A mortality prediction model for elderly patients with critical limb ischemia.

OBJECTIVE: To aid physicians in the process of shared decision-making, many predictive models for critical limb ischemia (CLI) have been constructed. However, none of these models is in widespread use. Predicting survival outcomes for a specific individual may be used to guide treatment selection. The aim of this study was to construct a 6-month survival-predicting model representative of elderly patients with CLI undergoing surgical or endovascular treatment. METHODS: An observational cohort study including all patients with CLI aged ≥65 years who underwent surgical or endovascular treatment of CLI between January 2013 and June 2018 was conducted. The model to predict survival at 6 months was based on a multivariable Cox proportional hazards regression model and a penalized likelihood method. The performance of the model was judged by means of the area under the receiver operating characteristic curve. RESULTS: In total, 449 patients were included in the study population. The median age was 76 years (range, 65-97 years), and 52.8% of the population was male. Surgical treatment was performed in 303 patients (67.5%), and 146 underwent endovascular treatment (32.5%). The estimated 30-day survival was 92.7% (standard error [SE], 1.2%); 6-month survival, 80% (SE, 1.9%); and 12-month survival, 71% (SE, 2.1%). Variables with the strongest association with 6-month mortality were age, living in a nursing home, physical impairment, and American Society of Anesthesiologists class. The area under the receiver operating characteristic curve of the 6-month mortality model was 0.81 (95% confidence interval, 0.76-0.85; P < .001). CONCLUSIONS: A prediction model constructed for 6-month mortality of elderly patients undergoing surgical or endovascular treatment of CLI showed that age, living in a nursing home, physical impairment, and American Society of Anesthesiologists class have the highest association with an increase in mortality. These factors may be used to identify patients at risk for mortality in shared decision-making.

Incidence and Risk Factors for Delirium in Elderly Patients with Critical Limb Ischaemia.

OBJECTIVE: Delirium is associated with adverse outcomes, such as increased mortality and prolonged hospital stay. Information on the risk factors for delirium in elderly patients with critical limb ischaemia (CLI) is scarce. The aim of this study was to analyse the incidence of delirium and to identify risk factors for delirium in elderly patients undergoing surgical or endovascular treatment. METHODS: A retrospective cohort study was conducted including patients aged ≥ 65 years undergoing surgical or endovascular treatment for CLI between January 2013 and June 2018. Delirium was scored using the DOSS (Delirium Observation Screening Scale) and the Diagnostic and Statistical Manual of Mental Disorders (DSM-V) criteria. Risk factors for delirium were analysed using logistic regression. The discriminative ability of the model was calculated using the area under the receiver operating characteristics (AUROC) curve. RESULTS: In total, 392 patients were included, of which 70 (17.9%) developed delirium. Factors associated with an increased risk of delirium were: age, odds ratio (OR) 1.05 (95% confidence interval (CI) 1.0-1.1), history of femoral endarterectomy, OR 4.7 (95% CI 1.5-15), physical impairment, OR 2.2 (95% CI 1.1-4.5), history of delirium, OR 2.7 (95% CI 1.4-5.3), general anaesthesia, OR 2.6 (95% CI 1.2-5.7) and pre-operative anaemia, OR 5.9 (95% CI 2.3-15). The AUROC was .82 (95% CI 0.76-0.87, p < .001). Delirium was associated with more respiratory, renal and surgical complications, as well as a prolonged hospital stay and a more frequent discharge to a nursing home. CONCLUSION: Delirium occurs frequently in patients with critical limb ischaemia undergoing any type of invasive treatment. This study identified multiple risk factors for delirium that may be helpful to delineate patients susceptible to its development.

Impact of the COVID-19 Lockdown Strategy on Vascular Surgery Practice: More Major Amputations than Usual.

BACKGROUND: The aim of this study is to investigate the impact of the coronavirus disease 2019 (COVID-19) lockdown period on the number and type of vascular procedures performed in the operating theater. METHODS: A total of 38 patients who underwent 46 vascular procedures during the lockdown period of March 16th until April 30th, 2020, were included. The control groups consisted of 29 patients in 2019 and 54 patients in 2018 who underwent 36 and 66 vascular procedures, respectively, in the same time period. Data were analyzed using SPSS Statistics. RESULTS: Our study shows that the lockdown during the COVID-19 pandemic resulted in a significant increase in the number of major amputations (42% in 2020 vs. 18% and 15% in 2019 and 2020, respectively; P-value 0.019). Furthermore, we observed a statistically significant difference in the degree of tissue loss as categorized by the Rutherford classification (P-value 0.007). During the lockdown period, patients presented with more extensive ischemic damage when than previous years. We observed no difference in vascular surgical care for patients with an aortic aneurysm. CONCLUSIONS: Measurements taken during the lockdown period have a significant effect on non-COVID-19 vascular patient care, which leads to an increased severe morbidity. In the future, policy makers should be aware of the impact of their measurements on vulnerable patient groups such as those with peripheral arterial occlusive disease. For these patients, medical care should be easily accessible and adequate.

Video-assisted thoracic lobectomy versus stereotactic body radiotherapy for stage I nonsmall cell lung cancer in elderly patients: a propensity matched comparative analysis.

Comparative studies of the overall survival (OS) in elderly patients with nonsmall cell lung cancer (NSCLC) after surgery or stereotactic body radiotherapy (SBRT) have been limited by mixed extents of resection and different surgical approaches.792 patients aged ≥65 years with clinical stage I NSCLC underwent video-assisted thoracic surgery (VATS) lobectomy or SBRT between 2010 and 2015. The propensity score-matched primary analysis included data from the full cohort; the secondary analysis included data from a subgroup of patients with data on pulmonary function.Median OS for unmatched patients was 77 months for patients undergoing VATS lobectomy and 38 months for SBRT. The 1-, 3- and 5-year OS rates after VATS lobectomy were 92%, 76% and 65%, and after SBRT were 90%, 52% and 29% (p<0.001). Median OS for matched patients in the primary analysis was 77 months for patients undergoing VATS lobectomy and 33 months for SBRT. The 1-, 3- and 5-year OS rates after VATS lobectomy were 91%, 68% and 58%, and after SBRT were 87%, 46% and 29% (p<0.001). The survival advantage with VATS lobectomy persisted in the secondary analysis after adjusting for non-matched variables (p=0.034).We suggest that elderly patients with stage I NSCLC undergoing VATS lobectomy have a better rate of OS than patients undergoing SBRT, irrespective of matching. This could be clinically important in decision-making for elderly patients who can tolerate surgery.

Quality of Life and not Health Status Improves After Major Amputation in the Elderly Critical Limb Ischaemia Patient.

OBJECTIVES: A patient-oriented appraisal of treatment has become extremely important, particularly in elderly patients with critical limb ischaemia (CLI). Quality of life (QoL) is an important patient-reported outcome in vascular surgery. Frequently, the physical domain of QoL questionnaires represents an 'objective' evaluation of performing activities, which is expected to be impaired after major limb amputation. However, an objective appraisal of physical function is an assessment of health status (HS) and not of QoL. Little is known about the subjective appraisal of physical health (QoL). The goal of this study was to evaluate, prospectively, QoL in relation to HS in elderly CLI patients undergoing major limb amputation. METHODS: Patients suffering from CLI aged 70 years or older were included in a prospective observational cohort study with a follow-up period of 1 year. Patients were divided according to having had an amputation or not. The World Health Organization Quality Of Life-BREF (WHOQOL-BREF) was used to asses QoL. The 12-Item Short Form Health Survey (SF-12) was used to measure HS. These self-reported questionnaires were completed five times during follow-up. RESULTS: Two-hundred patients were included of whom 46 underwent a major limb amputation within one year. Amputees had a statistically significant improvement of their physical QoL after six months (14.0 vs. 9.0 (95% CI -7.84;-1.45),p = 0.005) and after a one-year follow-up (14.0 vs. 9.0 (95% CI -9.58;-1.46),p = 0.008). They did not however show any statistically significant difference in HS. For non-amputees, both physical QoL and HS improved. An instant statistically significant improvement of the physical QoL appeared 1 week after inclusion (12.0 vs. 10.9 (95% CI -1.57;-0.63),p<0.001). Similarly, statistically significant improvement in the physical HS first occurred at 1 week follow-up (29.0 vs. 28.9 (95% CI -5.78; -2.23),p = 0.003). CONCLUSIONS: There is a clear difference between patients' functioning (HS) and the patients' appraisal of functioning (QoL). In elderly CLI patients, this study clearly suggests a discrepancy between the physical QoL (WHOQOL-BREF) and HS (SF-12) measurements in vascular amputees. This raises the question, which outcome measurement is the most relevant for elderly CLI patients. Individual treatment goals should be kept in mind when assessing the HS or QoL outcome of patients undergoing hospital care. With respect to shared decision making, distinctive and subjective QoL questionnaires, like the WHOQOL-BREF, provide a very important outcome measurement and should be used in future research.

The importance of increased awareness for delirium in elderly patients with rib fractures after blunt chest wall trauma: a retrospective cohort study on risk factors and outcomes.

BACKGROUND: Rib fractures are common in ageing people after trauma and delirium is a complication often seen in acutely hospitalized elderly patients. For both conditions, elderly have an increased risk for institutionalization, morbidity, and mortality. This study is the first to investigate risk factors of delirium in elderly patients with rib fractures after trauma. METHODS: A retrospective chart review was performed on patients ≥65 years admitted with rib fractures after blunt chest wall trauma to the Amphia hospital Breda, the Netherlands, between July 2013 and June 2018. Baseline patient, trauma- and treatment-related characteristics were identified. The main objectives were identification of risk factors of delirium and investigation of the effect of delirium on outcomes after rib fractures. Outcomes were additional complications, length of hospital stay, need for institutionalization and mortality within six months. RESULTS: Forty-seven (24.6%) of 191 patients developed a delirium. Independent risk factors for delirium were increased age, physical impairment (lower KATZ-ADL score), nutritional impairment (higher SNAQ score) and the need for a urinary catheter, with odds ratios of 1.07, 0.78, 1.53 and 8.53 respectively. Overall, more complications were observed in patients with delirium. Median ICU and hospital length of stay were 4 and 7 days respectively, of which the latter was significantly longer for delirious patients (p < 0.001). Significantly more patients with delirium were discharged to a nursing home or rehabilitation institution (p < 0.001). The 6-month mortality in delirious patients was nearly twice as high as in non-delirious patients; however, differences did not reach statistical significance. CONCLUSION: Delirium in elderly patients with rib fractures is a serious and common complication, with a longer hospital stay and a higher risk of institutionalization as a consequence. Increased awareness for delirium is imperative, most importantly in older patients, in physically or nutritionally impaired patients and in patients in need of a urinary catheter.

Mycotic aneurysm caused by Clostridium septicum in a patient with colorectal cancer.

A mycotic aneurysm caused by a Clostridium septicum is a rare infection and has a strong association with colorectal cancer. If left untreated, the mortality rate of the first 24 h is high. This case report discusses the optimal treatment of emergency surgery combined with antibiotic treatment to improve survival. We present a fatal case of a 71-year-old male with abscedation of a caecal carcinoma who shortly after developed a mycotic aneurysm of the infrarenal aorta as a result of a C. septicum infection.

Life Expectancy and Outcome of Different Treatment Strategies for Critical Limb Ischemia in the Elderly Patients.

BACKGROUND: The treatment of critical limb ischemia (CLI) in the elderly patients is challenging because of the comorbidity and fragility of these patients. We analyzed survival in relation to different treatment options and estimated life expectancy of our study group by age and gender. METHODS: All patients aged ≥70 years, presenting with chronic CLI, between 2006 and 2013 were included. The treatment was conservative, endovascular, surgical, or by primary major amputation. The interest was in the effect of conservative versus nonconservative treatment on survival. Furthermore, we compared mortality and life expectancy between the study population to the overall Dutch population by age and gender. RESULTS: In total, 686 legs in 651 patients were treated. Initial treatment of patients was conservative (n = 181), endovascular (n = 259), surgical (n = 169), or amputation (n = 42). The overall 1-year mortality was 29%. Patients were stratified by age: 70-79 (n = 350) years and ≥80 (n = 301) years. Higher mortality rate ratios (RR) were found in octogenarians compared with patients aged 70-79 years, in the endovascular (P < 0.001) and surgical (P < 0.001) group. The mortality RRs of conservative relatively to nonconservative treatment was 0.84 (95% confidence interval: 0.65-1.09; P = 0.19), not significantly differing between both age groups (P = 0.74). The mortality RR of 3.72 of our study population to the Dutch general population was high, with an excess mortality of 272%. Life expectancy at the age of 70 years was substantially decreased by 9 and 8 years for, respectively, the male and female population. CONCLUSIONS: Mortality rates in elderly patients with CLI are high, corresponding with a decreased life expectancy, regardless of the type of intervention. Revascularization is associated with high periprocedural mortality, especially in octogenarians. Conservative treatment is noninferior to nonconservative treatment in terms of mortality and should be considered as the treatment in octogenarians with substantial comorbidity.

Reinterventions after Endovascular Revascularization in Elderly Patients with Critical Limb Ischemia: An Observational Study.

BACKGROUND: Endovascular-first strategy for critical limb ischemia is widely accepted, especially in elderly patients, because of the increasing patency rates and minimally invasive character. Nonetheless, the impact of reinterventions because of endovascular treatment failure in this population is not well known. The aim of this study was to evaluate the reintervention rate and outcomes following reinterventions. METHODS: Patients aged >70 years with critical limb ischemia as a result of aortoiliac, femoropopliteal, and/or crural disease, treated by "endovascular-first strategy" between 2006 and 2013, were retrospectively analyzed. Follow-up was until 31 December 2014. Primary end point was freedom from reintervention or major amputation. Secondary outcome measures were limb salvage and mortality after reintervention. Reintervention was defined as endovascular or surgical re-revascularization and categorized into early reintervention (<3 months) and late reintervention (>3 months). RESULTS: In total, 263 patients were treated by endovascular revascularization. The majority (60%) of the treated lesion was located in the femoropopliteal segment. In total, a reintervention was performed in 32%, with 48% performed within 3 months. Freedom from reintervention or major amputation at 1 and 3 years was 0.71 ± 0.03 and 0.61 ± 0.03, respectively. The 1-year Kaplan-Meier estimate amputation-free survival was 0.35 ± 0.06 in the early reintervention group, compared with 0.73 ± 0.06 in the late reintervention group and 0.71 ± 0.04 in the no reintervention group (P < 0.001; log rank). The 1-year mortality in the early reintervention group was 0.35 ± 0.06, compared with 0.14 ± 0.05 in the late reintervention group and 0.29 ± 0.04 in the group who did not require reintervention (P = 0.047; log rank). CONCLUSIONS: Endovascular revascularization first strategy for critical limb ischemia results in high reintervention rates in elderly patients. Failure of the endovascular revascularization requiring early reintervention is associated with lower amputation-free survival.

Infection Risk Following Common Femoral Artery Endarterectomy Versus a Hybrid Procedure.

BACKGROUND: Hybrid revascularization combines open lower extremity surgery and endovascular procedures to simultaneously treat atherosclerotic lesions on multiple levels in patients with peripheral arterial occlusive disease (PAD). Hybrid surgery appears to be a safe strategy for multilevel stenosis revascularization, though the risk of surgical site infection (SSI) has not been clearly investigated. This study evaluates the development of SSI following common femoral artery endarterectomy (CFE) and hybrid revascularization procedures. METHODS: A retrospective study was performed including all patients undergoing CFE, as standalone or as part of a hybrid procedure, due to PAD between January 2013 and December 2016. Preoperative, intraoperative, clinical, and follow-up information was gathered prospectively and reviewed retrospectively. The presence of SSI was recorded based on criteria of the Centre for Disease Control. RESULTS: A total of 229 CFEs were performed. One hundred thirty-two as a standalone procedure, 65 combined with iliofemoral angioplasty, and 32 combined with peripheral angioplasty. Nineteen patients (8.3%) developed an SSI, of which 4 were deep infections. Ten infections (7.6%) occurred in the CFE-only group, 5 (7.7%) in the iliofemoral hybrid group, and 4 (12.5%) in the peripheral hybrid group (P = 0.65). Five patients (2.1%) required surgery to control the infection. The mean duration of stay was 5 days for patients without SSI versus 20 days for patients who developed an SSI (P < 0.0001). CONCLUSIONS: The hybrid procedure combining open femoral endarterectomy with endovascular revascularization is a safe procedure with no significant differences in infection rates between open surgery, central, or peripheral hybrid revascularization.

Quality of Life and Mortality after Endovascular, Surgical, or Conservative Treatment of Elderly Patients Suffering from Critical Limb Ischemia.

BACKGROUND: Revascularization to relieve ischemic pain and prevent limb loss is the cornerstone of critical limb ischemia (CLI) treatment; however, not all elderly patients are deemed fit for revascularization. Patient-related outcome measurements are important in these patients. Quality of life (QoL) results regarding the effect of endovascular, surgical, and conservative treatment on the QoL in the elderly are scarce in the current literature. The goal of this study was to explore the outcomes of the different treatment modalities in elderly patients suffering from CLI, with a specific focus on QoL. METHODS: A total of 195 CLI patients ≥70 years were prospectively included between January 2012 and February 2016 and divided into 6 groups (endovascular revascularization, surgical revascularization, and conservative treatment). Two age groups (70-79 and >80 years) were analyzed. Follow-up was performed at 5-7 days, 6 weeks, and 6 months. World Health Organization Quality of Life-BREF questionnaire was used to determine QoL. The Vascular-Physiological and Operative Severity Score for Enumeration of Mortality and Morbidity score was noted. QoL was used as the primary end point, with mortality and limb salvage as the secondary end points. RESULTS: Six-month mortality was significantly lower in surgically treated patients aged 70-79 years (4%) as compared with endovascular (24%, P = 0.001) or conservative treatment (25%, P = 0.02). There was no significant difference in 6-month mortality in patients >80 years among endovascularly (38%), surgically (15%), and conservatively treated patients (27%). QoL significantly increased at all follow-up moments in surgically treated patients between 70 and 79 years and at 6 months in endovascularly treated patients. Conservatively treated patients did not improve their QoL in this age group. All patients aged >80 years, including conservatively treated patients, showed significantly improved QoL results at 6 months. CONCLUSIONS: Elderly patients judged fit for surgery may benefit the most from surgical revascularization, reporting low mortality rates, low adverse events and significantly gained QoL in multiple domains. However, all 3 treatment modalities have significantly increased physical health at 6 months. Conservative therapy seems to be an acceptable treatment option in patients unfit for revascularization with gained physical health at 6 months.

Dementia in Patients Suffering from Critical Limb Ischemia.

BACKGROUND: Critical limb ischemia (CLI) is a disease that is most prevalent in the elderly population. This group of patients includes patients suffering from comorbidities such as dementia. Mortality rates of both CLI and dementia are higher when compared with the nonaffected population. These demented vascular patients are often deemed unfit for surgery and at risk of respiratory and cardiovascular adverse events. Unfortunately, current literature is lacking in to determining the optimal treatment for demented patients suffering from CLI. The purpose of this study is to determine the prevalence of dementia in patients suffering from CLI, with special interest in the mortality rates of these patients. METHODS: Between January 2012 and October 2015, all patients aged over 70 and suffering from CLI were retrospectively reviewed in the Amphia Hospital, Breda, The Netherlands. Patients with diagnosed dementia before admission by a geriatrician were included in this study. Baseline characteristics were retrieved from patients' medical charts. Primary end point of this study is mortality and the secondary end points include adverse events, reinterventions, and limb salvage. RESULTS: A total of 369 patients suffering from CLI were diagnosed between January 2012 and October 2015. Thirty-one patients (8%) diagnosed with both dementia and CLI were included in this study with a mean age of 82 years old. Conservative therapy was selected as the therapy of choice in 61% of the patients. There was a mortality rate of 32% after 6 months, increasing to 52% after 1 year and 92% after 2 years. Limb salvage rates after 30 days were 84%, dropping to 77% after 6 months. CONCLUSIONS: Eight percent of CLI patients aged above 70 years old are suffering from dementia. Demented patients suffering from CLI are a frail group of elderly patients with a high mortality rate of 52% after 1-year follow-up. Therapy of choice should probably be selected following mutual agreement between vascular surgeons, individual patients, and their families, taking postoperative quality of life, life expectation, and anatomical arterial lesions into account.

Conservative Treatment in Selected Patients with Severe Critical Limb Ischemia.

OBJECTIVE: To assess the outcome of conservative treatment of severe critical limb ischemia (CLI) classified as Rutherford 5/6. BACKGROUND: The preferred therapy for CLI is either endovascular revascularization or bypass surgery. With a growing aged population with more serious comorbidities, these therapies are not always a viable option. Primary amputation leads to decreased mobility and a reduced quality of life. There is a lack of literature regarding the outcome of conservative therapy. METHODS: Hospital charts were reviewed of all patients who were diagnosed with Rutherford classification 5-6 and received conservative treatment and lacked interventional options. Outcome measures were mortality, complete wound closure, and limb salvage rate. RESULTS: 38 patients were included with a median age of 80 years (range 57-97). The amputation rate during follow-up was 16%. In 58% of patients, complete wound closure was achieved. All-cause mortality was 58% with a 2-year survivability rate of 55%. CONCLUSIONS: Conservative management in our selected patients with CLI results in a moderate rate of wound closure and acceptable amputation rates albeit with a high mortality rate. For patients not eligible for endovascular revascularization or bypass surgery, conservative treatment could be a viable option besides primary limb amputation.

Adverse events after treatment of patients with acute limb ischemia.

BACKGROUND: To assess the outcome and the occurrence and consequences of adverse events (AEs) after treatment of acute limb ischemia (ALI). METHODS: Retrospective analysis on intra-arterial thrombolysis (group I) and thromboembolectomy (group II). Outcome measures were primary patency and limb salvage rates. AEs and consequences were registered during admission and 30 days after discharge. RESULTS: A total of 238 procedures were included (group I, 173 vs. group II, 65). The primary patency (P = 0.144) and limb salvage rates (P = 0.166) were not significantly different between both groups. A total of 195 AEs were registered. Most AEs were procedure related and resulted in surgical reintervention (77% vs. 76%). Some AEs resulted in irreversible physical damage (15% vs. 25%) and death (6% vs. 12%). CONCLUSIONS: Both, intra-arterial thrombolysis and thromboembolectomies are adequate therapies; however, they result in a wide variety of AEs resulting in serious morbidity and even death.

The current position of precuffed expanded polytetrafluoroethylene bypass grafts in peripheral vascular surgery.

OBJECTIVE: Long-term results of precuffed expanded polytetrafluoroethylene (ePTFE) grafts used for peripheral bypass surgery are lacking. The aim of this study was to obtain the long-term outcomes of precuffed ePTFE grafts compared with autologous saphenous vein (ASV) grafts used in patients with peripheral arterial disease (PAD). METHODS: A single-institution retrospective study of precuffed ePTFE and ASV graft performances in patients with PAD was undertaken between January 2004 and December 2012. Five-year primary patency, secondary patency, and limb salvage rates were determined by Kaplan-Meier analyses. RESULTS: A total of 467 bypass grafts were included in this study (169 precuffed ePTFE grafts and 298 ASV grafts). Secondary patency rates of ePTFE vs ASV at 1 and 5 years, respectively, were as follows: for 134 supragenicular femoropopliteal bypasses, 60% and 27% vs 89% and 85% (P < .05); for 190 infragenicular femoropopliteal bypasses, 40% and 25% vs 86% and 79% (P < .05); and for 84 femorocrural bypasses, 30% and 14% vs 50% and 50% (P < .05). Five-year limb salvage rates of ePTFE vs ASV for supragenicular femoropopliteal bypasses were 82% vs 94% (P = .16); for infragenicular femoropopliteal bypasses, 41% vs 92% (P < .05); and for femorocrural bypasses, 43% vs 64% (P = .06). CONCLUSIONS: ASV bypasses are still the first-choice conduit in peripheral bypass surgery performed in patients with PAD. Precuffed ePTFE bypasses are acceptable alternatives in the absence of adequate autologous vein.

First experience of a novel femorocrural expanded polytetrafluoroethylene bypass graft.

BACKGROUND: This study aims to evaluate early results of a precuffed expanded polytetrafluoroethylene (ePTFE) Distaflo® Mini-Cuff Bypass Graft versus autologous saphenous vein (ASV) grafting in patients with peripheral arterial obstructive disease (PAOD). METHODS: This retrospective single-center study analyzed 42 patients who received a femorocrural bypass graft because of PAOD using an ASV graft (n = 28) or Distaflo Mini-Cuff graft (n = 14). RESULTS: Primary patency rates in the ASV and Distaflo Mini-Cuff groups were 81% and 69%, respectively, after 6 months. Secondary patency rates were 81% and 35%, respectively, after 12 months. The limb salvage rate was 81% in the ASV group vs 65% and 35%, respectively, in the Distaflo Mini-Cuff group after 6 months and 1 year. CONCLUSIONS: The ePTFE Distaflo Mini-Cuff is an option for revascularization in the absence of a suitable ASV. However, the performance of this novel graft is not better than that of current ePTFE bypass grafts.

Anastomoses in the common femoral artery, vascular clips or sutures? A feasibility study.

BACKGROUND: The Vessel Closure System (VCS) is commercially available since 1997. This clip system has proven to be successful for vascular anastomoses in access surgery. There is little experience with the VCS in peripheral vascular surgery. METHODS: A trial was conducted for patients with peripheral arterial disease, who required either a femoral artery endarterectomy or a peripheral bypass procedure. Patients were randomized into two groups: a VCS group, in which the proximal anastomoses were made using VCS clips; and a control group, in which both proximal and distal anastomoses were performed using Prolene sutures. Outcomes assessed were the speed of anastomosis and patency. Adverse events were monitored. RESULTS: In the VCS group, 12 patients underwent anastomoses using VCS clips. In the control group, 12 patients underwent vascular reconstruction using sutures. In the VCS group, the mean speed of anastomosis was 1.9 mm/min, whereas the mean speed in the control group was 2.5 mm/min; this was not significantly different (P = 0.096). After a follow-up of 12 months, there was no difference in patency. In the VSC group, two serious adverse events occurred, which required emergency surgery. CONCLUSION: Anastomosis in the femoral artery using VCS clips is not faster than that using running Prolene sutures, and in our small sample, two serious adverse events in the VCS group were observed. These results do not support the further use of vascular clips in peripheral vascular surgery.

The accuracy of complications documented in a prospective complication registry.

BACKGROUND: The objectives of this study were to evaluate the accuracy of a prospective complication registry for documenting complications and identify possible factors for non-registering. METHODS: Five hundred randomly selected patients admitted at the Department of Surgery of St. Elisabeth Hospital Tilburg, The Netherlands, in the year 2005, were evaluated for incidence and type of complications by an examination of their medical records and compared with a prospective complication registry. The system was independently reviewed by two persons for missing complications. Patient files with missing complications in the registry were screened for factors possibly responsible for non-registering. RESULTS: Two hundred thirteen complications were detected, 58 (27%) missing in the registry. There were 50 different types of complications documented. The number of events missing per category were: drug-related (50%, n = 4), organ dysfunction (44%, n = 14), infection-related (25%, n = 19), surgery/intervention-related (23%, n = 14), and hospital-provider errors (19%, n = 7). Not all clinically important complications were adequately documented (e.g., anastomotic leakage). The kappa score was 0.695, making the interrater reliability substantial. CONCLUSION: The accuracy of registering complications is fairly acceptable compared to the ranges mentioned in literature. It is disappointing that clinically important events are missing in the registry. The inaccuracy could be explained by a great diversity of documented events, due to a broad definition, suggesting ignorance of the responsible team of which events to register.

Treatment for critical lower limb ischemia in elderly patients.

BACKGROUND: Critical limb ischemia (CLI) has a poor outcome when left untreated. The benefits of revascularization in the very elderly might be limited because of co-morbidities and short life expectancy. Therefore, optimal management of CLI in the elderly is not straightforward. We analyzed treatment results for elderly patients with CLI (Rutherford 4 or 5/6) in our clinic. METHODS: Hospital charts of all patients>70 years of age diagnosed with Rutherford stage 4-6 peripheral arterial disease between January 2006 and December 2009 were reviewed. We divided patients into two age groups (70-79 and ≥80 years) to compare treatment results. Primary interventions were defined as conservative, endovascular, reconstructive surgery, and amputation. Outcome measures were mortality, reintervention, and major amputation rates. RESULTS: There were 191 patients [99 (52%) were women], median age 78.4 years, range 70-98 years. Altogether, 119 (62%) patients were aged 70-79 years, and 72 (38%) were ≥80 years. The primary intervention was equally divided over the two age groups (p=0.21). Trans-Atlantic Inter-Society Consensus Document on Management of Peripheral Arterial Disease (TASC II) classifications of aortoiliac lesions were not significantly different regarding intervention (p=0.62) or age (p=0.39). TASC II classification of femoropopliteal lesions was significantly different relative to intervention (p<0.01) but not different between age groups (p=0.68). Mortality rate after reconstructive surgery was significant higher in the oldest age group (p<0.01). After conservative treatment, endovascular treatment, or amputation, the mortality rates were not significantly different between the two age groups (respectively, p=0.06, p=0.33, p=0.76). Reintervention rate was 51% in the 70- to 79-year group compared to 32% in the ≥80-year group. After initial treatment, major amputations were performed in 10% in the 70- to 79-year group compared to 13% in the ≥80-year group. CONCLUSIONS: In patients aged≥80 years, surgical revascularization resulted in a significant higher mortality rate in our clinic, whereas primary conservative, endovascular treatment and amputation resulted in similar mortality in both age groups. When considering surgical revascularization in the very elderly, surgeons should focus on careful patient selection.