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1.
Surgery ; 168(5): 904-908, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32736868

RESUMO

BACKGROUND: Forefoot transmetatarsal amputation is performed commonly to achieve limb salvage, but transmetatarsal amputations have a high rate of failure, requiring more proximal amputations. Few contemporary studies have examined the incidence of major amputation (transtibial or transfemoral) after transmetatarsal amputation. The goal of this study is to determine risk factors and outcomes for a more proximal amputation after forefoot amputation. METHODS: We queried the 2012 to 2016 database of the American College of Surgeons National Quality Improvement Program for patients undergoing a complete transmetatarsal amputation with wound closure by Current Procedural Terminology code. Patients requiring early (within 30 days) more proximal amputation after transmetatarsal amputation were compared with those who did not need further amputation. Characteristics of patients requiring more proximal amputation were examined, and a multivariable logistic regression model was created to identity risk factors for early more proximal amputation. RESULTS: In the study, 1,582 transmetatarsal amputation were identified. Most patients were male (70%), white (59%), and diabetic (74%), with a median age of 63 years. More proximal amputation occurred in 4.2% of patients within the first 30 days postoperatively. This early failure was associated with greater hospital stays postoperatively (10 days vs 7 days), more wound complications (29% vs 11%), pneumonia (8% vs 2%), stroke (3% vs 0.1%), and overall complications (50% vs 28%; P ≤ .025 each). Although there was no difference in 30-day mortality (P = .27), there was a marked increase in unplanned readmission (59% vs 14%; P < .0001) for those undergoing reamputation. On multivariable analysis, preoperative systemic inflammatory response, sepsis, or septic shock (odds ratio 2.1; 95% confidence interval, 1.2-3.6) were independent predictors of more proximal amputation. CONCLUSION: Early below-knee or above-knee amputation early after transmetatarsal amputation leads to increased morbidity. Because patients with preoperative sepsis may be at increased risk of failure after transmetatarsal amputation, the level of amputation should be considered carefully in these patients.


Assuntos
Amputação/efeitos adversos , Antepé Humano/cirurgia , Adulto , Idoso , Amputação/métodos , Amputação/mortalidade , Feminino , Humanos , Modelos Logísticos , Masculino , Ossos do Metatarso/cirurgia , Pessoa de Meia-Idade , Falha de Tratamento
2.
J Rehabil Med ; 52(8): jrm00087, 2020 Aug 24.
Artigo em Inglês | MEDLINE | ID: mdl-32735019

RESUMO

OBJECTIVE: To assess long-term outcomes of amputation in patients with long-standing therapy-resistant complex regional pain syndrome type I (CRPS-I). DESIGN: Partly cross-sectional, partly longitudinal study. SUBJECTS: Patients who had amputation of a limb due to long-standing, therapy-resistant CRPS-I, at the University Medical Centre Groningen, The Netherlands, between May 2000 and September 2015 (n = 53) were invited to participate. METHODS: Participants were interviewed in a semi-structured way regarding mobility, pain, recurrence of CRPS-I, quality of life, and prosthesis use. Those who reported recurrence of CRPS-I underwent physical examination. RESULTS: A total of 47 patients (median age at time of amputation, 41.0 years; 40 women) participated. Longitudinal evaluation was possible in 17 participants. Thirty-seven participants (77%) reported an important improvement in mobility (95% confidence interval (95% CI) 63; 87%). An important reduction in pain was reported by 35 participants (73%; 95% CI 59; 83%). CRPS-I recurred in 4 of 47 participants (9%; 95% CI 3; 20%), once in the residual limb and 3 times in another limb. At the end of the study of the 35 participants fitted with a lower limb prosthesis, 24 were still using the prosthesis. Longitudinal evaluation showed no significant deteriorations. CONCLUSION: Amputation can be considered as a treatment for patients with long-standing, therapy-resistant CRPS-I. Amputation can increase mobility and reduce pain, thereby improving the quality of patients' lives. However, approximately one-quarter of participants reported deteriorations in intimacy and self-confidence after the amputation.


Assuntos
Amputação/efeitos adversos , Síndromes da Dor Regional Complexa/cirurgia , Dor/etiologia , Qualidade de Vida/psicologia , Adulto , Estudos Transversais , Feminino , Humanos , Estudos Longitudinais , Masculino , Resultado do Tratamento
3.
Eur J Vasc Endovasc Surg ; 60(5): 730-738, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32798206

RESUMO

OBJECTIVE: Every year, thousands of patients with peripheral vascular disease undergo major lower limb amputation. Despite this, evidence for optimal management is weak. Core outcome sets capture consensus on the most important outcomes for a patient group to improve the consistency and quality of research. The aim was to define short and medium term core outcome sets for studies involving patients undergoing major lower limb amputation. METHODS: A systematic review of the literature and focus groups involving patients, carers, and healthcare professionals were used to derive a list of potential outcomes. Findings informed a three round online Delphi consensus process, where outcomes were rated for both short and medium term studies. The results of the Delphi process were discussed at a face to face consensus meeting, and recommendations were made for each core outcome set. RESULTS: A systematic review revealed 45 themes to carry forward to the consensus survey. These were supplemented by a further five from focus groups. The consensus survey received responses from 123 participants in round one, and 91 individuals completed all three rounds. In the final round, nine outcomes were rated as "core" for short term studies and a further nine for medium term studies. Wound infection and healing were rated as "core" for both short and medium term studies. Outcomes related to mortality, quality of life, communication, and additional healthcare needs were also rated as "core" for short term studies. In medium term studies, outcomes related to quality of life, mobility, and social integration/independence were rated as "core". The face to face stakeholder meeting ratified inclusion of all outcomes from the Delphi and suggested that deterioration of the other leg and psychological morbidity should also be reported for both short and medium term studies. CONCLUSION: Consensus was established on 11 core outcomes for short and medium term studies. It is recommended that all future studies involving patients undergoing major lower limb amputation should report these outcomes.


Assuntos
Amputação/efeitos adversos , Técnica Delfos , Doenças Vasculares Periféricas/cirurgia , Qualidade de Vida , Projetos de Pesquisa/normas , Consenso , Humanos , Extremidade Inferior/irrigação sanguínea , Extremidade Inferior/cirurgia , Resultado do Tratamento
4.
Eur J Vasc Endovasc Surg ; 60(4): 614-621, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32800475

RESUMO

OBJECTIVE: To identify timing, incidence, and risk factors for ipsilateral re-amputation within 12 months of first dysvascular amputation and to determine specific subgroups of patients at each amputation level that are at increased risk. METHODS: A retrospective cohort study evaluating 7187 patients with first unilateral transmetatarsal (TM), transtibial (TT), or transfemoral (TF) amputation secondary to diabetes and/or peripheral artery disease (PAD) were identified in the VA Surgical Quality Improvement Program database between 2004 and 2014. Re-amputation was defined as any subsequent ipsilateral soft tissue/bony revision or amputation to a higher level. Twenty-three potential pre-operative risk factors (and nine potential interactions) were identified. A backward stepwise Cox regression was used to identify risk factors. Incidence rates and hazard ratios (HR) with 95% confidence intervals (CI) were computed. RESULTS: The median time to highest level of re-amputation in the first year was 33 (interquartile range, 13-73) days. Risk of requiring at least one re-amputation was 41% (TM), 25% (TT), and 9% (TF). Risk factors associated with requiring re-amputation included chronic obstructive pulmonary disease, elevated white blood cell count, abnormal ankle brachial index (ABI), history of revascularisation, and alcohol misuse. TM patients who had diabetes only (HR 1.9; 95% CI 1.4-2.5), diabetes with an abnormal ankle brachial index (ABI) score (HR 2.4; 95% CI 1.8-3.2), and kidney failure (HR 1.7; 95% CI 1.3-2.1) were at the greatest risk of re-amputation. TT amputees who were smokers were also at an increased risk (HR 1.4; 95% CI 1.2-1.6). CONCLUSION: This research identified important risk factors for failure of primary healing and need for re-amputation at the TM and TT level. If considering a TM amputation, caution should be exercised in patients with diabetes, in particular those with an abnormal ABI and/or renal failure. At the TT level, caution should be exercised in those who smoke.


Assuntos
Amputação , Angiopatias Diabéticas/cirurgia , Extremidade Inferior/irrigação sanguínea , Doença Arterial Periférica/cirurgia , Cicatrização , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Bases de Dados Factuais , Angiopatias Diabéticas/diagnóstico por imagem , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/diagnóstico por imagem , Reoperação , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Estados Unidos
5.
Eur J Vasc Endovasc Surg ; 60(5): 747-751, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32763119

RESUMO

OBJECTIVE: Major limb amputations are physiologically stressful and subject patients to peri-operative cardiovascular risk. Up to 90% of major lower extremity amputations (LEAMP) are being performed under general anaesthesia, despite regional anaesthesia being an acceptable option in most cases. Obtaining a better understanding of who would benefit from regional vs. general anaesthesia could reduce complications and help establish best evidence based practice. It was hypothesised that patients undergoing LEAMP with regional anaesthesia would have better post-operative outcomes than patients receiving general anaesthesia. METHODS: This retrospective cohort study used the U.S. Vascular Quality Initiative lower extremity amputation module to identify patients (≥18 years) who underwent LEAMP from 2013 to 2018. Outcomes included 30 day incidence of major adverse cardiac events (MACE) and all cause mortality. Multivariable logistic regression models were used to compute odds ratios (OR) and 95% confidence intervals (CI). Time to death was analysed using standard survival analysis. RESULTS: The final sample included 5 567 patients (median age: 65 years, 67% white, 65% male). Only 719 (13%) of patients received regional anaesthesia. Compared with patients undergoing general anaesthesia, patients in the regional group were older (67 vs. 65 years, p < .001) and more likely to have diabetes (78% vs. 69%; p < .001), end stage renal disease (26% vs. 18%; p < .001), congestive heart failure (33% vs. 27%; p < .01) and coronary artery disease (35% vs. 30%; p < .01). The overall incidence of MACE, death, and MACE or death was 5%, 6%, and 9%, respectively. There was no statistically significant difference by anaesthesia groups for MACE (OR 0.98, 95% CI 0.69-1.39) or mortality (HR 1.03, 95% CI 0.90-1.17). CONCLUSION: There was no difference in outcomes between regional or general anaesthesia techniques in patients undergoing LEAMP, despite the regional group having more comorbidities. Regional anaesthesia may be under used for high risk patients undergoing LEAMP. Further studies are needed to establish best practices in LEAMP procedures.


Assuntos
Amputação/efeitos adversos , Anestesia por Condução/efeitos adversos , Anestesia Geral/efeitos adversos , Doença Arterial Periférica/cirurgia , Complicações Pós-Operatórias/epidemiologia , Idoso , Idoso de 80 Anos ou mais , Anestesia por Condução/estatística & dados numéricos , Anestesia Geral/estatística & dados numéricos , Recuperação Pós-Cirúrgica Melhorada , Medicina Baseada em Evidências/métodos , Medicina Baseada em Evidências/estatística & dados numéricos , Feminino , Mortalidade Hospitalar , Humanos , Incidência , Estimativa de Kaplan-Meier , Extremidade Inferior/irrigação sanguínea , Extremidade Inferior/cirurgia , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/mortalidade , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/prevenção & controle , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Análise de Sobrevida , Fatores de Tempo , Resultado do Tratamento , Estados Unidos/epidemiologia
6.
J Am Acad Orthop Surg ; 28(16): 684-691, 2020 Aug 15.
Artigo em Inglês | MEDLINE | ID: mdl-32769724

RESUMO

BACKGROUND: Diabetic foot ulcers with associated infection and osteomyelitis often lead to partial or complete limb loss. Determination of the appropriate level for amputation based on the patient's baseline physical function, extent of infection, vascular patency, and comorbidities can be challenging. Although Chopart amputation preserves greater limb length than more proximal alternatives such as Syme or below-the-knee amputations (BKA), challenges with wound healing and prosthesis fitting have been reported. We aimed to investigate the functional and clinical outcomes of Chopart amputation combined with tendon transfers. METHODS: We identified patients who underwent Chopart amputations for diabetic foot infections by an academic orthopaedic group between August 2013 and September 2018. Subjects completed three Patient-Reported Outcomes Measurement Information Systems (PROMIS) instruments. Incidence of postoperative complications and change in patient-reported outcomes before and after surgery were recorded. RESULTS: Eighteen patients with an average age of 60.8 (range, 44 to 79) years were identified. The mean follow-up was 22.8 months (range, 6.7 to 51.0). Seventeen of the 18 total patients developed postoperative wound complications. These lead to revision amputations in 10 Chopart amputees, consisting of two Syme and eight BKAs. Half of the Chopart patients never received a prosthesis because of delayed wound healing and revision amputation. PROMIS physical function (PF) (31.1 pre-op and 28.6 post-op), pain interference (63.1 pre-op and 59.4 post-op), and depression (53.0 pre-op and 54.8 post-op) did not show significant change (P-values = 0.38, 0.29, 0.72, respectively). Pre- and post-op the PROMIS physical function scores were well below the US average. DISCUSSION: In our patient cohort, 94% of patients developed postoperative wound complication. Only 44% of patients ever successfully ambulated with a prosthesis after Chopart amputation, and the others (56%) required revision amputations such as a BKA. Even after wound healing, Chopart amputees may struggle with obtaining a prosthesis suitable for ambulation. Surgeons should exercise judicious patient selection before performing Chopart amputation. LEVEL OF EVIDENCE: IV, Case Series.


Assuntos
Amputação/métodos , Pé Diabético/cirurgia , Adulto , Idoso , Amputação/efeitos adversos , Pé Diabético/complicações , Feminino , Humanos , Infecções/etiologia , Masculino , Pessoa de Meia-Idade , Osteomielite/etiologia , Avaliação de Resultados da Assistência ao Paciente , Seleção de Pacientes , Complicações Pós-Operatórias/epidemiologia , Ajuste de Prótese , Transferência Tendinosa , Resultado do Tratamento , Cicatrização
7.
Cochrane Database Syst Rev ; 7: CD010525, 2020 07 21.
Artigo em Inglês | MEDLINE | ID: mdl-32692430

RESUMO

BACKGROUND: People undergoing major amputation of the lower limb are at increased risk of venous thromboembolism (VTE). Risk factors for VTE in amputees include advanced age, sedentary lifestyle, longstanding arterial disease and an identifiable hypercoagulable condition. Evidence suggests that pharmacological prophylaxis (e.g. heparin, factor Xa inhibitors, vitamin K antagonists, direct thrombin inhibitors, antiplatelets) is effective in preventing deep vein thrombosis (DVT), but is associated with an increased risk of bleeding. Mechanical prophylaxis (e.g. antiembolism stockings, intermittent pneumatic compression and foot impulse devices), on the other hand, is non-invasive and has minimal side effects. However, mechanical prophylaxis is not always appropriate for people with contraindications such as peripheral arterial disease (PAD), arteriosclerosis or bilateral lower limb amputations. It is important to determine the most effective thromboprophylaxis for people undergoing major amputation and whether this is one treatment alone or in combination with another. This is an update of the review first published in 2013. OBJECTIVES: To determine the effectiveness of thromboprophylaxis in preventing VTE in people undergoing major amputation of the lower extremity. SEARCH METHODS: The Cochrane Vascular Information Specialist searched the Cochrane Vascular Specialised Register, Cochrane Central Register of Controlled Trials, MEDLINE, Embase and Cumulative Index to Nursing and Allied Health Literature databases, the World Health Organization International Clinical Trials Registry Platform and ClinicalTrials.gov trials registers to 5 November 2019. We planned to undertake reference checking of identified trials to identify additional studies. We did not apply any language restrictions. SELECTION CRITERIA: We included randomised controlled trials and quasi-randomised controlled trials which allocated people undergoing a major unilateral or bilateral amputation (e.g. hip disarticulation, transfemoral, knee disarticulation and transtibial) of the lower extremity to different types or regimens of thromboprophylaxis (including pharmacological or mechanical prophylaxis) or placebo. DATA COLLECTION AND ANALYSIS: Two review authors independently selected studies, extracted data and assessed risk of bias. We resolved any disagreements by discussion. Outcomes of interest were VTE (DVT and pulmonary embolism (PE)), mortality, adverse events and bleeding. We used GRADE criteria to assess the certainty of the evidence. The two included studies compared different treatments, so we could not pool the data in a meta-analysis. MAIN RESULTS: We did not identify any eligible new studies for this update. Two studies with a combined total of 288 participants met the inclusion criteria for this review. Unfractionated heparin compared to low molecular weight heparin One study compared unfractionated heparin with low molecular weight heparin and found no evidence of a difference between the treatments in the prevention of DVT (odds ratio (OR) 1.23, 95% confidence interval (CI) 0.28 to 5.35; 75 participants; very low-certainty evidence). No bleeding events occurred in either group. Deaths and adverse events were not reported. This study was open-label and therefore at a high risk of performance bias. Additionally, the study did not report the method of randomisation, so the risk of selection bias was unclear. Heparin compared to placebo In the second study, there was no evidence of a benefit from heparin use in preventing PE when compared to placebo (OR 0.84, 95% CI 0.35 to 2.01; 134 participants; low-certainty evidence). Similarly, no evidence of improvement was detected when the level of amputation was considered, with a similar incidence of PE between the two treatment groups: above knee amputation (OR 0.79, 95% CI 0.31 to 1.97; 94 participants; low-certainty evidence); and below knee amputation (OR 1.53, 95% CI 0.09 to 26.43; 40 participants; low-certainty evidence). Ten participants died during the study; five underwent a post-mortem and three were found to have had a recent PE, all of whom had been on placebo (low-certainty evidence). Bleeding events were reported in less than 10% of participants in both treatment groups, but the study did not present specific data (low-certainty evidence). There were no reports of other adverse events. This study did not report the methods used to conceal allocation of treatment, so it was unclear whether selection bias occurred. However, this study appeared to be free from all other sources of bias. No study looked at mechanical prophylaxis. AUTHORS' CONCLUSIONS: We did not identify any eligible new studies for this update. As we only included two studies in this review, each comparing different interventions, there is insufficient evidence to make any conclusions regarding the most effective thromboprophylaxis regimen in people undergoing lower limb amputation. Further large-scale studies of good quality are required.


Assuntos
Amputação/efeitos adversos , Anticoagulantes/uso terapêutico , Heparina/uso terapêutico , Extremidade Inferior/cirurgia , Complicações Pós-Operatórias/prevenção & controle , Embolia Pulmonar/prevenção & controle , Tromboembolia Venosa/prevenção & controle , Amputação/métodos , Heparina de Baixo Peso Molecular/uso terapêutico , Humanos , Ensaios Clínicos Controlados Aleatórios como Assunto , Fatores de Risco , Tromboembolia Venosa/etiologia
8.
Eur J Vasc Endovasc Surg ; 60(4): 602-612, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32709465

RESUMO

OBJECTIVE: Lower extremity amputation (LEA) carries significant mortality, morbidity, and health economic burden. In the Western world, it most commonly results from complications of peripheral arterial occlusive disease (PAOD) or diabetic foot disease. The incidence of PAOD has declined in Europe, the United States, and parts of Australasia. The present study aimed to assess trends in LEA incidence in European Union (EU15+) countries for the years 1990-2017. METHODS: This was an observational study using data obtained from the 2017 Global Burden of Disease (GBD) Study. Age standardised incidence rates (ASIRs) for LEA (stratified into toe amputation, and LEA proximal to toes) were extracted from the GBD Results Tool (http://ghdx.healthdata.org/gbd-results-tool) for EU15+ countries for each of the years 1990-2017. Trends were analysed using Joinpoint regression analysis. RESULTS: Between 1990 and 2017, variable trends in the incidence of LEA were observed in EU15+ countries. For LEAs proximal to toes, increasing trends were observed in six of 19 countries and decreasing trends in nine of 19 countries, with four countries showing varying trends between sexes. For toe amputation, increasing trends were observed in eight of 19 countries and decreasing trends in eight of 19 countries for both sexes, with three countries showing varying trends between sexes. Australia had the highest ASIRs for both sexes in all LEAs at all time points, with steadily increasing trends. The USA observed the greatest reduction in all LEAs in both sexes over the time period analysed (LEAs proximal to toes: female patients -22.93%, male patients -29.76%; toe amputation: female patients -29.93%, male patients -32.67%). The greatest overall increase in incidence was observed in Australia. CONCLUSION: Variable trends in LEA incidence were observed across EU15+ countries. These trends do not reflect previously observed reductions in incidence of PAOD over the same time period.


Assuntos
Amputação/tendências , Extremidade Inferior/irrigação sanguínea , Doença Arterial Periférica/cirurgia , Padrões de Prática Médica/tendências , Distribuição por Idade , Amputação/efeitos adversos , Europa (Continente)/epidemiologia , União Europeia , Feminino , Disparidades em Assistência à Saúde/tendências , Humanos , Incidência , Masculino , Doença Arterial Periférica/diagnóstico por imagem , Doença Arterial Periférica/epidemiologia , Fatores de Risco , Distribuição por Sexo , Fatores de Tempo , Resultado do Tratamento
9.
Eur J Vasc Endovasc Surg ; 60(2): 231-241, 2020 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-32709468

RESUMO

OBJECTIVE: The aim of this systematic review and meta-analysis was to assess the clinical outcomes after revascularisation in octogenarians with chronic limb threatening ischaemia (CLTI). METHODS: This was a systematic review and meta-analysis, in which the Medline, Embase, and Cochrane Library databases were searched systematically by two independent researchers. Meta-analyses were performed to analyse one year mortality, one year major amputation, and one year amputation free survival (AFS) after revascularisation. Pooled outcome estimates were reported as percentages and odds ratio (OR) with 95% confidence intervals (CI). In addition, sensitivity and subgroup analyses were performed and the quality of evidence was determined according to the GRADE system. RESULTS: The review includes 21 observational studies with patients who were treated for CLTI. Meta-analysis of 12 studies with a total of 17 118 patients was performed. A mortality rate of 32% was found in octogenarians (95% CI 27-37%), which was significantly higher than in the non-octogenarians (17%, 95% CI 11-22%/OR 2.52, 95% CI 1.93-3.29; GRADE: "low"). No significant difference in amputation rate was found (octogenarians 15%, 95% CI 11-18%; non-octogenarians 12%, 95% CI 7-14%; GRADE: "very low"). AFS was significantly lower in the octogenarian group (OR 1.55, 95% CI 1.03-2.43; GRADE: "very low"). In a subgroup analysis differentiating between endovascular and surgical revascularisation, amputation rates were comparable. For octogenarians, those treated conservatively had a mortality rate significantly higher than those treated by revascularisation (OR 1.76, 95% CI 1.19-2.60; GRADE: "very low"). No significant difference in mortality rate was found between primary amputation and revascularisation in octogenarians (OR 0.70, 95% CI 0.24-2.03; GRADE: "very low"). CONCLUSION: In octogenarians with CLTI, a substantial one year mortality rate of 32% was found after revascularisation. The amputation rates were comparable between both age groups. However, only low quality evidence could be obtained supporting the results of this meta-analysis because only observational studies were available for inclusion.


Assuntos
Amputação/mortalidade , Isquemia/cirurgia , Doença Arterial Periférica/cirurgia , Procedimentos Cirúrgicos Vasculares/mortalidade , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Doença Crônica , Feminino , Humanos , Isquemia/diagnóstico por imagem , Isquemia/mortalidade , Masculino , Estudos Observacionais como Assunto , Doença Arterial Periférica/diagnóstico por imagem , Doença Arterial Periférica/mortalidade , Intervalo Livre de Progressão , Medição de Risco , Fatores de Risco , Fatores de Tempo , Procedimentos Cirúrgicos Vasculares/efeitos adversos
10.
Ann Vasc Surg ; 69: 298-306, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32505677

RESUMO

BACKGROUND: Patients with critical limb ischemia (CLI) who undergo major lower extremity amputation (LEA) have been associated with high one-year mortality rates. Previous western-based studies have identified risk factors that exponentiate these poor outcomes, including nonambulatory status and cardiovascular morbidity. We assessed the effect of frailty, using the modified frailty index (mFI) in a cohort undergoing major LEA for CLI to predict mortality, perioperative complications, and unplanned readmissions in a tertiary institution from Singapore. METHODS: Data on patients who had undergone major LEA from January 2016 to December 2017 were collected retrospectively. Inclusion criteria were below-knee amputations (BKAs) or above-knee amputations (AKAs) performed for peripheral arterial disease-related tissue loss or sepsis only. Patients were categorized into 3 risk groups based on the 11-variable mFI: low mFI, 0-0.27; moderate mFI, 0.36-0.54; and high mFI ≥0.63. Univariate and multivariate analysis was performed using logistic regression analysis. RESULTS: 211 patients underwent major LEA, of whom 133 (63.0%) had undergone BKA. The mean mFI was 0.41 (range 0-0.81). 84/211 (39.8%) died within 1 year after the procedure, with mortality rates of 25/65 (38.4%), 49/127 (38.6%), and 10/19 (52.6%) in the low-, moderate-, high-mFI categories, respectively. High and moderate mFI had failed to demonstrate an increased risk of mortality when compared with the low-mFI group (P > 0.05). 91/211 (43.1%) patients had perioperative complications, whereas 27/211 (12.8%) patients were readmitted within 30 days of discharge. Myocardial infarction, chronic kidney disease, and atrial fibrillation were found to be predictive of poor outcomes after major LEA. CONCLUSIONS: Frailty as measured with the mFI did not predict outcome after major LEA. This could be due to confounding effects such as high prevalence of renal dysfunction and the constancy of diabetes and peripheral vascular disease in this population that would reduce the differentiation of patients using the mFI.


Assuntos
Amputação/mortalidade , Grupo com Ancestrais do Continente Asiático , Fragilidade/diagnóstico , Avaliação Geriátrica , Isquemia/cirurgia , Extremidade Inferior/irrigação sanguínea , Doença Arterial Periférica/cirurgia , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Estado Terminal , Feminino , Idoso Fragilizado , Fragilidade/etnologia , Fragilidade/mortalidade , Humanos , Isquemia/diagnóstico , Isquemia/etnologia , Isquemia/mortalidade , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/diagnóstico , Doença Arterial Periférica/etnologia , Doença Arterial Periférica/mortalidade , Valor Preditivo dos Testes , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Singapura , Fatores de Tempo , Resultado do Tratamento
11.
Ann Vasc Surg ; 69: 292-297, 2020 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-32474142

RESUMO

BACKGROUND: Transtibial amputations (TTAs) of the leg have been associated with high rates of wound complications. We assessed outcomes of TTAs to determine if bundled interventions implemented at our hospital had an impact on lowering wound complications, including surgical site infections. METHODS: We assessed the impact of a surgical site infection prevention bundle (negative-pressure wound therapy, minimizing the use of staples, and a decontamination protocol for methicillin-resistant Staphylococcus aureus) on 90-day wound complications. The year of implementation of the prevention bundle was excluded, and the pre-eras and posteras were defined as the four-year period before and after implementation. The study sample consisted of a single-center cohort, with TTA cases identified using operating room scheduling software. RESULTS: A total of 182 TTAs were performed: 110 in the pre-era and 72 in the postera. The wound complication rate decreased from 22 to 17% despite fewer two-stage operations, less imaging to identify peripheral artery disease, and an increased proportion of patients with end-stage renal disease. Wound complications and revision to a higher level of amputation were more associated with indication (especially no-option peripheral artery disease with ischemic rest pains) than with any particular aspect of surgical technique. The use of drains was associated with reoperations but not higher level revision. CONCLUSIONS: Higher rates of wound complications and revision to a higher level of amputations should be expected among patients with no-option peripheral artery disease with ischemic rest pains undergoing TTAs. Drains should be avoided.


Assuntos
Amputação/efeitos adversos , Claudicação Intermitente/cirurgia , Isquemia/cirurgia , Perna (Membro)/irrigação sanguínea , Pacotes de Assistência ao Paciente , Doença Arterial Periférica/cirurgia , Infecção da Ferida Cirúrgica/cirurgia , Tíbia/cirurgia , Idoso , Feminino , Humanos , Claudicação Intermitente/diagnóstico , Claudicação Intermitente/fisiopatologia , Isquemia/diagnóstico , Isquemia/fisiopatologia , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/diagnóstico , Doença Arterial Periférica/fisiopatologia , Fluxo Sanguíneo Regional , Reoperação , Estudos Retrospectivos , Fatores de Risco , Infecção da Ferida Cirúrgica/diagnóstico , Infecção da Ferida Cirúrgica/microbiologia , Fatores de Tempo , Resultado do Tratamento , Cicatrização
12.
Diab Vasc Dis Res ; 17(3): 1479164120928868, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32538155

RESUMO

PURPOSE OF STUDY: To investigate toe systolic blood pressure and/or toe-brachial pressure index in predicting healing post minor diabetic foot amputations. KEY METHODS: A systematic search of EMBASE and PubMed (including Medline and The Cochrane Library) was conducted from database inception to 9 March 2020. Two authors independently reviewed and selected relevant studies. Quality was assessed with a modified Critical Appraisal Skill Programme checklist. MAIN RESULTS: Ten studies met the inclusion criteria. Nine studies investigating toe systolic blood pressure reported healing occurred at mean toe systolic blood pressure values ⩾30 mmHg, ranging between 30 and 83.6 mmHg. The meta-analysis (four studies) found toe systolic blood pressure <30 mmHg had 2.09 times the relative risk of non-healing post amputation, compared to toe systolic blood pressure ⩾30 mmHg (relative risk = 2.09, 95% confidence interval: 1.37-3.20, p = 0.001). Two studies investigating toe-brachial pressure index report successful healing where toe-brachial pressure index >0.2, with one study reporting a higher value of 0.8. MAIN CONCLUSIONS: Successful post-amputation healing outcomes were reported at mean toe systolic blood pressure ⩾30 mmHg, and the results varied considerably between the studies. Further research should identify whether variables, including amputation level, method of wound closure and length of post-operative follow-up periods, affect the values of toe systolic blood pressure and toe-brachial pressure index observed in this review.


Assuntos
Amputação , Índice Tornozelo-Braço , Pressão Sanguínea , Pé Diabético/cirurgia , Dedos do Pé/irrigação sanguínea , Dedos do Pé/cirurgia , Cicatrização , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Pé Diabético/diagnóstico , Pé Diabético/fisiopatologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Valor Preditivo dos Testes , Fluxo Sanguíneo Regional , Fatores de Risco , Resultado do Tratamento
13.
Cardiovasc Diabetol ; 19(1): 63, 2020 05 13.
Artigo em Inglês | MEDLINE | ID: mdl-32404168

RESUMO

BACKGROUND: Evidence of adverse clinical outcomes for non-vitamin K antagonist oral anticoagulant (NOACs) and warfarin in patients with atrial fibrillation (AF) and diabetes mellitus are limited. We investigated the effectiveness, safety, and major adverse limb events for NOACs versus warfarin among diabetic AF patients. METHODS: In this nationwide retrospective cohort study collected from Taiwan National Health Insurance Research Database, we identified a total of 20,967 and 5812 consecutive AF patients with diabetes taking NOACs and warfarin from June 1, 2012, to December 31, 2017, respectively. We used propensity-score stabilized weighting to balance covariates across study groups. RESULTS: NOAC was associated with a lower risk of major adverse cardiovascular events (MACE) (adjusted hazard ratio (aHR):0.88; [95% confidential interval (CI) 0.78-0.99]; P = 0.0283), major adverse limb events (MALE) (aHR:0.72;[95% CI 0.57-0.92]; P = 0.0083), and major bleeding (aHR:0.67;[95% CI 0.59-0.76]; P < 0.0001) compared to warfarin. NOACs decreased MACE in patients of ≥ 75 but not in those aged < 75 years (P interaction = 0.01), and in patients with ischemic heart disease (IHD) compared to those without IHD (P interaction < 0.01). For major adverse limb events, the advantage of risk reduction for NOAC over warfarin persisted in high risk subgroups including age ≥ 75 years, chronic kidney disease, IHD, peripheral artery disease, or use of concomitant antiplatelet drugs. CONCLUSION: Among diabetic AF patients, NOACs were associated with a lower risk of thromboembolism, major bleeding, and major adverse limb events than warfarin. Thromboprophylaxis with NOACs should be considered in the diabetic AF population with a high atherosclerotic burden.


Assuntos
Amputação , Anticoagulantes/administração & dosagem , Fibrilação Atrial/tratamento farmacológico , Diabetes Mellitus/epidemiologia , Inibidores do Fator Xa/administração & dosagem , Extremidade Inferior/irrigação sanguínea , Doença Arterial Periférica/terapia , Procedimentos Cirúrgicos Vasculares , Varfarina/administração & dosagem , Administração Oral , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Anticoagulantes/efeitos adversos , Fibrilação Atrial/diagnóstico , Fibrilação Atrial/epidemiologia , Bases de Dados Factuais , Diabetes Mellitus/diagnóstico , Inibidores do Fator Xa/efeitos adversos , Feminino , Hemorragia/induzido quimicamente , Humanos , Masculino , Pessoa de Meia-Idade , Segurança do Paciente , Doença Arterial Periférica/diagnóstico , Doença Arterial Periférica/epidemiologia , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Taiwan/epidemiologia , Fatores de Tempo , Resultado do Tratamento , Procedimentos Cirúrgicos Vasculares/efeitos adversos , Varfarina/efeitos adversos
14.
J Endovasc Ther ; 27(4): 540-546, 2020 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-32469294

RESUMO

Despite recent guideline updates on peripheral artery disease (PAD) and critical limb ischemia (CLI) treatment, the optimal treatment for CLI is still being debated. As a result, care is inconsistent, with many CLI patients undergoing an amputation prior to what many consider to be mandatory: consultation with an interdisciplinary specialty care team and a comprehensive imaging assessment. More importantly, quality imaging is critical in CLI patients with below-the-knee disease. Therefore, the CLI Global Society has put forth an interdisciplinary expert recommendation for superselective digital subtraction angiography (DSA) that includes the ankle and foot in properly indicated CLI patients to optimize limb salvage. A recommended imaging algorithm for CLI patients is included.


Assuntos
Amputação/normas , Angiografia Digital/normas , Isquemia/diagnóstico por imagem , Isquemia/cirurgia , Salvamento de Membro/normas , Doença Arterial Periférica/diagnóstico por imagem , Doença Arterial Periférica/cirurgia , Algoritmos , Amputação/efeitos adversos , Tomada de Decisão Clínica , Consenso , Estado Terminal , Técnicas de Apoio para a Decisão , Humanos , Isquemia/epidemiologia , Salvamento de Membro/efeitos adversos , Seleção de Pacientes , Doença Arterial Periférica/epidemiologia , Valor Preditivo dos Testes , Resultado do Tratamento
15.
Ann Vasc Surg ; 68: 201-208, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32439531

RESUMO

BACKGROUND: The need for major amputations in patients with vascular malformations is rare. This study reviews our contemporary experience with major amputations in patients with vascular malformations. METHODS: A retrospective review from April 2014 to November 2018 identified 993 patients undergoing management of a vascular malformation involving the upper or lower extremity at a tertiary center. This population was analyzed to identify those requiring either a transfemoral or transhumeral amputation. This cohort was investigated for clinical course, surgical procedures, and outcomes. RESULTS: Five patients (0.5%) underwent major amputation, including 3 transhumeral and 2 above-knee amputations. The median age was 37.8 years (interquartile range (IQR): 25.4-40.2), and 2 (40%) were male. Four (80%) patients had high-flow arteriovenous malformations, including 1 (20%) with Parkes-Weber syndrome. One (20%) patient had a low-flow venous malformation associated with Klippel-Trénaunay syndrome. All patients had malformation extending into the chest or pelvis, with the amputation being at the level of residual malformation. As such, amputation had been initially felt to be high risk because of the proximal extent of the lesions. Before amputation, a median of 11 procedures (IQR: 4-39) were performed per patient. This included 29 transarterial embolizations, 4 transvenous embolizations, 20 direct stick embolizations, 3 debulking procedures, 38 debridements, 6 skin grafts or muscle flaps, and 4 minor amputations. The median time course of treatment before amputation was 117 months (IQR: 44-171). Indications for major amputation included chronic pain and recurrent bleeding in all 5 (100%) patients, loss of function in 2 (40%), nonhealing wounds in 2 (40%), and sepsis in 1 (20%) patient. There were no perioperative deaths. The median blood loss was 1,000 mL (IQR: 650-2,750). All patients required transfusion of packed red blood cells with a mean of 1.6 units (standard deviation: 0.54). Transhumeral amputation was facilitated by transcatheter embolization in 1 (33%) and an occlusion balloon within the subclavian artery in 2 (66%) patients. The median length of stay was 6 days (IQR: 5-13). The median length of follow-up was 132 months (IQR: 68-186) from initial intervention and 12 months (IQR: 8-31) from amputation. Two patients (40%) who had undergone transhumeral amputation required revision of the amputation site for recurrent ulceration at 2 and 38 months. Of these, 1 patient underwent 3 transcatheter embolization procedures before revision and 1 underwent 1 embolization after revision. CONCLUSIONS: Although rare, successful amputation at the level of residual malformation can be performed in select patients with refractory complications of vascular malformations including intractable pain, bleeding, or nonhealing wounds. Specific preoperative and intraoperative measures may be critical to achieve satisfactory outcomes, and endovascular techniques continue to play a role after amputation.


Assuntos
Amputação , Extremidade Inferior/irrigação sanguínea , Extremidade Superior/irrigação sanguínea , Malformações Vasculares/cirurgia , Adulto , Amputação/efeitos adversos , Feminino , Humanos , Salvamento de Membro , Masculino , Complicações Pós-Operatórias/etiologia , Estudos Retrospectivos , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Malformações Vasculares/complicações , Malformações Vasculares/diagnóstico por imagem , Malformações Vasculares/fisiopatologia , Cicatrização
16.
Eur J Vasc Endovasc Surg ; 60(2): 301-308, 2020 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-32336620

RESUMO

OBJECTIVE: To compare outcomes between long posterior flap (LPF) and skew flap (SF) amputation over a 13 year period. METHODS: This was a retrospective observational cohort study. Consecutive patients undergoing a LPF or SF below knee amputation (BKA) over a 13 year period at one hospital were identified. Both techniques were performed regularly, depending on tissue loss and surgeon preference. The primary outcome was surgical revision of any kind. Secondary outcomes included revision to above knee amputation (AKA), length of hospital stay (LOS), and mortality. A smaller cohort of patients who were alive and unilateral below knee amputees were contacted to ascertain prosthetic use and functional status. RESULTS: In total, 242 BKAs were performed in 212 patients (125 LPF and 117 SF; median follow up 25.8 months). Outcomes for the two groups were equivalent for surgical revision of any kind (27 LPF vs. 31 SF; p = .37), revision to an AKA (18 LPF vs. 14 SF; p = .58), LOS (29 days for LPF vs. 28 days for SF; p = .83), and median survival (23.9 months for LPF vs. 28.8 months for SF; p = .89). Multivariable analysis found amputation type had no effect on any outcome. Functional scores from a smaller cohort of 40 unilateral amputees who were contactable demonstrated improved outcomes with the LPF vs. the SF (p = .038). CONCLUSION: Both techniques appear equivalent for rates of surgical residual limb failure. Functional outcomes may be better with the LPF.


Assuntos
Amputação , Perna (Membro)/cirurgia , Retalhos Cirúrgicos , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Amputação/mortalidade , Membros Artificiais , Feminino , Humanos , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Ajuste de Prótese , Recuperação de Função Fisiológica , Reoperação , Estudos Retrospectivos , Fatores de Risco , Retalhos Cirúrgicos/efeitos adversos , Fatores de Tempo , Resultado do Tratamento
17.
J Vasc Surg ; 72(1): 189-197, 2020 07.
Artigo em Inglês | MEDLINE | ID: mdl-32247701

RESUMO

OBJECTIVE: Traumatic popliteal artery injury is associated with an increased propensity for limb loss, morbidity, and mortality above an already elevated baseline risk to life and limb. Previous studies of outcomes in this patient group have been limited by selection bias. This study analyzed outcomes after blunt popliteal artery injury using propensity matching to reduce confounding variables associated with multiple mechanisms of traumatic vascular injury and to identify factors associated with amputation. METHODS: A retrospective review was conducted of prospectively collected data from the National Trauma Data Bank. Patients were identified using International Classification of Diseases, Ninth Revision codes related to patterns of blunt injury associated with popliteal arterial injury or intervention. Using Trauma Quality Improvement Program variables as a reference, specific characteristics were collected. Variables found significant on univariate analysis were used to generate propensity-matched amputation and nonamputation cohorts. Multivariate logistic regression was used to assess for risk factors associated with amputation and inpatient mortality. RESULTS: In total, 3029 patients with blunt popliteal artery injury were identified; 628 (20.7%) underwent amputation. Patients who underwent amputation presented with more frequent hypotension (systolic blood pressure of 0-99 mm Hg, 22.7% vs 12.8%; P < .001) and tachycardia (heart rate >120 beats/min, 28.5% vs 14.5%; P < .001). Limb loss was also associated with concurrent popliteal vein injury (18.3% vs 8.7%; P < .001) and tibial nerve injury (5.3% vs 1.3%; P < .001) as well as with elevated Injury Severity Score (median, 13 vs 9; P < .001) and lower extremity Abbreviated Injury Scale score (3 vs 2; P < .001). Subsequently, 794 patients were divided into equal number propensity-matched amputation and nonamputation cohorts. Regression analysis revealed that patients with diabetes mellitus (odds ratio [OR], 1.763; P = .049), popliteal vein injury (OR, 1.657; P = .012), or tibial nerve injury (OR, 3.537; P = .007) were more likely to undergo amputation. Further regression analysis with patients matched for Injury Severity Score revealed that age ≥86 years (OR, 38.092; P = .009), patellar fracture (OR, 3.445; P = .036), and elevated Abbreviated Injury Scale score (OR, 1.101; P < .001) were associated with higher risk of inpatient death. CONCLUSIONS: Trauma patients who sustain blunt popliteal artery injury are at an increased risk of amputation. Propensity-matched analysis revealed that concurrent popliteal vein and tibial nerve injury but not severity of tissue injury predicted limb loss.


Assuntos
Amputação , Artéria Poplítea/cirurgia , Lesões do Sistema Vascular/cirurgia , Ferimentos não Penetrantes/cirurgia , Adulto , Amputação/efeitos adversos , Amputação/mortalidade , Bases de Dados Factuais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Artéria Poplítea/diagnóstico por imagem , Artéria Poplítea/lesões , Pontuação de Propensão , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Estados Unidos , Lesões do Sistema Vascular/diagnóstico por imagem , Lesões do Sistema Vascular/mortalidade , Ferimentos não Penetrantes/diagnóstico por imagem , Ferimentos não Penetrantes/mortalidade , Adulto Jovem
18.
Medicine (Baltimore) ; 99(16): e19819, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32312002

RESUMO

RATIONALE: Phantom limb pain (PLP) refers to a common complication following amputation, which is characterized by intractable pain in the absent limb, phantom limb sensation, and stump pain. The definitive pathogenesis of PLP has not been fully understood, and the treatment of PLP is still a great challenge. Till now, ozone injection has never been reported for the treatment of PLP. PATIENT CONCERNS: We report 3 cases: a 68-year-old man, a 48-year-old woman, and a 46-year-old man. All of them had an amputation history and presented with stump pain, phantom limb sensation, and sharp pain in the phantom limb. Oral analgesics and local blocking in stump provided no benefits. DIAGNOSIS: They were diagnosed with PLP. INTERVENTIONS: We performed selective nerve root ozone injection combined with ozone injection in the stump tenderness points. OUTCOMES: There were no adverse effects. Postoperative, PLP, and stump pain were significantly improved. During the follow-up period, the pain was well controlled. LESSONS: Selective nerve root injection of ozone is safe and the outcomes were favorable. Ozone injection may be a new promising approach for treating PLP.


Assuntos
Cotos de Amputação/inervação , Amputação/efeitos adversos , Ozônio/administração & dosagem , Dor Intratável/terapia , Membro Fantasma/complicações , Idoso , Cotos de Amputação/fisiopatologia , Feminino , Humanos , Injeções/métodos , Masculino , Pessoa de Meia-Idade , Ozônio/uso terapêutico , Dor Intratável/etiologia , Membro Fantasma/fisiopatologia , Raízes Nervosas Espinhais/efeitos dos fármacos , Resultado do Tratamento
19.
Ann Vasc Surg ; 68: 384-390, 2020 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-32278873

RESUMO

BACKGROUND: In the context of chronic limb-threatening ischemia, the prognostic impact of angiosome-targeted revascularization and of the status of the pedal arch are debated. METHODS: This series includes 580 patients who underwent endovascular (n = 407) and surgical revascularization (n = 173) of the infrapopliteal arteries for chronic limb-threatening ischemia associated with foot ulcer or gangrene. The risk of major amputation after infrapopliteal revascularization was assessed by a competing risk approach. A subanalysis was made separately for patients who underwent endovascular or open surgical revascularization. RESULTS: At 2 years, survival was 65.1% and leg salvage was 76.1%. Multivariable competing risk analysis showed that C-reactive protein ≥10 mg/dL, diabetes, rheumatoid arthritis, increased number of affected angiosomes, and the incomplete or total absence of pedal arch compared with complete pedal arch (CPA) were independent predictors of major amputation after infrapopliteal revascularization. Multivariable analysis showed increasing risk estimates of major amputation in patients with incomplete (subdistribution hazard ratio [SHR], 2.131; 95% confidence interval [95% CI], 1.282-3.543) and no visualized pedal arch (SHR, 3.022; 95% CI, 1.553-5.883) compared with CPA. Pedal arch was important even if angiosome-targeted revascularization was achieved: Angiosome-directed revascularization in presence of CPA had a lower risk of major amputation (adjusted SHR, 0.463; 95% CI, 0.240-0.894) compared with angiosome-directed revascularization without CPA. In the subanalysis, among patients who underwent endovascular revascularization, CPA (SHR, 0.509; 95% CI, 0.286-0.905) and angiosome-targeted revascularization (SHR, 0.613; 95% CI, 0.394-0.956) were associated with a lower risk of major amputation. CONCLUSIONS: Competing risk analysis showed that a patent pedal arch had significant impact on leg salvage and that the subset of patients undergoing endovascular procedure may most benefit of an angiosome-targeted revascularization.


Assuntos
Amputação , Procedimentos Endovasculares/efeitos adversos , Úlcera do Pé/cirurgia , Pé/irrigação sanguínea , Isquemia/cirurgia , Doença Arterial Periférica/cirurgia , Procedimentos Cirúrgicos Vasculares/efeitos adversos , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Amputação/mortalidade , Doença Crônica , Procedimentos Endovasculares/mortalidade , Feminino , Úlcera do Pé/diagnóstico por imagem , Úlcera do Pé/mortalidade , Úlcera do Pé/fisiopatologia , Gangrena , Humanos , Isquemia/diagnóstico por imagem , Isquemia/mortalidade , Isquemia/fisiopatologia , Salvamento de Membro , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/diagnóstico por imagem , Doença Arterial Periférica/mortalidade , Doença Arterial Periférica/fisiopatologia , Sistema de Registros , Estudos Retrospectivos , Medição de Risco , Fatores de Risco , Fatores de Tempo , Resultado do Tratamento , Grau de Desobstrução Vascular , Procedimentos Cirúrgicos Vasculares/mortalidade
20.
Ann Vasc Surg ; 67: 403-410, 2020 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-32205236

RESUMO

BACKGROUND: Despite improved revascularization options, many patients with chronic limb-threatening ischemia (CLI) require lower limb amputation. Duplex ultrasound (DUS) is recommended as first-choice imaging technique in CLI. However, the prognostic utility of DUS for planning lower limb amputations has never been described before. This study aims to evaluate if DUS and findings from physical examination could be used to help predict the best level of lower limb amputation in patients with CLI. METHODS: A retrospective cohort of 124 patients with CLI and a lower limb amputation was analyzed. Outcome measurements were reoperation, revision, and conversion rates, which were related to findings from physical examination and DUS examinations. RESULTS: Thirty-nine reoperations were performed, of which 17 stump revisions and 22 conversions were from below- to above-knee amputation. There was a discrepancy in findings of physical examination and DUS of 25% and 64% of femoral and popliteal pulsations respectively. Conversion rates increased with a more proximal occlusion on DUS. All patients with a vascular occlusion in the aortoiliac trajectory or deep femoral artery required a higher amputation level. CONCLUSIONS: Physical examination seems to be unreliable, and therefore should not be used to assess the optimal level of lower extremity amputation. Performing a primary above-knee amputation in patients with vascular occlusion in the aortoiliac trajectory or deep femoral artery could significantly reduce reoperation rates.


Assuntos
Amputação , Isquemia/cirurgia , Extremidade Inferior/irrigação sanguínea , Doença Arterial Periférica/cirurgia , Ultrassonografia Doppler Dupla , Idoso , Idoso de 80 Anos ou mais , Amputação/efeitos adversos , Doença Crônica , Feminino , Humanos , Isquemia/diagnóstico por imagem , Isquemia/fisiopatologia , Masculino , Pessoa de Meia-Idade , Doença Arterial Periférica/diagnóstico por imagem , Doença Arterial Periférica/fisiopatologia , Exame Físico , Complicações Pós-Operatórias/cirurgia , Valor Preditivo dos Testes , Reoperação , Reprodutibilidade dos Testes , Estudos Retrospectivos , Fatores de Tempo , Resultado do Tratamento
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