The purpose of this study was to investigate the gaps of bone-acetabular component interface, the initial mechanical stability and the effects of adjuvant screw fixation in the press-fitted two different shaped porous-coated acetabular components. Semi-hemispherical Harris-Galante II cup and full hemispherical Trilogy cup were press-fitted with or without adjuvant screw fixation in 40 bovine femur. The gaps of bone-implant interface were measured in each radiography of all specimen and axial compression tests and rotational stability tests were performed using servohydraulic tension-compression machine. There was significantly smaller gap at polar 1/3 region in the specimen implanted with Trilogy cup. But the adjuvant screw fixation did not affect the amount of gap. There was no significant statistical difference in axial load and rotational stability test in each situations of fixation. This study demonstrates that the initial mechanical stability is not influenced by the shape of semi-hemispherical Harris-Galante II cup and full hemispherical Trilogy cup and also independent of adjuvant screw fixation. But smaller gap of Trilogy cup at the polar 1/3 region indicates the possibility that less amout of wear debris of polyethylene or metal will be deposited and therefore less osteolysis or cup loosening will occur, but this hypothesis should be confirmed by the long-term clinical follow-up.
Acetabulum* ; Arthroplasty, Replacement, Hip* ; Femur ; Follow-Up Studies ; Osteolysis ; Polyethylene ; Radiography

No abstract available.

No abstract available.
Pulmonary Artery*

No abstract available.
Hematocrit ; Mucocutaneous Lymph Node Syndrome*

No abstract available.
Lymphoma, Non-Hodgkin*

No abstract available.
Humans ; In Situ Hybridization, Fluorescence* ; Infant, Newborn*

OBJECTIVE: Gait pattern in patients with lumbar degenerative kyphosis (LDK) is disturbed because trunk bends forward due to decreased lumbar lordosis. Surgical therapy in LDK is required when conservative management fails. We investigated kinematic and kinetic changes of the pelvis, hip, and knee joints on the sagittal plane in patients with LDK before and after operation. METHOD: Fifteen patients underwent operations between March 1999 and September 2003. Gait analysis was performed for all patients. RESULTS: Total lumbar lordotic angle increased from 10.50 degrees +/-11.22 degrees to 26.71 degrees +/-8.80 degrees postoperation. In gait analysis, anterior pelvic tilting angle increased from maximum 7.86 degrees +/-9.69 degrees, minimum 4.40 degrees +/-9.82 degrees to maximum 12.61 degrees +/-5.36 degrees, minimum 9.68 degrees +/-5.63 degrees (p<0.05). Maximum hip flexion angle changed from 31.39 degrees +/-11.71 degrees to 35.83 degrees +/-5.84 degrees (p<0.05). Maximum knee flexion angle in terminal stance phase decreased from 13.32 degrees +/-7.34 degrees to 8.30 degrees +/-6.38 degrees (p<0.05). CONCLUSION: After corrective operation, an increase of lumbar spine lordosis and anterior pelvic tilt with decrease of knee flexion were observed. However, an increase of maximum hip flexion secondary to increased anterior pelvic tilting influenced ambulation negatively. Therefore, stretching of the hip flexor and strengthening of the hip extensor are required before and after operation.
Animals ; Decompression Sickness ; Gait ; Hip ; Humans ; Knee ; Knee Joint ; Kyphosis* ; Lordosis ; Lower Extremity* ; Pelvis* ; Spine ; Walking

Endobronchial lipoma is a rare, benign neoplasm of the large bronchi, which makes up about 0.1 percent of all lung tumors. It can produce irreversible parenchymal lung damage or bronchiectasis if diagnosis and treatment are delayed. The treatment of endobronchial lipoma is early removal and surgical procedures depend on the status of distal parenchymal lung damage. We experienced a case of endobronchial lipoma in 53 year-old female patient, which caused total collapse of left lung and save left lung by enucleation of tumor via bronchotomy.
Bronchi ; Bronchiectasis ; Diagnosis ; Female ; Humans ; Lipoma* ; Lung* ; Middle Aged ; Pulmonary Atelectasis*

Malignant transformation of mature cystic teratoma (MCT) is an uncommon complication occuring in approximately 1-3%. Any of the constituent tissues of a teratoma has the potential to undergo malignant transformation; squamous cell carcinoma is the most commonly associated cancer, however, adenocarcinomas or carcinoid tumors arising in mature cystic teratoma are uncommon, especially simultaneously. We present an unusual case of postmenopausal women having mucinous adenocarcinoma and strumal carcinoid tumor simultaneously arising in one of bilateral mature cystic teratoma of the ovary. We suggest malignant transformation of MCT should be treated according to the management of the worst histologic diagnosis of the transformations if there are 2 or more malignancies are arised in MCT of the ovary.
Adenocarcinoma ; Adenocarcinoma, Mucinous* ; Carcinoid Tumor* ; Carcinoma, Squamous Cell ; Cystadenocarcinoma, Mucinous ; Diagnosis ; Female ; Humans ; Mucins* ; Ovary* ; Teratoma*

BACKGROUND: Although acute tolerance to opioids, especially to remifentanil, has been demonstrated consistently in animal studies, the results of clinical trials in humans are controversial. The aim of this study was to determine whether intraoperative infusions of remifentanil used as an adjuvant in general anesthesia result in acute tolerance, an event manifested by increased postoperative pain and a higher opioid requirement than usual. METHODS: Sixty patients who underwent surgery under general anesthesia for spinal fusion were randomly assigned to receive sevoflurane-nitrous oxide-oxygen (group SO, n = 20), sevoflurane-remifentanil-nitrous oxide-oxygen (group SR, n = 20), or propofol-remifentanil-oxygen (group PR, n = 20) in a double-blinded manner. All patients within 1 hour after induction received PCA (fentanyl 0.4 microg/kg/ml and ondansetron 16 mg) administered intravenously at a basal infusion rate of 1 ml/h, after being intravenously injected with a loading dose of fentanyl (1 microg/kg). Data for fentanyl requirement, verbal Numerical Rating Scale (NRS) pain score at rest, and presence of nausea or vomiting were collected at 1, 24, and 48 hours after surgery. RESULTS: We did not find any significant difference in postoperative PCA fentanyl requirements, NRS or side effects among the groups. CONCLUSIONS: Remifentanil as an adjuvant to sevoflurane or propofol in general anesthesia for adults having surgery for spinal fusion does not appear to cause acute opioid tolerance or hyperalgesia in patients. However, further studies are needed to elucidate whether sevoflurane and propofol exert a clinically significant effect on opioid-induced tolerance or hyperalgesia and whether this effect is related to the age of the patient, the dose and duration of remifentanil given and the intensity of pain experienced postoperatively.
Adult ; Analgesia, Patient-Controlled ; Analgesics, Opioid ; Anesthesia, General ; Animals ; Fentanyl ; Humans ; Hyperalgesia ; Methyl Ethers ; Nausea ; Ondansetron ; Pain, Postoperative ; Passive Cutaneous Anaphylaxis ; Piperidines ; Propofol ; Spinal Fusion ; Vomiting