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  • Title: Treatment of alveolar hypoventilation in a six-year-old girl with intermittent positive pressure ventilation through a nose mask.
    Author: Ellis ER, McCauley VB, Mellis C, Sullivan CE.
    Journal: Am Rev Respir Dis; 1987 Jul; 136(1):188-91. PubMed ID: 3300441.
    Abstract:
    Persons with alveolar hypoventilation have abnormal daytime arterial blood gases and abnormal responses to hypercapnia and hypoxia in the absence of any identifiable lung or neuromuscular disease. The underlying defect in the control of breathing has not, however, been confirmed. We studied a 6-yr-old girl who was admitted in respiratory failure after a long history of disturbed breathing awake and asleep, which had been diagnosed as primary alveolar hypoventilation, (PaCO2 = 120). After several days of endotracheal intubation and assisted ventilation, her condition improved and she was extubated. At this time her ventilatory response to hypoxia was absent (VE/SaO2:0.1 l/min/% at a CO2 of 45) and there was a right-shifted response to hypercapnia (VE/PaCO2:2.6 l/min/mmHg). As obstructive sleep apnea was suspected, nocturnal nasal continuous positive airway pressure (CPAP) was tried; however, it was not effective in maintaining arterial oxyhemoglobin saturation. Definite central apneas were observed during sleep both with and without nasal CPAP, and there was an absence of snoring. Her condition deteriorated, and there was a progressive increase in her awake arterial CO2 levels for a period of 4 wk. The IPPV with 5 cm H2O of PEEP was administered through a nose mask during sleep and this maintained both oxygen saturation and transcutaneous CO2 levels within the normal range. After 10 days of nocturnal assisted ventilation, the hypercapnic response returned to the normal position (VE/CO2:2.1 l/min/mmHg).(ABSTRACT TRUNCATED AT 250 WORDS)
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