Various chronic inflammatory airway diseases can be treated with low-dose, long-term (LDLT) macrolide therapy. LDLT macrolides can be one of the therapeutic options for chronic rhinosinusitis (CRS) due to their immunomodulatory and anti-inflammatory actions. Currently, various immunomodulatory mechanisms of the LDLT macrolide treatment have been reported, as well as their antimicrobial properties. Several mechanisms have already been identified in CRS, including reduced cytokines such as interleukin (IL)-8, IL-6, IL-1β, tumor necrosis factor-α, transforming growth factor-β, inhibition of neutrophil recruitment, decreased mucus secretion, and increased mucociliary transport. Although some evidence of effectiveness for CRS has been published, the efficacy of this therapy has been inconsistent across clinical studies. LDLT macrolides are generally believed to act on the non-type 2 inflammatory endotype of CRS. However, the effectiveness of LDLT macrolide treatment in CRS is still controversial. Here, we reviewed the immunological mechanisms related to CRS in LDLT macrolide therapy and the treatment effects according to the clinical situation of CRS.
Purpose: Despite the promising palliative effects of radiation treatment, few reports have studied the role of palliative tumor surgery (PTS) in patients with unresectable head and neck cancer (HNC). Thus, we aimed to present the outcomes of PTS in HNC, and suggest a possible surgical indication for PTS.Methods: We retrospectively reviewed the medical records of 18 patients who underwent PTS for HNC between 2002 and 2017. PTS was defined as surgical debulking of tumor or surgery of loco-regionaltumors in patients with distant metastasis. As functional outcomes, we evaluated changes in pain, diet, respiration, and wound care before and after PTS.Results: Squamous cell carcinoma was the common cancer type (72.2%), followed by salivary gland cancers and others. The median overall survival time was 17 months (95% confidence interval, 7.3 to 26.7). PTS significantly reduced the pain score (P= 0.013), and improved cancer-related wounds (P=0.003 in wound infection). Oral swallowing and respiration status did not change after PTS. The recurrenttumor atthe operation bed was clinically detected at post-operative 1 to 2 months with intact skin (without wound problems). Of note, further chemotherapy or other additional cancer treatments was possible in 66.7% of patients with PTS (P=0.002).Conclusion: PTS could provide a meaningful benefitto selected patients with incurable HNC, in terms of pain control and cancer wound management. Thus, PTS is a considerable option for selected HNC patients, based on the accurate evaluation oftumor extent along with multi-disciplinary consultation as well as patient counseling.
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