RESUMO
PURPOSE: Cervical traumatic spinal cord-injured patients often way require both anterior cervical spine stabilization and tracheostomy in the first few days after the injury. The infectious complication of tracheostomy can interfere with the evolution of the fixation surgery. The aim of our study was to evaluate the safety of tracheostomy performed early after anterior cervical spine stabilization. MATERIALS AND METHODS: We reviewed the clinical records of 28 patients admitted to our hospital intensive care unit. In all cases, percutaneous tracheostomy was performed using the percutaneous dilation technique. RESULTS: The average time interval between the fixation surgery and tracheostomy was 8.25 ± 5.57 days. We had complications in tracheostomy in only 3 cases: minor bleeding occurred in 1 patient and stomal infection, not propagated to the fixation surgery wound, was observed in 2 patients. Two patients died without causal relation to these interventions. CONCLUSIONS: The early performance of tracheostomy after cervical spinal fixation surgery is safe, still realized early and nearly this, at least if the tracheostomy is performed by percutaneous method.
Assuntos
Vértebras Cervicais/lesões , Fixação Interna de Fraturas , Insuficiência Respiratória/etiologia , Fraturas da Coluna Vertebral/cirurgia , Traqueostomia/efeitos adversos , Adulto , Idoso , Vértebras Cervicais/cirurgia , Feminino , Seguimentos , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Estudos Prospectivos , Insuficiência Respiratória/epidemiologia , Espanha/epidemiologia , Fraturas da Coluna Vertebral/diagnóstico , Taxa de Sobrevida , Traqueostomia/métodos , Índices de Gravidade do Trauma , Adulto JovemRESUMO
Acute mountain sickness is a common discomfort experienced by unacclimatized persons on ascent to high altitude. We tested the hypothesis that exposure to high altitude affects cortical excitability using transcranial magnetic stimulation. We specifically analyzed the motor cortex excitability in normal subjects at high altitude and in a control condition near sea level. Mean resting motor threshold (RMT) was significantly higher at high altitude than at sea level (69.3 +/- 10.4 versus 56.3 +/- 10.9%; P = 0.042). Mean short intracortical inhibition (SICI) was significantly lower at high altitude than at sea level (percentage of test motor-evoked potential = 79.3 +/- 19.8 versus 28.7 +/- 17.5%; P = 0.0004). Symptoms of acute mountain sickness correlated with resting motor threshold changes induced by high altitude (R 2 = 0.53, P = 0.037). SaO2 correlated with SICI changes induced by high altitude (R 2 = 0.45, P = 0.036). We suggest that high altitude deeply changes cortical excitability by affecting both inhibitory and excitatory circuits and that this is reflected in acute mountain sickness symptoms.
