4.3 Article

Hemodynamic changes during conventional and daylight photodynamic therapy of actinic keratoses - a randomized controlled trial

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JOURNAL OF DERMATOLOGICAL TREATMENT
卷 33, 期 7, 页码 3022-3027

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TAYLOR & FRANCIS LTD
DOI: 10.1080/09546634.2022.2097160

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Photodynamic therapy; blood pressure; hypertension; pain

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This study observed the effects of conventional photodynamic therapy (c-PDT) and daylight photodynamic therapy (dl-PDT) on different hemodynamic parameters. The results showed that c-PDT caused more pain and hypertension, while dl-PDT was almost painless and did not lead to any changes in hemodynamic parameters. Both treatments had a similar lesion response rate after one month. Therefore, dl-PDT may be a more favorable treatment option.
Background Photodynamic therapy (PDT) is an effective treatment for actinic keratosis (AK). However, pain and hypertension are important side effects of conventional PDT (c-PDT). Several studies have demonstrated that daylight PDT (dl-PDT) is less painful while being as effective as c-PDT. Objective To observe the effect of c-PDT and dl-PDT on different hemodynamic parameters (systolic blood pressure and diastolic blood pressure, pulse rate, and peripheral oxygen saturation). Methods Fifty patients with AK on the head were enrolled into this prospective, randomized, controlled study and treated with c-PDT or dl-PDT in a 1:1 ratio. Hemodynamic parameters were measured at four different time points during treatment. Pain was quantified using a visual analog scale. AK was counted before treatment and after one month. Results C-PDT is associated with significantly more pain, a significant increase in blood pressure and a higher rate of patients with grade 3 hypertension. Whereas dl-PDT is almost painless and does not lead to any changes in hemodynamic parameters. For both treatments, a similar lesion response rate was found after one month. Conclusions dl-PDT has a better tolerability while being as effective as c-PDT and therefore may be the more favorable treatment option in certain patient groups.

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