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Yi M Jankov RP Belcastro R Humes D Copland I Shek S Sweezey NB Post M Albertine KH Auten RL Tanswell AK 《American journal of respiratory and critical care medicine》2004,170(11):1188-1196
The lungs of newborn rats exposed to 60% oxygen for 14 days develop an injury that shares morphologic similarities to human bronchopulmonary dysplasia (BPD). Neutrophil influx into the lung, as part of an inflammatory response, may play a pivotal role in the development of BPD. A neutrophil chemokine, cytokine-induced neutrophil chemoattractant-1, which signals through the neutrophil CXC chemokine receptor-2, is increased in the lung tissue of newborn rats exposed to 60% oxygen. The purpose of this study was to explore the role of neutrophils in the rat model of BPD by inhibiting neutrophil influx using SB265610, a selective CXC chemokine receptor-2 antagonist. SB265610, administered to 60% oxygen-exposed newborn rats from birth to 14 days, completely inhibited neutrophil influx. It also attenuated increased production of reactive oxygen species in newborn rat lung tissue after exposure to 60% oxygen for 4 days. Lung morphometric analysis revealed that 60% oxygen for 14 days, when accompanied by treatment with SB265610 to prevent neutrophil accumulation, increased alveolar formation over that seen in newborn rats exposed to air. These data suggest that exposure of the neonatal lung to moderate hyperoxia may enhance postnatal lung growth, provided postnatal pulmonary inflammation is suppressed. 相似文献
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B Chattopadhyay A Chatterjee A Maiti NB Debnath 《Journal of postgraduate medicine》2015,61(2):129-130
Acute lupus pneumonitis is a rare initial presentation of systemic lupus erythematosus (SLE). We report a 19-year-old female presenting with fever and recurrent hemoptysis with radiological evidence of parenchymal lung involvement with mild pleural effusion. Subsequent development of malar and discoid rash with anti-nuclear antibodies (ANA) and anti-dsDNA positivity clinched the diagnosis. Her clinical signs and symptoms resolved with a course of intravenous pulse methyl-prednisolone along with radiological resolution.KEY WORDS: Acute lupus pneumonitis, hemoptysis, systemic lupus erythematosus 相似文献
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Spinal Cord injury cases are being managed in Base Hospital Delhi Cantt since Oct. 97. 27 cases of thoracolumbar injuries were admitted in this hospital during the period Oct 97 to Aug 99. 20 patients underwent surgical treatment (9 thoracic and 11 lumbar) and 7 were treated conservatively. All these operations were done within 3 weeks following trauma, and methylprednisolone therapy was instituted in those who reached the hospital early. Contraindications to surgery included stable fracture, bed sores, any focus of sepsis and generalized bone disorders. Transpedicular fixation with Dyna-lok system was done in 10 cases, universal spinal system was applied in 6 cases and Harrington instrumentation was carried out in 4 cases. Decompression laminectomy was done in all cases. Patients with incomplete cord injury showed neurological improvement and early rehabilitation was possible after surgery.KEY WORDS: Harrington instrumentation, Pedicle screw and plate, Spine trauma, Thoracolumbar fractures 相似文献
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Purpose: It has been suggested that cognitive impairment may occur following transurethral resection of the prostate (TURP) operations due to the effects of anaesthesia or hyponatraemia or both. The aim of the study was to investigate whether TURP was associated with long-term memory complaints or cognitive impairment. Method: Patients who had received a TURP or transurethral resection of a bladder tumour (TURT) in the previous 10 months were sent a questionnaire on memory problems and mood. Seventy-six TURP patients and 38 TURT patients returned the completed questionnaires. A sample of each patient group (30 TURP, 29 TURT) was assessed on standardized tests of cognitive abilities. Results: There was no significant difference between the TURP and TURT patients on the Everyday Memory Questionnaire completed by themselves or by a family member (p?>?0.05). On formal cognitive testing there were no significant differences between the groups, except on the overall grading of the Kendrick Assessment Scales of Cognitive Ageing, in which TURP patients performed at a significantly lower level than TURT patients. Conclusions: The results suggest that patients are no more likely to complain of memory problems following a TURP than with any other operative procedure. There was a slight difference in cognitive abilities but this did not indicate significant impairment of cognitive function. 相似文献
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