Citations

Showing 10 of 107969 citations.

Imaging lung tumor motion using integrated‐mode proton radiography—A phantom study towards tumor tracking in proton radiotherapy
Fullarton, Ryan , Simard, Mikaël , Toltz, Allison, Chung, Savanna, Schuy, Christoph , Robertson, Daniel , Royle, Gary , Baker, Colin , Graeff, Christian , Collins‐Fekete, Charles‐Antoine , Robertson, Daniel G, Graeff, Christian , Volz, Lennart , Chung, Savanna, Beddar, Sam , Baker, Colin

Mayo Clinic

Medical Physics | November 12, 2024 | Volume: 52 | Issue: 2 | Pages: 1146-1158

10.1002/mp.17508 | PMID 39530503 Get It

AbstractBackgroundMotion of lung tumors during radiotherapy leads to decreased accuracy of the delivered dose distribution. This is especially true for proton radiotherapy due to the finite range of the proton beam. Methods for mitigating motion rely on knowing the position of the tumor during treatment.PurposeProton radiography uses the treatment beam, at an energy high enough to traverse the patient, to produce a radiograph. This work shows the first results of using an integrated‐mode proton radiography system to track the position of moving objects in an experimental phantom study; demonstrating the potential of using this method for measuring tumor motion.MethodsProton radiographs of an anthropomorphic lung phantom, with a motor‐driven tumor insert, were acquired approximately every 1 s, using tumor inserts of 10, 20, and 30 mm undergoing a known periodic motion. The proton radiography system used a monolithic scintillator block and digital cameras to capture the residual range of each pencil beam passing through the phantom. These ranges were then used to produce a water equivalent thickness map of the phantom. The centroid of the tumor insert in the radiographs was used to determine its position. This measured position was then compared to the known motion of the phantom to determine the accuracy.ResultsSubmillimeter accuracy on the measurement of the tumor insert was achieved when using a 30 mm tumor insert with a period of 24 s and was found to be improved for decreasing motion amplitudes with a mean absolute error (MAE) of 1.0, 0.9, and 0.7 mm for 20, 15, and 10 mm respectively. Using smaller tumor inserts reduced the accuracy with a MAE of 1.8 and 1.9 mm for a 20 and 10 mm insert respectively undergoing a periodic motion with an amplitude of 20 mm and a period of 24 s. Using a shorter period resulted in significant motion artifacts reducing the accuracy to a MAE of 2.2 mm for a 12 s period and 3.1 mm for a 6 s period for the 30 mm insert with an amplitude of 20 mm.ConclusionsThis work demonstrates that the position of a lung tumor insert in a realistic anthropomorphic phantom can be measured with high accuracy using proton radiographs. Results show that the accuracy of the position measurement is the highest for slower tumor motions due to a reduction in motion artifacts. This indicates that the primary obstacle to accurate measurement is the speed of the radiograph acquisition. Although the slower tumor motions used in this study are not clinically realistic, this work demonstrates the potential for using proton radiography for measuring tumor motion with an increased scanning speed that results in a decreased acquisition time.
Self-Rated ECT Outcomes in Patients With Depression
Berger, S , Kung, Simon , Berger, Shane R , Lapid, Maria I.

Mayo Clinic

The Journal of ECT | November 12, 2024 | Volume: 41 | Issue: 3 | Pages: 183-187

10.1097/yct.0000000000001081 | PMID 39531338 Get It

Objectives Electroconvulsive therapy (ECT) is considered to be the most effective treatment for severe depression. This study investigated recent ECT outcomes for depression at a large tertiary center, which also provides community care. Methods Data were obtained from Mayo Clinic Rochester patients ages 18 and older who received an acute course of ECT between August 1, 2017 and April 30, 2024. Patients were included if there was a depressive disorder diagnosis (unipolar or bipolar) and a self-rated Patient Health Questionnaire-9 (PHQ-9) within 10 days of the start and end of the acute course. Patients were excluded if the starting PHQ-9 score was less than 10. The age, sex, number of acute course treatments, stimulus electrode lead placement, and PHQ-9 scores were collected. Response (PHQ-9 improvement ≥50%) and remission (PHQ-9 < 5) rates were calculated. Linear and logistic regressions were performed to investigate predictors of response and remission. Results Of 1206 patients identified, 408 met final inclusion and exclusion criteria. The response rate was 80.4%, and remission rate was 52.7%. Logistic regression for response showed no significant predictors; the P value for age just missed statistical significance (odds ratio, 1.0152; 95% confidence interval, 0.9991–1.0316; P = 0.0641). Logistic regression for remission showed only a lower baseline PHQ-9 score (odds ratio, 0.9465; 95% confidence interval, 0.9049–0.9891; P = 0.0152) as a significant predictor. Conclusions Our results affirmed the high efficacy of ECT in severe depression. No other established treatment for depression can report a response rate as high as 80% in a naturalistic study. This study supports the continued relevance and place of ECT for severe depression.
Optimizing Antibiotic Management for Adult Patients Presenting with Acute Perforated Appendicitis: A Quality Improvement Study
Gallego-Navarro, Carlos , Linnaus, Maria E., Swartz, Hayden J., Stewart, Shelby , York, Justin, Gassner, Ryan R , Kasal, Christopher A. , Seidel, Annaliese G., Wachter, Corey J., Kooda, Kirstin , Rich, Jennifer R. , Sawyer, Mark D. , Beckermann, Jason , York, Justin M, Kooda, Kirstin J

Mayo Clinic

Surgical Infections | November 12, 2024 | Volume: 26 | Issue: 3 | Pages: 143-149

10.1089/sur.2024.179 | PMID 40179309 Get It

Cerebello-Cerebral Resting-State Functional Connectivity in Poststroke Aphasia
Stilling, Joan , Kim, Ji Hyun , Cust, Sarah, Keser, Zafer , Murter, Jamie L., Tippet, Donna C., Sebastian, Rajani , Keser, Zafer , Hillis, Argye Elizabeth

Mayo Clinic

Brain Connectivity | November 12, 2024 | Volume: 15 | Issue: 1 | Pages: 40-54

10.1089/brain.2023.0087 | PMID 39531223 Get It

Introduction: The influence of the cerebellum in poststroke aphasia recovery is poorly understood. Despite the right cerebellum being identified as a critical region involved in both language and cognitive functions, little is known about functional connections between the cerebellum and bilateral cortical hemispheres following stroke. This study investigated the relationship between chronic poststroke naming deficits and cerebello-cerebral resting-state functional connectivity (FC). Methods: Twenty-five cognitively normal participants and 42 participants with chronic poststroke aphasia underwent resting-state functional magnetic resonance imaging. Participants with aphasia also underwent language assessment. We conducted regions of interest (ROI)-to-ROI analyses to investigate the FC between the right cerebellar Crus I/II (seed ROI; Cereb1r/Cereb2r) and bilateral cortical language regions and compared these results to cognitively normal controls. Single-subject connectivity parameters were extracted and used as independent variables in a stepwise multiple linear regression model associating Boston Naming Test (BNT) score with FC measures. Results: FC analyses demonstrated correlations between the right cerebellar Crus I/II and both left and right cortical regions for both cognitively normal controls and stroke participants. Additionally, aphasia severity and lesion load had an effect on the cerebello-cerebral network connectivity in participants with aphasia. In a stepwise multiple linear regression, controlling for aphasia severity, time poststroke and lesion load, FC between the right Cereb2–left Cereb1 (standardized beta [std B]= −0.255, p < 0.004), right Cereb2–right anterior MTG (std B = 0.259, p < 0.004), and the right Cereb2–left anterior STG (std B = −0.208, p < 0.018) were significant predictors of BNT score. The overall model fit was R 2 = 0.786 ( p = 0.001). Conclusion: Functional connections between the right cerebellum and residual bilateral cerebral hemisphere regions may play a role in predicting naming ability in poststroke aphasia.
An evaluation of risankizumab for the treatment of moderate-to-severe ulcerative colitis
Johnson, Amanda M. , Loftus, Edward V.

Mayo Clinic

Expert Opinion on Biological Therapy | November 12, 2024 | Volume: 24 | Issue: 12 | Pages: 1317-1327

10.1080/14712598.2024.2428311 | PMID 39530131 Get It

Methadone Dosing and Postoperative Pain Management in Cardiothoracic Surgery: A Retrospective Cohort Study
Milam, Adam J. , Fah, Megan K. , Houston, Bobby T., Youssef, Mohanad R. , Buckner‐Petty, Skye , D’Souza, Ryan S. , D'Souza, Ryan S , Milam, Adam J , Sell‐Dottin, Kristen , Warner, David O. , Smith, Bradford B.

Mayo Clinic

Anesthesiology | November 12, 2024 | Volume: 141 | Issue: 6 | Pages: 1205-1207

10.1097/aln.0000000000005210 | PMID 39530721 Get It

Evidence-based guideline: premature ovarian insufficiency,
Panay, Nick , Anderson, Richard A. , Bennie, Amy , Cedars, Marcelle I. , Davies, Melanie , Ee, Carolyn , Gravholt, Claus Højbjerg , Kim, Kimberly Q, Rocca, Walter A. , POI, ESHRE, ASRM, CREWHIRL, and IMS Guideline Group on, Yeganeh, Ladan , Giri, Rinky, Flanagan, M. , Mousa, Aya , Nappi, Rossella E , Rocca, Walter A , Teede, Helena , Vermeulen, Nathalie , Vincent, Amanda J , Gravholt, Claus H , Kalantaridou, Sophia , Kallen, Amanda Nicole , Misrahi, Micheline , Ruan, Xiangyan , Vogt, Elinor , POI, ESHRE, ASRM, CREWHIRL, and IMS Guideline Group on, Flanagan, Madeline

Mayo Clinic

Human Reproduction Open | November 12, 2024 | Volume: 2024 | Issue: 4 | Pages: No page available

10.1093/hropen/hoae065 | PMID 39660328 Get It

Abstract STUDY QUESTION How should premature/primary ovarian insufficiency (POI) be diagnosed and managed based on the best available evidence from published literature? SUMMARY ANSWER The current guideline provides 145 recommendations on symptoms, diagnosis, causation, sequelae, and treatment of POI. WHAT IS KNOWN ALREADY Premature ovarian insufficiency (POI) presents a significant challenge to women’s health, with far-reaching implications, both physically and emotionally. The potential implications include adverse effects on quality of life; fertility; and bone, cardiovascular, and cognitive health. Although hormone therapy (HT) can mitigate some of these effects, many questions still remain regarding the optimal management of POI. STUDY DESIGN, SIZE, DURATION The guideline was developed according to the structured methodology for development of ESHRE guidelines. Key questions were determined by a group of experts and informed by a scoping survey of women and health care professionals. Literature searches and assessments were then performed. Papers published up to 30 January 2024 and written in English were included in the guideline. An integrity review was conducted for the randomized controlled trials (RCTs) on POI included in the guideline. PARTICIPANTS/MATERIALS, SETTING, METHODS Based on the collected evidence, recommendations were formulated and discussed within the guideline development group until consensus was reached. Women with lived experience of POI informed the recommendations in general, and particularly on those on provision of care. A stakeholder review was organized after finalization of the draft. The final version was approved by the guideline development group and the ESHRE Executive Committee. MAIN RESULTS AND THE ROLE OF CHANCE New data indicate a higher prevalence of POI, 3.5%, than was previously thought. This guideline aims to help health care professionals to apply best practice care for women with POI. The recent update of the POI guideline covers 40 clinical questions on diagnosis of the condition, the different sequelae, including bone, cardiovascular, neurological and sexual function, fertility and general well-being, and treatment options, including HT. The list of clinical questions was expanded from the previous iteration of the guideline (2015) based on the scoping survey and appreciation of emerging knowledge of POI. Questions were added on the role of anti-Müllerian hormone (AMH) in the diagnosis of POI, fertility preservation, muscle health, and specific considerations for HT in iatrogenic POI. Additionally, the topic on complementary treatments was extended with specific focus on non-hormonal treatments and lifestyle management options. Significant changes from the previous 2015 guideline include the recommendations that only one elevated FSH &gt;25 IU is required for diagnosis of POI, and guidance that AMH testing, repeat FSH measurement, and/or AMH may be required where there is diagnostic uncertainty. Recommendations were also updated regarding genetic testing, estrogen doses and regimens, use of the combined oral contraceptive and testosterone therapy. Women with lived experience of POI informed the recommendations on provision of care. LIMITATIONS, REASONS FOR CAUTION The guideline describes different management options, but it must be acknowledged that for most of these options, supporting evidence is limited for POI. WIDER IMPLICATIONS OF THE FINDINGS The guideline provides health care professionals with clear advice on best practice in POI care, based on the best evidence currently available. In addition, a list of research recommendations is provided to guide further studies in POI. STUDY FUNDING/COMPETING INTEREST(S) The guideline was developed and funded by ESHRE, American Society for Reproductive Medicine (ASRM), Centre for Research Excellence in Women's Health in Reproduction Life (CRE-WHiRL), and International Menopause Society (IMS), covering expenses associated with the guideline meetings, literature searches, and dissemination of the guideline. The guideline group members did not receive payments. N.P. declared grants from Bayer Pharma (research and consultancy) and NIHR—research POISE; consulting fees from Abbott, Astellas, Bayer, Besins, Lawley, Mithra, Theramex, Viatris; honoraria from Astellas, Bayer, Besins, Gedeon Richter, Theramex, Viatris; support for attending meetings and/or travel from Astellas, Bayer, Theramex, Viatris; President, International Menopause Society, Medical Advisory Committee member, British Menopause Society, Patron Daisy Network. A.J.V. declared grants from Amgen Australia, Australian NHMRC, and Australian MRFF; consulting fees from IQ Fertility; honoraria from the Australasian Menopause Society; participation on a Data Safety Monitoring Board or Advisory Board of Astellas; Board Member of the International Menopause Society (2020 to current) and Past president of the Australasian Menopause Society (2017–2019); R.A.A. declared grants from Roche (Research support, to institution), and participation on a Data Safety Monitoring Board of Bayer. M.C. declared grants from NHI; payments or honoraria from Up-to-Date (as editor/reviewer); Board Member of American Society of Reproductive Medicine, and of American Gynecological and Obstetrical Society. M.D. declared (NIHR—HTA Reference Number: NIHR133461; NIHR—HTA Reference Number: NIHR128757; Action Medical Research and Borne: GN2818) consulting fees from a small personal medical practice, support for attending meetings and/or travel from ESHRE, Bayer and UCLH special Trustees; Participation on the Advisory Board of the British Menopause Society, UKSTORE project, the Progress Educational Trust, and the Turner Syndrome Support Society UK; Leadership or fiduciary roles in the British Fertility Society (Trustee), Elizabeth Garrett Anderson Hospital Charity (chair of Trustees), and the Essex Wynter charitable trust (Trustee). C.E. declared being Chair of a SIG from the Royal Australian College of General Practitioners Integrative Medicine Specific Interest Group and Program Lead for Next Practice Western Sydney Integrative Health. C.H.G. declared grants from Novo Nordisk Foundation (Nos. NNF15OC0016474 and NNF20OC0060610), sygesikringen danmark (No 2022-0189), and the Independent Research Fund Denmark (Nos. 0134-00406 and 0134-00130B); consulting fees from Novo Nordisk, Merck, and Astra Zeneca. S.K. declared grants from Roche diagnostics. A.K. declared grants from NIH R01 5R01HD101475; consulting fees as Medical Reviewer for Flo and for Healthline; honoraria as Medical Consultant for Summus; support for attending meetings from the Reproductive Scientist Development Program; Society for Reproductive Investigation Council Member and Society for Assisted Reproduction Registry/Validation Chair; R.E.N. declared consulting fees from Astellas, Bayer Pharma, Besins Healthcare, Fidia, Theramex; honoraria from Abbott, Astellas, Exeltis, Fidia, Gedeon Richter, Merck & Co, Novo Nordisk, Shionogi Limited, Theramex, Viatris; payment for expert testimony from Vichy Laboratories; Participation in Data Safety Monitoring Board of Advisory board from Astellas and Bayer Healthcare; President elect of the International Menopause Society (IMS). H.T. declared a grant from NHMRC Centre for Research Excellence for women’s health in reproductive life. A.B. declared being chair of the Daisy Network Charity. The other authors have no conflicts of interest to declare. DISCLAIMER This guideline represents the views of ESHRE, ASRM, CRE-WHiRL, and IMS, which were achieved after careful consideration of the scientific evidence available at the time of preparation. In the absence of scientific evidence on certain aspects, a consensus between the relevant stakeholders has been obtained. Adherence to these clinical practice guidelines does not guarantee a successful or specific outcome, nor does it establish a standard of care. Clinical practice guidelines do not replace the need for application of clinical judgement to each individual presentation, nor variations based on locality and facility type. The collaborating societies make no warranty, expressed or implied, regarding the clinical practice guidelines and specifically exclude any warranties of merchantability and fitness for a particular use or purpose. (Full disclaimer available at www.eshre.eu/guidelines.)
The American Neurogastroenterology and Motility Society Gastroparesis Cardinal Symptom Index‐Daily Diary (ANMS GCSI‐DD): Psychometric validation and meaningful change threshold in patients with idiopathic or diabetic gastroparesis
Chen, Yaozhu J. , Coyne, Karin S. , Rodriguez, Danielle , Schulz, Andrea, Kuo, Braden , Camilleri, Michael , Tack, Jan , Parkman, Henry P. , Huh, Susanna Y , Kuo, Braden , Camilleri, M , Tack, Jan , Parkman, H P

Mayo Clinic

Neurogastroenterology & Motility | November 12, 2024 | Volume: 37 | Issue: 1 | Pages: No page available

10.1111/nmo.14960 | PMID 39529442 Get It

AbstractIntroductionThe American Neurogastroenterology and Motility Society Gastroparesis Cardinal Symptom Index‐Daily Diary (ANMS GCSI‐DD) is a patient‐reported outcome (PRO) instrument for gastroparesis. This study evaluated the psychometric properties of the ANMS GCSI‐DD and determined a meaningful change threshold using the data from a phase 2b trial in adults with moderate‐to‐severe idiopathic or diabetic gastroparesis (DG).MethodsThe psychometric properties of ANMS GCSI‐DD were analyzed using other clinician‐ and patient‐reported outcomes from 242 patients during the 12‐week trial. Trial exit interviews were conducted in a cohort of 32 patients to capture their perspectives on meaningful change from the trial.ResultsANMS GCSI‐DD demonstrated good performance: unidimensionality scores exhibited good fit; internal consistency reliability was >0.70; test–retest reliability was above 0.90, and convergent validity showed strong correlations (0.70–0.90) with overall severity rating and moderate correlations (0.30–0.70) with other outcomes. ANMS GCSI‐DD scores discriminated among groups with varying severity of gastroparesis symptoms in known‐groups validity (p < 0.001) and were responsive to symptom improvement. Triangulation of the quantitative anchor‐based estimates of 0.9–1.4 category points as a meaningful change in the ANMS GCSI‐DD composite score, and the qualitative exit interview findings of 0.5–1.5 as meaningful change, supports a one‐point change on a five‐point scale (0–4) as the meaningful change threshold.ConclusionThe ANMS GCSI‐DD is a reliable and valid PRO instrument to employ in clinical development for patients with moderate‐to‐severe idiopathic or DG, and a one‐point score change in the ANMS GCSI‐DD composite score is recommended as a meaningful change threshold of symptom change.
Combined Surgical Technique of Hyperselective and Partial Motor Neurectomies for Spastic Equinus, Equinovarus, and Claw Toe Deformities
Wu, Kitty Y. , Pino, Paula A. , Ryssman, Daniel B., Rhee, Peter C.

Mayo Clinic

Plastic and Reconstructive Surgery - Global Open | November 12, 2024 | Volume: 12 | Issue: 11 | Pages: e6207

10.1097/gox.0000000000006207 | PMID 39534367 Get It

Background: Patients with spastic equinus, equinovarus, and claw toe deformities can experience marked pain and functional limitations in the ability to weight-bear comfortably, ambulate efficiently, or mobilize independently. Seen in 80% of patients with cerebral palsy and 18% of patients with stroke (1, 2), the spastic foot and ankle deformities, and its secondary sequelae of static joint contractures, osseous changes, and chronic pain, are unfortunately common. Methods: Adult and pediatric patients undergoing combined hyperselective and selective partial motor neurectomies for varus or claw toe deformities were reviewed. Patient demographics and complications were recorded. Pre- and postoperative Modified Ashworth Scale scores were compared. Results: Twenty-three patients (16 adults and seven pediatric) met inclusion criteria and were included in analysis. At early 6-month follow-up, the mean preoperative Modified Ashworth Score of 2.8 in adult patients and 3.0 in pediatric patients decreased to 0.6 postoperatively. Complications in three adult patients included one patient with temporary dysesthesias to the plantar foot, one with a popliteal abscess requiring incision and drainage, and one superficial wound dehiscence that was managed conservatively. Conclusions: A combined technique of hyperselective and partial motor neurectomies are effective in decreasing tone in the correction of spastic foot and ankle deformities in both adult and pediatric patients in short-term 6-month follow-up.
Iron Deficiency in Collegiate Athletes Obtaining Preparticipation Hemoglobinopathy Screening in the Upper Midwest
Thompson, Christineil , Fairweather, DeLisa , Block, Darci R , Foster, Nathan R. , Steien, Dana, Galardy, Paul J. , Al‐Huniti, Ahmad , Block, Darci, Galardy, Paul J , Fairweather, DeLisa , Trushina, Eugenia , Wang, Zhen

Mayo Clinic

Pediatric Blood & Cancer | November 12, 2024 | Volume: 72 | Issue: 2 | Pages: No page available

10.1002/pbc.31437 | PMID 39529284 Get It

ABSTRACTObjectiveIron and other biologically important metals are essential to mitochondrial function but are not routinely evaluated. Their equilibrium is critical to the optimal performance of cells with high metabolic activity such as neurons, cardiomyocytes, and skeletal myocytes. Teenagers are at a high risk of iron deficiency even without anemia. Metal ion imbalances can cause cognitive impairments, muscle weakness, and sudden cardiac death. We aim to assess the current prevalence of iron deficiency among collegiate athletes in the Upper Midwest.MethodsOur study is a multicenter, retrospective chart review of outpatient clinics in a regional healthcare system between January 2012 and December 2023, and a national public database between 2017 and March 2020. We reviewed the ferritin concentrations of regional collegiate athletes having preparticipation sport evaluations and nationally in the NHANES database.ResultsWe identified 643 unique individuals aged 16–21 years with 253 having ferritin screening. Iron deficiency (ferritin <20 mcg/L) was present in 24.5% and hypoferritinemia (ferritin <50 mcg/L) was present in 66.7% of collegiate athletes. From the NHANES database, 12.7% of active sampled participants aged 16–21 years were iron deficient.ConclusionOur study findings suggest the need for universal screening for iron deficiency among collegiate athletes given the high prevalence of iron deficiency in both the retrospective chart review and NHANES database analysis. Given the critical role of metal ion homeostasis to optimal mitochondrial function, these findings may warrant the inclusion of ferritin testing in cardiac, neurological, and skeletal muscle evaluations.