Porto sinusoidal vascular liver disease (PSVD) and portal vein thrombosis (PVT) are distinct vascular liver diseases characterized, respectively, by an intrahepatic and a prehepatic obstacle to the flow in the liver p...Porto sinusoidal vascular liver disease (PSVD) and portal vein thrombosis (PVT) are distinct vascular liver diseases characterized, respectively, by an intrahepatic and a prehepatic obstacle to the flow in the liver portal system. PVT may also occur as a complication of the natural history of PSVD, especially if a prothrombotic condition coexists. In other cases, it is associated to local and systemic pro-thrombotic conditions, even if its cause remains unknown in up to 25% despite an active search. In our opinion, the presence of PSVD should be suspected in patients with PVT especially in those with PVT “sine causa” and the active search of this condition should be included in their diagnostic work-out. However, sometimes the diagnosis of pre-existing PSVD is very hard. Biopsy cannot be fully discriminant as similar histological data have been described in both conditions. Liver stiffness may help as it has been shown to be higher in PSVD than in “pure” PVT, due to the presence of sclerosis in the portal venous radicles observable in PSVD patients. Nevertheless, comparing liver stiffness between PVT and PSVD has until now been restricted to very limited series of patients. In conclusion, even if it is still totally hypothetical, our point of view may have clinical consequences, especially when deciding to perform a liver biopsy in patients with a higher liver stiffness and suspending the anticoagulation in patients with PVT and no detectable prothrombotic factors.展开更多
AIM:To present a dedicated series of transjugular intrahepatic porto-systemic shunts(TIPS) in the elderly since data is sparse on this population group.METHODS:A retrospective review was performed of patients at least...AIM:To present a dedicated series of transjugular intrahepatic porto-systemic shunts(TIPS) in the elderly since data is sparse on this population group.METHODS:A retrospective review was performed of patients at least 65 years of age who underwent TIPS at our institutions between 1997 and 2010.Twentyfive patients were referred for TIPS.We deemed that 2 patients were not considered appropriate candidates due to their markedly advanced liver disease.Of the 23 patients suitable for TIPS,the indications for TIPS placement was portal hypertension complicated by refractory ascites alone(n = 9),hepatic hydrothorax alone(n = 2),refractory ascites and hydrothorax(n = 1),gastrointestinal bleeding alone(n = 8),gastrointestinal bleeding and ascites(n = 3).RESULTS:Of these 23 attempted TIPS procedure patients,21 patients had technically successful TIPS procedures.A total of 29 out of 32 TIPS procedures including revisions were successful in 21 patients with a mean age of 72.1 years(range 65-82 years).Three of the procedures were unsuccessful attempts at TIPS and 8 procedures were successful revisions of our existing TIPS.Sixteen of 21 patients who underwent successful TIPS(excluding 5 patients lost to follow-up) were followed for a mean of 14.7 mo.Ascites and/or hydrothorax was controlled following technically successful procedures in 12 of 13 patients.Bleeding was controlled following technically successful procedures in 10 out of 11 patients.CONCLUSION:We have demonstrated that TIPS is an effective procedure to control refractory complications of portal hypertension in elderly patients.展开更多
AIM:To investigate the effect of transjugular intra-hepatic porto-systemic shunt (TIPS) on malnutrition in portal hypertensive cirrhotic patients.METHODS: Twenty-one patients with liver cirrhosis and clinical indicati...AIM:To investigate the effect of transjugular intra-hepatic porto-systemic shunt (TIPS) on malnutrition in portal hypertensive cirrhotic patients.METHODS: Twenty-one patients with liver cirrhosis and clinical indications for TIPS insertion were investigated before and 1, 4, 12, 52 wk after TIPS. For each patient we assayed body composition parameters [dry lean mass, fat mass, total body water (TBW)], routine liver and kidney function tests, and free fatty acids (FFA). Glucose and insulin were measured for the calculation of the homeostasis model assessment insulin resistance (HOMA-IR); liver function was measured by the galactose elimination capacity (GEC); the severity of liver disease was graded by model for end-stage liver disease (MELD).RESULTS: Porto-systemic gradient decreased after TIPS (6.0±2.1 mmHg vs 15.8±4.8 mmHg, P<0.001). Patients were divided in two groups according to initial body mass index. After TIPS, normal weight patients had an increase in dry lean mass (from 10.9±5.9 kg to 12.7±5.6 kg, P=0.031) and TBW (from 34.5±7.6 L to 40.2±10.8 L,P=0.007), as well as insulin (from 88.9±49.2 pmol/L to 164.7±107.0 pmol/L,P=0.009) and HOMA-IR (from 3.36%±2.18% to 6.18%±4.82%,P=0.023). In overweight patients only FFA increased significantly (from 0.59±0.24 mmol/L to 0.93±0.34 mmol/L, P=0.023).CONCLUSION: TIPS procedure is effective in lowering portal pressure in patients with portal hypertension and improves body composition without significant changes in metabolic parameters.展开更多
BACKGROUND Duodenal varices are a lesser-known complication with non-cirrhotic portal hypertension. We report a circuitous route from missed diagnosis of duodenal varices to correction. An extremely rare case of duode...BACKGROUND Duodenal varices are a lesser-known complication with non-cirrhotic portal hypertension. We report a circuitous route from missed diagnosis of duodenal varices to correction. An extremely rare case of duodenal variceal bleeding secondary to idiopathic portal hypertension(IPH) is expounded in this study, which was controlled by transjugular intra-hepatic porto-systemic shunt(TIPS) plus embolization. CASE SUMMARY A 46-year-old woman with anemia for two years was frequently admitted to the local hospital. Upon examination, anemia was attributed to gastrointestinal tract bleeding, which resulted from duodenal variceal bleeding detected by repeated esophagogastroduodenoscopy. At the end of a complete workup, IPH leadingto duodenal varices was diagnosed. Portal venography revealed that the remarked duodenal varices originated from the proximal superior mesenteric vein. TIPS plus embolization with coils and Histoacryl was performed to obliterate the rupture of duodenal varices. The anemia resolved, and the duodenal varices completely vanished by 2 mo after the initial operation. CONCLUSION TIPS plus embolization may be more appropriate to treat the bleeding of large duodenal varices.展开更多
Service Science,Engineering and Management(SSME)is emerging as a new discipline and several universities have been evolving or creating courses/programs to educate for the needs of the service fields of the economy.Th...Service Science,Engineering and Management(SSME)is emerging as a new discipline and several universities have been evolving or creating courses/programs to educate for the needs of the service fields of the economy.The University of Porto started in 2007 a master program in Service Engineering and Management,and Masaryk University started in 2008 a program in Service Science,Management,and Engineering.Both programs concentrate on services that are supported by technology,in particular information and communication technologies.This paper presents a summary of both programs and a proposal for a joint 2 year master program involving the two universities that is expected to start in 2010.Students in this program will take courses in the two universities,and lecturers will be involved in joint research projects. Individual students will have a semester research or applied project in a European service organization,being supervised by a lecturer or a researcher from each universities.It is expected that graduates will understand technological,organizational and cultural aspects of the diverse businesses in a wide European context and will be ready for service requirements of this century.展开更多
Transformations in the use of urban space in contemporary cities have common features and projects in the global era take similar themes, such as requalifications of port areas and waterfronts. The main objective of t...Transformations in the use of urban space in contemporary cities have common features and projects in the global era take similar themes, such as requalifications of port areas and waterfronts. The main objective of this paper is to revisit the process of urban transformation and valorization of the port areas of Buenos Aires, Argentina, and Rio de Janeiro, Brazil, completed in 1990 and 2015, respectively. It recapitulates their historical processes from decay to recovery as tourist zones, following the implementation of the ＂Strategic Plan of Antiguo Puerto Madero＂, from 1990, in Buenos Aires, and of ＂Urban Operation Porto Maravilha＂, from 2009, in Rio de Janeiro. While planning and strategies differ as they sought distinct locations in different times, they were similar in attracting massive investment from the real estate market. Therefore, consequences of the projects for the cities and the local population are a more important issue than formal results achieved.展开更多
Introduction: The aim of this study was to determine the prevalence and risk factors of diabetes mellitus in the adult population of Porto-Novo. Methods: A cross-sectional study with random sampling, stratified cluste...Introduction: The aim of this study was to determine the prevalence and risk factors of diabetes mellitus in the adult population of Porto-Novo. Methods: A cross-sectional study with random sampling, stratified cluster, was used. Fasting blood glucose was measured in capillary blood (Accu-Chek Active). Diabetes mellitus was defined as fasting glucose ≥ 1.26 g/L, and fasting hyperglycemia in non-diabetic fasting glucose ≥ 1.10 and < 1.26 g/L. Results: The survey involved 240 individuals. The sex ratio was 0.48. The mean age was 46 ± 13 years (range 25 - 80 years). The prevalence of hyperglycemic patients was 7.9%. The prevalence of diabetes was 6.7%, including 3.3% of unknown diabetes, half of diabetics. The prevalence of fasting hyperglycemia without diabetes was 1.2%. The risk factors for diabetes type 2 onset were a family history of diabetes (p = 0.017), older age (p = 0.003), hypertension (p = 0.005) and abdominal obesity (NCEP: p = 0.044;FID: p = 0.001). Conclusion: These high figures confirm the increasing prevalence of diabetes mellitus in Benin, documented in many developing countries.展开更多
<b><span style="font-family:"">Background:</span></b><span><span style="font-family:""> Vitamin D deficiency is very common among PLWHA compared to the...<b><span style="font-family:"">Background:</span></b><span><span style="font-family:""> Vitamin D deficiency is very common among PLWHA compared to the general population and is promoted by several factors. <b>Aim:</b> To identify the factors associated with hypovitaminosis D in people living with <span>HIV/AIDS (PLWHA) followed up in Porto-Novo in 2019. <b>Methods: </b>This</span> <span>was a cross-sectional, descriptive and analytical study. PLWHA who were</span> monitored on an outpatient basis and who gave their consent were included in this work. Subjects unable to answer questions or under ongoing vitamin D supplementation or suffering from chronic liver diseases were not included. Hypovitaminosis D was defined by a blood level of 25 hydroxy-vitamin D less than 30 ng/mL. <b>Results: </b>A total of 270 PLWHA were included in the study. The mean age of the patients was 39.51 ± 6.85 years with a female predominance (73.3%). The frequency of hypovitaminosis D was 56%. Hypertension, low protein intake, anemia and low glomerular filtration rate were associated <span>with vitamin D deficiency. <b>Conclusion:</b> Vitamin D deficiency is common</span> among PLWHA, which justifies routine screening, especially among those at risk.展开更多
In this work, it is investigated the Urban Heat Island (UHI) using conservative thermodynamic variables observed by surface weather stations on the Metropolitan Area of Porto (Oporto) in Portugal, under adiabatic cond...In this work, it is investigated the Urban Heat Island (UHI) using conservative thermodynamic variables observed by surface weather stations on the Metropolitan Area of Porto (Oporto) in Portugal, under adiabatic conditions at the surface. These conditions are usually present and associated with the development of a mixture layer into the diurnal Convective Boundary Layer (CBL), which residual layer in the late afternoon defines the initial state for the development of the nocturnal UHI. Both the spatial structure and temporal variation of potential temperature and specific humidity were considered, along the hours and days of the year, from a statistical point of view, resulting in hourly climatology. Details of the hourly evolution of the meteorological variables on the Oporto surface are presented and discussed. Results show a seasonal variation of the potential temperature up to 17°C throughout the year, which is associated with horizontal thermal gradients that can control and trigger mesoscale circulations such as sea-land, urban and valley-mountain breezes.展开更多
Background: Diabetes mellitus is one of the most common non-communicable diseases in the world. The aim of our study was to assess the level of knowledge of the adult population of Porto-Novo on clinical manifestation...Background: Diabetes mellitus is one of the most common non-communicable diseases in the world. The aim of our study was to assess the level of knowledge of the adult population of Porto-Novo on clinical manifestations and complications of diabetes mellitus. Methods: It is a descriptive cross-sectional study conducted under STEP wise approach. It took place from June 1 to July 28, 2014. Results: A total of 240 subjects were included in the study. The mean age of the subjects was 46.07 years ± 12.63 years, ranging from 25 to 80 years. Subjects age between 35 - 45 years are the most represented. Women were mostly represented 162 against 78 men respectively 67.5% against 32.5% with sex ratio of 0.48. The majority of the subjects were scholar (73.3%). For clinical manifestations of diabetes mellitus, 64.2% of subjects had quoted polyuria, asthenia 57.5%, 56.7% weight loss. Polydipsia and polyphagia were less familiar with, respectively, 27.5% and 23.3%. Regarding the complications of diabetes, diabetic foot and coma were the best known, respectively, 78.8% and 58.8%. Nephropathy (45.0%), 39.6% retinopathy and neuropathy (21.7%) were the least known. The prevalence of physical inactivity in this study population was 95.0%. It was 98.1% in women versus 88.5% for men. Conclusion: Diabetes mellitus, whose prevalence is steadily increasing, is not yet well known in our population.展开更多
<strong>Background:</strong> Chronic hyperglycemia promotes the development of degenerative diseases such as dementia. Our objective is to study dementia in diabetic patients in a hospital environment in P...<strong>Background:</strong> Chronic hyperglycemia promotes the development of degenerative diseases such as dementia. Our objective is to study dementia in diabetic patients in a hospital environment in Porto-Novo. <strong>Methods:</strong> This is a cross-sectional, prospective study with a descriptive and analytical aim that took place from May 18 to September 18, 2017, <i>i.e.</i> 4 months. The study population consists of all diabetic patients who consulted in the internal medicine departments of the Oueme-Plateau Teaching Hospital and at Saint Gérard clinic in Porto-Novo during the study period and who gave their enlightened consent. <strong>Results:</strong> The study included 246 patients with a mean age of 56.47 ± 11.97 years. There were 172 (69.9%) women, <i>i.e.</i> a sex ratio of 0.43. Diabetes had been known for less than 10 years in the majority (67.9%). Type 2 diabetics were in the majority (95.5%). Of the 246 patients, 42 (17.1%) had a Mini Mental State Examination (MMSE) less than or equal to 24. Of these 42 patients, 32 met the DSM V (Diagnostic and Statistical Manual disorders, 5th edition) criteria for dementias, i.e. a frequency of 13.0%. Of the 32 demented patients, 21 (65.6%) had vascular dementia and 34.4% had degenerative dementia. We did not note a mixed etiology. Dementia was severe in 15.6% of cases. In multivariate analysis, only age (OR = 10.09;95% CI [4.19 - 24.27];p < 0.001), arterial hypertension (OR = 7.10;95% CI [1.92 - 26.22];p = 0.003), and alcohol consumption (OR = 3.95;95% CI [1.29 - 12.15];p = 0.017) were statically associated with the onset of dementia in our diabetic patients. <strong>Conclusion:</strong> Screening for dementia should be systematic in diabetics, especially at old age.展开更多
Introduction: The distribution of arteriopathy of the lower limbs (ALL) is not familiar in the city of Porto-Novo. The aim of this study was to determine the prevalence and associated factors of ALL in diabetic patien...Introduction: The distribution of arteriopathy of the lower limbs (ALL) is not familiar in the city of Porto-Novo. The aim of this study was to determine the prevalence and associated factors of ALL in diabetic patients in treatment at the Oueme-Plateau Provincial Teaching Hospital. Methods: This was a cross-sectional, descriptive, and analytical study from July 12 to October 10, 2021, at the Oueme-Plateau Provincial Teaching Hospital in Porto-Novo. ALL was screened by performing systolic pressure index (SPI) in all diabetic patients aged at least 18 years, seen in consultation or hospitalization during the study period and who had given their consent. Results: The study registered 165 diabetics and 98.2% of them were type 2. Subjects aged between 55 and 65 years were the most represented (33.9%), with an average age of 59.4 years. Women were in the majority (61.2%), with a sex ratio of 0.6. High blood pressure was associated with diabetes in 61.2% of patients. The prevalence of ALL was 48.5% (80 patients). Obliterative arteriopathy of the lower limbs (OALL) was observed in 70 patients (42.4%), mediacalcosis in 8 patients (4.8%), and mixed arteriopathy in 2 patients (1.2%). In 88.5% of patients, the pathology was symptomless. Factors significantly associated with ALL included advanced age (p = 0.01), the age of the glycemic imbalance (p = 0.03), lack of regular physical activity (p = 0.001) and dyslipidemia (p = 0.008). Conclusion: Pelvic limb arteriopathy is usual among diabetics at Oueme-Plateau Provincial Teaching Hospital. The use of SPI, which enables diagnosis, requires simple, low-cost means, and should be encouraged.展开更多
This article aims to study the efficiency of coupled vertical drains for the treatment of long-lasting compressible clay soils for the road project platform of the ring road of Porto Novo, capital of Benin. The experi...This article aims to study the efficiency of coupled vertical drains for the treatment of long-lasting compressible clay soils for the road project platform of the ring road of Porto Novo, capital of Benin. The experimental data allowed us to estimate a consolidation of 29% in 9 months, justifying the drainage of the soil. In order to study the efficiency of drainage, a FEM model was proposed simulating different scenarios. These include a drainless road, pavements equipped with vertical drains with meshes of 0.5 m 0.5 m, 1 m 1 m and 1.5 m 1.5 m respectively and horizontal drains. The results expressed in terms of variations in vertical stresses, effective stresses and shear deformations revealed significant variations in pavement performance depending on the mesh size of the vertical drains. The configuration with a mesh of 0.5 m 0.5 m showed the least deformations, thus indicating a reduction in deformations and better stress distribution. However, the other mesh configurations showed variable results, underlining the importance of choosing the right mesh for the specific project conditions.展开更多
Introduction Porto-sinusoidal vascular liver disorder(PSVD),including idiopathic noncirrhotic portal hypertension(PH),is a group of rare vascular liver diseases affecting the portal veins or hepatic sinusoids[1,2].Acc...Introduction Porto-sinusoidal vascular liver disorder(PSVD),including idiopathic noncirrhotic portal hypertension(PH),is a group of rare vascular liver diseases affecting the portal veins or hepatic sinusoids[1,2].According to statistics,approximately half of patients with PSVD have coexisting PH[3,4].Current studies have shown that PSVD may be linked to genetics,chronic infection,immune disorders,hypercoagulability,and exposure to drugs and toxicants[1].展开更多
The specialty chemicals group LANXESS AG is building its own innovative,highly ef-ficient cogeneration plant at its Brazilian sitein Porto Feliz for the combined generation of steam
Type-C hepatic encephalopathy(HE) is a severe complication of cirrhosis,which seriously affects quality of life and is strongly related to patient survival.Treatment based on a classical pharmacological approach that ...Type-C hepatic encephalopathy(HE) is a severe complication of cirrhosis,which seriously affects quality of life and is strongly related to patient survival.Treatment based on a classical pharmacological approach that is aimed at reducing the production of gut-derived toxins,such as ammonia,is still under debate.Currently,results obtained from clinical trials do not support any specific treatment for HE and our competence in testing old and new treatment modalities by randomized controlled trials with appropriate clinically relevant end-points urgently needs to be improved.On the other hand,patients who are at risk for HE are now identifiable,based on studies on the natural history of the disease.Today,very few studies that are specifically aimed at establishing whether HE may be prevented are available or in progress.Recent studies have looked at non absorbable disaccharides or antibiotics and other treatment modalities,such as the modulation of intestinal flora.In the treatment of severe stage HE,artificial liver supports have been tested with initial positive results but more studies are needed.展开更多
文摘Porto sinusoidal vascular liver disease (PSVD) and portal vein thrombosis (PVT) are distinct vascular liver diseases characterized, respectively, by an intrahepatic and a prehepatic obstacle to the flow in the liver portal system. PVT may also occur as a complication of the natural history of PSVD, especially if a prothrombotic condition coexists. In other cases, it is associated to local and systemic pro-thrombotic conditions, even if its cause remains unknown in up to 25% despite an active search. In our opinion, the presence of PSVD should be suspected in patients with PVT especially in those with PVT “sine causa” and the active search of this condition should be included in their diagnostic work-out. However, sometimes the diagnosis of pre-existing PSVD is very hard. Biopsy cannot be fully discriminant as similar histological data have been described in both conditions. Liver stiffness may help as it has been shown to be higher in PSVD than in “pure” PVT, due to the presence of sclerosis in the portal venous radicles observable in PSVD patients. Nevertheless, comparing liver stiffness between PVT and PSVD has until now been restricted to very limited series of patients. In conclusion, even if it is still totally hypothetical, our point of view may have clinical consequences, especially when deciding to perform a liver biopsy in patients with a higher liver stiffness and suspending the anticoagulation in patients with PVT and no detectable prothrombotic factors.
文摘AIM:To present a dedicated series of transjugular intrahepatic porto-systemic shunts(TIPS) in the elderly since data is sparse on this population group.METHODS:A retrospective review was performed of patients at least 65 years of age who underwent TIPS at our institutions between 1997 and 2010.Twentyfive patients were referred for TIPS.We deemed that 2 patients were not considered appropriate candidates due to their markedly advanced liver disease.Of the 23 patients suitable for TIPS,the indications for TIPS placement was portal hypertension complicated by refractory ascites alone(n = 9),hepatic hydrothorax alone(n = 2),refractory ascites and hydrothorax(n = 1),gastrointestinal bleeding alone(n = 8),gastrointestinal bleeding and ascites(n = 3).RESULTS:Of these 23 attempted TIPS procedure patients,21 patients had technically successful TIPS procedures.A total of 29 out of 32 TIPS procedures including revisions were successful in 21 patients with a mean age of 72.1 years(range 65-82 years).Three of the procedures were unsuccessful attempts at TIPS and 8 procedures were successful revisions of our existing TIPS.Sixteen of 21 patients who underwent successful TIPS(excluding 5 patients lost to follow-up) were followed for a mean of 14.7 mo.Ascites and/or hydrothorax was controlled following technically successful procedures in 12 of 13 patients.Bleeding was controlled following technically successful procedures in 10 out of 11 patients.CONCLUSION:We have demonstrated that TIPS is an effective procedure to control refractory complications of portal hypertension in elderly patients.
文摘AIM:To investigate the effect of transjugular intra-hepatic porto-systemic shunt (TIPS) on malnutrition in portal hypertensive cirrhotic patients.METHODS: Twenty-one patients with liver cirrhosis and clinical indications for TIPS insertion were investigated before and 1, 4, 12, 52 wk after TIPS. For each patient we assayed body composition parameters [dry lean mass, fat mass, total body water (TBW)], routine liver and kidney function tests, and free fatty acids (FFA). Glucose and insulin were measured for the calculation of the homeostasis model assessment insulin resistance (HOMA-IR); liver function was measured by the galactose elimination capacity (GEC); the severity of liver disease was graded by model for end-stage liver disease (MELD).RESULTS: Porto-systemic gradient decreased after TIPS (6.0±2.1 mmHg vs 15.8±4.8 mmHg, P<0.001). Patients were divided in two groups according to initial body mass index. After TIPS, normal weight patients had an increase in dry lean mass (from 10.9±5.9 kg to 12.7±5.6 kg, P=0.031) and TBW (from 34.5±7.6 L to 40.2±10.8 L,P=0.007), as well as insulin (from 88.9±49.2 pmol/L to 164.7±107.0 pmol/L,P=0.009) and HOMA-IR (from 3.36%±2.18% to 6.18%±4.82%,P=0.023). In overweight patients only FFA increased significantly (from 0.59±0.24 mmol/L to 0.93±0.34 mmol/L, P=0.023).CONCLUSION: TIPS procedure is effective in lowering portal pressure in patients with portal hypertension and improves body composition without significant changes in metabolic parameters.
基金Supported by National Natural Science Foundation of China under Grant No.81503437
文摘BACKGROUND Duodenal varices are a lesser-known complication with non-cirrhotic portal hypertension. We report a circuitous route from missed diagnosis of duodenal varices to correction. An extremely rare case of duodenal variceal bleeding secondary to idiopathic portal hypertension(IPH) is expounded in this study, which was controlled by transjugular intra-hepatic porto-systemic shunt(TIPS) plus embolization. CASE SUMMARY A 46-year-old woman with anemia for two years was frequently admitted to the local hospital. Upon examination, anemia was attributed to gastrointestinal tract bleeding, which resulted from duodenal variceal bleeding detected by repeated esophagogastroduodenoscopy. At the end of a complete workup, IPH leadingto duodenal varices was diagnosed. Portal venography revealed that the remarked duodenal varices originated from the proximal superior mesenteric vein. TIPS plus embolization with coils and Histoacryl was performed to obliterate the rupture of duodenal varices. The anemia resolved, and the duodenal varices completely vanished by 2 mo after the initial operation. CONCLUSION TIPS plus embolization may be more appropriate to treat the bleeding of large duodenal varices.
文摘Service Science,Engineering and Management(SSME)is emerging as a new discipline and several universities have been evolving or creating courses/programs to educate for the needs of the service fields of the economy.The University of Porto started in 2007 a master program in Service Engineering and Management,and Masaryk University started in 2008 a program in Service Science,Management,and Engineering.Both programs concentrate on services that are supported by technology,in particular information and communication technologies.This paper presents a summary of both programs and a proposal for a joint 2 year master program involving the two universities that is expected to start in 2010.Students in this program will take courses in the two universities,and lecturers will be involved in joint research projects. Individual students will have a semester research or applied project in a European service organization,being supervised by a lecturer or a researcher from each universities.It is expected that graduates will understand technological,organizational and cultural aspects of the diverse businesses in a wide European context and will be ready for service requirements of this century.
文摘Transformations in the use of urban space in contemporary cities have common features and projects in the global era take similar themes, such as requalifications of port areas and waterfronts. The main objective of this paper is to revisit the process of urban transformation and valorization of the port areas of Buenos Aires, Argentina, and Rio de Janeiro, Brazil, completed in 1990 and 2015, respectively. It recapitulates their historical processes from decay to recovery as tourist zones, following the implementation of the ＂Strategic Plan of Antiguo Puerto Madero＂, from 1990, in Buenos Aires, and of ＂Urban Operation Porto Maravilha＂, from 2009, in Rio de Janeiro. While planning and strategies differ as they sought distinct locations in different times, they were similar in attracting massive investment from the real estate market. Therefore, consequences of the projects for the cities and the local population are a more important issue than formal results achieved.
文摘Introduction: The aim of this study was to determine the prevalence and risk factors of diabetes mellitus in the adult population of Porto-Novo. Methods: A cross-sectional study with random sampling, stratified cluster, was used. Fasting blood glucose was measured in capillary blood (Accu-Chek Active). Diabetes mellitus was defined as fasting glucose ≥ 1.26 g/L, and fasting hyperglycemia in non-diabetic fasting glucose ≥ 1.10 and < 1.26 g/L. Results: The survey involved 240 individuals. The sex ratio was 0.48. The mean age was 46 ± 13 years (range 25 - 80 years). The prevalence of hyperglycemic patients was 7.9%. The prevalence of diabetes was 6.7%, including 3.3% of unknown diabetes, half of diabetics. The prevalence of fasting hyperglycemia without diabetes was 1.2%. The risk factors for diabetes type 2 onset were a family history of diabetes (p = 0.017), older age (p = 0.003), hypertension (p = 0.005) and abdominal obesity (NCEP: p = 0.044;FID: p = 0.001). Conclusion: These high figures confirm the increasing prevalence of diabetes mellitus in Benin, documented in many developing countries.
文摘<b><span style="font-family:"">Background:</span></b><span><span style="font-family:""> Vitamin D deficiency is very common among PLWHA compared to the general population and is promoted by several factors. <b>Aim:</b> To identify the factors associated with hypovitaminosis D in people living with <span>HIV/AIDS (PLWHA) followed up in Porto-Novo in 2019. <b>Methods: </b>This</span> <span>was a cross-sectional, descriptive and analytical study. PLWHA who were</span> monitored on an outpatient basis and who gave their consent were included in this work. Subjects unable to answer questions or under ongoing vitamin D supplementation or suffering from chronic liver diseases were not included. Hypovitaminosis D was defined by a blood level of 25 hydroxy-vitamin D less than 30 ng/mL. <b>Results: </b>A total of 270 PLWHA were included in the study. The mean age of the patients was 39.51 ± 6.85 years with a female predominance (73.3%). The frequency of hypovitaminosis D was 56%. Hypertension, low protein intake, anemia and low glomerular filtration rate were associated <span>with vitamin D deficiency. <b>Conclusion:</b> Vitamin D deficiency is common</span> among PLWHA, which justifies routine screening, especially among those at risk.
文摘In this work, it is investigated the Urban Heat Island (UHI) using conservative thermodynamic variables observed by surface weather stations on the Metropolitan Area of Porto (Oporto) in Portugal, under adiabatic conditions at the surface. These conditions are usually present and associated with the development of a mixture layer into the diurnal Convective Boundary Layer (CBL), which residual layer in the late afternoon defines the initial state for the development of the nocturnal UHI. Both the spatial structure and temporal variation of potential temperature and specific humidity were considered, along the hours and days of the year, from a statistical point of view, resulting in hourly climatology. Details of the hourly evolution of the meteorological variables on the Oporto surface are presented and discussed. Results show a seasonal variation of the potential temperature up to 17°C throughout the year, which is associated with horizontal thermal gradients that can control and trigger mesoscale circulations such as sea-land, urban and valley-mountain breezes.
文摘Background: Diabetes mellitus is one of the most common non-communicable diseases in the world. The aim of our study was to assess the level of knowledge of the adult population of Porto-Novo on clinical manifestations and complications of diabetes mellitus. Methods: It is a descriptive cross-sectional study conducted under STEP wise approach. It took place from June 1 to July 28, 2014. Results: A total of 240 subjects were included in the study. The mean age of the subjects was 46.07 years ± 12.63 years, ranging from 25 to 80 years. Subjects age between 35 - 45 years are the most represented. Women were mostly represented 162 against 78 men respectively 67.5% against 32.5% with sex ratio of 0.48. The majority of the subjects were scholar (73.3%). For clinical manifestations of diabetes mellitus, 64.2% of subjects had quoted polyuria, asthenia 57.5%, 56.7% weight loss. Polydipsia and polyphagia were less familiar with, respectively, 27.5% and 23.3%. Regarding the complications of diabetes, diabetic foot and coma were the best known, respectively, 78.8% and 58.8%. Nephropathy (45.0%), 39.6% retinopathy and neuropathy (21.7%) were the least known. The prevalence of physical inactivity in this study population was 95.0%. It was 98.1% in women versus 88.5% for men. Conclusion: Diabetes mellitus, whose prevalence is steadily increasing, is not yet well known in our population.
文摘<strong>Background:</strong> Chronic hyperglycemia promotes the development of degenerative diseases such as dementia. Our objective is to study dementia in diabetic patients in a hospital environment in Porto-Novo. <strong>Methods:</strong> This is a cross-sectional, prospective study with a descriptive and analytical aim that took place from May 18 to September 18, 2017, <i>i.e.</i> 4 months. The study population consists of all diabetic patients who consulted in the internal medicine departments of the Oueme-Plateau Teaching Hospital and at Saint Gérard clinic in Porto-Novo during the study period and who gave their enlightened consent. <strong>Results:</strong> The study included 246 patients with a mean age of 56.47 ± 11.97 years. There were 172 (69.9%) women, <i>i.e.</i> a sex ratio of 0.43. Diabetes had been known for less than 10 years in the majority (67.9%). Type 2 diabetics were in the majority (95.5%). Of the 246 patients, 42 (17.1%) had a Mini Mental State Examination (MMSE) less than or equal to 24. Of these 42 patients, 32 met the DSM V (Diagnostic and Statistical Manual disorders, 5th edition) criteria for dementias, i.e. a frequency of 13.0%. Of the 32 demented patients, 21 (65.6%) had vascular dementia and 34.4% had degenerative dementia. We did not note a mixed etiology. Dementia was severe in 15.6% of cases. In multivariate analysis, only age (OR = 10.09;95% CI [4.19 - 24.27];p < 0.001), arterial hypertension (OR = 7.10;95% CI [1.92 - 26.22];p = 0.003), and alcohol consumption (OR = 3.95;95% CI [1.29 - 12.15];p = 0.017) were statically associated with the onset of dementia in our diabetic patients. <strong>Conclusion:</strong> Screening for dementia should be systematic in diabetics, especially at old age.
文摘Introduction: The distribution of arteriopathy of the lower limbs (ALL) is not familiar in the city of Porto-Novo. The aim of this study was to determine the prevalence and associated factors of ALL in diabetic patients in treatment at the Oueme-Plateau Provincial Teaching Hospital. Methods: This was a cross-sectional, descriptive, and analytical study from July 12 to October 10, 2021, at the Oueme-Plateau Provincial Teaching Hospital in Porto-Novo. ALL was screened by performing systolic pressure index (SPI) in all diabetic patients aged at least 18 years, seen in consultation or hospitalization during the study period and who had given their consent. Results: The study registered 165 diabetics and 98.2% of them were type 2. Subjects aged between 55 and 65 years were the most represented (33.9%), with an average age of 59.4 years. Women were in the majority (61.2%), with a sex ratio of 0.6. High blood pressure was associated with diabetes in 61.2% of patients. The prevalence of ALL was 48.5% (80 patients). Obliterative arteriopathy of the lower limbs (OALL) was observed in 70 patients (42.4%), mediacalcosis in 8 patients (4.8%), and mixed arteriopathy in 2 patients (1.2%). In 88.5% of patients, the pathology was symptomless. Factors significantly associated with ALL included advanced age (p = 0.01), the age of the glycemic imbalance (p = 0.03), lack of regular physical activity (p = 0.001) and dyslipidemia (p = 0.008). Conclusion: Pelvic limb arteriopathy is usual among diabetics at Oueme-Plateau Provincial Teaching Hospital. The use of SPI, which enables diagnosis, requires simple, low-cost means, and should be encouraged.
文摘This article aims to study the efficiency of coupled vertical drains for the treatment of long-lasting compressible clay soils for the road project platform of the ring road of Porto Novo, capital of Benin. The experimental data allowed us to estimate a consolidation of 29% in 9 months, justifying the drainage of the soil. In order to study the efficiency of drainage, a FEM model was proposed simulating different scenarios. These include a drainless road, pavements equipped with vertical drains with meshes of 0.5 m 0.5 m, 1 m 1 m and 1.5 m 1.5 m respectively and horizontal drains. The results expressed in terms of variations in vertical stresses, effective stresses and shear deformations revealed significant variations in pavement performance depending on the mesh size of the vertical drains. The configuration with a mesh of 0.5 m 0.5 m showed the least deformations, thus indicating a reduction in deformations and better stress distribution. However, the other mesh configurations showed variable results, underlining the importance of choosing the right mesh for the specific project conditions.
基金supported by the Shanghai Rising Star of Medical Talents Youth Development Program[grant no.SHWSRS(2023)]the Shanghai Changning District Health Commission Youth Project[grant no.2023QN27].
文摘Introduction Porto-sinusoidal vascular liver disorder(PSVD),including idiopathic noncirrhotic portal hypertension(PH),is a group of rare vascular liver diseases affecting the portal veins or hepatic sinusoids[1,2].According to statistics,approximately half of patients with PSVD have coexisting PH[3,4].Current studies have shown that PSVD may be linked to genetics,chronic infection,immune disorders,hypercoagulability,and exposure to drugs and toxicants[1].
文摘The specialty chemicals group LANXESS AG is building its own innovative,highly ef-ficient cogeneration plant at its Brazilian sitein Porto Feliz for the combined generation of steam
文摘Type-C hepatic encephalopathy(HE) is a severe complication of cirrhosis,which seriously affects quality of life and is strongly related to patient survival.Treatment based on a classical pharmacological approach that is aimed at reducing the production of gut-derived toxins,such as ammonia,is still under debate.Currently,results obtained from clinical trials do not support any specific treatment for HE and our competence in testing old and new treatment modalities by randomized controlled trials with appropriate clinically relevant end-points urgently needs to be improved.On the other hand,patients who are at risk for HE are now identifiable,based on studies on the natural history of the disease.Today,very few studies that are specifically aimed at establishing whether HE may be prevented are available or in progress.Recent studies have looked at non absorbable disaccharides or antibiotics and other treatment modalities,such as the modulation of intestinal flora.In the treatment of severe stage HE,artificial liver supports have been tested with initial positive results but more studies are needed.
