Below knee amputation

OBJECTIVE: Major lower extremity amputation (LEA) such as below-knee or above-knee amputations can result in more physical disabilities and poorer socioeconomic functions than minor LEAs in diabetic foot ulcer (DFU). Therefore, identification of risk factors for major LEA and investigation of effectiveness of endovascular revascularization are critical for prevention and better prognosis of DFU patients. METHODS: From January 2014 to December 2017, a total of 125 patients with DFU treated with any level of amputation were included in this study...

PURPOSE: Intra-articular distal femur fractures in patients with a lower extremity amputation can present a technical challenge for the treating surgeon in what may be otherwise considered a routine procedure in non-amputees. Difficulties with positioning, fracture reduction, limb contractures, and stump osteoporosis can present challenges with treatment. Here, we describe the surgical technique and outcome of a case series of amputee patients with AO/OTA 33C femur fractures. METHODS: Retrospective case series of five patients with a comminuted supracondylar distal femur fracture with intercondylar extension proximal to a below-knee amputation treated with retrograde intramedullary nail at a single Level 1 trauma center from January 1, 2021, to January 1, 2023...

BACKGROUND: Amputation is a major life-changing event and is regarded as one of the loading causes of permanent disability. However, amputation often causes changes in painful and nonpainful sensory experiences. Pain after amputation has been shown to increase functional limitations caused by limb loss and lower quality of life. OBJECTIVE: This study aimed to examine the effect of pain on activity and participation in individuals with unilateral below-knee amputations according to the International Classification of Functioning, Disability, and Health...

Treatment of calcaneal fractures in patients with diabetes mellitus (DM) is challenging. The purpose of this study was to compare post-operative outcomes after open reduction and internal fixation (ORIF) for calcaneus fracture in patients with complicated DM, uncomplicated DM, and patients without DM. A commercially available de-identified database was queried for all calcaneus fracture diagnoses undergoing ORIF from 2010 to 2021. The patients were separated into three groups for analysis: patients without DM (10,951, 82...

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Below-the-knee (infrapopliteal) atherosclerotic disease, which presents as chronic limb-threatening ischemia (CLTI) in nearly 50% of patients, represents a treatment challenge when it comes to the endovascular intervention arm of management. Due to reduced tissue perfusion, patients usually experience pain at rest and atrophic changes correlated to the extent of the compromised perfusion. Unfortunately, the prognosis remains unsatisfactory with 30% of patients requiring major amputation and a mortality rate of 25% within 1 year...

The study aims to construct an inertial measuring system for the application of amputee subjects wearing a prosthesis. A new computation scheme to process inertial data by installing seven wireless inertial sensors on the lower limbs was implemented and validated by comparing it with an optical motion capture system. We applied this system to amputees to verify its performance for gait analysis. The gait parameters are evaluated to objectively assess the amputees' prosthesis-wearing status. The Madgwick algorithm was used in the study to correct the angular velocity deviation using acceleration data and convert it to quaternion...

The 355 nm Auryon laser has been shown to be effective and safe in treating various morphology lesions in the femoropopliteal arteries. There are limited data on the Auryon laser in treating below the knee (BTK) arteries in patients with chronic limb threatening ischemia (CLTI). We present the 30-day efficacy and safety findings from the ongoing Auryon BTK study. Patients with CLTI were prospectively enrolled in the Auryon BTK study between March 2022 and February 2023 in 4 US centers after obtaining informed consent...

OBJECTIVES: this study was carried out to assess the effectiveness of Alprostadil (Prostaglandin E1) when used as an adjuvant therapy with indirect revascularization in patients with critical limb ischemia after the failure of direct revascularization. PATIENTS AND METHODS: At our centers, 120 patients suffering from infrainguinal peripheral arterial disease with critical limb ischemia underwent a failed trial of direct revascularization procedure, all revascularization procedures were endovascular...

OBJECTIVES: Decision making regarding level of lower extremity amputation is sometimes challenging. Selecting an appropriate anatomic level for major amputation requires consideration of tradeoffs between postoperative function and risk of wound complications that may require additional operations, including debridement and/or conversion to above-knee amputation (AKA). We evaluated the utility of common, non-invasive diagnostic tests used in clinical practice to predict need for reoperations among patients undergoing primary, elective below knee-amputations (BKA) by vascular surgeons...

IMPORTANCE: Patients with kidney failure have an increased risk of diabetes-related foot complications. The benefit of regular foot and ankle care in this at-risk population is unknown. OBJECTIVE: To investigate foot and ankle care by podiatrists and the outcomes of diabetic foot ulcers (DFUs) in patients with kidney failure. DESIGN, SETTING, AND PARTICIPANTS: This retrospective cohort study included Medicare beneficiaries with type 2 diabetes receiving dialysis who had a new DFU diagnosis...

A well-fitting socket and a fine-tuned foot alignment are crucial elements in a running-specific prosthesis to allow Paralympic athletes with below-knee amputation to express their full competitive potential. For this reason, once a satisfactory socket-foot configuration is established after dynamic alignment, it is fundamental to reproduce the same conditions when constructing the definitive carbon fiber socket, and when renewing or constructing a back-up prosthesis, without dismantling the original. In addition, to cope with emerging needs of the athlete, it would be beneficial to implement fine-tuning adjustments of the alignment in a very controlled manner...

INTRODUCTION: This study aimed to investigate the effect of multidimensional spiritual psychotherapy on anxiety, depression, and attitude towards self and god in bone cancer patients after amputation. METHOD: Forty one cancer patients with a history of Below-The-Knee amputation were recruited in this quasi-experimental study. The design included pre-and post-tests in experimental and control  groups. The experimental group received 15 sessions of multidimensional spiritual psychotherapy...

The aim of this study is to gain insight in the cardiorespiratory fitness of persons with lower limb amputation (LLA) during rehabilitation, and in potential factors influencing their cardiorespiratory fitness. We performed a retrospective cohort study using data from cardiopulmonary exercise tests. Included participants were adults with LLA. Main outcome was cardiorespiratory fitness expressed as O2 peak (ml/min/kg) and was directly determined using breath-by-breath gas analysis. O2 peak was compared to reference values for able-bodied controls...

Introduction Failure of infrainguinal bypass grafts remains a major problem tackled by vascular surgeons despite a meticulous surgical technique. All infrainguinal bypasses should go under routine surveillance to pick the grafts at risk for the prevention of graft failure. Objectives The aim was to find out if we were adhering to the European Society of Vascular Surgery (ESVS) guidelines in the management of chronic limb-threatening ischaemia (CLTI) patients, including postoperative follow-up and to monitor whether the patients were having postoperative duplex surveillance scans to pick any graft at risk...

OBJECTIVE: Staged surgery with open guillotine amputation (OGA) prior to a definitive major lower extremity amputation (LEA) has been shown to be effective for sepsis control and improving wound healing. Studies have evaluated postoperative complications including infection, return to the operating room for re-amputation, and amputation failure following OGA. However, the role of timing to close OGA for predictive outcomes remains poorly understood. We aim to assess outcomes of major LEA related to the time of OGA closure...

Lower limb trauma often results in mangled extremities, and in some cases, complete amputation may be necessary. However, limiting the extent of amputation and preserving the major knee joint are crucial to enhance mobility and overall functionality. By providing painless soft tissue coverage on the stump, early prosthesis use and the initiation of physiotherapy become more feasible. Soft tissue transfers hold the potential to benefit patients in two essential aspects: first, resolving soft tissue deficiencies without causing bone shortening, and second, preparing the stump to enhance overall functionality...

BACKGROUND: Chronic limb-threatening ischemia (CLTI) is the end-stage of peripheral arterial disease (PAD) posing a high risk for limb loss and mortality. This study aims to evaluate and list possible predictors of major adverse limb events (MALEs) in CLTI patients with tissue loss. METHODS: This retrospective study included all Rutherford-Becker stage 5 or 6 patients who required foot debridement and revascularization in our department from January 2016 to December 2018...

OBJECTIVES: The aim of this study was to systematically review the literature to identify factors that may influence quality of life in people with lower-limb amputation (all etiologies). Our primary focus was on identifying factors that can be modified, enabling a more concentrated integration of these aspects into the care and treatment of amputated patients. DATA SOURCE: Medline (via Ovid) and Scopus were searched in January 2023 for studies assessing quality of life for people with lower-limb loss...

BACKGROUND: The incidence of phantom limb pain in patients with Charcot neuroarthropathy who undergo major amputation is not well described. The purpose of this study was to determine whether patients with Charcot neuroarthropathy and diabetes who underwent either a below-knee amputation (BKA) or above-knee amputation (AKA) had an increased rate of phantom limb pain compared with those with a diagnosis of diabetes alone. METHODS: Using international classification of disease (ICD) and common procedural terminology (CPT) codes, the TriNetX research database identified 10 239 patients who underwent BKA and 6122 who underwent AKA between 2012 and 2022...