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OBJECTIVE: We aimed to investigate (1) to which extent headache diary variables correlate among each other; (2) to which extent they correlate with generic measures of quality of life and disability; (3) and whether correlations vary over time. METHODS: We performed a secondary analysis of data from 301 patients suffering from migraine and 270 patients suffering from tension-type headache collected in 2 randomized trials of acupuncture. We calculated product-moment correlation coefficients. RESULTS: Correlations between diary parameters varied to a great extent. Attack frequency, a measure recommended by the International Headache Society as a primary outcome measure for migraine prophylaxis trials, correlated only moderately with other diary outcomes. At baseline the parameters measured in the headache diary correlated only weakly with the generic outcome measures. After 12 weeks these correlations had increased considerably. CONCLUSION: Our findings suggest that participants in headache trials "learn" to fill in diaries and generic instruments in a more consistent manner during the course of the study.

In an open prospective study with matched historical controls we aimed to evaluate whether a polysaccharide fraction isolated from the herb Echinacea purpurea could counteract the undesired effects of chemotherapy. Fifteen patients with advanced gastric cancer undergoing palliative chemotherapy with etoposide, leucovorin and 5-fluorouracil (ELF) received for 10 days (beginning 3 days before chemotherapy) daily i.v. injections of 2 mg of a polysaccharide fraction isolated from Echinacea purpurea herb cell cultures (EPS-EPO VIIa). The median number of leukocytes 14-16 days after chemotherapy was 3630/microL (range 1470-5770) in the patients receiving EPS-EPO VIIa compared with 2370/microL (870-3950) in the patients of the historical control group (p = 0.015). EPS-EPO VIIa had no clinically relevant effects on phagocytic activity of granulocytes or on lymphocyte subpopulations. Sixty-eight adverse events including two deaths were observed, most likely due to chemotherapy and the general condition of the patients. However, an association with the test intervention cannot be ruled out completely. The results of this pilot study suggest that EPS-EPO VIIa might be effective in reducing chemotherapy-induced leukopenia. The efficacy and safety should be investigated in further studies.

The aims of this study were to examine whether there is a difference in symptoms between patients with amalgam fillings and patients without such restorations, to investigate the relationship between particular symptoms and the number of amalgam filled surfaces, and the differences in symptoms between patients with and without removal of amalgam fillings. Data from 6744 consecutive patients in 34 dental offices located throughout Germany were documented. Patients completed a questionnaire answering 48 items, and the current oral findings in the patients were registered. The analysis was restricted to 4,787 patients aged 21 to 60 yr because of special dental conditions in children and elderly persons. The study did not show any significant correlation between the intensity of complaints or particular groups of symptoms and the number of amalgam-filled surfaces. A higher number of symptoms as well as a higher intensity of symptoms were found in patients before amalgam removal compared to the remaining patients. The question remains open whether or not there may be a certain kind of relationship between the complaints and amalgam fillings in individual patients.

Bazarganipour F, Lamyian M, Heshmat R, Abadi MA, Taghavi A. A randomized clinical trial of the efficacy of applying a simple acupressure protocol to the Taichong point in relieving dysmenorrhea. Int J Gynaecol Obstet 2010; 111: 105–9.

Kashanian M, Shahali S. Effects of acupressure at the Sanyinjiao point (SP6) on the process of active phase of labor in nulliparas women. J Matern Fetal Neonatal Med 2010; 23: 638–1.