Control in the absence of choice: A qualitative study on decision-making about gastrostomy in people with amyotrophic lateral sclerosis, caregivers, and healthcare professionals.

BACKGROUND: Gastrostomy is recommended in amyotrophic lateral sclerosis for long-term nutritional support, however, people with amyotrophic lateral sclerosis and healthcare professionals perceive decision-making as complex. METHOD: To explore their perspectives on decision-making regarding gastrostomy, we used semi-structured interviews with people with amyotrophic lateral sclerosis, who had made a decision, and their caregivers; healthcare professionals were interviewed separately. Interviews were transcribed and analyzed thematically. RESULTS: In 14 cases, 13 people with amyotrophic lateral sclerosis and 12 caregivers were interviewed; and in 10 of these cases, 5 healthcare professionals. Participants described decision-making on gastrostomy as a continuous process of weighing (future) clinical need against their values and beliefs in coming to a decision to accept or reject gastrostomy, or to postpone decision-making, while being supported by loved ones and healthcare professionals. Participants described gastrostomy as inevitable, but retained agency through control over the timing of decision-making. They said physical necessity, experiences of loss and identity, and expectations about gastrostomy placement were important factors in decision-making. Decision-making was described as a family affair, with caregivers supporting patient choice. healthcare professionals supported people with amyotrophic lateral sclerosis during the decision-making process and respected their autonomy and values. People with amyotrophic lateral sclerosis stressed the importance of adequate information on the procedure and the benefits. CONCLUSION: People with amyotrophic lateral sclerosis feel in control of decision-making on gastrostomy if they are able to make their own choice at their own pace, supported by loved ones and healthcare professionals. Person-centered decision-making on gastrostomy requires early information exchange and repeated discussions with people with amyotrophic lateral sclerosis and their caregivers, incorporating their values and respecting patient choice.

Stigma experienced by ALS/PMA patients and their caregivers: a mixed-methods study.

OBJECTIVE: Previous work suggests that stigma negatively impacts quality of life in people living with amyotrophic lateral sclerosis (ALS) and progressive muscular atrophy (PMA). This study aimed to explore experiences of enacted stigma (experienced discrimination) and felt stigma (shame, fear of exclusion) among Dutch ALS/PMA patients and their caregivers. A secondary aim was to assess associated factors of enacted/felt stigma among patients. METHODS: A two-phase mixed-methods study was conducted, comprising cross-sectional surveys among 193 ALS/PMA patients and 87 caregivers, and semi-structured interviews with 8 ALS/PMA patients and 11 family caregivers. Descriptive and multivariable regression analyses along with qualitative content analysis were used to analyze survey and interview data. RESULTS: Survey findings indicate that patients and caregivers experience enacted and felt stigma. Interviews with both patients and caregivers revealed two manifestations of enacted stigma, including social exclusion (e.g. relationship distancing) and stigmatizing attitudes/behaviors displayed by others (e.g. staring), and three manifestations of felt stigma, including alienation (e.g. shame/embarrassment), perceived discrimination (e.g. feeling judged) and anticipated stigma (e.g. fear of exclusion). Patients and caregivers engaged in concealing and resisting responses to stigma. More bulbar symptoms, King's clinical stage, younger age and living without a partner were significantly associated with enacted/felt stigma among patients. CONCLUSIONS: Our findings reveal a range of perceptions and experiences underlying enacted/felt stigma among ALS/PMA patients and their caregivers that may serve as conversation topics in clinical practice. Future research may shed more light on the determinants as well as the consequences of stigmatizing experiences among patients and caregivers.

Parental and child adjustment to amyotrophic lateral sclerosis: transformations, struggles and needs.

BACKGROUND: Amyotrophic lateral sclerosis (ALS), progressive muscular atrophy (PMA) and primary lateral sclerosis (PLS), together referred to as ALS, are life-limiting diagnoses affecting not only patients but also the families surrounding them, especially when dependent children are involved. Despite previous research highlighting the vulnerability of children in these families, they are, as yet, often overlooked in healthcare. Efforts are needed to better support children in families living with ALS, both directly and through strengthening parents in their parental role. This study sought to gain a better understanding of parental and children's experiences, struggles and support needs in families living with ALS. METHODS: Semi-structured interviews were conducted with 8 parents with ALS, 13 well parents and 15 children, together representing 17 families. Interview data were analyzed using qualitative content analysis. RESULTS: Three major themes were identified relating to (1) ALS-related transformations in families' homes, activities, roles and relationships, that trigger (2) distress among families, which, in turn, evokes (3) emotional, psychological, educational and practical support needs. For emotional and practical support, parents and children mainly rely on their own family and social network, whereas they seek educational and psychological support from healthcare professionals. CONCLUSIONS: Our findings imply that ALS care professionals may foster family adjustment to living with ALS, most notably through encouraging parents to engage in a dialogue with their children about the many transformations, struggles and needs imposed by ALS and teaching them how to start the dialogue.

Current practices and barriers in gastrostomy indication in amyotrophic lateral sclerosis: a survey of ALS care teams in The Netherlands.

OBJECTIVE: To describe current practices and barriers and support needs in gastrostomy indication and decision-making amongst rehabilitation physicians of ALS care teams in the Netherlands. METHODS: Cross-sectional online survey of rehabilitation physicians of ALS care teams in the Netherlands. Survey items covered current practices in timing of indication (i.e. indicators and criteria), goals, initiating discussion about gastrostomy, and criteria for preferred method of placement; and barriers and support needs in indication and decision-making. Descriptive analysis was used for quantitative responses, thematic, and content analysis for qualitative data. RESULTS: Twenty-nine physicians (41%) of 27 ALS care teams (71%) responded. Timing of indication: physicians agreed on important indicators but not cutoff values/criteria. Goals: optimizing nutritional status (100%), ensuring safe food-intake (72%), and reducing effort of meals (59%). Initiating discussion about gastrostomy: 52% introduces the topic early after diagnosis, 48% at indication. Criteria for method of placement included physician preference (69%), availability of service (21%), lower complication risk (17%), contraindication (59%), and patient preference (24%). Reported barriers (69% of respondents) were: patient readiness (52%), timing of indication (31%), and organizational barriers (18%). Support needs (62%): evidence-based timing of indication (35%) and tailored patient education (31%). CONCLUSIONS: There is practice variation in the timing of first introduction of gastrostomy and preferred method of placement, but agreement on goals and indicators . More evidence on optimal timing of gastrostomy placement is needed. However, until then early and regular discussion of the topic of gastrostomy and better patient information may promote patient readiness and support patient choice.

Discussing Personalized Prognosis Empowers Patients with Amyotrophic Lateral Sclerosis to Regain Control over Their Future: A Qualitative Study.

The ENCALS survival prediction model offers patients with amyotrophic lateral sclerosis (ALS) the opportunity to receive a personalized prognosis of survival at the time of diagnosis. We explored experiences of patients with ALS, caregivers, and physicians with discussing personalized prognosis through interviews with patients and their caregivers, and in a focus group of physicians. Thematic analysis revealed four themes with seven subthemes; these were recognized by the focus group. First, tailored communication: physician's communication style and information provision mediated emotional impact and increased satisfaction with communication. Second, personal factors: coping style, illness experiences, and information needs affected patient and caregiver coping with the prognosis. Third, emotional impact ranged from happy and reassuring to regret. Fourth, regaining control over the future: participants found it helpful in looking towards the future, and emphasized the importance of quality over quantity of life. Personalized prognosis can be discussed with minimal adverse emotional impact. How it is communicated-i.e., tailored to individual needs-is as important as what is communicated-i.e., a good or poor prognosis. Discussing personalized prognosis may help patients with ALS and their caregivers regain control over the future and facilitate planning of the future (care). For many patients, quality of life matters more than quantity of time remaining.

Differences in Societal Participation Across Diagnostic Groups: Secondary Analyses of 8 Studies Using the Utrecht Scale for Evaluation of Rehabilitation-Participation.

OBJECTIVE: To determine differences in participation problems between diagnostic groups and to examine diagnosis as a determinant of participation with and without statistically accounting for confounders. DESIGN: Secondary analyses of data from 8 studies. SETTING: Community, the Netherlands. PARTICIPANTS: Participants (N=1735) in diagnostic groups: stroke (n=534), subarachnoid hemorrhage (n=104), other acquired brain injury (n=163), progressive neurologic diseases (n=112), acute coronary syndrome (n=536), and spinal cord injury (n=286). INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Participation was measured with the Utrecht Scale for Evaluation of Rehabilitation-Participation. This measure has 3 scales: Restrictions, Satisfaction, and Frequency. In this study, scores were also computed for 3 domains across these scales: Productivity, Leisure, and Social. Scores ranged from 0 (worst) up to 100 (best). Possible confounders were age, sex, level of education, marital status, and time since onset of the condition. RESULTS: Significant differences were found in levels of participation between diagnostic groups. Individuals with acute coronary syndrome showed better participation scores in all scales and domains compared with most or all other diagnostic groups, except for the Social domain. Individuals with progressive neurologic diseases showed the lowest (worst) Restriction and Satisfaction scores, whereas those with stroke showed the lowest Frequency scores. After correcting for confounders, diagnosis explained significant proportions of the variance of participation (Frequency, 6.4%; Restrictions, 15.1%; Satisfaction, 5.1%; Productivity, 13.2%; Leisure, 13.8%; Social, 6.9%). CONCLUSIONS: Participation problems occurred in all 6 diagnostic groups within this study. Differences were found in participation between diagnostic groups, demonstrating diagnosis-specific participation profiles, including after correcting for confounders.

Participation and autonomy in the first 10 months after diagnosis of ALS: a longitudinal study.

Introduction: More insight is needed into participation in daily activities and autonomy among patients with amyotrophic lateral sclerosis (ALS). Aims of this study were (1) to describe the course of participation restrictions and autonomy in participation during the first 10 months after diagnosis; (2) to study the influence of the rate of ALS progression on the course of participation. Methods: Secondary analysis of data from the longitudinal multicenter FACTS-2-ALS study. Self-report questionnaires were administered at inclusion (T0; n = 71), at 4 months (T1), 7 months (T2), 10 months (T3) after inclusion. Median duration of follow-up was 10.0 months. Participation restrictions were assessed using the sum of the Mobility Range and Social Behavior subscales of the Sickness Impact profile-68 (SIPSOC). Autonomy in participation was assessed using the Impact on Participation and Autonomy (IPA) Questionnaire. Fast disease progression was defined as an increase of 1.1 points per month or more on the ALS Functional Rating Scale. Results: Patients reported participation restrictions in all subscales while having mild physical limitations. There was a decrease of participation over time (restrictions and autonomy). This decrease was greatest in patients with fast disease progression. Disease progression negatively influenced movement-related participation more than social interaction domains. Rate of disease progression was more strongly related to SIPSOC scores compared to IPA scores. Discussion: Preserving participation may be an important determinant of quality of care for patients with ALS. Rate of progression of the disease should be taken into account as it was found to be significantly associated with the level of participation.

Discussing personalized prognosis in amyotrophic lateral sclerosis: development of a communication guide.

BACKGROUND: Personalized ENCALS survival prediction model reliably estimates the personalized prognosis of patients with amyotrophic lateral sclerosis. Concerns were raised on discussing personalized prognosis without causing anxiety and destroying hope. Tailoring communication to patient readiness and patient needs mediates the impact of prognostic disclosure. We developed a communication guide to support physicians in discussing personalized prognosis tailored to individual needs and preferences of people with ALS and their families. METHODS: A multidisciplinary working group of neurologists, rehabilitation physicians, and healthcare researchers A) identified relevant topics for guidance, B) conducted a systematic review on needs of patients regarding prognostic discussion in life-limiting disease, C) drafted recommendations based on evidence and expert opinion, and refined and finalized these recommendations in consensus rounds, based on feedback of an expert advisory panel (patients, family member, ethicist, and spiritual counsellor). RESULTS: A) Topics identified for guidance were 1) filling in the ENCALS survival model, and interpreting outcomes and uncertainty, and 2) tailoring discussion to individual needs and preferences of patients (information needs, role and needs of family, severe cognitive impairment or frontotemporal dementia, and non-western patients). B) 17 studies were included in the systematic review. C) Consensus procedures on drafted recommendations focused on selection of outcomes, uncertainty about estimated survival, culturally sensitive communication, and lack of decisional capacity. Recommendations for discussing the prognosis include the following: discuss prognosis based on the prognostic groups and their median survival, or, if more precise information is desired, on the interquartile range of the survival probability. Investigate needs and preferences of the patients and their families for prognostic disclosure, regardless of cultural background. If the patient does not want to know their prognosis, with patient permission discuss the prognosis with their family. If the patient is judged to lack decisional capacity, ask the family if they want to discuss the prognosis. Tailor prognostic disclosure step by step, discuss it in terms of time range, and emphasize uncertainty of individual survival time. CONCLUSION: This communication guide supports physicians in tailoring discussion of personalized prognosis to the individual needs and preferences of people with ALS and their families.

Using patient-reported symptoms of dyspnea for screening reduced respiratory function in patients with motor neuron diseases.

BACKGROUND: Poor monitoring of respiratory function may lead to late initiation of non-invasive ventilation (NIV) in patients with motor neuron diseases (MND). Monitoring could be improved by remotely assessing hypoventilation symptoms between clinic visits. We aimed to determine which patient-reported hypoventilation symptoms are best for screening reduced respiratory function in patients with MND, and compared them to the respiratory domain of the amyotrophic lateral sclerosis functional rating scale (ALSFRS-R). METHODS: This prospective multi-center study included 100 patients with MND, who were able to perform a supine vital capacity test. Reduced respiratory function was defined as a predicted supine vital capacity ≤ 80%. We developed a 14-item hypoventilation symptom questionnaire (HYSQ) based on guidelines, expert opinion and think-aloud interviews with patients. Symptoms of the HYSQ were related to dyspnea, sleep quality, sleepiness/fatigue and pneumonia. The diagnostic performances of these symptoms and the ALSFRS-R respiratory domain were determined from the receiver operating characteristic (ROC) curves, area under the curve (AUC), sensitivity, specificity, predictive values and accuracy. RESULTS: Dyspnea-related symptoms (dyspnea while eating/talking, while lying flat and during light activity) were combined into the MND Dyspnea Scale (MND-DS). ROC curves showed that the MND-DS had the best diagnostic performance, with the highest AUC = 0.72, sensitivity = 75% and accuracy = 71%. Sleep-quality symptoms, sleepiness/fatigue-related symptoms and the ALSFRS-R respiratory domain showed weak diagnostic performance. CONCLUSION: The diagnostic performance of the MND-DS was better than the respiratory domain of the ALSFRS-R for screening reduced respiratory function in patients with MND, and is, therefore, the preferred method for (remotely) monitoring respiratory function.

Psychological well-being in adults with spinal muscular atrophy: the contribution of participation and psychological needs.

Purpose: Patients with spinal muscular atrophy (SMA) suffer from slowly progressive weakness of axial, respiratory and proximal muscles, leading to restrictions in activity and participation. This study aims to investigate patients' level of psychological well-being, using the International Classification of Functioning model and self-determination theory as theoretical frameworks.Materials and methods: In this cross-sectional study, adults with SMA were invited to complete a questionnaire. Instruments to assess psychological well-being included the Satisfaction with Life Scale, the Rosenberg Self-Esteem Scale and the Positive and Negative Affect Scale. Hierarchical lineal regression analyses were performed to investigate the contribution of participation (International Classification of Functioning model) and satisfaction of the need for autonomy, competence and relatedness (self-determination theory) to well-being.Results: Ninety-two respondents (67%) returned the questionnaire. Levels of psychological well-being were comparable to that of healthy reference samples. Well-being was unrelated to sociodemographic variables or illness characteristics. By contrast, well-being was closely related to respondents' satisfaction with participation, and their sense of autonomy, competence and relatedness.Conclusions: This study illustrates the relevance of psychological needs for understanding well-being of individuals with SMA. Supporting patients in meeting their psychological needs should become an objective of person-centred care for this population.Implications for rehabilitationSpinal muscular atrophy is a rare inherited disease, characterized by slowly progressive muscle weakness.Psychological well-being, including satisfaction with life, self-esteem and emotional functioning of adults with spinal muscular atrophy appears very comparable with that of healthy reference samples.In line with the International Classification of Functioning framework, well-being in adults with spinal muscular atrophy may be improved by increasing their (satisfaction with) participation.Moreover, clinical assessment and management should focus on optimizing patients' satisfaction with their basic psychological needs (autonomy, competence, relatedness), as this is strongly related to indices of psychological well-being.

Aerobic Exercise Therapy in Ambulatory Patients With ALS: A Randomized Controlled Trial.

BACKGROUND: Weakness caused by motor neuron degeneration in amyotrophic lateral sclerosis (ALS) may result in avoidance of physical activity, resulting in deconditioning and reduced health-related quality of life (HRQoL). OBJECTIVE: To study the effectiveness of aerobic exercise therapy (AET) on disease-specific and generic HRQoL in ambulatory patients with ALS. METHODS: We conducted a multicenter, assessor-blinded, randomized controlled trial. Using a biphasic randomization model, ambulatory ALS patients were assigned (1:1) to AET+usual care (UC), or UC. AET consisted of a 16-week aerobic cycling exercise program. Primary outcome measures were the 40-item ALS assessment questionnaire (ALSAQ-40), and the mental component summary (MCS) and physical component summary (PCS) scores of the short-form survey (SF-36), using linear mixed effects models. Per-protocol (PP) analysis was performed for those patients who attended ≥75% of the training sessions; controls were matched (1:1) by propensity score matching. RESULTS: Of 325 screened patients, 57 were randomized: 27 to AET+UC and 30 to UC. No significant mean slope differences between groups were observed for ALSAQ-40 (-1.07; 95% confidence interval [CI] -2.6 to 0.5, P=0.172) nor for SF-36 MCS (0.24; -0.7 to 1.1, P=0.576) or PCS (-0.51; -1.4 to 0.38, P=0.263). There were no adverse events related to the AET. PP-analyses showed significantly less deterioration in ALSAQ-40 (-1.88, -3.8 to 0.0, P=0.046) in AET+UC compared to UC. CONCLUSIONS: AET+UC was not superior to UC alone in preserving HRQoL in ambulatory ALS patient. However, the study was unfortunately underpowered, because only 10 patients completed the protocol. AET+UC may preserve disease-specific HRQoL in slow progressors. CLINICAL TRIAL REGISTRATION NUMBER: Netherlands National Trial Register (NTR): 1616.

Social participation of adult patients with spinal muscular atrophy: Frequency, restrictions, satisfaction, and correlates.

INTRODUCTION: In this study we assessed social participation in 62 adults with spinal muscular atrophy (SMA) types 1c-4. METHODS: The outcome measure used was the Utrecht Scale of Evaluation Rehabilitation-Participation (USER-P) with Frequency, Restrictions, and Satisfaction scores, and a hierarchical regression analysis. RESULTS: Early-onset (types 1, 2, and 3a) and late-onset (types 3b and 4) SMA patients reported similar frequency and satisfaction scores. "Age," "motor skills," "pain," and "feelings of depression" correlated with frequency; "motor skills" and "feelings of depression" correlated with restrictions; and "level of education," "fatigue," and "feelings of depression" correlated with satisfaction. "Motor skills" and "feelings of depression" explained 33% of variance in frequency of participation. "Motor skills" explained 26% of variance of restrictions in participation. "Fatigue" and "feelings of depression" explained 50% of variance in satisfaction with participation. DISCUSSION: Motor skills, feelings of depression and fatigue are correlates of participation in daily life. This knowledge can be used to optimize care for SMA patients. Muscle Nerve 58:805-811, 2018.

Participation and the Role of Neuropsychological Functioning in Myotonic Dystrophy Type 1.

BACKGROUND: Myotonic Dystrophy type 1 (DM1) is primarily a neuromuscular disease but can also have neuropsychological consequences (i.e.cognitive, emotional and behavioural) which can influence daily living and societal participation. Not much is known about the level of participation of DM1 patients and their relatives and the factors influencing participation. This information can guide the development of rehabilitation programs and identify those at risk of long-term participation problems. OBJECTIVE: To investigate the level of participation of DM1 patients and their partners and the determinants. METHODS: Cross-sectional study using the Utrecht Scale for Evaluation of Rehabilitation-Participation. Determinants were demographic, disease related, and neuropsychological characteristics. Spearman correlations and backward multiple regression analyses were performed. RESULTS: Of the 66 DM1 participants, 54% reported severe fatigue and 47% apathy. Experienced participation restrictions were most prevalent in housekeeping (74%), sports (68%) and outdoor activities (55%). Participants were relatively satisfied with their level of participation, but dissatisfaction occurred mostly in housekeeping (58%), outdoor activities (55%), and sports (54%). Age and apathy were significant predictors of frequency of (R2 = 10.4) and restrictions in participation in the multivariate model (R2 = 14.4). Emotional functioning was the only significant predictor of satisfaction with participation (R2 = 23.8). CONCLUSIONS: A considerable number of DM1 patients have Central Nervous System-related problems such as fatigue and apathy in addition to neuromuscular restrictions. Risk factors for lower participation are age, apathy, and emotional problems. Physical as well as neuropsychological rehabilitation programs are recommended.

Participation restrictions in ambulatory amyotrophic lateral sclerosis patients: Physical and psychological factors.

INTRODUCTION: The aim of this study was to assess the prevalence of participation restrictions in ambulatory patients with amyotrophic lateral sclerosis (ALS) and to identify physical and psychological contributory factors. METHODS: In this cross-sectional study, self-reported participation restrictions of 72 ambulatory ALS patients were assessed using the social health status dimension (SIPSOC) of the Sickness Impact Profile (SIP-68). Associations between SIPSOC and physical functioning, psychological factors, and demographic factors were analyzed using hierarchical regression analyses. RESULTS: Ninety-two percent of the patients reported participation restrictions; 54.9% could be explained by physical functioning; psychological factors accounted for 8.1% of the variance. Lung capacity, functional mobility, fatigue, and helplessness were independently associated with participation restrictions. CONCLUSIONS: Ambulatory ALS patients have participation restrictions, which may be influenced if early ALS care is directed toward lung capacity, functional mobility, fatigue, and feelings of helplessness. Muscle Nerve 56: 912-918, 2017.

Associations between psychological factors and health-related quality of life and global quality of life in patients with ALS: a systematic review.

OBJECTIVE: To systematically identify and appraise evidence on associations between psychological factors (moods, beliefs, personality) and Health-related QoL (HRQoL) and/or global QoL in patients with Amyotrophic Lateral Sclerosis (ALS). METHODS: A systematic review was conducted in several online databases (PsycINFO, EMBASE, PubMed and CINAHL) up to October 2015. Articles were included if they reported associations between psychological factors (moods, beliefs and personality) and HRQoL and/or global QoL in an ALS population. The search was limited to empirical studies, published in English, which provided quantitative data. The methodological quality of the included articles was assessed. RESULTS: In total, 22 studies were included. Mood was investigated in 14 studies, beliefs in 11 studies and personality in one study. Fifteen different psychological factors were extracted and assessed using 24 different measures. Twelve different QoL measures were used in the selected studies, subdivided into seven different HRQoL measures and five different global QoL measures. Higher levels of anxiety and depression appeared to be related to a poorer HRQoL, whereas a higher level of religiosity seemed to be associated with better global QoL. No conclusive associations were found for confusion-bewilderment (mood), spirituality, mindfulness, coping styles, hopelessness, perception of burden, cognitive appraisal (beliefs), neuroticism, extraversion, openness, agreeableness and conscientiousness (personality), due to insufficient or inconsistent evidence. Religiosity and spirituality appeared to become more positively associated over time. CONCLUSIONS: Our results suggest that higher levels of anxiety and depression are related to a poorer HRQoL, whereas higher levels of religiosity appeared to be related to better global QoL. Associations might change during the disease course. This review supports the importance of psychological factors with regard to ALS care. Further research is needed to supplement the available evidence and to investigate how psychological factors can be modified to improve QoL. REVIEW REGISTRATION NUMBER: PROSPERO 2015:CRD42015027303.

Correlates of health related quality of life in adult patients with spinal muscular atrophy.

INTRODUCTION: To improve care for patients with spinal muscular atrophy (SMA), we assessed the physical and mental quality of life (QoL) in 62 adult patients with SMA. METHODS: Physical component scores (PCS) and mental component scores (MCS) of the Short Form-36 Health Survey (SF-36) were obtained. Correlations with demographics, disease severity, and emotional distress were assessed. We used hierarchical multiple regression analysis to identify determinants of QoL. RESULTS: PCS scores were lower, and MCS scores higher than in the healthy reference population. Patients with milder SMA types reported lower scores on several MCS domains. Motor skills scores and emotional distress explained 16% of the variance in PCS. SMA type and emotional distress explained 10% and 45% of the variance of MCS, respectively. CONCLUSIONS: Patients with milder forms of SMA tend to have a reduced mental QoL. Psychological interventions to reduce emotional distress may improve both mental and physical QoL. Muscle Nerve 54: 850-855, 2016.

[Amyotrophic lateral sclerosis, a heterogeneous disorder]. / Amyotrofische laterale sclerose, een heterogene ziekte.

ALS is a disease characterized by the progressive loss of upper and lower motor neurons leading to weakness and spasticity. Diagnosis of ALS is based on exclusion. ALS and frontotemporal dementia (FTD) constitute the extremes of the spectrum of one disease. Many patients show signs of both ALS and FTD. ALS is a heterogeneous disease in which multiple genetic factors contribute. More than 20 genes are known to play a role in ALS pathogenesis. In approximately 5-10% of cases the disease is familial with autosomal dominant inheritance. There is no curative treatment for ALS. The treatment of ALS patients is symptomatic and is focused on achieving a high level of quality of life. New insights into the genetic fundamentals of ALS offer hope for new therapies. Gene-targeted treatment strategies using antisense oligonucleotides are a promising development.