Results of the 2020 Survey of the American Alliance of Academic Chief Residents in Radiology.

RATIONALE AND OBJECTIVES: An annual survey of chief residents in accredited North American radiology programs is conducted by the American Alliance of Academic Chief Residents in Radiology (A3CR2). The purpose of this study is to summarize the 2020 A3CR2 chief resident survey. MATERIALS AND METHODS: An online survey was distributed to chief residents from 194 Accreditation Council on Graduate Medical Education-accredited radiology residencies. Questions were designed to gather information about residency program practices, benefits, fellowship or advanced interventional radiology (IR) training choices, and the integration of IR training. Subsets of questions focused on the perception of corporatization, non-physician providers (NPPs), and artificial intelligence (AI) in radiology and their relationship to the radiology job market. RESULTS: 174 individual responses from 94 programs were provided, yielding a 48 % program response rate. Extended emergency department coverage has steadily decreased over the last 5 years (2016-2020), however only 52 % of programs have independent overnight call (without attending coverage). Regarding the impact of new integrated IR residencies on training, 42 % indicated there was no appreciable impact on their DR or IR training, while 20 % indicated DR training for IR residents suffered and 19 % indicated IR training for DR residents suffered. Corporatization in radiology was perceived as the biggest potential threat to the future job market. CONCLUSIONS: Integration of IR residency did not detrimentally affect DR or IR training in most programs. Radiology resident perception of corporatization, NPPs, and AI may help residency programs shape educational content.

Results of the 2021-2022 Survey of the American Alliance of Academic Chief Residents in Radiology.

RATIONALE AND OBJECTIVES: An annual survey of chief residents in accredited North American radiology programs is conducted by the American Alliance of Academic Chief Residents in Radiology (A3CR2). Special topics surveyed for the 2021-2022 academic year were procedural competency and virtual radiology education in the COVID-19 pandemic. The purpose of this study is to summarize the 2021-2022 A3CR2 chief resident survey. MATERIALS AND METHODS: An online survey was distributed to chief residents from 197 Accreditation Council on Graduate Medical Education-accredited radiology residency programs. Chief residents responded to questions regarding their individual procedural readiness and attitudes on virtual radiology education. A single chief resident from each residency answered programmatic questions including the use of virtual education, faculty coverage, and fellowship choices among their graduating classes. RESULTS: We received 110 individual responses from 61 programs, yielding a 31% program response rate. Although the majority (80%) of programs maintained purely in-person attending readout throughout the COVID 19 pandemic, only 13% of programs reported purely in-person didactics and 26% converted to all virtual didactics. The majority (53%-74%) of chief residents perceived virtual learning (in read-out, case conference, and didactic formats) to be less effective than in-person learning. One third of chief residents reported decreased procedural exposure during the pandemic, and 7%-9% of chief residents felt uncomfortable with basic procedures (basic fluoroscopy examinations, basic aspiration/drainage procedures, and superficial biopsy procedures). The number of programs with 24/7 attending coverage increased from 35% in 2019 to 49% in 2022. Body, neuroradiology, and interventional radiology were the most popular advanced training options among graduating radiology residents. CONCLUSION: The COVID-19 pandemic had a profound impact on radiology training, particularly in terms of virtual learning. These survey results suggest that although digital learning offers increased flexibility, most residents still prefer in-person readout and didactics. Despite this, virtual learning will likely remain a viable option as programs continue to evolve following the pandemic.

Results of the 2019 Survey of the American Alliance of Academic Chief Residents in Radiology.

RATIONALE AND OBJECTIVES: An annual survey of chief residents in accredited North American radiology programs is conducted by the American Alliance of Academic Chief Residents in Radiology (A3CR2). The purpose of this study is to summarize the 2019 A3CR2 chief resident survey. MATERIALS AND METHODS: An online survey was distributed to chief residents from 194 Accreditation Council on Graduate Medical Education-accredited radiology residencies. Questions were designed to gather information about residency program details, call and weekend coverage, interventional radiology training, fellowship, social media use, healthcare reform, artificial intelligence, and job market status. RESULTS: One hundred and forty-two unique responses from 99 programs were provided, yielding a 51% program response rate. There was a mean of 7.3 women per residency with a mean program size of 28 residents (26% women). Only 3 of the 99 (3%) programs had a proportion of women that was 50% or higher. The proportion of women in radiology residencies is unchanged since 2014 (p= 0.93) and is significantly lower than 2019 graduating women medical students (49.3%; p < 0.001). Thirty-five percent of programs had 24/7 attending coverage and 40% of programs had extended hours attending shifts. Of programs without 24/7 attending coverage, the proportion of programs without face-to-face readout has increased from 34% in 2014 to 55% in 2019 (p = 0.015). The majority (67%) of respondents had no concerns about the radiology job market; compared to 2014, where only 4% had no concerns (p < 0.001). CONCLUSION: Women remain underrepresented in radiology, face-to-face readout is decreasing, and there has been a shift towards a positive job market outlook.

"What Program Directors Think" V: Results of the 2019 Spring Survey of the Association of Program Directors in Radiology (APDR).

RATIONALE AND OBJECTIVES: The Association of Program Directors in Radiology (APDR) surveys its membership annually on hot topics and new developments in radiology residency training. Here we report the results of that annual survey. MATERIALS AND METHODS: A web-based survey was posed to the APDR membership in the Fall of 2018. Members were asked 43 questions on program staffing, resident education resources/funding, impact of the integrated-Interventional Radiology residency program on Diagnostic Radiology program resources, resident interest in imaging informatics, Accreditation Council for Graduate Medical Education requirements on resident practice habits data reporting, institutional reliance on residents for clinical coverage, teaching format in the post-oral board era, resident conference attendance, confidentiality of the Match rank list, Early Specialization in Interventional Radiology pathway recruitment and selection, Diagnostic Radiology and Interventional Radiology program relationships, independent resident call, pediatric radiology training, diversity and unconscious bias training, and social media in radiology education. RESULTS: Responses were collected electronically, results were tallied using Qualtrics software, and qualitative responses were tabulated or summarized as comments. There were 86 respondents with a response rate of 31.3%. CONCLUSION: Survey result highlights include perceived resident interest in imaging informatics with the vast majority of residency programs offering an informatics curriculum; the provision of resident practice habits data by nearly all residency programs despite lack of clarity surrounding this Accreditation Council for Graduate Medical Education requirement; continued use of case-taking in the post-oral boards era; frequent disclosure of the Match rank list to departmental and hospital administration; low penetration of unconscious bias training in academic radiology; and finally, the successful integration of interventional and diagnostic radiology training programs.

A Snapshot of Radiology Training During the Early COVID-19 Pandemic.

PURPOSE: The COVID-19 pandemic transformed the personal and professional lives of radiology trainees. The purpose of this study was to broadly summarize the impact of COVID-19 on radiology trainees and their training programs via data collected during the early pandemic. MATERIALS AND METHODS: An online survey was distributed to radiology chief residents in residencies throughout North America with responses collected between March 20th, 2020 and May 15th, 2020, which coincided with the development of initial COVID-19 peaks in North America. A subset of COVID-19 pandemic questions included resident wellness, imaging opinions, residency infrastructure change, and opinions regarding the Core Exam delay. RESULTS: One hundred forty chief residents from 86 institutions responded to COVID-19-related questions. Nearly all responding programs (99%; 85/86) reported institutional positive cases of COVID-19. Most residents (94%; 132/140) thought laboratory testing provided more value than imaging. Fifty-seven percent of respondents (80/140) would use COVID-19-related terminology when encountering chest CT findings supportive of viral pneumonia in symptomatic patients. There was little reported change in the number of residents on call (no change reported in >80% of programs). Fifty-nine percent of residents (83/140) reported increased stress related to the COVID-19 pandemic. The majority of programs (93%) had fewer residents on service (80/86 responding programs). CONCLUSIONS: COVID-19 dramatically affected radiology residencies during the early pandemic period. As we enter future phases of the COVID-19 pandemic, careful thought should also be given to rebuilding the radiology resident experience.

Results of the 2015 Survey of the American Alliance of Academic Chief Residents in Radiology.

RATIONALE AND OBJECTIVES: The American Alliance of Academic Chief Residents in Radiology conducts an annual survey of chief residents in Diagnostic Radiology programs in North America. The survey serves as a resource for observing trends and disseminating ideas among radiology training programs. MATERIALS AND METHODS: An online survey was distributed to chief residents at 181 residency programs, with questions on a broad range of topics including resident benefits, program and call structure, American Board of Radiology Core exam preparation, fellowships, and the job market. RESULTS: A total of 193 individual responses were received from 120 programs, for a response rate of 66%. The responses were compared to data from prior years' surveys, principally from 2012 to 2014. CONCLUSIONS: Programs are shifting resident benefits spending toward Core exam preparation resources and away from lead aprons. In addition, 24-hour attending coverage continues to spread among programs, and the fraction of programs providing face-to-face postcall readouts continues to decline. Finally, although resident perception of the job market is now improving, residents feel that the job market continues to discourage medical students from entering radiology, a fact borne out by the 2015 match results. How the upcoming change to a direct interventional radiology residency will affect medical student interest is as yet uncertain.

Transcatheter therapy for hepatic malignancy: standardization of terminology and reporting criteria.

The field of interventional oncology includes tumor ablation as well as the use of transcatheter therapies such as embolization, chemoembolization, and radioembolization. Terminology and reporting standards for tumor ablation have been developed. The development of standardization of terminology and reporting criteria for transcatheter therapies should provide a similar framework to facilitate the clearest communication among investigators and provide the greatest flexibility in comparing established and emerging technologies. An appropriate vehicle for reporting the various aspects of catheter directed therapy is outlined, including classification of therapies and procedure terms, appropriate descriptors of imaging guidance, and terminology to define imaging and pathologic findings. Methods for standardizing the reporting of outcomes toxicities, complications, and other important aspects that require attention when reporting clinical results are addressed. It is the intention of the group that adherence to the recommendations will facilitate achievement of the group's main objective: improved precision and communication for reporting the various aspects of transcatheter management of hepatic malignancy that will translate to more accurate comparison of technologies and results and, ultimately, to improved patient outcomes.

Hepatic metastasis from uveal melanoma: angiographic pattern predictive of survival after hepatic arterial chemoembolization.

OBJECTIVE: To identify clinical features associated with survival after hepatic arterial chemoembolization (HACE) for uveal melanoma metastasis. METHODS: Retrospective case series including 11 men and 10 women with uveal melanoma metastasis. RESULTS: The hepatic angiographic pattern of metastasis was infiltrative in 12 patients (57%) and nodular in 9 patients (43%). The infiltrative pattern was associated with ciliary body involvement by the primary tumor (Fisher exact test, P = .01) and extrascleral tumor extension (Fisher exact test, P = .01). Mean survival after the first HACE treatment was 7.6 months overall, 3.7 months for the patients with the infiltrative pattern, and 12.7 months for those with the nodular pattern. This difference was highly significant (Kaplan-Meier, P < .001). Chromosome 8p was found to be deleted in 4 patients with the infiltrative pattern and in no patients with the nodular pattern. CONCLUSIONS: The hepatic metastasis pattern can be used to predict response to and survival after HACE. Loss of chromosome 8p may be a biomarker for the infiltrative metastasis pattern. Hepatic arterial chemoembolization may play an important role in the treatment of hepatic metastasis from uveal melanoma in patients with the nodular metastatic pattern. Regular screening for hepatic metastasis in patients with uveal melanoma may be beneficial in identifying those who would benefit from HACE.

Chemoembolization of hepatocellular carcinoma: patient status at presentation and outcome over 15 years at a single center.

OBJECTIVE: We report the outcome of the care of 209 patients with hepatocellular carcinoma with a focus on relevant scoring systems for predicting overall survival and time to progression and on changes in presentation status and outcome from 1991 to 2006. MATERIALS AND METHODS: Hepatic arterial chemoembolization was performed on 209 patients in 375 sessions. Disease status was evaluated with the Child-Pugh, Okuda, Cancer of the Liver Italian Program, and American Joint Committee on Cancer (AJCC) systems. Changes in status at presentation from 1991 to 2006 and change in overall survival period and time to progression were analyzed. RESULTS: Median and mean overall survival periods for the entire group were 376 and 574 +/- 61 days. Median and mean times to progression were 267 and 409 +/- 54 days. Forty-nine patients underwent liver transplantation a median of 143 days after chemoembolization. The median and mean overall survival times among patients not undergoing transplantations were 466 and 574 +/- 61 days. Okuda score (p < 0.0001) and AJCC stage (p = 0.014) were the best predictors of overall survival and time to progression, respectively. Patients with disease with an Okuda I score and in AJCC stage I or II had median and mean overall survival periods of 667 and 992 +/- 176 days and times to progression of 378 and 589 +/- 110 days. Clinical status at presentation, overall survival period (p = 0.64), and time to progression (p = 0.44) were unchanged from 1991 to 2006. The 30-day mortality was 3.2%. CONCLUSION: Patients treated with hepatic arterial chemoembolization for HCC in Okuda score I and AJCC stage I or II have more durable survival than previously reported in a U.S. population.

Hepatic arterial chemoembolization for management of metastatic melanoma.

OBJECTIVE: Hepatic arterial chemoembolization is an accepted therapy for stage 4 melanoma with liver-dominant metastasis. However, the reports of outcomes are limited. We present our outcomes with hepatic arterial chemoembolization for metastasis of stage 4 melanoma. MATERIALS AND METHODS: Twenty patients with liver-dominant metastasis of ocular or cutaneous melanoma were treated with hepatic arterial chemoembolization. Overall survival and progression-free survival rates were calculated from the first treatment. Patients with intrahepatic tumor progression were treated with additional hepatic arterial chemoembolization. Both overall survival and progression-free survival were analyzed with the Kaplan-Meier method. Tumor pattern on angiography was characterized as either nodular or infiltrative on the basis of angiographic appearance. RESULTS: The 20 patients underwent 46 hepatic arterial chemoembolization sessions (mean, 2.4 sessions; range, 1-5). The mean and median overall survival times were 334 +/- 71 and 271 days, respectively. There were no deaths within 30 days of treatment. Thirteen of the 20 patients had progression of disease. The mean and median progression-free survival times for these patients were 231 +/- 42 and 185 days, respectively. Patients with lesions that had a nodular angiographic appearance had longer progression-free survival than patients with lesions that had an infiltrative appearance (mean progression-free survival time, 249 vs 63 days). Patients with lesions that had a nodular angiographic appearance also survived significantly longer than those with lesions that had an infiltrative angiographic pattern (mean overall survival time, 621 vs 114 days; p = 0.0002). CONCLUSION: Hepatic arterial chemoembolization for liver-dominant metastasis of stage 4 melanoma is a safe treatment that results in longer survival than has occurred among historical controls. Patients with lesions that have a nodular tumor appearance on angiography survive significantly longer than patients with lesions that have an infiltrative appearance on angiography.

Transcatheter therapy for hepatic malignancy: standardization of terminology and reporting criteria.

The field of interventional oncology includes tumor ablation as well as the use of transcatheter therapies such as embolization, chemoembolization, and radioembolization. Terminology and reporting standards for tumor ablation have been developed. The development of standardization of terminology and reporting criteria for transcatheter therapies should provide a similar framework to facilitate the clearest communication among investigators and provide the greatest flexibility in comparing established and emerging technologies. An appropriate vehicle for reporting the various aspects of catheter directed therapy is outlined, including classification of therapies and procedure terms, appropriate descriptors of imaging guidance, and terminology to define imaging and pathologic findings. Methods for standardizing the reporting of outcomes toxicities, complications, and other important aspects that require attention when reporting clinical results are addressed. It is the intention of the group that adherence to the recommendations will facilitate achievement of the group's main objective: improved precision and communication for reporting the various aspects of transcatheter management of hepatic malignancy that will translate to more accurate comparison of technologies and results and, ultimately, to improved patient outcomes.

Long-term outcome after chemoembolization and embolization of hepatic metastatic lesions from neuroendocrine tumors.

OBJECTIVE: Hepatic artery chemoembolization and hepatic artery embolization (HAE) are accepted treatments of patients with hepatic metastasis from neuroendocrine tumors. Long-term outcome data are limited. We present our experience in the use of hepatic artery chemoembolization in the treatment of patients with hepatic metastasis from neuroendocrine tumors. MATERIALS AND METHODS: Forty-six patients with carcinoid (n = 31) or islet cell (n = 15) tumors were treated. Overall and progression-free survival times starting with the first treatment were calculated. Potential factors affecting survival, including presence of extrahepatic disease and resection of the primary lesion, were analyzed. Relief of symptoms was subjectively determined for tumors with hormonal secretion. RESULTS: The 46 patients underwent 93 hepatic artery chemoembolization or HAE sessions. The mean overall survival time for the entire group was 1,273 +/- 185 days. The mean overall survival times for the carcinoid (1,255 +/- 163 days) and islet cell tumor (1,311 +/- 403 days) subgroups were similar (p = 0.66). The progression-free survival times for the carcinoid (602 +/- 144 days) and islet cell (501 +/- 107 days) tumor subgroups also were similar (p = 0.72). The survival time of patients without known extrahepatic metastasis (n = 18; 1,571 +/- 291 days) trended toward significance compared with that of patients with known extrahepatic disease (n = 26; 770 +/- 112 days; p = 0.08). Resection of the primary tumor in 19 of 46 patients did not affect survival (resection survival, 1,558 +/- 400 days; nonresection survival, 1,000 +/- 179 days; p = 0.44). Twenty of 25 patients with hormonally active tumors had relief of symptoms after one cycle of treatment. The 30-day mortality was 4.3%. CONCLUSION: The overall survival time after hepatic artery chemoembolization or HAE among patients with neuroendocrine tumors is approximately 3.5 years. The progression-free survival time approaches 1.5 years. The presence of extrahepatic metastasis or an unresected primary tumor should not limit the use of hepatic artery chemoembolization or HAE.

Pre-liver transplantation locoregional adjuvant therapy for hepatocellular carcinoma as a strategy to improve longterm survival.

BACKGROUND: Preorthotopic liver transplantation locoregional therapy (LRT) for hepatocellular carcinoma (HCC) reduces drop-out rates in patients awaiting orthotopic liver transplantation (OLT). In this study, we investigated the efficacy of LRT as a strategy to improve longterm survival after transplantation. STUDY DESIGN: A retrospective analysis of prospectively collected data identified 100 patients with HCC who underwent OLT between 1985 and 2005. Of these, 46 received LRT in the form of transarterial chemoembolization, radiofrequency ablation, percutaneous ethanol injection, or a combination of these. RESULTS: The 1-, 3-, and 5-year survivals, regardless of LRT, were 81.3%, 66.1%, and 61.3%, respectively. Demographic data and waiting time for OLT were similar between LRT and untreated groups. Pre-OLT radiologic stage was comparable (LRT: 2.11 +/- 0.74 versus Untreated: 2.39 +/- 0.94; p = 0.16). At the time of transplantation, the LRT group had notable tumor downstaging (1.50 +/- 1.34 versus 2.49 +/- 1.17; p = 0.008). The LRT group had better 5-year survival (82.4% versus 51.8%; p = 0.01), but this improvement was observed in patients with HCC stages II, III, and IV (77.6% versus 37.4%; p = 0.016). Sixteen LRT patients, and none untreated, revealed complete tumor necrosis with no viable tumor cells on explant pathology (pT0). These patients did not experience any longterm recurrence, in contrast to those with similar pre-OLT tumors. CONCLUSIONS: OLT is a viable treatment option for primary HCC. LRT substantially downstages the primary tumor and improves longterm survival in patients with advanced disease. Complete tumor necrosis with LRT is associated with excellent longterm recurrence-free survival.

Practice building in interventional oncology.

Interventional Oncology is an exciting area of Interventional Radiology that represents one of the most rapidly expanding areas in the specialty. These vascular and nonvascular procedures are similar to or identical to other procedures performed by Interventional Radiologists, making practice development feasible in both the academic and private sectors. In this article, practical methods to target and expand individual practices are addressed along with ways to use physician extenders to maximize efficiency in practice.

The role of interventional radiology in trauma.

Since the development of angiography and transcatheter techniques, interventional radiology has played an important role in the management of trauma patients. The ability to treat life-threatening hemorrhage with transcatheter embolization has spared countless patients the morbidity of surgery. Advances in cross-sectional imaging and increases in understanding of which patients will best benefit from embolization promise to further refine the interventional radiologist's role. As the applications of transcatheter therapy broaden to include embolization of unstable patients with solid organ injuries and endovascular repair of major arterial injuries, the interventional radiologist must be increasingly prepared to provide prompt, efficient, and high-quality service.