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1.

Purpose

The aim of this retrospective study was to evaluate the clinical outcomes of the patients who underwent primary anterior cruciate ligament (ACL) reconstruction surgery with either hamstring autograft or freeze-dried tibialis anterior allograft, which performed by the same surgeon using the same fixation technique.

Methods

In this retrospective study, patients who had primary ACL reconstruction using either four-strand hamstring autograft (FSH) or freeze-dried irradiated tibialis anterior allograft (FDT) between 2012 and 2015 were evaluated. Patients who were skeletally mature with a minimum follow-up of 24 months and who had no previous surgery from the affected knee were included; patients who had multiple ligament injuries or chondral lesions over Outerbridge grade 2 were excluded from the study. Patients were grouped according to the graft type used in ACL reconstruction. Tegner activity scale and Lysholm knee scoring scale were used to assess patients' activity levels and functional status preoperatively and at the final follow-up. KT-2000 arthrometer measurements were done at the final follow-up to evaluate anterior laxity.

Results

There were 27 patients (mean age 27 ± 8.9 years) in the FSH group and 36 patients (mean age 27.1 ± 6.7 years) in the FDT group. The mean follow-up time was 38.2 ± 3.5 months for the FSH group and 41 ± 6.1 months for the FDT group. There were no statistically significant differences between the groups when preoperative and postoperative Tegner-Lysholm scores were compared (Tegner P = 0.583, 0.742; Lysholm P = 0.592, 0.249). The mean anteroposterior laxity and side-to-side differences measured by KT-2000 were 4.1 mm and 2.1 mm for the FSH group, respectively; 4.2 mm and 2.2 mm for the FDT group, respectively. There was not a statistically significant difference (P = 0.745, 0.562 respectively).

Conclusions

Primary ACL reconstruction with a single loop freeze-dried irradiated tibialis anterior allograft revealed comparable results with four-strand hamstring autograft in non-athlete patients.

Level of evidence

Level III, Therapeutic study.  相似文献   

2.

Background

Several vascular surgical procedures, including repair of abdominal aortic aneurysms (AAAs), show poorer outcomes for women than for men. We evaluated the impact of sex-based demographic differences on survival after endovascular aneurysm repair (EVAR).

Methods

We reviewed EVARs performed at our institution between 2003 and 2009 and assessed aortic neck variables (length, diameter, angulation, and calcification), iliac artery variables (length, tortuosity, angulation, and calcification), and AAA diameter. Cox proportional hazards models were used to examine the association between sex and 5-year mortality while adjusting for patients' demographics, comorbidities, anatomic variables, and AAA parameters. The final model adjusted for sex, age, body mass index, hypertension, iliac artery length, and aortic neck length.

Results

Of 336 patients, 278 were male (mean age, 73 years) and 58 were female (mean age, 77 years; P = .0005). Men had more coronary artery bypass grafts (79 vs 8; P = .02) and percutaneous coronary interventions (52 vs 4; P = .03) than women did. Significant differences between the sexes was seen for aortic neck angle, diameter, and length and for iliac artery diameter and length. Men (44%) were more likely than women (22%; P = .0002) to have EVAR performed within the device guidelines. Five-year survival was 73% in men and 49% in women. Multivariable analysis showed that female sex, increase in age, low body mass index (<25 kg/m2), and aortic neck length were significantly associated with risk of 5-year mortality.

Conclusions

Women presented at an older age and with a more hostile anatomy. They had reduced survival compared with men after EVAR. After controlling for comorbidities and aortic neck and iliac artery anatomy, sex remained an independent predictor for survival.  相似文献   

3.

Background

Surgical strategy for pyogenic spondylitis is controversial when vertebral body erosion is severe. Radical debridement and anterior column reconstruction is indicated for the purpose of early ambulatory to prevent secondary complication for long bed rest. However, such aggressive debridement and risk of perioperative complications are trade-off. The purpose of this study was to evaluate the risk factor of poor prognosis after anterior column debridement and reconstruction for pyogenic spondylitis in lower thoracic and lumbar spine.

Methods

We performed a retrospective review of 40 patients diagnosed with pyogenic spondylitis in lower thoracic and lumbar spine who were introduced to our institution due to losing ambulatory ability and underwent anterior column debridement and reconstruction between January 2008 and May 2016. After the patient population was split into a regaining ambulatory group (Group A; n = 23) and a poor prognosis group (Group P; n = 17), we used Fisher exact tests and t-tests as appropriate for univariate analyses to compare patient characteristics and outcomes between the 2 groups.

Results

Univariate analysis showed that the significant variables were massive bleeding (>2000 ml) (P < 0.01), Charlson Comorbidity Index ≥3 (P = 0.01), and two-stage surgery needed (P = 0.04). Logistic regression analysis showed that the factors associated with poor prognosis were massive bleeding (Odds Ratio 11.9; 95% confidence interval 1.8 to 119.7; P = 0.04).

Conclusions

Massive bleeding was associated with poor prognosis after debridement followed by anterior column reconstruction for pyogenic spondylitis in lower thoracic and lumbar spine.  相似文献   

4.

Study Design

Two-group randomized controlled trial.

Introduction

Upper limb orthoses worn during functional tasks are commonly used in pediatric neurologic rehabilitation, despite a paucity of high-level evidence.

Purpose of the Study

The purpose of this study was to investigate if a customized functional wrist orthosis, when placed on the limb, leads to an immediate improvement in hand function for children with cerebral palsy or brain injury.

Methods

A 2-group randomized controlled trial involving 30 children was conducted. Participants were randomized to either receive a customized functional wrist orthosis (experimental, n = 15) or not receive an orthosis (control, n = 15). The box and blocks test was administered at baseline and repeated 1 hour after experimental intervention, with the orthosis on if randomized to the orthotic group.

Results

After intervention, there were no significant differences on the box and blocks test between the orthotic group (mean, 10.13; standard deviation, 11.476) and the no orthotic group (mean, 14.07; standard deviation, 11.106; t[28], ?0.954; P = .348; and 95% confidence interval, ?12.380 to 4.513).

Discussion

In contrast to the findings of previous studies, our results suggest that a functional wrist orthosis, when supporting the joint in a ‘typical’ position, may not lead to an immediate improvement in hand function.

Conclusions

Wearing a functional wrist orthosis did not lead to an immediate improvement in the ability of children with cerebral palsy or brain injury to grasp and release. Further research is needed combining upper limb orthoses with task-specific training and measuring outcomes over the medium to long term.  相似文献   

5.
6.

Study Design

Cross-sectional design.

Introduction

This study examined the translated English to Polish version of the Patient-Rated Ulnar Nerve Evaluation (PRUNE) for its internal consistency, test-retest reliability, and construct validity.

Methods

During the first assessment validity testing, a total of 39 consecutive patients with cubital tunnel syndrome completed the PRUNE, Michigan Hand Outcome Questionnaire, Disabilities of the Arm, Shoulder, and Hand questionnaire, and Patient Evaluation Measure in conjunction with the grip and key pinch tests and pain score (by Visual Analogue Scale). Cronbach's alpha (CA), intraclass correlation coefficient (ICC), and the Bland-Altman plot were used to evaluate internal consistency, test-retest reliability, and agreement, respectively. Analysis of variance compared the PRUNE score with the McGowan clinical stages.

Results

After a 1-day interval, 19 patients completed the PRUNE for the second time. The total PRUNE score was 44.4 ± 20.4, CA = 0.93, and ICC = 0.921. The total PRUNE score limits of agreement varied from ?9.87 to 7.55 points. PRUNE subscale CA ranged from 0.79 to 092; the ICC varied from 0.738 to 0.911. The construct validity revealed a strong association with Michigan Hand Outcome Questionnaire (R = ?0.83; P < .000), and moderate with Disabilities of the Arm, Shoulder, and Hand (R = 0.75; P < .000), Patient Evaluation Measure (R = 0.75; P < .000), and Visual Analogue Scale (R = 0.69; P < .000). The grip and pinch tests had low and no correlation with the total PRUNE score, respectively.

Conclusion

The Polish version of PRUNE showed good psychometric properties for use in both clinical and research practice in patients with cubital tunnel syndrome of varying intensity.  相似文献   

7.

Background

Osteofibrous dysplasia usually progresses until ten years of age and occasionally regresses spontaneously after puberty. Patients with osteofibrous dysplasia usually require close observation. Surgery is an option considered only for extensive, deforming lesions and those with pathological fractures and rapid progression prior to puberty. If surgery is indicated, the traditional intra-lesional curettage or subperiosteal resection usually leads to high recurrence. Hence, extraperiosteal wide excision and various methods of reconstruction after resection have been advocated for this lesion. We reviewed the clinical results of patients managed with extraperiosteal segmental excision and reconstruction by liquid nitrogen-treated tumor-bearing autograft combined with allograft.

Methods

From January 2010 to December 2014, twelve patients with final diagnosis of tibial osteofibrous dysplasia were studied retrospectively. All these patients were treated with extraperiosteal segmental excision and reconstruction by liquid nitrogen-treated tumor-bearing autograft combined with allograft.

Results

The patient group consisted of 5 males and 7 females, with a median age of 13 years (6–24 years). 3 lesions were located in left tibia and 9 in right. The median length of resected segment was 8 cm (5–11 cm). The patients were followed for 36–84 months (median 52 months). Follow-up radiographs showed that the median time for complete union of the grafted bone was 9 months (6–15 months). There was no evidence of recurrence. All patients had full range of motion in the knee and ankle joints after surgery.

Conclusions

Extraperiosteal segmental excision for osteofibrous dysplasia of tibia with reconstruction by liquid nitrogen-treated recycled autograft and allograft is a good surgical option to prevent recurrence and fill bone defects in this rare lesion.  相似文献   

8.
9.

Purpose

Creating a trough on the anterior glenoid rim is one of the methods used for arthroscopic Bankart repair with suture anchors. The purpose of this study was to analyze clinical and radiological outcomes of arthroscopic Bankart repair with suture anchors; to compare between the outcomes of surgical procedures with and without trough.

Methods

Clinical and radiological outcomes were evaluated for 116 patients who underwent arthroscopic Bankart repair at our institute from 2005 to 2011. The mean follow-up was 5.2 years (range, 2–8.8 years). All data were divided into trough group (n = 62) and non-trough group (n = 71). Clinical and functional outcomes were assessed pre- and postoperatively as range of motion (ROM), pain on the visual analog scale (p-VAS), function on the visual analog scale (f-VAS), and Rowe score. Radiological outcomes were also evaluated.

Results

The overall postoperative clinical and functional outcomes improved significantly (P < .001). A total of 8 patients (6.8%) showed recurrent instability. Radiologic findings showed mild arthritis in 27 cases (23.1%), moderate arthritis in 6 cases (5.1%), and no severe arthritis. 32 patients showed anterior apprehension after surgery, and 22 out of those 32 patients were from non-trough group. However, no significant difference between the trough and non-trough groups was found with respect to clinical and functional outcomes (P > .05).

Conclusion

The additional procedure of creating a trough did not improve clinical outcomes in terms of frank dislocation; however, at the final follow-up, patients with the trough showed less anterior apprehension. Overall, arthroscopic Bankart repair using suture anchors had relatively good clinical outcome, with a redislocation rate of 6.8%.

Level of evidence

Level III, Case series.  相似文献   

10.

Introduction

Chemotherapy-induced peripheral neuropathy (CIPN) usually affects both sensory and motor function of hands and feet, resulting in impaired skilled hand function (e.g., typing a keyboard). However, quantitative and objective evaluations for this condition have not been established.

Purpose of the Study

We evaluated skilled hand function using a kinematic analysis and investigated relationships among hand kinematic function and the clinical sensory and motor features of CIPN.

Study Designs

Clinical measurement.

Methods

Twelve CIPN patients and 12 age-matched control participants were enrolled. We recorded their reach and grasp movements using a three-dimensional measurement system, and calculated the normalized jerk of these movements as quantitative indexes of skilled hand function. Additionally, we used the number of sequential hand grip–release cycles in 10 seconds as an evaluation of clinical motor function.

Results

Our kinematic analyses revealed significant difference in normalized jerk of grasp movement (CIPN: 3.7 ± 0.2, control: 3.4 ± 0.1; P = .005), but this was not the case for reach movement (CIPN: 2.5 ± 0.1, control: 2.5 ± 0.2; P = .43), indicating that the distal part of the forearm is particularly affected in CIPN. Such disturbed grasp movement was directly correlated with poor scores on the hand grip–release test and the sensory tests.

Discussion

We revealed deficit impaired hand function objectively and quantitatively in CIPN patients using a kinematic analysis. Further, the hand grip test could represent such kinematic abnormality and could be useful for evaluating skilled hand function of CIPN patients.

Conclusions

Our kinematic and clinical measurements objectively and quantitatively evaluate skilled hand function in individuals with CIPN in clinical settings.

Level of Evidence

Cross-sectional observational study.  相似文献   

11.
12.

Objective

Hypogastric aneurysms (HAs) frequently coexist with aortoiliac aneurysms (AIAs). However, the presence of an HA is a contraindication to endovascular aneurysm treatment by iliac branch devices (IBDs) because of the risk of distal sealing-related endoleaks. No robust evidence exists in the published literature, and therefore we sought to evaluate the performance of IBDs in the presence of HAs within a multicenter registry of nine vascular centers.

Methods

Clinical and radiographic information of 804 patients with AIAs treated by IBDs was retrospectively reviewed and analyzed using prearranged, defined, and documented protocols. The treatment period was between January 2005 and April 2017.

Results

HA was present in 315 (32.6%) of the overall 910 deployed IBDs. Mean radiologic follow-up was 32 months. The incidence of incomplete aneurysm exclusion and type I endoleak was 3% in the HA group vs 0.7% in the non-HA group (P = .019). The 5-year freedom from IBD-related type I endoleak was 93% vs 98% in the HA group vs the non-HA group, respectively (P = .006). Subgroup analysis of the HA group revealed that use of a single distal bridging stent graft vs multiple bridging devices led to higher rate of type I endoleak (9.6% vs 2.8%; P = .031), branch occlusions (8.3% vs 0.9%; P = .009), and buttock claudication (7.6% vs 1.9%; P = .038).

Conclusions

This series of AIAs with HAs is the largest reported. It shows that HAs coexisting with AIAs, when treated with IBDs, have significantly worse outcomes. Lengthening the distal landing zone with more than one bridging stent graft into the distal healthy hypogastric artery or one of its main branches improves outcomes.  相似文献   

13.

Study Design

Clinical measurement study.

Introduction

The push-off test (POT) was recently conceived and found to be reliable and valid for assessing weight bearing through injured wrist or elbow. However, further research with larger sample can lend credence to the preliminary findings supporting the use of the POT.

Purpose of the Study

This study examined the interrater reliability, construct validity, and measurement error for the POT in patients with wrist conditions.

Methods

Participants with musculoskeletal (MSK) wrist conditions were recruited. The performance on the POT, grip isometric strength of wrist extensors was assessed. The shortened version of the Disabilities of the Arm, Shoulder and Hand and numeric pain rating scale were completed. The intraclass correlation coefficient assessed interrater reliability of the POT. Pearson correlation coefficients (r) examined the concurrent relationships between the POT and other measures. The standard error of measurement and the minimal detectable change at 90% confidence interval were assessed as measurement error and index of true change for the POT.

Results

A total of 50 participants with different elbow or wrist conditions (age: 48.1 ± 16.6 years) were included in this study. The results of this study strongly supported the interrater reliability (intraclass correlation coefficient: 0.96 and 0.93 for the affected and unaffected sides, respectively) of the POT in patients with wrist MSK conditions. The POT showed convergent relationships with the grip strength on the injured side (r = 0.89) and the wrist extensor strength (r = 0.7). The POT showed smaller standard error of measurement (1.9 kg). The minimal detectable change at 90% confidence interval for the POT was 4.4 kg for the sample.

Conclusions

This study provides additional evidence to support the reliability and validity of the POT. This is the first study that provides the values for the measurement error and true change on the POT scores in patients with wrist MSK conditions. Further research should examine the responsiveness and discriminant validity of the POT in patients with wrist conditions.  相似文献   

14.

Study Design

Cross-sectional study.

Purpose of the Study

The study aims to determine the effects of force direction and arm position in differentiating the clavicular (PMc) and sternal (PMs) parts of the pectoralis major (PM) muscle during maximal voluntary isometric contraction (MVIC) to provide basic evidence to support the clinical thinking behind muscle strength testing of PM.

Methods

Nine experimental conditions with 3 force directions of horizontal adduction (+30° oblique, horizontal, and ?30° oblique to the transverse plane) and 3 arm rotation positions (0°, 45°, and 90° shoulder external rotation from the transverse plane) were randomly tested for 26 healthy male participants. The MVIC force level was monitored and measured with a fixed dynamometer, and the surface electromyographic (EMG) signals of the PMc, PMs, anterior deltoid, middle deltoid, and latissimus dorsi were collected during the test for each condition. The PMc/PMs EMG ratio and normalized EMG amplitude were used to quantify the contribution of the tested muscles.

Results

The MVIC force level significantly declined when the arm's external rotation increased (P < .01; the grand mean decreased from 106.7 N ± 27.8 N to 89.5 N ± 22.6 N). The PMc/PMs EMG ratio showed that the best test condition to differentiate the PMc and PMs was the force direction of +30° oblique to the transverse plane and the 45° arm rotation position. Other muscles contributed less than 40% of their MVIC activity levels, with a higher activation level found in the anterior deltoid muscle (P < .01).

Conclusions

Arm rotation position should be considered as a predominant factor when clinically examining the strength of horizontal adduction movement. All tested conditions failed to fully separate PMc and PMs activation during MVIC and suggested that functional differentiation of the PM might not be applicable to maximal exertion.

Level of Evidence

NA.  相似文献   

15.

Background

Klippel-Trénaunay syndrome (KTS) is a severe vascular malformation that can lead to hypertrophic osteoarthritis. Total knee arthroplasty (TKA) performed in extremities affected with KTS is challenging given the high-risk vascular considerations and occasionally poor bone quality.

Methods

We identified 12 patients with KTS who underwent TKA between 1998 and 2017. There were 7 men, mean age 42 years, and mean follow-up was 7 years. Before arthroplasty, 2 patients (17%) had preoperative sclerotherapy. Preoperative vascular studies were done for 9 patients (75%) and included magnetic resonance imaging (n = 7), magnetic resonance angiography (n = 1), and computed tomography angiography (n = 1). A preoperative blood conservation protocol was used for all operations and included the use of tranexamic acid (TXA) in later years. Posterior-stabilized TKA was used in 10 cases and cruciate-retaining TKA was used in 2 cases.

Results

At final follow-up, 2 patients (17%) had undergone revision surgery: 1 for infection and 1 for tibial loosening with subsequent arthrofibrosis. Knee Society Scores (36-83, P < .0001) and functional scores (48-84, P = .0007) significantly increased between the preoperative and postoperative period. Likewise at last follow-up, the mean knee range of motion significantly increased (82°-104°, P = .04). Median blood loss for patients who received TXA was 200 mL compared to 275 mL in patients who did not receive TXA (P = .66). Likewise there was no difference (P = .5) in the proportion of patients who required a transfusion between those who received TXA (2/6, 33%) and those who did not (3/6, 50%).

Conclusion

In this small series, TKA can lead to significant clinical improvement for patients with KTS. Modern blood management techniques and a careful multidisciplinary care approach render TKA a reasonable option for select patients with KTS.

Level of Evidence

Level IV case series, therapeutic.  相似文献   

16.

Objectives

To improve surgical planning and reduce fasting times with a tool designed to predict average surgical times for the commonest orthopaedic trauma operations.

Methods

A prospective cohort study comprising two 2-week periods before and after introduction of a surgical planning tool. The tool was used in the post-intervention group to predict surgical times for each patient and the predicted end-time for each list. The study was conducted in a UK trauma unit with consecutive orthopaedic trauma patients listed for surgery with no exclusions.

Intervention

A surgical planning tool was generated by analysing 5146 electronic records for trauma procedure times. Average surgical times for the commonest 20 procedures were generated with 95% confidence intervals. The primary outcome measure was number of patients fasted for a single day. The secondary outcome measures were the day of surgery and total fast times for food and fluids.

Results

After introduction of the planning tool, patients were more likely to fast for only one day (65% 46/71 vs 53% 40/75, p < 0.05). Day of surgery food fast was significantly lower with use of the surgical planning tool (13:11 h to 11:44 h, p < 0.05). Fast times were lower for patients with hip fractures after the intervention, with a reduction in day of surgery fast from 8:25 h to 4:28 h (p < 0.05) and a total fluid fast of 13:00 h to 4:31 h (p < 0.001).

Conclusions

Introduction of a surgical planning tool was associated with a decrease in fasting times for orthopaedic trauma patients with no patient cancelled for not being adequately fasted.  相似文献   

17.

Objective

High-performance athletes can develop symptomatic arterial flow restriction during exercise caused by endofibrosis. The pathogenesis is poorly understood; however, coagulation enzymes, such as tissue factor (TF) and coagulation factor Xa, might contribute to the fibrotic process, which is mainly regulated through activation of protease-activated receptors (PARs). Therefore, the aim of this explorative study was to evaluate the presence of coagulation factors and PARs in endofibrotic tissue, which might be indicative of their potential role in the natural development of endofibrosis.

Methods

External iliac arterial specimens with endofibrosis (n = 19) were collected during surgical interventions. As control, arterial segments of the external iliac artery (n = 20) were collected post mortem from individuals with no medical history of cardiovascular disease who donated their body to medical science. Arteries were paraffinized and cut in tissue sections for immunohistochemical analysis. Positive staining within lesions was determined with ImageJ software (National Institutes of Health, Bethesda, Md).

Results

Endofibrotic segments contained a neointima, causing intraluminal stenosis, which was highly positive for collagen (+150%; P < .01) and elastin (+148%; P < .01) in comparison with controls. Intriguingly, endofibrosis was not limited to the intima because collagen (+213%) and elastin (+215%) were also significantly elevated in the media layer of endofibrotic segments. These findings were accompanied by significantly increased α-smooth muscle actin-positive cells, morphologically compatible with the presence of myofibroblasts. In addition, PAR1 and PAR4 and the membrane receptor TF were increased as well as coagulation factor X.

Conclusions

We showed that myofibroblasts and the accompanying collagen and elastin synthesis might be key factors in the development of endofibrosis. The special association with increased presence of PARs, factor X, and TF suggests that protease-mediated cell signaling could be a contributing component in the mechanisms leading to endofibrosis.  相似文献   

18.
19.

Introduction

Negative organ donation rates among the Gypsies is much higher than that of any other social group in Spain. However, living donation rates have not been raised much in this social group, despite the existence of several Gypsy patients on the waiting list for transplantation.

Objective

To analyze the attitude toward related living donation among the Gypsy population who reside in Spain.

Methods

This type of study is an observational sociological study. The study consisted of the adult Gypsy population residing in Spain, and a random sampling of 230 adult gypsies was conducted. Attitude questionnaires for live donation, both hepatic PCID-DVH-Ríos and renal PCID-DVR-Ríos, were used, and random selection was based on stratification. Questionnaires were self-administered and completed anonymously. Student t test, χ2, Fisher, and a logistic regression analysis were used.

Results

A sample of 206 Gypsies (52% women) with a mean age of 34 years is obtained. Seventy-two percent (n = 150) would donate an organ to a relative in life, 8% (n = 16) would not donate it, and 20% (n = 41) have doubts. Respondents with a favorable attitude toward living donation presented a more favorable attitude toward cadaveric organ donation (55% vs 0%, P < .001). The attitude toward living kidney donation was more favorable (81% in favor) than toward living liver donation (P < .001).

Conclusions

The Gypsy ethnic group is sensitized to live donor transplantation. The family and cultural roots of Gypsy people could condition this favorable attitude, a fact to be taken into account to sensitize this social group and promote donation campaigns with the aim of increasing donation rates.  相似文献   

20.

Background

Remote iliac artery endarterectomy (RIAE) is a challenging technique in the treatment of arterial occlusive disease. The impact of proximal transection zone stenting on patency rates is still unclear.

Methods

This is a retrospective analysis of all patients who underwent RIAE in our hospital between March 2007 and October 2017. A stent was used in cases with a dissection flap or a stenosis at the proximal transection zone after RIAE. In all other cases, we did not use a stent. Study end points were patency rates, limb salvage, and survival after 5 years.

Results

There were 115 RIAEs performed in 108 patients. All lesions were TransAtlantic Inter-Society Consensus C (61.7%) or D (38.3%) lesions. The median follow-up time was 38.5 months (range, 0-117 months). The indications were claudication in 67.0% and critical limb ischemia in 33.0%. Group 1 (n = 56) included all patients without a stent; group 2 (n = 59) included all patients with stenting of the proximal dissection zone. Risk factors were similar between the groups. The 30-day morbidity and mortality rates between the groups were not significantly different. The primary patency rate was 81.6% (group 1, 76.2%; group 2, 87.6%; P = .286), the primary assisted patency rate was 91.9% (group 1, 94.0%; group 2, 90.0%; P = .512), and the secondary patency rate was 93.8% (group 1, 94.0%; group 2, 91.6%; P = .435) after 5 years. Limb salvage (97.2%; group 1, 100%; group 2, 94.5%; P = .084) and survival time (57.1%; group 1, 66.7%; group 2, 43.5%; P = .170) were also not significantly different between the groups. A restenosis at the transection zone occurred in 14.3% in group 1 and 1.7% in group 2 (P = .013) during follow-up. A newly formed occlusion of the hypogastric artery was seen in 5.2% of patients after RIAE.

Conclusions

RIAE is a safe procedure with excellent patency rates. However, the restenosis rate is higher in cases without stenting.  相似文献   

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