Sleep Apnea and interventions

Pieyre (1996) wrote that the history of snoring may be divided into three major phases, which he designated as prehistoric, awareness, and modern. During the first phase which lasted until around 1900, snoring was ignored as a medical condition. During the second phase which lasted until around 1950, health practitioners became aware that snoring reflected a health problem; however, the problem was ill-defined and the development of therapies tended to be unfocused. During the modern phase, the sleep apnea syndrome has been identified, and several effective therapies have been developed, although not all of these therapies are equally effective for all patients (Pieyre, 1996).

CAPA was introduced as a therapy for sleep apnea in 1981. Over time, nocturnal ventilation through the application of nasal continuous positive airway pressure (CPAP) has been established as both the safest and the most efficient non-surgical treatment for obstructive sleep apnea syndrome (OSAS). Hollandt, Kuhl, and Siegert (1997a) concluded from research findings, however, that a large proportion of patients with moderate to severe OSAS cannot be treated efficiently with CPAP because of the low level of long-term acceptab

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suggestive of a deficit of the diversion function, while when more RA occurred ,it was indicative of additional respiratory events, such as pharyngeal obstructions and hyperventilations which were not identifiable as apnea or hypopnea (Fietze, et al., 1995). Weaver, et al. (1997) examined the relationship between night-to-night variability and nightly duration of CPAP therapy over the first nine weeks of treatment and to determine when patients begin to establish a non-adherent pattern of use. The study found that approximately half the subjects were consistent users of CPAP, applying it > 90 percent of the nights for an average of 6.22 +/- 1.21 hours per night, while the other half comprised intermittent users who had a wide range of daily use averaging 3.45 +/- 1.94 hours per night on the nights CPAP was used. The researchers also found that the percentage of days skipped intermittent users was significantly correlated with decreased nightly duration (rho = -0.73, p < 0.0001). A further findings was that the two groups differed significantly in the nightly duration of CPAP use by the fourth day of treatment (p = 0.001). Intermittent users continued to report significantly greater frequencies of OASA symptoms (Weaver, et al.,
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Some common words found in the essay are:
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Approximate Word count = 2063
Approximate Pages = 8 (250 words per page)