This study used a quasi-experimental design to examine the effect of AOT and the use of healthcare services on psychotic symptoms. In total, 76 (41.3%) participants with SMI received AOT, and 108 (58.7%) received NCT. The participants were interviewed at baseline every 3 months up to 1 year. Propensity score matching was used to control for group differences. RESULTS In the basic model, AOT was associated with lower severity of psychotic symptoms over all follow-up points. In the model including healthcare service use, the frequency of case manager visits predicted a reduction in severity of all psychotic symptoms. The frequency of visits to the outpatient clinics, frequency of emergency room, and psychiatrist visits were independently associated with lower levels of delusional symptoms. Psychiatrist visits were related to a decrease in negative symptoms. CONCLUSION Results indicate that the treatment benefits of AOT are enhanced with the increased use of mental healthcare services, suggesting that the positive effect of AOT on psychotic symptoms is related to the availability of mental healthcare service use. Coercive outpatient treatment might be more effective through greater use of intensive services.
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Relationship between intracranial pressure and phase contrast cine MRI derived measures of intracranial pulsations in idiopathic normal pressure hydrocephalus. J Clin Neurosci 2016; 33:169-172. [PMID: 27519145 DOI: 10.1016/j.jocn.2016.03.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 01/26/2016] [Accepted: 03/22/2016] [Indexed: 11/29/2022]
Abstract
Phase contrast cine MRI with determination of pulsatile aqueductal cerebrospinal fluid (CSF) stroke volume and flow velocity has been suggested to assess intracranial pulsations in idiopathic normal pressure hydrocephalus (iNPH). We aimed to compare this non-invasive measure of pulsations to intracranial pressure (ICP) pulse wave amplitude from continuous ICP monitoring. We hypothesised that a significant correlation between these two markers of intracranial pulsations exists. Fifteen patients with suspected iNPH had continuous computerised ICP monitoring with calculation of mean ICP pulse wave amplitude (MWA) from time-domain analysis. MRI measured CSF aqueductal stroke volume and peak flow velocity. Mean MWA was 5.4mmHg (range 2.3-12.4mmHg). Mean CSF stroke volume and peak flow velocity were 65μl (range 3-195μl) and 9.31cm/s (range 1.68-15.0cm/s), respectively. No significant correlation between the invasive and non-invasive measures of pulsations existed (Spearman r=-0.30 and r=-0.27, respectively; p>0.05). We observed marked intra-individual fluctuation of MWA during continuous ICP monitoring of an average of 6.0mmHg (range 2.8-12.2mmHg). The results suggest a complex interplay between measures of pulsations derived from snapshot MRI measurements and continuous computerised ICP measurements, as no significant relationship existed in our data. Further study is needed to better understand the temporal profile of CSF MRI flow studies, as substantial variation in MWA over the course of several hours of ICP monitoring is common, suggesting that these physiologic fluctuations might obscure MRI snapshot measures of intracranial pulsations.
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Quality criteria of involuntary psychiatric admissions - before and after the revision of the civil code in Switzerland. BMC Psychiatry 2016; 16:291. [PMID: 27520558 PMCID: PMC4983055 DOI: 10.1186/s12888-016-0998-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 06/20/2016] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The goal was to investigate the quality in terms of formal and content-based comprehensiveness of the forms for involuntary admission before and after the introduction of the new law (KESR, "Kindes- und Erwachsenenschutzrecht") for the regulation of involuntary admission. Moreover, the study aimed at assessing if the quality of the admission forms was associated with the professional qualifications of the professionals ordering them. Finally, the patients were characterized. METHODS Retrospective evaluation of all commitment reports at the University Hospital of Psychiatry within a six month period before and after the introduction the KESR (N(2012) = 489; N(2013) = 651). Formal and content-related criteria for the commitment certificates were recorded as well as the socio-demographic and clinical data of the cases admitted. There were no exclusion criteria. The data was descriptively evaluated, formal and content-based criteria were compared between groups of admitting professionals. The Chi-Square-Test following Pearson and T-Test were used to test for group differences. RESULTS Formal and content-related quality criteria deficiencies were noted. The best-documented forms came from psychiatrists and emergency physicians, followed by general practitioners and hospital doctors. There have been improvements in the quality of the documents since the new KESR within all professional subsamples. CONCLUSIONS Psychiatrists and those who regularly deal with emergency commitments were likely to issue forms of high quality. Due to the considerable consequences associated with involuntary admission for affected individuals, their relatives and also professionals, the considerable deficits in the quality of the documentation must be intensively addressed in training, advanced training, continuing education and in daily routines.
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[Arthroscopic subacromial decompression]. OPERATIVE ORTHOPADIE UND TRAUMATOLOGIE 2016; 28:373-91. [PMID: 27259482 DOI: 10.1007/s00064-016-0450-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/15/2016] [Accepted: 02/19/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Coracoacromial ligament release to widen the subacromial space, resection of the anterior undersurface of the acromion and, if needed, caudal exophytes at the acromioclavicular joint. INDICATIONS All types of outlet impingement after 3 months of conservative treatment. CONTRAINDICATIONS Impingement syndrome with instability/muscular imbalance, massive rotator cuff tear, unstable os acromionale, posterior-superior impingement, joint infection, freezing phase of a secondary frozen shoulder. SURGICAL TECHNIQUE Lateral decubitus position with traction device for the arm. Diagnostic arthroscopy of the glenohumeral joint via standard portals. With arthroscope moved to the subacromial space, bursectomy, electrosurgical release of coracoacromial ligament, resection of acromial hook through standard posterior portal. POSTOPERATIVE MANAGEMENT Physiotherapy or self-exercises on postoperative day 1, pain-adapted analgesia to avoid shoulder stiffness. RESULTS Several studies present positive long-term results compared to conservative treatment (and open acromioplasty) for partial rotator cuff tears and for elderly patients. With a 20-year follow-up, successful results have been achieved for all patients with isolated impingement syndrome.
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Is impaired cerebrovascular autoregulation associated with outcome in patients admitted to the ICU with early septic shock? CRIT CARE RESUSC 2016; 18:95-101. [PMID: 27242107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
OBJECTIVE To investigate the correlation between early changes in cerebrovascular autoregulation (CVAR) and neurological outcome and mortality in patients admitted to the intensive care unit with septic shock. DESIGN, SETTING AND PARTICIPANTS A prospective observational study in a tertiary, university-affiliated ICU, of 28 patients with septic shock (median age, 66 years; interquartile range [IQR], 56-74 years), with a median APACHE III score of 86 (IQR, 55-119). MAIN OUTCOME MEASURES We used the correlation in time between cerebral tissue oxygenation (measured with near infrared spectroscopy) and mean arterial pressure to determine the tissue oxygenation reactivity index (TOx) as a measure of CVAR. Low TOx represents intact CVAR and high TOx represents impaired CVAR. We performed the measurements in the first 3 days after admission to the ICU. Survival and neurological outcomes, measured using the modified Rankin Scale and the Cerebral Performance Category scale, were censored 3 months later. RESULTS All survivors of septic shock had a good neurological outcome. The TOx for Days 1-3 was higher (P < 0.001) in non-survivors (median, 0.04 [IQR, 0.12- 0.24]) compared with survivors (median, -0.02 [IQR, -0.13 to 0.05]). The TOx was independently associated with survival at 3 months (odds ratio, 0.13 [95% CI, 0.01-0.69]; P < 0.05) using logistic regression analysis. CONCLUSIONS CVAR is impaired early in septic shock and is independently associated with mortality at 3-month follow-up. Information based on bedside monitoring of CVAR in the ICU could form a valuable adjunct to guide haemodynamic optimisation in patients with septic shock.
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Burns in Israel, comparative study: Demographic, etiologic and clinical trends 1997–2003 vs. 2004–2010. Burns 2016; 42:500-7. [DOI: 10.1016/j.burns.2015.05.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Revised: 05/26/2015] [Accepted: 05/28/2015] [Indexed: 10/23/2022]
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Association of a variable number tandem repeat in the NLRP3 gene in women with susceptibility to RVVC. Eur J Clin Microbiol Infect Dis 2016; 35:797-801. [PMID: 26951262 PMCID: PMC4840230 DOI: 10.1007/s10096-016-2600-5] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 02/01/2016] [Indexed: 12/21/2022]
Abstract
Vaginal infections with Candida spp. frequently occur in women of childbearing age. A small proportion of these women experience recurrent vulvovaginal candidosis (RVVC), which is characterized by at least three episodes of infection in one year. In addition to known risk factors such as antibiotics, diabetes, or pregnancy, host genetic variation and inflammatory pathways such as the IL-1/Th17 axis have been reported to play a substantial role in the pathogenesis of RVVC. In this study, we assessed a variable number tandem repeat (VNTR) polymorphism in the NLRP3 gene that encodes a component of the inflammasome, processing the proinflammatory cytokines IL-1β and IL-18. A total of 270 RVVC patients and 583 healthy controls were analyzed, and increased diseases susceptibility was associated with the presence of the 12/9 genotype. Furthermore, functional studies demonstrate that IL-1β production at the vaginal surface is higher in RVVC patients bearing the 12/9 genotype compared to controls, whereas IL-1Ra levels were decreased and IL-18 levels remained unchanged. These findings suggest that IL-1β-mediated hyperinflammation conveyed by the NLRP3 gene plays a causal role in the pathogenesis of RVVC and may identify this pathway as a potential therapeutic target in the disease.
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Clinical Relevance of Informal Coercion in Psychiatric Treatment-A Systematic Review. Front Psychiatry 2016; 7:197. [PMID: 28018248 PMCID: PMC5149520 DOI: 10.3389/fpsyt.2016.00197] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 11/29/2016] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Although informal coercion is frequently applied in psychiatry, its use is discussed controversially. This systematic review aimed to summarize literature on attitudes toward informal coercion, its prevalence, and clinical effects. METHODS A systematic search of PubMed, Embase, PsycINF, and Google Scholar was conducted. Publications were included if they reported original data describing patients' and clinicians' attitudes toward and prevalence rates or clinical effects of informal coercion. RESULTS Twenty-one publications out of a total of 162 articles met the inclusion criteria. Most publications focused on leverage and inducements rather than persuasion and threat. Prevalence rates of informal coercion were 29-59%, comparable on different study sites and in different settings. The majority of mental health professionals as well as one-third to two-third of the psychiatric patients had positive attitudes, even if there was personal experience of informal coercion. We found no study evaluating the clinical effect of informal coercion in an experimental study design. DISCUSSION Cultural and ethical aspects are associated with the attitudes and prevalence rates. The clinical effect of informal coercion remains unclear and further studies are needed to evaluate these interventions and the effect on therapeutic relationship and clinical outcome. It can be hypothesized that informal coercion may lead to better adherence and clinical outcome but also to strains in the therapeutic relationship. It is recommendable to establish structured education about informal coercion and sensitize mental health professionals for its potential for adverse effects in clinical routine practice.
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Non-Union in Upper Limb Fractures - Clinical Evaluation and Treatment Options. ACTA CHIRURGIAE ORTHOPAEDICAE ET TRAUMATOLOGIAE CECHOSLOVACA 2016; 83:223-230. [PMID: 28026722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Although non-unions in the upper limb are rare different treatment options of this challenging situation are still affected with up to 20% of failure rate due to current literature. Risk factors for delayed and non-union of fractures are mainly the size of the fracture gap and bone loss of open fractures or in primary surgery followed by other relevant internal and external factors. In the upper limb non-unions of long bones are described with up to 30% after operative intervention. Especially in the upper limb range of motion is limited in non-union cases and disables adjacent joints like the shoulder, elbow and wrist hence reducing the total activity level of affected patients. Beside careful investigation of the causes leading to the non-union a comprehensive treatment plan should be defined to achieve successful results. Treatment can be non-operative in several, selected cases, but in the majority of cases revision surgery is necessary to achieve osseous healing. Our own experience showed that non-union in the upper limb are rare and account for only 1.7% of all surgical managed upper limb fractures. Non-union of upper limb fractures occur most frequently in clavicle fractures followed by humeral fractures. Atrophic non-union is the most frequent reason for osseous non-union (57%) and osseous healing after revision surgery in non-unions is completed after a mean of 6.45 months. This article will give a brief overview of the genesis, clinical evaluation, treatment options and recommendations in upper limb non-unions according to the current literature. Key words: fracture, upper-limb, non-union, osteosynthesis, cancellous bone-graft.
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Psychosocial functioning of individuals with schizophrenia in community housing facilities and the psychiatric hospital in Zurich. Psychiatry Res 2015; 230:413-8. [PMID: 26416587 DOI: 10.1016/j.psychres.2015.09.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 07/30/2015] [Accepted: 09/18/2015] [Indexed: 10/23/2022]
Abstract
Individuals with severe mental illness frequently have difficulties in obtaining and maintaining adequate accommodation. If they are not willing or able to adapt to requirements of traditional supported housing institutions they may live in sheltered and emergency accommodation. Adequate mental health services are rarely available in these facilities. The aim of the present study was to evaluate mental health, functional and social status of individuals living in community sheltered housing facilities. A cross-sectional survey of n=338 individuals in sheltered housing compared to a sample of patients at intake in acute inpatient psychiatry (n=619) concerning clinical and social variables was carried out in the catchment area of Zurich. Matched subsamples of individuals with schizophrenia (n=168) were compared concerning functioning and impairments on the Health of the Nation Outcome Scales (HoNOS). Individuals with schizophrenia in sheltered housing (25% of the residents) have significantly more problems concerning substance use, physical illness, psychopathological symptoms other than psychosis and depression, and relationships, daily activities and occupation than patients with schizophrenia at intake on an acute psychiatric ward. Community sheltered accommodation although conceptualized to prevent homelessness in the general population de facto serve as housing facilities for individuals with schizophrenia and other severe mental illness.
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Pattern recognition pathways leading to a Th2 cytokine bias in allergic bronchopulmonary aspergillosis patients. Clin Exp Allergy 2015; 45:423-37. [PMID: 24912986 DOI: 10.1111/cea.12354] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 04/23/2014] [Accepted: 06/02/2014] [Indexed: 11/30/2022]
Abstract
BACKGROUND Allergic bronchopulmonary aspergillosis (ABPA) is characterised by an exaggerated Th2 response to Aspergillus fumigatus, but the immunological pathways responsible for this effect are unknown. OBJECTIVE The aim of this study was to decipher the pattern recognition receptors (PRRs) and cytokines involved in the Aspergillus-specific Th2 response and to study Aspergillus-induced responses in healthy controls and ABPA patients. METHODS Peripheral blood mononuclear cells (PBMCs) were stimulated with heat-killed Aspergillus conidia, various other pathogens, or PRR ligands. PRRs and cytokine pathways were blocked with PRR-blocking reagents, anti-TNF (Etanercept or Adalimumab), IL-1Ra (Anakinra) or IFNγ (IFN-gamma). ELISA and FACS were used to analyse cytokine responses. RESULTS Aspergillus was the only pathogen that stimulated the Th2 cytokines IL-5 and IL-13, while Gram-negative bacteria, Gram-positive bacteria, Candida albicans, chitin, β-glucan or Toll-like receptor (TLR) ligands did not. Depletion of CD4(+) cells abolished IL-13 production. Blocking complement receptor 3 (CR3) significantly reduced IL-5 and IL-13, while blocking TLR2, TLR4 or dectin-1 had no effect. ABPA patients displayed increased Aspergillus-induced IL-5 and IL-13 and decreased IFNγ production compared with healthy controls. All biological agents tested showed the capability to inhibit Th2 responses, but also decreased Aspergillus-induced IFNγ. CONCLUSIONS AND CLINICAL RELEVANCE Aspergillus conidia are unique in triggering Th2 responses in human PBMCs, through a CR3-dependent pathway. ABPA patients display a significantly increased Aspergillus-induced Th2/Th1 ratio that can be modulated by biologicals. These data provide a rationale to explore IFNγ therapy in ABPA as a corticosteroid-sparing treatment option, by dampening Th2 responses and supplementing the IFNγ deficiency at the same time.
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Are changes in cerebrovascular autoregulation following cardiac arrest associated with neurological outcome? Results of a pilot study. Resuscitation 2015; 96:192-8. [PMID: 26316278 DOI: 10.1016/j.resuscitation.2015.08.007] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/13/2015] [Accepted: 08/17/2015] [Indexed: 11/29/2022]
Abstract
PURPOSE To investigate the association between impaired cerebrovascular autoregulation (CVAR) and outcome in comatose survivors of cardiac arrest. METHODS The correlation in the time domain between cerebral tissue oxygenation (cStO2) using near infrared spectroscopy (NIRS) and mean arterial pressure was used to determine the tissue oxygenation index (TOx) as a reflection of normal (TOx<0) or impaired (TOx>0) CVAR. Daily measurements (>1h recording time) were performed in the first three days post cardiac arrest. Survival and neurological outcome was assessed at three months following cardiac arrest. A control group of healthy volunteers was also investigated. RESULTS 23 patients and 28 volunteers were studied. All survivors (n=8) of cardiac arrest had a good neurological outcome. The TOx (median [interquartile range] for days 1-3) was higher (Mann Whitney test, p<0.001) in non-survivors (0.04 [-0.02 to -0.16]) compared to survivors (-0.11 [-0.19 to -0.02]) and healthy volunteers (-0.15 [-0.27 to -0.04]) on every day and for days 1-3 following cardiac arrest. The TOx was not significantly different between survivors and healthy volunteers. The cStO2 did not discriminate survivors (67 [62-72]%) from non-survivors (71 [65-75]%). Logistic regression analysis demonstrated TOx to be independently associated with survival at three months post cardiac arrest (odds ratio [95% confidence interval] 0.01 [0.01-0.50], p=0.04). CONCLUSIONS Early impairment of CVAR following cardiac arrest is independently associated with mortality at three months follow-up. Assessments of CVAR could add to the management and prognostication during post-resuscitation care and should be further investigated as a guide to optimise cerebral perfusion pressure.
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Ethylene-oxide-induced IgE antibodies and symptomatology in dialysis patients. CONTRIBUTIONS TO NEPHROLOGY 2015; 59:145-53. [PMID: 3442984 DOI: 10.1159/000414623] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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