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Perspectives20 May 2003Medical Professionalism in the New Millennium: A Physician Charter 15 Months LaterFREELinda Blank, Harry Kimball, MD, Walter McDonald, MD, and Jaime Merino, MD, for the ABIM Foundation, ACP Foundation, and European Federation of Internal Medicine (EFIM)*Linda BlankFrom ABIM Foundation and ACP Foundation, Philadelphia, Pennsylvania; and European Federation of Internal Medicine, Maastricht, the Netherlands., Harry Kimball, MDFrom ABIM Foundation and ACP Foundation, Philadelphia, Pennsylvania; and European Federation of Internal Medicine, Maastricht, the Netherlands., Walter McDonald, MDFrom ABIM Foundation and ACP Foundation, Philadelphia, Pennsylvania; and European Federation of Internal Medicine, Maastricht, the Netherlands., and Jaime Merino, MDFrom ABIM Foundation and ACP Foundation, Philadelphia, Pennsylvania; and European Federation of Internal Medicine, Maastricht, the Netherlands., for the ABIM Foundation, ACP Foundation, and European Federation of Internal Medicine (EFIM)*Author, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-138-10-200305200-00012 SectionsAboutVisual AbstractAbstractPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail AbstractFor a list of members of these organizations, see the Appendix.As we mark the 15-month anniversary of the physician charter that was published simultaneously in Annals of Internal Medicine and The Lancet in 2002 (1, 2), the members of the Medical Professionalism Project are pleased by the level of interest and activity the charter has engendered. Several hundred U.S. and international newspapers cited the charter in related stories; more than 70 radio, television, and online interviews have been conducted with individual project members; over 65 000 reprints have been requested from around the world; and, collectively, the Annals, Medical Professionalism Project and European Federation of Internal Medicine (EFIM) Web sites have logged more than 70 000 related visits. In addition, this issue of Annals features a collection of provocative Letters about the charter. Building on this level of responsiveness, the ABIM (American Board of Internal Medicine) Foundation and the ACP (American College of Physicians) Foundation will sponsor phase II of the Project, planned as a 2-year initiative. Phase II will encompass reviewing the charter's initial impact and, within that context, explore the opportunity to define the health rights and responsibilities of patients, physicians, and society.Background and RationaleThe Medical Professionalism Project, jointly sponsored by the ABIM Foundation and the ACP Foundation, began in November 1999 as a collaborative effort designed to raise the concept of professionalism within the consciousness of internal medicine, both in the United States and Europe. The two foundations, in partnership with the European Federation of Internal Medicine, are well positioned to influence the ethical and professional standards of medicine and encourage the profession to reaffirm its civic commitment.Impetus for the Project stemmed from the following question: Why is raising awareness about the core values of medical professionalism important? As the pace of change in health care accelerated and the future of medical practice became increasingly uncertain, the ABIM and ACP Foundations and European Federation of Internal Medicine saw the need to convene this collaborative project because medical professionalism is universally endangered. Physician unionization, waning ability to self-regulate, medical errors, bioterrorism, compromised access and health care delivery, conflicts of interest precipitated by managed care and for-profit medicine, and the pharmaceutical industry's role in patient care and medical education reflect the range of issues that challenge the medical profession globally. At this crossroads, the medical profession urgently needs a united front to influence and inform the culture and context of both clinical practice and medical training. The charter's three fundamental principles and set of professional responsibilities are intended to encourage such dedication and debate (Table).Table. Charter on Medical Professionalism: Fundamental Principles and Professional Responsibilities PublicationsTo date, in addition to Annals of Internal Medicine and The Lancet, the charter has been published in the following journals: Clinical Medicine (formerly Journal of the Royal College of Physicians), European Journal of Internal Medicine, American Journal of Obstetrics and Gynecology, The American Journal of Surgery, Journal of the American College of Dentists, Annals of the Royal College of Physicians and Surgeons of Canada, Canadian Medical Association Journal, The Medical Journal of Australia, Bollettino Ordine Provinciale Medici Chirurghi e Odontoiatri-Milano, La Revue de Mdecine Interne, and La Radiologia Medica. The charter has been translated into Italian, French, Spanish, Portuguese, German, and Polish. The Health Ministry of Italy also published the charter and distributed it to every medical student and faculty member throughout the country. Translations into Dutch, Swedish, Japanese, and Turkish should lead to future publication in journals written in these languages.PresentationsSince the charter's publication, project members and others have collectively given more than 100 related presentations in a variety of formats: named lectures, grand rounds, medical school graduation addresses, plenary sessions at national and international meetings, workshops, and seminars. National meetings have included those of the Association of American Medical Colleges, ACP, American College of Obstetricians and Gynecologists, American Medical Association, Arnold P. Gold Foundation, Council of Medical Specialty Societies, Accreditation Council for Graduate Medical Education, American Board of Medical Specialties, American College of Surgeons, Association for Hospital Medical Education, and Federation of State Medical Boards. International meetings have included those of the Association for Medical Education in Europe and the European School of Internal Medicine; the European Federation of Internal Medicine Congresses in Edinburgh and Berlin; the International Society of Internal Medicine Congress in Kyoto; and the Association of Canadian Medical Colleges, Ottowa Conference, and Royal College of Physicians and Surgeons of Canada.EndorsementsTo date, the following 90 professional associations, colleges, societies, and certifying boards have endorsed the charter: Accreditation Council for Graduate Medical Education; American Academy of Allergy, Asthma & Immunology; American Academy of Dermatology; American Academy of Family Physicians; American Academy of Neurology; American Academy of Ophthalmology; American Academy of Orthopaedic Surgeons; American Academy of OtolaryngologyHead and Neck Surgery; American Academy of Pediatrics; American Academy of Physical Medicine and Rehabilitation; American Board of Medical Specialties; American Board of Allergy and Immunology; American Board of Anesthesiology; American Board of Colon and Rectal Surgery; American Board of Dermatology; American Board of Emergency Medicine; American Board of Family Practice; American Board of Internal Medicine; American Board of Medical Genetics; American Board of Neurological Surgery; American Board of Nuclear Medicine; American Board of Obstetrics and Gynecology; American Board of Ophthalmology; American Board of Orthopedic Surgery; American Board of Otolaryngology; American Board of Pathology; American Board of Pediatrics; American Board of Physical Medicine and Rehabilitation; American Board of Plastic Surgery; American Board of Preventive Medicine; American Board of Psychiatry and Neurology; American Board of Radiology; American Board of Surgery; American Board of Thoracic Surgery; American Board of Urology; ABIM Foundation; American College of Dentists; American College of Medical Genetics; American College of Obstetricians and Gynecologists; ACP; American College of Radiology; American College of Surgeons; ACP Foundation; American Psychiatric Association; American Society of Anesthesiologists; American Society of Clinical Pathologists; American Society of Plastic Surgeons; American Urological Association; Association of Academic Physiatrists; Association of Physicians of Ireland; Association of Physicians of Malta; Austrian Society of Internal Medicine; Belgian Society of Internal Medicine; College of Physicians and Surgeons of British Columbia; Council of Deans, Association of Canadian Medical Colleges; Council of Medical Specialty Societies; Czech Society of Internal Medicine; Danish Society of Internal Medicine; Estonian Society of Internal Medicine; European Federation of Internal Medicine; Federation of Royal Colleges of Physicians of United Kingdom; Federation of State Medical Boards; Finnish Society of Internal Medicine; French Society of Internal Medicine; German Society of Internal Medicine; Hellenic Society of Internal Medicine; Hungarian Society of Internal Medicine; Israeli Society of Internal Medicine; Italian Society of Internal Medicine; Latvian Society of Internal Medicine; Lithuanian Society of Internal Medicine; Luxembourg Society of Internal Medicine; Ministero della Salute; Netherlands Society of Internal Medicine; Polish Society of Internal Medicine; Portuguese Society of Internal Medicine; Royal Australasian College of Physicians and Surgeons; Royal College of Physicians of Edinburgh; Royal College of Physicians of Ireland; Royal College of Physicians of London; Royal College of Physicians and Surgeons of Canada; Slovak Society of Internal Medicine; Slovenian Society of Internal Medicine; Society of Neurological Surgeons; Society of Nuclear Medicine; Society of Thoracic Surgeons; Spanish Society of Internal Medicine; Swedish Society of Internal Medicine; Swiss Society of Internal Medicine; and Turkish Society of Internal Medicine. During the remainder of the year, additional endorsements will be sought from state medical societies, educational organizations, and other national and international medical associations.Future ActivitiesThe ABIM Foundation has launched a series of targeted activities to promote the charter: 1) an attractive charter publication for distribution at medical school and residency orientation, white coat ceremonies, and graduation; 2) a charter wall poster suitable for framing; 3) Putting the Charter into Practice [small seed grants for implementation were awarded to McGill University; New York University School of Medicine; University of California, San Francisco; University of Michigan Medical School; and University of Texas Medical Branch, Galveston]; 4) Medical Professionalism Project colloquia and conferences; 5) professionalism portfolios designed to promote self-reflection and use of self-assessment tools; 6) inclusion of the charter with each ABIM diplomate's Board certificate; 7) a proposed charter series in peer-reviewed journals; and 8) a proposed award recognition program. The past, present, and future activities stimulated by the charter are being chronicled and will be essential in determining its short- and long-term impact toward promoting and empowering an action agenda for the profession of medicine that is universal in scope and purpose.Appendix: Project MembersABIM Foundation: Troyen Brennan, MD, JD (Project Chair); Linda Blank (Project Staff); Jordan Cohen, MD; Harry Kimball, MD; and Neil Smelser, PhD.ACP Foundation: Robert Copeland, MD; Risa Lavizzo-Mourey, MD, MBA; and Walter McDonald, MD.European Federation of Internal Medicine: Gunilla Brenning, MD; Chris Davidson, MA, MB, FRCP; Philippe Jaeger, MB, MD; Alberto Malliani, MD; Hein Muller, MD, PhD; Daniel Sereni, MD; and Eugene Sutorius, JD.Special Consultants: Richard Cruess, MD; Sylvia Cruess, MD; and Jaime Merino, MD.References1. Medical professionalism in the new millennium: a physician charter. Ann Intern Med. 2002;136:243-6. [PMID: 11827500] LinkGoogle Scholar2. Medical professionalism in the new millennium: a physicians' charter. Lancet. 2002;359:520-2. [PMID: 11853819] CrossrefMedlineGoogle Scholar Comments0 CommentsSign In to Submit A Comment Author, Article, and Disclosure InformationAffiliations: From ABIM Foundation and ACP Foundation, Philadelphia, Pennsylvania; and European Federation of Internal Medicine, Maastricht, the Netherlands.Disclosures: None disclosed.Corresponding Author: Linda Blank, ABIM Foundation, 510 Walnut Street, Suite 1700, Philadelphia, PA 19106; e-mail, [email protected]org.Current Author Addresses: Ms. Blank and Dr. Kimball: ABIM Foundation, 510 Walnut Street, Suite 1700, Philadelphia, PA 19106.Dr. McDonald: ACP Foundation, 190 N. Independence Mall West, Philadelphia, PA 19106.Dr. Merino: Depart. Medicina y Psiquiatria, Universidad Miguel Hernandez, Campus de San Juan, Cta. 332 Alicante-Valencia Km. 87, 03550 San Juan de Alicante, Spain. 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We describe here a protocol for labelling autologous white blood cells with (111)In-oxine based on previously published consensus papers and guidelines. This protocol includes quality control and safety procedures and is in accordance with current European Union regulations and International Atomic Energy Agency recommendations.
INTRODUCTION BACKGROUND TO METABOLOMICS: Metabolomics is the comprehensive study of the metabolome, the repertoire of biochemicals (or small molecules) present in cells, tissues, and body fluids. The study of metabolism at the global or "-omics" level is a rapidly growing field that has the potential to have a profound impact upon medical practice. At the center of metabolomics, is the concept that a person's metabolic state provides a close representation of that individual's overall health status. This metabolic state reflects what has been encoded by the genome, and modified by diet, environmental factors, and the gut microbiome. The metabolic profile provides a quantifiable readout of biochemical state from normal physiology to diverse pathophysiologies in a manner that is often not obvious from gene expression analyses. Today, clinicians capture only a very small part of the information contained in the metabolome, as they routinely measure only a narrow set of blood chemistry analytes to assess health and disease states. Examples include measuring glucose to monitor diabetes, measuring cholesterol and high density lipoprotein/low density lipoprotein ratio to assess cardiovascular health, BUN and creatinine for renal disorders, and measuring a panel of metabolites to diagnose potential inborn errors of metabolism in neonates. OBJECTIVES OF WHITE PAPER—EXPECTED TREATMENT OUTCOMES AND METABOLOMICS ENABLING TOOL FOR PRECISION MEDICINE: We anticipate that the narrow range of chemical analyses in current use by the medical community today will be replaced in the future by analyses that reveal a far more comprehensive metabolic signature. This signature is expected to describe global biochemical aberrations that reflect patterns of variance in states of wellness, more accurately describe specific diseases and their progression, and greatly aid in differential diagnosis. Such future metabolic signatures will: (1) provide predictive, prognostic, diagnostic, and surrogate markers of diverse disease states; (2) inform on underlying molecular mechanisms of diseases; (3) allow for sub-classification of diseases, and stratification of patients based on metabolic pathways impacted; (4) reveal biomarkers for drug response phenotypes, providing an effective means to predict variation in a subject's response to treatment (pharmacometabolomics); (5) define a metabotype for each specific genotype, offering a functional read-out for genetic variants: (6) provide a means to monitor response and recurrence of diseases, such as cancers: (7) describe the molecular landscape in human performance applications and extreme environments. Importantly, sophisticated metabolomic analytical platforms and informatics tools have recently been developed that make it possible to measure thousands of metabolites in blood, other body fluids, and tissues. Such tools also enable more robust analysis of response to treatment. New insights have been gained about mechanisms of diseases, including neuropsychiatric disorders, cardiovascular disease, cancers, diabetes and a range of pathologies. A series of ground breaking studies supported by National Institute of Health (NIH) through the Pharmacometabolomics Research Network and its partnership with the Pharmacogenomics Research Network illustrate how a patient's metabotype at baseline, prior to treatment, during treatment, and post-treatment, can inform about treatment outcomes and variations in responsiveness to drugs (e.g., statins, antidepressants, antihypertensives and antiplatelet therapies). These studies along with several others also exemplify how metabolomics data can complement and inform genetic data in defining ethnic, sex, and gender basis for variation in responses to treatment, which illustrates how pharmacometabolomics and pharmacogenomics are complementary and powerful tools for precision medicine. CONCLUSIONS KEY SCIENTIFIC CONCEPTS AND RECOMMENDATIONS FOR PRECISION MEDICINE: Our metabolomics community believes that inclusion of metabolomics data in precision medicine initiatives is timely and will provide an extremely valuable layer of data that compliments and informs other data obtained by these important initiatives. Our Metabolomics Society, through its "Precision Medicine and Pharmacometabolomics Task Group", with input from our metabolomics community at large, has developed this White Paper where we discuss the value and approaches for including metabolomics data in large precision medicine initiatives. This White Paper offers recommendations for the selection of state of-the-art metabolomics platforms and approaches that offer the widest biochemical coverage, considers critical sample collection and preservation, as well as standardization of measurements, among other important topics. We anticipate that our metabolomics community will have representation in large precision medicine initiatives to provide input with regard to sample acquisition/preservation, selection of optimal omics technologies, and key issues regarding data collection, interpretation, and dissemination. We strongly recommend the collection and biobanking of samples for precision medicine initiatives that will take into consideration needs for large-scale metabolic phenotyping studies.
Nuclear medicine plays a pivotal role in the imaging and treatment of neuroendocrine tumours (NETs). Somatostatin receptor scintigraphy (SRS) with [(111)In-DTPA(0)]octreotide has proven its role in the diagnosis and staging of gastroenteropancreatic NETs (GEP-NETs). New techniques in somatostatin receptor imaging include the use of different radiolabelled somatostatin analogues with higher affinity and different affinity profiles to the somatostatin receptor subtypes. Most of these analogues can also be labelled with positron-emitting radionuclides that are being used in positron emission tomography imaging. The latter imaging modality, especially in the combination with computed tomography, is of interest because of encouraging results in terms of improved imaging quality and detection capabilities. Considerable advances have been made in the imaging of NETs, but to find the ideal imaging method with increased sensitivity and better topographic localisation of the primary and metastatic disease remains the ultimate goal of research. This review provides an overview of the currently used imaging modalities and ongoing developments in the imaging of NETs, with the emphasis on nuclear medicine and puts them in perspective of clinical practice. The advantage of SRS over other imaging modalities in GEP-NETs is that it can be used to select patients with sufficient uptake for treatment with radiolabelled somatostatin analogues. Peptide receptor radionuclide therapy (PRRT) is a promising new tool in the management of patients with inoperable or metastasised NETs as it can induce symptomatic improvement with all Indium-111, Yttrium-90 or Lutetium-177-labelled somatostatin analogues. The results that were obtained with [(90)Y-DOTA(0),Tyr(3)]octreotide and [(177)Lu-DOTA(0),Tyr(3)]octreotate are even more encouraging in terms of objective tumour responses with tumour regression and documented prolonged time to progression. In the largest group of patients receiving PRRT, treated with [(177)Lu-DOTA(0),Tyr(3)]octreotate, a survival benefit of several years compared with historical controls has been reported.
Nearly one in five workers in nuclear medicine is likely to receive more than the legal dose limit for the skin of 500 mSv per year according to a recently completed ORAMED study. ORAMED (Optimization of RAdiation protection of MEDical staff) was a European FP7 project which aimed to develop methodologies for better assessing and reducing the exposure to radiation of personnel working in interventional radiology and cardiology and nuclear medicine. One of the goals of the project was to determine extremity doses of workers in nuclear medicine during the preparation and administration of radiopharmaceuticals. Six countries participated in the study, and large numbers of procedures using 99mTc (n=335), 18F (n=306) and 90Y (n=127) were monitored. In stark contrast with the finding of too high extremity doses is the general lack of attention in nuclear medicine paid to extremity dosimetry. The main purpose of this contribution is therefore to emphasize that extremity exposure is a real concern needing the attention of the professional societies and the technical and medical staff. In addition, some guidance is provided in measuring and lowering the extremity dose.
Last year in the European Journal of Nuclear Medicine and Molecular Imaging, we introduced some recent nuclear medicine research conducted in Japan. This was favorably received by European readers in the main. This year we wish to focus on the Annals of Nuclear Medicine on some of the fine nuclear medicine research work executed in Europe recently. In the current review article, we take up five topics: prostate-specific membrane antigen imaging, recent advances in radionuclide therapy, [18F]fluorodeoxyglucose positron-emission tomography (PET) for dementia, quantitative PET assessment of myocardial perfusion, and iodine-124 (124I). Just at the most recent annual meeting of the European Association of Nuclear Medicine 2016, Kyoto was selected as the host city for the 2022 Congress of the World Federation of Nuclear Medicine and Biology. We hope that our continuous efforts to strengthen scientific cooperation between Europe and Japan will bring many European friends and a great success to the Kyoto meeting.
INTRODUCTION: High mobility group box nuclear protein 1 (HMGB1) is a DNA nuclear binding protein that has recently been shown to be an early trigger of sterile inflammation in animal models of trauma-hemorrhage via the activation of the Toll-like-receptor 4 (TLR4) and the receptor for the advanced glycation endproducts (RAGE). However, whether HMGB1 is released early after trauma hemorrhage in humans and is associated with the development of an inflammatory response and coagulopathy is not known and therefore constitutes the aim of the present study. METHODS: One hundred sixty eight patients were studied as part of a prospective cohort study of severe trauma patients admitted to a single Level 1 Trauma center. Blood was drawn within 10 minutes of arrival to the emergency room before the administration of any fluid resuscitation. HMGB1, tumor necrosis factor (TNF)-alpha, interleukin (IL)-6, von Willebrand Factor (vWF), angiopoietin-2 (Ang-2), Prothrombin time (PT), prothrombin fragments 1+2 (PF1+2), soluble thrombomodulin (sTM), protein C (PC), plasminogen activator inhibitor-1 (PAI-1), tissue plasminogen activator (tPA) and D-Dimers were measured using standard techniques. Base deficit was used as a measure of tissue hypoperfusion. Measurements were compared to outcome measures obtained from the electronic medical record and trauma registry. RESULTS: Plasma levels of HMGB1 were increased within 30 minutes after severe trauma in humans and correlated with the severity of injury, tissue hypoperfusion, early posttraumatic coagulopathy and hyperfibrinolysis as well with a systemic inflammatory response and activation of complement. Non-survivors had significantly higher plasma levels of HMGB1 than survivors. Finally, patients who later developed organ injury, (acute lung injury and acute renal failure) had also significantly higher plasma levels of HMGB1 early after trauma. CONCLUSIONS: The results of this study demonstrate for the first time that HMGB1 is released into the bloodstream early after severe trauma in humans. The release of HMGB1 requires severe injury and tissue hypoperfusion, and is associated with posttraumatic coagulation abnormalities, activation of complement and severe systemic inflammatory response.
Although it is extremely rare, nuclear imaging of a pregnant woman presents a unique challenge to the nuclear medicine physician because of the high concern for radiation risk to the embryo or the fetus. This challenge has been exacerbated due to recent heightened public concern of medical procedures involving radiation. This awareness also has been emphasized to the referring physicians to the extent that the risks of most nuclear medicine scans are overstressed relative to the benefit. Radionuclide procedures are reluctantly ordered by clinicians in pregnant patients, because of the malpractice fear or because of uncertainty regarding fetal radiation dose. However, when used appropriately, the benefits of nuclear imaging procedures usually outweigh the minimal risks associated with small amount of radiation even in pregnant patients. (MIRT 2012;21:1-5)
, Novartis). Concurrently, ligand-drug and immune therapies designed to target PSMA are being advanced through rigorous preclinical research and clinical trials. This review delves into the annals of PSMA-targeted radiotheranostics, exploring its historical evolution as a signature molecule in PCa management. We scrutinise its clinical ramifications, acknowledge its limitations, and peer into the avenues that need further exploration. In the crucible of scientific inquiry, we aim to illuminate the path toward a future where the enigma of PCa is deciphered and where its menace is met with precise and effective countermeasures. In the following sections, we discuss the intriguing terrain of PCa radiotheranostics through the lens of PSMA, with the fervent hope of advancing our understanding and enhancing clinical practice.
Humans and animals lose tissues and organs due to congenital defects, trauma, and diseases. The human body has a low regenerative potential as opposed to the urodele amphibians commonly referred to as salamanders. Globally, millions of people would benefit immensely if tissues and organs can be replaced on demand. Traditionally, transplantation of intact tissues and organs has been the bedrock to replace damaged and diseased parts of the body. The sole reliance on transplantation has created a waiting list of people requiring donated tissues and organs, and generally, supply cannot meet the demand. The total cost to society in terms of caring for patients with failing organs and debilitating diseases is enormous. Scientists and clinicians, motivated by the need to develop safe and reliable sources of tissues and organs, have been improving therapies and technologies that can regenerate tissues and in some cases create new tissues altogether. Tissue engineering and/or regenerative medicine are fields of life science employing both engineering and biological principles to create new tissues and organs and to promote the regeneration of damaged or diseased tissues and organs. Major advances and innovations are being made in the fields of tissue engineering and regenerative medicine and have a huge impact on three-dimensional bioprinting (3D bioprinting) of tissues and organs. 3D bioprinting holds great promise for artificial tissue and organ bioprinting, thereby revolutionizing the field of regenerative medicine. This review discusses how recent advances in the field of regenerative medicine and tissue engineering can improve 3D bioprinting and vice versa. Several challenges must be overcome in the application of 3D bioprinting before this disruptive technology is widely used to create organotypic constructs for regenerative medicine.
We present a concise mini overview on the approaches to the disposal of nuclear waste currently used or deployed. The disposal of nuclear waste is the end point of nuclear waste management (NWM) activities and is the emplacement of waste in an appropriate facility without the intention to retrieve it. The IAEA has developed an internationally accepted classification scheme based on the end points of NWM, which is used as guidance. Retention times needed for safe isolation of waste radionuclides are estimated based on the radiotoxicity of nuclear waste. Disposal facilities usually rely on a multi-barrier defence system to isolate the waste from the biosphere, which comprises the natural geological barrier and the engineered barrier system. Disposal facilities could be of a trench type, vaults, tunnels, shafts, boreholes, or mined repositories. A graded approach relates the depth of the disposal facilities’ location with the level of hazard. Disposal practices demonstrate the reliability of nuclear waste disposal with minimal expected impacts on the environment and humans.
The importance of personalized medicine is growing, since there is an urged need to avoid unnecessary and expensive treatments. In nuclear medicine, the theranostic approach is an established tool for a specific molecular targeting in means of diagnostics and therapy. The visualisation of potential targets can help to predict if a patient would benefit from a particular treatment or not. Thanks to the quick development of radiopharmaceuticals and diagnostic techniques, the use of theranostic agents is constantly rising. In this article important milestones of nuclear therapies and diagnostics in the context of theranostics are highlighted. It begins with the well-known radioiodine therapy in patients with thyroid cancer and then guides through different approaches for the treatment of advanced cancer with targeted therapies. The aim of this review is to provide a summary of background knowledge, current applications and advantages of targeted therapies and imaging in nuclear medicine practice.
BACKGROUND: Expression of pro-inflammatory cytokines is increased in the intestinal lamina propria of patients with inflammatory bowel disease (IBD). Nuclear factor kappa B (NF kappa B) controls transcription of inflammation genes. On activation, NF kappa B is rapidly released from its cytoplasmic inhibitor (I kappa B), transmigrates into the nucleus, and binds to DNA response elements in gene promoter regions. AIMS: To investigate whether increased activation of NF kappa B is important in IBD and may be down-regulated by anti-inflammatory treatment. METHODS: Activation of NF kappa B was determined by western blot assessment and electrophoretic mobility shift assay in nuclear extracts of colonic biopsy samples as well as lamina propria mononuclear cells. RESULTS: Nuclear levels of NF kappa B p65 are increased in lamina propria biopsy specimens from patients with Crohn's disease in comparison with patients with ulcerative colitis and controls. Increased activation of NF kappa B was detected in lamina propria mononuclear cells from patients with active IBD. Corticosteroids strongly inhibit intestinal NF kappa B activation in IBD in vivo and in vitro by stabilising the cytosolic inhibitor I kappa B alpha against activation induced degradation. CONCLUSIONS: In both IBDs, but particularly Crohn's disease, increased activation of NF kappa B may be involved in the regulation of the inflammatory response. Inhibition of NF kappa B activation may represent a mechanism by which steroids exert an anti-inflammatory effect in IBD.
With the introduction of ChatGPT, Large Language Models (LLMs) have received enormous attention in healthcare. Despite potential benefits, researchers have underscored various ethical implications. While individual instances have garnered attention, a systematic and comprehensive overview of practical applications currently researched and ethical issues connected to them is lacking. Against this background, this work maps the ethical landscape surrounding the current deployment of LLMs in medicine and healthcare through a systematic review. Electronic databases and preprint servers were queried using a comprehensive search strategy which generated 796 records. Studies were screened and extracted following a modified rapid review approach. Methodological quality was assessed using a hybrid approach. For 53 records, a meta-aggregative synthesis was performed. Four general fields of applications emerged showcasing a dynamic exploration phase. Advantages of using LLMs are attributed to their capacity in data analysis, information provisioning, support in decision-making or mitigating information loss and enhancing information accessibility. However, our study also identifies recurrent ethical concerns connected to fairness, bias, non-maleficence, transparency, and privacy. A distinctive concern is the tendency to produce harmful or convincing but inaccurate content. Calls for ethical guidance and human oversight are recurrent. We suggest that the ethical guidance debate should be reframed to focus on defining what constitutes acceptable human oversight across the spectrum of applications. This involves considering the diversity of settings, varying potentials for harm, and different acceptable thresholds for performance and certainty in healthcare. Additionally, critical inquiry is needed to evaluate the necessity and justification of LLMs' current experimental use.
Cancer remains a formidable global health challenge, necessitating innovative therapeutic approaches to enhance treatment efficacy and reduce adverse effects. The traditional Chinese medicine (TCM), as an embodiment of ancient wisdom, has been validated to regulate the holistic human capacity against both internal and external "evils" in accordance with TCM principles. Therefore, it stands to reason to integrate TCM into current cancer therapy paradigms, such as chemotherapy, immunotherapy, and targeted therapy. This strategy conceptually intends to circumvent the inevitable side effects derived from present treatment, alleviate the discomfort, mollify the detrimental mood and synergize tumoricidal effects of distinct approaches. However, it is still vague whether TCM exert favorable function in cancer treatment. Therefore, it is imperative to retrieve and compile the existing literature on TCM in the realm of cancer, followed by a comprehensive recapitulation and synthesis of its core findings. Recently, with the advancement of contemporary biologic and medical theory and technology, it has become both feasible and imperative to elucidate the molecular signaling mechanisms and cellular biology underlying TCM. Specifically, leveraging TCM pharmaceutic components can not only directly impact tumor biology at the molecular level, but regulate the tumor immune environment through distinct pathways. Additionally, the administration of external TCM treatments such as acupuncture and moxibustion also demonstrates beneficial effects in cancer patients. Through comprehensive analysis, we demonstrated that TCM not only potentially increases the efficacy of conventional cancer treatments, but also significantly mitigates their toxic side effects, thereby prolonging patients' prognosis and improving their living quality. Furthermore, we have underscored the challenges and prospects associated with the integration of TCM into contemporary oncological practices, placing particular emphasis on the imperative for rigorous clinical trials and molecular investigations to substantiate the efficacy and safety of these combined therapeutic approaches. This synthesis aims to pave the way for a more integrated approach to cancer treatment rooted in both traditional wisdom and cutting-edge science.
PurposeThe main objective of this study was to evaluate the efficacy of tungsten carbide as new lead-free radiation shielding material in nuclear medicine by evaluating the attenuation properties.Materials and methodsThe elemental composition of tungsten carbide was analysed using Field-Emission Scanning Electron Microscopy (FESEM) with energy dispersive X-ray (EDX). The purity of tungsten carbide was 99.9%, APS: 40–50 µm. Three discs of tungsten carbide was fabricated with thickness of 0.1 cm, 0.5 cm and 1.0 cm. Three lead discs with similar thickness were used to compare the attenuation properties with tungsten carbide discs. Energy calibration of gamma spectroscopy was performed by using 123I, 133Ba, 152Eu, and 137Cs. Gamma radiation from these sources were irradiated on both materials at energies ranging from 0.160 MeV to 0.779 MeV. The experimental attenuation coefficients of lead and tungsten carbide were compared with theoretical attenuation coefficients of both materials from NIST database. The half value layer and mean free path of both materials were also evaluated in this study.ResultsThis study found that the peaks obtained from gamma spectroscopy have linear relationship with all energies used in this study. The relative differences between the measured and theoretical mass attenuation coefficients are within 0.19–5.11% for both materials. Tungsten carbide has low half value layer and mean free path compared to lead for all thickness at different energies.ConclusionThis study shows that tungsten carbide has high potential to replace lead as new lead-free radiation shielding material in nuclear medicine.
The advancement of artificial intelligence concurrent with the development of medical imaging techniques provided a unique opportunity to turn medical imaging from mostly qualitative, to further quantitative and mineable data that can be explored for the development of clinical decision support systems (cDSS). Radiomics, a method for the high throughput extraction of hand-crafted features from medical images, and deep learning -the data driven modeling techniques based on the principles of simplified brain neuron interactions, are the most researched quantitative imaging techniques. Many studies reported on the potential of such techniques in the context of cDSS. Such techniques could be highly appealing due to the reuse of existing data, automation of clinical workflows, minimal invasiveness, three-dimensional volumetric characterization, and the promise of high accuracy and reproducibility of results and cost-effectiveness. Nevertheless, there are several challenges that quantitative imaging techniques face, and need to be addressed before the translation to clinical use. These challenges include, but are not limited to, the explainability of the models, the reproducibility of the quantitative imaging features, and their sensitivity to variations in image acquisition and reconstruction parameters. In this narrative review, we report on the status of quantitative medical image analysis using radiomics and deep learning, the challenges the field is facing, propose a framework for robust radiomics analysis, and discuss future prospects.
Precision medicine can be defined as the prevention, investigation and treatment of diseases taking individual variability into account. There are multiple ways in which the field of precision medicine may be advanced; however, recent innovations in the fields of electronics and microfabrication techniques have led to an increased interest in the use of implantable biosensors in precision medicine. Implantable biosensors are an important class of biosensors because of their ability to provide continuous data on the levels of a target analyte; this enables trends and changes in analyte levels over time to be monitored without any need for intervention from either the patient or clinician. As such, implantable biosensors have great potential in the diagnosis, monitoring, management and treatment of a variety of disease conditions. In this review, we describe precision medicine and the role implantable biosensors may have in this field, along with challenges in their clinical implementation due to the host immune responses they elicit within the body.
Glucocorticoids (GCs) exert their anti-inflammatory and antiproliferative effects principally by inhibiting the expression of cytokines and adhesion molecules. Mechanistically, GCs diffuse through the cell membrane, and bind to their inactive cytosolic receptors (GRs), which then undergo conformational modifications that allow for their nuclear translocation. In the nucleus, activated GRs modulate transcriptional events by directly associating with DNA elements, compatible with the GCs response elements (GRE) motif, and located in variable copy numbers and at variable distances from the TATA box, in the promoter region of GC-responsive genes. In addition, activated GRs also acted by antagonizing the activity of transcription factors, in particular nuclear factor-kappaB (NF-kappaB), by direct and indirect mechanisms. GCs induced gene transcription and protein synthesis of the NF-kappaB inhibitor, IkappaB. Activated GR also antagonized NF-kappaB activity through protein-protein interaction involving direct complexing with, and inhibition of, NF-kappaB binding to DNA (Simple Model), or association with NF-kappaB bound to the kappaB DNA site (Composite Model). In addition, and according to the Transmodulation Model, GRE-bound GR may interact with and inhibit the activity of kappaB-bound NF-kappaB via a mechanism involving cross-talk between the two transcription factors. Lastly, GR may compete with NF-kappaB for nuclear coactivators, including CREB binding protein and p300, thereby reducing and inhibiting transcriptional activation by NF-kappaB. It should be noted that, in exerting its effect, activated GR did not affect the correct assembly of the pre-initiation (DAB) complex, but acted rather more proximally in inhibiting the correct assembly of transcription factors in the promoter region, and thus transcriptional initiation.