نتایج جستجو برای: nature of obstruction
تعداد نتایج: 21177592 فیلتر نتایج به سال:
background: the evaluation of prosthetic valves is very difficult with two-dimensional transthoracic echocardiography alone. doppler and color flow imaging as well as transesophageal echocardiography are more reliable to detect prosthetic valve dysfunction. however, doppler study sometimes tends to be misleading due to the load-depending characteristics of peak and mean pressure gradients. the ...
objective: to determine the epidemiological, clinical, laboratory characteristics as well as outcome of 411 patients with bowel obstruction in southern iran. methods: this was a cross-sectional study being performed in shahid faghihi hospital of shiraz between 2006 and 2012. we reviewed the medical charts of the 411 patients with initial diagnosis of bowel obstruction who were admitted to our c...
Inflammatory myofibroblastic tumours (IMTs) of the duodenum and head of the pancreas are rare. They are of probable immunological aetiology and preoperatively indistinguishable from adenocarcinomas of the pancreatic head. We describe a patient with duodenal IMT and gastric outlet obstruction, and present a review of pancreatic head and duodenal IMTs in the literature. IMTs of the pancreatic hea...
Background: Infertility is a common complaint today with many causes in men and women. Tubal factor is one of the most important causes among females. Tubal disorders with a prevalence of over 14% are the most common complications of pelvic inflammation and infection incidence in women. Case Presentation: A 28-year-old female patient, married for 5 years ...
superior vena cava (svc) syndrome is not an uncommon occurrence in patients with malignancy and it is often described as a medical emergency. in majority of the cases, svc syndrome occurs due to mechanical obstruction of the svc by extraluminal compression with primary intrathoracic malignancies. however, intraluminal obstruction due to thrombosis can also produce symptoms and signs of svc synd...
congenital nasolacrimal duct obstruction (cnldo) is a common disease in children. the classic treatment of cnldo is probing that was done around one year old. however, controversy exists regarding the outcome of probing in children older than one year. this study aimed to find the cure rate of initial probing for cnldo and identify factors producing the failure rate in old age. in this retrospe...
introduction: neonatal nasal airway obstruction induces various degrees of respiratory distress. the management of this disease, including surgical repair, will depend on the severity and location of the obstruction. we describe here a case of congenital nasal nostril stenosis that required surgical repair for stenting of both nares after coanal atresia repair. case report: a 2 days old femal...
1. Data are presented which show that anhydremia does not play a leading rôle in the causation of symptoms in intestinal obstruction. 2. Chemical changes in the blood corresponding with those noted by previous investigators were observed. 3. Additional data regarding the chemistry of the toxin found in the obstructed intestine of dogs were obtained.
Obstructive anuria is defined by the absence or defective excretion of less than 200 ml of urine in 24 hours, due to an acute obstruction of the upper urinary tract [1]. Obstruction can occurs bilaterally or in anatomical or functional single kidney [2]. This situation requires early diagnosis and urgent care to prevent metabolic disorders [3]. The purpose of this study is to investigate the ep...
Nowadays, because of their innovative and scholarly nature, the scientific-research articles are taken into account as the best and sometimes the only judging criterion of their authors and scientific community. Therefore, all those who work in the academic fields and are working as A.M. and doctorate students or teachers are required to test their proficiency and to show that they are qualifie...
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