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1.
Am J Geriatr Psychiatry ; 32(2): 180-191, 2024 02.
Artigo em Inglês | MEDLINE | ID: mdl-37838541

RESUMO

OBJECTIVE: To evaluate the risk of cognitive impairment among patients with chronic viral hepatitis. DESIGN: A cross-sectional study. SETTING: Population-based. PARTICIPANTS: Individuals 60 years or older were enrolled from the Taiwan Biobank database from 2012. EXPOSURE: Hepatitis B virus and hepatitis C virus infections. MEASUREMENT: Cognitive impairment was evaluated using the mini-mental state examination (MMSE). Logistic regression models were used to calculate odds ratios and 95% confidence intervals (CIs). The effects of APOE ε4 polymorphisms on the association between viral hepatitis and the risk of cognitive impairment were also investigated. RESULTS: We recruited 912 participants with cognitive impairment and 22 869 participants without cognitive impairment. The adjusted odds ratio (aOR) for cognitive impairment was 1.38 (95% CI: 1.03-1.85, p = 0.033) among participants with hepatitis C virus infection and 1.14 (95% CI: 0.91-1.43, p = 0.257) among participants with hepatitis B virus infection. Participants with hepatitis C virus infection and without hepatitis B virus infection had a higher risk of cognitive impairment (aOR: 1.52, 95% CI: 1.13-2.04, p = 0.006). The MMSE subcategories most associated with hepatitis C virus infection were orientation and design copying. The association between hepatitis C virus infection and cognitive impairment was higher among participants with ε4 alleles of the APOE gene than among those without alleles (aOR: 2.18, 95% CI: 1.21-3.91, p = 0.009). CONCLUSIONS: Our findings suggest that individuals 60 years or older with chronic hepatitis C virus infection are at increased risk of cognitive impairment.


Assuntos
Disfunção Cognitiva , Hepatite B , Hepatite C Crônica , Humanos , Idoso , Apolipoproteína E4/genética , Estudos Transversais , Hepatite C Crônica/complicações , Hepatite C Crônica/epidemiologia , Taiwan/epidemiologia , Disfunção Cognitiva/epidemiologia , Disfunção Cognitiva/genética
2.
Postgrad Med J ; 100(1181): 142-150, 2024 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-38055906

RESUMO

BACKGROUND: Contrast-induced nephropathy has become increasingly prevalent as the age and prevalence of comorbidities in the general population have increased. Most cases of contrast-induced nephropathy are reversible; however, some may progress to acute kidney disease, and subsequently, to chronic kidney disease. Sodium-glucose cotransporter 2 inhibitors (SGLT2i) are known for their renoprotective effects. However, whether the use of these inhibitors affects the risk of contrast-induced kidney injury remains unclear. METHODS: Data were collected from the Taipei Medical University Clinical Research Database. We included patients with diabetes who had contrast exposure between 2016 and 2020 because of computed tomography or coronary angiography. The primary outcome was the risk of a major adverse kidney event (MAKE), which encompassed acute kidney disease, chronic kidney disease progression, and the need for renal replacement therapy. Overlap weighting was performed to reduce the effects of potential confounders. RESULTS: This study included 12 421 patients, who were divided into two groups: SGLT2i users (n = 920) and nonusers (n = 11 501). The follow-up period after contrast exposure was 6 months. The risk of a MAKE was lower in SGLT2i users than in nonusers (incidence, 36.9 vs. 49.9 per 1000 person-months, respectively; P = .0011). Furthermore, the incidence of acute kidney disease or chronic kidney disease progression was significantly lower in the SGLT2i users than in nonusers. However, no significant between-group difference was noted in the incidence of other MAKEs. CONCLUSIONS: SGLT2i may be safely used in diabetic patients needing contrast exposure. The risk of a MAKE may be lower in SGLT2i users than in nonusers.


Assuntos
Diabetes Mellitus Tipo 2 , Insuficiência Renal Crônica , Inibidores do Transportador 2 de Sódio-Glicose , Humanos , Diabetes Mellitus Tipo 2/tratamento farmacológico , Diabetes Mellitus Tipo 2/epidemiologia , Inibidores do Transportador 2 de Sódio-Glicose/efeitos adversos , Rim , Insuficiência Renal Crônica/induzido quimicamente , Insuficiência Renal Crônica/epidemiologia , Glucose , Sódio , Estudos Retrospectivos
3.
Angew Chem Int Ed Engl ; 62(33): e202305571, 2023 Aug 14.
Artigo em Inglês | MEDLINE | ID: mdl-37312245

RESUMO

Maximizing hole-transfer kinetics-usually a rate-determining step in semiconductor-based artificial photosynthesis-is pivotal for simultaneously enabling high-efficiency solar hydrogen production and hole utilization. However, this remains elusive yet as efforts are largely focused on optimizing the electron-involved half-reactions only by empirically employing sacrificial electron donors (SEDs) to consume the wasted holes. Using high-quality ZnSe quantum wires as models, we show that how hole-transfer processes in different SEDs affect their photocatalytic performances. We found that larger driving forces of SEDs monotonically enhance hole-transfer rates and photocatalytic performances by almost three orders of magnitude, a result conforming well with the Auger-assisted hole-transfer model in quantum-confined systems. Intriguingly, further loading Pt cocatalyts can yield either an Auger-assisted model or a Marcus inverted region for electron transfer, depending on the competing hole-transfer kinetics in SEDs.

4.
J Clin Monit Comput ; 36(3): 649-655, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-33783692

RESUMO

High-flow nasal oxygen (HFNO) has been used in "tubeless" shared-airway surgeries but whether HFNO increased the fire hazard is yet to be examined. We used a physical model for simulation to explore fire safety through a series of ignition trials. An HFNO device was attached to a 3D-printed nose with nostrils connected to a degutted raw chicken. The HFNO device was set at twenty combinations of different oxygen concentration and gas flow rate. An electrocautery and diode laser were applied separately to a fat cube in the cavity of the chicken. Ten 30 s trials of continuous energy source application were conducted. An additional trial of continuous energy application was conducted if no ignition was observed for all the ten trials. A total of eight short flashes were observed in one hundred electrocautery tests; however, no continuous fire was observed among them. There were thirty-six events of ignition in one hundred trials with laser, twelve of which turned into violent self-sustained fires. The factors found to be related to a significantly increased chance of ignition included laser application, lower gas flow, and higher FiO2. The native tissue and smoke can ignite and turn into violent self-sustained fires under HFNO and continuous laser strikes, even in the absence of combustible materials. The results suggest that airway surgeries must be performed safely with HFNO if only a short intermittent laser is used in low FiO2.


Assuntos
Diatermia , Incêndios , Eletrocoagulação , Humanos , Lasers , Oxigênio
5.
Hell J Nucl Med ; 21(1): 77-80, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-29550850

RESUMO

Inflammatory myofibroblastic tumor (IMT) is an uncommon neoplasm that has been described in various locations throughout the body, but is rarely observed in systemic lymph nodes. We present a case of a 63 years old woman with left inguinal lymphadenopathy accompanied by low-grade fever. Fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT) revealed abnormal higher 18F-FDG uptake on the neck, axillar, pulmonary hilar, mediastinal, mesenteric, retroperitoneal, pelvic and inguinal lymph nodes. These findings led to an initial misdiagnosis of lymphoma. Final histological diagnosis revealed an IMT. The patient was treated with oral steroids. Ultrasound assessments showed a complete resolution of systemic enlarged lymph nodes at the end of 1 month of therapy. There has been no evidence of recurrence through 12 months of post-treatment monitoring. This case suggests that IMT should be considered as a possible differential diagnosis in apparent cases of lymphoma. Further, it indicates that steroid therapy may serve as an effective treatment for IMTs that systemically affect lymph nodes.


Assuntos
Fluordesoxiglucose F18 , Linfoma/diagnóstico por imagem , Miofibroblastos/patologia , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada , Diagnóstico Diferencial , Feminino , Humanos , Pessoa de Meia-Idade
6.
Am J Nephrol ; 45(1): 22-31, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-27866208

RESUMO

BACKGROUND: The association of renal cancer with viral hepatitis infection remains unclear. Using an insurance data set, this population-based case-control study evaluated the association of renal cancer with chronic hepatitis virus infection in an endemic area of hepatitis B virus (HBV) and hepatitis C virus (HCV) infection. METHODS: We enrolled 17,747 patients with renal cancer during the period from 2000 to 2011 from the National Health Insurance Research Database of Taiwan. The control group comprised 35,494 randomly selected people without renal cancer matched by age and gender to the patients in the study group. ORs were calculated to assess the association of chronic hepatitis virus infection with renal cancer by using logistic regression analysis. RESULTS: Renal cancer was associated with HBV and HCV infection (OR 1.38, 95% CI 1.24-1.54; OR 1.24, 95% CI 1.07-1.44, respectively). An analysis stratified by gender and age revealed that young male HBV carriers had a higher risk of renal cancer compared with men without viral hepatitis (age <55 years: OR 1.94, 95% CI 1.57-2.39; 55≤ age <64 years: OR 1.40, 95% CI 1.05-1.86). Male HCV-infected patients aged <55 years (OR 1.90, 95% CI 1.11-3.26) and female HCV carriers aged between 55 and 64 years (OR 1.59, 95% CI 1.00-2.53) had a significantly higher risk of renal cancer compared with their counterparts. CONCLUSIONS: Renal cancer is significantly associated with chronic hepatitis infection, particularly in younger HBV-infected men.


Assuntos
Carcinoma de Células Renais/epidemiologia , Hepatite B Crônica/epidemiologia , Hepatite C Crônica/epidemiologia , Neoplasias Renais/epidemiologia , Adulto , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Razão de Chances , Fatores de Risco , Fatores Sexuais , Taiwan/epidemiologia , Adulto Jovem
7.
Bioorg Med Chem ; 25(2): 714-726, 2017 01 15.
Artigo em Inglês | MEDLINE | ID: mdl-27923535

RESUMO

A series of homoisoflavonoid Mannich base derivatives were designed, synthesized and evaluated as multifunctional agents against Alzheimer's disease. It demonstrated that most of the derivatives were selective AChE and MAO-B dual inhibitors with good multifunctional properties. Among them, compound 10d displayed the comprehensive advantages, with excellent AChE and MAO-B inhibitory activities (IC50=2.49±0.08nM and 1.74±0.0581µM, respectively), good self- and Cu2+-induced Aß1-42 aggregation inhibitory potency, antioxidant activity, biometal chelating ability and high BBB permeability. These multifunctional properties make 10d as an excellent candidate for the development of efficient drugs against AD.


Assuntos
Doença de Alzheimer/tratamento farmacológico , Inibidores da Colinesterase/farmacologia , Desenho de Fármacos , Isoflavonas/farmacologia , Inibidores da Monoaminoxidase/farmacologia , Acetilcolinesterase/metabolismo , Doença de Alzheimer/metabolismo , Inibidores da Colinesterase/síntese química , Relação Dose-Resposta a Droga , Humanos , Isoflavonas/síntese química , Isoflavonas/química , Bases de Mannich/síntese química , Bases de Mannich/farmacologia , Simulação de Acoplamento Molecular , Estrutura Molecular , Monoaminoxidase/metabolismo , Inibidores da Monoaminoxidase/síntese química , Relação Estrutura-Atividade
8.
Bioorg Med Chem ; 25(3): 1030-1041, 2017 02 01.
Artigo em Inglês | MEDLINE | ID: mdl-28011206

RESUMO

A series of 4'-aminochalcone-revastigmine hybrids were designed, synthesized and evaluated as multifunctional agents for the treatment of Alzheimer's disease. The results showed that most of these compounds exhibited good multifunctional activities. In particular, compound 6c displayed the best inhibitory potency on acetylcholinesterase (IC50=4.91µM), and significant antioxidative activity with a value 2.83-fold of Trolox. The kinetic analysis of AChE inhibition revealed that 6c showed mixed-type inhibition, binding simultaneously to the catalytic active site and peripheral anionic site of AChE. In addition, 6c inhibited self-induced Aß1-42 aggregation and Cu2+-induced Aß1-42 aggregation by 89.5% and 79.7% at 25µM respectively, as well as acted as a selective monoamine oxidase B inhibitor (IC50=0.29µM) and a selective biometal chelator. Furthermore, 6c could cross the blood-brain barrier in vitro. Based on these results, Compound 6c could be considered as a very promising lead compound for Alzheimer's disease.


Assuntos
Doença de Alzheimer/tratamento farmacológico , Chalconas/farmacologia , Inibidores da Colinesterase/farmacologia , Desenho de Fármacos , Inibidores da Monoaminoxidase/farmacologia , Rivastigmina/farmacologia , Acetilcolinesterase/metabolismo , Animais , Barreira Hematoencefálica/efeitos dos fármacos , Barreira Hematoencefálica/metabolismo , Chalconas/química , Inibidores da Colinesterase/síntese química , Inibidores da Colinesterase/química , Relação Dose-Resposta a Droga , Humanos , Simulação de Acoplamento Molecular , Estrutura Molecular , Monoaminoxidase/metabolismo , Inibidores da Monoaminoxidase/síntese química , Inibidores da Monoaminoxidase/química , Rivastigmina/química , Relação Estrutura-Atividade , Suínos
9.
J Clin Rheumatol ; 23(2): 73-76, 2017 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-28212115

RESUMO

OBJECTIVES: This prospective study aimed to compare synovial ultrasound scores to conventional measures (DAS28, CRP levels) in predicting radiographic progression in patients with rheumatoid arthritis under TNF antagonist therapy. METHODS: Patients with RA who received TNF antagonist therapy were enrolled, all of whom underwent clinical, laboratory, and ultrasonographic assessments with grayscale and power Doppler assessments of bilateral elbows (anterior and posterior recess), wrists (dorsal, palmar, and ulnar aspects), second and third MCP joints (dorsal and palmar recess), and PIP II and III (dorsal and palmar) at baseline and at 1, 3 months. Hand radiographic damage was evaluated using van der Heijde modified Total Sharp Score (TSS) at baseline and 12 months. RESULTS: Thirty-two patients (384 joints, 832 synovial sites) continued the same treatment regimen for 12 months and completed the study, 41.6% of whom showed radiographic progression during the study period. Baseline DAS28 (P = 0.123), CRP level (P = 0.177), grayscale synovitis (P = 0.092), and power Doppler synovitis (P = 0.120) could not predict radiological damage in the TNF antagonist therapy group. However, ΔTSS was significantly related to changes in grayscale synovitis between baseline and 1 month (P = 0.011), but not at 3 months (P = 0.591), and was not related to changes in the power Doppler score at 1 (P = 0.634) and 3 months (P = 0.298). CONCLUSIONS: Our data confirm that delayed improvement in grayscale synovitis between baseline and 1 month more accurately reflects 1-year radiological damage than conventional measures such as DAS28 score and CRP level. Therefore, we recommend serial ultrasound follow-up of patients with RA receiving TNF antagonist therapy.


Assuntos
Adalimumab/administração & dosagem , Artrite Reumatoide , Articulação do Cotovelo , Articulação da Mão , Sinovite , Fator de Necrose Tumoral alfa/antagonistas & inibidores , Antirreumáticos/administração & dosagem , Artrite Reumatoide/diagnóstico , Artrite Reumatoide/tratamento farmacológico , Artrite Reumatoide/imunologia , Artrite Reumatoide/fisiopatologia , Proteína C-Reativa/análise , Progressão da Doença , Articulação do Cotovelo/diagnóstico por imagem , Articulação do Cotovelo/patologia , Feminino , Articulação da Mão/diagnóstico por imagem , Articulação da Mão/patologia , Humanos , Masculino , Pessoa de Meia-Idade , Gravidade do Paciente , Valor Preditivo dos Testes , Estudos Prospectivos , Radiografia/métodos , Reprodutibilidade dos Testes , Projetos de Pesquisa , Sinovite/diagnóstico , Sinovite/etiologia , Taiwan , Ultrassonografia Doppler/métodos
10.
Hell J Nucl Med ; 20(3): 254-257, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-29177266

RESUMO

Diagnosis of Epstein-Barr virus-associated hemophagocytic lymphohistiocytosis (EBV-HLH) is challenging as its clinical presentation is atypical. Here we present a case of atypical EBV-HLH simulating lymphadenitis on fluorrine-18-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT), with a view to consider this kind of EBV-HLH as a possible differential diagnosis in lymphadenitis. A 68 years old male who had episodic fever accompanied by weight loss and weakness for two weeks was studied. Finally, biopsies in bone marrow and spleen revealed hemophagocytic cells. He was diagnosed with EBV-HLH and treated with etoposide and prednisone. His condition started improving soon, and his abnormal laboratory findings were normalized at day 15. He remained in good clinical condition at 3 months follow-up after hospital discharge.


Assuntos
Infecções por Vírus Epstein-Barr/diagnóstico por imagem , Fluordesoxiglucose F18 , Linfadenite/diagnóstico por imagem , Linfo-Histiocitose Hemofagocítica/diagnóstico por imagem , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada/métodos , Idoso , Diagnóstico Diferencial , Feminino , Humanos , Linfadenite/patologia , Compostos Radiofarmacêuticos
11.
BMC Cancer ; 16(1): 861, 2016 11 08.
Artigo em Inglês | MEDLINE | ID: mdl-27821099

RESUMO

BACKGROUND: Hepatitis B virus (HBV) and hepatitis C virus (HCV) are the major causes of chronic hepatitis infection (CHI). This longitudinal cohort study investigated the association of CHI with hepatic and extrahepatic cancer development in Taiwan. METHODS: Patients with HBV infection and HCV infection were identified from the Taiwan National Health Insurance Research Database. A Cox proportional hazard model was used to calculate hazard ratios (HRs) and 95 % confidence intervals (CIs) for determining the association between CHI and cancer development. RESULTS: The patients with HBV infection exhibited an increased risk of colorectal cancer (HR: 1.36, 95 % CI: 1.09-1.70), liver cancer (HR: 21.47, 95 % CI: 18.0-25.6), gallbladder and extrahepatic bile duct cancer (HR: 2.05, 95 % CI: 1.07-3.91), pancreatic cancer (HR: 2.61, 95 % CI: 1.47-4.61), kidney cancer (HR: 1.72, 95 % CI: 1.10-2.68), ovarian cancer (HR: 2.31, 95 % CI: 1.21-4.39), and non-Hodgkin's lymphoma (HR: 2.10, 95 % CI: 1.25-3.52). The patients with HCV infection exhibited an increased risk of liver cancer (HR: 25.10, 95 % CI: 20.9-30.2), gallbladder and extrahepatic bile duct cancer (HR: 2.60, 95 % CI: 1.42-4.73), ovarian cancer (HR: 5.15, 95 % CI: 1.98-13.4), and non-Hodgkin's lymphoma (HR: 2.30, 95 % CI: 1.34-3.96). CONCLUSION: The present population-based study revealed that in addition to its association with primary liver cancer, CHI is associated with an increased risk of extrahepatic cancer.


Assuntos
Hepatite Viral Humana/complicações , Neoplasias/epidemiologia , Neoplasias/etiologia , Vigilância da População , Adulto , Idoso , Idoso de 80 Anos ou mais , Biomarcadores , Doença Crônica , Coinfecção , Comorbidade , Feminino , Hepatite B Crônica/complicações , Hepatite C/complicações , Hepatite Viral Humana/virologia , Humanos , Incidência , Neoplasias Hepáticas/etiologia , Masculino , Pessoa de Meia-Idade , Neoplasias/diagnóstico , Modelos de Riscos Proporcionais , Taiwan/epidemiologia
12.
J Bone Miner Metab ; 34(3): 325-30, 2016 May.
Artigo em Inglês | MEDLINE | ID: mdl-26040410

RESUMO

Patients with MRI-proved acute painful vertebral fractures in whom conservative pain management fails are frequently referred for vertebroplasty. This study investigated the effects of treating osteoporosis on the mortality rate of patients with MRI-proved acute osteoporosis-related vertebral fractures who had undergone vertebroplasty. We retrospectively reviewed the cases of osteoporosis patients with MRI-proved acute vertebral fractures who had been treated with vertebroplasty from January 2001 to December 2007. The long-term outcomes of the patients who received antiosteoporotic therapy were compared with those of patients who received no therapy. A total of 304 patients (247 female patients and 57 male patients; mean age, 74.1 ± 7.7 years) were enrolled in the study. The patients who received antiosteoporotic therapy had a significantly lower mortality rate than did patients who did not receive antiosteoporotic therapy (P = 0.001; hazard ratio, 0.396, 95 % confidence interval, 0.273-0.575). At the end of the study, 183 patients were alive, and 121 had died. Effective treatment for osteoporosis may improve survival in patients with osteoporosis-related vertebral fractures after vertebroplasty.


Assuntos
Osteoporose/complicações , Osteoporose/mortalidade , Osteoporose/terapia , Fraturas da Coluna Vertebral/etiologia , Fraturas da Coluna Vertebral/mortalidade , Fraturas da Coluna Vertebral/terapia , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Vertebroplastia
13.
Org Biomol Chem ; 14(40): 9472-9475, 2016 Oct 12.
Artigo em Inglês | MEDLINE | ID: mdl-27714266

RESUMO

A novel cyclic N-phosphoryl ketimine structure can efficiently react with olefins as useful directing groups to construct a myriad of phosphate scaffolds via rhodium(iii)-catalyzed ortho-alkenylation. This method provides a probability that the coupling products could be used as a building block to access more complex organic phosphorus compounds.

14.
Org Biomol Chem ; 14(33): 7859-63, 2016 Aug 16.
Artigo em Inglês | MEDLINE | ID: mdl-27492814

RESUMO

A novel one-pot synthesis of π-conjugated polycyclic compounds, which could undergo further facile transformation to form complex polycyclic heteroarene compounds, has been realized between 7-azaindoles and α,ß-unsaturated ketones. This distinctive cascade process proceeds via a rhodium(iii)-catalyzed alkylation/copper-catalyzed radical annulation-aromatization pathway.

15.
BMC Musculoskelet Disord ; 16: 209, 2015 Aug 19.
Artigo em Inglês | MEDLINE | ID: mdl-26286481

RESUMO

BACKGROUND: Osteoporotic fractures are associated with mortality in postmenopausal woman. Whether raloxifen treatment after vertebroplasty can reduce mortality is unclear in this group. To compare the effect of raloxifene and no osteoporosis treatment on the risk of mortality after vertebroplasty, we designed this study. METHODS: This was a retrospective study (January 2001 to December 2007). Follow-up for each participant was calculated as the time from inclusion in the study to the time of death, or to December 31(st), 2013, whichever occurred first. All of the patients underwent baseline bone density studies, and age and body mass index (kg/m(2)) were recorded. All associated medical diseases such as diabetes, hypertension, and liver and renal disease were recorded. RESULTS: One hundred and forty-nine patients with vertebral fractures were enrolled, of whom 51 used raloxifene and 98 patients did not receive any anti-osteoporotic therapy. At the end of the follow-up period, 62 patients had died and 87 were still alive. The treated patients had a lower mortality rate than those who did not receive treatment (P = 0.001, HR = 3.845, 95% CI 1.884-7.845). The most common cause of mortality was sepsis, and those who received raloxifene had a lower rate of sepsis compared to those who did not receive treatment (P < 0.001). CONCLUSIONS: Effective treatment with raloxifene may had a lower mortality rate in patients with postmenopausal osteoporosis-related vertebral fractures after vertebroplasty.


Assuntos
Osteoporose Pós-Menopausa/tratamento farmacológico , Osteoporose Pós-Menopausa/mortalidade , Cloridrato de Raloxifeno/uso terapêutico , Fraturas da Coluna Vertebral/tratamento farmacológico , Fraturas da Coluna Vertebral/mortalidade , Vertebroplastia/mortalidade , Idoso , Idoso de 80 Anos ou mais , Conservadores da Densidade Óssea/farmacologia , Conservadores da Densidade Óssea/uso terapêutico , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Mortalidade/tendências , Fraturas por Osteoporose/tratamento farmacológico , Fraturas por Osteoporose/mortalidade , Pós-Menopausa/efeitos dos fármacos , Cloridrato de Raloxifeno/farmacologia , Estudos Retrospectivos , Fatores de Risco
16.
J Xray Sci Technol ; 23(1): 101-9, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25567410

RESUMO

OBJECTIVE: This study aimed to observe the effect of local mild hypothermia on regional cerebral blood flow (rCBF) after acute intracerebral hemorrhage (ICH) and to evaluate its relation to clinical outcome in patients with ICH. METHODS: 36 CT proven ICH patients with Glasgow coma scale (GCS) score of 5 or more were randomly assigned to 2 group: local mild hypothermia with conventional mannitol (Group A) or conventional mannitol (Group B). SPECT study was performed at day 7 after therapy. The SPECT images were semi-quantitatively analyzed, and the radioactivity ratios of lesion to normal tissue (L/NT) were calculated. National Institutes of Health Stroke Scale (NIHSS) were used in evaluation at days 14 and 21 after therapy. RESULTS: There were significant differences in NIHSS score at days 14 and 21, and the L/NT ratios between the groups A and B (P < 0.05). Based on GCS, more patients in the group A showed favorable outcomes than patients in the group B (P < 0.05). Furthermore, the L/NT ratios significantly increased in patients with favorable outcomes compared to poor outcomes. Changes in NIHSS score at days 14 and 21 were closely negatively correlated with the L/NT ratios in the groups A and B (r= -0.58, -0.61, and -0.52, -0.75, respectively, P < 0.05). CONCLUSION: Local mild hypothermia could significantly increase rCBF and improve clinical outcome in ICH patients as evaluated by ^{99m}Tc-ECD SPECT study.


Assuntos
Hemorragia Cerebral/fisiopatologia , Hemorragia Cerebral/terapia , Circulação Cerebrovascular , Cisteína/análogos & derivados , Hipertermia Induzida/métodos , Compostos de Organotecnécio , Tomografia Computadorizada de Emissão de Fóton Único/métodos , Doença Aguda , Adulto , Idoso , Velocidade do Fluxo Sanguíneo , Hemorragia Cerebral/diagnóstico por imagem , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prognóstico , Compostos Radiofarmacêuticos , Fluxo Sanguíneo Regional , Reprodutibilidade dos Testes , Sensibilidade e Especificidade , Resultado do Tratamento
17.
BMC Nephrol ; 15: 186, 2014 Nov 27.
Artigo em Inglês | MEDLINE | ID: mdl-25427630

RESUMO

BACKGROUND: This study was aimed at determining the outcome and examining the association between comorbidities and mortality after intracerebral hemorrhage in chronic dialysis patients. METHODS: We used the Taiwan National Health Insurance Research Database and enrolled patients who underwent maintenance dialysis between 2000 and 2007. Annual incidence of intracerebral hemorrhage in patients receiving dialysis from 2000 to 2007 was determined. To identify predictors of hemorrhagic stroke, we used logistic regression model to estimate the relative ratio of factors for intracerebral hemorrhage in the most recent cohort (2007). The cumulative survival rate and comorbid conditions associated with mortality after intracerebral hemorrhage among all dialysis patients between 2000 and 2007 was calculated using the Kaplan-Meier method and Cox regression analysis. RESULTS: We identified 57,261 patients on maintenance dialysis in the cohort of 2007, and 340 patients had history of intracerebral hemorrhage among them. Hypertension was the most common comorbidity of dialysis patients. The incidence rate of intracerebral hemorrhage among dialysis patients was about 0.6%. Adjusted logistic regression model showed that male gender, middle age (45-64 years), hypertension, and previous history of stroke were the independent predictors for the occurrence of intracerebral hemorrhage among chronic dialysis patients. 1,939 dialysis patients with development of intracerebral hemorrhage in the analysis period from 2000 to 2007 were identified. In-hospital mortality was high (36.15%) following intracerebral hemorrhage. They were followed up after intracerebral hemorrhage for a mean time of 41.56 months. Adjusted Cox regression analyses demonstrated that the factors independently associated with mortality after intracerebral hemorrhage among dialysis patients included diabetes mellitus, malignancy and a history of prior stroke. CONCLUSIONS: Dialysis patients who have history of prior stroke, diabetes and malignancy have worse survival than patients without these comorbidities. Attention must focus on providing optimal medical care after hemorrhagic stroke for these target groups to reduce mortality.


Assuntos
Hemorragia Cerebral/mortalidade , Comorbidade , Inquéritos Epidemiológicos , Falência Renal Crônica/epidemiologia , Diálise Renal/estatística & dados numéricos , Diabetes Mellitus/epidemiologia , Feminino , Mortalidade Hospitalar , Humanos , Classificação Internacional de Doenças , Estimativa de Kaplan-Meier , Masculino , Pessoa de Meia-Idade , Modelos de Riscos Proporcionais , Recidiva , Fatores de Risco , Taxa de Sobrevida , Taiwan/epidemiologia
18.
Clin Exp Med ; 24(1): 20, 2024 Jan 27.
Artigo em Inglês | MEDLINE | ID: mdl-38279980

RESUMO

BACKGROUND: Hepatitis B (HBV) and hepatitis C (HCV) viruses are diseases of global public health concern and are associated with liver cancer. Recent studies have revealed associations between hepatic viral infections and extrahepatic cancers. This study aimed to explore the associations between hepatitis B and C viruses and cancer at baseline in the Taiwan Biobank database while controlling for a wide range of confounding variables. METHODS: In a cross-sectional study of adults aged > 20 years, we compared the distribution of demographic factors, lifestyle, and comorbidities between viral and nonviral hepatic groups using the chi-square test. Univariate and multivariate logistic regressions were performed to observe the associations between hepatitis B and C viral infections and cancers by estimating the odds ratio (OR) and 95% confidence interval (CI). Multivariate regression analysis was adjusted for sociodemographic factors, lifestyle, and comorbidities. RESULTS: From the database, 2955 participants were identified as having HCV infection, 15,305 as having HBV infection, and 140,108 as the nonviral group. HBV infection was associated with an increased likelihood of liver cancer (adjusted OR (aOR) = 6.60, 95% CI = 3.21-13.57, P < 0.001) and ovarian cancer (aOR = 4.63, 95% CI = 1.98-10.83, P = 0.001). HCV infection was observed to increase the likelihood of liver cancer (aOR = 4.90, 95% CI = 1.37-17.53, P = 0.015), ovarian cancer (aOR = 8.50, 95% CI = 1.78-40.69, P = 0.007), and kidney cancer (aOR = 12.89, 95% CI = 2.41-69.01, P = 0.003). CONCLUSION: Our findings suggest that hepatic viral infections are associated with intra- and extrahepatic cancers. However, being cross-sectional, causal inferences cannot be made. A recall-by-genotype study is recommended to further investigate the causality of these associations.


Assuntos
Hepatite B , Hepatite C , Neoplasias Hepáticas , Neoplasias Ovarianas , Adulto , Humanos , Feminino , Estudos Transversais , Taiwan/epidemiologia , Hepatite C/complicações , Hepatite C/epidemiologia , Hepatite B/complicações , Hepatite B/epidemiologia , Hepacivirus , Neoplasias Hepáticas/epidemiologia , Neoplasias Hepáticas/etiologia , Vírus da Hepatite B , Fatores de Risco
19.
J Clin Anesth ; 95: 111448, 2024 08.
Artigo em Inglês | MEDLINE | ID: mdl-38489966

RESUMO

STUDY OBJECTIVE: This study aimed to compare the analgesic effects of anesthesiologist-administrated erector spinae plane block (ESPB) and surgeon-administrated intercostal nerve block (ICNB) following video-assisted thoracoscopic surgery (VATS). DESIGN: Randomized, controlled, double-blinded study. SETTING: Operating room, postoperative recovery room and ward in two centers. PATIENTS: One hundred patients, ASA I-III and scheduled for elective VATS. INTERVENTIONS: The anesthesiologist-administrated ESPB under ultrasound guidance or surgeon-administrated ICNB under video-assisted thoracoscopy was randomly provided during VATS. Regular oral non-opioid analgesic combined with intravenous rescue morphine were prescribed for multimodal analgesia after surgery. MEASUREMENTS: The primary outcomes were the pain score and morphine consumption during 48 h after surgery. Postoperative pain intensity were assessed using the 10-cm visual analogue scale at 1 h, 24 h, and 48 h after surgery. Morphine consumption at these time points was compared between the two study groups. Furthermore, oral weak opioid rescue analgesic was also provided at 24 h after surgery. Postoperative quality of recovery at 24 h was also assessed using the QoR-15 questionnaire, along with duration of chest tube drainage and hospital stay were compared as secondary outcomes. MAIN RESULTS: Patients in the two study groups had comparable baseline characteristics, and surgical types were also similar. Postoperative VAS changes at 1 h, 24 h, and 48 h after surgery were also comparable between the two study groups. Both groups had low median scores (<4.0) at all time points (all p > 0.05). Patients in the ESPB group required statistically non-significant higher 48-h morphine consumption [3 (0-6) vs. 0 (0-6) mg in the ESPB group and ICNB group respectively; p = 0.135] and lower numbers of oral rescue analgesic (0.4 ± 1.2 vs. 1.0 ± 1.8 in the ESPB group and ICNB group respectively; p = 0.059). Additionally, patients in the two study groups had similar QoR15 scores and lengths of hospital stay. CONCLUSIONS: Both anesthesiologist-administered ultrasound-guided ESPB and surgeon-administered VATS ICNB were effective analgesic techniques for patients undergoing VATS for tumor resection.


Assuntos
Analgésicos Opioides , Nervos Intercostais , Morfina , Bloqueio Nervoso , Medição da Dor , Dor Pós-Operatória , Cirurgia Torácica Vídeoassistida , Ultrassonografia de Intervenção , Humanos , Cirurgia Torácica Vídeoassistida/efeitos adversos , Cirurgia Torácica Vídeoassistida/métodos , Dor Pós-Operatória/prevenção & controle , Dor Pós-Operatória/etiologia , Bloqueio Nervoso/métodos , Masculino , Feminino , Pessoa de Meia-Idade , Método Duplo-Cego , Nervos Intercostais/efeitos dos fármacos , Analgésicos Opioides/administração & dosagem , Morfina/administração & dosagem , Idoso , Adulto , Músculos Paraespinais/inervação , Resultado do Tratamento , Tempo de Internação/estatística & dados numéricos
20.
J Med Chem ; 67(15): 12553-12570, 2024 Aug 08.
Artigo em Inglês | MEDLINE | ID: mdl-39016216

RESUMO

A series of novel five-membered sulfur-containing heterocyclic nucleoside derivatives were designed, synthesized, and evaluated for their anticancer activities in vitro and in vivo. The structure-activity relationship studies revealed that some of them showed obvious antitumor activities in several cancer cell lines. Among them, compound 22o exhibited remarkable antiproliferative activity against HeLa cells and was more potent than cisplatin (IC50 = 2.80 vs 7.99 µM). Furthermore, mechanism studies indicated that 22o inhibited cell metastasis, induced cell apoptosis, decreased mitochondrial membrane potential, and activated autophagy through the PI3K-Akt-mTOR signaling pathway. Moreover, drug affinity responsive target stability and the cellular thermal shift assay revealed that 22o targeted RPS6 and inhibited its phosphorylation. Importantly, 22o inhibited the growth of the HeLa xenograft mouse model with a low systemic toxicity. These results indicated that 22o may serve as potent anticancer agents that merit further attention in future anticancer drug discovery.


Assuntos
Antineoplásicos , Proliferação de Células , Nucleosídeos , Humanos , Antineoplásicos/farmacologia , Antineoplásicos/síntese química , Antineoplásicos/química , Animais , Relação Estrutura-Atividade , Nucleosídeos/síntese química , Nucleosídeos/farmacologia , Nucleosídeos/química , Camundongos , Proliferação de Células/efeitos dos fármacos , Apoptose/efeitos dos fármacos , Descoberta de Drogas , Ensaios de Seleção de Medicamentos Antitumorais , Células HeLa , Linhagem Celular Tumoral , Camundongos Nus , Compostos Heterocíclicos/farmacologia , Compostos Heterocíclicos/química , Compostos Heterocíclicos/síntese química , Enxofre/química , Ensaios Antitumorais Modelo de Xenoenxerto , Camundongos Endogâmicos BALB C , Potencial da Membrana Mitocondrial/efeitos dos fármacos
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