1.Neonatal Seizures: An Epileptological Point of View.
Journal of the Korean Child Neurology Society 1997;5(1):177-179
Neonatal seizures are only a manifestation of a variety of organic, metabolic or functional disorders of the neonatal brain. Most are caused by acute brain insults such as perinatal hypoxic-ischemic encephalopathy, intracranial hemorrhage or CNS infections. Recent years have witnessed a remarkable reduction of simple hypocalcemia, resulting in a relative increase of hypoxic-ischemic encephalopathy. These acute symptomatic seizures are different from epilepsy, a chronic seizure disorder. Most previous studies concerning seizure manifestations of the newborn have dealt with all types of neonatal seizures together, regardless of etiology. It is true that seizures in the neonate pose unique diagnostic and therapeutic problems because of the immaturity of the neonatal brain, but it is not appropriate to study seizure types in the newborn on the basis of acute symptomatic seizures such as those occurring in hypoxic-ischemic encephalopathy in which acute brain swelling or neuronal necrosis may obscure the unique developmental state of the neonatal brain. No one would attempt to classify the seizure types in older children with acute encephalitis and epilepsy together. Such acute symptomatic neonatal seizures should be excluded from the classification of epileptic seizures and syndromes, although they may evolve into symptomatic epilepsy later as a sequel. The current International Classification of Epilepsies and Epileptic Syndromes lists five epileptic syndromes in which neonatal seizures are a major manifestation; benign familial neonatal convulsions(BFNC), benign neonatal convulsion(BNC), early infantile epileptic encephalopathy with suppression-burst(EIEE), early myoclonic enecphalopathy(EME), and neonatal seizures. BFNC and BNC are categorized in idiopathic generalized epilepsies according to the International Classification. BFNC are described as being associated with clonic or apneic seizures, although the ictal EEGs of these seizures have been well documented in only a small number of cases. Seizure types reported to date were partial or generalized. Three of four patients in whom we were able to record ictal EEGs displayed definite partial seizures. One diagnosed as haying generalized seizures did not show typical electroclinical features of generalized tonic-clonic convulsions.
Brain
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Brain Edema
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Child
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Classification
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Electroencephalography
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Encephalitis
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Epilepsy
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Epilepsy, Generalized
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Humans
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Hypocalcemia
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Hypoxia-Ischemia, Brain
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Infant, Newborn
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Intracranial Hemorrhages
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Necrosis
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Neurons
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Seizures*
2.Similarities between change of body fat with age and physical fitness and motor ability development derived from mutual correlation function-Analysis on boys during school age-
Takaaki Mishima ; Katsunori Fujii ; Eiji Watanabe ; Kazuyoshi Seki
Japanese Journal of Physical Fitness and Sports Medicine 2012;61(2):201-210
The relationship between body fat growth and physical fitness and motor ability development in school age children is not well understood. We determined the similarities and differences in body fat growth and physical fitness and motor ability development curves by applying cross correlation functions, and attempted to show the structure of growth and development between these attributes. The subjects were 647 boys aged 7 to 15 years. The measurements were height, weight, body mass index and body fat percentage as physical characters; and 20-m sprint, Pro Agility test, side steps, standing long jump, vertical jump, and rebound jump (RJ) index as physical fitness and motor ability. The wavelet interpolation method was applied to growth and distance values for physique, body fat and physical fitness and motor ability, and growth and development curves were derived. Cross correlation functions were then applied to the respective pairs of the compared velocity curves. There were large changes in the behavior of the growth velocity curve around the take off age for height, and so the relationship between body fat percentage and physical fitness and motor ability was investigated using the respective cross correlation functions around the take off age. Before the take off age, positive correlations were seen between body fat percentage and physical fitness and physical fitness and motor ability except for the RJ index. After the take off age, in contrast, there were negative correlations between body fat percentage and physical fitness and motor ability except for the RJ index. These results show the new finding that after the take off age in boys, there are contrary similarity between body fat and speed, agility, and instantaneous force.
4.Surgical Treatment for Acute Pulmonary Embolism
Keiichi Ishida ; Hideki Ueda ; Hiroki Kohno ; Yusaku Tamura ; Michiko Watanabe ; Shinichiro Abe ; Kazuyoshi Fukazawa ; Yuichi Inage ; Masahisa Masuda ; Goro Matsumiya
Japanese Journal of Cardiovascular Surgery 2015;44(5):249-255
Background : Acute massive pulmonary embolism is a life-threatening disease. It is often treated with thrombolytic therapy, however, the mortality rates are unsatisfactorily high in patients who developed shock and subsequent cardiac arrest. Surgical pulmonary embolectomy is a last resort for patients with hemodynamic instability. We studied the outcomes of our patients who underwent pulmonary embolectomy for acute pulmonary embolism. Methods : Eight patients who underwent pulmonary embolectomy between January 2011 and December 2014 were studied. Our surgical indications were as follows. Patients who experienced cardiac arrest and treated with PCPS, and those in persistent vital shock, with contraindications of thrombolytic therapy, or with right heart floating thrombus. However, patients with ischemic encephalopathy or acute exacerbation of chronic thromboembolic pulmonary hypertension, and those who had already been treated with thrombolytic therapy were excluded. Preoperative ECMO was indicated for those in sustained shock. Pulmonary embolectomy was performed through median sternotomy and with cardiopulmonary bypass. After antegrade cardiac arrest, all clots were removed with forceps under direct vision through incisions in the bilateral main pulmonary arteries. IVC filter (Günther Tulip) was placed through the right atrial appendage. In our early cases, IVC filter (Neuhaus Protect) was placed after chest closure. Anticoagulation was not administered until hemostasis was achieved. Results : Seven patients underwent pulmonary embolectomy for massive pulmonary embolism, and in one patient pulmonary embolectomy was indicated for right heart floating thrombi although the pulmonary embolism was submassive. Three patients underwent cardiopulmonary resuscitation and were treated with ECMO. Other 3 patients in sustained shock vital were electively treated with ECMO. The other patient developed cardiopulmonary arrest shortly after anesthetic induction and intubation, and suffered disturbance of consciousness postoperatively. All patients were successfully weaned from cardiopulmonary bypass and underwent IVC filter placement (5 Neuhaus Protect, and 3 GProtec Tulip). One patient died due to a vascular complication associated with catheter insertion (retroperitoneal hematoma). No patients developed residual pulmonary hypertension. There were postoperative complications including pneumonia in 5 patients, tracheostomy in 2 patients, atrial fibrillation in 3 patients, and pericardial effusion in 1 patient. One patient who suffered disturbance of consciousness died 2.4 months after the surgery. Other patients had not developed any thrombotic and hemorrhagic complications during a median follow-up of 13.1 months. Conclusions : Pulmonary embolectomy is an effective treatment of acute massive pulmonary embolism. We believe that our strategy is useful, consisting of preoperative hemodynamic stability by an institution of ECMO, complete removal of clots by bilateral main pulmonary incisions, and prevention of recurrence by IVC filter placement.
5.Spinal Metastasis from Struma Ovarii: Case Report and Review of the Literature.
Kazuyoshi KOBAYASHI ; Shiro IMAGAMA ; Shin TSUNEKAWA ; Kaori HOSOKAWA ; Minemori WATANABE ; Zenya ITO ; Kei ANDO ; Naoki ISHIGURO
Asian Spine Journal 2015;9(2):281-285
Struma ovarii is a rare tumor that is defined as an ovarian teratoma with a thyroid tissue component exceeding 50%. Most of these tumors are benign, with malignant struma ovarii occurring in <1% of patients. Here, we describe the case of a 49-year-old female patient with malignant struma ovarii who developed thoracic spine metastasis. She had undergone an oophorectomy and was diagnosed with struma ovarii 10 years previously. She had remained recurrence-free thereafter. At 49 years of age, she developed low back pain and was admitted to our hospital for evaluation of a spinal tumor at the Th7 level. An emergency bone biopsy led to a diagnosis of metastasis from malignant struma ovarii. External beam radiotherapy inhibited further tumor growth and there was no resulting muscle weakness. This is the first report of spinal metastasis occurring 10 years after resection of struma ovarii, indicating the need for long-term follow-up.
Biopsy
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Diagnosis
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Emergencies
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Female
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Humans
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Low Back Pain
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Middle Aged
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Muscle Weakness
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Neoplasm Metastasis*
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Ovariectomy
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Radiotherapy
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Recurrence
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Spinal Neoplasms
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Spine
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Struma Ovarii*
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Teratoma
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Thyroid Gland