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1.
Catheter Cardiovasc Interv ; 103(4): 511-522, 2024 03.
Artigo em Inglês | MEDLINE | ID: mdl-38415900

RESUMO

BACKGROUND: Double kissing (DK)-crush and T-stenting and small protrusion (TAP) techniques are gaining popularity, but the comparison for both techniques is still lacking. This study sought to retrospectively evaluate the long-term outcomes of DK-crush and TAP techniques in patients with complex bifurcation lesions. METHODS: A total of 255 (male: 205 [80.3%], mean age: 59.56 ± 10.13 years) patients who underwent coronary bifurcation intervention at a single-center between January 2014 and May 2021 were included. Angiographic features, procedure details, and in-hospital or long-term outcomes were assessed. The primary endpoint was target lesion failure (TLF), defined as the combination of cardiac death, target vessel myocardial infarction, or clinically driven-target lesion revascularization (TLR). The regression models were adjusted applying by the inverse probability weighted (IPW) approach to reduce treatment selection bias. RESULTS: The initial management strategy was DK-crush in 152 (59.6%) patients and TAP in 103 (40.4%) cases. The SYNTAX scores (24.58 ± 7.4 vs. 24.26 ± 6.39, p = 0.846) were similar in both groups. The number of balloon (6.32 ± 1.82 vs. 3.92 ± 1.19, p < 0.001) usage was significantly higher in the DK-crush group than in the TAP group. The rates of TLF (11.8 vs. 22.3%, p = 0.025) and clinically driven TLR (6.6 vs. 15.5%, p = 0.020) were significantly lower in the DK-crush group compared to the TAP group. The long-term TLF was significantly higher in the TAP group compared to the DK-crush group (unadjusted HR: 1.974, [95% CI: 1.044-3.732], p = 0.035 and adjusted HR [IPW]: 2.498 [95% CI: 1.232-5.061], p = 0.011). CONCLUSION: The present study showed that the DK-crush technique of bifurcation treatment was associated with lower long-term TLF and TLR rates compared to the TAP technique.


Assuntos
Angioplastia Coronária com Balão , Stents Farmacológicos , Humanos , Masculino , Pessoa de Meia-Idade , Idoso , Angioplastia Coronária com Balão/efeitos adversos , Estudos Retrospectivos , Resultado do Tratamento , Sistema de Registros
2.
Catheter Cardiovasc Interv ; 104(2): 191-202, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38923152

RESUMO

BACKGROUND: Double kissing crush (DKC) and nano-crush (NC) techniques are frequently used, but the comparison for both techniques is still lacking. The goal of this multicenter study was to retrospectively assess the midterm clinical results of DKC and NC stenting in patients with complex bifurcation lesions (CBLs). METHODS: A total of 324 consecutive patients [male: 245 (75.6%), mean age: 60.73 ± 10.21 years] who underwent bifurcation percutaneous coronary intervention between January 2019 and May 2023 were included. The primary endpoint defined as the major cardiovascular events (MACE) included cardiac death, target vessel myocardial infarction (TVMI), or clinically driven target lesion revascularization (TLR). Inverse probability weighting (IPW) was performed to reduce treatment selection bias. This is the first report comparing the clinical outcomes of DKC and NC stenting in patients with CBL. RESULTS: The initial revascularization strategy was DKC in 216 (66.7%) cases and NC in 108 (33.3%) patients. SYNTAX scores [25.5 ± 6.73 vs. 23.32 ± 6.22, p = 0.005] were notably higher in the NC group than the DKC group. The procedure time (76.98 ± 25.1 vs. 57.5 ± 22.99 min, p = 0.001) was notably higher in the DKC group. The incidence of MACE (18.5 vs. 9.7%, p = 0.025), clinically driven TLR (14.8 vs. 6%, p = 0.009), and TVMI (10.2 vs. 4.2%, p = 0.048) were notably higher in the NC group than in the DKC group. The midterm MACE rate in the overall population notably differed between the NC group and the DKC group (adjusted HR (IPW): 2.712, [95% CI: 1.407-5.228], p = 0.003). CONCLUSION: In patients with CBLs, applying the DKC technique for bifurcation treatment had better ischemia-driven outcomes than the NC technique.


Assuntos
Doença da Artéria Coronariana , Intervenção Coronária Percutânea , Humanos , Masculino , Pessoa de Meia-Idade , Feminino , Estudos Retrospectivos , Idoso , Resultado do Tratamento , Doença da Artéria Coronariana/terapia , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/mortalidade , Fatores de Tempo , Fatores de Risco , Intervenção Coronária Percutânea/instrumentação , Intervenção Coronária Percutânea/efeitos adversos , Intervenção Coronária Percutânea/mortalidade , Stents , Medição de Risco , Stents Farmacológicos
3.
Support Care Cancer ; 29(5): 2395-2404, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-32918607

RESUMO

PURPOSE: The present study aims to evaluate the effectiveness of a mobile-assisted empowerment program developed specifically for caregivers of cancer patients undergoing radiotherapy. METHODS: In this study, seventy-four individuals who gave care for cancer patients that received radiotherapy between September 2019 and May 2020 were randomized to receive a mobile-assisted empowerment program or standard care. The mobile-assisted empowerment program comprised of education and information related to the radiotherapy process, videos, activities, and question-and-answer modules to support caregivers during the radiotherapy process. Outcome measures were collected at baseline (day 1 of radiotherapy) and on day 21 and included caregiver demographics, distress, quality of life, and coping style using validated questionnaires. RESULTS: Compared with baseline, individuals' mean scores of distress were lower in the empowerment group than the control group (p < 0.001). General quality of life and sub-dimension mean scores were higher in the empowerment group than the control group (p ≤ 0.05). There was no difference in the coping style average scores (p ≥ 0.05) between the two groups. CONCLUSIONS: This study supports the findings that a mobile-supported empowerment program reduced the level of caregiver distress and increased quality of life during their loved one's treatment with radiotherapy.


Assuntos
Adaptação Psicológica/fisiologia , Cuidadores/educação , Empoderamento , Neoplasias/radioterapia , Qualidade de Vida/psicologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Avaliação de Resultados em Cuidados de Saúde , Inquéritos e Questionários
4.
Turk J Med Sci ; 51(4): 1849-1856, 2021 08 30.
Artigo em Inglês | MEDLINE | ID: mdl-33754653

RESUMO

Background/aim: The aim of this study was to measure the volume of interscalene space in thoracic outlet region on cadavers and radiological images and to analyze the potential value of these measurements in diagnosis and treatment of thoracic outlet syndrome (TOS). Materials and methods: The dimensions of the anterior interscalene space in 8 formalin-fixed human cadavers were studied by direct measurement and additionally evaluation of the volume of this space were done by using mold and volume calculation formula of square pyramid, due to resembling a pyramid. In the second phase of this study, interscalene space volume was calculated by formula and compared to calculations from computed tomography (CT) sections in 18 TOS and 16 control patients. Results: There was a strong correlation between the volume calculated by formula (4.79 ± 2.18 cm3) and by mold (4.84 ± 1.58 cm3), (R = 0.934, p = 0.001) in cadavers. The average volume measured in TOS patients (2.05 ± 0.32 cm3) was significantly smaller than control patients (4.30 ± 1.85 cm3, p < 0.0001). There were excellent or good results in 14 patients whereas in 4 patients who had neurogenic TOS achieved fair results after surgery. In these 4 patients the average volumes of abnormal sides were close to the healthy sides. Conclusion: In our study, volume of interscalene space in TOS patients was statistically smaller than control group. Also, the volume was even smaller in patients with excellent or good results after surgery. In this respect, volumetric measurements from CT sections could be used in diagnosis and treatment selection in TOS patients.


Assuntos
Síndrome do Desfiladeiro Torácico , Cadáver , Humanos , Síndrome do Desfiladeiro Torácico/diagnóstico por imagem , Síndrome do Desfiladeiro Torácico/cirurgia
5.
Dermatol Ther ; 33(6): e13948, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32618073

RESUMO

Although many studies report effective use of platelet-rich plasma (PRP) injection in the clinics, almost no study reports any side effects. The patient who was treated with PRP injection in gastrocnemius muscle developed complications. The authors of this study present a case which may show the possible side effects of PRP.


Assuntos
Úlcera da Perna , Plasma Rico em Plaquetas , Humanos , Injeções , Úlcera da Perna/diagnóstico , Úlcera da Perna/etiologia , Úlcera da Perna/terapia
6.
Turk J Med Sci ; 49(4): 1073-1078, 2019 08 08.
Artigo em Inglês | MEDLINE | ID: mdl-31293145

RESUMO

Background/aim: Sonographic assessment of diaphragm structure and function would be a useful clinical tool in patients with chronic obstructive pulmonary disease (COPD). Our aim was to determine the muscle thickness of the diaphragm and the usefulness of clinical practice in patients with COPD. Materials and methods: The diaphragmatic thickness of 34 COPD patients and 34 healthy subjects was measured during tidal volume (Tmin) and deep inspiration (Tmax) on both sides using a B-mode ultrasound. The body mass index and the modified Medical Research Council (mMRC) index values were reported. Results: There was no correlation among TminR (P = 0.134), TminL (P = 0.647), TmaxR (P = 0.721), and TmaxL (P = 0.905) between the patients with COPD and the control group. There was also no significant difference between diaphragmatic thickness and COPD severity, respiratory function (P = 0.410), and frequency of exacerbations (P = 0.881) and mMRC (P = 0.667). Conclusion: Diaphragmatic dysfunction in COPD is related to mobility restriction rather than muscle thickness.


Assuntos
Diafragma , Doença Pulmonar Obstrutiva Crônica , Idoso , Idoso de 80 Anos ou mais , Estudos de Casos e Controles , Diafragma/diagnóstico por imagem , Diafragma/patologia , Diafragma/fisiopatologia , Feminino , Humanos , Capacidade Inspiratória/fisiologia , Masculino , Doença Pulmonar Obstrutiva Crônica/diagnóstico por imagem , Doença Pulmonar Obstrutiva Crônica/epidemiologia , Doença Pulmonar Obstrutiva Crônica/patologia , Doença Pulmonar Obstrutiva Crônica/fisiopatologia , Ultrassonografia
7.
J Natl Med Assoc ; 110(5): 428-430, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-30129518

RESUMO

Elastofibroma dorsi is a reactive pseudotumor of connective tissue, typically located in the infrascapular region. Awareness of this benign entity is crucial for radiologists, as well as clinicians, to avoid misdiagnosis and potential patient harm. In this report, we present clinical and imaging findings of an elastofibroma dorsi after a thoracotomy procedure.


Assuntos
Fibroma/diagnóstico por imagem , Complicações Pós-Operatórias/diagnóstico por imagem , Neoplasias Torácicas/diagnóstico por imagem , Toracotomia/efeitos adversos , Diagnóstico Diferencial , Feminino , Fibroma/etiologia , Fibroma/patologia , Humanos , Pessoa de Meia-Idade , Complicações Pós-Operatórias/patologia , Neoplasias Torácicas/etiologia , Neoplasias Torácicas/patologia , Parede Torácica/diagnóstico por imagem , Tomografia Computadorizada por Raios X
8.
Neurol Neurochir Pol ; 52(4): 495-504, 2018 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-29588064

RESUMO

OBJECTIVE: To investigate the effects of dexamethasone on brain tumor and peritumoral edema by different sequences of magnetic resonance imaging (MRI). MATERIALS AND METHODS: MRI was performed in 28 patients with brain tumor. Patients were divided into the 3 groups based on the histological diagnosis; Group I: high-grade glial tumor, Group II: low-grade glial tumor, and Group III: brain metastasis. The measurements of peritumoral edema volume and apparent diffusion coefficient (ADC) values were performed while the peak areas of cerebral metabolites were measured by spectroscopy in groups I and II. The changes in edema volumes, ADC values and cholin/creatine peak areas were compared. RESULTS: The volume of peritumoral edema was decreased in groups I and II, but increased in group III after dexamethasone treatment. These changes were not statistically significant for 3 groups. ADC value was decreased in group I and increased in groups II and III. Changes in ADC values were statistically significant. Cholin/creatine peak areas were decreased after dexamethasone in groups I and II, but these changes were also not significant. CONCLUSION: Dexamethasone has no significant effect on the volume of peritumoral edema in glial tumor and metastasis. Moreover, dexamethasone increases the fluid movements in low grade gliomas and metastases, decreases in high grade gliomas. However, more comprehensive clinical studies are needed to show the effects of dexamethasone on brain tumors and peritumoral edema.


Assuntos
Edema Encefálico , Neoplasias Encefálicas , Glioma , Edema Encefálico/diagnóstico por imagem , Diagnóstico Diferencial , Imagem de Difusão por Ressonância Magnética , Humanos , Espectroscopia de Ressonância Magnética
10.
Med Princ Pract ; 25(4): 309-15, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27165099

RESUMO

OBJECTIVE: To describe the relationship between atherosclerosis and hearing thresholds in prediabetic patients with impaired fasting glucose (IFG) and to determine the efficacy of glycated albumin in predicting carotid artery atherosclerosis in patients with isolated IFG. SUBJECTS AND METHODS: The study included 82 patients (aged 53.73-80 years) divided into two groups based on fasting glucose levels, the IFG group: 59 patients (32 females, 54.2%), and the normal fasting plasma glucose level group: 23 patients (12 females, 52.2%). Patients underwent audiological testing to determine hearing thresholds, and carotid intima-media thickness (CIMT) was measured using carotid artery Doppler sonography. Multivariate analyses were performed to determine whether or not the plasma glycated albumin levels could predict hearing loss and CIMT. RESULTS: Patients in the IFG group (mean age: 59.8 ± 9.5 years) had higher hearing thresholds and pure-tone average scores (PTA) than those in the group with normal glucose levels (mean age: 56.2 ± 10.1 years) (left ear: 27.65 ± 8.85 vs. 25.75 ± 21.96 dB, p = 0.021; right ear: 29.22 ± 8.51 vs. 22.39 ± 6.99 dB, p = 0.001). The CIMT was significantly higher in the IFG group than the control group (0.75 ± 0.26 vs. 0.56 ± 0.16 mm, p < 0.001 for the left and 0.74 ± 0.26 vs. 0.51 ± 0.19 mm, p < 0.001 for the right carotid arteries). Glycated albumin levels were independently related with increased CIMT (left CIMT: r = 0.32, p = 0.003; right CIMT: r = 0.42, p < 0.001), and serum glycated albumin levels were significantly associated with PTA (left ear: r = 0.28, p = 0.01; right ear: r = 0.30, p = 0.006). CONCLUSION: Sensorineural hearing loss was more common in patients with IFG. Plasma glycated albumin levels were strongly correlated with CIMT and carotid plaques as a marker of atherosclerosis and with hearing impairment thought to develop due to atherosclerosis in patients with IFG.


Assuntos
Doenças das Artérias Carótidas/sangue , Intolerância à Glucose/sangue , Perda Auditiva/sangue , Estado Pré-Diabético/sangue , Albumina Sérica/análise , Idoso , Idoso de 80 Anos ou mais , Biomarcadores , Glicemia , Doenças das Artérias Carótidas/diagnóstico por imagem , Espessura Intima-Media Carotídea , Estudos Transversais , Feminino , Produtos Finais de Glicação Avançada , Testes Auditivos , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Albumina Sérica Glicada
11.
Pol J Radiol ; 81: 265-7, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27354879

RESUMO

BACKGROUND: Adult intussusception is a rare phenomenon, acute appendicitis accompanying multiple transient intussusceptions are much more uncommon. Satisfaction and quiting imaging studies after finding an intussusception on ultrasound, may lead diagnostic errors. Radiologists should raise their awareness of imaging findings in intussusception and keep in their mind coexistent troubles in the belly. This unique case presents unusual imaging findings of a rare dual abdominal emergency condition, particularly highlighting the value of abdominal computed tomography. CASE REPORT: 32-year-old female was admitted to Emergency Department with complaints of epigastric abdominal pain and vomiting. US identified 'target' appereance on left paramedian location at umbilical level. Contrast enhanced abdominal CT not only confirmed the enteric intussusception that was demonstrated on previos US, but also showed additional concomitant intussusceptions and inflamed appendix. CONCLUSIONS: Adult intussusception is a rare phenomenon, multiple transient intussusceptions are even more uncommon. This unique report adds, precious clinical and imaging findings of acute appendicitis coexisting with multiple spontaneously resolving intussusceptions, to the literature. Physicians should be alerted for accompanying multiple abdominal pathologies and use justification essentials to make their decisions about the selection of the appropriate imaging modality.

12.
Coron Artery Dis ; 2024 May 30.
Artigo em Inglês | MEDLINE | ID: mdl-38809138

RESUMO

BACKGROUND: Mini-crush (MC) and T-stenting and small protrusion (TAP) techniques are frequently used, but the long-term comparison of both techniques in patients with complex bifurcation lesions (CBLs) is still a debatable issue. This study sought to retrospectively evaluate the long-term outcomes of MC and TAP techniques in patients with CBLs. METHODS: A total of 271 patients [male: 202 (78.9%), mean age: 58.90 ±â€…10.11 years] patients in whom complex bifurcation intervention was performed between 2014 and 2023 were involved. The primary endpoint was major cardiovascular events (MACE) as the combination of cardiac death, target vessel myocardial infarction, or clinically driven-target lesion revascularization. The Cox proportional hazard models were adjusted by the inverse probability weighting approach to reduce treatment selection bias. RESULTS: The initial management strategy was MC in 146 patients and TAP in 125 cases. MACE occurred in 52 patients (19.2%) during a mean follow-up period of 32.43 ±â€…16 months. The incidence of MACE (13 vs. 26.4%, P = 0.005) and major cardiovascular and cerebral events (15.1 vs. 28.8%, P = 0.006) were significantly lower in the MC group than in the TAP group. Additionally, the incidence of definite or probable stent thrombosis was numerically lower in the MC group compared with the TAP group but did not differ significantly (2.7 vs. 8%, P = 0.059). The long-term MACE was notably higher in the TAP group than the MC group [adjusted hazard ratio (inverse probability weighted): 1.936 (95% confidence interval: 1.053-3.561), P = 0.033]. CONCLUSION: In this study involving patients with CBLs, percutaneous coronary intervention with the MC technique had better long-term outcomes than the TAP technique.

13.
Pediatr Emerg Care ; 29(1): 74-5, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-23283269

RESUMO

A 2.5-month-old girl with a left-sided, painful inguinal swelling for the last 2 days was brought to the emergency department. After physical examination and radiological evaluation, the diagnosis of incarcerated inguinal hernia of the ovary was made. Because of the long-standing history, she was taken to the operation room without an attempt for manual reduction. Perioperatively, the torsion of the ovary with distal fallopian tube within the indirect hernia sac was seen. As untwisting of the ovary has resulted in no change in the color, oophorectomy before hernia repair was performed.The majority of the painful inguinal swellings in the infancy are related to incarcerated hernia. The treatment option varies from manual reduction to surgical intervention, depending on the duration from beginning of swelling to the time the exact diagnosis was made. Even though the presence of short-term history and the lack of peritoneal irritation findings are indications for a manual reduction, the suspicion of an ovarian torsion should be raised for ovaries within the incarcerated inguinal hernia, and ovarian viability should be considered before an attempt of manual reduction.


Assuntos
Hérnia Inguinal/diagnóstico , Ovário/anormalidades , Anormalidade Torcional/diagnóstico , Diagnóstico Diferencial , Feminino , Hérnia Inguinal/cirurgia , Humanos , Lactente , Ovariectomia , Ovário/cirurgia , Anormalidade Torcional/cirurgia
14.
Kulak Burun Bogaz Ihtis Derg ; 23(5): 299-301, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-24010806

RESUMO

In this article, we present the case of a 43-year-old female with a tumor of the orbital base. Computed tomography revealed a well-defined contrast enhancing cavernous hemangioma behind the left bulbus oculi. The surgical resection was performed by transmaxillary approach to the orbit. No clinical complications were observed during three-month follow-up following surgery.


Assuntos
Hemangioma Cavernoso/diagnóstico , Maxila , Neoplasias Orbitárias/diagnóstico , Adulto , Diagnóstico Diferencial , Feminino , Hemangioma Cavernoso/diagnóstico por imagem , Hemangioma Cavernoso/patologia , Hemangioma Cavernoso/cirurgia , Humanos , Procedimentos Cirúrgicos Oftalmológicos/métodos , Neoplasias Orbitárias/diagnóstico por imagem , Neoplasias Orbitárias/patologia , Neoplasias Orbitárias/cirurgia , Radiografia
15.
Am J Cardiol ; 206: 238-246, 2023 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-37722225

RESUMO

Comparison of clinical outcomes of double kissing crush (DKC) and mini-crush (MC) techniques in patients with complex coronary bifurcation lesions is lacking. This study sought to determine the clinical results of DKC and MC stenting techniques in mid-term follow-up. This retrospective study included a total of 269 consecutive patients with complex bifurcation lesions who underwent percutaneous coronary intervention; 132 (49%) of them were treated with MC technique, whereas 137 (51%) treated with DKC technique. The primary end point was target lesion failure (TLF), defined as the combination of cardiac death, target vessel myocardial infarction, or clinically driven target lesion revascularization. This is the first study to compare the cardiovascular outcomes of DKC and MC stenting techniques in patients with complex bifurcation lesions. The SYNTAX scores were similar in both groups (23 [20 to 30] vs 23 [19 to 28], p = 0.631)]. The number of balloons (6.31 ± 1.80 vs 4.42 ± 0.87, p <0.001) and guidewires (3.55 ± 0.83 vs 2.86 ± 0.74, p <0.001) used, fluoroscopy time (21.55 ± 7.05 vs 16.66 ± 4.19 minutes, p <0.001), and procedure time (80.42 ± 27.95 vs 69.61 ± 18.97 minutes, p <0.001) were significantly higher in the DKC group. The rate of composite TLF was similar in complex bifurcation patients treated with MC than those treated with the DKC technique (14% vs 12%, p = 0.453). Moreover, both groups had similar rates in terms of cardiac death or all-cause death, target vessel-related myocardial infarction, clinically driven target lesion revascularization, and stent thrombosis. In conclusion, the present study showed that both techniques of bifurcation treatment met high angiographic success with low complication and similar TLF rates.

16.
Artigo em Inglês | MEDLINE | ID: mdl-37905536

RESUMO

OBJECTIVE: This study aimed to describe the effects of new academic criteria established in 2016 on the abstracts of the National Congress of the Turkish Society of Cardiology. METHODS: The abstracts presented at 13 consecutive annual congresses were obtained. A literature search was conducted with PubMed, Google Scholar, and Web of Science databases to analyze whether the abstract was published in a scientific journal. The study was divided into 2 time groups according to the new academic criteria published in 2016. Group 1 included 4828 abstracts accepted at National Congress of the Turkish Society of Cardiology between 2009 and 2016, while Group 2 included 2284 abstracts accepted at National Congress of the Turkish Society of Cardiology between 2017 and 2021. RESULTS: A total of 7112 abstracts were accepted for the 2009-2021 National Congress of the Turkish Society of Cardiology meetings scientific program. The publication rate (43.2% vs. 23.9%, P < 0.001), number of authors [7(5-9) vs. 4(3-6), P < 0.001], and rate of original investigation (72.3 vs. 56.5%, P < 0.001) were significantly lower in group 2 than in group 1. Among the quality parameters of the journals in which the abstracts were published, the impact factor (0.59 ± 1.71 vs. 0.26 ± 1.09, P < 0.001), the rate of journals in science citation index or science citation index-expanded indexes (70.4 vs. 57.9%, P < 0.001), and the rate of the second or third-quartile class (24.2 vs. 16.1%, P < 0.001) were significantly lower in group 2 as compared to group 1. Being in group 1 oral presentation, original investigation, and cardiac imaging were identified as independent predictors for publication in scientific journals. CONCLUSION: This study showed that the 2016 new academic criteria negatively affected the publication processes of accepted abstracts in National Congress of the Turkish Society of Cardiology.

17.
Angiology ; : 33197231213194, 2023 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-37914196

RESUMO

The present study aimed to compare long-term outcomes of patients with Medina 0.1.0 left main (LM) bifurcation lesions treated by crossover stenting (COS) versus accurate ostial stenting (AOS). A total of 229 consecutive eligible patients with Medina 0.1.0 LM bifurcation lesions were enrolled and were stratified according to the stenting techniques. The primary end-point was major cardiovascular and cerebral events (MACCE), defined as the combination of all-cause death, target vessel related-myocardial infarction (MI), clinically driven target lesion revascularization (TLR), stroke, or stent thrombosis. COS and AOS were applied to 78 (34%) and 151 (66%) patients, respectively. During a mean of 40.6 ± 21.1 months of follow-up, the rate of MACCE (27.8 vs 12.8%; P=.007) was higher in patients treated with AOS than those treated with the COS technique, mainly driven by more frequent all-cause death (13.9 vs 3.8%, P = .013) and TLR (6.4 vs 15.9%; P = .029). In multivariable Cox regression analysis, AOS strategy was one of the independent predictors of MACCE (odds ratio: 2.166; 95% confidence interval, 1.080-4.340; P = .029). The current study suggests that COS was associated with a better long-term MACCE rate and lower all-cause mortality rate than AOS in patients with Medina 0.1.0 LM bifurcation disease.

18.
Med Phys ; 47(9): 3935-3944, 2020 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-32427360

RESUMO

PURPOSE: The aim of this paper was to investigate the relationship between the physical and subjective (observer) image quality metrics in digital chest radiography. METHODS: Five digital radiography systems, four with indirect flat panel detector and one with storage phosphor-based computed radiography system, were used in the study. The physical image quality assessments were carried out using effective detective quantum efficiency (eDQE) metric and subjective performance of the digital radiography systems was evaluated in terms of inverse image quality figure (IQFinv ) derived from the contrast-detail (CD) diagrams using CDRAD 2.0 phantom and CDRAD phantom analyzer software. All measurements were performed for different tube voltages (70, 81, 90, 102, 110, and 125 kVp) and polymethyl methacrylate (PMMA) phantom thicknesses. An anthropomorphic chest phantom and visual grading analysis (VGA) technique based on European image quality criteria for chest radiography were used for clinical image quality evaluation. RESULTS: The Spearman correlation coefficients were calculated for the investigation of the correlation between physical image quality and clinical image quality. The results showed strong positive correlation between the physical and clinical image quality findings. The minimum correlation coefficient was 0.91 (p < 0.011) for IQFinv vs VGA scores and 0.92 (p < 0.009) for IeDQE vs VGA scores. CONCLUSIONS: Our results confirm that clinical image quality can be predicted with both physical assessments and contrast-detail detectability studies.


Assuntos
Intensificação de Imagem Radiográfica , Tórax , Imagens de Fantasmas , Radiografia , Radiografia Torácica , Software
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