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83 real negative results, null findings, and replication failures in Medicine · Methods Dead-End. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Methods Dead-EndOpen accessMedicine

Establishing the Minimum Clinically Significant Difference (MCID) and the Patient Acceptable Symptom Score (PASS) for the Hospital Anxiety and Depression Scale (HADS) in Patients with Rotator Cuff Disease and Shoulder Prosthesis

Umile Giuseppe Longo, Rocco Papalia, Sergio De Salvatore et al. · 2023 · Journal of Clinical Medicine

Insufficiently treated shoulder pain may cause mental disturbances, including depression and anxiety. The Hospital Anxiety and Depression Scale (HADS) is a patient-reported outcome measure (PROM) that aims to identify depression and anxiety in patients in nonpsychiatric wards. The aim of this study was to identify the minimum clinically important difference (MCID) and patient acceptable symptom state (PASS) scores for the HADS in a cohort of individuals with rotator cuff disease. Using the HADS, participants' degrees of anxiety and depression were assessed at inception and at their final asses

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Methods Dead-EndMedicine

Automation in the IVF laboratory in 2026: four technology domains, an asymmetric evidence base, and the case for parallel development with clinician-side automation.

Dirican EK · 2026 · Journal of assisted reproduction and genetics

Background Operator-dependent laboratory tasks-embryo selection, vitrification and warming, and intracytoplasmic sperm injection (ICSI)-have been the principal targets of IVF laboratory automation, and a fourth strand of work, integrated…

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Methods Dead-EndMedicine

Exploratory Analysis of the Convergence Between Acoustic Measures and Qualitative Spectrographic Analysis Following Expressiveness Training in Journalism Students.

Batista DJ, da Conceição AS · 2026 · Journal of voice : official journal of the Voice Foundation

Objectives This study aims to explore the convergence between objective acoustic measures and qualitative spectrographic analysis in the evaluation of the effects of an expressiveness-oriented training program in journalism students.…

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Methods Dead-EndOpen accessMedicine

27-Week avocado-soybean unsaponifiables treatment in a knee osteoarthritis rabbit model: histomorphometric assessment of potential disease-modifying effects.

Sabucedo-Suárez A, Muñoz F, Permuy M et al. · 2026 · Frontiers in veterinary science

Osteoarthritis is a chronic degenerative joint disease that affects cartilage and subchondral bone, and there is growing interest in nutraceuticals such as avocado-soybean unsaponifiables as potential disease-modifying agents and possible…

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Methods Dead-EndOpen accessMedicine

The Clinical Validity and Utility of PCR Compared to Conventional Culture and Sensitivity Testing for the Management of Complicated Urinary Tract Infections in Adults: A Secondary (Ad Hoc) Analysis of Pathogen Detection, Resistance Profiles, and Impact on Clinical Outcomes.

Kardjadj M, Chang TW, Chavez R et al. · 2025 · Microorganisms

Clinical success in treating complicated urinary tract infections (cUTIs) depends on accurate pathogen detection, given the common occurrence of polymicrobial infections and antimicrobial resistance. This multicenter, randomized,…

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Methods Dead-EndOpen accessMedicine

Whole exome sequencing and single-cell DNA sequencing for assessment of clonal heterogeneity and evolution in acute myeloid leukemia.

Adhikari S, Eldfors S, Pitkänen E et al. · 2025 · Computational and structural biotechnology journal

Background Acute myeloid leukemia (AML) progresses by the accumulation of somatic mutations and clonal expansion of pre-leukemic cells. Patients may respond to initial therapy, but often relapse, underscoring an evolving disease. Next…

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Methods Dead-EndOpen accessMedicine

Immunodominance of HIV-1 specific CD8+ T-cell responses is related to disease progression rate in vertically infected adolescents.

Elizabeth R Sharp, Christian B Willberg, Peter J Kuebler et al. · 2011 · PLoS ONE

HIV-1 vertically infected children in the USA are living into adolescence and beyond with the widespread use of antiretroviral drugs. These patients exhibit striking differences in the rate of HIV-1 disease progression which could provide insights into mechanisms of control. We hypothesized that differences in the pattern of immunodomination including breadth, magnitude and polyfunctionality of HIV-1 specific CD8+ T cell response could partially explain differences in progression rate.In this study, we mapped, quantified, and assessed the functionality of these responses against individual HIV

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Methods Dead-EndMedicine

Prognostic parameters for local control and survival after radiotherapy of stabilized bone metastases.

Potkrajcic V, Wahl D, Frantz S et al. · 2026 · Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]

Background Postoperative radiotherapy following surgical stabilization in patients with bone metastases is commonly recommended. The aim of the study was to validate existing prognostic scores and parameters for local control and survival…

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Methods Dead-EndMedicine

Prospective evaluation of the CASST score to guide elective tracheostomy following oral cancer surgery: challenges and clinical misalignment.

Gulamani A, Shamim F, Khan S et al. · 2026 · International journal of oral and maxillofacial surgery

The Clinical Assessment Scoring System for Tracheostomy (CASST) was developed to predict the need for elective tracheostomy in head and neck cancer surgery, but evidence on its external performance remains limited. This prospective study…

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Methods Dead-EndMedicine

Propensity Score-Matched Comparison of Patient-Reported Outcomes Between Crowe I Developmental Dysplasia of the Hip and Primary Osteoarthritis Following Total Hip Arthroplasty.

Saluja A, Eschert J, Ren R et al. · 2026 · The Journal of arthroplasty

Background Total hip arthroplasty (THA) is commonly performed for Crowe I developmental dysplasia of the hip (DDH) and primary osteoarthritis (OA), but comparative survivorship and patient-reported outcome measure (PROM) data remain…

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Methods Dead-EndOpen accessMedicine

A Comparative Analysis of Serum Sodium Level Utilizing Direct and Indirect Ion Selective Electrode in Critically Ill Patients with Hypoalbuminemia: Methodological Insights and Clinical Implications

Rukhsana Tumrani, S. Sabahat Haider, Mehvish Sana · 2024 · Pakistan Journal of Medical Research

Background: Serum electrolytes are one of the most frequently requested tests in patients from critical care settings. Methodsfor estimation of serum electrolytes include direct and indirect ion selective electrode (ISE). In case of indirect ISE, the pre-analytical dilution step can result in pseudonormonatremia or pseudohypernatremia in setting of hypoalbuminemia. Discrepancy in sodium results can lead to the misdiagnosis and mismanagement of critically ill patients. Objective: To evaluate the difference of mean serum sodium level measured by direct and indirect ISE in critically ill patients

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