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PubMed2001

A prospective evaluation of the clinical utility of the lower-extremity injury-severity scores.

BACKGROUND: High-energy trauma to the lower extremity presents challenges with regard to reconstruction and rehabilitation. Failed efforts at limb salvage are associated with increased patient mortality and high hospital costs. Lower-extremity injury-severity scoring systems were developed to assist the surgical team with the initial decision to amputate or salvage a limb. The purpose of the present study was to prospectively evaluate the clinical utility of five lower-extremity injury-severity scoring systems. METHODS: Five hundred and fifty-six high-energy lower-extremity injuries were prospectively evaluated with use of five injury-severity scoring systems for lower-extremity trauma designed to assist in the decision-making process for the care of patients with such injuries. Four hundred and seven limbs remained in the salvage pathway six months after the injury. The sensitivity, specificity, and area under the receiver operating characteristic curve were calculated for the Mangled Extremity Severity Score (MESS); the Limb Salvage Index (LSI); the Predictive Salvage Index (PSI); the Nerve Injury, Ischemia, Soft-Tissue Injury, Skeletal Injury, Shock, and Age of Patient Score (NISSSA); and the Hannover Fracture Scale-97 (HFS-97) for ischemic and nonischemic limbs. The scores were analyzed in two ways: including and excluding limbs that required immediate amputation. RESULTS: The analysis did not validate the clinical utility of any of the lower-extremity injury-severity scores. The high specificity of the scores in all of the patient subgroups did confirm that low scores could be used to predict limb-salvage potential. The converse, however, was not true. The low sensitivity of the indices failed to support the validity of the scores as predictors of amputation. CONCLUSIONS: Lower-extremity injury-severity scores at or above the amputation threshold should be cautiously used by a surgeon who must decide the fate of a lower extremity with a high-energy injury.

Adolescent↗

PubMed2003

The LEGS score: a proposed grading system to direct treatment of chronic lower extremity ischemia.

OBJECTIVE: To prospectively compare the Lower Extremity Grading System (LEGS)-derived "recommended treatment" to the actual treatment performed and to analyze LEGS intergrader scoring consistency by comparing blinded scoring results between physician graders. SUMMARY BACKGROUND DATA: Due to technical advances and the increased medical complexity of the aging population, the most appropriate treatment for chronic lower extremity ischemia-open surgery versus endovascular-is again in flux. In an attempt to standardize management, the LEGS score, based on the best available outcomes data, was devised by the physicians of an established vascular service. METHODS: From March to June 2002, all chronically ischemic lower extremities that met standard indications for revascularization were prospectively enrolled and independently graded with the LEGS score by an "endovascular surgeon" and an "open surgeon" for comparative analysis. The results were then blindly evaluated to determine whether the LEGS-derived "recommended treatment" agreed with the actual treatment rendered and to assess for intergrader consistency. Agreement was assessed using kappa statistical analysis. RESULTS: Of the 137 presenting limbs (mean patient age 66.4 yo; 43% claudication, 57% limb-threatening ischemia), 107 were treated (65% endovascular, 30% open surgery, 5% amputation), 16 were pending treatment, and 14 were not treated because of patient refusal (n = 13) or death (n = 1). The LEGS score predicted the actual or offered clinical treatment in 90% of cases. The LEGS score comparison between physician graders resulted in identical "recommended treatment" in 116 of 128 cases for a 90.6% agreement. CONCLUSIONS: A reproducible scoring system to guide the treatment of patients with chronic lower extremity ischemia is possible. While systems like the LEGS score may have potential clinical application, their use as a treatment standardization tool for future prospective outcomes comparisons between open and endovascular surgery will be essential.

Adult↗

PubMed2003

Compression neuropathies of the lower extremity.

Compression neuropathies of the lower extremity can be just as disabling as compression neuropathies in the upper extremity. The most common compression neuropathies encountered in the lower extremity affect the lateral femoral cutaneous nerve, the peroneal nerve, the saphenous nerve, the sural nerve, and the tibial nerve (including their branches). These are discussed in terms of anatomy, etiologies, manifestations, and surgical treatment.

Humans↗

PubMed1994

Relationship of fatigued run and rapid stop to ground reaction forces, lower extremity kinematics, and muscle activation.

Fatigue may be related to lower extremity injury. The effect of lower extremity fatigue on ground reaction force production, lower extremity kinematics, and muscle activation during the landing phase of a run and rapid stop was investigated. Subjects were 19 female, Division 1 collegiate basketball and volleyball players (mean age = 20.8 +/- 1.8 years, mean weight = 71.7 +/- 6.9 kg, mean height = 174 +/- 5 cm). Dominant leg ground reaction and muscle activation data were sampled at 2,000 Hz. Lower extremity kinematic data were sampled at 200 Hz, and three-dimensional analysis was performed. Knee extensor/flexor muscle activation tended to be delayed during fatigue (p < or = .08). Maximum knee flexion tended to occur earlier during fatigue (p < or = .09). Step-wise multiple regression suggested that the knee may be the primary site of force attenuation following fatigue. During fatigue, biodynamical compensations in the mechanical properties of the knee extensor musculature, as evidenced by differences in knee kinematics and muscle activation times, may occur to enhance knee stability.

Adult↗

PubMed1991

Blood supply of the lower extremity.

The blood supply to the lower extremity has been reviewed, and the concept of direct arterial or axial supply at the groin, fasciocutaneous perforators, and septocutaneous blood vessels in the lower leg has been outlined. The major myocutaneous and fasciocutaneous units in the lower extremity have been outlined and their applications described. All of the reconstructive flaps available are based on a clear understanding of the underlying blood supply. We have tried to look toward what might be multiple contributions of blood supply that may change flap design in an anatomic territory or alter the flap concept entirely. An example would be a myocutaneous flap and its overlying fasciocutaneous territory, or a flap based on a septocutaneous perforator. The plastic surgeon has truly benefited from more in-depth study of the lower extremity blood supply.

Humans↗

PubMed2006

Factors influencing outcome following limb-threatening lower limb trauma: lessons learned from the Lower Extremity Assessment Project (LEAP).

The Lower Extremity Assessment Project (LEAP) is a multicenter study of severe lower extremity trauma in the US civilian population. At 2- and 7-year follow-ups, the LEAP study found no difference in functional outcome between patients who underwent either limb salvage surgery or amputation. However, outcomes on average were poor for both groups. This study and others provide evidence of wide-ranging variations in outcome following major limb trauma, with a substantial proportion of patients experiencing long-term disability. In addition, outcomes often are more affected by the patient's economic, social, and personal resources than by the initial treatment of the injury--specifically, amputation or reconstruction and level of amputation. A conceptual framework for examining outcomes after injury may be used to identify opportunities for interventions that would improve outcomes. Because of essential differences between the civilian and military populations, the findings of the LEAP study may correlate only roughly with combat casualty outcomes.

Amputation, Surgical↗

PubMed1998

Lower extremity morphology and alignment and risk of overuse injury.

OBJECTIVE: Lower extremity alignment factors, including tibiofemoral angle, quadriceps angle (Q-angle), and limb length discrepancies, are commonly thought to be clinically relevant as contributing factors to overuse injuries of the lower extremities. To explore the scientific rationale for these clinical beliefs, we conducted a review of the available English language literature from 1966 to July 1997 relating overuse injury to lower extremity alignment. DATA SOURCES: MEDLINE was searched for medical subject headings and title key words to locate published works relating lower extremity morphologic characteristics to risk of overuse injury. Additional references were reviewed from reprint collections and reference lists of published work. DATA EXTRACTION AND SYNTHESIS: Relevant studies were reviewed for strengths and weaknesses in design, analysis, and conclusions. Synthesis across studies concentrated on commonalities and differences of methods in definition of exposure and outcome variables. MAIN RESULTS: Six population-based studies have been conducted evaluating some aspect of lower extremity alignment as a risk factor for overuse injury. Three of these studies evaluated military recruits in basic training, two studied mixed groups of athletes and one studied folk dancers. The time frame across studies ranged from 12 weeks to 52 weeks. A key finding was the considerable variation in the measure of lower limb alignment used as the exposure variable, as well as the method of measurement used to quantify the exposure. Some studies relied on visual examination, whereas others used digitized photographic techniques. Moreover, each study varied in the definition used for overuse injury; outcomes ranged from self-reported cases of shin splints to radiographic confirmation of stress fracture. Five of the six studies evaluated some aspect of foot morphology, whereas only one evaluated full leg alignment parameters. CONCLUSIONS: Results were conflicting but, in general, did not support clinical beliefs of the detrimental effects of decreased longitudinal foot arch and varus tibiofemoral alignment as risk factors for lower extremity overuse injury. Differences in methodologic rigor and outcome definition prevent a meaningful synthesis of existing work. Directions for future research are suggested.

Athletic Injuries↗

PubMedDate not supplied

Hip spine syndrome: management of coexisting radiculopathy and arthritis of the lower extremity.

BACKGROUND CONTEXT: Significant lumbar spinal stenosis and lower extremity arthritis may coexist in the elderly. This combination of lumbar stenosis with radiculopathy and lower extremity arthritis may lead to diagnostic uncertainty. PURPOSE: To describe the findings of hip spine syndrome, a constellation of symptoms with extensive overlap of radiculopathy and lower extremity arthritis. CONCLUSIONS: Evaluation of the patient with lower extremity pain in consideration for total joint arthroplasty should include functional inquiry of the spinal nerves. Diagnostic tests and injections may allow an informative weighting of the patient's symptoms, leading to a better understanding of the patient's pain syndrome. There is a group of patients who have a total hip arthroplasty and then develop or may continue to have pain of groin and buttock, secondary to sciatica of lumbar spinal stenosis. For the patient undergoing total hip arthroplasty with asymptomatic spinal stenosis, there may be increased neurological risk at surgery, related to the stenosis. The patient with both conditions may require surgical decompression of the lumbar stenosis as well as joint arthroplasty of the arthritic joint.

Arthritis↗

PubMed1981

Tendon transfers for peripheral nerve injuries of the lower extremity.

1. Nerve injuries in the lower extremity not infrequently result in paralysis of the muscles innervated by the injured nerve. 2. Disability caused by residual paralysis can be reduced by appropriate muscle transfers. 3. Deformity must be corrected before muscle transfer. 4. The most useful transfers in the lower extremities are the transfer of the tibialis posterior tendon anteriorly for correction of the equinovarus deformity of peroneal nerve injury; the transfer of the tibialis anterior with or without the peroneus longus to the calcaneus to prevent calcaneus deformity caused by loss of the triceps surae; and the transfers of the biceps femoris and semitendinosus to the patella to replace a paralyzed quadriceps. 5. Stability in the lower extremity is of prime importance and, if significant foot deformity is present at the time of transfer, a triple or subtalar arthrodesis is indicated as an associated procedure in transfers about the ankle.

Adult↗

PubMed2001

Variation in clinical decision making is a partial explanation for geographical variation in lower extremity amputation rates.

BACKGROUND: Rates of lower extremity amputation vary significantly both between and within countries. The variation does not appear to support differences in need as an explanation. This study set out to see if variations in clinical decision making might contribute to the explanation. METHODS: Based on an extensive audit database of lower extremity amputations and revascularization operations, a decision model was produced. Drawing on items in this model allowed the selection of six clinical cases that differed in their probability of having amputation as the outcome. Two cases had 80 per cent or more, two cases had 45--55 per cent and two cases had 20 per cent or less probability of amputation. Each of ten consultant vascular surgeons looked at these cases without knowledge of their probability of outcome and decided on amputation or revascularization. RESULTS: Overall the chance-adjusted level of agreement (kappa coefficient) between the decisions made by ten surgeons on the six clinical cases and the actual outcome was 0.46, indicating a moderate level of agreement. The kappa coefficient for individual surgeons showed complete agreement (kappa = 1) for four, substantial agreement (kappa = 0.66) for four, fair agreement (kappa = 0.32) for one and no agreement other than at a chance level (kappa = 0) for one surgeon. CONCLUSION: Variations in the clinical decisions made by vascular surgeons given the same patient are likely to explain at least a part of the observed geographical variation in rates of lower extremity amputation. Consensus guidelines may enable more consistent decision making for this problem.

Aged↗

PubMed2005

Rescue and treatment of severely injured lower extremities.

OBJECTIVE: To explore a treatment approach for severely injured lower extremities. METHODS: The data of 42 patients with severely traumatic lower extremities from 1989 to 1999 were retrospectively reviewed. According to MESS (mangled extremity severity score) the mean score of all the limbs was 6.24+/-1.45, 34 cases had MESS score < 7 and 8 cases had MESS score > or = 7. Treatment approaches included microvascular anastomosis technique, compound tissue flap transplantation technique and compound bone tissue flap transplantation. RESULTS: Two patients died after operation and one patient had delayed amputation of a lower limb. The rest 39 patients were followed up for 4-13 years. All the lower extremities of the 39 patients survived and had equal length. The 39 cases were evaluated by Chen's criterion, showing that 37 had good result (29, Chen I and 8, Chen II), 1 sufficient (Chen III) and 1 poor (Chen IV). CONCLUSIONS: Successful emergency treatment of severely injured lower extremities could be achieved by using microsurgery techniques and strict controlling of lower extremity salvagel indications.

Adolescent↗

PubMed1999

Effects of velocity on upper to lower extremity muscular work and power output ratios of intercollegiate athletes.

OBJECTIVES: Peak torque expresses a point output which may, but does not always, correlate well with full range output measures such as work or power, particularly in a rehabilitating muscle. This study evaluates isokinetic performance variables, particularly (a) flexor to extensor work and power output ratios of upper and lower extremities and (b) overall upper to lower extremity work and power ratios, in intercollegiate athletes. The purpose was to ascertain how speeds of 30 and 180 degrees/s influence agonist to antagonist ratios for torque, work, and power and to determine the effects of these speeds on upper to lower limb flexor (F), extensor (E), and combined (F + E) ratios, as a guide to rehabilitation protocols and outcomes after injury. METHODS: Twenty seven athletic men without upper or lower extremity clinical histories were tested isokinetically at slow and moderately fast speeds likely to be encountered in early stages of rehabilitation after injury. Seated knee extensor and flexor outputs, particularly work and power, were investigated, as were full range elbow extensor and flexor outputs. The subjects were morphologically similar in linearity and muscularity (coefficient of variation 4.17%) so that standardisation of isokinetic outputs to body mass effectively normalised for strength differences due to body size. Peak torque (N.m/kg), total work (J/kg), and average power (W/kg) for elbow and knee flexions and extensions were measured on a Cybex 6000 isokinetic dynamometer. With respect to the raw data, the four test conditions (F at 30 degrees/s; E at 30 degrees/s; F at 180 degrees/s; E at 180 degrees/s) were analysed by one way analysis of variance. Reciprocal (agonist to antagonist) F to E ratios of the upper and lower extremities were calculated, as were upper to lower extremity flexor, extensor, and combined (F + E) ratios. Speed related differences between the derived ratios were analysed by Student's t tests (related samples). RESULTS: At the speeds tested all torque responses exhibited velocity related decrements at rates that kept flexor to extensor ratios and upper to lower extremity ratios constant (p > 0.05) for work and power. All upper extremity relative torque, work, and power flexion responses were equal to extension responses (p > 0.05) regardless of speed. Conversely, all lower extremity relative measures of torque, work, and power of flexors were significantly lower than extensor responses. In the case of both upper and lower extremities, work and power F to E ratios were unaffected by speed. Moreover, increasing speed from 30 to 180 degrees/s had no effect on upper to lower extremity work and power ratios, whether for flexion, extension, or flexion and extension combined. CONCLUSIONS: Peak torque responses may not adequately reflect tension development through an extensive range of motion. Total work produced and mean power generated, on the other hand, are highly relevant measures of performance, and these, expressed as F to E ratios, are unaffected by speeds of 30 and 180 degrees/s, whether for upper or lower extremities or for upper to lower extremities. In this sample, regardless of speed, the upper extremity produced 55% of the work and 39% of the power of the lower extremity, when flexor and extensor outputs were combined. Injured athletes are, in the early stages of function restoration, often not able to exert tension at fast speeds. An understanding of upper to lower extremity muscular work and power ratios has important implications for muscle strengthening after injury. Knowledge of normal upper to lower extremity work and power output ratios at slow to moderately fast isokinetic speeds is particularly useful in cases of bilateral upper (or lower) extremity rehabilitation, when the performance of a contralateral limb cannot be used as a yardstick.

Adult↗

PubMed2005

Lower extremity soft tissue conditions.

Lower extremity soft tissue injuries and overuse conditions are frequently encountered among athletes. Muscles are frequently strained or contused, arteries and nerves can become entrapped, and tendons and bursae can become inflamed. Familiarity with the anatomy of the involved area is essential for making the correct diagnosis. The majority of these conditions can be accurately diagnosed based on a thorough history and physical examination alone, without the need for expensive imaging or invasive tests. Most of these conditions can be successfully managed conservatively, avoiding surgical intervention.

Athletic Injuries↗

PubMed1996

Abbreviated Injury Scale does not reflect the added morbidity of multiple lower extremity fractures.

OBJECTIVES: To determine if patients with multiple lower extremity fractures have worse outcomes than do patients with isolated femur fractures, and to determine if the Abbreviated Injury Scale (AIS) should distinguish between single and multiple lower extremity fractures. DESIGN: A retrospective study. MATERIALS AND METHODS: All blunt trauma patients at least 15 years of age treated at a level 1 trauma center from January 1990 through December 1993. Three groups of patients were selected. Group 1 included 50 patients whose only significant injury was a diaphyseal femur fracture. They had no other long bone fractures, minimal injuries to other body areas, and an Injury Severity Score (ISS) < or = 14. Group 2 was consisted of 29 patients with a femur fracture, at least one other diaphyseal lower extremity fracture, and also an ISS < or = 14. Group 3 consisted of 23 patients who had fracture patterns similar to those of group 2, but also had more severe nonextremity injuries (ISS > or = 15). Hospital morbidity and mortality rates were compared with t tests or chi-square analysis. Type 1 error probability was established at p < 0.05. MEASUREMENTS AND MAIN RESULTS: Compared with patients in group 1, patients in group 2 had an identical ISS (10.1 vs. 10.6, respectively), but had higher transfusion requirements (0.3 vs. 3.9 units), more days in the intensive care unit (ICU) (0.02 vs. 1.4), a higher incidence of adult respiratory distress syndrome (ARDS) (0 vs. 14%), longer hospital stays (6.0 vs. 14.8 days), greater disability at discharge (disability score 2.2 vs. 3.2), and a higher mortality rate (0 vs. 3.4%; p < 0.05 all variables). Patients in group 3 had worse outcomes than the other two groups: ISS = 30.1; transfusions = 11.9 units; ICU days = 9.1; ARDS incidence = 26%; hospital days = 29.9; disability score = 3.9; mortality = 26% (p < 0.05). CONCLUSIONS: Although AIS and ISS appropriately reflect the impact of extraskeletal injuries in patients with femur fractures, they do not adequately reflect the increased morbidity associated with multiple lower extremity fractures. The AIS-Extremity Score may need to be upgraded for multiple long bone fractures of the lower extremities.

Abbreviated Injury Scale↗

PubMed2002

[Osteotomies in malalignments of the lower extremities].

The surgical correction of malalignments of the lower extremities is a very demanding procedure. It requires extensive knowledge of: (1) fundamental lower extremity biomechanics, (2) various diagnostic modalities, and (3) methodology for multidimensional preoperative planning. Despite advanced techniques in diagnostics and surgery, the history of the patient and a physical examination are still the first steps in the diagnostic chain. The knowledge of the method-dependent normal values, their physiological range and intra-individual differences are a prerequisite. In posttraumatic deformities, the healthy leg is a good reference for the patient's geometric orientation. As a rule, values differing by three times the standard deviation or more are good indications for an operation. These are 15 and 12 mm for the upper and lower leg, 18 and 15 mm for the whole leg and only 3 degrees mm for the mechanical leg axis measured using computer tomography and long standing x-rays, respectively. The indication for surgical correction is not only based on geometric data. The patient's functional needs, symptoms, complaints and compensation possibilities must also be taken into account. The lower extremities have to be assessed in a psychosocial context. Among the huge number of possible surgical techniques, the procedure best suited for the patient has to be selected. This requires extensive knowledge and advanced technical skills from the treating orthopaedic surgeon. In supracondylar or high tibial osteotomies for the treatment of medial arthritis of the knee joint, the patient should be informed of the long term prognosis and endoprosthetic alternatives. Today, percutaneous epiphysiodesis is a very reliable and minimally invasive surgical technique for correcting the length and axis of the lower extremity in children between 10 and 14 years. With well planned epiphysiodesis procedures, it is often possible to avoid complex osteotomies in younger patients.

Adolescent↗

PubMed2000

A cost analysis of diabetic lower-extremity ulcers.

OBJECTIVE: Our objectives were to 1) estimate the prevalence of diabetes and diabetic lower-extremity ulcers in the Medicare population, 2) characterize Medicare population-specific costs for lower-extremity ulcer episodes, and 3) evaluate potential cost savings associated with better healing of lower-extremity ulcers. RESEARCH DESIGN AND METHODS: Prevalence and costs of diabetic lower-extremity ulcers were obtained by an analysis of Medicare claims data from 1995 and 1996 Standard Analytic Files (5% sample). RESULTS: Medicare expenditures for lower-extremity ulcer patients were on average 3 times higher than those for Medicare patients in general ($15,309 vs. $5,226). Lower-extremity ulcer-related spending accounted for 24% of total spending for lower-extremity ulcer patients. Most of the ulcer-related costs accrued on the inpatient side (73.7%); proportionately smaller amounts went to physicians and nursing home facilities. To determine the potential effect of better diabetic ulcer management, a model was created that estimated the impact on costs with improved healing rates. Improving the 20-week healing rate from 31 to 40% would save Medicare $189 per episode. CONCLUSIONS: Lower-extremity ulcers cost the Medicare system $1.5 billion in 1995. Any wound care intervention that could prevent even a small percentage of wounds from progressing to the stage at which inpatient care is required may have a favorable cost effect on the Medicare system.

Aged↗

PubMed1999

Lower extremity bypass using only duplex ultrasonography: is the time now?

Imaging for lower extremity arterial bypasses continues to evolve as distal target vessels are more frequently small infragenicular arteries. For these procedures to be properly planned and executed, accurate anatomic knowledge of the lower extremity arterial system and potential venous conduits is essential. The utility of current imaging methods for planning lower extremity revascularization is examined, including the relatively recent use of duplex arterial mapping. Arteriography is a poor "gold standard" in many cases of iliac and infrainguinal arterial occlusive disease. Duplex arterial scanning can be performed successfully in patients being considered for lower extremity revascularization. Patients with isolated stenoses or short occlusions, particularly those above the inguinal ligament, may be identified in whom percutaneous endovascular therapy is appropriate, depending on their clinical presentation. Patients with more severe disease may be taken to the operating room, where the quality of the inflow is evaluated with arterial pressure measurement. If the inflow pressure is not equal to systemic pressure, arteriography with pullback pressure measurements can be performed, and the responsible lesion can be identified and appropriately treated. Once inflow obstruction has been corrected, intraoperative outflow arteriography is performed. If duplex arterial mapping does not demonstrate a distal site for bypass, arteriography should be performed, as a preoperative or intraoperative study, before considering amputation. This approach should decrease the cost and complications of lower extremity revascularization while allowing treatment planning for lower extremity vascular occlusive disease to be based on accurate anatomic and physiological data.

Angiography↗

PubMed2006

Validity of an alternative anthropometric trait as cardiovascular diseases risk factor: example from individuals with traumatic lower extremity amputation.

BACKGROUND: Published studies reveal that individuals with lower extremity amputation are vulnerable to cardiovascular diseases (CVD) because of poor physical activity level. Many cardiovascular risk assessment studies have utilized anthropometric traits (primarily body mass index and waist circumference) as cardiovascular risk factor. However, some studies emphasized the technical limitations of measuring waist circumference for studying cardiovascular risk, and so it is difficult to obtain correct measurement from the individuals with lower extremity amputation. OBJECTIVES: The objectives of the present article are to study the prevalence of CVD risk factors among the individuals with traumatic lower extremity amputation and to test the validity of upper arm circumference (UAC) as an alternative anthropometric measurement for screening the CVD risk condition. SUBJECTS AND SETTING: Anthropometric data and other cardiovascular traits data have been collected from unilateral traumatic lower extremity amputated adult males (n = 85) residing in Calcutta and adjoining areas. RESULTS: Results show higher prevalence of cardiovascular risk factor among individuals with above-knee amputation than below-knee amputation. The receiver operating characteristics curve analysis shows significant ability of upper arm circumference to diagnose cardiovascular risk condition. The cutoff value of UAC > 26.6 cm show maximum sensitivity and specificity for the diagnosis of cardiovascular risk condition. Although, binomial tests for equality of proportion does not show any significant difference, however, agreement statistics reveal better diagnostic ability of cutoff value of UAC than the existing cutoff value of waist circumference. CONCLUSIONS: Therefore, UAC provides a better assessment of cardiovascular risk condition than does waist circumference especially for individuals with lower extremity amputation. SPONSORSHIP: Indian Statistical Institute, Kolkata.

Adult↗