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 11,717 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

An 81-year-old man complained with increasing dyspnoea and asthenia few months after a successful double mitral and tricuspid valvuloplasty intervention. The echocardiogram revealed a partial detachment of the mitral annuloplasty ring due to dehiscence determining a severe regurgitation. Curiously, at Color-Doppler analysis of mitral inflow, the prolapse of the detached ring produced a fascinating circular line inside the regurgitation signal, mimicking the shape of a gemstone ring. We described a case of a relatively uncommon cause of late mitral valvuloplasty failure characterized by a really unusual echocardiographic finding.
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PMID:Late mitral annuloplasty failure: the loss of the ring. 1641 26

Sarcoidosis is a multisystemic granulomatous disease of unknown etiology which affects most frequently the hilar lymph nodes and lungs. Symptomatic involvement of the central nervous system may develop in patients diagnosed with sarcoidosis or it may be the initial manifestation of the disease. This is a case report of 48-year old female patient admitted to our clinic for evaluation of working ability. The patient had a total of 24 years of service and occupational exposure and she has been employed as supplies procurement officer. On admission, she complained of the following discomforts: eye-lid pain, intellectual fatigue, psychic uneasiness, forgetfulness, dyspnea and productive cough. Neurological findings indicated the presence of the right eye ophthalmoplegia, psychoorganic syndrome and neurosarcoidosis. Ophthalmological examination evidenced bilateral ptosis and presence of anisocoria. Magnetic resonance imaging revealed discrete focal lesions of the pons (paracentral left) and parietal corona radiata of the left hemisphere. Based on performed examinations and diagnostics procedures, final evaluation of patient's working ability concluded that the patient was not capable of psychic strains and jobs associated with material accountability.
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PMID:[Work ability evaluation in neurosarcoidosis--a case report]. 1697 13

A 79-year-old man, who had sustained nonpenetrating chest trauma 1 month previously, was admitted for dyspnea. Echocardiography demonstrated prolapse of the noncoronary aortic cusp with severe regurgitation. Aortography showed no intimal flap in the ascending aorta. Coronary arteriography showed dissection extending from the left main trunk to the proximal circumflex artery. At surgery, no abnormalities were found in the aortic wall or around the left coronary ostium. Avulsion of the commissure between the right coronary cusp and the noncoronary cusp from its aortic wall attachment was detected. Aortic valve replacement and coronary artery bypass grafting were performed.
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PMID:Concomitant traumatic aortic valve and coronary artery injury. 1718 83

Cardiac tumors other than myxomas are rare. We report a series of 10 intracavitary polypoid myofibroblastic proliferations in children and young adults emphasizing gross, histologic, and clinical features. There were 6 females and 4 males, with a mean age of 10 years (range 5 wk to 21 y). All lesions were endocardial-based, located in the right atrium (1), right ventricular inflow/tricuspid valve (1), right ventricular outflow (3), mitral valve (3), aortic valve/left coronary sinus (1), and left ventricular free wall (1). Symptoms included shortness of breath or dyspnea (3), syncope (2), chest pain (1), transient ischemic attacks (1), and fever with myalgias (1). All tumors were surgical resections, except 1 tumor that resulted in sudden coronary death and that was diagnosed at autopsy, and 1 tumor that embolized into the coronary artery and was treated by cardiac transplant. Two tumors, present in the aortic and mitral valves, respectively, caused cardiac ischemia. The tumors were polypoid or filiform and histologically resembled inflammatory myofibroblastic tumors of extracardiac sites, with loose spindle cell growth with sparse inflammation. Although there were frequent collagen bundles interspersed among the tumor cells, there were no large areas of dense fibrosis. Surface fibrin was present on the polypoid projections in 7 cases. Symptoms resulted from prolapse into coronary ostia or embolization, but no patient developed metastasis. Long-term follow-up in 2 patients demonstrated no evidence of disease or recurrence. Although metastatic potential was not identified, these tumors may result in serious symptoms, including myocardial infarct, syncope, and sudden death. These cardiac myofibroblastic tumors are readily distinguished from other endocardial-based cardiac tumors, including papillary fibroelastoma and myxoma, which may present clinically in the same manner.
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PMID:Cardiac inflammatory myofibroblastic tumor: a "benign" neoplasm that may result in syncope, myocardial infarction, and sudden death. 1759 79

We studied the effect of peripheral opioid receptor antagonist methylnaloxone on the development of withdrawal syndrome in morphine-dependent rats. Intraperitoneal injections of methylnaloxone iodide in a daily dose of 2 mg/kg over 3 days after morphine withdrawal reduced the severity of withdrawal symptoms. The mean total score of withdrawal syndrome in treated rats (3.20 +/- 0.13) was 2-fold lower compared to the control, mainly due to less pronounced wet dog shake behavior, limb and head shakes, dyspnea, ptosis, and teeth chattering. Methylnaloxone iodide in the specified dose had no effect on such symptoms of withdrawal syndrome as diarrhea and writhing. Our results indicate that modulation of the peripheral opioid system can reduce the severity of opioid withdrawal syndrome. Methylnaloxone-induced variations in the function of peripheral opioid receptors are probably accompanied by changes in the central nervous system, which prevents the development of withdrawal syndrome.
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PMID:Methylnaloxone suppresses the development of withdrawal syndrome in morphine-dependent rats. 1823 81

Glycogen storage disease type Ib (GSD Ib, OMIM 232220) is an inborn disorder of glucose metabolism, caused by mutations in the G6PT gene, encoding a glucose 6-phosphate transporter (G6PT). GSD Ib is mainly associated with fasting hypoglycaemia and hepatomegaly. Most GSD Ib patients also show neutropenia and neutrophil dysfunction and therefore are at risk of developing severe infections and inflammatory bowel disease (IBD). An increased risk for autoimmune disorders, such as thyroid autoimmunity and Crohn-like disease, has also been demonstrated, but no systematic study on the prevalence of autoimmune disorders in GSD Ib patients has ever been performed. We describe a 25-year-old patient affected by GSD Ib who developed 'seronegative' myasthenia gravis (MG), presenting with bilateral eyelid ptosis, diplopia, dysarthria, severe dysphagia, dyspnoea and fatigue. The repetitive stimulation of peripheral nerves test showed signs of exhaustion of neuromuscular transmission, particularly evident in the cranial area. Even in the absence of identifiable anti-acetylcholine receptor antibodies, seronegative MG is considered an autoimmune disorder and may be related to the disturbed immune function observed in GSD Ib patients.
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PMID:Myasthenia gravis in a patient affected by glycogen storage disease type Ib: a further manifestation of an increased risk for autoimmune disorders? 1843 26

A 32-year-old male was admitted with dyspnea Severe dyspnea and hypoxemia developed the next day and blood examination indicated acute myocardial infarction. Echocardiogram revealed massive mitral regurgitation with prolapse of the anterior mitral leaflet due to rupture in the papillary muscle. Percutaneous coronary intervention for total occlusion in the right coronary artery was successfully performed, but progressive heart failure continued to develop. Surgery for the papillary muscle rupture was performed on the 3rd day. Complete head rupture of the anterior papillary muscle was found and the mitral valve was replaced with a prosthetic valve (St. Jude Medical valve: #31). Pathological findings showed necrosis in the papillary muscle with inflammatory changes. The postoperative course was uneventful and the patient was discharged on the 43rd day after surgery.
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PMID:[Successful emergency surgery for acute mitral regurgitation due to total rupture in the anterior papillary muscle after acute myocardial infarction; report of a case]. 1853 1

Ten horses presented with severe distortion of the facial contour, crepitus on palpation and mild to moderate epistaxis. Individual horses also showed ocular damage, ptosis, severe dyspnoea and movement of the facial bones concurrent with respiration. The fracture fragments were exposed using a large curvilinear incision and elevated using a retractor, periosteal elevator, chisel or Steinmann pin. The fracture fragments were unstable following reduction and fixation was necessary. Stabilisation was achieved with polydioxanone sutures placed through holes drilled in opposing sides of the fracture lines. Polydioxanone sutures provided good stability and had better handling properties than wire. There was good apposition of fracture edges and minimal complications. Use of polydioxanone sutures can also avoid the expense and complexity of plate fixation in selected cases, and should be considered as an alternative to fixation with stainless steel wire in any facial fracture that adjoins stable bone.
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PMID:Management of equine skull fractures using fixation with polydioxanone sutures. 1907 71

Snakebite is an environmental hazard associated with significant morbidity and mortality. We report a case series of venomous snakebites in a military operational area of north India. Of 33 cases of snake bites presenting to the military hospital, 21 patients were envenomated. The median age of patients was 24 years; all were men. All of the envenomations were neurotoxic in nature. Abdominal pain (91%), headache (86%), dysphagia (86%), ptosis (77%), diplopia (72%), blurred vision (72%), dyspnea (67%), and vomiting (62%) were the predominant clinical presentation. Polyvalent AntiSnakeVenom (ASV) [mean 180 ml; range 90-320 ml] was given to all patients with systemic manifestations, and repeated as needed. Eleven (52%) patients received neostigmine with glycopyrrolate to counter cholinergic effects. Two patients were given ventilatory support. The average time of recovery from envenomation was 16 hours after administration of ASV. All patients recovered without sequelae. Soldiers during military exercise are vulnerable to snakebites. Neurotoxic snakebites predominate in our study and usually present with autonomic features along with headache, abdominal pain, ptosis, diplopia and dysphasia. Preventive measures to minimize snake bites and planned treatment regimens should be emphasized among medical and military personnel deployed in the field operations.
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PMID:Clinical profile of venomous snake bites in north Indian Military Hospital. 1956 85

A 10-year-old boy with unilateral ophthalmoplegia, ptosis, and proptosis underwent diagnostic examination. Symptoms of headache, nausea, dyspnea, fatigue, weakness, and loss of appetite began 14 days after the onset of ocular manifestations and 7 days before he was examined. Complete blood count showed an increased white blood cell count with 64% blast cells, anemia, and thrombocytopenia. The patient was transferred to a pediatric hematology unit, where he underwent bone marrow aspiration biopsy. Bilateral ocular inflammatory findings and left-sided mild proptosis became evident. He was diagnosed as having B-cell non-Hodgkin lymphoma infiltrating the bilateral cavernous and sphenoid sinuses.
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PMID:Cavernous sinus syndrome as the initial presentation of childhood non-hodgkin lymphoma. 1964 4


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