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Biomedical subjects

M P Sheehan

Publications and source records attributed to M P Sheehan.

10 recordsLinked to original sources
PubMed1992

Efficacy of traditional Chinese herbal therapy in adult atopic dermatitis.

There has been considerable interest in traditional Chinese herbal therapy (TCHT) as a new treatment for atopic dermatitis. To establish the efficacy and safety of this treatment, a daily decoction of a formula containing ten herbs that has been found to be beneficial in open studies was tested in a double-blind placebo-controlled study. 40 adult patients with longstanding, refractory, widespread, atopic dermatitis were randomised into two groups to receive 2 months' treatment of either the active formulation of herbs (TCHT) or placebo herbs, followed by a crossover to the other treatment after a 4-week washout period. The main outcome measures were extent and severity of erythema and surface damage as judged by standardised body scores. The patients' own assessments of the overall response to treatment were also sought. The geometric mean score for erythema at the end of active treatment was 12.6 (95% confidence interval [CI] 5.9 to 22.0) and at the end of the placebo phase was 113 (65 to 180). The geometric mean score for surface damage was 11.3 (5.8 to 21.8) and 111.0 (68 to 182), respectively. The 95% CI for the mean geometric ratio for the two values with active treatment was 0.04 to 0.22 for erythema (p less than 0.0005) and 0.04 to 0.27 for surface damage (p less than 0.0005). Of the 31 patients who completed the study and expressed a preference, 20 preferred that phase of the trial in which they received TCHT whereas 4 patients preferred placebo (p less than 0.02). There was a subjective improvement in itching (p less than 0.001) and sleep (p less than 0.078) during the TCHT treatment phase. No side-effects were reported by the patients although many commented on the unpalatability of the decoction. TCHT seems to benefit patients with atopic dermatitis. Palatability of the treatment needs to be improved and its safety assured.

Administration, Oral↗
PubMed1992

A controlled trial of traditional Chinese medicinal plants in widespread non-exudative atopic eczema.

Severe and widespread atopic eczema often fails to respond adequately to currently available therapies. Following the observation of substantial benefit in patients receiving oral treatment with daily decoctions of traditional Chinese medicinal plants, we undertook a placebo-controlled double-blind trial of a specific prescription formulated for widespread non-exudative atopic eczema. Forty-seven children were given active treatment and placebo in random order, each for 8 weeks, with an intervening 4-week wash-out period. Thirty-seven children tolerated the treatment and completed the study. Response to active treatment was superior to response to placebo, and was clinically valuable. There was no evidence of haematological, renal or hepatic toxicity. These findings anticipate a wider therapeutic potential for traditional Chinese medicinal plants in this disease, and other skin diseases.

Adolescent↗
PubMed1991

Topical nitrogen mustard: an effective treatment for cutaneous Langerhans cell histiocytosis.

In 16 children with multisystem Langerhans cell histiocytosis (mean age 22 months, range 5 to 36 months) severe symptomatic skin involvement was treated with topical nitrogen mustard (mechlorethamine hydrochloride). In each case, rapid clinical improvement occurred within 10 days; subsequent complete healing was observed in 14 children, and partial healing in 2 others in whom treatment was a component of palliative care. Mean duration of treatment was 3.5 months (range 2 to 6 months). Systemic treatment was averted in 11 patients because response to topical therapy was so favorable, but bone marrow or respiratory failure led to a fatal outcome in 5 other patients. Adverse effects were minimal. One patient developed contact allergy to topical nitrogen mustard after 2 years of intermittent therapy, but was successfully desensitized and was then able to continue treatment. We conclude that the topical application of nitrogen mustard is an effective treatment for cutaneous Langerhans cell histiocytosis. Although adverse effects were minimal in the short term, there remains concern about the possibility of long-term cutaneous carcinogenicity.

Administration, Topical↗
PubMed1985

Are strokes predictable with noninvasive methods: a five-year follow-up of 303 unoperated patients.

To determine the correlation between the degree of internal carotid arterial stenosis demonstrated by noninvasive tests and the risk of subsequent stroke, 303 consecutive patients who underwent cerebrovascular evaluation with the Hokanson ultrasonic arteriograph were reviewed retrospectively. Ninety percent of the patients were followed up for 5 years or until the time of death. Stroke occurred in 41 (13.5%) patients. There was a significant correlation (p = 0.04) between the incidence of stroke and severity of disease: greater than or equal to 50% stenosis (19%), 0% to 49% stenosis (11%), and no stenosis (10%). Stroke as a presenting complaint carried the highest risk of subsequent neurologic defect (24%), but the risk in patients without symptoms was appreciable (15%). Life-table analysis indicated that the incidence of stroke was low (less than 3%) in the asymptomatic and nonhemispheric group during the first 2 years after evaluation when the degree of stenosis was less than 50%. Thereafter, the stroke rate increased. Half the deaths were due to myocardial infarction; the risk of death from cardiac causes was doubled in patients with greater than 50% stenosis. It is concluded that the demonstration of hemodynamically significant stenosis does select a group of patients at increased risk for subsequent stroke and myocardial infarction, but lesser degrees of stenosis do not exclude future neurologic events.

Actuarial Analysis↗