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1.
Cytopathology ; 2024 Jun 30.
Artigo em Inglês | MEDLINE | ID: mdl-38946029

RESUMO

OBJECTIVE: The American College of Radiology Thyroid Imaging Reporting and Data System (TI-RADS) is a widely used method for the management of adult thyroid nodules. However, its use in paediatric patients is controversial because adult fine needle aspiration biopsy (FNAB) recommendations may lead to delayed diagnoses of cancer in children. The objectives of this study were to evaluate the performance of TI-RADS in paediatric thyroid nodules and to tailor FNAB recommendations for children. METHODS: Consecutive surgically resected paediatric thyroid nodules from two tertiary care centres between 2003 and 2021 were reviewed. Ultrasounds were blindly scored by radiologists according to TI-RADS. Management recommendations based on TI-RADS were evaluated. Various modelling methodologies were used to determine the optimal cutoff for FNAB in children. RESULTS: Of the 96 patients, 79 (82%) were female and the median age at surgery was 16.1 years. Fifty (52%) nodules were malignant on surgical pathology. The area under the receiver operating characteristic curve of TI-RADS for predicting malignancy was 0.78. Adult TI-RADS recommendations would have resulted in 4% of cancerous nodules being lost to follow-up. Modifications to TI-RADS (FNAB of all TR3 nodules ≥1.5 cm, FNAB of TR4 and TR5 nodules ≥0.5 cm, surveillance of nodules ≥1 cm, consider surgery for nodules >4 cm) reduced this missed malignancy rate to 0%. CONCLUSIONS: TI-RADS can risk-stratify paediatric thyroid nodules. However, the system requires modifications to reduce the missed malignancy rate in paediatric thyroid nodules. Our data suggest that lower size thresholds for FNAB are warranted in children.

2.
Curr Cardiol Rep ; 2024 Jul 23.
Artigo em Inglês | MEDLINE | ID: mdl-39042343

RESUMO

PURPOSE OF REVIEW: This review provides an overview of the factor XI (FXI) inhibitor hypothesis for the development of novel anticoagulants which may be safer to those currently used in clinical practice and describes preliminary clinical data from phase 2 dose-ranging studies of patients with atrial fibrillation. RECENT FINDINGS: Recent data from phase 2 dose ranging studies demonstrate substantial reductions in bleeding with FXI pathway inhibition compared with currently approved anticoagulants. However, larger studies are necessary to demonstrate efficacy of FXI inhibition for stroke prevention in atrial fibrillation. FXI pathway inhibition holds great promise for revolutionizing the landscape of anticoagulation for atrial fibrillation, primarily by reducing bleeding risk; however, further data are necessary to demonstrate efficacy.

3.
Cureus ; 16(5): e59494, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38826881

RESUMO

More than 100% of the traumatic subluxation of one vertebral body over another in the coronal or sagittal plane is known as traumatic spondyloptosis, which typically results in the contusion of the spinal cord. It is an uncommon yet severe spinal column injury. Here, we present traumatic lumbosacral spondyloptosis at the L5 and S1 levels with complete spinal cord compression with paraplegia and bowel and bladder involvement. The patient underwent posterior spinal fusion (delta fixation) and decompression. The patient improved his motor and sensory deficits at one-month follow-up. By the eighth-month follow-up, the patient had recovered entirely from his motor and sensory deficits and was stable for the entire year.

4.
Cureus ; 16(5): e59923, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38854171

RESUMO

Cervical radiculopathy is a common condition characterized by neck pain radiating to the upper and lower limbs, often accompanied by tingling sensations, numbness, and weakness. We present the case of a 32-year-old male who presented with left-sided cervical radiculopathy and neurological deficits. Clinical examination revealed left C5/C6/C7 hypoesthesia, diminished grip strength, reduced power in the left upper and lower extremities, and a positive Spurling test. Magnetic resonance imaging (MRI) of the cervical spine revealed multilevel cervical disc herniations at C4-C5 and C5-C6 levels, resulting in stenosis. The patient underwent anterior cervical discectomies with artificial disc replacement (cervical disc arthroplasty (CDA)) at the C5-C6 level. The surgical procedure was uneventful, and the patient experienced prompt relief from neurological symptoms within two weeks postoperatively. Follow-up radiographs at one week post-surgery demonstrated a preserved range of motion at each operated level with the artificial disc in situ. This case highlights the successful management of cervical radiculopathy with neurological deficits using anterior cervical discectomy and artificial disc replacement. The timely intervention led to the resolution of symptoms and restoration of function, demonstrating the efficacy of this surgical approach in alleviating radicular symptoms and preserving cervical spine mobility. Further studies and long-term follow-up are warranted to validate the long-term outcomes and durability of artificial disc replacement in such cases.

5.
Cureus ; 16(4): e59121, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38803775

RESUMO

In managing orthopedic trauma, Hoffa's fracture, a rare intra-articular fracture affecting the femoral condyle, presents a unique challenge. We report a case of a 45-year-old male patient who had a traumatic injury and complained of substantial knee discomfort and limited range of motion. The patient had a medial femoral comminuted Hoffa's fracture. Subvastus arthrotomy was employed to handle the fracture successfully, and then a locking reconstruction plate, Herbert screws, and 4 mm cannulated screws were used for precise reduction and fixation. At the one-year follow-up, the patient showed acceptable postoperative results, including recovered knee function and radiographic indications of fracture repair.

6.
Cureus ; 16(4): e57691, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38711710

RESUMO

This comprehensive review delves into the intricate landscape of proximal humerus fractures (PHFs), exploring their epidemiology, historical evolution, contemporary classification systems, treatment strategies, and outcome measures. PHFs present a complex orthopedic challenge, necessitating a nuanced understanding of their multifaceted dimensions. Despite their clinical significance, PHFs remain relatively understudied in population-based epidemiology. This review critically examines existing literature to uncover the incidence, prevalence, and demographic patterns associated with these fractures. A foundational understanding of the epidemiological landscape is crucial for effective preventive strategies and optimized fracture management. Tracing back to historical records, the review explores the evolution of diagnostic and therapeutic approaches for PHFs. From ancient treatment modalities documented on the Edwin Smith papyrus to contemporary X-ray-based classifications such as Neer and AO/OTA, a historical context is provided to understand the journey of managing these fractures. Navigating through a spectrum of treatment strategies, the review contrasts nonoperative approaches with various surgical interventions. The challenges and outcomes associated with conservative management are juxtaposed against methods like open reduction internal fixation and tension band osteosynthesis. Evidence synthesis guides clinicians in making informed decisions based on patient characteristics and fracture complexities. Central to assessing PHF management are patient-reported outcome measures. The review explores the significance of instruments such as the Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire and the Constant-Murley score in evaluating treatment success. The shift toward subjective measures is discussed, considering their correlation with patient experiences and the concept of minimal clinically important difference. The impact of demographic factors, including age and gender, on PHFs is scrutinized. The association between these fractures and osteoporosis is highlighted, emphasizing the crucial role of bone health in fracture prevention and management. Through this comprehensive exploration, the review provides a robust foundation for understanding, evaluating, and advancing the management strategies for PHFs. The synthesis of historical perspectives, contemporary classifications, and treatment modalities serves as a valuable resource for the orthopedic community, fostering improved clinical decision-making and patient outcomes.

7.
Artigo em Inglês | MEDLINE | ID: mdl-38815149

RESUMO

BACKGROUND: We sought to characterize circulating protein biomarkers associated with cardiogenic shock (CS) using highly multiplex proteomic profiling. METHODS: This analysis employed a cross-sectional case-control study design using a biorepository of patients admitted to a cardiac intensive care unit between 2017-2020. Cases were patients adjudicated to have CS and controls were those presenting for cardiac critical care without shock, including subsets of patients with isolated hypotension or heart failure (HF). The Olink platform was used to analyze 359 biomarkers with Bonferroni correction. RESULTS: The analysis included 239 patients presenting for cardiac critical care (69 cases with CS, 170 non-shock controls). A total of 63 biomarkers (17.7%) were significantly associated with CS after Bonferroni correction compared with all controls. Of these, nine biomarkers remained significantly associated with CS when separately cross-validated in subsets of controls presenting with isolated hypotension and HF: cathepsin D, fibroblast growth factor (FGF)-21 and -23, growth differentiation factor (GDF)-15, insulin-like growth factor binding protein-1, N-terminal pro-B-type natriuretic peptide, osteopontin, oncostatin-M-specific receptor subunit beta (OSMR), and soluble ST2 protein (sST2). Four biomarkers were identified as providing complementary information for CS diagnosis with development of a multi-marker model: sST2, FGF-23, CTSD, and GDF-15. CONCLUSION: In this pilot study of targeted proteomic profiling in CS, we identified nine biomarkers significantly associated with CS when cross-validated against non-shock controls including those with HF or isolated hypotension, illustrating the potential application of a targeted proteomic approach to identify novel candidates that may support the diagnosis of CS.

8.
Circ Heart Fail ; 17(5): e011736, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38587438

RESUMO

BACKGROUND: Associations of early changes in vasoactive support with cardiogenic shock (CS) mortality remain incompletely defined. METHODS: The Critical Care Cardiology Trials Network is a multicenter registry of cardiac intensive care units. Patients admitted with CS (2018-2023) had vasoactive dosing assessed at 4 and 24 hours from cardiac intensive care unit admission and quantified by the vasoactive-inotropic score (VIS). Prognostic associations of VIS at both time points, as well as change in VIS from 4 to 24 hours, were examined. Interaction testing was performed based on mechanical circulatory support status. RESULTS: Among 3665 patients, 82% had a change in VIS <10, with 7% and 11% having a ≥10-point increase and decrease from 4 to 24 hours, respectively. The 4 and 24-hour VIS were each associated with cardiac intensive care unit mortality (13%-45% and 11%-73% for VIS <10 to ≥40, respectively; Ptrend <0.0001 for each). Stratifying by the 4-hour VIS, changes in VIS from 4 to 24 hours had a graded association with mortality, ranging from a 2- to >4-fold difference in mortality comparing those with a ≥10-point increase to ≥10-point decrease in VIS (Ptrend <0.0001). The change in VIS alone provided good discrimination of cardiac intensive care unit mortality (C-statistic, 0.72 [95% CI, 0.70-0.75]) and improved discrimination of the 24-hour Sequential Organ Failure Assessment score (0.72 [95% CI, 0.69-0.74] to 0.76 [95% CI, 0.74-0.78]) and the clinician-assessed Society for Cardiovascular Angiography and Interventions shock stage (0.72 [95% CI, 0.70-0.74] to 0.77 [95% CI, 0.75-0.79]). Although present in both groups, the mortality risk associated with VIS was attenuated in patients managed with versus without mechanical circulatory support (odds ratio per 10-point higher 24-hour VIS, 1.36 [95% CI, 1.23-1.49] versus 1.84 [95% CI, 1.69-2.01]; Pinteraction <0.0001). CONCLUSIONS: Early changes in the magnitude of vasoactive support in CS are associated with a gradient of risk for mortality. These data suggest that early VIS trajectory may improve CS prognostication, with the potential to be leveraged for clinical decision-making and research applications in CS.


Assuntos
Sistema de Registros , Choque Cardiogênico , Humanos , Choque Cardiogênico/mortalidade , Choque Cardiogênico/terapia , Masculino , Feminino , Idoso , Pessoa de Meia-Idade , Cuidados Críticos/métodos , Fatores de Tempo , Mortalidade Hospitalar , Prognóstico , Medição de Risco
9.
Cureus ; 16(3): e55476, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38571853

RESUMO

Direct oral anticoagulants (DOACs), such as apixaban, are used for the prevention and management of thromboembolic diseases. Here, we present a case of a 72-year-old African American woman who presented to the hospital with shortness of breath and precordial chest pain for three days. The patient was diagnosed with volume overload associated with the progression of chronic kidney disease (CKD) and subsequently admitted to the hospital. Since the patient failed to adequately respond to diuretics, hemodialysis was initiated. During the hospital stay, she developed paroxysmal atrial fibrillation. Along with amiodarone, apixaban was started for primary stroke prophylaxis. Within 72 hours, the patient developed worsening chest pain. An echocardiogram revealed a large pericardial effusion with cardiac tamponade. She was taken for an emergent open pericardial window placement to relieve cardiac tamponade, where 600 mL of blood was drained. Considering the timeline of the development of a large bloody pericardial effusion following initiation of apixaban, spontaneous hemorrhagic cardiac tamponade attributed to the use of apixaban was diagnosed. The patient was eventually taken off all anticoagulants. In considering potential mechanisms, impaired hepatic and renal metabolism of apixaban could be factored in this case. In addition, CKD can increase bleeding risk, due to platelet dysfunction and impaired interaction of von Willebrand factor with GPIIb-IIIa. Moreover, renal secretion of apixaban is mediated by p-glycoprotein and amiodarone is an inhibitor of this protein. Although extremely rare, spontaneous hemorrhagic cardiac tamponade can occur with the use of DOACs, such as apixaban. Prompt recognition and urgent treatment remain keys to avoiding adverse patient outcomes.

10.
Cureus ; 16(3): e55416, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38567216

RESUMO

Lateral tibial plateau fractures are generally present as depressed fractures. The lateral tibial plateau is more common than the medial tibial plateau, often due to a bumper injury. If depressed fragments are more than 8-10 mm, then surgical management is usually needed. Anterolateral fixation is frequently used for unicondylar lateral tibial plateau fractures. Here, we present an articular depressed lateral tibia plateau fracture in a Schatzker type 3 case. The fracture was managed through an anterolateral approach with sub-meniscal arthrotomy, allowing for direct visualization and subsequent fixation using bone cement and a cannulated cancellous screw. Postoperative imaging confirmed proper reduction, and the patient had a satisfactory outcome..

11.
Circulation ; 149(23): 1789-1801, 2024 Jun 04.
Artigo em Inglês | MEDLINE | ID: mdl-38583093

RESUMO

BACKGROUND: Sodium-glucose cotransporter-2 inhibitors (SGLT2i) consistently improve heart failure and kidney-related outcomes; however, effects on major adverse cardiovascular events (MACE) across different patient populations are less clear. METHODS: This was a collaborative trial-level meta-analysis from the SGLT2i Meta-analysis Cardio-Renal Trialists Consortium, which includes all phase 3, placebo-controlled, outcomes trials of SGLT2i across 3 patient populations (patients with diabetes at high risk for atherosclerotic cardiovascular disease, heart failure [HF], or chronic kidney disease). The outcomes of interest were MACE (composite of cardiovascular death, myocardial infarction , or stroke), individual components of MACE (inclusive of fatal and nonfatal events), all-cause mortality, and death subtypes. Effect estimates for SGLT2i versus placebo were meta-analyzed across trials and examined across key subgroups (established atherosclerotic cardiovascular disease, previous myocardial infarction, diabetes, previous HF, albuminuria, chronic kidney disease stages, and risk groups). RESULTS: A total of 78 607 patients across 11 trials were included: 42 568 (54.2%), 20 725 (26.4%), and 15 314 (19.5%) were included from trials of patients with diabetes at high risk for atherosclerotic cardiovascular disease, HF, or chronic kidney disease, respectively. SGLT2i reduced the rate of MACE by 9% (hazard ration [HR], 0.91 [95% CI, 0.87-0.96], P<0.0001) with a consistent effect across all 3 patient populations (I2=0%) and across all key subgroups. This effect was primarily driven by a reduction in cardiovascular death (HR, 0.86 [95% CI, 0.81-0.92], P<0.0001), with no significant effect for myocardial infarction in the overall population (HR, 0.95 [95% CI, 0.87-1.04], P=0.29), and no effect on stroke (HR, 0.99 [95% CI, 0.91-1.07], P=0.77). The benefit for cardiovascular death was driven primarily by reductions in HF death and sudden cardiac death (HR, 0.68 [95% CI, 0.46-1.02] and HR, 0.86 [95% CI, 0.78-0.95], respectively) and was generally consistent across subgroups, with the possible exception of being more apparent in those with albuminuria (Pinteraction=0.02). CONCLUSIONS: SGLT2i reduce the risk of MACE across a broad range of patients irrespective of atherosclerotic cardiovascular disease, diabetes, kidney function, or other major clinical characteristics at baseline. This effect is driven primarily by a reduction of cardiovascular death, particularly HF death and sudden cardiac death, without a significant effect on myocardial infarction in the overall population, and no effect on stroke. These data may help inform selection for SGLT2i therapies across the spectrum of cardiovascular-kidney-metabolic disease.


Assuntos
Doenças Cardiovasculares , Inibidores do Transportador 2 de Sódio-Glicose , Inibidores do Transportador 2 de Sódio-Glicose/uso terapêutico , Inibidores do Transportador 2 de Sódio-Glicose/efeitos adversos , Humanos , Doenças Cardiovasculares/mortalidade , Insuficiência Renal Crônica/mortalidade , Insuficiência Renal Crônica/tratamento farmacológico , Diabetes Mellitus Tipo 2/tratamento farmacológico , Diabetes Mellitus Tipo 2/mortalidade , Diabetes Mellitus Tipo 2/complicações , Feminino , Masculino , Resultado do Tratamento , Idoso
12.
Cureus ; 16(3): e55794, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38586778

RESUMO

Giant cell tumors are benign yet locally aggressive neoplasms commonly observed in the distal radius, exhibiting higher recurrence rates compared to other tumor types. This study presents a case involving a 50-year-old farmer who presented with swelling at the distal end of his wrist. The patient underwent treatment involving intralesional curettage and supplementation with zoledronic acid, resulting in a significant reduction in the tumor's potential for recurrence. This approach aims to achieve an optimal balance between functional outcomes and disease management in the majority of cases. While this strategy proves effective in most instances, there may be scenarios where resection becomes imperative due to the severity of the disease, ensuring adequate disease clearance. In such circumstances, judicious decision-making coupled with an appropriate treatment plan is crucial to guarantee a satisfactory outcome, even in the face of challenges.

13.
Artigo em Inglês | MEDLINE | ID: mdl-38494856

RESUMO

OBJECTIVE: Hemithyroidectomy is often performed in the pediatric population for indeterminate or benign thyroid nodules. Prior studies confirmed the safety of same-day discharge for adults undergoing hemithyroidectomy or total thyroidectomy, but this has not been studied thoroughly in the pediatric population. Our goal was to determine differences in pediatric patients undergoing hemithyroidectomy who were admitted versus discharged for complications or factors to support same-day discharge. STUDY DESIGN: Retrospective cohort. SETTING: Pediatric tertiary care hospital. METHODS: This was a retrospective study of pediatric patients (0-18 years of age) undergoing hemithyroidectomy at a pediatric tertiary care hospital from 2003 to 2022. Perioperative variables and outcomes were gathered via manual chart review. RESULTS: One hundred five pediatric patients who underwent hemithyroidectomy were identified. Ninety (86%) patients were admitted postoperatively, and 15 (14%) were discharged the same day. There were no differences in patient demographics, including age (P = 0.29) distance from the hospital (P = 0.08) or benign versus malignant pathology (P = 0.93). Surgical time in same-day discharges was significantly shorter (P = 0.0001; 138.6 minutes, SD = 66.0) versus admitted patients (204.2 minutes, SD = 48.6) Hemostatic agents were used more in same-day discharges at 53.3% versus 4.5% (P = 0.0001). Perioperative complications occurred in 2 (2.2%) admitted patients compared to none in the same-day discharge (P = 1.0). There were no readmissions within 30 days for same-day discharges. CONCLUSION: In pediatric patients undergoing uncomplicated hemithyroidectomy, same-day discharge appears appropriate for those with shorter surgical times and intraoperative use of hemostatic agents with no readmissions or complications in those discharged the same day.

14.
Cureus ; 16(1): e53290, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38435864

RESUMO

Sarcoidosis is a non-caseating granulomatous disorder affecting multiple organs. Although the lungs are the most common site of presentation, extra-pulmonary manifestations involving the skin and heart can occur. Sarcoidosis affecting skull bone is uncommon and involvement of skin, heart, and skull bone all together, without pulmonary manifestations, is extremely rare. We report a 63-year-old Caucasian woman with a past history of cutaneous sarcoidosis and granulomatous skull bone lesions who presented with recurrent syncope. An ambulatory cardiac monitor detected intermittent high-grade atrioventricular block and cardiac MRI confirmed the diagnosis of cardiac sarcoidosis. This case represents an extremely unique journey of sarcoidosis and suggests potential consideration for cardiac sarcoidosis screening in patients with a history of extra-cardiac manifestations.

15.
Ann Med Surg (Lond) ; 86(3): 1531-1539, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38463097

RESUMO

Endometrial cancer is one of the most prevalent tumours in females and holds an 83% survival rate within 5 years of diagnosis. Hypoestrogenism is a major risk factor for the development of endometrial carcinoma (EC) therefore two major types are derived, type 1 being oestrogen-dependent and type 2 being oestrogen independent. Surgery, chemotherapeutic drugs, and radiation therapy are only a few of the treatment options for EC. Treatment of gynaecologic malignancies greatly depends on diagnosis or prognostic prediction. Diagnostic imaging data and clinical course prediction are the two core pillars of artificial intelligence (AI) applications. One of the most popular imaging techniques for spotting preoperative endometrial cancer is MRI, although this technique can only produce qualitative data. When used to classify patients, AI improves the effectiveness of visual feature extraction. In general, AI has the potential to enhance the precision and effectiveness of endometrial cancer diagnosis and therapy. This review aims to highlight the current status of applications of AI in endometrial cancer and provide a comprehensive understanding of how recent advancements in AI have assisted clinicians in making better diagnosis and improving prognosis of endometrial cancer. Still, additional study is required to comprehend its strengths and limits fully.

17.
Ann Med Surg (Lond) ; 86(1): 308-318, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38222721

RESUMO

MicroRNAs (miRNAs) are short non-coding RNAs that play a critical role in regulating gene expression by binding to target messenger RNAs (mRNAs). They were first discovered around 8 years after the identification of the first miRNA in 1993, and since then, there has been a significant increase in miRNA-related research and discoveries. MiRNAs have been implicated in various biological processes, including cancer, particularly in colorectal cancer (CRC). In CRC, miRNAs act as either oncogenes or tumor suppressors, influencing essential cellular functions such as cell proliferation, apoptosis, angiogenesis, and metastasis. The dysregulation of miRNAs in CRC can arise from different factors, leading to abnormal expression levels of their target mRNAs and subsequently affecting protein production. Consequently, miRNAs may directly target oncogenes or tumor suppressor genes, thereby contributing to cancer initiation and progression. Notably, tumors often exhibit reduced expression of mature miRNAs. In CRC research, miRNAs offer potential as diagnostic biomarkers and therapeutic targets. Specific miRNA profiles could serve as non-invasive tools for early CRC detection and risk assessment. Additionally, miRNA-based therapies present a promising approach for targeted cancer treatment by modulating miRNA expression. However, challenges related to delivery systems and long-term safety must be addressed to fully harness their therapeutic potential.

18.
Circulation ; 149(12): 932-943, 2024 03 19.
Artigo em Inglês | MEDLINE | ID: mdl-38264923

RESUMO

BACKGROUND: The efficacy and safety of non-vitamin-K antagonist oral anticoagulants (NOACs) across the spectrum of body mass index (BMI) and body weight (BW) remain uncertain. METHODS: We analyzed data from COMBINE AF (A Collaboration Between Multiple Institutions to Better Investigate Non-Vitamin K Antagonist Oral Anticoagulant Use in Atrial Fibrillation), which pooled patient-level data from the 4 pivotal randomized trials of NOAC versus warfarin in patients with atrial fibrillation. The primary efficacy and safety outcomes were stroke or systemic embolic events (stroke/SEE) and major bleeding, respectively; secondary outcomes were ischemic stroke/SEE, intracranial hemorrhage, death, and the net clinical outcome (stroke/SEE, major bleeding, or death). Each outcome was examined across BMI and BW. Because few patients had a BMI <18.5 kg/m2 (n=598), the primary analyses were restricted to those with a BMI ≥18.5 kg/m2. RESULTS: Among 58 464 patients, the median BMI was 28.3 (interquartile range, 25.2-32.2) kg/m2, and the median BW was 81.0 (interquartile range, 70.0-94.3) kg. The event probability of stroke/SEE was lower at a higher BMI irrespective of treatment, whereas the probability of major bleeding was lower at a higher BMI with warfarin but relatively unchanged across BMI with NOACs. NOACs reduced stroke/SEE overall (adjusted hazard ratio [HRadj], 0.80 [95% CI, 0.73-0.88]; P<0.001), with a generally consistent effect across BMI (Ptrend across HRs, 0.48). NOACs also reduced major bleeding overall (HRadj, 0.88 [95% CI, 0.82-0.94]; P<0.001), but with attenuation of the benefit at a higher BMI (trend test across BMI [Ptrend], 0.003). The overall treatment effects of NOACs versus warfarin for secondary outcomes were consistent across BMI, with the exception of the net clinical outcome and death. While these outcomes were overall reduced with NOACs (net clinical outcome, HRadj, 0.91 [95% CI, 0.87-0.95]; P<0.001; death, HRadj, 0.91 [95% CI, 0.86-0.97]; P=0.003), these benefits were attenuated at higher BMI (Ptrend, 0.001 and 0.08, respectively). All findings were qualitatively similar when analyzed across BW. CONCLUSIONS: The treatment effect of NOACs versus warfarin in atrial fibrillation is generally consistent for stroke/SEE across the spectrum of BMI and BW, whereas the reduction in major bleeding is attenuated in those with higher BMI or BW. Death and the net clinical outcome are overall reduced with NOACs over warfarin, although there remain uncertainties for these outcomes at a very high BMI and BW.


Assuntos
Fibrilação Atrial , Acidente Vascular Cerebral , Humanos , Varfarina/efeitos adversos , Anticoagulantes/efeitos adversos , Fibrilação Atrial/diagnóstico , Fibrilação Atrial/tratamento farmacológico , Fibrilação Atrial/induzido quimicamente , Índice de Massa Corporal , Administração Oral , Ensaios Clínicos Controlados Aleatórios como Assunto , Hemorragia/complicações , Acidente Vascular Cerebral/epidemiologia , Acidente Vascular Cerebral/etiologia , Acidente Vascular Cerebral/prevenção & controle , Peso Corporal , Resultado do Tratamento
19.
Bioorg Chem ; 143: 107045, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38147786

RESUMO

One of the leading causes of mortality in the world is cancer. This disease occurs when responsible genes that regulate the cell cycle become inactive due to internal or external factors. Specifically, the G1/S and S/G2 transitions in the cell cycle are controlled by a protein called cyclin-dependent kinase 2 (CDK2). CDKs, which play a crucial role in managing the cell cycle, have been a wide area of research in cancer treatment. Over the past 11 years, significant research has been made in identifying potent, targeted, and efficient inhibitors of CDK2. In this summary, we have summarized recent developments in the synthesis and biological evaluation of CDK2 inhibitors.


Assuntos
Quinases relacionadas a CDC2 e CDC28 , Neoplasias , Quinase 2 Dependente de Ciclina , Proteínas Serina-Treonina Quinases , Quinases Ciclina-Dependentes , Proteínas de Ciclo Celular , Ciclo Celular , Inibidores Enzimáticos/farmacologia , Neoplasias/tratamento farmacológico
20.
Eur J Heart Fail ; 26(2): 260-269, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38131261

RESUMO

AIM: N-terminal pro-B-type natriuretic peptide (NT-proBNP) concentrations are lower in patients with obesity. The interaction between body mass index (BMI) and NT-proBNP with respect to heart failure risk remains incompletely defined. METHODS AND RESULTS: Data were pooled across three randomized clinical trials enrolling predominantly patients who were overweight or obese with established cardiometabolic disease: SAVOR-TIMI 53, DECLARE-TIMI 58 and CAMELLIA-TIMI 61. Hospitalization for heart failure (HHF) was examined across strata of baseline BMI and NT-proBNP. The effect of dapagliflozin versus placebo was assessed for a treatment interaction across BMI categories in patients with or without an elevated baseline NT-proBNP (≥125 pg/ml). Among 24 455 patients, the median NT-proBNP was 96 (interquartile range [IQR]: 43-225) pg/ml and the median BMI was 33 (IQR 29-37) kg/m2, with 68% of patients having a BMI ≥30 kg/m2. There was a significant inverse association between NT-proBNP and BMI which persisted after adjustment for all clinical variables (p < 0.001). Within any range of NT-proBNP, those at higher BMI had higher risk of HHF at 2 years (comparing BMI <30 vs. ≥40 kg/m2 for NT-proBNP ranges of <125, 125-<450 and ≥450 pg/ml: 0.0% vs. 0.6%, 1.3% vs. 4.0%, and 8.1% vs. 13.8%, respectively), which persisted after multivariable adjustment (adjusted hazard ratio [HRadj] 7.47, 95% confidence interval [CI] 3.16-17.66, HRadj 3.22 [95% CI 2.13-4.86], and HRadj 1.87 [95% CI 1.35-2.60], respectively). In DECLARE-TIMI 58, dapagliflozin versus placebo consistently reduced HHF across BMI categories in those with an elevated NT-proBNP (p-trend for HR across BMI = 0.60), with a pattern of greater absolute risk reduction (ARR) at higher BMI (ARR for BMI <30 to ≥40 kg/m2: 2.2% to 4.7%; p-trend = 0.059). CONCLUSIONS: The risk of HHF varies across BMI categories for any given range of circulating NT-proBNP. These findings showcase the importance of considering BMI when applying NT-proBNP for heart failure risk stratification, particularly for patients with low-level elevations in NT-proBNP (125-<450 pg/ml) where there appears to be a clinically meaningful absolute and relative risk gradient.


Assuntos
Glucosídeos , Insuficiência Cardíaca , Humanos , Índice de Massa Corporal , Biomarcadores , Insuficiência Cardíaca/epidemiologia , Insuficiência Cardíaca/tratamento farmacológico , Peptídeo Natriurético Encefálico/uso terapêutico , Compostos Benzidrílicos/uso terapêutico , Obesidade/complicações , Obesidade/epidemiologia , Fragmentos de Peptídeos/uso terapêutico , Prognóstico
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