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1.
《Journal of vascular and interventional radiology : JVIR》2021,32(11):1584-1590
PurposeTo determine whether subtherapeutic anticoagulation regimens are noninferior to therapeutic anticoagulation regimens following stent placement for nonthrombotic lower extremity venous disease.Materials and MethodsFifty-one consecutive patients (88% women; mean age, 44 years) who underwent stent placement for nonthrombotic lower extremity venous disease between 2002 and 2016 were retrospectively identified. The patients were divided into 2 cohorts: those who received prophylactic enoxaparin or no anticoagulation (subtherapeutic) after the procedure and those who received therapeutic doses of anticoagulation with enoxaparin, warfarin, and/or rivaroxaban (therapeutic) after the procedure. Baseline demographic characteristics, procedure characteristics, and outcomes were compared between the 2 groups using the Student t test, Fisher exact test, and χ2 test. The subtherapeutic and therapeutic anticoagulation groups did not differ significantly in the baseline demographic characteristics (eg, sex, race, and age) or procedure characteristics (eg, number of stents placed, stent brand, stent diameter, etc).ResultsThe mean clinical follow-up time was 4.4 years (range, 0–16.3 years). There were no thrombotic adverse events or luminal obstructions due to in-stent restenosis in either group. There were 5 minor bleeding adverse effects in the therapeutic group and no bleeding adverse effects in the subtherapeutic group (P = .051). There were no statistically significant differences in subjective symptom improvement (P = .75).ConclusionsIn this retrospective cohort, the subtherapeutic and therapeutic anticoagulation regimens produced equivalent outcomes in terms of adverse event rates, reintervention rates, and symptomatic improvement, suggesting that therapeutic doses of anticoagulation do not improve outcomes compared with subtherapeutic anticoagulation regimens following nonthrombotic venous stent placement. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2022,33(6):619-626.e1
PurposeTo test the hypothesis that interventional radiologists (IRs) and neurointerventional (NI) physicians have similar outcomes of endovascular stroke thrombectomy (EVT), which could be used to improve the availability of thrombectomy.Materials and MethodsEight hospitals providing EVT performed by IRs and NI physicians at the same institution submitted sequential retrospective data limited to the era of modern devices. Good clinical outcomes (a 90-day modified Rankin score [mRS] of 0–2) and technically successful revascularization (a modified thrombolysis in cerebral infarction score of ≥2b) were compared between the specialties after adjusting for treating hospital, patient age, stroke severity, Alberta stroke program early computed tomography score, time from symptom onset to door, and clot location. Propensity score matching was used to compare the outcomes. A total of 1,009 patients were evaluated (622 treated by IRs and 387 treated by NI physicians).ResultsThe median time from stroke onset to puncture was 245 versus 253 minutes (P = .49), the technically successful revascularization rate was 81.8% versus 82.4% (P = .81), and the good clinical outcome rate was 45.5% versus 50.1% (P = .16). After adjusting, the physician specialty was not a significant predictor of good clinical outcomes (odds ratio, 1.028; 95% confidence interval, 0.760–1.390; P = .86). After matching, an mRS of 0–2 was present in 47.7% of IR treated patients and 51.1% of NI treated patients (P = .366).ConclusionsThere were no significant differences in the successful revascularization rate and good clinical outcomes between IRs and NI physicians. The outcomes of EVT performed by IRs were similar to those of EVT performed by NI physicians, as determined using previously published trials and registries. This may be useful for addressing coverage and access to stroke interventions. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2020,31(4):607-613.e1
PurposeTo characterize burnout, as defined by high emotional exhaustion (EE) or depersonalization (DP), among interventional radiologists using a validated assessment tool.Materials and MethodsAn anonymous 34-question survey was distributed to interventional radiologists. The survey consisted of demographic and practice environment questions and the 22-item Maslach Burnout Inventory–Human Services Survey (MBI). Interventional radiologists with high scores on EE (≥ 27) or DP (≥ 10) MBI subscales were considered to have a manifestation of career burnout.ResultsBeginning on January 7, 2019, 339 surveys were completed over 31 days. Of respondents, 263 (77.6%) identified as male, 75 (22.1%) identified as female, and 1 (0.3%) identified as trans-male. The respondents were interventional radiology attending physicians (298; 87.9%), fellows (20; 5.9%), and residents (21; 6.2%) practicing at academic (136; 40.1%), private (145; 42.8%), and hybrid (58; 17.1%) centers. Respondents worked < 40 hours (15; 4.4%), 40–60 hours (225; 66.4%), 60–80 hours (81; 23.9%), and > 80 hours (18; 5.3%) per week. Mean MBI scores for EE, DP, and personal achievement were 30.0 ± 13.0, 10.6 ± 6.9, and 39.6 ± 6.6. Burnout was present in 244 (71.9%) participants. Identifying as female (odds ratio 2.4; P = .009) and working > 80 hours per week (odds ratio 7.0; P = .030) were significantly associated with burnout.ConclusionsBurnout is prevalent among interventional radiologists. Identifying as female and working > 80 hours per week were strongly associated with burnout. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2022,33(12):1476-1484.e2
PurposeTo evaluate temporal trends, practice variation, and associated outcomes with the use of intravascular ultrasound (US) during deep venous stent placement among Medicare beneficiaries.Materials and MethodsAll lower extremity deep venous stent placement procedures performed between January 1, 2017, and December 31, 2019 among Medicare beneficiaries were included. Temporal trends in intravascular US use were stratified by procedural setting and physician specialty. The primary outcome was a composite of 12-month all-cause mortality, all-cause hospitalization, or repeat target vessel intervention. The secondary outcome was a composite of 12-month stent thrombosis, embolization, or restenosis.ResultsAmong the 20,984 deep venous interventions performed during the study period, 15,184 (72.4%) utilized intravascular US. Moderate growth in intravascular US use was observed during the study period in all clinical settings. There was a variation in the use of intravascular US among all operators (median, 77.3% of cases; interquartile range, 20.0%–99.2%). In weighted analyses, intravascular US use during deep venous stent placement was associated with a lower risk of both the primary (adjusted hazard ratio, 0.72; 95% confidence interval [CI], 0.69–0.76; P < .001) and secondary (adjusted hazard ratio, 0.32; 95% CI, 0.27–0.39; P < .001) composite end points.ConclusionsIntravascular US is frequently used during deep venous stent placement among Medicare beneficiaries, with further increase in use from 2017 to 2019. The utilization of intravascular US as part of a procedural strategy was associated with a lower cumulative incidence of adverse outcomes after the procedure, including venous stent thrombosis and embolization. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2020,31(2):251-259.e2
PurposeTo study short-term and long-term outcomes of lower extremity venous stents placed at a single center and to characterize changes in vein diameter achieved by stent placement.Materials and MethodsA database of all patients who received lower extremity venous stents between 1996 and 2018 revealed 1,094 stents were placed in 406 patients (172 men, 234 women; median age, 49 y) in 513 limbs, including patients with iliocaval stents (9.4% acute thrombosis, 65.3% chronic thrombosis, 25.3% nonthrombotic lesions). Primary, primary assisted, and secondary patency rates were assessed for lower extremity venous stents at 1, 3, and 5 years using Kaplan-Meier analyses and summary statistics. Subset analyses and Cox regression were performed to identify risk factors for patency loss. Vein diameters and Villalta scores before and up to 12 months after stent placement were compared. Complication and mortality rates were calculated.ResultsPrimary, primary assisted, and secondary patency rates at 5 years were 57.3%, 77.2%, and 80.9% by Kaplan-Meier methods and 78.6%, 90.3%, and 92.8% by summary statistics. Median follow-up was 199 days (interquartile range, 35.2–712.0 d). Patency rates for the subset of patients (n = 46) with ≥ 5 years of follow-up (mean ± SD 9.1 y ± 3.4) were nearly identical to cohort patency rates at 5 years. Patients with inferior vena cava stent placement (hazard ratio 2.11, P < .0001) or acute thrombosis (hazard ratio 3.65, P < .0001) during the index procedure had significantly increased risk of losing primary patency status. Vein diameters were significantly greater after stent placement. There were no instances of stent fracture, migration, or structural deformities. In patients with chronic deep vein thrombosis, Villalta scores significantly decreased after stent placement (from 15.7 to 7.4, P < .0001). Perioperative mortality was < 1%, and major perioperative complication rate was 3.7%.ConclusionsCavo-ilio-femoral stent placement for venous occlusive disease achieves improvement of vein disease severity scores, increase in treated vein diameters, and satisfactory long-term patency rates. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2022,33(2):189-196
PurposeTo compare the effectiveness and safety of percutaneous transluminal angioplasty and peripherally inserted central catheter (PTA + PICC), contralateral PICC, and midline catheterization (MC) in patients with venous stenosis.Materials and MethodsA total of 7,327 PICC procedures were performed in 5,421 patients at a single institution between 2013 and 2019. Among them, 87 patients had upper-arm venous stenoses and were managed with PTA + PICC, contralateral PICC, or MC. Data on catheter-dwell time, clinical success rate, and adverse events were recorded. The procedure was considered to have clinically succeeded when a PICC was removed from the patient just before discharge or after the completion of therapy. Catheter survival time and the chance of adverse events were compared among the groups using the Kaplan-Meier method and log-rank test.ResultsPTA + PICC, contralateral PICC, and MC procedures were performed for 57 (65.5%, 57/87), 10 (11.5%, 10/87), and 20 (23.0%, 23/87) patients, respectively. The mean catheter-dwell time in the PTA + PICC, contralateral PICC, and MC groups was 49.7, 28.7, and 15.1 days, respectively, and the clinical success rate of each group was 86.0% (49/57), 80.0% (8/10), and 50.0% (10/20). The PTA + PICC group had a significantly longer catheter survival time than the MC group (P < .001). The chance of a catheter-related infection (P = .008) was significantly lower in the PTA + PICC group than in the MC group.ConclusionsPTA + PICC or contralateral PICC should be considered prior to ipsilateral MC when venous stenosis is encountered during PICC procedures. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2023,34(8):1291-1302.e1
The discovery of increasing numbers of actionable molecular and gene targets for cancer treatment has driven the demand for tissue sampling for next-generation sequencing (NGS). Requirements for sequencing can be very specific, and inadequate sampling leads to delays in management and decision making. It is important that interventional radiologists are aware of NGS technologies and their common applications and be cognizant of the factors that contribute to successful sample sequencing. This review summarizes the fundamentals of cancer tissue collection and processing for NGS. It elaborates on sequencing technologies and their applications with the aim of providing readers with a working understanding that can enhance their clinical practice. It then describes imaging, tumor, biopsy, and sample collection factors that improve the chances of NGS success. Finally, it discusses future practice, highlighting the problem of undersampling in both clinical and research settings and the opportunities within interventional radiology to address this. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2020,31(8):1308-1314
PurposeTo investigate the prevalence of musculoskeletal symptoms, defined as aches, pains, discomfort, or numbness, by using a validated assessment tool among interventional radiologists.Materials and MethodsA Web-based survey using the Nordic Musculoskeletal Questionnaire was disseminated to interventional radiologist members by email in November 2015. Musculoskeletal symptoms were evaluated in 9 body areas. Information regarding participant demographics, practice details, use of radio-protective equipment, and exercise routines was also gathered. Univariate and multivariate analyses were performed to determine risk factors associated with more severe symptoms.ResultsOf 4,096 SIR members at the time of the survey, 640 completed the questionnaire in its entirety (16% response rate). Respondents consisted of 69 females (11%) and 571 males (89%), with a mean age of 47.5 ± 10.2 years old, a mean body mass index of 25.5 ± 3.9 kg/m2, and a mean practice length of 17.1 ± 9.8 years. Prevalence of musculoskeletal symptoms was 88% in the 12 months preceding the survey. For those reporting musculoskeletal issues, 58% attributed the symptoms to work-related activities. Lower back (61%), neck (56%), and shoulder complaints (46%) were the most common. Symptoms prevented 21.2% of respondents from being able to work over the same time period. Multivariate analysis identified female gender, above-normal body mass index, and a practice length of 10 years or more as factors associated with a higher risk of moderate-to-severe symptoms.ConclusionsMusculoskeletal symptoms are prevalent among interventional radiologists, the majority of which are attributed to work-related causes. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2023,34(9):1599-1608.e29
PurposeTo assess the attitudes of interventional radiologists (IRs) and diagnostic radiologists (DRs) toward exclusive contracts and independently practicing IRs who may request privileges at a hospital where an exclusive contract exists with a different group of radiologists.Materials and MethodsA total of 22,400 survey instruments were distributed to 4,490 IRs and 17,910 DRs in the United States. Statistical evaluation included multivariate ordinal logistic regression analysis with calculation of the odds ratios and forest plots.ResultsCompleted surveys were received from 525 (11.69%) IRs and 401 (2.23%) DRs. Given the low response rate of DRs, data analysis was focused on IRs. Early-career IRs and those in outpatient practices had a more positive attitude toward independent IRs who requested admitting and/or procedural privileges. A supermajority of both IRs and DRs who responded to the survey agreed that the importance of IR to hospital and health system contracts will increase.ConclusionsThis survey identified many interrelated and complex variables that significantly affected the attitudes of IRs in various practice settings toward independent IRs requesting hospital admitting and/or procedural privileges. It will benefit independent IRs seeking admitting privileges to better understand some of the factors that impact the potential willingness of the radiology groups and other IRs with exclusive hospital contracts to work toward mutually beneficial practice paradigms, especially as more clinically oriented IRs complete their training in the new, integrated residency programs. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2022,33(12):1485-1491.e1
PurposeTo assess the midterm patency and long-term safety of placement of a dedicated venous stent (Vici Venous Stent System) for the treatment of venous lesions of the iliofemoral outflow tract.Materials and MethodsPatients with unilateral obstructive disease of the iliofemoral veins and a Clinical, Etiological, Anatomical, Pathophysiological class of 3 or higher or a Venous Clinical Severity Score of 2 or greater were enrolled in this prospective, multicenter, single-arm study at 23 sites in the United States and Europe. The patients were followed up for 36 months after the index procedure for the assessment of patency and up to 60 months for the assessment of safety. The clinical outcomes in 11 patients with a stent fracture were assessed.ResultsA total of 200 patients enrolled in 2 cohorts (ie, feasibility cohort, n = 30; pivotal cohort, n = 170) were combined for this analysis. The overall 36-month primary patency rate was 71.7% (86/120), and the 36-month primary patency rate was 96.4% (27/28) for the nonthrombotic group and 64.1% (59/92) for the postthrombotic group. The freedom from major adverse events was 81.2% (53/65) through 60 months. The 60-month Kaplan-Meier estimate of freedom from target vessel revascularization (TVR) was 84.3%. In 9 of the 11 patients who had a stent fracture (1 patient with nonthrombotic etiology and 10 patients with postthrombotic etiology) identified at 12 months, the stents extended into the common femoral vein. The TVR rates and clinical outcomes were similar between patients with and without a stent fracture.ConclusionsThe results of the VIRTUS study demonstrated good midterm patency and long-term safety following the placement of a dedicated venous stent for iliofemoral obstruction. 相似文献
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Chu-Hui Zeng Jian Lu Hai-Dong Zhu Gao-Jun Teng 《Journal of vascular and interventional radiology : JVIR》2021,32(7):974-982
PurposeTo evaluate the current status of women interventional radiologists in China and discuss possible measures to boost their representation in this male-dominated field for a more diverse workplace environment in the future.Materials and MethodsThe list of Chinese interventional radiologists obtained from the Chinese College of Interventionalists was retrospectively reviewed. Key information was extracted from the database, including sex, chronologic trends of representation of women interventional radiologists, position, education level, geographic distribution, interventional radiology (IR) practice time, departmental affiliation, and hospital classification.ResultsOf the 13,855 entries, 7,324 (52.9%) were interventional radiologists having valid information. Among them, 684 (9.3%) were identified as women. The number of women interventional radiologists has continued to increase since the first woman registered in 1992. The average age of women interventional radiologists was 39.1 years ± 5.7 (range, 26–50). The majority of them were attending physicians (n = 280; 40.9%) with a bachelor’s degree (n = 363; 53.1%). Most women interventional radiologists (n = 215, 31.4%) joined this specialty 5–9 years after becoming physicians, whereas 128 (18.7%) started practicing IR from the very beginning. A total of 42.4% of women interventional radiologists were from the departments of IR and cardiology.ConclusionsAlthough the total number shows an upward trend, women interventional radiologists are still underrepresented. Education level, geographic areas, and other socioeconomic factors may simultaneously influence the population size of women interventional radiologists in China. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2022,33(10):1240-1246
PurposeTo assess whether adherence to a postprocedural closeout (PPC) checklist decreases adverse events during image-guided procedures.Materials and MethodsBased on the analysis of prior adverse events related to image-guided procedures, the Radiology Quality Committee developed a PPC checklist. The rates of serious reportable events related to image-guided procedures performed in the radiology department were recorded annually from 2015 to 2021. The rate of adverse events was normalized to the procedure volume in the corresponding periods. The number of patients requiring repeat procedures was recorded. The severity of impact was classified according to the Society of Interventional Radiology Adverse Event Classification System. The annual rates before (2015 and 2016) and after (2017–2021) the implementation of PPC were compared.ResultsSeventy-seven safety reports were identified in image-guided procedures over the study period, of which 43 cases were not related to the PPC, leaving 34 cases for the analysis. Radiology adverse events decreased from 0.069% (14/20,218, 7/y) before PPC implementation to 0.034% (20/58,793, 4/y) after implementation (P = .05, 43% decrease). Radiology repeat procedures decreased from 0.040% (8/20,218, 4/y) before PPC implementation to 0.007% (4/58,793, 0.8/y) after implementation (P = .0033, 80% decrease). Moreover, severity of adverse events decreased (P = .009).ConclusionsImplementation of a PPC checklist improved patient outcomes by decreasing the number of adverse events that occur from inadequate safety processes at the end of image-guided procedures by 43%, need for repeat procedures by 80%, and severity of impact of errors. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2023,34(5):902-909
PurposeTo evaluate the feasibility of a new technique for imaging-guided de novo retrograde ureteral double J (DJ) stent placement without cystoscopy in women.Materials and MethodsEighty-four women referred for ureteral stent placement between April 2019 and January 2022 were included. In all the patients, the initial attempt for stent placement was performed in a retrograde fashion. Successful ureteral catheterization and DJ stent placement were considered as technical success. The fluoroscopy time required to catheterize the ureter and that for the entire procedure were recorded. Factors affecting the technical success rate and fluoroscopy time were examined.ResultsA total of 108 ureteral stent placement procedures in 84 women, with a mean age of 57.5 years (range, 19–85 years), were performed. The most common underlying pathologies were cervical (n = 33, 31%) and ovarian (n = 32, 30%) carcinomas. The most commonly involved segments of the ureter were the lower half (n = 44, 40%) and trigone (n = 39, 36%). The technical success rate was 81.5%, and it reached 93% in the case of lower-half ureteral obstruction. Distorted trigonal anatomy caused by external compression of the bladder wall by a mass was associated with a higher rate of technical failure (90.6% vs 47.8%; P < .001). The use of ultrasound guidance to guide the sheath to the ureteral orifice allowed for a significant decrease in the fluoroscopy time for ureteral catheterization (4.6 minutes ± 3.91 vs 2.26 minutes ± 2.32; P = .003) and that for the entire procedure (9.42 minutes ± 4.95 vs 5.93 minutes ± 4.06; P = .001).ConclusionsImaging-guided de novo retrograde ureteral catheterization and stent placement can be successfully performed in a high percentage of patients within a reasonable fluoroscopy time without the need for cystoscopy in women. 相似文献
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Saebeom Hur Alexey Gurevich Gregory Nadolski Maxim Itkin 《Journal of vascular and interventional radiology : JVIR》2021,32(6):896-900
Chyluria is the leakage of intestinal lymph (chyle) into the urine. Novel lymphatic intervention techniques, such as interstitial lymphatic embolization, proved to be a useful treatment option for chyluria. However, one of the challenges of this approach is the difficulty in identifying connections between the lymphatic system and kidney collecting system. Here, embolization of the abnormal lymphatic connection through retrograde thoracic duct access in 3 chyluria patients is introduced. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2020,31(4):564-571
PurposeTo assess use of stereotactic body radiotherapy (SBRT) for stage I renal cell carcinoma (RCC) and compare outcomes with thermal ablation and partial nephrectomy (PN).Materials and MethodsThe 2004–2015 National Cancer Database was investigated for histopathologically proven stage I RCC treated with PN, cryoablation, radiofrequency (RF) or microwave (MW) ablation, or SBRT. Patients were propensity score–matched to account for potential confounders, including patient age, sex, race, comorbidities, tumor size, histology, grade, tumor sequence, administration of systemic therapy, treatment in academic vs nonacademic centers, treatment location, and year of diagnosis. Overall survival (OS) was evaluated with Kaplan-Meier plots, log-rank tests, and Cox proportional hazards models.ResultsA total of 91,965 patients were identified (SBRT, n = 174; PN, n = 82,913; cryoablation, n = 5,446; RF/MW ablation, n = 3,432). Stage I patients who received SBRT tended to be older women with few comorbidities treated at nonacademic centers in New England states. After propensity score matching, a cohort of 636 patients was obtained with well-balanced confounders between treatment groups. In the matched cohort, OS after SBRT was inferior to OS after PN and thermal ablation (PN vs SBRT, hazard ratio [HR] = 0.29, 95% confidence interval [CI] 0.19–0.46, P < .001; cryoablation vs SBRT, HR = 0.40, 95% CI 0.26–0.60, P < .001; RF/MW ablation vs SBRT, HR = 0.46, 95% CI 0.31–0.67, P < .001). Compared with PN, neither cryoablation nor RF/MW ablation showed significant difference in OS (cryoablation vs PN, HR = 1.35, 95% CI 0.80–2.28, P = .258; RF/MW ablation vs PN, HR = 0.64, 95% CI 0.95–2.55, P = .079).ConclusionsCurrent SBRT protocols show lower OS compared with thermal ablation and PN, whereas thermal ablation and PN demonstrate comparable outcomes. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2023,34(5):745-749
PurposeTo evaluate the safety and efficacy of outpatient transarterial embolization for symptomatic refractory internal hemorrhoids.Materials and MethodsRetrospective analysis of 134 patients who underwent hemorrhoidal artery embolization (HAE) for symptomatic internal hemorrhoids between August 2021 and June 2022 (76 men and 58 women) was performed. The mean age was 54.9 years, with a mean Goligher hemorrhoid grade (HG) of 2.1. Branches of the superior rectal artery (SRA) or middle rectal artery supplying the corpus cavernosum recti were embolized with both spherical particles and microcoils. Standard-of-care evaluations were performed at baseline and the 1 month follow-up, which included hemorrhoid-related pain (HRP) (0–10), hemorrhoid symptoms score (HSS) (5–20), quality of life (QoL) (0–4), French bleeding score (FBS) (0–9), and HG (0–4). Clinical success was defined as improvement of symptoms without additional treatment.ResultsEmbolization of at least 1 hemorrhoidal artery was achieved in 133 (99%) of the 134 patients. The mean number of SRA branches embolized per patient was 2.9 ± 1.0. Clinical success was seen in 93% (124 of 134) of patients at the 1-month follow-up, with 10 patients requiring repeat embolization. There were significant improvements in all mean outcomes at 1 month: HSS (11–7.8; P < .01), HRP (4.1–1.3; P < .01), QoL (2.2–0.8; P < .01), FBS (4.4–2.2; P < .01), and HG (2.3–1.2; P < .05). There were no severe adverse events.ConclusionsHAE is a safe and effective outpatient treatment for refractory symptomatic internal hemorrhoids in the short term. 相似文献
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《Journal of vascular and interventional radiology : JVIR》2020,31(2):276-281.e1
PurposeTo assess the utility of routine preprocedural bloodwork during elective removal of central venous access devices (CVADs) with respect to bleeding complications.Materials and MethodsPatients who underwent removal of a CVAD (tunneled central venous catheter [CVC] or port) by the interventional radiology service between January 2009 and December 2013 were retrospectively reviewed. Removals for infection or malfunction, without preprocedural bloodwork, with another concurrent procedure at the time of CVAD removal, or in patients with a bleeding dyscrasia were excluded. Peripherally inserted central catheter removals and temporary CVAD removals were also excluded. Routine preprocedural bloodwork included hemoglobin, platelet count, partial thromboplastin time, and International Normalized Ratio. Postprocedural complications were classified according to the Society of Interventional Radiology clinical practice guidelines.ResultsThere were 802 CVAD removals in 777 patients (351 female, 426 male). Average patient age was 8.6 years (range, 5 wk to 19 y). In total, 246 permanent CVCs and 556 ports were removed. A total of 802 cases had preprocedural bloodwork. Of the 49 patients who had a bleeding complication after the procedure (6.1%; 49 of 802), 44 had normal findings on preprocedural bloodwork and 5 had abnormal findings. There was no statistically significant difference in bleeding complications between those with normal and abnormal bloodwork results (P = .7740).ConclusionsRoutine bloodwork is not necessary before elective CVAD removal in children without a bleeding dyscrasia. Most children have normal findings on preprocedural bloodwork, and the incidence of postprocedural bleeding is low and not determined by bloodwork results. 相似文献