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Comparison of Surgeon Assessment to Frailty Measurement in Abdominal Aortic Aneurysm Repair.

腹主动脉瘤修补术中外科医生评估与虚弱测量的比较。

  • 影响因子:2.01
  • DOI:10.1016/j.jss.2019.11.005
  • 作者列表:"George EL","Kashikar A","Rothenberg KA","Barreto NB","Chen R","Trickey AW","Arya S
  • 发表时间:2020-04-01
Abstract

BACKGROUND:Endovascular abdominal aortic aneurysm repair (EVAR) allows us to intervene on patients otherwise considered poor candidates for open repair. Despite its importance in determining operative approach, no comparison has been made between the subjective "eyeball test" and an objective measurement of preoperative frailty for EVAR patients. MATERIALS AND METHODS:Patients undergoing elective EVAR were identified in the Vascular Quality Initiative (VQI) database (2003-2017). Patients were classified "unfit" based on a surgeon-reported variable. Frailty was defined using the VQI-derived Risk Analysis Index, which includes sex, age, BMI, renal failure, congestive heart failure, dyspnea, preoperative ambulation, and functional status. The association between fitness and/or frailty and adverse outcomes was determined by logistic regression. RESULTS:A total of 11,694 patients undergoing elective EVAR were included of which only 18.1% were "unfit," whereas 34.6% were "frail" and overall 43.6% "unfit or frail." Patients deemed "unfit" or "frail" had significantly increased odds of mortality, complications, and nonhome discharge (P < 0.001), and both frailty and unfitness generated negative predictive values for these outcomes greater than 93%. In adjusted logistic regression, the addition of objective frailty significantly improved model performance in predicting nonhome discharge (C-statistic 0.65 versus 0.71, P < 0.001) and complications (0.59 versus 0.61, P = 0.01), but similarly predicted mortality (0.74 versus 0.73, P = 0.99). CONCLUSIONS:Preoperative frailty assessment provides a useful objective measure of risk stratification as an adjunct to a physician's clinical intuition. The addition of frailty expands the pool of high-risk patients who are more likely to experience adverse postoperative events after elective EVAR and may benefit from uniquely tailored perioperative interventions.

摘要

背景: 腹主动脉瘤腔内修复术 (EVAR) 允许我们对那些被认为是开放修复术的不良候选者进行干预。尽管其在确定手术入路中很重要,但尚未对主观 “眼球测试” 和客观测量EVAR患者的术前虚弱进行比较。 材料和方法: 在血管质量倡议 (VQI) 数据库 (2003-2017) 中识别接受选择性EVAR的患者。根据外科医生报告的变量将患者分类为 “不适合”。使用VQI衍生的风险分析指数定义虚弱,该指数包括性别、年龄、BMI、肾衰竭、充血性心力衰竭、呼吸困难、术前行走和功能状态。通过logistic回归确定健康和/或虚弱与不良结局之间的关联。 结果: 共纳入11,694例接受择期EVAR的患者,其中仅18.1% 为 “不适合”,而34.6% 为 “虚弱”,总体43.6% 为 “不适合或虚弱”。被认为 “不适合” 或 “虚弱” 的患者死亡率、并发症和非家庭出院的几率显著增加 (P <0.001),虚弱和不适合对这些结果产生的阴性预测值均大于93%。在调整后的逻辑回归中,客观虚弱的增加显著改善了模型在预测非家庭出院 (C-统计量0.65对0.71,P <0.001) 和并发症 (0.59对0.61,P = 0.01) 方面的性能,但同样预测了死亡率 (0.74对0.73,P = 0.99)。 结论: 术前虚弱评估提供了一个有用的风险分层的客观测量,作为医生临床直觉的辅助。虚弱的增加扩大了高风险患者的池,这些患者在择期EVAR后更可能经历术后不良事件,并且可能受益于独特定制的围手术期干预。

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影响因子:1.05
发表时间:2020-02-01
DOI:10.23736/S0021-9509.18.10206-0
作者列表:["Peters AS","Hatzl J","Bischoff MS","Böckler D"]

METHODS:BACKGROUND:Due to recent advances in endograft design and percutaneous access, technical success could be increased during endovascular aneurysm repair (EVAR). Beside EVAR, endovascular aneurysm sealing (EVAS) provides an alternative procedure to treat aneurysms. To compare the two methods, additional benchmark criteria should be evaluated: Screening time, dose area product (DAP), procedure time and contrast use. In this study these technical variables are analyzed for EVAS vs. EVAR in comparable patient cohorts. METHODS:It is a retrospective, single-center study. Only elective cases of infrarenal aortic aneurysms were included, all treated by the same surgeon (D.B.). Procedures were performed within the instructions for use without additional procedures. All operations were undertaken in a hybrid operating theatre. For EVAR, only the Medtronic Endurant® and the Gore C3 Excluder® were included. For EVAS the Nellix® from Endologix was used. RESULTS:Between 2012 and 2016, 67 patients were treated with EVAS and 40 with EVAR; of these 20 and 16 could be introduced into the study respectively. Median age was 73 and 72 years respectively (only men). The two groups were comparable in terms of BMI, GFR and ASA-status. Screening time was reduced for EVAS (10.6 vs. 14.5 min., P<0.01), while the DAP was not significantly different. Procedural time and contrast use were increased for EVAS (120 vs. 96 min., 120 vs. 79 mL, P<0.01). CONCLUSIONS:Especially the younger EVAS-procedure requires ongoing review in order to further reduce contrast agent. Reduced screening time for EVAS does not have a significant impact on radiation dose.

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影响因子:4.91
发表时间:2020-04-01
来源期刊:Annals of surgery
DOI:10.1097/SLA.0000000000003050
作者列表:["Karthaus EG","Vahl A","van der Werf LR","Elsman BHP","Van Herwaarden JA","Wouters MWJM","Hamming JF"]

METHODS:OBJECTIVE:To evaluate reasons to deviate from aneurysm diameter thresholds, and focus on the difference in how Dutch vascular surgical units (VSUs) perceive their deviation and their actual deviation. BACKGROUND:Guidelines recommend surgical treatment for asymptomatic abdominal aortic aneurysms (AAAs) with a diameter of at least 55 mm for men and 50 mm for women. We evaluate reasons to deviate from these guidelines, and focus on the difference in how Dutch vascular surgical units (VSUs) perceive their deviation and their actual deviation. METHODS:All patients undergoing elective AAA repair between 2013 and 2016 registered in the Dutch Surgical Aneurysm Audit (DSAA) were included. Surgery at diameters of <55 mm for men and <50 mm for women were considered guideline deviations. National deviation and hospital variation in deviation were evaluated over time. Questionnaires were distributed among all Dutch VSUs, inquiring for acceptable reasons for guideline deviation. VSUs were asked to estimate the guideline deviation percentage in their hospital which was then compared with their DSAA percentage. RESULTS:In all, 9039 patients were included. In 15%, we found guideline deviation, varying from 2% to 40% between VSUs. Over time, 21 VSUs were identified with a lower percentage of deviation than the national mean each year and 8 VSUs with a higher percentage. 44/60 VSUs completed the questionnaire. Most commonly reported reasons to deviate were concomitant large iliac diameter (91%) and saccular aneurysm (82%). The majority of the VSUs (77%) estimated their guideline deviation to be <5%. Eleven VSUs (25%) estimated their deviation concordant with their DSAA percentage, but 75% of VSUs underestimated their deviation. CONCLUSIONS:Dutch VSUs regularly deviate from the guidelines regarding aneurysm diameter, with variation between VSUs. Consensus exists amongst VSUs on acceptable reasons for guideline deviations; however, the majority underestimates their actual deviation percentage.

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影响因子:1.05
发表时间:2020-04-01
DOI:10.23736/S0021-9509.18.10639-2
作者列表:["Kodama H","Takahashi S","Okazaki T","Morita S","Go S","Watanabe M","Yamane Y","Katayama K","Kurosaki T","Sueda T"]

METHODS:BACKGROUND:Spinal cord ischemia (SCI) and paraplegia are complications of surgery for type A acute aortic dissection (TAAAD). Since the segmental arteries play a key role in SCI, this study evaluated the association between SCI and false lumen segmental arteries (FLSAs: segmental arteries originating from the false lumen). METHODS:The study included 101 consecutive TAAAD patients (mean age, 66±13; range, 34-89 years) who underwent surgery from January 2011 to April 2017. The diagnosis of TAAAD and the number of FSLAs were determined by preoperative computed tomography (CT). Patients were divided into two groups according to the number of FLSAs at the Th9-L2 level: Group A (N.=13), ≥8 FLSAs; and group B (N.=88), ≤7 FLSAs. Preoperative, perioperative, and postoperative findings were compared between the groups, and risk factors for SCI were evaluated. RESULTS:The frequency of preoperative paralysis was significantly higher in Group A than Group B (P=.0070). The overall incidence of postoperative SCI was 8% (8/101) and significantly higher in Group A than Group B (5/13 [45%] vs. 3/88 (4%), P<0.0001). Hospital mortality was 8% (8/101) and significantly higher in Group A than Group B (3/13 [23%] vs. 5/88 [6%], P=.0302). Multivariate analysis showed that the independent risk factors for SCI were ≥8 FLSAs at Th9-L2 (odds ratio [OR], 20.4; 95% confidence interval [95% CI], 3.34-124.9, P=0.0011) and diabetes mellitus (OR, 22.3; 95% CI, 1.69-294.5; P=0.0184). CONCLUSIONS:In patients who underwent surgery for TAAAD, ≥8 FLSAs at the Th9-L2 levels on preoperative CT was a risk factor for SCI.

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动脉瘤方向

动脉瘤是由于动脉壁的病变或损伤,形成动脉壁局限性或弥漫性扩张或膨出,以膨胀性、搏动性肿块为主要表现,可以发生在动脉系统的任何部位,而以肢体主干动脉、主动脉和颈动脉较为常见。

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