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BACKGROUND: Current classification of chronic urticaria is primarily based on clinical presentation of skin manifestations. Hence, therapeutic treatment is primarily aimed locally for immediate symptom relief. We reason that limiting therapeutic strategies to the skin pathology might be inadequate since cellular activation and inflammation might be triggered remotely.
METHODS: In this series two patients had exhausted all current treatments for recalcitrant urticaria but remained symptomatic. The first case was 26-year-old Caucasian female and the second was 63-year-old African American female. Both cases had frequent breakthrough urticaria requiring frequent pulsating courses of prednisone to control urticaria despite treatment with omalizumab and antihistamines. When inflammatory airway disease was discovered and managed with inhaled corticosteroid, urticaria is controlled much faster without the need of high dose immunosuppression over several years of observation. Coincidentally, autoimmune thyroiditis and anti-immunogobulin-E immunoglobulin-G titers dropped significantly in one case with sustained inhaled corticosteroid therapy.
CONCLUSIONS: We suggest a novel approach of controlling remote epithelial site inflammation in these two cases that resulted in sustained-control of urticaria symptoms without the need for systemic corticosteroids or immunosuppressant. The changes of autoimmune antibodies might be the consequences of tolerance breaking from chronic lower airway inflammation as observed in other epithelial inflammatory condition like in celiac disease and rheumatoid arthritis.

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BACKGROUND: Immune-related adverse events are occasionally reported in Sintilimab treatment. This study reports a forward and reverse swelling case along the vein after infusion of Sintilimab. At present, swelling along the vascular direction during peripheral infusion are limitedly reported at home and abroad, especially when choosing a vein with thick, elastic, and good blood return.
METHODS: A 56-year-old male who suffered from esophageal cancer and liver cancer and received albumin-bound paclitaxel and nedaplatin chemotherapy in combination with Sintilimab immunotherapy appeared swelling along the vessel after infusion of Sintilimab. The patient was punctured 3 times.
METHODS: Sintilimab-induced vascular edema may be a side effect resulted from a combination of variables such as relatively poor vascular function of the patient, chemical extravasation, allergic skin reactions, venous valves, vascular intima, and diameter stenosis. Sintilimab rarely causes vascular edema only when drug allergic reaction is the underlying factor. As only a few cases of vascular edema caused by Sintilimab have been reported, causes to such a drug-induced vascular edema remained unclear.
METHODS: The swelling was controlled by an intravenous specialist nurse according to delayed extravasation treatment and the doctor anti-allergy treatment, but the uncertainty of repeated puncture and symptom diagnosis caused pain and anxiety to the patient and his family.
RESULTS: The symptom of swelling was gradually relieved after the anti-allergic treatment. The patient completed the following drug infusion without discomfort after the third puncture. When the patient was discharged the next day, swelling in his both hands disappeared, and the patient had no anxiety or discomfort.
CONCLUSIONS: The side effects of immunotherapy may accumulate over time. Early identification and appropriate nursing management are the keys to minimizing patients\' pain and anxiety. To effectively treat symptoms, nurses could benefit from quickly identifying the source of swelling.

Urticarial vasculitis (UV) is a small vessel leucocytoclastic vasculitis, which often needs to be distinguished from urticaria and other dermatoses. Treatment of UV in children is challenging because of the unsatisfying efficacy of antihistamines and the safety concern of long-term systemic corticosteroids or immunosuppressive agents. As a classic biological agent widely used in chronic spontaneous urticaria, omalizumab might also be a potential therapeutic option in the treatment of children with UV. This report presented four children, aged 4-6 years, with glucocorticoid-unresponsive UV successfully treated by omalizumab, thus providing evidence that omalizumab can be used to treat UV with good efficacy and tolerability in the paediatric population.

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Chronic urticaria (CU) is defined by the presence of itchy wheals, sometimes accompanied by angioedema, lasting for at least 6 weeks. CU is treated with second-generation antihistamines, increased up to four times the normal doses for second-line treatment. Omalizumab (a monoclonal antibody anti-IgE) may be recommended as third-line therapy in children aged over 12 years. Few reports have suggested that glucose homeostasis is impaired in some type 2 diabetic patients receiving omalizumab, and even in non-diabetic patients, fasting blood glucose and HOMA-IR values appeared to be significantly increased. We report the case of a 13-year-old girl with diabetes mellitus type 1 and chronic spontaneous urticaria (CSU) refractory to standard recommended therapy that we treated with omalizumab at a standard recommended dose of 300 mg every 4 weeks. We observed a rapid and complete remission of CSU after treatment with this humanized monoclonal antibody without detrimental effects on the patient\'s glucose control especially in terms of HbA1c (glycated hemoglobin), time in glycemic range (TIR), and daily insulin needs.