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Background:Cronkhite Canada syndrome(CCS)is a rare non hereditary disease of unknown etiology,there are still challenges in its diagnosis and treatment.Aims:To explore the clinical characteristics and treatment responses of CCS in Chinese population,and to improve the understanding of its diagnosis and treatment.Method:Retrospective analysis and summary of clinical data of CCS patients at Peking University Third Hospital from 2012 to 2022.Results:From the clinical data of a total of 9 cases,the patients'average age was 63.89 years,and the male to female ratio was 1.25.all patients presented with multiple gastrointestinal polyps,non-specific gastrointestinal symptoms and at least one ectodermal manifestation.Laboratory tests for fecal occult blood were positive,and iron deficiency anemia and hypoalbuminemia were common.Histological manifestations were hyperplastic polyps and adenomatous polyps,with commonly found eosinophil infiltration.Patients'conditions could be complicated with severe osteoporosis and fractures,intestinal bacterial overgrowth,asthma,membranous nephropathy,and nodular goiter.Most patients obtained positive currative effect with glucocorticoids therapy,but recurrence of the disease may occur during or after hormone reduction.Azathioprine treatment was attempted in one patient,but the effect was poor.Conclusions:The etiology and pathogenesis of CCS are unclear,and glucocorticoids therapy is still the main treatment method.However,there are still challenges for patients with glucocorticoids resistance and contraindications to glucocorticoids therapy.
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Background: The risk of opportunistic infection in ulcerative colitis (UC) is significantly higher than that in healthy subjects, and has adverse impact on clinical outcome. Aims: To analyze the prevalence of opportunistic intestinal infection in UC patients and explore the risk factors of UC complicated with opportunistic infection. Methods: Clinical data of patients with UC hospitalized in Peking University Third Hospital from January 2012 to December 2020 were collected retrospectively. Information on demography, clinical characteristics, laboratory, endoscopic and pathological findings, as well as the medication histories were recorded; the factors associated with opportunistic intestinal infection were analyzed using univariate and multivariate analyses. Results: A total of 275 UC patients were included, with an opportunistic intestinal infection rate of 26.2%; among which, rates of cytomegalovirus (CMV), Epstein ‑ Barr virus (EBV), fungi, Clostridium difficile, amoeba, and multiple infection were 13.5%, 14.5%, 5.1%, 1.5%, 1.1%, and 9.1%, respectively. Multivariate Logistic analysis demonstrated that severe disease activity (OR=6.517, 95% CI: 1.487‑28.552, P=0.013) and albumin <30 g/L (OR=3.895, 95% CI: 1.590 ‑ 9.544, P=0.003) were independent risk factors for CMV infection. The independent risk factors for EBV infection included severe disease activity (OR=11.260, 95% CI: 2.249‑56.382, P=0.003), albumin <30 g/L (OR=2.548, 95% CI: 1.096‑5.927, P=0.030) and C‑reactive protein (CRP) elevation (OR=1.046, 95% CI: 1.007‑1.086, P=0.019). While for intestinal fungal infection, the risk in patients with chronic relapsing type UC was lower (OR=0.278, 95% CI: 0.087‑0.886, P=0.030). Intestinal multiple infection was mainly composed of viral infection, and the independent risk factors were similar to those of CMV and EBV infection. Conclusions: Most of the opportunistic intestinal infection in UC patients is viral infection. Disease activity, inflammatory response and reduced albumin are risk factors for intestinal viral infection in UC patients, while the risk of fungal infection is only related to clinical subtyping.
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The incidence of inflammatory bowel disease (IBD) is increasing year by year, yet lacking specific treatment, which seriously affects patients' health and quality of life. The pathogenesis of IBD has not been fully clarified, the psycho-neuro-endocrine-immune regulation through gut-brain axis may play an important role in the pathogenesis of IBD. Studies have shown that IBD patient has an increased risk of depression. More than 20% of IBD patients have depression, the incidence is about 2-4 times that of general population. Antidepressant therapy has good efficacy in some IBD patients. The possible mechanism includes affecting the gut-brain axis, inhibiting inflammation, improving mood, etc. However, there are few relevant studies, and the value of antidepressant therapy in the treatment of IBD needs to be further confirmed by large-sample randomized controlled studies. This article reviewed the application of antidepressant therapy in IBD.
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Gastroesophageal reflux disease (GERD) is a common gastrointestinal disease and its incidence is increased in recent years in China.As the main treatment of GERD, proton pump inhibitors (PPI) has stable effects and high safety in long-term application.However, around 30% GERD patients had poor symptom control under standard PPI treatment, even developed into refractory GERD, seriously affecting the quality of life.Therefore, the treatment of GERD is a difficult clinical problem and multiple therapeutic modalities have emerged, including drug therapy, endoscopic treatment and surgery.In this paper, we reviewed the advances in study on treatment of refractory GERD.