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BACKGROUND: Post COVID-19 syndrome is characterized by several cardiorespiratory symptoms but the origin of patients' reported symptomatology is still unclear. METHODS: Consecutive post COVID-19 patients were included. Patients underwent full clinical evaluation, symptoms dedicated questionnaires, blood tests, echocardiography, thoracic computer tomography (CT), spirometry including alveolar capillary membrane diffusion (DM) and capillary volume (Vcap) assessment by combined carbon dioxide and nitric oxide lung diffusion (DLCO/DLNO) and cardiopulmonary exercise test. We measured surfactant derive protein B (immature form) as blood marker of alveolar cell function. RESULTS: We evaluated 204 consecutive post COVID-19 patients (56.5 ± 14.5 years, 89 females) 171 ± 85 days after the end of acute COVID-19 infection. We measured: forced expiratory volume (FEV1) 99 ± 17%pred, FVC 99 ± 17%pred, DLCO 82 ± 19%, DM 47.6 ± 14.8 mL/min/mmHg, Vcap 59 ± 17 mL, residual parenchymal damage at CT 7.2 ± 3.2% of lung tissue, peakVO2 84 ± 18%pred, VE/VCO2 slope 112 [102-123]%pred. Major reported symptoms were: dyspnea 45% of cases, tiredness 60% and fatigability 77%. Low FEV1, Vcap and high VE/VCO2 slope were associated with persistence of dyspnea. Tiredness was associated with high VE/VCO2 slope and low PeakVO2 and FEV1 while fatigability with high VE/VCO2 slope. SPB was fivefold higher in post COVID-19 than in normal subjects, but not associated to any of the referred symptoms. SPB was negatively associated to Vcap. CONCLUSIONS: In patients with post COVID-19, cardiorespiratory symptoms are linked to VE/VCO2 slope. In these patients the alveolar cells are dysregulated as shown by the very high SPB. The Vcap is low likely due to post COVID-19 pulmonary endothelial/vasculature damage but DLCO is only minimally impaired being DM preserved.
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COVID-19 , Insuficiência Cardíaca , Feminino , Humanos , Síndrome de COVID-19 Pós-Aguda , COVID-19/complicações , Pulmão/diagnóstico por imagem , Testes de Função Respiratória , Teste de Esforço/métodos , Dispneia , Consumo de Oxigênio/fisiologia , Insuficiência Cardíaca/diagnósticoRESUMO
Low-flow low-gradient (LF-LG) aortic stenosis (AS) may occur with preserved or depressed left ventricular ejection fraction (LVEF). Both situations represent the most challenging subset of patients to manage and generally have a poor prognosis. Few and controversial data exist on the outcomes of these patients compared with normal flow-high gradient (NF-HG) AS after transcatheter aortic valve replacement (TAVR). We sought to characterize different transvalvular flow-gradient patterns and to examine their prognostic value after TAVR. We enrolled 1,208 patients with severe AS and categorized as follow: 976 patients NF-HG (mean aortic pressure gradient [MPG] ≥40 mm Hg), 107 paradoxical LF-LG (pLF-LG, MPG <40 mm Hg, LVEF ≥50%, stroke volume index <35 ml/m2), and 125 classical LF-LG (cLF-LG) (MPG <40 mm Hg, LVEF <50%, stroke volume index <35 ml/m2). When compared with NF-HG and pLF-LG, cLF-LG had a worse symptomatic status (New York Heart Association III to IV 86% vs 62% and 67%, p <0.001), a higher prevalence of eccentric hypertrophy and a higher level of LV global afterload reflected by a higher valvuloarterial impedance. Valvular function after TAVR was excellent over time in all patients. While 30-day mortality (p = 0.911) did not differ significantly among groups, cLF-LG had a lower 5-year survival rate (LF-LG 50% vs pLF-LG 62% and NF-HG 68%, p <0.05). cLF-LG was associated with a hazard ratio for mortality of 2.41 (95% confidence interval 1.65 to 3.52, p <0.001). In conclusion, TAVR is an effective procedure regardless of transvalvular flow-gradient patterns. However, special care should be given to characterized hemodynamic of AS, as patients with pLF-LG had similar survival rates than patients with NF-HG, whereas cLF-LG is associated with a twofold increased risk of mortality at 5-year follow-up.
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Estenose da Valva Aórtica , Substituição da Valva Aórtica Transcateter , Humanos , Substituição da Valva Aórtica Transcateter/métodos , Volume Sistólico , Função Ventricular Esquerda , Resultado do Tratamento , Valva Aórtica/diagnóstico por imagem , Valva Aórtica/cirurgia , Índice de Gravidade de DoençaRESUMO
Quantification of chronic mitral regurgitation (MR) is essential to guide patients' clinical management and define the need and appropriate timing for mitral valve surgery. Echocardiography represents the first-line imaging modality to assess MR and requires an integrative approach based on qualitative, semiquantitative, and quantitative parameters. Of note, quantitative parameters, such as the echocardiographic effective regurgitant orifice area, regurgitant volume (RegV), and regurgitant fraction (RegF), are considered the most reliable indicators of MR severity. In contrast, cardiac magnetic resonance (CMR) has demonstrated high accuracy and good reproducibility in quantifying MR, especially in cases with secondary MR; nonholosystolic, eccentric, and multiple jets; or noncircular regurgitant orifices, where quantification with echocardiography is an issue. No gold standard for MR quantification by noninvasive cardiac imaging has been defined so far. Only a moderate agreement has been shown between echocardiography, either with transthoracic or transesophageal approaches, and CMR in MR quantification, as supported by numerous comparative studies. A higher agreement is evidenced when echocardiographic 3D techniques are used. CMR is superior to echocardiography in the calculation of the RegV, RegF, and ventricular volumes and can provide myocardial tissue characterization. However, echocardiography remains fundamental in the pre-operative anatomical evaluation of the mitral valve and of the subvalvular apparatus. The aim of this review is to explore the accuracy of MR quantification provided by echocardiography and CMR in a head-to-head comparison between the two techniques, with insight into the technical aspects of each imaging modality.
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Salinization of aquatic ecosystem, abrupt climate change, and anthropogenic activities cause adverse impact on agricultural land/soil as well as the aquaculture industry. This experimental study was designed to evaluate different biomarkers of oxidative stress, antioxidant enzymes, and genotoxic potential of diverse salinities of brackish water on freshwater fish. A total of 84 fresh water mrigal carp (Cirrhinus mrigala) were randomly segregated and maintained in four groups (T0, T1, T2, and T3) in a glass aquarium under similar laboratory conditions at various salinity levels (0, 3, 5, and 7 parts per thousand) to determine the pathological influence of brackish water. All the fish in groups T1, T2, and T3 were exposed to various salinity levels of brackish water for a period of 90 days while the fish of group T0 served as the control group. The experimental fish reared in different groups T1, T2, and T3 displayed various physical and behavioral ailments. The results revealed significantly augmented quantity of different oxidative stress indicators including reactive oxygen species (ROS) and thiobarbituric acid reactive substance (TBARS) in different visceral tissues (kidneys, liver, and gills) of exposed fish. Different antioxidant enzymes such as reduced glutathione (GSH), peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT) along with total proteins were remarkably reduced in the kidneys, gills, and liver tissues. Results showed significantly increased values of different nuclear abnormalities (erythrocyte with micronucleus, erythrocyte with condensed nucleus, and erythrocyte with lobed nucleus) and morphological changes (pear shaped erythrocyte, spindle-shaped erythrocytes, and spherocyte) in red blood cells of experimental fish. The results on genotoxic effects exhibited significantly increased DNA damage in isolated cells of liver, kidneys, and gills of exposed fish. The findings of our experimental research suggested that brackish water causes adverse toxicological impacts on different visceral tissues of fresh water fish at higher salinity level through disruption and disorder of physiological and biochemical markers.
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Carpas , Poluentes Químicos da Água , Animais , Catalase/metabolismo , Antioxidantes/farmacologia , Carpas/metabolismo , Espécies Reativas de Oxigênio/metabolismo , Substâncias Reativas com Ácido Tiobarbitúrico/metabolismo , Ecossistema , Poluentes Químicos da Água/toxicidade , Superóxido Dismutase/metabolismo , Estresse Oxidativo , Glutationa/metabolismo , Eritrócitos/metabolismo , Fígado/metabolismo , Águas Salinas , Biomarcadores/metabolismo , SoloRESUMO
Blood is made up of leukocytes (WBCs), erythrocytes (RBCs), and thrombocytes. The ratio of blood cancer diseases is increasing rapidly, among which leukemia is one of the famous cancer which may lead to death. Leukemia cancer is initiated by the unnecessary growth of immature WBCs present in the sponge tissues of bone marrow. It is generally analyzed by etiologists by perceiving slides of blood smear images under a microscope. The morphological features and blood cells count facilitated the etiologists to detect leukemia. Due to the late detection and expensive instruments used for leukemia analysis, the death rate has risen significantly. The fluorescence-based cell sorting technique and manual recounts using a hemocytometer are error-prone and imprecise. Leukemia detection methods consist of pre-processing, segmentation, features extraction, and classification. In this article, recent deep learning methodologies and challenges for leukemia detection are discussed. These methods are helpful to examine the microscopic blood smears images and for the detection of leukemia more accurately.
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Algoritmos , Leucemia , Humanos , Leucócitos , Leucemia/diagnóstico , Eritrócitos , Processamento de Imagem Assistida por Computador/métodosRESUMO
BACKGROUND: Coronavirus disease 2019 (COVID-19) is a systemic disease affecting multiple organs. Furthermore, viral infection depletes several trace elements and promotes complex biochemical reactions in the body. Smoking has been linked to the incidence of COVID-19 and associated mortality, and it may impact clinical effects, viral and bacterial conversion, and treatment outcomes. OBJECTIVES: To study the relationship between severe acute respiratory syndrome coronavirus type 2 and the elemental concentrations of selenium (Se) and mercury (Hg) in biological samples from smokers and nonsmokers infected with the virus and in healthy individuals. METHOD: We evaluated changes in the concentrations of essential (Se) and toxic (Hg) elements in biological samples (blood, nasal fluid, saliva, sputum, serum, and scalp hair) collected from male smokers and nonsmokers (aged 29-59 years) infected with COVID-19 and from healthy men in the same age group. The patients lived in different cities in Sindh Province, Pakistan. The Se and Hg concentrations were determined using atomic absorption spectrophotometry. RESULTS: Se concentrations in all types of biological samples from smokers and nonsmokers with COVID-19 were lower than those of healthy smokers and nonsmokers. Hg concentrations were elevated in both smokers and nonsmokers with COVID-19. CONCLUSIONS: In the current study, persons infected with COVID-19 had higher concentrations of toxic Hg, which could cause physiological disorders, and low concentrations of essential Se, which can also cause weakness. COVID-19 infection showed positive correlations with levels of mercury and selenium. Thus, additional clinical and experimental investigations are essential.
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COVID-19 , Mercúrio , Selênio , Cabelo/metabolismo , Humanos , Masculino , Espectrofotometria AtômicaRESUMO
Prosthetic valve (PV) dysfunction (PVD) is a complication of mechanical or biological PV. Etiologic mechanisms associated with PVD include fibrotic pannus ingrowth, thrombosis, structural valve degeneration, and endocarditis resulting in different grades of obstruction and/or regurgitation. PVD can be life threatening and often challenging to diagnose due to the similarities between the clinical presentations of different causes. Nevertheless, identifying the cause of PVD is critical to treatment administration (thrombolysis, surgery, or percutaneous procedure). In this report, we review the role of multimodality imaging in the diagnosis of PVD. Specifically, this review discusses the characteristics of advanced imaging modalities underlying the importance of an integrated approach including 2D/3D transthoracic and transesophageal echocardiography, fluoroscopy, and computed tomography. In this scenario, it is critical to understand the strengths and weaknesses of each modality according to the suspected cause of PVD. In conclusion, for patients with suspected or known PVD, this stepwise imaging approach may lead to a simplified, more rapid, accurate and specific workflow and management.
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We present a novel computational method for drug-pathway association prediction based on known drug-pathway associations. The association between a drug and a pathway needs to be examined to not only explain the cause and enable the identification, therapy, and diagnosis of a human disease. Though, biological studies and clinical trials require substantial time and resources to identify drug-pathway associations. Considerable research attention has been devoted to many scientists have developed computer models to predict the future interactions of drug-pathway organizations. We proposed a novel computing approach known as the Network Consistency Projection for Human Drug-Pathway Association (NCPHDPA). This method was based on the drug pathway target wherein biologically related drugs appear to interact with pathway targets in identical diseases and vice versa. We computed the pathway-pathway-interaction similarity of drugs sharing similarities on the basis of pairwise Jaccard similarity and then computed the drug-drug-interaction similarity of drugs sharing similar drug targets based on Jaccard similarity. The system was combined because of the cosine similarity drug network, the pathway cosine resemblance network, and the interaction network for recognized drug-pathway. NCPHDPA was a parameter less solution and did not require negative tests. Notably, NCPHDPA could be used to predict drugs without any known related pathway. Test results showed that our proposed NCPHDPA method with LOOCV achieved a high ROC of AUC = 0.7479, and with10-fold CV obtained ROC of AUC = 0.7566. The Result of ROC (AUC) comparison of NCPHDPA with other methods, such as SIMCCDA LOOCV (AUC = 0.7364), LOMDA LOOCV (AUC = 0.6729) and DMTHNDM LOOCV (AUC = 0.50.00) obtained. The robust predictive capability of the NCPHDPA was demonstrated in three case studies on drugs involved in pathways, cancer pathways, and hepatocellular carcinoma. Few attempts have been made to compared with other methods, our proposed NCPHDPA method had reliable predictive performance. The results yielded some interesting findings as that interaction of these proteins can cause a change in its associated pathway, leading to the onset of cancer.
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Biologia Computacional , Neoplasias , Algoritmos , Biologia Computacional/métodos , Simulação por Computador , HumanosRESUMO
Mitral valve prolapse (MVP) is the leading cause of mitral valve surgery. Echocardiography is the principal imaging modality used to diagnose MVP, assess the mitral valve morphology and mitral annulus dynamics, and quantify mitral regurgitation. Three-dimensional (3D) echocardiographic (3DE) imaging represents a consistent innovation in cardiovascular ultrasound in the last decades, and it has been implemented in routine clinical practice for the evaluation of mitral valve diseases. The focus of this review is the role and the advantages of 3DE in the comprehensive evaluation of MVP, intraoperative and intraprocedural monitoring.
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OBJECTIVE: Mitral annular disjunction (MAD) is an abnormality linked to mitral valve prolapse (MVP), possibly associated with malignant ventricular arrhythmias. We assessed the agreement among different imaging techniques for MAD identification and measurement. METHODS: 131 patients with MVP and significant mitral regurgitation undergoing transthoracic echocardiography (TTE) and cardiac magnetic resonance (CMR) were retrospectively enrolled. Transoesophageal echocardiography (TOE) was available in 106 patients. MAD was evaluated in standard long-axis views (four-chamber, two-chamber, three-chamber) by each technique. RESULTS: Considering any-length MAD, MAD prevalence was 17.3%, 25.5%, 42.0% by TTE, TOE and CMR, respectively (p<0.05). The agreement on MAD identification was moderate between TTE and CMR (κ=0.54, 95% CI 0.49 to 0.59) and good between TOE and CMR (κ=0.79, 95% CI 0.74 to 0.84). Assuming CMR as reference and according to different cut-off values for MAD (≥2 mm, ≥4 mm, ≥6 mm), specificity (95% CI) of TTE and TOE was 99.6 (99.0 to 100.0)% and 98.7 (97.4 to 100.0)%; 99.3 (98.4 to 100.0)% and 97.6 (95.8 to 99.4)%; 97.8 (96.2 to 99.3)% and 93.2 (90.3 to 96.1)%, respectively; sensitivity (95% CI) was 43.1 (37.8 to 48.4)% and 74.5 (69.4 to 79.5)%; 54.0 (48.7 to 59.3)% and 88.9 (85.2 to 92.5)%; 88.0 (84.5 to 91.5)% and 100.0 (100.0 to 100.0)%, respectively. MAD length was 8.0 (7.0-10.0), 7.0 (5.0-8.0], 5.0 (4.0-7.0) mm, respectively by TTE, TOE and CMR. Agreement on MAD measurement was moderate between TTE and CMR (ρ=0.73) and strong between TOE and CMR (ρ=0.86). CONCLUSIONS: An integrated imaging approach could be necessary for a comprehensive assessment of patients with MVP and symptoms suggestive for arrhythmias. If echocardiography is fundamental for the anatomic and haemodynamic characterisation of the MV disease, CMR may better identify small length MAD as well as myocardial fibrosis.
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Técnicas de Imagem Cardíaca , Insuficiência da Valva Mitral/diagnóstico por imagem , Prolapso da Valva Mitral/diagnóstico por imagem , Adulto , Idoso , Ecocardiografia , Ecocardiografia Transesofagiana , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Insuficiência da Valva Mitral/patologia , Prolapso da Valva Mitral/patologia , Imagem Multimodal , Estudos RetrospectivosRESUMO
Three-dimensional echocardiographic (3DE) of right ventricle (RV) has been validated in many clinical settings. However, the necessity of complicated and off-line dedicated software has reduced its diffusion. A new simplified "on board" 3DE software (OB) has been developed to obtain RV volumes and ejection fraction (EF) together with several conventional parameters automatically derived from 3DE: tricuspid annular plane systolic excursion (TAPSE), fractional area change (FAC), longitudinal strain (LS). Aims of this study were to evaluate feasibility and accuracy of OB RV analysis. A complete 2DE and 3DE with OB 3DRV evaluation was obtained in 35 normal subjects and 105 patients with different pathologies. Results were compared with the conventional off-line software (OFL) and with the 2D-derived corresponding values. A subgroup of 22 patients underwent also cardiac CMR. OB 3DRV was feasible in 133/140 cases (95%) in a mean time of 97.5 ± 33 s lower than OFL analysis (129 ± 52 s plus dataset loading 80 ± 24 s). Imaging quality was good in 84%. OB and OFL 3DE RV volumes and EF were similar. 3DE derived FSA and LS (but not TAPSE) were similar to 2DE values and correlated with tissue Doppler systolic peak velocity, dP/dt, systolic pulmonary pressure and myocardial performance index. OB RV volumes and EF well correlated with CMR. (bias + SD: - 21.5 ± 20 mL for EDV; - 8.2 ± 12.4 mL for ESV; - 1 ± 5.9% for EF). OB 3DE method is feasible, simple, time saving. It easily provides 3DE RV volumes and multiple functional parameters. Off-line operator border adjustment may improve accuracy of 3DE TAPSE.
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Ecocardiografia Doppler , Ecocardiografia Tridimensional , Cardiopatias/diagnóstico por imagem , Ventrículos do Coração/diagnóstico por imagem , Função Ventricular Direita , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Casos e Controles , Estudos de Viabilidade , Feminino , Cardiopatias/fisiopatologia , Ventrículos do Coração/fisiopatologia , Humanos , Interpretação de Imagem Assistida por Computador , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Contração Miocárdica , Valor Preditivo dos Testes , Estudos Prospectivos , Reprodutibilidade dos Testes , Software , Volume SistólicoRESUMO
According to current recommendations, patients could benefit from tricuspid valve (TV) annuloplasty at the time mitral valve (MV) surgery if tricuspid regurgitation is severe or if tricuspid annulus (TA) dilatation is present. Therefore, an accurate pre-operative echocardiographic study is mandatory for left but also for right cardiac structures. Aims of this study are to assess right atrial (RA), right ventricular (RV) and TA geometry and function in patients undergoing MV repair without or with TV annuloplasty. We studied 103 patients undergoing MV surgery without (G1: 54 cases) or with (G2: 49 cases) concomitant TV annuloplasty and 40 healthy subjects (NL) as controls. RA, RV and TA were evaluated by three-dimensional (3D) transthoracic echocardiography. Comparing the pathological to the NL group, TA parameters and 3D right chamber volumes were significantly larger. RA and RV ejection fraction and TA% reduction were lower in pathological versus NL, and in G2 versus G1. In pathological patients, TA area positively correlated to systolic pulmonary pressure and negatively with RV and RA ejection fraction. Patients undergoing MV surgery and TV annuloplasty had an increased TA dimensions and a more advanced remodeling of right heart chambers probably reflecting an advanced stage of the disease.
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Função do Átrio Direito , Remodelamento Atrial , Anuloplastia da Valva Cardíaca , Átrios do Coração/fisiopatologia , Implante de Prótese de Valva Cardíaca , Ventrículos do Coração/fisiopatologia , Insuficiência da Valva Mitral/cirurgia , Prolapso da Valva Mitral/cirurgia , Valva Mitral/cirurgia , Insuficiência da Valva Tricúspide/cirurgia , Valva Tricúspide/cirurgia , Função Ventricular Direita , Remodelação Ventricular , Idoso , Pressão Arterial , Anuloplastia da Valva Cardíaca/efeitos adversos , Estudos de Casos e Controles , Ecocardiografia Tridimensional , Feminino , Átrios do Coração/diagnóstico por imagem , Implante de Prótese de Valva Cardíaca/efeitos adversos , Ventrículos do Coração/diagnóstico por imagem , Humanos , Masculino , Pessoa de Meia-Idade , Valva Mitral/diagnóstico por imagem , Valva Mitral/fisiopatologia , Insuficiência da Valva Mitral/diagnóstico por imagem , Insuficiência da Valva Mitral/fisiopatologia , Prolapso da Valva Mitral/diagnóstico por imagem , Prolapso da Valva Mitral/fisiopatologia , Variações Dependentes do Observador , Valor Preditivo dos Testes , Artéria Pulmonar/fisiopatologia , Reprodutibilidade dos Testes , Índice de Gravidade de Doença , Resultado do Tratamento , Valva Tricúspide/diagnóstico por imagem , Valva Tricúspide/fisiopatologia , Insuficiência da Valva Tricúspide/diagnóstico , Insuficiência da Valva Tricúspide/fisiopatologiaRESUMO
BACKGROUND.: The presence of patent foramen ovale (PFO) has been linked to many illness, including cryptogenic stroke, transient ischemic attack, migraine, platypnea-orthodeoxia syndrome and decompression sickness in scuba divers. Transesophageal echocardiography is the gold standard technique for the visualization of atrial septal anatomy, but it is a secondary level exam, not always available, with additional associated costs and not completely free from procedural risks. Standard transthoracic echocardiography (TTE) has a too low sensitivity for PFO screening. PURPOSE.: The aim of the study was to assess the role of TTE associated with agitated saline contrast injection (contrast-TTE) as a gatekeeper for the identification of PFO in a large cohort of patients undergoing selection for percutaneous closure. METHODS.: A total of 200 patients undergoing a diagnostic work-up for the identification of PFO was imaged by contrast-TTE at rest and after provocative maneuvers (PM: Valsalva in all cases). Contrast TTE was graded from 0 to 4 on the bases of bubbles counting (0: no bubbles; 1: < 10 bubbles; 2: 10-30 bubbles; 3: >30 bubbles; 4: complete LV opacification). PFO closure was performed after a consensual clinical decision by the cardiologist and the neurologist taking into account comprehensive imaging, clinical evaluation and thrombophilia screening. PFO closure was always monitored by intracardiac echocardiography. RESULTS.: At baseline contrast TTE was positive (≥2) in 34 patients (17%) while contrast TTE with PM was positive in 94 cases (47%). 27 out of 200 patients (14%) had an interatrial septal aneurysms. PFO closure was performed in 34 cases (17%). All of these had severe right-to-left shunting (≥3) at contrast TTE and 9 cases had also an interatrial septal aneurysms. The procedure was aborted in only 1 patient due to a complex defect anatomy. CONCLUSION.: Contrast TTE with PM may be not only considered an accurate tool for the detection of PFO but may be also inserted in the diagnostic work- up as a primary gatekeeper for percutaneous closure. Severe shunting at contrast TTE influences final decision making in a large cohort of cases undergoing screening for PFO closure.
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Meios de Contraste , Ecocardiografia/métodos , Forame Oval Patente/diagnóstico por imagem , Forame Oval Patente/cirurgia , Intensificação de Imagem Radiográfica , Adulto , Procedimentos Cirúrgicos Cardíacos/métodos , Estudos de Coortes , Feminino , Forame Oval Patente/fisiopatologia , Humanos , Masculino , Programas de Rastreamento/métodos , Pessoa de Meia-Idade , Seleção de Pacientes , Prognóstico , Sensibilidade e Especificidade , Adulto JovemRESUMO
Factors correlating to mitral annulus calcification (MAC) include risk factors predisposing to atherosclerosis. In patients with mitral valve (MV) prolapse (MVP), other anatomic or mechanical factors have been supposed to facilitate MAC. The aims of this study were, in patients with MVP undergoing MV repair, (1) to describe the prevalence and characteristics of MAC, (2) to correlate MAC with clinical risk factors, coronary involvement, and aortic valve disease, and (3) to describe prevalence, site, and extension of MAC in fibroelastic deficiency (FED) versus Barlow's disease (BD) and correlate MAC to surgical outcomes (repair vs replacement). In 410 consecutive patients with MVP suitable for surgical MV repair, detailed clinical and echocardiographic data were collected to characterize MAC in BD and FED. MAC was found in 99 patients (24%). Age, female gender, coronary artery disease, and cardiovascular risk factors were correlated with MAC. MAC was equally distributed in FED and BD groups despite patients with FED being older with more cardiovascular risk factors. The most common localization of MAC was annular involvement adjacent to P2 (75%), P1 (31%), and P3 (35%). The presence of MAC affected surgical outcomes in both groups (8% patients with MAC underwent replacement after a first attempt of repair vs 3% without MAC). MAC is a common finding in patients undergoing MV repair, and several clinical characteristics correlate with MAC either in FED or BD. In conclusion, despite very high percentage of repairability, MAC influences surgical outcomes and very detailed echo evaluation is advocated.
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Calcinose/epidemiologia , Ecocardiografia/métodos , Implante de Prótese de Valva Cardíaca/métodos , Prolapso da Valva Mitral/etiologia , Valva Mitral/diagnóstico por imagem , Idoso , Calcinose/complicações , Calcinose/diagnóstico por imagem , Feminino , Seguimentos , Humanos , Itália/epidemiologia , Masculino , Pessoa de Meia-Idade , Valva Mitral/cirurgia , Prolapso da Valva Mitral/diagnóstico por imagem , Prolapso da Valva Mitral/cirurgia , Prevalência , Estudos RetrospectivosRESUMO
Caecal volvulus is an uncommon cause of closed loop intestinal obstruction which can lead to caecal gangrene and high mortality. Delay in diagnosis is one of the causes of this high mortality. Caecal volvulus is reported to be associated with previous abdominal surgery in most cases. We present the first reported case of caecal volvulus following/associated with acute cholecystitis.
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Ceco/patologia , Colecistite/complicações , Volvo Intestinal/diagnóstico , Doença Aguda , Idoso , Idoso de 80 Anos ou mais , Ceco/cirurgia , Feminino , Humanos , Volvo Intestinal/etiologia , Volvo Intestinal/cirurgia , Tomografia Computadorizada por Raios XRESUMO
This prospective study aimed to determine the surgical site infection (SSI) rate and associated risk factors was carried in a general surgical ward at Liaquat University Hospital Jamshoro. A total of 460 patients requiring elective general surgery from July 2005 to June 2006 were included in this study. All four surgical wound categories were included. Primary closure was employed in all cases. Patients were followed up to 30th day postoperatively. All cases were evaluated for postoperative fever, redness, swelling of wound margins and collection of pus. Cultures were taken from all the cases with any of the above finding. Mean +/- SD age of the patients was 38.8 +/- 17.4 years with male to female ratio of 1.5:1. The overall rate of surgical site infection was 13.0%. The rate of wound infection was 5.3% in clean operations, 12.4% in clean-contaminated, 36.3% in contaminated and 40% in dirt-infected cases. Age, use of surgical drain, duration of operation and wound class were significant risk factors for increased surgical site infection (P < 0.05). Postoperative hospital stay was double in cases who had surgical site infection. Sex, haemoglobin level and diabetes were not statistically significant risk factors (P > 0.05). In conclusion, surgical site infection causes considerable morbidity and economic burden. The routine reporting of SSI rates stratified by potential risk factors associated with increased risk of infection is highly recommended.
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Procedimentos Cirúrgicos Eletivos/efeitos adversos , Infecção da Ferida Cirúrgica/epidemiologia , Adolescente , Adulto , Fatores Etários , Idoso , Criança , Feminino , Seguimentos , Hospitais Universitários , Humanos , Tempo de Internação , Masculino , Pessoa de Meia-Idade , Paquistão , Estudos Prospectivos , Fatores de RiscoRESUMO
We report a rare case of low grade sarcoma of scrotal wall. A male child aged 2 1/2 years presented with history of scrotal lymphoedema involving the left side of scrotum, slowly progressive since birth. We planned scrotectomy but the patient was lost to follow-up. During intervening period, left inguinal omentopexy was done elsewhere. The patient again presented 3 years later with multiple swellings in scrotum. We performed almost complete scrotectomy with reconstruction of the scrotal defect using scrotal remnant as a stretchable musculocutaneous flap. A third of the residual scrotum could be expanded to resurface the entire scrotum. On histopathology, low grade malignant peripheral nerve sheath tumor of grade-I was confirmed. Post-operative follow-up showed no residual disease.
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Neoplasias dos Genitais Masculinos/patologia , Sarcoma/patologia , Escroto , Pré-Escolar , Neoplasias dos Genitais Masculinos/cirurgia , Humanos , Masculino , Sarcoma/cirurgiaRESUMO
A case of a 55 years old lady with tuberculosis of the tongue is reported. Patient presented with non-healing ulcer in dorsum of the tongue for one year. Initial biopsy and histopathological examination revealed non-specific inflammation. After surgery, biopsy report proved primary tuberculosis of tongue. Anti-tubercular therapy for nine months showed uneventful recovery of the patient.