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 51,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

This study describes the test-retest reliability of the 6-min walk test (6MWT) and evaluates the possibility to perform the test three times on the same day in patients with postpolio syndrome (PPS). This was an intrarater test-retest reliability study. A total of 23 PPS patients (nine men, 14 women), mean age 67 years, participated in the study. The patients performed three 6MWT with a 30-min rest between each test. Borg scales were used to evaluate leg tiredness, dyspnea, and exertion before and after each test. The influence of walking aids on the outcome of the 6MWT was also evaluated. All patients (n=23) were able to complete the three 6MWT. The individual distances varied from 140-395 m. The relative reliability was high. The intraclass correlation coefficient (ICC2.1) (95% confidence interval) values ranged from 0.98 (0.95-0.99) (T1-T2) to 0.99 (0.97-0.99) (T2-T3) for the total number of participants. The SEM ranged from 12 to 9 m and the smallest real difference (SRD) ranged from 33 to 26 m for the total number of participants. Data indicate that the 6MWT is reliable for patients with PPS. For the high test-retest reliability, one test may be required. However, as a small learning effect was observed, the best result of two tests can be recommended when evaluating walking ability for research purposes.
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PMID:Test-retest reliability of the 6-min walk test in patients with postpolio syndrome. 2364 Mar 26

Throughout the 30 years of postpolio syndrome (PPS) research, there have been many puzzling anomalies in the data and not enough information to make sense of them. It is therefore welcome that Winberg et al have examined physical activity in relation to life satisfaction, sex and age. They hypothesized that activity would decrease with age and found the opposite. This result is not so surprising as Ostlund et al found that vitality was associated with older age and that younger age was associated with more pain, increasing physical fatigue, decreasing sleep quality and reducing activity. This commentary will examine past postpolio research with unexpected results in order to describe a subgroup of patients who may be more susceptible to overusing muscles and have particular exercise and activity needs.
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PMID:Does a subgroup of postpolio patients need different management? 2589 45

Poliomyelitis was pandemic in the United States and much of the world in the first half of the 20th century. The uses of polio vaccines have essentially eradicated the disease in the United States today. But poliovirus infection survivors who had experienced a paralytic attack can see a return of some symptoms, which is a syndrome called postpolio syndrome (PPS). The anesthetist must preoperatively assess reported amounts of patient physical activity and patient age, which can indicate the amount of muscle degeneration that may have already occurred. Patients with PPS demonstrate altered respiratory function, cold intolerance, a risk for aspiration, and experience chronic pain in muscles and joints. Patients with PPS display an increased sensitivity to some anesthetic agents such as long-acting narcotics and potent inhaled anesthetic gases with a high blood-gas partition coefficient, along with report of increased fatigue, weakness, and somnolence after anesthesia. Anesthesia care must center on the preservation of muscle function postoperatively. The anesthetist should consider the use of short-acting anesthetic agents, increased doses of analgesics, the use of warming devices, and careful attention to patient positioning. Prolonged postoperative care and hospital admission after surgery are possible.
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PMID:Anesthetic implications of postpolio syndrome: new concerns for an old disease. 2605 Feb 76

Postpolio syndrome (PPS) refers to a group of conditions that are present in patients, years after recovery from initial acute paralytic poliomyelitis. About 15%-80% of 20 million polio survivors worldwide will experience exacerbation of symptoms which typically appear 15-30 years after the resolution of initial poliomyelitis. Symptoms include new muscle weakness, fatigue, myalgia, joint pain, dysphagia, and difficulty breathing. Other reported symptoms include cold intolerance, sleep disorder, dysphonia, loss of stamina, musculoskeletal deformities, cardiovascular disorders, psychosocial problems, and restless legs syndrome. These symptoms are attributed to the superimposed neuronal loss of aging with inflammatory mechanisms, but without any convincing evidence of viral reactivation. Risk factors include female gender, respiratory symptoms, normal aging, permanent disability caused by motor neuron damage, muscle overuse and disuse, aging, and immunologic mechanisms. Hypothyroidism-induced myopathy and fibromyalgia are a differential diagnosis for PPS, and exclusion diagnosis is required as confirmatory criteria for PPS. The symptoms of PPS presented determine the course of management.
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PMID:Postpolio Syndrome: A Review of Lived Experiences of Patients. 3139 74


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