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BACKGROUND: Cold weather increases respiratory symptoms and provokes exacerbations of asthma, but there are no previous studies on its role in the aetiology of asthma.
OBJECTIVE: We tested the hypothesis that a cold winter increases the risk of developing asthma during the following 1 to 2 years.
METHODS: We conducted a case-crossover study of 315 newly diagnosed cases of asthma from the population-based Espoo Cohort Study from birth to the age of 27 years. The hazard period constituted 3 winter months preceding the onset of asthma and bidirectional reference periods of 1 year before hazard period and 1 year after onset of asthma. Exposure constituted average ambient temperature during the winter months of December, January and February. The outcome of interest was new doctor-diagnosed asthma. The measure of effect was OR of asthma estimated by conditional logistic regression analysis.
RESULTS: The average winter temperature for the study period from winter 1983 to 2010 was -4.4°C (range -10.7 to 0.4). A 1°C decrease in the average winter temperature predicted a 7% increase in the risk of new asthma (OR=1.07, 95% CI 1.02 to 1.13). A cold winter with an average temperature below the climate normal value (-4.5°C; period 1981-2010) increased the risk of new asthma by 41% during the following year (OR: 1.41; 95% CI 1.04 to 1.90).
CONCLUSIONS: This case-crossover study provides original evidence that a cold winter with below normal average temperatures increases the risk of developing new asthma during the following 1 to 2 years.

UNASSIGNED: Visceral leishmaniasis and hemophagocytic lymphohistiocytosis share many features in common and may coincide in the same patient. Timely diagnosis and management of visceral leishmaniasis could save patients from unnecessary toxic treatment.
UNASSIGNED: Visceral leishmaniasis and hemophagocytic lymphohistiocytosis share many clinical features in common and may coexist in the same patient. Visceral leishmaniasis should be promptly ruled out in patients coming from endemic areas before starting immunosuppressive therapy for hemophagocytic lymphohistiocytosis. The mainstay treatment, in this case, is anti-leishmania medications preferably liposomal amphotericin-B.

Hereditary angioedema (HAE) was classically thought to be related to a deficiency in the C1 esterase inhibitor (C1-INH). However, HAE with a normal C1 esterase inhibitor (HAE nC1-INH) is a rare disease that has been recently characterized. In this case, we describe a woman with a 21-year history of angioedema who, in the last two years, has experienced severe exacerbations that led to the formal diagnosis of HAE nC1-INH. The patient has been treated with current HAE long-term prophylaxis (LTP) and on-demand therapies but is still experiencing severe, frequent attacks. Our case describes the timeline of this patient\'s presentation and provides valuable insight into the presentation and management of HAE nC1-INH.

We report long-term follow-up of a patient who underwent a tailored laparoscopic procedure for symptomatic cholelithiasis, massive splenomegaly, and a planned pregnancy. There were no complications, and the patient remained symptom-free at the 5-year follow-up. We supplemented our case report with national surgical data demonstrating the safety of laparoscopic splenectomy.

Hydrocortisone is widely used for the anti-inflammatory and immunosuppressive effects and physiological substitute of endogenous glucocorticoid. Allergic reaction to hydrocortisone is infrequent, but once it occurs, it can affect the disease profile or survival of patients. The present study reported a case of hydrocortisone-induced blood pressure reduction in a patient with anterior pituitary hypofunction due to allergic reaction. The patient was admitted with burns. Anterior pituitary hypofunction was diagnosed during hospitalisation owing to persistent hyponatremia. During hydrocortisone intravenous administration, blood pressure was decreased to 70/40 mmHg, accompanied with flushed face and vasodilation. According to World Health Organization Uppsala Monitoring Centre (WHO-UMC) causality assessment and Naranjo scale, there was a probable relationship of reduced blood pressure with hydrocortisone. To the best of our knowledge, we have presented the first case of an anaphylaxis reaction of blood pressure reduction following hydrocortisone administration in the anterior pituitary hypofunction patient.

Physical activity plays an important role in our health. Yet, the practice of physical exercise or the consequent sweating itself can be a causal factor of skin pathology. Cholinergic urticaria is an entity characterized by itchy papules associated with heat and/or sweat, with exercise being the main triggering factor. While urticaria can be common, cholinergic urticaria is a rare entity in primary care and is usually overlooked. Promoting medical literacy and public awareness should be incorporated as a tool to provide support and management for these cases, which is emphasized in this case presentation. This case report presents a typical case, and discusses the added value of new technologies, like smartphones, in the diagnosis of cholinergic urticaria, its symptomatic treatment with antihistamines, and its follow-up. Patient empowerment and reassurance are the key aspects of therapeutic success and the role of the family doctor is crucial. The physician in this report reassured the patient, by properly explaining her condition, possible limitations, and when to seek medical attention, which resulted in a considerable improvement in her quality of life.

Steroid 5α-reductase type 3 congenital disorder of glycosylation (SRD5A3-CDG) is an extremely rare congenital disease. Common manifestations are developmental delay, intellectual disability, ophthalmological abnormalities, cerebellar abnormalities, ataxia, and hypotonia. Here, we discuss a seven-year-old boy with SRD5A3-CDG (homozygous variant c.57G>A [p.Trp19Ter]), featuring the unprecedented finding of telangiectasia.

BACKGROUND: Antenatal inflammation, usually associated with chorioamnionitis, is a major cause of premature birth. As inflammation could depress respiratory drive, we have examined the effect of clinical chorioamnionitis (CCA) on spontaneous breathing in premature infants at birth.
METHODS: Infants with CCA born <30 weeks\' gestation were matched with control infants based on gestational age (±6 days), birth weight (±300 g), antenatal corticosteroids, sex and general anaesthesia. The primary outcome was breathing effort, assessed as minute volume (MV) of spontaneous breathing. We also measured tidal volume (Vt), respiratory rate (RR) and apnoea in the first 5 min and additional physiological parameters in the first 10 min after start of respiratory support.
RESULTS: Ninety-two infants were included (n=46 CCA infants vs n=46 controls; median (IQR) gestational age 26+4 (25+0-27+6) vs 26+6 (25+1-28+3) weeks). MV and Vt were significantly lower (MV: 43 (17-93) vs 70 (31-119) mL/kg/min, p=0.043; Vt: 2.6 (1.9-3.6) vs 2.9 (2.2-4.8) mL/kg/breath, p=0.046), whereas RR was similar in CCA infants compared with controls. Incidence of apnoea was higher (5 (2-6) vs 2 (1-4), p=0.002), and total duration of apnoea was longer (90 (21-139) vs 35 (12-98) s, p=0.025) in CCA infants. CCA infants took significantly longer to reach an oxygen saturation >80% (3:37 (2:10-4:29) vs 2:25 (1:06-3:52) min, p=0.016) and had a lower oxygen saturation at 5 min (77 (66-92) vs 91 (68-94) %, p=0.028), despite receiving more oxygen (62 (48-76) vs 54 (43-73) %, p=0.036).
CONCLUSIONS: CCA is associated with reduced breathing effort and oxygenation in premature infants at birth.