Locoregional therapies for lung tumors, employing intravascular treatment techniques. The Fortschritte Rontgenstr journal of 2023, article DOI 10.1055/a-2001-5289, presents a relevant study.
Increasing numbers of kidney transplant procedures are being performed due to changes in the population's makeup, and this procedure remains the most suitable option for those with end-stage renal disease. The early and late stages following a transplantation procedure could see the emergence of complications originating from non-vascular and vascular structures. Approximately 12% to 25% of renal transplant recipients experience postoperative complications following their procedure. For the sake of long-term graft function in these circumstances, minimally invasive therapeutic interventions are absolutely essential. This work concentrates on the foremost vascular problems arising after kidney transplants, underscoring current interventional guidelines.
PubMed was searched using the terms 'kidney transplantation,' 'complications,' and 'interventional treatment' to locate relevant literature. find more Not only were the 2022 annual report of the German Foundation for Organ Donation, but also the European Association of Urology's kidney transplantation guidelines, reviewed.
Image-guided interventional techniques are superior to surgical revision as the initial treatment for vascular issues. The most common vascular problems encountered after renal transplantation include arterial stenoses, ranging from 3% to 125% of cases, followed by arterial and venous thromboses, occurring in 0.1% to 82% of patients, and finally, dissection, which affects 0.1%. Not often, but occasionally, arteriovenous fistulas or pseudoaneurysms manifest themselves. In these instances, minimally invasive interventions are associated with a low complication rate and favorable technical and clinical outcomes. find more Interdisciplinary collaboration in diagnosis, treatment, and follow-up, at highly specialized centers, is paramount for preserving graft function. Surgical revision should only be contemplated after all minimally invasive therapeutic avenues have been pursued.
Following a renal transplant, vascular complications can occur in a significant percentage of cases, from 3% to 15% of patients.
Along with others, Verloh N, Doppler M, Hagar MT. Interventional techniques are crucial for addressing vascular problems arising post-renal transplantation. Fortchr Rontgenstr 2023, with DOI 101055/a-2007-9649, presents a study.
Among others, Verloh N, Doppler M, and Hagar MT. Strategies for interventional management are applied to resolve vascular complications in renal transplant recipients. The 2023 edition of Fortschritte Rontgenstr, specifically article DOI 10.1055/a-2007-9649, showcases leading-edge radiology research.
Today's diagnostic routines may be significantly transformed by photon-counting computed tomography (PCCT), a groundbreaking technology capable of yielding quantitative imaging data that improves clinical decision-making and patient management.
This review's content stems from a comprehensive PubMed and Google Scholar literature search, utilizing the keywords Photon-Counting CT, Photon-Counting detector, spectral CT, and Computed Tomography, complemented by the authors' practical experience.
A key difference between PCCT and established energy-integrating CT detectors is the precise individual photon counting capability of PCCT at the detector. The new technology, as evidenced by PCCT phantom testing and early clinical trials, alongside a thorough review of the existing literature, offers improved spatial resolution, reduced image noise, and expanded opportunities for quantitative image post-processing techniques.
In the context of clinical practice, potential benefits include a reduction in beam hardening artifacts, a lessening of radiation dose, and the use of novel contrast agents. Within this review, we will explore fundamental technical concepts, examine possible clinical benefits, and demonstrate early clinical applications.
In routine clinical settings, photon-counting computed tomography (PCCT) is now used. Energy-integrating detector CT, unlike perfusion CT, produces more electronic image noise. Enhanced spatial resolution and a superior contrast-to-noise ratio are characteristics of PCCT. Quantifying spectral information is facilitated by the novel detector technology.
Stein, T., Rau, A., and Russe, M.F., et al. An exploration of Photon-Counting Computed Tomography's basic principles, its potential benefits, and its initial clinical results. Regarding the document Fortschr Rontgenstr 2023, referenced by DOI 101055/a-2018-3396, further investigation is recommended.
Stein T, Rau A, Russe MF, and others formed the team of researchers that conducted the study. A foundational exploration of photon-counting computed tomography, its promising benefits, and initial clinical trials. The DOI 10.1055/a-2018-3396 article, appearing in the 2023 Fortschritte der Röntgenstrahlen journal, presents substantial content.
The utility of direct MR arthrography of the shoulder, in conjunction with the ABER position (ABER-MRA), has been a topic of ongoing discourse. find more The objective of this review is to evaluate the clinical relevance of this technique in diagnosing shoulder abnormalities, reviewing pertinent literature to establish its usefulness and suggest optimal applications, emphasizing benefits.
To conduct this review, we examined the literature databases of the Cochrane Library, Embase, and PubMed for publications on MRA in the ABER position, through February 28, 2022. Among the search terms were shoulder MRA, ABER, MRI ABER, MR ABER, shoulder, abduction external rotation MRA, abduction external rotation MRI, and ABER positioning. Surgical and/or arthroscopic correlation within a span of twelve months was a necessary criterion for the inclusion of both prospective and retrospective studies. Across 16 studies involving 724 patients, 10 specifically focused on anterior instability, 3 on posterior instability, and 7 explored possible rotator cuff issues; certain studies overlapped in their subject matter.
In anterior instability, ABER-MRA in the ABER position significantly boosted sensitivity in identifying labral and ligamentous complex lesions compared with standard 3-plane shoulder MRA (81% vs 92%, p=0.001), while maintaining excellent specificity of 96%. While ABER-MRA exhibited impressive sensitivity (89%) and specificity (100%) for diagnosing SLAP lesions in overhead athletes, and successfully detected micro-instability, the total number of cases investigated is still rather limited. A study of rotator cuff tears using ABER-MRA did not find any improvement in the detection ability, as measured by sensitivity and specificity.
Pathologies of the anteroinferior labroligamentous complex, when detected by ABER-MRA, are supported by a level C evidence base, as per the existing literature. For evaluating SLAP lesions and accurately assessing the degree of rotator cuff tears, ABER-MRA may prove beneficial, but ultimately, the decision of using it remains individualized.
ABER-MRA is a valuable approach for determining the presence and nature of pathologies in the anteroinferior labroligamentous complex. There is no increase in sensitivity or specificity for rotator cuff tears when using ABER-MRA. Overhead athletes may find ABER-MRA helpful in detecting SLAP lesions and micro-instability.
The following researchers, including Altmann S, Jungmann F, and Emrich T, et al. Regarding direct MR arthrography of the shoulder, is the ABER position a useful tool, or a counterproductive expenditure of imaging resources? Fortschr Rontgenstr 2023; DOI 10.1055/a-2005-0206.
Among the researchers, Altmann S, Jungmann F, and Emrich T, et al., performed studies. Regarding the ABER position in direct MR arthrography of the shoulder, does it prove to be a worthwhile addition or a non-essential procedure? Fortschr Rontgenstr 2023; DOI 10.1055/a-2005-0206.
A heterogeneous group of benign and malignant tumors, both peritoneal and retroperitoneal, originate from a range of sources. For patients diagnosed with peritoneal surface malignancies, the frequently complex multidisciplinary treatment considerations underscore the pivotal role of radiological imaging in shaping therapeutic plans. In addition, the tumor's characteristics, its abdominal distribution, and a wide range of potential diagnoses, both frequent and rare, require careful assessment. To improve non-invasive pretherapeutic diagnostics, varied radiological methods are being actively explored. Diagnostic CT plays a pivotal role in the initial diagnostic process for peritoneal surface malignancies. The Peritoneal Cancer Index (PCI) evaluation must be carried out irrespective of the radiologic approach. Fortchr Rontgenstr, 2023, volume 195, showcased in the range of pages 377-384.
Investigating the consequences of the COVID-19 pandemic on interventional radiology (IR) operations in Germany between 2020 and 2021.
Based on the quality register of the German Society for Interventional Radiology and Minimally Invasive Therapy (DeGIR-QS-Register), which documents nationwide interventional radiology procedures, this study is a retrospective investigation. The volume of interventions nationwide during the 2020 and 2021 pandemic years was analyzed against the pre-pandemic period, employing both Poisson and Mann-Whitney tests. The aggregated data were evaluated in greater detail, differentiating by intervention type, while also taking into account the variations in temporal epidemiological infection occurrences.
During the two-year pandemic period, encompassing the years 2020 and 2021, a noticeable increase was witnessed in the number of interventional procedures. Compared to the same period last year, a 4% difference was seen (n=190454 and 189447 versus n=183123, respectively), with the result being highly statistically significant (p<0.0001). Only the initial spring 2020 pandemic wave (weeks 12-16) presented a notable temporary decrease in interventional procedures; the decrease amounted to 26% (n=4799, p<0.005). The core of this effort was centered on interventions that were not immediately life-threatening, like pain relief and elective arterial revascularization procedures.