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1.
Radiology ; 301(1): 123-130, 2021 10.
Article in English | MEDLINE | ID: mdl-34374592

ABSTRACT

Background Reliance on examination reporting of unexpected imaging findings does not ensure receipt of findings or appropriate follow-up. A closed-loop communication system should include provider and patient notifications and be auditable through the electronic health record (EHR). Purpose To report the initial design of and results from using an EHR-integrated unexpected findings navigator (UFN) program that ensures closed-loop communication of unexpected nonemergent findings. Materials and Methods An EHR-integrated UFN program was designed to enable identification and communication of unexpected findings and aid in next steps in findings management. Three navigators (with prior training as radiologic technologists and sonographers) facilitated communication and documentation of results to providers and patients. Twelve months (October 2019 to October 2020) of results were retrospectively reviewed to evaluate patient demographics and program metrics. Descriptive statistics and correlation analysis were performed by using commercially available software. Results A total of 3542 examinations were reported within 12 months, representing 0.5% of all examinations performed (total of 749 649); the median patient age was 62 years (range, 1 day to 98 years; interquartile range, 23 years). Most patients were female (2029 of 3542 [57%]). Almost half of the examinations submitted were from chest radiography and CT (1618 of 3542 [46%]), followed by MRI and CT of the abdomen and pelvis (1123 of 3542 [32%]). The most common unexpected findings were potential neoplasms (391 of 3542 [11%]). The median time between examination performance and patient notification was 12 days (range, 0-136 days; interquartile range, 13 days). A total of 2127 additional imaging studies were performed, and 1078 patients were referred to primary care providers and specialists. Most radiologists (89%, 63 of 71 respondents) and providers (65%, 28 of 43 respondents) found the system useful and used it most frequently during regular business hours. Conclusion An electronic health record-integrated, navigator-facilitated, closed-loop communication program for unexpected radiologic findings led to near-complete success in notification of providers and patients and facilitated the next steps in findings management. © RSNA, 2021 See also the editorial by Safdar in this issue.


Subject(s)
Electronic Health Records/statistics & numerical data , Incidental Findings , Teach-Back Communication/methods , Adolescent , Adult , Aged , Aged, 80 and over , Child , Child, Preschool , Female , Humans , Infant , Male , Middle Aged , Young Adult
2.
Catheter Cardiovasc Interv ; 63(2): 135-40, 2004 Oct.
Article in English | MEDLINE | ID: mdl-15390245

ABSTRACT

The high cost of drug-eluting stents (DESs) has made identification of patients who are at low risk for subsequent revascularization after treatment with bare metal stents (BMSs) highly desirable. Previous reports from randomized trials suffer from biases induced by restricted entry criteria and protocol-mandated angiographic follow-up. Between 1994 and 2001, 5,239 consecutive BMS patients, excluding those with coil stents, technical failure, brachytherapy, staged procedure, or stent thrombosis within 30 days, were prospectively identified from a large single-center tertiary-referral-center prospective registry for long-term follow-up. We sought to identify characteristics of patients with very low (< or = 4%) or low (4-10%) likelihood of coronary revascularization 9 months after BMS. Nine-month clinical follow-up was obtained in 98.2% of patients. Coronary revascularization was required in 13.4% and did not differ significantly by stent type. On the basis of multivariate analysis identifying 11 independent correlates and previous reports, 20 potential low-risk patient and lesion groups (228 +/- 356 patients/groups) were identified (e.g, patients with all of the following: native vessel, de novo, reference diameter > or = 3.5 mm, lesion length < 5 mm, no diabetes, not ostial in location). Actual and model-based outcomes were analyzed. No group had both predicted and observed 9-month revascularization < or = 4% (very low risk). Conversely, 19 of 20 groups had a predicted and observed revascularization rate of 4-10% (low risk). In the real-world setting, the need for intermediate-term revascularization after BMS may be lower than expected, but it may be very difficult to identify patients at very low risk. Conversely, if the benefits of DESs are attenuated in routine practice, many groups of patients treated with BMSs may have nearly comparable results.


Subject(s)
Angioplasty, Balloon, Coronary/statistics & numerical data , Coronary Restenosis/epidemiology , Stents , Aged , Coronary Angiography , Coronary Restenosis/prevention & control , Female , Follow-Up Studies , Humans , Logistic Models , Male , Metals , Middle Aged , Proportional Hazards Models , Prospective Studies , Registries , Risk Assessment , Treatment Outcome
3.
Am J Cardiol ; 93(11): 1389-90, A6, 2004 Jun 01.
Article in English | MEDLINE | ID: mdl-15165920

ABSTRACT

To assess the potential risk of long-term steroid use in the setting of coronary angioplasty, 114 patients of 12,883 consecutively treated patients who were on long-term steroids were compared with those not taking steroids. Steroid use was not associated with increased risk of composite major ischemia events but was associated with a threefold risk (p = 0.01) of major vascular complications and a three- to fourfold risk (p = 0.026) of coronary perforation.


Subject(s)
Angioplasty, Balloon, Coronary , Glucocorticoids/therapeutic use , Prednisone/therapeutic use , Aged , Angioplasty, Balloon, Coronary/adverse effects , Case-Control Studies , Coronary Vessels/injuries , Databases, Factual , Female , Glucocorticoids/adverse effects , Humans , Logistic Models , Male , Middle Aged , Prednisone/adverse effects , Risk , Time Factors , Treatment Outcome
4.
Syst Biol ; 52(5): 641-8, 2003 Oct.
Article in English | MEDLINE | ID: mdl-14530131

ABSTRACT

Although the conditions under which the parsimony method becomes inconsistent have been studied for almost two decades, the probability that the parsimony method would encounter conditions causing inconsistency under simple models of cladogenesis is unknown. Here, we examine the statistical behavior of the parsimony method under a birth-death model of cladogenesis, when the molecular clock holds. The parsimony method can become inconsistent a high proportion of the time even under this simple model of cladogenesis. When taxon sampling is poor or rates of evolution are high, the probability that parsimony will become inconsistent increases.


Subject(s)
Evolution, Molecular , Models, Genetic , Phylogeny
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