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Rev. Assoc. Med. Bras. (1992) ; 53(6): 492-496, 2007. tab
Article in English | LILACS | ID: lil-470424

ABSTRACT

OBJECTIVES: Subjective sleep complaints have been reported in up to 80 percent of patients with end stage renal disease (ESRD). In these patients, sleep disturbances manifesting as insomnia, sleep apnea syndrome, restless leg syndrome (RLS), periodic limb movement disorder and excessive daytime sleepiness (EDS) have been frequently reported. Moreover, studies about the role of dialysis shift on sleep abnormalities, morbidity and mortality are still scarce. The aim of this study was to investigate the influence of dialysis shift on the quality of sleep and sleep abnormalities in patients with ESRD. MÉTHODS: We studied one hundred consecutive patients from a dialysis center. Quality of sleep was assessed by the Pittsburgh Sleep Quality Index and subjective EDS by the Epworth Sleepiness Scale. Restless leg syndrome was diagnosed using the four minimum criteria defined by the International Restless Legs Syndrome Study Group. Clinical and laboratory parameters were obtained by interview and chart review. Adequacy of dialysis was evaluated by the Kt/V index. RESULTS: Poor quality sleep (PSQI>6) was found in 75 percent of cases and was associated with RLS (p=0.004) and with snoring (p=0.016). EDS (ESS>10) was present in 28 percent of cases. Patients with EDS (1.33±0.29) had lower values of the Kt/v index (P=0.01) than those without EDS (1.52±0.32). RLS was present in 48 percent of cases. Irrespective of dialysis shift, poor quality sleep, EDS and RLS were not different among patients. CONCLUSION: Poor quality sleep, EDS and RLS were common and not related to dialysis shift.


OBJETIVOS: Alterações do sono têm sido relatadas em até 80 por cento dos pacientes com Insuficiência renal crônica dialítica (IRCD). Insônia, síndrome da apnéia do sono, síndrome das pernas inquietas (SPI), movimentos periódicos de extremidades e sonolência excessiva diurna (SED) têm sido descritos. A influência que o turno da diálise exerce sobre as alterações do sono e sobre a morbidade e mortalidade ainda é desconhecida. O objetivo deste estudo foi avaliar a influência do turno da diálise sobre as anormalidades do sono em pacientes com IRCD. MÉTODOS: Estudamos 100 pacientes consecutivos provenientes de um centro de diálise. A qualidade do sono foi avaliada através do Índice de Qualidade do Sono de Pittsburgh (IQSP) e a SED através da Escala de sonolência de Epworth (ESE). A SPI foi avaliada utilizando os quatro critérios mínimos definidos internacionalmente pela International Restless Legs Syndrome Study Group. Os parâmetros clínicos e laboratoriais foram obtidos através de entrevistas e revisão de prontuários. A qualidade da diálise foi avaliada pelo índice Kt/V. RESULTADOS: Má qualidade do sono (IQSP>6), encontrada em 75 por cento dos casos, associou-se à SPI (P= 0.004) e à presença de ronco (P= 0.016). Pacientes com SED (ESE>10) (1.33±0.29) apresentaram valores do índice Kt/v menores (P=0.01) do que aqueles sem SED (1.52±0.32). Observou-se a presença de SPI em 48 por cento dos pacientes. Má qualidade do sono, SED e SPI não diferiram entre os pacientes agrupados quanto ao turno de diálise. CONCLUSÃO: Má qualidade do sono, SED e SPI são freqüentes e não se relacionam com o turno da diálise.


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Circadian Rhythm , Kidney Failure, Chronic/therapy , Renal Dialysis , Sleep Wake Disorders/diagnosis , Sleep/physiology , Epidemiologic Methods , Kidney Failure, Chronic/complications , Quality of Life , Renal Dialysis/adverse effects , Restless Legs Syndrome/diagnosis , Restless Legs Syndrome/etiology , Sex Factors , Sleep Apnea Syndromes/diagnosis , Sleep Apnea Syndromes/etiology , Sleep Wake Disorders/etiology , Sleep Initiation and Maintenance Disorders/diagnosis , Sleep Initiation and Maintenance Disorders/etiology , Snoring/physiopathology , Time Factors
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