Chilaiditi's sign possibly associated with malposition of chest tube placement.
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Although diaphragmatic paralysis is a rare recognized complication of chest tube malposition, Chilaiditi's sign occurring as a result of this complication has never been reported in literature to the best of our knowledge. We describe one such case, which had an interesting clinical sequence of events and radiographic findings and suggest that the medial end of the chest tube should be positioned at least 2 cm from the mediastinum on the frontal chest radiograph to avoid these complications. (+info)
Effect of local anaesthetic volume (20 vs 5 ml) on the efficacy and respiratory consequences of ultrasound-guided interscalene brachial plexus block.
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Reversible respiratory failure due to rhabdomyolysis associated with cytomegalovirus infection.
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A 58-year-old woman presented with muscle weakness, whole body myalgia, and dyspnea. On admission, neurological examination showed proximal muscle weakness in the extremities. The weakness gradually extended to the bulbar and respiratory muscles, necessitating an artificial ventilator. Serum CK level was markedly increased (33,774 IU/L; normal <150 IU/L) and myoglobinuria was noted in urinalysis. There was no sign of renal failure. Nerve conduction study was normal, but needle EMG showed myopathic changes in the weak muscles. Serological studies for virus titers showed more than a four-fold increase of cytomegalovirus (CMV) antibody titer during the disease course. The IgM anti-GM2 antibody was also elevated in the acute phase and decreased in the recovery phase. The muscle weakness and respiratory failure gradually improved after intravenous methylprednisolone administration, and the serum CK level was normalized in several days. CMV infection was thought to have played a central role in the rhabdomyolysis, leading to critical but reversible respiratory muscle paralysis. (+info)
Non-invasive positive pressure ventilation for bilateral diaphragm paralysis after pediatric cardiac surgery.
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Diaphragmatic paralysis: a clinical imitator of cardiorespiratory diseases.
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Diaphragmatic paralysis has a predictable effect on lung function. However, the symptoms depend on the preexisting heart-lung diseases and may mimic various cardiorespiratory processes. We describe the presentation in six patients. In a fit man, unilateral diaphragmatic paralysis caused dyspnea only at strenuous exercise. In a patient with emphysema it caused dyspnea mainly when carrying light weights. In another patient with emphysema it caused life-threatening hypoxemia simulating parenchymal lung disease. A patient with mild chronic obstructive lung disease and nocturnal wheezing following the onset of ULDP was believed for 15 years to have asthma. A patient with bilateral diaphragmatic weakness had severe choking sensation only in the supine position, simulating upper airway obstruction or heart failure. Afemale patient suffered nocturnal sweating due to ULDP. The clinical manifestations of diaphragmatic paralysis vary and can mimic a wide range of cardiorespiratory diseases. (+info)
Pressure support ventilation attenuates ventilator-induced protein modifications in the diaphragm.
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An unusual complication of dengue infection.
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We present an unusual complication of dengue infection resulting in postviral phrenic neuropathy and diaphragmatic paralysis in a 34-year-old man. There is a paucity of literature on this condition, with postviral neuropathies previously reported to be associated commonly with herpes zoster, poliovirus, and rarely, West Nile virus and human immunodeficiency virus infections. To our knowledge, this is the first reported case of flavivirus causing isolated postviral phrenic neuropathy and diaphragmatic paralysis. (+info)