Lower Limb Loss Research Articles

Machine Learning Model for Predicting Walking Ability in Lower Limb Amputees

Background/Objectives: The number of individuals with lower limb loss (LLL) is rising. Therefore, identifying the walking potential in individuals with LLL and prescribing adequate prosthetic systems are crucial. Various factors can influence participants’ walking ability, to different extents. The aim of the present study was to apply machine learning methods to develop a predictive mode. This model can assist rehabilitation and limb loss care teams in making informed decisions regarding prosthesis prescription and predicting walking ability in individuals with LLL. Methods: The present study was designed as a prospective cross-sectional study encompassing 104 consecutively recruited participants with LLL (average age 62.1 ± 10.9 years, 80 (76.9%) men) at the Medical Rehabilitation Clinic. Demographic, physical, psychological, and social status data of patients were collected at the beginning of the rehabilitation program. At the end of the treatment, K-level estimation of functional ability, a Timed Up and Go Test (TUG), and a Two-Minute Walking Test (TMWT) were performed. Support vector machines (SVM) were used to develop the prediction model. Results: Three decision trees were created, one for each output, as follows: K-level, TUG, and TMWT. For all three outputs, there were eight significant predictors (balance, body mass index, age, Beck depression inventory, amputation level, muscle strength of the residual extremity hip extensors, intact extremity (IE) plantar flexors, and IE hip extensors). For the K-level, the ninth predictor was The Multidimensional Scale of Perceived Social Support (MSPSS). Conclusions: Using the SVM model, we can predict the K-level, TUG, and TMWT with high accuracy. These clinical assessments could be incorporated into routine clinical practice to guide clinicians and inform patients of their potential level of ambulation.

Listening to children with lower limb loss: Rationale, design, and protocol for delivery of a novel globally applicable research toolkit-Prosthetic user needs, quality of life, pain, and physical function.

Rehabilitation after childhood lower limb loss is complex and dependent on multiple stakeholders and environmental factors. While research with adults underscores the importance of involving prosthetic limb users and caregivers in discussions to drive innovation, children are often excluded or not effectively engaged. This protocol lays out the development and implementation protocol for an internationally applicable research toolkit which has been designed and evaluated around the essential presence of the child. Research domains span their unique prosthetic needs, quality of life, pain, and mobility. Cohorts of children in contrasting environments were identified (Cambodia, Gaza Strip, and the UK) to provide a comprehensive global understanding of the child with lower limb loss. A literature review revealed a lack of appropriate tools for identifying paediatric prosthetic user requirements leading to the development of novel interview guides for each key stakeholder: child, caregiver, and prosthetist. The child's guide centred around enjoyment and engagement using card games and activities. A panel of experts in paediatric limb loss and mental health rigorously reviewed the guides. Guides were integrated with existing validated measures for quality of life, pain, and mobility to form a comprehensive toolkit. The toolkit was successfully piloted with 5 children, their families, and 2 prosthetists. This protocol lays out the toolkit rationale and implementation plan (Jan 2023 to Dec 2025). This work offers the opportunity for this cohort to enjoyably engage with research that seeks to radically improve prospects for all children living with limb loss. The outlined best practices ensure ethical considerations when working with vulnerable cohorts. This study is approved to cover implementation at all geographical locations as well as the researcher institutions. Results will be disseminated through national and international conferences, as well as through manuscripts in leading peer-reviewed journals.

DETECTING CHANGES IN COMFORT, PAIN, AND MOBILITY OVER CLINICAL MILESTONES FOR INDIVIDUALS WITH LOWER LIMB LOSS

BACKGROUND: Functional mobility, comfort and the absence of pain are key goals of prosthetic treatment. Outcome measures (OMs) evaluate the impact of treatment and normative and minimal detectable change (MDC) values are key to interpreting these scores and measuring treatment outcomes. OBJECTIVES: This study seeks to 1) present practice-based normative values of four commonly used OMs at four prosthetic milestones and 2) explore the MDC of the measures over the treatment period. METHODOLOGY: A chart review was conducted of OMs collected with individuals with lower limb loss between January 1, 2015, and December 31, 2023. This included data for individuals with unilateral transtibial (TT), transfemoral (TF) and rotationplasty (RP) amputations and bilateral transtibial amputation (BTT). OMs included the Socket Comfort Score (SCS), Pain Scale (PS), 2 Minute Walk Test (2MWT), and Prosthetic Limb Users Survey of Mobility (PLUS-M). Data were collected at four milestone time points: (1) Baseline and (2) Discharge from Rehabilitation for those in initial prosthetic rehabilitation, and (3) Initial Evaluation and (4) Definitive Delivery for those receiving a replacement socket. Normative values and MDC values were calculated. FINDINGS: Data from 30 individuals undergoing in-patient rehabilitation and 74 individuals receiving a replacement socket were included. Practice-based normative data were different for each level of amputation and milestone and had the following ranges: SCS: 5.7 – 9.1, PS: 0.8 – 3.7, 2MWT: 68.4 – 146.3 m and PLUS-M: 38.9 – 57.3. MDC values also varied based on time in treatment (Rehabilitation: SCS = 2.5, PS = 1.6, 2MWT = 32.6, PLUS-M = 8.8; Replacement Socket: SCS = 3.1, PS = 2.6, 2MWT = 38.9, PLUS-M = 4.0). All measures had a statistically significant change over the intervention, however, no average scores changed by greater than the MDC. CONCLUSIONS: The normative data and MDC scores demonstrate the PS & PLUS-M are useful measures of pain and mobility at all points within treatment. The 2MWT is indicated for individuals in rehabilitation, while the SCS is indicated for those receiving a replacement socket, as both effectively measure treatment goals that are particularly important for each phase of rehabilitation. This provides clinicians with practice-based evidence that enables them to interpret OM scores, a critical part of the decision-making process along the treatment journey. Layman's Abstract When someone receives a prosthesis, the key goals are to promote mobility and comfort and to reduce pain. Outcome measures are questionnaires or performance-based tests that measure the impact of prosthetic treatment. The scores are interpreted by comparing them to normal values and assessing changes over time against a predetermined threshold for what constitutes a significant amount of change. This study analyzed outcome measure scores collected in clinical practice over a 9-year period, from 2015 - 2023. We included individuals with lower limb loss and presented normal values along with threshold change values taken from a clinical setting for four commonly used measures that assess comfort, pain, and mobility. The data included 30 individuals currently attending initial rehabilitation and 74 individuals who had prior experience using a prosthesis. All the normal values were different for each level of amputation and each milestone within rehabilitation. Suggestions are provided regarding which outcome measures are most useful for assessing changes at different points in time. By providing clinicians with evidence based on clinical practice, we can help them use outcome measures to inform decision-making throughout the rehabilitation journey. Article PDF Link: https://jps.library.utoronto.ca/index.php/cpoj/article/view/43890/33243 How To Cite: Pousett B.M, Harasym C.C, Rapaport M.S, Richardson T, Spellen J, Moe D.W, et al. Detecting changes in comfort, pain, and mobility over clinical milestones for individuals with lower limb loss. Canadian Prosthetics & Orthotics Journal. 2024; Volume 7, Issue 1, No.7. https://doi.org/10.33137/cpoj.v7i1.43890 Corresponding Author: Brittany Mae Pousett, CP(C), MSc.540 SE Marine Dr, Vancouver, BC, Canada, V5X 2T4Tel: 604.321.1115E-Mail: brittany@pousett.caORCID ID: https://orcid.org/0000-0002-2272-7847

Feasibility of self-management for amputee rehabilitation using technology and peer support for improving walking and confidence in individuals with lower limb loss

Background: Individuals with lower limb loss (LLL) require self-management education for amputation adaptation. eHealth technologies, like online platforms, widen access to educational resources. We developed an online self-management program for individuals with LLL called Self-Management for Amputee Rehabilitation using Technology (SMART). Objective: To assess the feasibility of SMART for improving walking capacity and confidence for adults with recent LLL. Study Design: A single-group pre-post intervention design. Methods: We recruited community-dwelling adults, with unilateral, transtibial, or transfemoral amputation. Self-management for amputee rehabilitation using technology included 6 weekly online educational modules, for example, pain management, diet, and sock management, and 6 weekly online meetings with a peer mentor to discuss goal setting and action planning. Outcomes were assessed at baseline (before SMART) and after 6 weeks using SMART. Feasibility indicators included process (retention rate), resource (duration of training sessions), management (participant processing), and treatment issues (effect size). The primary clinical outcome was walking capacity measured using Timed Up and Go, and secondary outcome was walking confidence measured using the Ambulatory Self-Confidence Questionnaire. Results: Twelve participants were recruited. The median (range) age was 56.0 (26–79) years. The retention rate was 100%. All participants were trained in less than 15 min. Four participants had an enrollment delay of more than 10 days. Two participants reported noninjurious falls because of amputation comorbidities and increased activity. The effect sizes for walking capacity and confidence were 0.51 and 0.86, respectively. Conclusions: Only small intervention and protocol refinements are required to SMART. These will be incorporated for a future multisite randomized controlled trial. SMART is an eHealth education program for people with LLL. Self-management for amputee rehabilitation using technology with peer support is a feasible intervention. However, adjustments to the study protocol and intervention safety are necessary before proceeding with the evaluation of SMART in a larger study.

Abstract P112: Modifiable Factors Associated with Elevated Mean Arterial Pressure after Lower-Limb Loss

Introduction: Adults with lower-limb loss (LLL) have increased risk of cardiovascular disease even after accounting for risk factors such as physical inactivity and comorbidity burden. Increased risk of cardiovascular mortality may be driven by structural adaptations following LLL, such as increased peripheral vascular resistance. Elevated mean arterial pressure (MAP), the steady component of blood pressure, is a clinical indicator of increased peripheral vascular resistance. Additionally, MAP >100mmHg is known to lead to cardiovascular damage. However, factors associated with elevated MAP among individuals with LLL remain unknown. We aimed to identify factors associated with elevated MAP among adults with LLL, while considering non-modifiable factors. Hypothesis: We hypothesized that LLL-specific non-modifiable variables (e.g., amputation level) and modifiable variables (e.g., prosthesis use) would be significantly associated with elevated MAP presence. Methods: From 2013 to 2023, community-dwelling adults, aged ≥18 years, with LLL and no history of a major adverse cardiac event, who attended a multidisciplinary LLL clinic, underwent standardized evaluations that included medical history review and blood pressure assessment. MAP was calculated using the equation: MAP = diastolic blood pressure + (0.466 × pulse pressure), with a MAP >100mmHg classified as elevated. Variables that were significantly different between-groups, i.e., MAP ≤ 100mmHg and MAP >100mmHg, were input in a forward stepwise logistic regression. Associations between modifiable factors and MAP status were evaluated after controlling for non-modifiable factors. Results: Of 206 participants (54.5±14.1 years old; 74.3% male; 72.8% Caucasian; 81.1% unilateral LLL; 59.2% transtibial; 42.2% dysvascular etiology), n=107 (51.9%) presented with elevated MAP. MAPs >100mmHg were associated with upper extremity pain [odds ratio (OR)=2.74, 95% confidence interval (CI)=1.31-5.74, p=0.008], assistive device use (OR=2.05, 95%CI=1.12-3.74, p=0.020) and elevated pulse rate (OR=1.02, CI=1.00-1.04, p=0.045). Conclusions: More than 50% of adults with LLL and no major adverse cardiac event history present with elevated MAP, indicating a maladaptive increase in peripheral vascular resistance. Identified factors that were significantly associated with elevated MAP may suggest subclinical cardiovascular disease and/or sympathetic overactivity, warranting closer evaluation of cardiovascular risk among adults with LLL.

Lessons to Learn From 36 Cases of Well-Leg Compartment Syndrome in Colorectal Surgery: A Systematic Literature Review.

Well-leg compartment syndrome is a rare and severe complication that occurs after prolonged surgery in the lithotomy position. This review outlines the presentation, diagnosis, and management of well-leg compartment syndrome after colorectal surgery. A comprehensive and systematic search of various electronic databases was conducted. All case reports and case series of well-leg compartment syndrome after colorectal surgery were included. Patient demographics, operative details, presenting symptoms, investigations, management, and treatment outcomes were collected from the eligible reports. Twenty-three articles, reporting a total of 36 patients, were eligible for inclusion in this review. Most of the included patients were male (88.9%), with an age range of 7-74 years. All reported cases in this review were placed in lithotomy position variations (standard lithotomy, Lloyd-Davies, and modified lithotomy) with an operative time exceeding four hours. Moreover, the presenting symptoms were lower limb pain, swelling, and loss of sensation on postoperative days 0 and 1. Fasciotomy was performed in 88.9% of cases, and half of the patients developed permanent sensory or motor dysfunction in the lower limbs. In conclusion, well-leg compartment syndrome is a rare, devastating complication that may result in permanent sensory or motor dysfunction. Early diagnosis and management are paramount for preserving limb function and optimising patient outcomes.

Use of VAC System and Dermal Matrix as a Surgical Alternative for Lower Extremity Degloving Treatment

Introduction: Soft tissue degloving injuries are the result of high-energy forces that produce compression, twisting or friction of tissues causing soft tissue avulsion, in which a large portion of skin and subcutaneous tissue is detached from the underlying fascia and muscles with musculocutaneous damage and perforating fasciocutaneous vessels. Case Report: The case of a 67-year-old female patient was reported, who as a result of a traffic accident (run over) suffered cutaneous loss (degloving) of the left lower limb. The patient underwent surgical cleaning with debridement of dead tissue plus full-thickness skin autograft for partial coverage of the exposed area in the proximal region. At the same time the surgery was performed, the VAC system was placed. After multiple surgical cleanings, scarce granulation tissue was revealed in the middle and distal third of the left leg. Therefore, it was decided to cover the exposed area with dermal matrix for later definitive coverage. The patient is being followed up by outpatient service. It is revealed that the patient already performs assisted mobility, and the grafts are assimilated. Conclusions: Traffic accidents are a major problem worldwide, especially those of high-energy may require multidisciplinary treatment, prolonged surgical time until recovery and return to daily activities. The initial treatment for degloving has to be performed by trained professionals since the criterion for assessing flap vitality is indispensable. When complex skin grafts are not an option, advanced wound treatment should be used, as in this case, where VAC therapy and permanent synthetic substitute were used for the total coverage of a major defect with lost dermal tissue.

Virtual Assessment of Functional Mobility in Lower Extremity Prosthesis Clients: An Exploratory Study

ObjectiveTo investigate the relationship between patient perception of lower extremity function and a home-based virtual clinician assessment of mobility in lower limb prosthesis clients. DesignDescriptive observational study using a clinician-administered functional mobility survey and timed Up and Go test to assess lower extremity function under supervision. SettingHealth Insurance Portability and Accountability Act-compliant online virtual platform. ParticipantsTwelve lower limb loss clients currently using prostheses, aged ≥19 years, not pregnant, and with no stroke, seizure disorder, or cancer. InterventionsNot applicable. Main Outcome MeasuresMain outcomes were mobility survey scores and mean timed Up and Go duration. ResultsMost participants reported significant ease of completing basic indoor ambulation and toileting tasks (66%-75%) and significant difficulty in running or prolonged ambulation activities (83%) requiring use of lower limb prosthesis. Timed Up and Go test was faster (11.0±2.9 s) than the reference range for transtibial prosthesis users and negatively associated with self-reported lower extremity functional status (r=−.70, P=.02). ConclusionsSelf-reported movement with lower limb prostheses at home and evaluation of mobility via a virtual platform is a feasible assessment modality that may reduce the frequency of therapy visits, defray some rehabilitation costs, and minimize the travel burden to distant prosthetic clinics.

The Relationship between Socket Comfort, Pain, and Mobility Over Treatment Milestones for Individuals with Lower-Limb Loss

Introduction This study investigates the relationships among mobility, pain, and socket comfort for people with lower-limb amputations who use prostheses over specific treatment milestones. Methods This is a retrospective chart analysis from January 1, 2015, to July 15, 2021. Outcome measures included are the Socket Comfort Score, Pain Scale, 2-Minute Walk Test, and PLUS-M (Prosthetic Limb Users Survey of Mobility). Data were collected at 4 milestones: Baseline and Discharge from Rehabilitation for those receiving their first prosthesis in rehabilitation and Initial Evaluation and Definitive Fitting for experienced prosthesis users receiving a replacement socket. Demographic data were analyzed using descriptive statistics, and the strength of the correlations was determined using Pearson’s correlations. Results Measures were included from 59 individuals in rehabilitation and 165 individuals receiving a replacement socket. The sample was in general older males with transtibial amputations due to a variety of etiologies. The Pain Scale was negatively correlated with the Socket Comfort Score (−0.49 < r < −0.60), and the PLUS-M was correlated with the 2-minute walk test (0.41 < r < 0.61) at all milestones. Additionally, there were positive correlations between the PLUS-M and Socket Comfort Score (0.30 < r < 0.32), and negative correlations between the PLUS-M and Pain Scale (−0.46 < r < −0.32) for those receiving a replacement socket. Conclusions The relationship among comfort, pain, and mobility changes over the treatment timeline. There is evidence that, by addressing comfort and pain for those with experience using a prosthesis, clinicians can support the goal of increasing self-reported functional mobility. Clinical Relevance This study provides novel information about the relationships among pain, comfort, and mobility and the importance of considering the impact of treatment milestones when taking outcome measures and providing interpretative values as scores and relationships differ over the course of treatment.

Upper Limb Function in People With Upper and Lower Limb Loss 8Years Postinjury: The Armed Services Trauma Outcome Study (ADVANCE) Cohort Study.

Upper limb (UL) disability in people with UL loss is well reported in the literature, less so for people with lower limb loss. This study aimed to compare UL disability in injured (major trauma) and uninjured UK military personnel, with particular focus on people with upper and lower limb loss. A volunteer sample of injured (n= 579) and uninjured (n= 566) UK military personnel who served in a combat role in the Afghanistan war were frequency matched on age, sex, service, rank, regiment, role, and deployment period and recruited to the Armed Services Trauma Rehabilitation Outcome (ADVANCE) longitudinal cohort study. Participants completed the Disability of the Arm, Shoulder, and Hand (DASH) questionnaire, scored from 0 (no disability) to 100 (maximum disability) 8years postinjury. Mann-Whitney U and Kruskal-Wallis tests were used to compared DASH scores between groups. An ordinal model was used to assess the effect of injury and amputation on DASH scores. DASH scores were higher in the Injured group compared to the Uninjured group (3.33 vs 0.00) and higher in people with lower limb loss compared to the Uninjured group (0.83 vs 0.00), although this was not statistically significant. In the adjusted ordinal model, the odds of having a higher DASH score was 1.70 (95% CI = 1.18-2.47) times higher for people with lower limb loss compared to the Uninjured group. DASH score was not significantly different between people with major and partial UL loss (15.42 vs 12.92). The odds of having a higher DASH score was 8.30 (95% CI = 5.07-13.60) times higher for people with UL loss compared to the Uninjured group. People with lower limb loss have increased odds of having more UL disability than the Uninjured population 8years postinjury. People with major and partial UL loss have similar UL disability. The ADVANCE study will continue to follow this population for the next 20years. For the first time, potential for greater long-term UL disability has been shown in people with lower limb loss, likely resulting from daily biomechanical compensations such as weight-bearing, balance, and power generation. This population may benefit from prophylactic upper limb rehabilitation, strength, and technique.

Features of diagnostics and treatments of the patient with type 2 diabetes mellitus and chronic ischtmia with threating lower limb loss

The article presents the result of our own observation of the patient with a poor control of type 2 diabetes mellitus (DM) for a long period, complicated by obliterating atherosclerosis of the arteries of the lower extremities, Menckeberg’s sclerosis and chronic ischemia threatening loss of the lower extremity (CLLI). A feature of the clinical manifestation are complications associated with potentially regional (angiosomal) ischemia of the foot, as well as variant anatomy, represented by hypoplasia of the vascular lower leg in the patient. The clinical consequences of vascular calcification due to long-term decompensation of carbohydrate metabolism and the development of diabetic distal polyneuropathy (DDP) led to falsely high values of the cuff test in the patient. Disadvantages of non-invasive methods for diagnosing limb ischemia and advantages of the complex application of tests for diseases of the arteries of the lower extremities are discussed. Using WIFI classification according to the degree of ulceration, the degree of ischemia, and the degree of infection on the foot (Wound, Ischemia and Foot Infection), the tactics of managing the patient are presented. The important role of ultrasonic duplex scanning (USDS) in the visualization of the arteries of the legs and feet in patients with DM is substantiated. The importance of a multidisciplinary approach in the management of a comorbid patient with type 2 diabetes and CLTI is emphasized.

Quantifying Bone and Skin Movement in the Residual Limb-Socket Interface of Individuals With Transtibial Limb Loss Using Dynamic Stereo X-Ray: Protocol for a Lower Limb Loss Cadaver and Clinical Study.

Relative motion between the residual limb and socket in individuals with transtibial limb loss can lead to substantial consequences that limit mobility. Although assessments of the relative motion between the residual limb and socket have been performed, there remains a substantial gap in understanding the complex mechanics of the residual limb-socket interface during dynamic activities that limits the ability to improve socket design. However, dynamic stereo x-ray (DSX) is an advanced imaging technology that can quantify 3D bone movement and skin deformation inside a socket during dynamic activities. This study aims to develop analytical tools using DSX to quantify the dynamic, in vivo kinematics between the residual limb and socket and the mechanism of residual tissue deformation. A lower limb cadaver study will first be performed to optimize the placement of an array of radiopaque beads and markers on the socket, liner, and skin to simultaneously assess dynamic tibial movement and residual tissue and liner deformation. Five cadaver limbs will be used in an iterative process to develop an optimal marker setup. Stance phase gait will be simulated during each session to induce bone movement and skin and liner deformation. The number, shape, size, and placement of each marker will be evaluated after each session to refine the marker set. Once an optimal marker setup is identified, 21 participants with transtibial limb loss will be fitted with a socket capable of being suspended via both elevated vacuum and traditional suction. Participants will undergo a 4-week acclimation period and then be tested in the DSX system to track tibial, skin, and liner motion under both suspension techniques during 3 activities: treadmill walking at a self-selected speed, at a walking speed 10% faster, and during a step-down movement. The performance of the 2 suspension techniques will be evaluated by quantifying the 3D bone movement of the residual tibia with respect to the socket and quantifying liner and skin deformation at the socket-residuum interface. This study was funded in October 2021. Cadaver testing began in January 2023. Enrollment began in February 2024. Data collection is expected to conclude in December 2025. The initial dissemination of results is expected in November 2026. The successful completion of this study will help develop analytical methods for the accurate assessment of residual limb-socket motion. The results will significantly advance the understanding of the complex biomechanical interactions between the residual limb and the socket, which can aid in evidence-based clinical practice and socket prescription guidelines. This critical foundational information can aid in the development of future socket technology that has the potential to reduce secondary comorbidities that result from complications of poor prosthesis load transmission. DERR1-10.2196/57329.

Prosthetic outcomes after amputation and the impact of mobility level on survival

ObjectiveLower extremity amputation continues to be necessary in a significant number of patients with peripheral vascular disease. The 5-year survival following lower limb loss is markedly reduced. Many of these patients are never fitted with a prosthesis, and there is a dearth of knowledge regarding the barriers to prosthetic attainment. The goal of this study was to identify the risk factors for not receiving a prosthesis and the effect of mobility level on survival following major amputation. MethodsThis was a retrospective analysis of all patients that underwent lower extremity amputation by surgeons in our practice from January 1, 2010, to December 31, 2019. Abstracted data included: age, sex, race, body mass index, comorbidities, American Society of Anesthesiologists score, statin use, level of amputation, stump revision, fitting for prosthesis, type of prosthesis, and the United States’ Medicare Functional Classification Level, also called K level. Survival was determined using a combination of sources, including the Social Security Death Master File, searches of multiple genealogic registries, and general internet searches. Multivariable logistic regression was used to determine risk factors associated with prosthesis attainment. Multivariable Cox proportional hazard regression with time-dependent covariates was performed to assess risk factors associated with 5-year mortality. ResultsA total of 464 patients were included in this study. The mean age was 65 years, and mean body mass index was 27 kg/m2. The majority of patients were male (68%), White (56%), diabetic (62%), and hypertensive (76%), and underwent below-the-knee amputation (69%). Prosthetic attainment occurred in 185 (40%). On multivariable analysis, age >81 years and current tobacco use were associated with no prosthetic fitting. Overall 5-year survival was 41.9% (95% confidence interval [CI], 37.6%-46.6%) (below-the-knee amputation, 47.7% [95% CI, 42.5%-53.5%]; above-the-knee amputation, 28.7% [95% CI, 22.1%-37.2%]). On multivariable analysis, age >60 years, congestive heart failure, above-the-knee amputation, and no prosthetic attainment were associated with decreased survival. Increasing K level was incrementally associated with improved survival. ConclusionsThis study has identified several patient factors associated with prosthetic attainment, as well as multiple factors predictive of reduced survival after amputation. Being referred for prosthetic fitting was associated with improved survival not explained by patient characteristics and comorbidities. The Medicare Functional Classification Level K level predicts survival. More research is needed to determine the barriers to prosthetic attainment and if improving a patients K level will improve survival.

Case Report : Physiotherapy management of maternal obstetric palsy in a Nigerian teaching hospital

Introduction Maternal obstetric palsy is a rare nerve injury to all or part of the lumbosacral plexus with signs and symptoms becoming evident during labour or after childbirth. Motor and sensory involvement affect dermatomes and lower limb muscle group(s). Physiotherapy is indicated for the clinical presentations of maternal obstetric palsy, but research in this area is limited. The purpose of this case report was to highlight the application of physiotherapy in the management of the clinical presentations of maternal obstetric palsy. Clinical description A 38-year-old female patient presented with severe pain (verbal pain rating scale [VPRS]: 10/10), intermittent muscle spasm, loss of sensation, weakness of lower limb muscle groups (Oxford Muscle Grading [OMG]: ≤2/5) and loss of lower limb function after childbirth following prolonged obstructed labour. The patient was diagnosed with maternal obstetric palsy after detailed history and physical examinations. Interventions and outcomes Transcutaneous electrical muscle stimulation and muscle strengthening exercises were administered immediately post-delivery. Duration of treatment was eight weeks. The patient’s pain stopped (VPRS= 0/10), muscle spasm reduced, with improved muscle strength (OMG≥ 4/5) and lower limb function. Conclusion Early physiotherapy reduced pain intensity and muscle spasm, and increased muscle strength and function in a patient with maternal obstetric palsy.

The impact of climate change and related extreme weather on people with limb loss.

The human health consequences of climate change and extreme weather events are well documented. Published literature details the unique effects and necessary adaptation planning for people with physical disabilities in general; however, the specific impacts and plans for people with limb loss have yet to be explored. In this article, we discuss the impacts related to threats due to heat, cold, severe storms, and power outages. We describe how climate change uniquely affects people with limb loss and underscore the need for rehabilitation care providers and researchers to: (1) study the health impacts of climate change on people with lower limb loss; (2) educate themselves and patients on the climate crisis and climate preparedness; (3) co-develop resiliency strategies with patients, governments, and community organizations to improve adaptive capacity; and (4) advocate for policy changes that will enact protections for this at-risk population.

Medication Use for Primary Prevention of Atherosclerotic Cardiovascular Disease among Adults with Lower-Limb Loss

Medication Use for Primary Prevention of Atherosclerotic Cardiovascular Disease among Adults with Lower-Limb Loss

Salvaging External Iliac Artery Dissection during Renal Transplant: A Case Series

External iliac artery dissection is a rare and reversible but serious complication of renal transplant that may ultimately lead to loss of kidney and lower limb. The exact cause of dissection is not known but atherosclerosis, imperfect suturing techniques, and clamp trauma are associated with increased risk. Here, we report three successful cases of vascular repair of external iliac artery dissection during renal transplant by Dacron interposition graft and reanastomosis.

What are relevant predictors of physical activity in older adults with lower limb loss (LLL)? Results of a retrospective analysis.

People with lower limb loss (LLL) have reduced physical activity (PA). There is evidence of physical and psychosocial predictors of PA in older adults with limb loss. However, these 2 areas (physical/psychosocial) have not been evaluated in the same analysis. To describe and identify predictors of PA in individuals with LLL. Cross-sectional study. Secondary analysis of data from a multisite Canadian randomized control trial involving community-dwelling prosthetic ambulators with unilateral transtibial or transfemoral amputation (N = 72). The dependent variable was the Physical Activity Scale for the Elderly. Potential predictors were four step square test, 2-minute walk test, Short Physical Performance Battery, Life Space Assessment, walking while talking test, and Activities-specific Balance Confidence scale. Seventy-two community-dwelling lower limb prosthesis users were enrolled. The sample included 62 male participants (86%), and 58 participants (81%) had transtibial amputation. The average age of participants was 65 (8.9) years, and for 49 participants (70%), the amputation was over 24 months ago. The total mean Standard Deviation (SD) Physical Activity Scale for the Elderly score was 153.2 (88.3), with scores of 148.1 (11.4) and 184.5 (24.7) for male and female participants, respectively. Regression analysis identified Life Space Assessment (β = 1.15, p = 0.007) and Short Physical Performance Battery (β = 3.51, p = 0.043) as statistically significant predictors accounting for 25% of the variance in PA. Community mobility and physical performance are the most meaningful predictors of PA. Future research should examine additional factors (e.g., environment, motivation). Understanding the predictors for PA after LLL would improve clinical practice as clinicians would have increased knowledge to modify and improve training.

A qualitative study of clinicians’ and individuals’ with lower limb loss perspectives on the development of a novel online self-management program

Purpose To explore the rehabilitation preferences and experiences of clinicians and patients for education after lower limb loss to facilitate the development of an online self-management program. Methods A qualitative descriptive approach was used. Thirty-one clinicians (physiotherapists, occupational therapists, and prosthetists), and 26 patients with lower limb loss (transtibial and transfemoral amputation; mean age (SD) of 63.3 (9.1), years) were recruited. We used semi-structured focus groups and one-on-one interviews, and audio recorded the interviews. Data were analyzed using conventional content analysis. Results Three themes were identified: (1) Needing education in rehabilitation described the education in current practice as one-on-one discussion and booklets and highlighted the limitations of education such as its length, static nature, and inaccessible for patients living in remote areas. (2) Getting back to activities prior to amputation emphasized how goal setting and social support could assist patients and facilitate self-management. (3) Augmenting learning highlighted the need for an accessible complementary source for education and potential solutions to overcome the barriers of online delivery. Conclusions Our findings underscore the importance of education in the rehabilitation of patients to help them get back to their activities. An online accessible tool may improve education by providing information and peer support.

Outcomes of Patients with Lower Limb Loss after Using a Training Prosthesis: A Retrospective Case Series Study.

The aim of this retrospective case series study was to investigate outcomes in patients with lower limb loss based on whether or not they used a training prosthesis (TP) during rehabilitation. The medical records of 171 consecutive patients admitted to rehabilitation hospitalization between January 2014 and December 2018 following a major amputation of the lower limb were reviewed. Patients were categorized into two groups: patients who underwent rehabilitation with a TP and patients who did not use a TP. Outcomes (i.e., discharge destination, length of stay, number of sockets required, and number of the size adaptation of each socket, as well as functional level) were compared between groups. Of the 171 patients, 126 underwent rehabilitation with a TP, and 45 patients underwent rehabilitation without any TP. In conclusion, we found that patients who used a TP had a significantly shorter hospital length of stay when compared to those who did not. This length of stay for patients with TP was not influenced by age but was lowered by a higher body mass index (BMI), tibial instead of femoral amputation, and the male gender. No association was found between the use of TP and discharge destination, functional level, number of socket modifications, and number of sockets required.