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Tropical and ultrasound

Silvana Amadeu Ferreira Alves Monteath, Maria Aparecida M Maciel, Raquel Garcia Vega, Heloisa de Mello, Carollina de Araújo Martins, Andressa Esteves-Souza, Cerli Rocha Gattass, Aurea Echevarria
BACKGROUND: Ixora coccinea Linn (Rubiaceae) is an evergreen shrub with bright scarlet colored flowers found in several tropical and subtropical countries. It is used as an ornamental and medicinal plant. Phytochemical studies revealed that its major special metabolites are triterpene acids, such as ursolic and oleanolic acid. OBJECTIVE: To evaluate the isolation of ursolic acid (UA) (1) from methanol extracts of I. coccinea flowers through two methodologies, to prepare four derivatives, and to evaluate the cytotoxic effect against six cancer cell lines...
April 2017: Pharmacognosy Magazine
Lian-Ben Chang, Chih-Jen Chou, Jia-Shian Shiu, Po-An Tu, Shi-Xuan Gao, Shao-Yu Peng, Shinn-Chih Wu
Our aim was to investigate insemination techniques in order to improve pregnancy rates of artificial insemination (AI) using sex-sorted semen (sexed AI) in cattle in tropical and subtropical (T/ST) regions. In T/ST regions, the pregnancy rates by sexed AI are reportedly the lowest in the hottest months of the year, with less than 15% in cows and 35-40% in heifers (PMID 24048822). We compared sexed AI by depositing the semen into the uterine body (UB-AI, n = 12) versus the unilateral uterine horn (UUH-AI, n = 14) of pre-ovulation heifers...
May 20, 2017: Tropical Animal Health and Production
Andrea Angheben, Mara Mariconti, Monica Degani, Maria Gobbo, Loredana Palvarini, Federico Gobbi, Enrico Brunetti, Francesca Tamarozzi
BACKGROUND: Italy is presently facing an increase in immigration from sub-Saharan Africa through the Mediterranean Sea. Case reports of human cystic echinococcosis (CE) have been reported from most sub-Saharan countries. Therefore, an increase in the number of patients with CE coming from these areas in the Italian and European centers for infectious diseases is expected. Unfortunately, the epidemiology of CE in sub-Saharan countries is poorly known, which makes clinical suspicion and diagnosis of such infection difficult in patients coming from these areas...
May 11, 2017: Parasites & Vectors
Sreenivasa Rao Sudulagunta, Mahesh Babu Sodalagunta, Mona Sepehrar, Shiva Kumar Bangalore Raja, Aravinda Settikere Nataraju, Mounica Kumbhat, Deepak Sathyanarayana, Siddharth Gummadi, Hemanth Kumar Burra
Dengue fever is a mosquito-borne arthropod-borne viral (arboviral) tropical disease in humans affecting 50-528 million people worldwide. The acute abdominal complications of dengue fever are acute appendicitis, acute pancreatitis, acute acalculous cholecystitis and non-specific peritonitis. Acute pancreatitis with new onset diabetes in dengue shock syndrome (DSS) is very rarely reported. We describe a case of 30-year-old man admitted in intensive care unit and was diagnosed with DSS with RT-PCR, NS1 antigen and dengue IgM antibody being positive...
November 2016: Oxford Medical Case Reports
Rita Barosa, João Pinto, Ana Caldeira, Eduardo Pereira
In the Western world, liver abscesses are predominantly of pyogenic origin and can present a wide range of ultrasonographic features, from a solid mass to a cystic cavity. Amoebic abscesses are endemic in tropical areas and typically round single lesions. Echinococcal cyst is diagnosed by ultrasound (US). Serology is particularly useful when pathognomonic US features are absent. Treatment is determined based on the WHO ultrasonographic classification, and puncture, aspiration, injection, re-aspiration (PAIR) is a US-guided therapeutic option...
December 8, 2016: Journal of Medical Ultrasonics
Vithiya Ratnasamy, Kumanan Thirunavukarasu, Kannathasan Selvam, Murugananthan Arumugam
BACKGROUND: Amoebic liver abscess is the most common extra intestinal manifestation of amoebiasis in tropical countries. It usually presents with right hypochondrial pain, fever and anorexia. Amoebic liver abscess has gained clinical significance due to the wide variety of clinical presentations which can cause diagnostic dilemmas and high mortality in untreated cases. CASE PRESENTATION: We report a case of a 63-year-old male with a history of anorexia for 3 weeks, fever for 4 days and examination findings of tender hepatomegaly with a liver span of 15 cm in the mid clavicular line and a firm irregular mass in the right iliac fossa...
December 8, 2016: BMC Infectious Diseases
Osama Negm, Sabry Abou Saif, Mohamed El Gharib, Mohamed Yousef, Sherief Abd-Elsalam
BACKGROUND AND AIM: Portal vein thrombosis (PVT) is a common complication after transarterial chemoembolization (TACE) in hepatocellular carcinoma (HCC). This is the first clinical study to evaluate the role of low-molecular-weight heparins (LMWHs) with TACE in HCC for the prevention of thromboembolism complications (PVT). PATIENTS AND METHODS: This study was carried out on 40 patients with HCC requiring TACE who presented to the Tropical Medicine Department, Tanta University and Interventional Radiology Department of Ain-Shams University Hospitals starting from April 2015...
March 2017: European Journal of Gastroenterology & Hepatology
Jorge Alonso Peralta-Torres, Jesús Ricardo Aké-López, Fernando Gerardo Centurión-Castro, José C Segura-Correa
The aim was to determine the effect of season and breed group on follicular population, and presence and size of CL of heifers under tropical conditions. The seasons were hot-dry (March-June), hot-humid (July-October), and fresh-humid (November-February). Thirty Zebu (Brahman) and 38 F1 (Simmental × Brahman) heifers were used. Five evaluations were made in each season, at intervals of 7 days, to assess ovarian activity by ultrasound. Follicles were classified as small (≤4 mm), middle (4.1-8 mm), and large (≥8...
January 2017: Tropical Animal Health and Production
Dattatray Solanke, Chetan Rathi, Vikas Pandey, Mallanagoud Patil, Aniruddha Phadke, Prabha Sawant
BACKGROUND: The aim of this study is to study the etiology, clinical profile, and prognostic factors related to maternal and fetal health in pregnant patients with liver disease in Western India. METHODS: This study included 103 consecutive pregnant patients with liver dysfunction from August 2013 to July 2015, who underwent regular biochemical tests, viral markers, ultrasound of abdomen, etc. and were followed up for 6 weeks postpartum or until death. RESULTS: Pregnancy-specific causes of liver dysfunction were found in 39 % (40/103) patients...
November 2016: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
Fabio G Rodrigues, Joao Batista Campos, Nivaldo Hartung Toppa, Steven D Wexner, Giovanna Dasilva
Schistosomiasis is a trematode infection endemic in more than 70 countries that affects an estimated 250 million people. We report the case of a 60-year-old healthy female referred for endoscopic ultrasound after rectal examination revealed granular lesions. Ultrasound revealed the presence of deep mucosal nodular lesions with calcified/hyperechoic inclusions. Histologic evaluation has confirmed the final diagnosis of chronic schistosomal colitis. In patients with nonspecific intestinal lesions without a suspected diagnosis of schistosomiasis, endoscopic ultrasound can be enlightening...
2016: Case Reports in Infectious Diseases
Dina H Ziada, Sherif El Sadany, Hanan Soliman, Sherief Abd-Elsalam, Marwa Salama, Nehad Hawash, Amal Selim, Manal Hamisa, Hala M Elsabagh
BACKGROUND AND AIM: Hepatocellular carcinoma (HCC) has an increasing incidence worldwide. In this study we aimed to assess the prevalence of HCC among HCV patients in our center in Mid Delta, Egypt. PATIENTS AND METHODS: During the period between April 2013 and January 2015, we screened sequentially chronic HCV patients attending inpatient wards or outpatient Clinic of Tropical Medicine Department in Tanta University Hospital for HCC. Individuals with focal lesion in Ultrasound (US) and/or serum α-fetoprotein (AFP) level >200ng/ml were examined by triphasic computed tomography scanning (CT), and/or magnetic resonance imaging (MRI)...
December 2016: Journal of the Egyptian National Cancer Institute
Joachim Richter, Daniel Azoulay, Yi Dong, Martha C Holtfreter, Robert Akpata, Julien Calderaro, Tarik El-Scheich, Matthias Breuer, Andreas Neumayr, Christoph Hatz, Gerald Kircheis, Monica C Botelho, Christoph F Dietrich
After malaria, schistosomiasis remains the most important tropical parasitic disease in large parts of the world. Schistosomiasis has recently re-emerged in Southern Europe. Intestinal schistosomiasis is caused by most Schistosoma (S.) spp. pathogenic to humans and leads to chronic inflammation and fibrosis of the colon as well as to liver fibrosis. Gallbladder abnormalities usually occur in patients with advanced hepatic portal fibrosis due to Schistosoma mansoni infection. Occasionally, gallbladder abnormalities have been seen also in children and occurring without associated overt liver abnormalities...
August 2016: Parasitology Research
Jenny Pena Dias, Denise Melvin, Michelle Shardell, Luigi Ferrucci, Chee W Chia, Mohsen Gharib, Josephine M Egan, Shehzad Basaria
Results of this trial suggest that the tropic effects of testosterone on the prostate are mediated via its aromatization to estradiol.
April 2016: Journal of Clinical Endocrinology and Metabolism
G Veneroni-Gouveia, P C Tizioto, S L C Meirelles, A C Santiago, M M Alencar, L C A Regitano
Backfat thickness (BFT) and ribeye area (REA) are important production traits but, because they are measured late in the animal's life, they have not been efficiently included in breeding programs. The aim of this study was to evaluate whether single nucleotide polymorphisms (SNPs) mapped to the leptin, PPARGC1A, PSMC1, CRH, and FABP4 genes, which influence BFT and REA in Canchim cattle, a composite beef breed (5/8 Charolais + 3/8 Zebu). BFT and REA phenotypic records were obtained by ultrasound measurements from 18-month-old animals...
December 11, 2015: Genetics and Molecular Research: GMR
Theodore J Dubinsky, Michael Kawooya
This manuscript will present a review of the use of ultrasound to diagnose and treat tropical diseases seen most commonly in Uganda.
December 2015: Ultrasound Quarterly
Tolga Karakan, Murat Bagcioglu, Serkan Özcan, Onur Telli, Hasan Turgut, Mehmet Özkan, Cancon Germiyanoglu
OBJECTIVE: In this study, we aimed to investigate the relation of testicular torsion and weather conditions, and to report results from Turkey, a country located between temperate and sub-tropical climate zones. METHODS: A total of 56 patients that had surgery with the diagnosis of testicular torsion in Ankara Education and Research Hospital Urology Clinic between 2005 and 2014 were included in the study. Age of the patient, side of torsion, date and time at onset of pain, scrotal exploration time, ischemia duration, degree of cord torsion, the surgical procedure performed, and scrotal Doppler ultrasound (USG) findings at the time of diagnosis and 1 month after surgery were retrospectively analyzed...
December 2015: Archivos Españoles de Urología
Gui-Fang Deng, Dong-Ping Xu, Sha Li, Hua-Bin Li
Sugar apple (Annona squamosa L.) is a popular tropical fruit and its peel is a municipal waste. An ultrasound-assisted extraction method was developed for the recovery of natural antioxidants from sugar apple peel. Central composite design was used to optimize solvent concentration (13.2%-46.8%), ultrasonic time (33.2-66.8 min), and temperature (43.2-76.8 °C) for the recovery of natural antioxidants from sugar apple peel. The second-order polynomial models demonstrated a good fit of the quadratic models with the experimental results in respect to total phenolic content (TPC, R²=0...
2015: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Godfrey M Kaatano, Duk-Young Min, Julius E Siza, Tai-Soon Yong, Jong-Yil Chai, Yunsuk Ko, Su-Young Chang, John M Changalucha, Keeseon S Eom, Han-Jong Rim
Schistosomiasis is one of the important neglected tropical diseases (NTDs) in Tanzania, particularly in Lake Victoria zone. This baseline survey was a part of the main study of integrated control of schistosomiasis and soil-transmitted helminths (STHs) aimed at describing morbidity patterns due to intestinal schistosomiasis among adults living on Kome Island, Sengerema District, Tanzania. Total 388 adults from Kome Islands (about 50 people from each village) aged between 12 and 85 years, were examined by abdominal ultrasound according to the Niamey protocol...
October 2015: Korean Journal of Parasitology
Jonas Erhardt, Matthias Frank
HISTORY AND ADMISSION FINDINGS: A 13-year-old girl presented with regular fevers, 6 months after a prolonged trip through Africa. The patient reported relapsing fevers at 48 hour intervals. Each febrile episode was followed by pronounced fatigue and a subsequent recovery back to her usual state of health. She reported having taken weekly mefloquine during and after the trip to Africa. INVESTIGATIONS: Labortory evaluation revealed a hemoltytic anemia (hemoglobin: 10...
October 2015: Deutsche Medizinische Wochenschrift
Mohmed I Seleem, Amr Abdelraouf, Shawkat S Gerges, Sherif B M Taha, Hossam E Elshafey, Ashraf Elkhouly
Laparoscopic assisted percutaneous radiofrequency ablation (LAPRFA) for hepatocellular carcinoma (HCC) under guidance of intra-operative laparoscopic ultrasound (IOLUS) is a new modality for obtaining additional assessment of the liver situation, better tumor staging and effective treatment for the hepatic focal lesion (HFL), in patients with a difficult percutaneous approach. Between September 2010 and July 2014, 1150 patients with HCC on top of liver cirrhosis were referred to HCC clinic (MDT clinic) at National Hepatology and Tropical Medicine Research Institute (NHTMRI)...
August 2015: Journal of the Egyptian Society of Parasitology
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